Drum-shaped gear coupling: 1: NGCL drum gear coupling: NGCL with brake wheel drum gear coupling at work, the two axis relative angular displacement, internal and external teeth tooth surface periodically for axial sliding, will inevitably lead to tooth wear and power consumption, gear coupling to be a good and sealed. Gear coupling radial size, load capacity, commonly used in low speed shaft drive heavy duty working conditions, high precision and balancing gear coupling can be used to high-speed transmission, such as gas turbine shafting transmission. Drum gear coupling angular compensation is greater than the straight gear coupling, both at home and abroad widely used drum gear coupling the straight gear coupling is out of the product, the selection should be selected . 2.G Ⅰ CLZ - drum gear coupling drum-shaped tooth surface so that the outer tooth contact conditions improved, to avoid the drawbacks of angular displacement straight teeth end edge extrusion, stress concentration, while improving the the tooth surface friction, wear condition, reduce noise, long maintenance cycle. The outer teeth set of teeth end was horn shape, so that the inner assembly and disassembly of the outer teeth is very convenient. 3.WGT middle set of drum gear coupling are just flexible coupling drum gear coupling, gear coupling flange half-linked by the same number of teeth of the ring gear with external teeth shaft and other parts. External gear is divided into both spur and drum gear tooth profile, the so-called drum gear is made spherical outer teeth the spherical center on the axis of the gear backlash than the average gear, drum gear coupling can be allow larger angular displacement (with respect to the straight-tooth coupling), may improve the contact condition of the teeth, to improve the torque transmission capacity and prolong life. The angular displacement state of contact along the tooth width. Radial, axial and angular axis offset compensation capability, has the advantages of compact structure, small turning radius, large carrying capacity, high transmission efficiency, low noise and long maintenance cycle, especially suitable for low-speed heavy working conditions, such as metallurgy, mining, material handling and other industries, but also for petroleum, chemicals, general machinery and other types of machinery and shaft drive. The middle set of drum gear coupling at work, the two axis relative angular displacement, the external tooth tooth surface periodically axial relative sliding, will inevitably lead to tooth wear and power consumption, gear coupling required Working in the well and the sealing state. Gear coupling radial size, load capacity, commonly used in low speed shaft drive heavy duty working conditions, high precision and balancing gear coupling can be used to high-speed transmission, such as gas turbine shafting transmission. Drum gear coupling angular compensation is greater than the straight gear coupling, both at home and abroad widely used drum gear coupling the straight gear coupling is out of the product, the selection should be selected . The 4.GICL - drum gear coupling (JB / T 8845.3-2001): the GICL - drum gear coupling (JB / T 8845.3-2001) belongs to just flexible coupling gear associated axis by the same number of teeth of the ring gear with external teeth flange coupling half parts. External gear is divided into both spur and drum gear tooth profile, the so-called drum gear is made spherical outer teeth the spherical center on the axis of the gear backlash than the average gear, drum gear coupling can be allow larger angular displacement (with respect to the straight-tooth coupling), may improve the contact condition of the teeth, to improve the torque transmission capacity and prolong life. The angular displacement state of contact along the tooth width. Radial, axial and angular axis offset compensation capability, has the advantages of compact structure, small turning radius, large carrying capacity, high transmission efficiency, low noise and long maintenance cycle, especially suitable for low-speed heavy working conditions, such as metallurgy, mining, material handling and other industries, but also for petroleum, chemicals, general machinery and other types of machinery and shaft drive. The 5.G II Cl - drum gear coupling: drum gear coupling angular compensation is greater than the straight gear coupling, at home and abroad are widely used drum gear coupling, straight teeth coupling belong to be eliminated, the selection should be selected. 6: G II CLZ - drum gear coupling: ● G II the CLZ-type - drum gear coupling is by the same number of teeth of the ring gear and flange coupling half with external teeth parts. External gear is divided into both spur and drum gear tooth profile, the so-called drum gear is made spherical outer teeth the spherical center on the axis of the gear backlash than the average gear, drum gear coupling can be allow larger angular displacement (with respect to the straight-tooth coupling), may improve the contact condition of the teeth, to improve the torque transmission capacity and prolong life. The angular displacement state of contact along the tooth width. ● gear coupling at work, the two axis relative angular displacement, internal and external teeth tooth surface periodically relative axial sliding, will inevitably lead to tooth wear and power consumption, gear coupling required and the sealed state. Gear coupling radial size, load capacity, commonly used in low speed shaft drive heavy duty working conditions, high precision and balancing gear coupling can