CN210419056U - Gear coupling for crane - Google Patents

Abstract

The utility model discloses a gear coupling for hoist, including the reel, the reel outside is provided with the shell, reel right-hand member inboard is provided with the toothed disc, and the toothed disc inboard is provided with the recess, the inner wall of recess all is equipped with a plurality of first teeth of a cogwheel, the toothed disc inboard is provided with the gear, the gear inboard is fixed with the buffering circle, and the buffering circle inboard is fixed with the metal disc, and the metal disc central point puts and is provided with the shaft hole, and the toothed disc outside is connected with the lubricating ring, and the inboard of lubricating ring lower part is provided with lubricating arrangement, and lubricating arrangement includes the batch oil tank, the batch oil tank is equipped with lubricating oil, and the batch oil tank lower extreme is connected with the conical tube, and the conical tube upper end level is provided with the limiting plate, and the limiting plate upside is provided; the utility model has the advantages of the compensation offset is big, safe practicality, transmission torque are big, have lubricating function and lubricated more even.

Description

Gear coupling for crane

Technical Field

The utility model belongs to the technical field of crane equipment, in particular to a gear coupling for hoist.

Background

The coupler is a device which connects two shafts or a shaft and a rotating part, rotates together in the process of transmitting motion and power and does not separate under normal conditions, sometimes the coupler is also used as a safety device for preventing a connected machine part from bearing overlarge load, and plays a role of overload protection, in the field of cranes, in order to be capable of transmitting larger torque, a gear coupler is usually adopted, however, the axial, radial and angular deviation capabilities of the gear coupler are poor, and the cranes are worn after being used for a long time, so that a winding drum is difficult to avoid deflection and exceeds the compensation range of the coupler, the winding drum cannot be driven to rotate any more, the maintenance cost of the cranes is increased, meanwhile, the gear coupler needs to be lubricated regularly during use, but the existing coupler is not provided with a lubricating device and is often lubricated manually, and the lubricating mode causes the waste of lubricating oil, while the lubrication is not sufficiently uniform.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gear coupling for hoist has that the compensation offset is big, safe practical, transmission torque is big, have lubricating function and lubricated more even advantage.

In order to achieve the above object, the utility model provides a following technical scheme: a gear coupling for a crane comprises a winding drum, wherein a shell is arranged outside the winding drum, a gear disc is arranged on the inner side of the right end of the winding drum, a groove is arranged on the inner side of the gear disc, a plurality of first gear teeth are arranged on the inner wall of the groove, a gear is arranged on the inner side of the gear disc, a plurality of second gear teeth are uniformly distributed on the outer side of the gear, the first gear teeth and the second gear teeth are meshed with each other, a buffer ring is fixed on the inner side of the gear, a metal disc is fixed on the inner side of the buffer ring, a shaft hole is formed in the central position of the metal disc, a clamping groove is formed in the upper side of the shaft hole, a rotating shaft is connected to the right side of the shaft hole, a lubricating ring is connected to the outer side of the gear disc, a lubricating device is arranged on the inner side, the inside equipartition of limiting plate has a plurality of through-holes, and limiting plate central point puts and is provided with spacing hole, the limiting plate upside is provided with spring bracket, spring bracket middle part downside is connected with reset spring, and the reset spring lower extreme is connected with the ball, the ball lower part runs through the conical tube, and ball lower extreme and lubricated circle contact, batch oil tank right side upper portion is connected with adds oil pipe, it runs through the shell lower wall to add oil pipe lower part, adds the lower extreme of oil pipe and installs the ooff valve, it is provided with the protection tube to add the oil pipe outside, batch oil tank right side middle part is fixed with the batch oil tank support, the right.

Preferably, the cross section of the groove is arc-shaped, and the first gear teeth are arc-shaped.

Preferably, the cross section of the outer side of the gear is circular arc, and the second gear teeth are circular arc.

Preferably, the diameter of the inner port of the lubricating ring is larger than that of the outer port.

Preferably, the ball is a spherical ball.

Preferably, the return spring support is an Jiong-shaped support.

