CN222181659U

CN222181659U - Hook lifting device

Info

Publication number: CN222181659U
Application number: CN202420840355.0U
Authority: CN
Inventors: 张利; 赵世昌; 霍军; 夏俊朝; 高飞
Original assignee: CHN Energy Railway Equipment Co Ltd
Current assignee: CHN Energy Railway Equipment Co Ltd
Priority date: 2024-04-22
Filing date: 2024-04-22
Publication date: 2024-12-17
Anticipated expiration: 2034-04-22

Abstract

The utility model relates to a hook head lifting device, relates to the technical field of car coupler transportation equipment, and is used for solving the problem of lifting hook head clamping stagnation of the hook head lifting device. The lifting hook comprises a stand, a lifting carrier and a guiding mechanism, wherein the stand is fixed on an object to be fixed, the stand is arranged on the stand, the lifting carrier is arranged on the stand and is connected with the stand in a sliding mode in a first direction, the lifting carrier is used for lifting the hook head, the guiding mechanism is arranged between the stand and the lifting carrier, and the guiding mechanism is used for guiding the lifting carrier to slide in the first direction. The utility model integrates a guiding mechanism in the hook head lifting device. The lifting carrier is guided by the guide mechanism. This ensures that the lift truck slides in a first direction on the upright. Thus, the lifting carrier is prevented from being blocked on the upright post. Thereby ensuring that the hook head lifting device can work normally. And further improves the overhauling and installing efficiency of the railway wagon coupler.

Description

Hook head lifting device

Technical Field

The utility model relates to the technical field of car coupler transportation equipment, in particular to a hook head lifting device.

Background

In the overhaul and installation process of the existing railway wagon coupler, the coupler head on the underground conveying line needs to be lifted. The hook head is generally lifted vertically by a hook head lifting device.

However, in the hook lifting device in the prior art (the specific structure can be seen in the chinese patent No. CN 116160220 a), a scissor type lifting mechanism is used to lift the hook.

However, such a scissor lift mechanism may be jammed when lifting the hook. Therefore, the lifting of the coupler head is not smooth, and the overhauling and installing efficiency of the railway wagon coupler is seriously affected.

In other words, the hook lifting device in the prior art has the problem of lifting hook clamping stagnation.

Disclosure of utility model

The utility model provides a hook head lifting device which is used for solving the problem of lifting hook head clamping stagnation of the hook head lifting device.

The utility model provides a hook head lifting device, comprising:

a base fixed on the object to be fixed, and

A column provided on the base, and

A lifting carrier arranged on the upright post and connected with the upright post in a sliding way in the first direction, a lifting hook head for lifting the lifting carrier, and

And the guide mechanism is arranged between the upright post and the lifting carrier and is used for guiding the lifting carrier to slide along the first direction.

In one embodiment, the guide mechanism includes:

a first roller group arranged on the lifting carrier vehicle, and

The second roller group is arranged on the lifting carrier and corresponds to the first roller group;

The first roller group and the second roller group can roll on the outer peripheral surface of the upright post at the same time so as to limit the lifting carrier to lift along the first direction.

In one embodiment, the upright is a square column, the first roller set comprises a plurality of first rollers, and the plurality of first rollers are arranged at intervals along the circumferential direction of the upright and can roll on the outer circumferential surface of the upright at the same time.

In one embodiment, the upright post is a square column, the second roller group comprises a plurality of second rollers, the second rollers are arranged along the circumferential direction of the upright post at intervals and can roll on the outer circumferential surface of the upright post at the same time, and the second rollers and the first rollers are arranged at a certain included angle in the first direction.

In one embodiment, the upright is a square column, the second roller set comprises a plurality of second rollers, and the second rollers are arranged at intervals along the circumferential direction of the upright and can roll on the outer circumferential surface of the upright at the same time.

In one embodiment, further comprising a first drive mechanism comprising:

a screw rotatably disposed in the column, and

A connector assembly which is sleeved on the periphery of the screw rod and is in threaded connection with the screw rod, and

Wherein, the spout that extends along the first direction to set up has been seted up to one side of stand, and the one end of connector subassembly stretches out from the spout and carries the car to be connected with the lift, and the spout can prevent that connector subassembly from winding the screw rotation.

In one embodiment, the device further comprises a rolling bearing, wherein an outer ring of the rolling bearing is fixed on the machine base, one end of the screw rod is fixed with an inner ring of the rolling bearing, or the outer ring of the rolling bearing is fixed on one end of the upright post far away from the machine base, and one end of the screw rod is fixed with the inner ring of the rolling bearing.

In one embodiment, further comprising a second drive mechanism, the second drive mechanism comprising:

A driving part arranged on the machine base, and

The transmission part is connected with the driving part and the screw rod;

the driving part is used for driving the transmission part to act, and the transmission part is used for driving the screw rod to rotate.

