CN219009728U

CN219009728U - Lifting device, lifting equipment and electroplating system

Info

Publication number: CN219009728U
Application number: CN202222539829.1U
Authority: CN
Inventors: 蔡鹏程; 江明亮; 耿鑫
Original assignee: Loudi Zhongxing Hydraulic Parts Co Ltd
Current assignee: Loudi Zhongxing Hydraulic Parts Co Ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-05-12
Anticipated expiration: 2032-09-23

Abstract

The utility model relates to the technical field of hoisting equipment, and provides a lifting device, hoisting equipment and an electroplating system, wherein the lifting device comprises a protective frame, a hoisting part and a driving mechanism, the protective frame is of a hollow structure, the hoisting part is arranged in the protective frame, the hoisting part is in sliding fit with the protective frame, and the sliding direction is arranged along the vertical direction; the lower end of the protective frame is provided with a through hole for the lower end of the hoisting part and the workpiece to enter and exit the protective frame; the driving mechanism is arranged on the protection frame and is arranged to drive the hoisting part to slide relative to the protection frame. So set up, improved the stability of hoist and mount portion and work piece, reduced the risk of work piece landing, make hoist and mount portion and the upper end of work piece be located the protection frame in handling in-process, if the unexpected landing of work piece, because the upper end of work piece is located the protection frame, under the effect of protection frame, can prevent effectively that the work piece from empting to get rid of the potential safety hazard that causes because of work piece rocks, the landing is emptyd when handling the longer work piece of length dimension among the prior art.

Description

Lifting device, lifting equipment and electroplating system

Technical Field

The utility model relates to the technical field of lifting equipment, in particular to a lifting device, lifting equipment and an electroplating system.

Background

The external dimensions of the workpieces such as the hydraulic oil cylinder, the conveying cylinder and the like are longer, and in the production process such as electroplating and the like, the workpieces are required to be in a vertical state, and then the operations such as lifting and lifting are performed. Because the quality of work piece is great, the size is longer, and the handling equipment among the prior art can appear rocking or landing problem when handling the work piece, rocks great then and the collision takes place with its surrounding object or equipment easily, and when the work piece landing, the work piece can empty, and the direction of toppling over of work piece is uncertain, has great potential safety hazard.

Therefore, how to solve the problem of potential safety hazard caused by shaking, sliding and dumping of workpieces when the workpieces with longer length and size are lifted in the prior art becomes an important technical problem to be solved by the technicians in the field.

Disclosure of Invention

The utility model provides a lifting device, lifting equipment and an electroplating system, which are used for solving the defect of potential safety hazard caused by shaking, sliding and dumping of workpieces when the workpieces with longer length and size are lifted in the prior art.

The utility model provides a lifting device, which comprises a protection frame, a hoisting part and a driving mechanism, wherein:

the protecting frame is of a hollow structure, the hoisting part is arranged in the protecting frame, the hoisting part is in sliding fit with the protecting frame, and the sliding direction is arranged along the vertical direction;

the lower end of the protective frame is provided with a through hole for the lower end of the hoisting part and a workpiece to enter and exit the protective frame;

the driving mechanism is arranged on the protective frame and is arranged to drive the hoisting part to slide relative to the protective frame.

According to the lifting device provided by the utility model, the protective frame comprises a first main chord member, a second main chord member and a web member;

the first main chords are arranged in a pair, the first main chords are parallel and distributed at intervals, the second main chords are arranged in a pair, the second main chords are parallel and distributed at intervals,

the planes of the first main chords and the planes of the second main chords are parallel with each other and have a distance, and the web members are arranged between the adjacent first main chords, between the adjacent second main chords and between the adjacent first main chords and the adjacent second main chords.

According to the lifting device provided by the utility model, the first main chord member and the second main chord member are mutually parallel and are arranged along the vertical direction;

the hoisting part is provided with a first roller and a second roller, the rotation axis of the first roller and the rotation axis of the second roller are both arranged along the horizontal direction, the first roller is arranged to be in rolling fit with the first main chord member, and the second roller is arranged to be in rolling fit with the second main chord member.

According to the lifting device provided by the utility model, the cross sections of the first main chord member and the second main chord member are rectangular;

each first main chord corresponds to two groups of first rollers, and the rotation axes of the two groups of first rollers are vertical;

each second main chord member corresponds to two groups of second rollers, and the rotation axes of the two groups of second rollers are perpendicular.