Preferably, the buffer ring is made of rubber materials.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model designs the first gear teeth and the second gear teeth into arc shapes, which can increase the safety of the crane, when the reel has large angle deviation, if the traditional straight-tooth gear is used, the reel can be separated from the coupler, the reel loses the control of the coupler, thereby the heavy object on the reel drops, the economic loss and potential safety hazard are increased, meanwhile, the arc-shaped gear teeth have large angle deviation, the coupler has large angle compensation amount, the axial, radial and angle compensation amount of the coupler is increased again by designing the buffer ring, thereby the maintenance period of the crane can be prolonged, the maintenance cost of the crane is reduced, the gear disc and the gear can be lubricated uniformly by designing the lubricating device, meanwhile, because of the ball type design, the lubricating liquid can be saved, the service life of the gear disc and the gear is prolonged, meanwhile, the using amount of the lubricating liquid is reduced, and the using cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a right-side view structural diagram of the buffer ring and the gear of the present invention.

Fig. 3 is a schematic structural diagram of the lubricating assembly of the present invention.

Fig. 4 is a top view of the limiting plate of the present invention.

Fig. 5 is a partial enlarged view of the present invention.

In the figure: 1. the oil filling device comprises a winding drum, 2, a shell, 3, a gear disc, 4, a groove, 5, a first gear tooth, 6, a lubricating ring, 7, a gear, 8, a second gear tooth, 9, a lubricating device, 91, an oil storage tank, 92, lubricating oil, 93, a conical tube, 94, a limiting plate, 941, a through hole, 942, a limiting hole, 95, a spring support, 96, a return spring, 97, a ball, 98, an oil filling pipe, 99, a protection pipe, 910, an oil storage tank support, 911, a switch valve, 10, a buffer ring, 11, a metal disc, 12, a shaft hole, 13, a clamping groove, 14 and a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present embodiment provides a gear coupling for a crane, including a winding drum 1, a housing 2 is disposed outside the winding drum 1, a gear plate 3 is disposed on an inner side of a right end of the winding drum 1, a groove 4 is disposed on an inner side of the gear plate 3, a plurality of first gear teeth 5 are disposed on inner walls of the groove 4, a gear 7 is disposed on an inner side of the gear plate 3, a plurality of second gear teeth 8 are uniformly distributed on an outer side of the gear 7, the first gear teeth 5 and the second gear teeth 8 are engaged with each other, a buffer ring 10 is fixed on an inner side of the gear 7, a metal plate 11 is fixed on an inner side of the buffer ring 10, a shaft 12 hole is disposed at a central position of the metal plate 11, a clamping groove 13 is disposed on an upper side of the shaft hole 12, a rotating shaft 14 is connected to a right side of the shaft, lubricating device 9 includes oil storage tank 91, oil storage tank 91 is inside to be equipped with lubricating oil 92, and oil storage tank 91 lower extreme is connected with conical tube 93, conical tube 93 upper end level is provided with limiting plate 94, and the inside equipartition of limiting plate 94 has a plurality of through-holes 941, and limiting plate 94 central point puts and is provided with spacing hole 942, limiting plate 94 upside is provided with spring bracket 95, spring bracket 95 middle part downside is connected with reset spring 96, and reset spring 96 lower extreme is connected with ball 97, ball 97 lower part runs through conical tube 93, and ball 97 lower extreme and lubricating ring 6 contact, oil storage tank 91 right side upper portion is connected with oil filling pipe 98, oil filling pipe 98 lower part runs through shell 2 lower wall, and switch valve 911 is installed to the lower extreme of oil filling pipe 98, oil filling pipe 98 outside is provided with protection tube 99, and the lower extreme of protection tube 99 is fixed in shell 2 lower wall, oil storage tank, the right end of the tank holder 910 is fixed to the left side of the protection pipe 99.

In order to increase the angle compensation amount of the coupler and increase the safety of the crane, in this embodiment, it is preferable that the cross section of the groove 4 is a circular arc, and the first gear tooth 5 is a circular arc.

In order to be able to adapt to the gear plate 3 and the first toothing 5, the outer side of the gear wheel 7 is preferably shaped as a circular arc in cross section, and the second toothing 8 is preferably shaped as a circular arc.

