CN109279506B

CN109279506B - Hoisting device

Info

Publication number: CN109279506B
Application number: CN201811353414.7A
Authority: CN
Inventors: 盛文理
Original assignee: Wenling Shengkai Logistics Equipment Technology Co ltd
Current assignee: Wenling Shengkai Logistics Equipment Technology Co ltd
Priority date: 2018-11-14
Filing date: 2018-11-14
Publication date: 2024-05-24
Anticipated expiration: 2038-11-14
Also published as: CN109279506A

Abstract

The invention belongs to the technical field of machinery, in particular to a lifting device; the driving shaft and the driven shaft are arranged on the main body in parallel at intervals, the driving gear and the driven gear are respectively arranged on the driving shaft and the driven shaft and are in direct or indirect meshed transmission, the driving gear and the driven gear reversely rotate, the driving shaft or the driven shaft is connected with the reduction gearbox, the reduction gearbox is driven by the motor I, lifting chain wheels are respectively arranged on the driving shaft and the driven shaft, a chain is hung on the corresponding lifting chain wheels, the middle part of the chain automatically sags from between the two lifting chain wheels, a hook I and a hook II are respectively arranged at two ends of the chain, a hook III and a hook IV are arranged at the middle part of the chain, the hook III and the hook IV can move on the chain, the action of the motor I is controlled by the controller, and the controller is powered by a power supply; according to the invention, two groups of hooks are arranged on one chain, so that the effects of lifting and packing are respectively realized, and the use effect is good.

Description

Hoisting device

Technical field:

The invention belongs to the technical field of machinery, and particularly relates to a lifting device.

The background technology is as follows:

Hoisting devices are commonly used in some applications where heavy loads are to be handled. The invention patent application with the publication number of CN 106553966A discloses a lifting device, which consists of lifting equipment and a conveying device; the lifting equipment is provided with a motor, and the motor is used for decelerating the rotating machine through a connecting wire; the conveying device is provided with a rail, the rail is provided with a speed reduction rotating machine, and the speed reduction rotating machine is connected with the bracket through a steel wire. The lifting device is connected with the claw through a lifting rope, the lifting rope is connected to the lifting device through a ring buckle, and the ring buckle is fixedly connected with the steel wire. The lifting device has only one claw, and when lifting the article, the lifting device can only lift the article and cannot perform the packing operation.

The invention comprises the following steps:

the invention aims to provide a lifting device with lifting and packing functions.

The invention is realized in the following way:

a lifting device comprises a main body, wherein a driving shaft and a driven shaft are arranged on the main body in parallel and at intervals, a driving gear and a driven gear are respectively arranged on the driving shaft and the driven shaft, the driving gear and the driven gear are in direct or indirect meshing transmission, the driving gear and the driven gear reversely rotate, the driving shaft or the driven shaft is connected with a reduction gearbox, the reduction gearbox is driven by a motor I, lifting chain wheels which synchronously rotate along with the driving shaft and the driven shaft are respectively arranged on the driving shaft and the driven shaft, a chain is hung on the corresponding lifting chain wheels, the middle part of the chain automatically sags from between the two lifting chain wheels, a hook I and a hook II are respectively arranged at two ends of the chain, a hook III and a hook IV are arranged in the middle part of the chain, the hook III and the hook IV can move on the chain, the action of the motor I is controlled by a controller, and the controller is powered by a power supply.

In the lifting device, the lifting chain wheels are located in the main body, and chain channels are formed in the main body at positions corresponding to the lifting chain wheels.

In the above lifting device, the power supply and the controller are arranged in a box body, and the box body is fixed on the main body.

In the above lifting device, the main body is provided with a central bearing shaft, the central bearing shaft penetrates through the main body and is rotatably connected with the main body, and the upper end of the central bearing shaft is connected with the mounting seat.

In the lifting device, the installation seat comprises a front installation seat and a rear installation seat which are arranged front and back, the front installation seat and the rear installation seat are symmetrically and alternately arranged, the adjacent ends of the front installation seat and the rear installation seat downwards extend to form vertical plates, the upper end of the central bearing shaft is a connector, and the connector is positioned between the vertical plates of the front installation seat and the rear installation seat and is fixedly connected with the connecting pin shaft through the vertical plates penetrating through the front installation seat, the connector and the vertical plates of the rear installation seat in sequence.

In the above hoisting device, the mounting seat is fixedly connected with a left roller seat and a right roller seat, the left roller seat and the right roller seat are positioned on the left side and the right side of the spandrel girder, the left roller seat and the right roller seat are respectively provided with a left roller group and a right roller group, and the left roller group and the right roller group are arranged on the spandrel girder in a rolling way.