According to the lifting device provided by the utility model, the lifting part comprises the connecting frame which is used for being in sliding fit with the protective frame and the suspension arm which is used for lifting the workpiece, the connecting frame is connected with the execution end of the driving mechanism, and the suspension arm is arranged at the lower end of the connecting frame.

According to the lifting device provided by the utility model, the driving mechanism comprises a chain transmission assembly and a driving piece for driving the chain transmission assembly to operate;

the chain transmission assembly comprises a first sprocket, a second sprocket and a chain, wherein the first sprocket is rotatably arranged at the upper end of the protection frame, the second sprocket is rotatably arranged at the lower end of the protection frame, the first sprocket and the second sprocket are in meshed transmission with the chain, the lifting part is fixedly connected with the chain, and one of the first sprocket and the second sprocket is in transmission connection with the driving piece.

According to the lifting device provided by the utility model, two groups of chain transmission assemblies are arranged, the two groups of chain transmission assemblies are distributed at intervals, the hoisting parts are positioned between the two groups of chain transmission assemblies, and the chains of the two groups of chain transmission assemblies are fixedly connected with the hoisting parts.

According to the lifting device provided by the utility model, the driving piece is arranged at the upper end of the protection frame, the driving piece is provided with the first output shaft part and the second output shaft part which are positioned between the two groups of chain transmission assemblies, the first output shaft part and the second output shaft part are coaxially arranged and synchronously rotate, and the first output shaft part and the second output shaft part are respectively connected with the first chain wheels of the two groups of chain transmission assemblies in a transmission way.

The utility model also provides lifting equipment which comprises a lifting device and a moving mechanism for driving the lifting device to horizontally move, wherein the lifting device is the lifting device.

The utility model also provides an electroplating system which comprises the lifting device or the lifting equipment.

The lifting device comprises a protective frame, a lifting part and a driving mechanism, wherein the protective frame is of a hollow structure, the lifting part is arranged in the protective frame, and the lifting part can slide relative to the protective frame along the vertical direction so as to drive a workpiece to lift. The driving mechanism is arranged on the protection frame and used for driving the hoisting part to slide relative to the protection frame. The lower end of the protective frame is provided with a through hole for the lower end of the hoisting part and the workpiece connected with the hoisting part to enter and exit the protective frame. So set up, hoist and mount portion and protection frame sliding fit can improve the stability of hoist and mount portion, reduce the work piece and rock at the lift in-process, reduce the risk of work piece landing, moreover, the through-hole of protection frame lower extreme can allow hoist and mount portion to drive the inside that the work piece got into the protection frame, in the handling in-process, make the upper end (or the work piece is whole) of hoist and mount portion and work piece be located the protection frame, can avoid the work piece to the collision of surrounding object or equipment, if the unexpected landing of work piece, because the upper end of work piece is located the protection frame, under the effect of protection frame, can effectively prevent that the work piece from empting, thereby get rid of the potential safety hazard that causes because of the work piece rocks, the landing is emptyd when handling the longer work piece of length size among the prior art.

Further, the lifting device provided by the utility model has the advantages as described above because of the lifting device.

Further, the plating system according to the present utility model has the above-described advantages because it is provided with the lifting device or the lifting device.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a lifting device according to the present utility model;

FIG. 2 is a schematic diagram of a connection structure between a driving mechanism, a first sprocket and a protective frame provided by the utility model;

FIG. 3 is a schematic view of a first roller and a first primary chord according to the present utility model;

fig. 4 is a schematic structural view of a lifting part provided by the utility model;

FIG. 5 is a schematic view of a connection structure between a second sprocket and a guard frame provided by the present utility model;

FIG. 6 is a schematic view of the structure of the lifting device provided by the utility model when the lower end of the lifting part extends out of the protective frame;

fig. 7 is a schematic structural view of the lifting device provided by the utility model when the lifting part and the workpiece are positioned in the protective frame.

Reference numerals:

1. a protective frame; 2. a hoisting part; 3. a first primary chord; 4. a second main chord; 5. a web member; 6. a first roller; 7. a second roller; 8. a connecting frame; 9. a suspension arm; 10. a driving member; 11. a first sprocket; 12. a second sprocket; 13. a chain; 14. a first output shaft portion; 15. a second output shaft portion; 16. a bearing seat; 17. a first lock nut; 18. a second lock nut; 19. a mounting base; 20. a fixed shaft; 21. a workpiece; 22. and (5) a tool.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The lifting device of the present utility model is described below with reference to fig. 1 to 7.

