CN219567358U - Double-lifting-point crane - Google Patents
Double-lifting-point crane Download PDFInfo
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- CN219567358U CN219567358U CN202320940311.0U CN202320940311U CN219567358U CN 219567358 U CN219567358 U CN 219567358U CN 202320940311 U CN202320940311 U CN 202320940311U CN 219567358 U CN219567358 U CN 219567358U
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Abstract
The utility model relates to the technical field of cranes, and particularly discloses a double-lifting-point crane which comprises two groups of cross beams and two groups of mobile carts; the movable vehicle comprises a vehicle frame and a plurality of movable wheels arranged on the vehicle frame, a guide rail groove corresponding to the movable wheels is arranged on the cross beam, a driving piece for driving the movable wheels to rotate is arranged on the vehicle frame, and the bottom of the driving piece is connected with a lifting mechanism; the sides of the two groups of frames, which are close to each other, are connected with a protection plate through a buffer piece; according to the utility model, the two groups of moving carts are arranged, and the positions of the two groups of moving carts are adjusted on the cross beam, so that the positions between the two groups of lifting hooks can be conveniently adjusted, and the crane can conveniently hoist materials; the frames of the two groups of moving vehicles are connected with the protection plate through the buffer piece, so that the limiting and protecting effects can be achieved, the two groups of frames are prevented from being in direct contact when approaching, and the condition that the two groups of moving vehicles are damaged by impact is reduced.
Description
Technical Field
The utility model relates to the technical field of cranes, in particular to a double-lifting-point crane.
Background
Bridge cranes generally refer to cranes with two main beams, are used for hoisting heavy materials, and sometimes can choose a crane with double hoisting points for hoisting according to different sizes of the materials.
For example, in a fixed double-lifting-point double-beam crane disclosed in the prior patent publication No. CN217867800U, the crane comprises a support, an underframe and a travelling car, wherein the support is fixedly connected to the top of the underframe, the top of the support is fixedly connected with an end beam, one side of the end beam is fixedly connected with a cross beam, the cross beam is of a double-beam structure, a sliding groove is formed in the outer side of the cross beam, the travelling car is in sliding connection with the cross beam, a winch is fixedly connected with the surface of the travelling car, a lifting hook pulley is connected to the bottom of a steel wire rope of the winch, a double-hook lifting hook is arranged at the bottom of the lifting hook pulley, an air pump box is arranged on the outer side of the travelling car, an air nozzle is arranged in the travelling car through the arrangement of the double-hook lifting hook and a pressure sensor, and when the crane is used, the crane can hook through two hooks, the two groups of winches are matched to work, and the double-hook lifting hook is adjusted.
The crane is provided with double lifting points for lifting operation, but two groups of winches are positioned on the same group of travelling trolleys, the distance between the two groups of lifting points is fixed, and the hoisting operation is inconvenient to actually adjust according to lifting cargoes and needs to be improved. Aiming at the problems, a double-lifting-point crane is provided.
Disclosure of Invention
The utility model aims to provide a double-hoisting-point crane, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a double-lifting-point crane comprises two groups of cross beams and two groups of mobile carts;
the movable trolley comprises a trolley frame and a plurality of movable wheels arranged on the trolley frame, a guide rail groove corresponding to the movable wheels is formed in the cross beam, a driving piece for driving the movable wheels to rotate is arranged on the trolley frame, and the bottom of the driving piece is connected with a lifting mechanism;
and one sides of the two groups of frames, which are close to each other, are connected with the protection plate through the buffer parts.
In one alternative: the hoisting mechanism comprises an electric hoist arranged at the bottom of the frame, a steel wire rope is arranged on the electric hoist, and a lifting hook is connected to the steel wire rope.
In one alternative: the buffer piece comprises three groups of fixed barrels, an extension rod is arranged in the fixed barrels in a sliding mode, one end of the extension rod, which extends to the inner cavity of the fixed barrel, is connected with a spring, one end of the spring, which is far away from the extension rod, is connected with the fixed barrels, one end of the extension rod, which is far away from the fixed barrels, is connected with a protection plate, a fixed plate is connected to one group of fixed barrels, and the fixed plate is connected with a frame through a bolt.
In one alternative: one side of each of the two groups of protection plates, which is close to each other, is connected with a rubber pad.
In one alternative: both ends of the guide rail groove are not communicated with the outside.
In one alternative: the ends of the two groups of cross beams are connected with the supporting seat.
In one alternative: the lifting hook comprises a mounting seat and a pulley rotatably mounted on the mounting seat, the pulley is connected with a steel wire rope, the bottom of the mounting seat is rotatably connected with a rotating cylinder, the bottom of the rotating cylinder is connected with two groups of branch cylinders, a steel wire rope is connected in the branch cylinders, and one end, far away from the branch cylinders, of the steel wire rope is connected with a hook.