In the above-mentioned hoisting device, one of the left roller set and the right roller set comprises a first roller and a second roller which are arranged at intervals, the first roller and the second roller comprise a roller part and a gear part which are of an integrated or split structure, the roller part is arranged on the spandrel girder in a rolling way, the two gear parts are in meshed transmission through an intermediate gear, the first roller or the second roller is driven by a second motor to roll, and the other roller set of the left roller set and the right roller set comprises more than two rollers.

In the lifting device, the main body is driven by a manual pulling chain to rotate around the central bearing shaft; or the main body is driven by a motor III to rotate around a central bearing shaft.

In the lifting device, the third hook and the fourth hook are connected with the chain through the chain wheel.

In the lifting device, the hook parts of the first hook and the second hook are arranged outwards; the hook parts of the third hook and the fourth hook are all arranged outwards.

Compared with the prior art, the invention has the outstanding advantages that:

1. the controller and the power supply are arranged in the box body, the circuit does not stretch along the spandrel girder along with the lifting device, and compared with the prior art in which a drag chain and the like are required to be arranged for protecting the circuit, the invention has the advantages of simple structure and low failure rate.

2. According to the invention, two groups of hooks are arranged on one chain, the first hook is matched with the second hook for use, the third hook is matched with the fourth hook for use, the lifting and packing effects are respectively realized, two different lifting modes are realized by one chain, the occupied space is small, the use is convenient, and the lifting height of an object is improved.

3. The lifting device can rotate, is convenient for rotating the direction of objects, and is not limited by space in arrangement during loading and unloading, so that the stacking is tidy.

Description of the drawings:

FIG. 1 is a schematic illustration of the present invention;

FIG. 2 is an enlarged partial schematic view of the present invention;

FIG. 3 is a schematic view of the third and fourth hooks of the present invention disposed on a chain;

FIG. 4 is a schematic top view of the lifting device of the present invention;

FIG. 5 is a schematic illustration of the connection of the center bearing shaft to the mount of the present invention;

FIG. 6 is a schematic diagram of a left or right roller set of the present invention;

FIG. 7 is a schematic view of the lifting sprocket, driving gear, driven gear and motor of the present invention disposed on a main body;

FIG. 8 is a top view of FIG. 7;

Fig. 9 is a cross-sectional view A-A of fig. 8.

In the figure: 1. a main body; 2. a driving shaft; 3. a driven shaft; 4. a drive gear; 5. a driven gear; 6. a reduction gearbox; 7. a first motor; 8. a lifting chain wheel; 9. a chain; 10. a first hook; 11. a second hook mounting seat; 12. a third hook; 13. a hook IV; 14. a case; 15. a central bearing shaft; 16. a front mounting base; 17. a rear mounting base; 18. a connecting plate; 19. a right roller seat; 20. a spandrel girder; 21. a roller part; 22. a gear portion; 23. an intermediate gear; 24. a second motor; 25. a chain wheel; 26. a bolt; 27. a nut; 28. a chain channel; 29. a connecting piece; 30. and (5) installing a seat board.

The specific embodiment is as follows:

The invention is further described below with reference to the specific examples, see fig. 1-9:

a lifting device comprises a main body 1, a driving shaft 2 and a driven shaft 3 are arranged on the main body 1 in parallel and at intervals, a driving gear 4 and a driven gear 5 are respectively arranged on the driving shaft 2 and the driven shaft 3, the driving gear 4 and the driven gear 5 are in direct or indirect meshing transmission, an even number of intermediate gears are arranged between the driving gear 4 and the driven gear 5 for transmission during indirect meshing transmission, the purpose is to enable the driving gear 4 and the driven gear 5 to reversely rotate, and the driving gear 4 and the driven gear 5 are preferably in direct transmission in the embodiment. The driving shaft 2 or the driven shaft 3 is connected with the reduction gearbox 6, the reduction gearbox 6 is driven by a first motor 7, lifting chain wheels 8 which rotate synchronously with the driving shaft 2 and the driven shaft 3 are respectively arranged on the driving shaft 2 and the driven shaft 3, a chain 9 is hung on the corresponding lifting chain wheels 8, the middle part of the chain 9 automatically sags from between the two lifting chain wheels 8, a first hook 10 and a second hook 11 are respectively arranged at two ends of the chain 9, a third hook 12 and a fourth hook 13 are arranged at the middle part of the chain 9, the third hook 12 and the fourth hook 13 can move on the chain 9, the action of the first motor 7 is controlled by a controller, and the controller is powered by a power supply.

Further, the lifting sprockets 8 are located in the main body 1, and a chain channel 28 is provided in the main body 1 at a position corresponding to each lifting sprocket 8. The chain channel 28 is in an arch shape with a downward opening, and the chain channel 28 can ensure that the chain 9 can be lifted and lowered orderly.