As shown in fig. 1 to 7, the lifting device provided by the embodiment of the utility model comprises a protection frame 1, a lifting part 2 and a driving mechanism.

Specifically, the protection frame 1 has a hollow structure, and has an accommodation space therein, and the hanging portion 2 is provided in the inner space of the protection frame 1, and the hanging portion 2 can slide reciprocally in the vertical direction with respect to the protection frame 1.

The lower end of the lifting part 2 is used for being connected with the workpiece 21, and the lifting part 2 slides relative to the protection frame 1 and can drive the workpiece 21 to lift.

The driving mechanism is disposed on the protection frame 1 and is used for driving the hoisting portion 2 to slide relative to the protection frame 1.

The lower end of the protective frame 1 is provided with a through hole for the lower end of the hoisting part 2 and the workpiece 21 connected with the hoisting part 2 to enter and exit the protective frame 1 along the vertical direction.

So set up, hoist and mount portion 2 and protection frame 1 sliding fit can improve the stability of hoist and mount portion 2, reduces the rocking of work piece 21 in the lift in-process, reduces the risk of work piece 21 landing. Moreover, the through hole at the lower end of the protection frame 1 can allow the lifting part 2 to drive the workpiece 21 to enter the protection frame 1, so that the lifting part 2 and the upper end of the workpiece 21 (or the whole workpiece 21) are positioned in the protection frame 1 in the lifting process, and the workpiece 21 can be prevented from colliding with surrounding objects or equipment. If the workpiece 21 accidentally slides down, the upper end of the workpiece 21 is positioned in the protective frame 1, so that the workpiece 21 can be effectively prevented from tilting under the action of the protective frame 1, and the potential safety hazard caused by the fact that the workpiece 21 shakes, slides down and tilts when the workpiece 21 with a longer length is lifted up in the prior art is eliminated.

In this embodiment, the protection frame 1 is configured as a truss structure, so as to improve the rigidity and stability of the protection frame 1.

Specifically, the protection frame 1 includes a first main chord member 3, a second main chord member 4, and web members 5, where the first main chord member 3 and the second main chord member 4 are respectively provided with a pair of first main chord members 3, which are parallel to each other and distributed at intervals, a pair of second main chord members 4, which are parallel to each other and distributed at intervals, and a plane in which the pair of first main chord members 3 and the pair of second main chord members 4 are located are parallel to each other and have a distance.

The web members 5 are disposed between the adjacent first main chords 3, between the adjacent second main chords 4, and between the adjacent first main chords 3 and second main chords 4, and the ends of the web members 5 are fixedly connected to the first main chords 3 or the second main chords 4.

In order to further enhance the rigidity of the protection frame 1, a part of the web members 5 may be perpendicular to the first main chord 3 and the second main chord 4, and the other part of the web members 5 may be inclined with respect to the first main chord 3 and the second main chord 4, so that a plurality of triangular structures may be formed on the protection frame 1, referring to fig. 1.

In this embodiment, the first main chord 3 and the second main chord 4 are parallel to each other and are all arranged along the vertical direction, and at this time, the protection frame 1 has a rectangular quadrangular shape in cross section.

The first roller 6 and the second roller 7 are arranged on the hoisting part 2, so that the rotation axis of the first roller 6 and the rotation axis of the second roller 7 are both arranged along the horizontal direction. The first roller 6 is disposed at a position of the lifting portion 2 facing the first main chord member 3, so that the first roller 6 is in rolling fit with the first main chord member 3. The second roller 7 is disposed at a position of the lifting portion 2 facing the second main chord 4, so that the second roller 7 is in rolling fit with the second main chord 4.

When the lifting part 2 is driven to lift by the driving mechanism, the lifting part 2 is matched with the protective frame 1 through the idler wheels, so that friction force can be reduced, and the lifting resistance of the lifting part 2 is reduced.

The first main chord 3 and the second main chord 4 may be tubular members with rectangular cross sections.

Referring to fig. 3, two sets of first rollers 6 are disposed between the lifting portion 2 and each of the first main chords 3, and two sets of second rollers 7 are disposed between the lifting portion 2 and each of the second main chords 4.

The rotation axes of the two groups of first rollers 6 are perpendicular and respectively matched with two adjacent surfaces of the first main chord member 3, the rotation axes of the two groups of second rollers 7 are perpendicular and respectively matched with two adjacent surfaces of the second main chord member 4, and therefore relative displacement of the hoisting part 2 and the protective frame 1 can be limited in the horizontal direction.

