CN221343687U - Bridge construction prefabricated component lifting device - Google Patents
Bridge construction prefabricated component lifting device Download PDFInfo
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- CN221343687U CN221343687U CN202323248129.8U CN202323248129U CN221343687U CN 221343687 U CN221343687 U CN 221343687U CN 202323248129 U CN202323248129 U CN 202323248129U CN 221343687 U CN221343687 U CN 221343687U
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- sleeve
- piece
- rotating shaft
- telescopic support
- bridge construction
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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000005484 gravity Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model relates to bridge construction prefabricated part hoisting equipment which comprises a base, wherein a fixed column is fixedly arranged on the base, a sleeve is hinged to one side of the fixed column, a crane arm is slidably arranged in the sleeve, and a connecting column is fixedly arranged on the crane arm; the driving piece is arranged on the sleeve and connected with the connecting column, and is used for realizing the extension or retraction of the lifting arm relative to the sleeve; the telescopic support piece is characterized by further comprising a telescopic support piece, one end of the telescopic support piece is connected to the upper part, and the other end of the telescopic support piece is rotatably provided with a connecting block; the transmission piece is connected with the telescopic supporting piece and is connected with a gear rotatably arranged on the connecting column, and the gear is meshed with a rack plate arranged on the sleeve; starting the driving piece to enable the lifting arm to stretch, enabling goods to be sent to a far position, stretching the telescopic supporting piece under the action of the transmission piece in the stretching process of the lifting arm, enabling the gravity center of the lifting device to be kept stable, and avoiding bending of the arm of force due to the fact that the arm of force is too long.
Description
Technical Field
The utility model relates to the technical field of bridge hoisting equipment, in particular to bridge construction prefabricated part hoisting equipment.
Background
In the construction process of the bridge, building cargoes are often required to be hoisted to the opposite sides of the river, the hoisting operation is generally carried out through special hoisting equipment with low water channel transportation efficiency, when the hoisting equipment works, the elongation of the device is required to be continuously adjusted, so that the cargoes are transported to an accurate position,
The invention with the prior authorization bulletin number of CN105858510A comprises a bracket, a stand column, a fixed pulley, a lifting hook, a rope and a lifting machine, wherein the bracket is fixed on the stand column, the fixed pulley is fixed on the bracket, the fixed pulley is sleeved with the rope, one end of the rope is connected with the lifting hook, and the lifting machine is used for adjusting the height and the length of the device so as to lift cargoes.
The invention can play a lifting function in use, but aiming at the goods with larger weight, such as building products for lifting bridges, if the equipment is too large in elongation, the gravity center of the whole equipment can move forward, so that the whole equipment is easy to collapse, and serious safety accidents are caused; therefore, a lifting device capable of adjusting the gravity center of the device needs to be designed on the basis.
Disclosure of utility model
The utility model aims to provide hoisting equipment for bridge construction prefabricated parts, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The bridge construction prefabricated part hoisting equipment comprises a base, wherein a fixed column is fixedly installed on the base, a sleeve is hinged to one side of the fixed column, a hollow groove is formed in the sleeve, a crane arm is slidably installed in the sleeve, and a connecting column is fixed on the crane arm;
The driving piece is arranged on the sleeve and connected with the connecting column, and is used for realizing the extension or retraction of the lifting arm relative to the sleeve;
The telescopic support piece is characterized by further comprising a telescopic support piece, one end of the telescopic support piece is connected to the upper part, a connecting block is rotatably arranged at the other end of the telescopic support piece, and the connecting block is hinged to the connecting column;
The transmission piece is connected with the telescopic supporting piece and is connected with a gear rotatably installed on the connecting column, and the gear is meshed with a rack plate arranged on the sleeve.
As a further scheme of the utility model: the driving piece comprises a driving motor, a first screw rod and a threaded collar, wherein the driving motor is installed on the sleeve, an output shaft of the driving motor is fixedly connected with the first screw rod, and the threaded collar is fixedly connected with the connecting column and is in threaded connection with the first screw rod.
As still further aspects of the utility model: the telescopic support piece comprises a threaded sleeve, a second screw rod, a sliding block and a sliding rod, wherein the threaded sleeve is rotatably installed on the connecting block, the second screw rod is installed in the threaded sleeve in a threaded manner, one end of the second screw rod is hinged with the sliding block, and the sliding block is slidably installed on the sliding rod fixed in the sleeve.
As still further aspects of the utility model: the transmission piece comprises a first rotating shaft, a first belt, a second rotating shaft, a first bevel gear, a second bevel gear, a guide rod and a second belt, wherein the first rotating shaft is fixedly connected with the gear, the second rotating shaft penetrates through and rotates to be installed on the connecting block, the first belt is connected between the first rotating shaft and one side of the second rotating shaft, the first bevel gear is fixedly installed on the other side of the second rotating shaft, the second bevel gear is perpendicular to the second rotating shaft and rotatably installed on one side of the connecting block, the second bevel gear meshed with the first bevel gear is fixedly installed on the guide rod, and the guide rod is connected with the threaded sleeve through the second belt.