The hooks of the first hook 10 and the second hook 11 are arranged outwards. The hook parts of the third hook 12 and the fourth hook 13 are arranged outwards. Compared with the chain at the upper end of the traditional hook, the chain is at a point or is relatively close to the chain, and a triangular structure is formed between the chain and an article during lifting, so that the lifting height is influenced. When the first hook 10 and the second hook 11 are lifted, the chain 9 is separated by the lifting chain wheel 8, so that a triangle structure is not formed between the chain and an object, and the lifting height of the object is improved. Likewise, the hook III 12 and the hook IV 13 can also lift the lifting height of the object.

The first hook 10, the second hook 11, the third hook 12 and the fourth hook 13 are arranged on the same chain 9, and the first hook 10 and the second hook 11 are driven to ascend through the reverse rotation of the two lifting chain wheels 8, so that the third hook 12 and the fourth hook 13 descend; otherwise, the first hook 10 and the second hook 11 descend, and the third hook 12 and the fourth hook 13 ascend.

Further, the third hook 12 and the fourth hook 13 are connected with the chain 9 through a chain wheel 25. Openings are formed in the upper parts of the third hook 12 and the fourth hook 13, the chain wheel 25 is rotatably arranged in the openings through bolts 26 and nuts 27, and the chain 9 passes through gaps among the third hook 12, the fourth hook 13 and the chain wheel 25, so that the third hook 12 and the fourth hook 13 are hung on the chain 9. The third hook 12 and the fourth hook 13 can be detached from the chain 9 by detaching the bolts 26 and the nuts 27, and the disassembly and the assembly are convenient.

The first hook 10 and the second hook 11 are only used for hoisting, and the third hook 12 and the fourth hook 13 can perform bundling and hoisting actions.

Further, the power supply and the controller are arranged in the box 14, and the box 14 is fixed on the main body 1. The power supply is a charging power supply, and the power supply can be charged in the running process of the truck. The case 14 is fixedly connected to the main body 1 by screws, or may be fixedly connected by welding or the like.

In order to realize the rotation of main part 1, be provided with central bearing axle 15 on the main part 1, central bearing axle 15 runs through main part 1 and sets up, and rotates with main part 1 to be connected, and the lower extreme of central bearing axle 15 carries out spacingly through nut and cotter pin, and the upper end of central bearing axle 15 is connected with the mount pad.

Since the hoisting device is suspended from the mounting base by the central bearing shaft 15, the problem of the center of gravity needs to be taken into account. Therefore, the box body 14 is L-shaped, so that the central bearing shaft 15 is positioned at the central position of the lifting device, and stable lifting is ensured.

Specifically, the mounting base comprises a front mounting base 16 and a rear mounting base 17 which are arranged front and back, the front mounting base 16 and the rear mounting base 17 are symmetrically and alternately arranged, vertical plates extend downwards from adjacent ends of the front mounting base 16 and the rear mounting base 17, a connector 18 is arranged at the upper end of the central bearing shaft 15, and the connector 18 is positioned between the vertical plates of the front mounting base 16 and the rear mounting base 17 and fixedly connected through a connecting piece 29. The connecting piece 29 may be a pin shaft, and cotter pins are respectively arranged at two ends of the pin shaft for limiting, or a bolt, a nut, etc.

Further, the main body 1 is turned in two ways: the main body 1 is manually pulled to drive the chain 9 to rotate around the central bearing shaft 15, and during operation, a worker grabs the chain 9 to drive the lifting device to swing so as to rotate 360 degrees around the central bearing shaft 15; alternatively, the main body 1 is driven by a motor three to rotate about a central bearing shaft 15.

Since the case, the driving gear 4, the driven gear 5, the reduction gearbox 6 and the motor 7 are all mounted on the main body 1, that is, rotate with the main body 1. Therefore, the purpose of the rotation of the lifting device is to conveniently rotate the direction of the object, the arrangement is not limited by space during loading and unloading, the binding force of loading is improved, and the stacking is tidy.

Further, the mounting seat is fixedly connected with a left roller seat and a right roller seat 19, the left roller seat and the right roller seat 19 are positioned at the left side and the right side of the spandrel girder 20, the left roller seat and the right roller seat 19 are respectively provided with a left roller group and a right roller group, and the left roller group and the right roller group are arranged on the spandrel girder 19 in a rolling way.

Further, one of the left and right roller sets includes two rollers, i.e., a first roller and a second roller, which are disposed at intervals, each of the first and second rollers includes a roller portion 21 and a gear portion 22, which are integrally or separately formed, the roller portion 21 is disposed on the spandrel girder 19 in a rolling manner, the two gear portions 22 are engaged with each other by an intermediate gear 23 to drive the first and second rollers in the same direction, and the first or second roller is driven by a second motor 24 to roll, and the other roller set of the left and right roller sets includes more than two rollers.