The lifting part 2 in this embodiment comprises a connecting frame 8 and a boom 9, see fig. 4.

The connecting frame 8 is connected with the execution end of the driving mechanism and is used for being in sliding fit with the protection frame 1. Specifically, the connection frame 8 may be provided in a cube shape.

The boom 9 is provided at the lower end of the link 8, and is used for lifting the workpiece 21. The boom 9 extends downward, and has a bent portion at a lower end of the boom 9 to form a hook shape for lifting the workpiece 21.

It should be noted that, the boom 9 may directly hoist the workpiece 21, or may connect the workpiece 21 by using the tool 22. A positioning structure can be further arranged at the lower end of the suspension arm 9 and used for acting with the tool 22 or the workpiece 21 to position the relative position of the tool 22 or the workpiece 21 and the suspension arm 9. The positioning structure needs to be determined according to the structure of the tool 22 or the workpiece 21, and will not be described herein.

In the embodiment of the utility model, the driving mechanism is arranged in a chain transmission structure mode. Specifically, the driving mechanism comprises a chain transmission assembly and a driving piece 10, wherein the driving piece 10 is used for driving the chain transmission assembly to operate.

The chain transmission assembly comprises a first sprocket 11, a second sprocket 12 and a chain 13, wherein the first sprocket 11 is arranged at the upper end of the protection frame 1, the first sprocket 11 is rotationally connected with the protection frame 1, the second sprocket 12 is arranged at the lower end of the protection frame 1, and the second sprocket 12 is rotationally connected with the protection frame 1. The rotation axis of the first sprocket 11 is parallel to the rotation axis of the second sprocket 12, and the rotation axis of the first sprocket 11 and the rotation axis of the second sprocket 12 are in the same vertical plane. The chain 13 is wound around the outside of the first sprocket 11 and the second sprocket 12, and the first sprocket 11 and the second sprocket 12 are engaged with the chain 13.

The driving member 10 is in transmission connection with the first sprocket 11, or the driving member 10 is in transmission connection with the second sprocket 12, one of the first sprocket 11 and the second sprocket 12 is driven to rotate by the driving member 10, and the other of the first sprocket 11 and the second sprocket 12 can be driven to rotate under the action of the chain 13, so that the operation of the chain transmission assembly is realized.

The lifting part 2 is fixedly connected with the chain 13, and the chain 13 can drive the lifting part 2 to lift in the running process of the chain transmission assembly.

The chain 13 may be an open chain, and after the open chain is looped around the first sprocket 11 and the second sprocket 12, both ends of the open chain are connected to the hanging portion 2, respectively. The chain 13 may be a closed chain, and the closed chain may be looped around the first sprocket 11 and the second sprocket 12, and then the hanging portion 2 may be connected to a suitable position of the closed chain.

In a further embodiment, the driving mechanism includes two sets of chain transmission assemblies, the two sets of chain transmission assemblies are spaced apart, and the chains 13 of the two sets of chain transmission assemblies are parallel. The lifting part 2 is located between two groups of chain transmission components, and chains 13 of the two groups of chain transmission components are fixedly connected with the lifting part 2.

So, two sets of chain drive components drive hoist portion 2 simultaneously in hoist portion 2's both sides and go up and down, are favorable to improving hoist portion 2 lifting process's stationarity, and hoist portion 2 and the weight of work piece 21 that connects are born simultaneously to two sets of chain drive component's chain 13, are favorable to reducing the load of every chain drive component's chain 13 of group, are favorable to prolonging chain drive component's life.

In this embodiment, the driving member 10 is disposed at the upper end of the protection frame 1, so that the driving member 10 is in transmission connection with the first sprocket 11.

The driving member 10 has two output shaft portions, i.e., a first output shaft portion 14 and a second output shaft portion 15, and the first output shaft portion 14 and the second output shaft portion 15 are coaxially provided and rotate in synchronization. The first output shaft portion 14 and the second output shaft portion 15 are arranged between the two sets of chain transmission assemblies, and the first output shaft portion 14 and the second output shaft portion 15 are in driving connection with the first sprockets 11 of the two sets of chain transmission assemblies, respectively.