be used to high-speed transmission, such as gas turbine shafting transmission. Drum gear coupling angular compensation is greater than the straight gear coupling, both at home and abroad widely used drum gear coupling the straight gear coupling is out of the product, the selection should be selected . I produced the drum-shaped gear couplings varieties specifications complete, Model: G Ⅰ CL, G Ⅰ CLZ type - drum gear coupling (JB / T 8845.3 - 2001) G Ⅱ CL, G Ⅱ CLZ - drum gear associated axis WGP type of device (JB / T 8845.2 - 2001) GCLD type - drum gear coupling (JB / T 8845.1 - 2001) - with brake disc drum the the tooth coupling (JB/T7001 - 93) WGC-type - vertical mounting drum gear the coupling (JB/T7002 - 93) WGZ - with brake drum-shaped the the tooth coupling (JB/T7003 - 93) the WGT-type - then the middle set of drum gear coupling is (JB/T7004 - 93) TGL - nylon ring gear drum gear coupling (JB/T5514 - 91) WGJ - then the middle axis drum the the tooth coupling (JB/T8821 - 1998) NGCL WG-type - with brake wheel-type (JB/ZQ4644 - 97) NGCLZ - with brake wheel type (JB/ZQ4645 - 97) - with brake wheel type (JB/ZQ4186 - 97) CL-gear coupling device (JB / ZQ 4218-86) CLZ gear coupling (JB / ZQ 4218-86) NL - nylon ring gear drum gear coupling (DB 3202-87) 7: CLZ gear associated axis: drum gear coupling is a rigid-flex couplings, gear coupling is composed of parts of the same number of teeth of the ring gear and flange coupling half with external teeth. External gear is divided into both spur and drum gear tooth profile, the so-called drum gear is made spherical outer teeth the spherical center on the axis of the gear backlash than the average gear, drum gear coupling can be allow larger angular displacement (with respect to the straight-tooth coupling), may improve the contact condition of the teeth, to improve the torque transmission capacity and prolong life. The angular displacement state of contact along the tooth width. Radial, axial and angular axis offset compensation capability, has the advantages of compact structure, small turning radius, large carrying capacity, high transmission efficiency, low noise and long maintenance cycle, especially suitable for low-speed heavy working conditions, such as metallurgy, mining, material handling and other industries, petroleum, chemicals, general machinery and other types of machinery and shaft drive gear coupling at work, the two axis relative angular displacement, internal and external teeth tooth surface periodically for axial sliding, will inevitably lead to tooth wear and power consumption, gear coupling to be a good and sealed. Gear coupling radial size, load capacity, commonly used in low speed shaft drive heavy duty working conditions, high precision and balancing gear coupling can be used to high-speed transmission, such as gas turbine shafting transmission. Drum gear coupling angular compensation is greater than the straight gear coupling, both at home and abroad widely used drum gear coupling the straight gear coupling is out of the product, the selection should be selected . 8: TGL TGL nylon ring gear drum gear coupling - Nylon ring gear drum gear the coupling (JB/T5514 - 91) GB model, I plant another nylon teeth ring coupling NL nylon ring gear drum gear coupling ● nylon ring gear tooth coupling ring gear material MC nylon sleeve of the outer teeth 45 forged steel, with dimensions small, light weight, small inertia, low noise, easy assembly and disassembly without lubrication, etc., can be applied to small and medium-sized torque environmental conditions, such as fans, pumps, lubrication pumps, textile machinery. TGL drum gear nylon ring gear couplings following three structural type: --- A basic: B --- snap ring type: C --- the retaining ring 9.NL type nylon tooth couplings: NL-nylon tooth couplings for axis rotation and flexible, allowing large axial radial displacement, simple structure, easy maintenance, easy disassembly, low noise, Drive Power efficiency loss is small, long life and other advantages. Cylindrical, conical and short cylindrical axis hole pattern. Shaft bore and keyway coupling bores and keyways form and size requirements according to national standard GB3852-83 processing. Working thermometer 20 ° C to +700 ° C, the torque range 40N · m-315n · m. 10: WGP-band brake disc drum gear coupling (JB/T7001-93) with brake disc drum gear coupling, couplings are used to connect the power input shaft and the PTO shaft a left sleeve and a right sleeve, left sleeve end portion provided with drum-shaped tooth cap at the periphery of the left sleeve, the coupling sleeve is engaged by the drum-shaped teeth on its inner teeth with the left sleeve, right the end portion of the sleeve is provided with connecting flanges, the connecting flange and the coupling sleeve is fixed through crossunder bolt connection, a brake disc is sandwiched and fixed between the connection flange and the coupling sleeve. With brake disc drum gear coupling structure is simple, easy to install, the rigid connection of the brake disc and the right sleeve, brake load and vibration during braking borne by the right sleeve, and thus will not drum gear engagement performance caused by damage, while also greatly enhance the stability of the brake disc itself, to ensure the reliability of operation. Gear coupling is composed of the same number of teeth of the ring gear with external teeth flange coupling half parts. External gear is divided into both spur and drum gear tooth profile, the so-called drum gear is made spherical outer teeth the spherical center on the axis of the gear backlash