In order to incline the side wall of the lubricating ring 6 and ensure that the lubricating fluid can flow into the groove 4 of the gear disc 3 to lubricate the gear disc 3 and the gear 7, the diameter of the inner side port of the lubricating ring 6 is preferably larger than that of the outer side port.

In order to enable the lubricating fluid to flow out uniformly, the ball 97 is preferably a spherical ball.

In order to support the return spring 96, the return spring 96 is preferably shaped like Jiong.

In order to make the cushion ring 6 have good elasticity, it is preferable that the cushion ring 6 is made of a rubber material.

The utility model discloses a theory of operation: when the coupler is used, the motor drives the rotating shaft 14 to rotate, the rotating shaft 14 drives the metal disc 11 to rotate under the action of the clamping groove 13 in the shaft hole 12, the buffer ring 10 rotates along with the rotation, the buffer ring 10 is made of rubber materials, the buffer effect can be achieved, and meanwhile, the axial compensation amount, the radial compensation amount and the angular compensation amount of the coupler can be increased, so that the practicability of the coupler is increased, the buffer ring 10 drives the gear 7 to rotate, the gear 7 drives the gear disc 3 to rotate, the gear disc 3 drives the winding drum 1 to rotate, the first gear teeth 5 on the inner side of the gear disc 3 and the second gear teeth 8 of the gear 7 are both arc-shaped, so that the torque of the coupler is increased, the angular compensation amount of the coupler is increased, the winding drum 1 can still well operate when the winding drum 1 is greatly deviated, the lubricating ring 6 rotates along with the rotation when the gear disc 3 rotates, because the lubricating ring 6 plays a role of extruding, lubricating liquid 92 in the oil storage tank 91 passes through the through-hole entering taper pipe 93 of limiting plate 94, then flow on lubricating ring 6, flow into in the recess 4 of toothed disc 3 from lubricating ring 6 again, along with the rotation of toothed disc 3 and gear 7, can be to the even lubrication of gear 7 and toothed disc 3, lubricating oil 92 can be practiced thrift more to the mode through ball 97 simultaneously, the lubrication cost is reduced, if need add lubricating oil 92, connect refueling equipment and oil filling pipe 98, then open switch valve 911 can, this kind of mode convenient and fast who adds lubricating oil 92, the cost of labor has been reduced simultaneously.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A gear coupling for a crane, comprising a drum, characterized in that: the lubricating device comprises an oil storage tank, lubricating oil is filled in the oil storage tank, a conical pipe is connected to the lower end of the oil storage tank, a limiting plate is horizontally arranged at the upper end of the conical pipe, a plurality of through holes are uniformly distributed in the limiting plate, limiting plate central point puts and is provided with spacing hole, the limiting plate upside is provided with spring bracket, spring bracket middle part downside is connected with reset spring, and the reset spring lower extreme is connected with the ball, the ball lower part runs through the conical tube, and ball lower extreme and lubricated circle contact, batch oil tank right side upper portion is connected with adds oil pipe, it runs through the shell lower wall to add oil pipe lower part, adds oil pipe's lower extreme and installs the ooff valve, it is provided with the protection tube to add oil pipe outside, batch oil tank right side middle part is fixed with the batch oil tank support, the right-hand member of batch oil tank support is fixed in the.

2. The gear coupling for a crane according to claim 1, wherein: the cross section of the groove is arc-shaped, and the first gear teeth are arc-shaped.

3. The gear coupling for a crane according to claim 1, wherein: the section of the outer side of the gear is arc-shaped, and the second gear teeth are arc-shaped.

4. The gear coupling for a crane according to claim 1, wherein: the diameter of the inner side port of the lubricating ring is larger than that of the outer side port.

5. The gear coupling for a crane according to claim 1, wherein: the ball is a spherical ball.

6. The gear coupling for a crane according to claim 1, wherein: the reset spring support is an Jiong-shaped support.

7. The gear coupling for a crane according to claim 1, wherein: the buffer ring is made of rubber materials.

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