The first roller, the second roller and the intermediate gear 23 are respectively arranged on one side of the mounting seat board 30 through a first rotating shaft, a second rotating shaft and a third rotating shaft, and the second motor 24 is arranged on the other side of the mounting seat board 30.

In order to limit the forward and backward movement limit position of the hoisting device on the hoisting beam, limit devices or travel switches are respectively arranged at two ends of the spandrel girder 19. When the travel switch is used, the second motor stops working after the corresponding travel switch is touched. When the limiting device is used, the second motor needs to be observed and controlled manually. The invention is equipped with the action of each motor of the hand controller.

The above embodiment is only one of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, therefore: all equivalent changes in shape, structure and principle of the invention should be covered in the scope of protection of the invention.

Claims

1. A hoisting device, characterized in that: including main part (1), parallel and interval are provided with driving shaft (2) and driven shaft (3) on main part (1), be provided with driving gear (4) and driven gear (5) on driving shaft (2) and driven shaft (3) respectively, driving gear (4) and driven gear (5) direct or indirect meshing transmission, driving gear (4), driven gear (5) reverse rotation, driving shaft (2) are connected with reducing gear box (6), reducing gear box (6) are driven by motor one (7), be provided with respectively on driving shaft (2) and driven shaft (3) with driving shaft (2), driven shaft (3) synchronous pivoted lifting sprocket (8), chain (9) hang to establish on corresponding lifting sprocket (8), the middle part of chain (9) is followed from two automatic whereabouts between lifting sprocket (8), be provided with couple one (10) and couple two (11) respectively at the middle part of chain (9), be provided with couple three (12) and four (13) in the middle part of couple three (12) and four (13) can remove on motor one (9), by the controller of couple action, by the power supply action.

2. A lifting device according to claim 1, characterized in that: the lifting chain wheels (8) are positioned in the main body (1), and chain channels (28) are arranged on the main body (1) at positions corresponding to the lifting chain wheels (8).

3. A lifting device according to claim 1, characterized in that: the power supply and the controller are arranged in the box body (14), and the box body (14) is fixed on the main body (1).

4. A lifting device according to claim 1 or 2 or 3, characterized in that: the main body (1) is provided with a central bearing shaft (15), the central bearing shaft (15) penetrates through the main body (1) and is rotationally connected with the main body (1), and the upper end of the central bearing shaft (15) is connected with the mounting seat.

5. The lifting device of claim 4, wherein: the mounting seat comprises a front mounting seat (16) and a rear mounting seat (17), wherein the front mounting seat (16) and the rear mounting seat (17) are arranged symmetrically and at intervals, the adjacent ends of the front mounting seat (16) and the rear mounting seat (17) downwards extend to form vertical plates, the upper end of a central bearing shaft (15) is a connector (18), and the connector (18) is positioned between the vertical plates of the front mounting seat (16) and the rear mounting seat (17) and fixedly connected with a connecting piece (29) of the vertical plates of the front mounting seat (16), the connector (18) and the rear mounting seat (17) through penetrating through the vertical plates of the front mounting seat (16) in sequence.

6. The lifting device of claim 4, wherein: the mounting seat is fixedly connected with a left roller seat and a right roller seat (19), the left roller seat and the right roller seat (19) are positioned on the left side and the right side of the spandrel girder (20), the left roller seat and the right roller seat (19) are respectively provided with a left roller group and a right roller group, and the left roller group and the right roller group are arranged on the spandrel girder (20) in a rolling way.

7. The lifting device of claim 6, wherein: one of the left roller set and the right roller set comprises a first roller and a second roller which are arranged at intervals, each of the first roller and the second roller comprises a roller part (21) and a gear part (22) which are of an integral or split structure, the roller parts (21) are arranged on the spandrel girder (20) in a rolling way, the two gear parts (22) are in meshed transmission through an intermediate gear (23), the first roller or the second roller is driven to roll by a second motor (24), and the other roller set of the left roller set and the right roller set comprises more than two rollers.

8. The lifting device of claim 4, wherein: the main body (1) is driven by a manual pulling chain (9) to rotate around a central bearing shaft (15); or the main body (1) is driven by a motor three to rotate around a central bearing shaft (15).

9. A lifting device according to claim 1, characterized in that: the third hook (12) and the fourth hook (13) are connected with the chain (9) through a chain wheel (25).

10. A lifting device according to claim 1, characterized in that: the hook parts of the first hook (10) and the second hook (11) are outwards arranged; the hook parts of the third hook (12) and the fourth hook (13) are outwards arranged.