In one alternative: and a reinforcing rod is connected between the bottom ends of the two groups of branch cylinders.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the two groups of moving carts are arranged, and the positions of the two groups of moving carts are adjusted on the cross beam, so that the positions between the two groups of lifting hooks can be conveniently adjusted, and the crane can conveniently hoist materials;
according to the utility model, the frames of the two groups of moving vehicles are connected with the protection plate through the buffer parts, so that the limiting and protection effects can be realized, the direct contact of the two groups of frames when the two groups of frames are close is avoided, and the condition that the two groups of moving vehicles are damaged by impact is reduced;
according to the utility model, the two groups of hooks are arranged in the lifting hook, so that the contact point between the crane and the material can be increased, and the stability of lifting the material is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of a partial structure of the present utility model.
Fig. 3 is a schematic structural view of a protection plate and a buffer member in the present utility model.
Fig. 4 is a schematic structural view of a hook according to the present utility model.
In the figure: 11. a cross beam; 12. a support base; 13. a moving vehicle; 14. a lifting hook; 15. a guide rail groove; 16. a frame; 17. a driving member; 18. a moving wheel; 19. a protection plate; 20. an electric hoist; 21. a wire rope; 22. an extension rod; 23. a fixed cylinder; 24. a fixing plate; 25. a pulley; 26. a mounting base; 27. a rotating cylinder; 28. a branching cylinder; 29. a reinforcing rod; 30. a steel rope; 31. a hook.
Detailed Description
Example 1
Referring to fig. 1-3, in an embodiment of the present utility model, a dual-hoisting-point crane includes two sets of beams 11 and two sets of moving vehicles 13;
the movable trolley 13 comprises a frame 16 and a plurality of movable wheels 18 arranged on the frame 16, and a guide rail groove 15 corresponding to the movable wheels 18 is arranged on the cross beam 11; the guide rail groove 15 is arranged, so that the moving wheel 18 can stably walk, and the transverse movement of the moving vehicle 13 in the vertical direction of the guide rail groove 15 is reduced;
the frame 16 is provided with a driving piece 17 for driving the moving wheel 18 to rotate, and the bottom of the driving piece 17 is connected with a lifting mechanism; the driving member 17 may be a combination of existing components such as an existing motor and a decelerator, and is mainly used for controlling the traveling of the moving wheel 18; the moving wheel 18 can roll in the guide rail groove 15;
the sides of the two groups of frames 16, which are close to each other, are connected with a protection plate 19 through a buffer piece; the protection plate 19 can play a role in limiting and protecting, so that the two groups of frames 16 are prevented from being in direct contact when approaching, and the situation that the two groups of moving vehicles 13 are damaged by impact is reduced.
The hoisting mechanism comprises an electric hoist 20 arranged at the bottom of the frame 16, a steel wire rope 21 is arranged on the electric hoist 20, and the steel wire rope 21 is connected with a lifting hook 14; the electric hoist 20 is an existing device, and the utility model is not described in detail;
the electric hoist 20 is operated to take up and pay off the wire rope 21, thereby adjusting the height of the hook 14.
The buffer part comprises three groups of fixed cylinders 23, an extension rod 22 is arranged in the fixed cylinders 23 in a sliding manner, one end of the extension rod 22 extending to the inner cavity of the fixed cylinders 23 is connected with a spring, one end of the spring, which is far away from the extension rod 22, is connected with the fixed cylinders 23, one end of the extension rod 22, which is far away from the fixed cylinders 23, is connected with a protection plate 19, one group of fixed cylinders 23 is connected with a fixed plate 24, and the fixed plate 24 is connected with the frame 16 through bolts;
when the distance between the two groups of moving vehicles 13 is too short, the protection plates 19 are in contact, when the two groups of protection plates 19 are extruded, the extension rod 22 extrudes the spring in the fixed cylinder 23, the impact on the moving vehicles 13 when approaching is reduced, and meanwhile, detection parts such as distance sensors can be arranged on the protection plates 19, so that when the two groups of protection plates 19 approach, a person can timely adjust the positions of the two groups of moving vehicles 13.
One side of each of the two groups of protection plates 19, which is close to each other, is connected with a rubber pad; reducing the rigid impact of the two sets of shields 19 when in contact.
Both ends of the guide rail groove 15 are not communicated with the outside; the movement of the moving wheel 18 is prevented from being excessively moved when the moving vehicle 13 moves.
The ends of the two groups of cross beams 11 are connected with a supporting seat 12; the support base 12 can be erected on the existing support column, and the erection height is selected according to actual construction requirements.
In this embodiment, the driving member 17 drives the moving wheel 18 to rotate, the moving vehicle 13 can move on the beam 11 to adjust the position, the electric hoist 20 works, and the wire rope 21 can be wound and unwound, so as to adjust the height of the hooks 14, adjust the heights of the two groups of hooks 14 and the distance between the two groups of hooks 14, and facilitate the hoisting operation.