As still further aspects of the utility model: the telescopic cylinder is arranged right below the sleeve, the telescopic cylinder is fixed on the fixed column, and the movable end of the telescopic cylinder is hinged with a sliding block arranged in a sliding groove at the bottom of the sleeve in a sliding manner.
As still further aspects of the utility model: one end of the lifting arm is rotatably provided with a fixed pulley;
the crane arm is fixedly provided with a connecting rod which is fixedly connected with the connecting column.
Compared with the prior art, the utility model has the beneficial effects that: when carrying out hoist and mount operation to the goods, make the jib of crane extension through starting the driving piece, make the goods can send the position of far away, at jib of crane extension's in-process, under the effect of driving piece, telescopic support piece also takes place to extend, makes lifting device's focus keep stable, avoids the arm of force too long emergence buckling.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a bridge construction prefabricated part hoisting device.
Fig. 2 is a schematic structural view of a sleeve in an embodiment of a hoisting device for a prefabricated bridge construction member.
Fig. 3 is a schematic structural diagram of a driving member in an embodiment of a hoisting apparatus for a prefabricated bridge construction member.
Fig. 4 is a schematic structural diagram of a transmission member in an embodiment of a hoisting device for a prefabricated bridge construction member.
Fig. 5 is a schematic structural view of a telescopic support in an embodiment of a bridge construction prefabricated part hoisting device.
Fig. 6 is a schematic structural view of another angle of the sleeve in one embodiment of the bridge construction prefabricated part lifting device.
In the figure: 1. a base; 2. fixing the column; 3. a sleeve; 4. a hollow groove; 5. rack plate; 6. a telescopic cylinder; 7. a chute; 8. a driving motor; 9. a first screw rod; 10. a threaded collar; 11. a boom; 12. a connecting rod; 13; a fixed pulley; 14. a gear; 15. a first rotating shaft; 16. a first belt; 17. a second rotating shaft; 18. a first bevel gear; 19. a second bevel gear; 20. a guide rod; 21. a second belt; 22. a threaded sleeve; 23. a second screw rod; 24. a slide block; 25. a slide bar; 26. and (5) connecting the columns.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but 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.
In addition, an element in the present disclosure may be referred to as being "fixed" or "disposed" on another element or being directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Referring to fig. 1 to 6, in an embodiment of the present utility model, a bridge construction prefabricated part hoisting apparatus includes: the lifting device comprises a base 1, wherein a fixed column 2 is fixedly arranged on the base 1, a sleeve 3 is hinged to one side of the fixed column 2, a hollow groove 4 is formed in the sleeve 3, a lifting arm 11 is slidably arranged in the sleeve 3, and a connecting column 26 is fixedly arranged on the lifting arm 11;
A driving member mounted on the sleeve 3 and connected to the connection post 26 for effecting extension or retraction of the boom 11 relative to the sleeve 3;
The telescopic support piece is further included, one end of the telescopic support piece is connected to the 3, the other end of the telescopic support piece is rotatably provided with a connecting block, and the connecting block is hinged to the connecting column 26;
The transmission member is connected with the telescopic support member and is connected with a gear 14 rotatably mounted on the connecting column 26, and the gear 14 is meshed with the rack plate 5 arranged on the sleeve 3.
When carrying out hoist and mount operation to the goods, make cargo boom 11 extension through starting the driving piece, make the goods can send the position of far away, at the in-process that cargo boom 11 extends, under the effect of driving piece, telescopic support piece also takes place to extend, makes lifting device's focus keep stable, avoids the arm of force too long emergence buckling.
The driving piece comprises a driving motor 8, a first screw rod 9 and a threaded collar 10, wherein the driving motor 8 is installed on the sleeve 3, an output shaft of the driving motor 8 is fixedly connected with the first screw rod 9, and the threaded collar 10 is fixedly connected with the connecting column 26 and is in threaded connection with the first screw rod 9.
The driving motor 8 is started, the output shaft of the driving motor 8 drives the first screw rod 9 to rotate, so that the threaded collar 10 and the connecting column 26 move along the axial direction of the first screw rod 9, and meanwhile, the lifting arm 11 also slides in the sleeve 3.
The telescopic support comprises a threaded sleeve 22, a second screw rod 23, a sliding block 24 and a sliding rod 25, wherein the threaded sleeve 22 is rotatably installed on the connecting block, the second screw rod 23 is installed in the threaded sleeve 22 in a threaded manner, one end of the second screw rod 23 is hinged with the sliding block 24, and the sliding block 24 is slidably installed on the sliding rod 25 fixed in the sleeve 3.