The same driving piece 10 is utilized to drive the two groups of chain transmission components to operate, so that synchronous lifting of two sides of the lifting part 2 can be ensured, the stability of the lifting part 2 is improved, the problems that the lifting part 2 and the protective frame 1 are blocked and the like due to inconsistent lifting speeds of the two sides of the lifting part 2 are avoided, and the smooth operation of the lifting device is ensured.

One end of the first output shaft portion 14 far away from the driving member 10 is rotatably connected with the protection frame 1, wherein the first sprocket 11 of the chain transmission assembly is sleeved on the first output shaft portion 14. The first output shaft portion 14 is provided with a first limiting assembly and a second limiting assembly, and the first limiting assembly is used for limiting the first sprocket 11 of the chain transmission assembly to rotate relative to the first output shaft portion 14 along the circumferential direction of the first output shaft portion 14, so that the first sprocket 11 of the chain transmission assembly and the first output shaft portion 14 can rotate synchronously. The second limiting assembly is used for limiting the displacement of the first sprocket 11 of the chain transmission assembly relative to the first output shaft portion 14 along the axial direction of the first output shaft portion 14, so as to ensure the stability of the relative positions of the first sprocket 11 and the first output shaft portion 14.

Correspondingly, one end of the second output shaft portion 15 far away from the driving member 10 is rotatably connected with the protection frame 1, and the first sprocket 11 of the other group of chain transmission assemblies is sleeved on the second output shaft portion 15. The second output shaft portion 15 is provided with a first limiting assembly and a second limiting assembly, and the first limiting assembly is used for limiting the first sprocket 11 of the chain transmission assembly to rotate relative to the second output shaft portion 15 along the circumferential direction of the second output shaft portion 15, so that the first sprocket 11 of the chain transmission assembly and the second output shaft portion 15 can rotate synchronously. The second limiting assembly is used for limiting the displacement of the first sprocket 11 of the chain transmission assembly relative to the second output shaft 15 along the axial direction of the second output shaft 15, so as to ensure the stability of the relative positions of the first sprocket 11 and the second output shaft 15.

Specifically, two bearing seats 16 may be provided at the upper end of the protection frame 1, the two bearing seats 16 being disposed opposite to each other for connection with the first output shaft portion 14 and the second output shaft portion 15, respectively.

The connection structure between the first sprocket 11 and the first output shaft portion 14 is the same as the connection structure between the first sprocket 11 and the second output shaft portion 15, and the structure of the first limiting assembly and the second limiting assembly provided on the first output shaft portion 14 is the same as the structure of the first limiting assembly and the second limiting assembly provided on the second output shaft portion 15. The following describes an example of a connection structure between the first sprocket 11 and the first output shaft 14, and a structure of a first stopper assembly and a second stopper assembly provided on the first output shaft 14.

The first sprocket 11 is provided with a shaft hole for engaging with the first output shaft portion 14 at a center position thereof, a first key groove is formed in a side wall of the shaft hole, and the first output shaft portion 14 is provided with a second key groove at a position for engaging with the first sprocket 11. The first limiting assembly comprises a connecting key, and the connecting key can be simultaneously embedded in the first key groove and the second key groove. The relative rotation of the first sprocket 11 and the first output shaft portion 14 can be restricted by the interaction of the connecting key with the side wall of the first key groove and the interaction of the connecting key with the side wall of the second key groove.

The first output shaft portion 14 is provided with a step structure at a position for matching with the first sprocket 11, and the first sprocket 11 is sleeved on the first output shaft portion 14 and abuts against the step structure. The second limiting assembly includes a first lock nut 17, where the first lock nut 17 is screwed with the first output shaft 14, and the first lock nut 17 abuts against the first sprocket 11, as shown in fig. 2. In combination with the interaction between the first sprocket 11 and the step structure and the interaction between the first sprocket 11 and the first lock nut 17, the first sprocket 11 can be restrained from moving relative to the first output shaft portion 14 in the axial direction of the first output shaft portion 14.

A washer may be provided between the first sprocket 11 and the first lock nut 17, and damage to the first sprocket 11 may be prevented when the first lock nut 17 is screwed.

The driving member 10 may, but is not limited to, be a gear motor, and specifically includes a motor and a gear reducer, where an output end of the motor is in driving connection with an input shaft of the gear reducer. The speed reducer can be a hollow shaft speed reducer, and the power output end of the speed reducer is a hollow shaft. At this time, the first output shaft portion 14 and the second output shaft portion 15 may be provided as an integral structure, simply referred to as an integral shaft, which is inserted through the hollow shaft of the speed reducer, and is in driving connection with the hollow shaft of the speed reducer.