In one embodiment, the transmission part includes:

A first sprocket fixed on the outer periphery of the screw rod, and

A second sprocket fixed on the driving part, and

One end of the transmission chain is meshed with the first sprocket, and the other end of the transmission chain is meshed with the second sprocket;

The driving part comprises a driving motor, the driving end of the driving motor is fixedly connected with a second sprocket, and the first sprocket, the second sprocket and the transmission chain are constructed into a chain sprocket transmission mechanism.

In one embodiment, the control device further comprises a control component, wherein the control component is electrically connected with the driving motor and used for controlling the starting and stopping of the driving motor.

Compared with the prior art, the utility model has the advantage that the guide mechanism is integrated in the hook head lifting device. The lifting carrier is guided by the guide mechanism. This ensures that the lift truck slides in a first direction on the upright. Thus, the lifting carrier is prevented from being blocked on the upright post. Thereby ensuring that the hook head lifting device can work normally. And further improves the overhauling and installing efficiency of the railway wagon coupler.

Drawings

The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.

Fig. 1 is a schematic perspective view of a hook lifting device according to an embodiment of the present utility model;

fig. 2 is a front view of a hook head lifting device in an embodiment of the present utility model;

FIG. 3 is a cross-sectional view at A-A in FIG. 2;

fig. 4 is a cross-sectional view at B-B in fig. 3.

Reference numerals:

10. The lifting and carrying machine comprises a machine base, 20, a stand column, 30, a lifting and carrying vehicle, 40, a guiding mechanism, 41, a first roller set, 411, a first roller, 42, a second roller set, 421, a second roller, 50, a first driving mechanism, 51, a lead screw, 52, a connector assembly, 521, a driving nut, 522, a connector, 60, a rolling bearing, 70, a second driving mechanism, 71, a driving part, 711, a driving motor, 712, a speed reducer, 72, a transmission part, 80, a control assembly, 100 and a hook head.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 4, the present utility model provides a hook head 100 lifting device, wherein the hook head 100 lifting device comprises a machine base 10, a column 20, a lifting carrier 30 and a guiding mechanism 40. The lifting hook comprises a machine base 10 fixed on an object to be fixed, a stand column 20 arranged on the machine base 10, a lifting carrier 30 arranged on the stand column 20, the lifting carrier 30 and the stand column 20 in sliding connection in a first direction, the lifting carrier 30 is used for lifting the hook head 100, a guide mechanism 40 is arranged between the stand column 20 and the lifting carrier 30, and the guide mechanism 40 is used for guiding the lifting carrier 30 to slide in the first direction.

In the above arrangement, the guide mechanism 40 is integrally provided in the hook head 100 lifting device. The lift truck 30 is guided by a guide mechanism 40. This ensures that lift truck 30 slides in a first direction on upright 20. This prevents the lift truck 30 from jamming on the upright 20. Thereby ensuring that the lifting device of the hook head 100 can operate normally. And further improves the overhauling and installing efficiency of the railway wagon coupler.

Specifically, as shown in fig. 1 to 4, in one embodiment, the guide mechanism 40 includes a first roller group 41 and a second roller group 42. The first roller group 41 is disposed on the elevating carriage 30, the second roller group 42 is disposed on the elevating carriage 30 and corresponds to the first roller group 41, and the first roller group 41 and the second roller group 42 can roll on the outer circumferential surface of the upright post 20 at the same time to limit the elevating carriage 30 to elevate along the first direction.

In the above arrangement, the guide mechanism 40 is provided as the roller group, so that the frictional force between the guide mechanism 40 and the column 20 can be reduced while ensuring that the lift truck 30 slides on the column 20 in the first direction. Thereby reducing damage to the guide mechanism 40 and further extending the service life of the lifting device of the hook head 100.

Of course, in alternative embodiments of the application not shown in the drawings, the guide mechanism 40 may be provided as a stop block fixed to the lift truck 30, by means of which the lift truck 30 is limited to lifting in the first direction.

Specifically, as shown in fig. 1 to 4, in one embodiment, the pillar 20 is a square pillar, and the first roller group 41 includes a plurality of first rollers 411, and the plurality of first rollers 411 are disposed at intervals along the circumferential direction of the pillar 20 and can simultaneously roll on the outer circumferential surface of the pillar 20. This ensures the stability and stability of the sliding of the elevating carriage 30. Thereby improving the performance of the lifting device of the hook head 100.