Example 2
Referring to fig. 4, unlike the embodiment 1, the hook 14 includes a mounting seat 26 and a pulley 25 rotatably mounted on the mounting seat 26, the pulley 25 is connected with a wire rope 21, the bottom of the mounting seat 26 is rotatably connected with a rotating cylinder 27, the bottom of the rotating cylinder 27 is connected with two sets of branch cylinders 28, the branch cylinders 28 are connected with a wire rope 30, and one end of the wire rope 30 far away from the branch cylinders 28 is connected with a hook 31;
a reinforcing rod 29 is connected between the bottom ends of the two groups of branch cylinders 28;
in this embodiment, the setting of two sets of couple 31 can increase the contact point of hoist and material, improves the stability of material hoist and mount, and the rotation section of thick bamboo 27 can rotate along the axis of rotation section of thick bamboo 27 and adjust the position, conveniently adjusts the horizontal position of couple 31 and hoist and mount.
Claims (8)
1. A double-lifting-point crane comprises two groups of cross beams (11) and two groups of mobile vehicles (13);
the method is characterized in that: the movable trolley (13) comprises a trolley frame (16) and a plurality of movable wheels (18) arranged on the trolley frame (16), a guide rail groove (15) corresponding to the movable wheels (18) is formed in the cross beam (11), a driving piece (17) for driving the movable wheels (18) to rotate is arranged on the trolley frame (16), and the bottom of the driving piece (17) is connected with a lifting mechanism;
the sides of the two groups of frames (16) close to each other are connected with a protection plate (19) through a buffer piece.
2. A double hoisting point crane according to claim 1, characterized in that: the hoisting mechanism comprises an electric hoist (20) arranged at the bottom of the frame (16), a steel wire rope (21) is arranged on the electric hoist (20), and a lifting hook (14) is connected to the steel wire rope (21).
3. A double hoisting point crane according to claim 1, characterized in that: the buffer piece comprises three groups of fixed cylinders (23), an extension rod (22) is arranged in the fixed cylinders (23) in a sliding mode, one end, extending to the inner cavity of the fixed cylinders (23), of the extension rod (22) is connected with a spring, one end, away from the extension rod (22), of the spring is connected with the fixed cylinders (23), one end, away from the fixed cylinders (23), of the extension rod (22) is connected with a protection plate (19), a fixed plate (24) is connected to one group of fixed cylinders (23), and the fixed plate (24) is connected with a frame (16) through bolts.
4. A double hoisting point crane according to claim 1, characterized in that: the sides of the two groups of protection plates (19) close to each other are connected with rubber pads.
5. A double hoisting point crane according to claim 1, characterized in that: both ends of the guide rail groove (15) are not communicated with the outside.
6. A double hoisting point crane according to claim 1, characterized in that: the ends of the two groups of cross beams (11) are connected with a supporting seat (12).
7. A double hoisting point crane according to claim 2, characterized in that: the lifting hook (14) comprises a mounting seat (26) and a pulley (25) rotatably mounted on the mounting seat (26), the pulley (25) is connected with a steel wire rope (21), the bottom of the mounting seat (26) is rotatably connected with a rotating cylinder (27), the bottom of the rotating cylinder (27) is connected with two groups of branch cylinders (28), a steel wire rope (30) is connected in the branch cylinders (28), and one end of the steel wire rope (30) away from the branch cylinders (28) is connected with a hook (31).
8. The double-hoisting point crane as claimed in claim 7, wherein: a reinforcing rod (29) is connected between the bottom ends of the two groups of branch cylinders (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320940311.0U CN219567358U (en) | 2023-04-24 | 2023-04-24 | Double-lifting-point crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320940311.0U CN219567358U (en) | 2023-04-24 | 2023-04-24 | Double-lifting-point crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219567358U true CN219567358U (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320940311.0U Active CN219567358U (en) | 2023-04-24 | 2023-04-24 | Double-lifting-point crane |
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| Country | Link |
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| CN (1) | CN219567358U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117923355A (en) * | 2024-03-25 | 2024-04-26 | 贵州省公路工程集团有限公司 | Method and device for reducing friction and positioning by longitudinally moving hoisting roller of heavy component of suspension bridge |
-
2023
- 2023-04-24 CN CN202320940311.0U patent/CN219567358U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117923355A (en) * | 2024-03-25 | 2024-04-26 | 贵州省公路工程集团有限公司 | Method and device for reducing friction and positioning by longitudinally moving hoisting roller of heavy component of suspension bridge |
| CN117923355B (en) * | 2024-03-25 | 2024-06-04 | 贵州省公路工程集团有限公司 | Method and device for reducing friction and positioning by longitudinally moving hoisting roller of heavy component of suspension bridge |
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