than the average gear, drum gear coupling can be allow larger angular displacement (with respect to the straight-tooth coupling), may improve the contact condition of the teeth, to improve the torque transmission capacity and prolong life. The angular displacement state of contact along the tooth width. I produced the drum gear coupling of different specifications, models: the CL-gear coupling (JB / ZQ 4218-86) CLZ gear coupling (JB / ZQ 4218-86) GCLD type - drum gear coupling (JB / T 8845.1-2001) the WGP type - with brake disc drum gear coupling (JB/T7001-93) WGC - mounted vertically drum gear coupling ( JB/T7002-93) WGZ - with brake drum-shaped the the tooth coupling (JB/T7003-93) the WGT type - then the middle set of drum gear coupling (JB/T7004-93) TGL - nylon ring gear drum gear coupling (JB/T5514-91) WGJ - then the intermediate shaft drum gear coupling of JB/T8821-1998 G I CL G I CLZ - drum gear coupling (JB / T 8845.3-2001) G II CL G II CLZ - drum gear coupling (JB / T 8845.2-2001) NGCL - with brake wheel type (JB/ZQ4644-97) NGCLZ - with brake wheel WG-type (JB/ZQ4645-97) - with brake wheel-type (JB/ZQ4186-97) nl - nylon ring gear drum gear coupling (DB 3202 - 11: GCLD drum gear associated axis (JB / T 8854.1-2001) instead of JB/ZQ4380 drum gear coupling characteristics: drum gear coupling carrying capacity, high transmission efficiency, sets of teeth in the same outer diameter and coupling maximum outer diameter of the carrying capacity of the drum gear coupling average than straight teeth coupling increased by 15 to 20%, drum gear coupling transmission efficiency up to 99.7%. drum gear coupling angle the displacement large amount of compensation when the radial displacement is equal to zero, the straight gear coupling allowable angular displacement 1o, drum gear coupling permissible angular displacement of 1o30 'increased by 50%. drum gear coupling in the same modulus, number of teeth, tooth width, drum gear than straight teeth allows angular displacement, the drum tooth surface of the inner, outer tooth contact conditions have improved, avoiding the angular displacement conditions straight tooth side edge extrusion, the stress concentration of the drawbacks, while improving the tooth surface friction, wear status, reducing noise, and long maintenance cycle, the tooth tip of the outer sets of teeth Movement trumpet shape, the inner, outer teeth is very convenient assembly and disassembly , drum gear coupling is just the flexible coupling, gear coupling is composed of parts of the same number of teeth of the ring gear and flange coupling half with external teeth and the outer teeth straight teeth. and drum gear tooth profile, the so-called drum gear is made spherical outer teeth the spherical center on the axis of the gear backlash than the average gear, drum gear coupling allows larger angular displacement (with respect to the straight-tooth coupling), may improve the contact condition of the teeth, to improve the torque transmission capacity and prolong life. angular displacement along the tooth width of the contact state, having a radial, axial and angular axis offset compensation capability, has the advantages of compact structure, small turning radius, large carrying capacity, high transmission efficiency, low noise and long maintenance cycle, especially suitable for low-speed heavy working conditions, such as metallurgy, mining, lifting, transportation and other industries, applicable to the petroleum, chemicals, general machinery and other types of machinery and shaft drive drum gear coupling at work, the two axis relative angular displacement, internal and external teeth tooth surface periodically relative axial sliding, will inevitably lead to tooth surface wear and power consumption, shaft drive gear coupling must be in good and sealed gear coupling radial small size, load capacity, commonly used in low speed and heavy working conditions , high-precision and balancing gear coupling can be used for high-speed transmission, such as gas turbine shaft drive. drum gear coupling angular compensation is greater than the straight gear coupling, both at home and abroad widely used drum gear coupling 12: NGCLZ connected to the intermediate shaft with brake wheel drum gear coupling, gear coupling is by the same number of teeth of the ring gear and flange half coupling with external teeth and other parts. outer teeth divided into two toothed spur and drum gear, drum gear is the outer teeth made of spherical, spherical center on the axis of the gear backlash than the average gear, drum the tooth coupling can allow larger angular displacement (relative to the straight-tooth coupling), can improve the contact condition of the teeth, to improve the torque transmission capacity and prolong life. angular displacement along the contact state of the tooth width. flexible pin gear coupling: 13: WGP with brake disc drum gear coupling 14: CLZ gear coupling (JB / ZQ 4218-86) 15: NGCLZ then the middle shaft system driving wheel drum gear coupling, gear coupling parts by the same number of teeth of the ring gear and flange coupling half with external teeth. outer teeth into straight teeth and drum gear two toothed, the so-called drum gear is formed in the outer teeth sphere, spherical center on the axis of the gear backlash than the average gear, drum gear coupling allows larger angular displacement (as opposed to straight teeth Alliance axis), may improve the contact condition of the teeth, to improve the torque transmission capacity and prolong life. angular displacement along the tooth width of the contact state.