Specifically, as shown in fig. 1 to 4, in one embodiment, the upright 20 is a square column, the second roller group 42 includes a plurality of second rollers 421, and the plurality of second rollers 421 are disposed at intervals along the circumferential direction of the upright 20 and can roll on the outer circumferential surface of the upright 20 at the same time, wherein the plurality of second rollers 421 and the plurality of first rollers 411 are disposed at an angle of 90 degrees in the first direction. Wherein the second roller set 42 is identical to the first roller set 41 in structure and size. So that the two can be interchanged. Thereby simplifying the inner component composition structure of the lifting device of the hook head 100 and facilitating the replacement of the inner component. Thereby reducing the later maintenance costs of the hook head 100 lifting device.

Specifically, as shown in fig. 1 to 4, in one embodiment, the plurality of second rollers 421 are located below the plurality of first roller groups 41.

Of course, in alternative embodiments not shown in the drawings of the present application, the plurality of second rollers 421 and the plurality of first rollers 411 may be disposed to be one-to-one corresponding to each other in the first direction.

Of course, in alternative embodiments not shown in the drawings of the present application, the second roller 421 and the first roller 411 may be configured and sized differently.

Of course, in alternative embodiments of the application not shown in the drawings, only the second roller set 42 or the first roller set 41 may be provided.

Specifically, as shown in fig. 1 to 4, in one embodiment, the hook head 100 lifting device further includes a first driving mechanism 50 including a screw 51 and a connector assembly 52. The screw rod 51 is rotatably arranged in the upright post 20, the connector assembly 52 is sleeved on the periphery of the screw rod 51 and is in threaded connection with the screw rod 51, a sliding groove extending in the first direction is formed in one side of the upright post 20, one end of the connector assembly 52 extends out of the sliding groove and is connected with the lifting carrier 30, and the sliding groove can prevent the connector assembly 52 from rotating around the screw rod 51.

In the above arrangement, the connecting body assembly 52 can be driven to slide along the chute by rotating the screw rod 51, and meanwhile, the lifting carrier 30 is driven to lift up and down by the connecting body assembly 52. Thereby realizing the function of driving the elevating carriage 30 to elevate.

Specifically, as shown in fig. 1 to 4, in one embodiment, a rolling bearing 60 is further included, an outer ring of the rolling bearing 60 is fixed on the housing 10, and one end of the screw 51 is fixed with an inner ring of the rolling bearing 60.

Specifically, as shown in fig. 1 to 4, in one embodiment, the device further comprises a rolling bearing 60, wherein an outer ring of the rolling bearing 60 is fixed on one end of the upright 20 away from the stand 10, and one end of the screw rod 51 is fixed with an inner ring of the rolling bearing 60.

The provision of the rolling bearing 60 can reduce the rotational friction of the screw 51. Thereby improving the rotation efficiency thereof. Thereby improving the lifting efficiency of the hook head 100 lifting device.

Specifically, as shown in fig. 1 to 4, in one embodiment, the device further comprises a second driving mechanism 70, wherein the second driving mechanism 70 comprises a driving part 71 and a transmission part 72, the driving part 71 is arranged on the stand 10, the transmission part 72 is connected with the driving part 71 and the screw 51, the driving part 71 is used for driving the transmission part 72 to act, and the transmission part 72 is used for driving the screw 51 to rotate.

Specifically, as shown in fig. 1-4, in one embodiment, the drive portion 72 includes first and second sprockets and a drive chain. The driving part 71 comprises a driving motor 711, a driving end of the driving motor 711 is fixedly connected with the second sprocket, and the first sprocket, the second sprocket and the driving chain are configured into a chain sprocket transmission mechanism.

Specifically, as shown in fig. 1 to 4, in one embodiment, the control device further includes a control device 80, where the control device 80 is electrically connected to the driving motor 711, and is used to control start and stop of the driving motor 711.

Specifically, as shown in fig. 1 to 4, in one embodiment, the driving part 71 further includes a speed reducer 712, an input end of the speed reducer 712 is connected to a driving shaft of the driving motor 711, and an output end of the speed reducer 712 is connected to the first sprocket. I.e., the driving end of the driving motor 711 is fixedly coupled to the second sprocket through the decelerator 712.