Specifically, a key groove is arranged at the position where the integral shaft is matched with the hollow shaft of the speed reducer, and the integral shaft is in transmission connection with the hollow shaft of the speed reducer by key connection.

The integral shaft is provided with a step structure which is propped against the end part of the hollow shaft of the speed reducer, and meanwhile, the other side of the hollow shaft of the speed reducer is provided with a second lock nut 18, so that the second lock nut 18 is in threaded connection with the integral shaft. The combination of the step structure interacting with the end of the hollow shaft of the reducer and the second lock nut 18 interacting with the end of the hollow shaft of the reducer can limit the relative movement of the integral shaft and the hollow shaft of the reducer in the axial direction of the integral shaft.

For the installation of the second sprocket 12 on the protection frame 1, in this embodiment, a mounting seat 19 is provided at the lower end of the protection frame 1, and the mounting seat 19 is fixedly connected with the protection frame 1, as shown in fig. 5. The fixed shaft 20 is arranged on the mounting seat 19, a shaft hole is arranged at the center of the second sprocket 12, the second sprocket 12 is sleeved on the fixed shaft 20, and the second sprocket 12 is in rotary connection with the fixed shaft 20 through a bearing.

On the other hand, the embodiment of the utility model also provides a lifting device, which comprises a moving mechanism and the lifting device provided by any embodiment, wherein the moving mechanism is used for driving the lifting device to displace along the horizontal direction, and lifting of the workpiece 21 are realized through the lifting device and the moving mechanism. The lifting device in the above embodiment can improve the stability of the workpiece 21, reduce the shake of the workpiece 21, reduce the risk of the workpiece 21 sliding down, and also can prevent the workpiece 21 from falling down when the workpiece 21 accidentally slides down, with excellent safety. Therefore, the lifting device in the embodiment also has the advantages of small shaking of the workpiece 21, low sliding probability, no falling of the workpiece 21, and high safety coefficient. The development process of the beneficial effects of the lifting device in the embodiment of the present utility model is substantially similar to that of the lifting device, so that the description thereof will not be repeated here.

The moving mechanism may be, but is not limited to, a gantry crane.

In still another aspect, an embodiment of the present utility model further provides an electroplating system, including the lifting device or the lifting device provided in any one of the foregoing embodiments. All advantages of the lifting device or the lifting device are provided and are not described in detail herein. The development process of the beneficial effects of the electroplating system in the embodiment of the utility model is substantially similar to that of the lifting device or the lifting device, so that the description thereof is omitted herein.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a elevating gear, its characterized in that includes protection frame, hoist and mount portion and actuating mechanism, wherein:

2. The lifting device of claim 1, wherein the guard frame comprises a first main chord, a second main chord, and a web;

3. The lifting device of claim 2, wherein the first main chord and the second main chord are parallel to each other and are each disposed in a vertical direction;

4. A lifting device as recited in claim 3, wherein the first and second main chords are rectangular in cross-sectional shape;

5. The lifting device according to claim 1, wherein the lifting portion comprises a connecting frame for sliding fit with the protective frame and a boom for lifting the workpiece, the connecting frame is connected with the actuating end of the driving mechanism, and the boom is disposed at the lower end of the connecting frame.

6. The lifting device of claim 1, wherein the drive mechanism comprises a chain drive assembly and a drive for driving the chain drive assembly into operation;

7. The lifting device according to claim 6, wherein two groups of chain transmission assemblies are arranged, the two groups of chain transmission assemblies are distributed at intervals, the hoisting parts are positioned between the two groups of chain transmission assemblies, and the chains of the two groups of chain transmission assemblies are fixedly connected with the hoisting parts.

8. The lifting device according to claim 7, wherein the driving member is disposed at an upper end of the protection frame, the driving member has a first output shaft portion and a second output shaft portion disposed between the two sets of chain transmission assemblies, the first output shaft portion and the second output shaft portion are coaxially disposed and synchronously rotate, and the first output shaft portion and the second output shaft portion are respectively connected with the first sprockets of the two sets of chain transmission assemblies in a transmission manner.

9. A lifting device comprising a lifting means and a moving mechanism for driving the lifting means to move horizontally, the lifting means being as claimed in any one of claims 1 to 8.

10. An electroplating system comprising a lifting device according to any one of claims 1 to 8 or comprising a lifting apparatus according to claim 9.