The stand 20 for fixing connection on the stand 10 includes a guide plate, a rolling bearing 60 is disposed at the lower end of the stand, the rolling bearing 60 is disposed at the upper end of the stand, a lead screw 51 is mounted between the two rolling bearings 60, the lead screw 51 can freely rotate, the upper end of the lead screw is connected with a driving motor 711 by a chain sprocket transmission mechanism, the chain sprocket transmission mechanism transmits rotation of the driving motor 711 to the lead screw 51 for rotation, a driving nut 521 is mounted on the lead screw 51, the connector assembly 52 includes the driving nut 521 and a connector 522 disposed at the outer periphery of the driving nut 521, the lead screw 51 is connected with the connector 522 through the driving nut 521 to convert rotation of the driving nut 521 into vertical linear motion, the connector 522 is connected with the lifting vehicle 30, the driving nut 521 moves up and down to drive the lifting vehicle 30, guide wheels (first and second rollers) are mounted around the lifting vehicle 30, the guide wheels move along the guide plate of the stand 20, the upper end of the guide wheels is connected with an encoder (contained in the control assembly 80), the encoder sends a signal to control the driving motor 521 to control the rotation of the driving motor, the driving nut 521 moves up and down the lifting vehicle 100 from the lifting vehicle, the lifting vehicle is driven by the driving nut 521 to the lifting vehicle 30, and the lifting vehicle is driven by the lifting vehicle 30 is driven to the lifting vehicle 30, and the lifting vehicle is driven to the lifting vehicle 100, and the lifting vehicle is in position by the lifting vehicle is accurately and the lifting vehicle is controlled to be in position 100.

As can be seen from the detailed description of the above embodiments, the guide mechanism 40 is integrally provided in the elevating device of the hook head 100. The lift truck 30 is guided by a guide mechanism 40. This ensures that lift truck 30 slides in a first direction on upright 20. This prevents the lift truck 30 from jamming on the upright 20. Thereby ensuring that the lifting device of the hook head 100 can operate normally. And further improves the overhauling and installing efficiency of the railway wagon coupler.

While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A hook lifting device, characterized in that it comprises:

A machine base, which is fixed on the object to be fixed; and

A column, which is arranged on the base; and

A lifting trolley is disposed on the column, the lifting trolley is slidably connected to the column in a first direction, and the lifting trolley is used to lift the hook head; and

A guide mechanism is arranged between the column and the lifting vehicle, and the guide mechanism is used to guide the lifting vehicle to slide along a first direction.

2. The hook lifting device according to claim 1, characterized in that the guide mechanism comprises:

A first roller assembly, which is disposed on the lifting vehicle; and

a second roller group, which is arranged on the lifting vehicle and corresponds to the first roller group;

The first roller group and the second roller group can roll simultaneously on the outer peripheral surface of the column to limit the lifting vehicle to rise and fall along a first direction.

3. The hook lifting device according to claim 2 is characterized in that the column is a square column, the first roller group includes a plurality of first rollers, the plurality of first rollers are arranged at intervals along the circumference of the column, and can roll on the outer circumferential surface of the column at the same time.

4. The hook head lifting device according to claim 3 is characterized in that the column is a square column, and the second roller group includes a plurality of second rollers, which are arranged at intervals along the circumference of the column and can roll on the outer circumferential surface of the column at the same time, wherein the plurality of second rollers are arranged one-to-one with the plurality of first rollers.

5. The hook head lifting device according to claim 2 is characterized in that the column is a square column, the second roller group includes a plurality of second rollers, the plurality of second rollers are arranged at intervals along the circumference of the column, and can roll on the outer circumferential surface of the column at the same time, wherein the plurality of second rollers are arranged at a certain angle to the plurality of first rollers in the first direction.

6. The hook lifting device according to any one of claims 1 to 5, characterized in that it also includes a first driving mechanism, which includes:

A lead screw rotatably disposed in the column; and

a connector assembly, which is sleeved on the outer circumference of the lead screw and is threadedly connected to the lead screw; and

A slide groove extending along a first direction is provided on one side of the column, one end of the connector assembly extends from the slide groove and is connected to the lifting vehicle, and the slide groove can prevent the connector assembly from rotating around the lead screw.

7. The hook lifting device according to claim 6 is characterized in that it also includes a rolling bearing, the outer ring of the rolling bearing is fixed on the machine base, and one end of the screw is fixed to the inner ring of the rolling bearing, or the outer ring of the rolling bearing is fixed to one end of the column away from the machine base, and one end of the screw is fixed to the inner ring of the rolling bearing.

8. The hook lifting device according to claim 6, characterized in that it also includes a second driving mechanism, wherein the second driving mechanism includes:

A driving unit, which is arranged on the base; and

A transmission part connected to the driving part and the lead screw;

Wherein, the driving part is used to drive the transmission part to move, and the transmission part is used to drive the lead screw to rotate.

9. The hook lifting device according to claim 8, characterized in that the transmission part comprises:

A first sprocket fixed to the outer periphery of the lead screw; and

A second sprocket fixed to the driving portion; and

a transmission chain, one end of which is meshed with the first sprocket, and the other end of which is meshed with the second sprocket;

Wherein, the driving part comprises a driving motor, a driving end of the driving motor is fixedly connected to the second sprocket, and the first sprocket, the second sprocket and the transmission chain form a chain and sprocket transmission mechanism.

10. The hook lifting device according to claim 9 is characterized in that it also includes a control component, wherein the control component is electrically connected to the drive motor and is used to control the start and stop of the drive motor.