When the threaded sleeve 22 rotates, the second screw rod 23 moves along the axial direction of the threaded sleeve 22, and the second screw rod 23 pushes or pulls the sliding block 24 to move along the axial direction of the sliding rod 25 by the force in the horizontal direction;
When the boom 11 is extended, the center of gravity of the equipment is moved forward, so that the equipment cannot fall down due to the forward movement of the center of gravity, the center of gravity is balanced by the movement of the second screw rod 23, and the safety risk of the equipment is reduced.
The transmission piece comprises a first rotating shaft 15, a first belt 16, a second rotating shaft 17, a first bevel gear 18, a second bevel gear 19, a guide rod 20 and a second belt 21, wherein the first rotating shaft 15 is fixedly connected to the gear 14, the second rotating shaft 17 penetrates through and is rotatably installed on the connecting block, the first belt 16 is connected between the first rotating shaft 15 and one side of the second rotating shaft 17, the first bevel gear 18 is fixedly installed on the other side of the second rotating shaft 17, the second bevel gear 19 which is perpendicular to the second rotating shaft 17 and is rotatably installed on the guide rod 20 on one side of the connecting block and is meshed with the first bevel gear 18 is fixedly installed on the guide rod 20, and the guide rod 20 is connected with the threaded sleeve 22 through the second belt 21.
When the connecting column 26 slides, the gear 14 is driven to rotate on the rack plate 5, the first rotating shaft 15 is further driven to rotate, the second rotating shaft 17 is driven to rotate through the first belt 16, the guide rod 20 is driven to rotate through the first bevel gear 18 and the second bevel gear 19, and finally the threaded sleeve 22 is driven to rotate through the second belt 21.
The telescopic cylinder 6 is arranged right below the sleeve 3, the telescopic cylinder 6 is fixed on the fixed column 2, and the movable end of the telescopic cylinder 6 is hinged with a sliding block arranged in a sliding groove 7 at the bottom of the sleeve 3 in a sliding manner.
When carrying out the hoist and mount of goods, in order to make things convenient for the loading and unloading of goods, need adjust the height of couple, therefore the height of sleeve 3 just needs to change, at this moment, promotes sleeve 3 along spout 7 through telescopic cylinder 6 and changes its contained angle with fixed column 2, and then changes the height of couple.
A fixed pulley 13 is rotatably arranged at one end of the lifting arm 11, and a traction rope with one end fixed on the connecting column 26 bypasses the fixed pulley 13 and is fixed with a hook;
the boom 11 is fixedly provided with a connecting rod 12, and the connecting rod 12 is fixedly connected with the connecting column 26.
The connecting rod 12 is fixedly connected with the lifting arm 11 and the connecting column 26, so that the length of the force arm is changed, the connecting point of the lifting arm 11 and the sleeve 3 is not easy to bend, and the safety of the device is improved.
Starting a driving motor 8, driving the first screw rod 9 to rotate by the driving motor 8 so that the threaded collar 10 and the connecting column 26 move along the axial direction of the first screw rod 9, enabling the lifting arm 11 to slide along the sleeve 3, enabling the gear 14 to rotate on the rack plate 5, enabling the first rotating shaft 15 to rotate, driving the second rotating shaft 17 to rotate through the first belt 16, driving the guide rod 20 to rotate through the first bevel gear 18 and the second bevel gear 19, and enabling the threaded sleeve 22 to rotate through the second belt 21;
When the threaded sleeve 22 rotates, the second screw rod 23 moves along the axial direction of the threaded sleeve 22, and the second screw rod 23 pushes or pulls the sliding block 24 to move along the axial direction of the sliding rod 25 by the force in the horizontal direction.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The bridge construction prefabricated part hoisting equipment is characterized by comprising a base (1), wherein a fixed column (2) is fixedly installed on the base (1), a sleeve (3) is hinged to one side of the fixed column (2), a hollow groove (4) is formed in the sleeve (3), a crane boom (11) is slidably installed in the sleeve (3), and a connecting column (26) is fixedly arranged on the crane boom (11);
A driving member mounted on the sleeve (3) and connected to the connecting post (26) for effecting extension or retraction of the boom (11) relative to the sleeve (3);
The telescopic support piece is characterized by further comprising a telescopic support piece, one end of the telescopic support piece is connected to the connecting piece (3), a connecting block is rotatably arranged at the other end of the telescopic support piece, and the connecting block is hinged to the connecting column (26);
The transmission piece is connected with the telescopic support piece and is connected with a gear (14) rotatably installed on the connecting column (26), and the gear (14) is meshed with a rack plate (5) arranged on the sleeve (3).
2. The bridge construction prefabricated part lifting device according to claim 1, wherein the driving piece comprises a driving motor (8), a first screw rod (9) and a threaded collar (10), the driving motor (8) is installed on the sleeve (3), an output shaft of the driving motor (8) is fixedly connected with the first screw rod (9), and the threaded collar (10) is fixedly connected with the connecting column (26) and is in threaded connection with the first screw rod (9).
3. The bridge construction prefabricated part hoisting device according to claim 2, wherein the telescopic support comprises a threaded sleeve (22), a second screw rod (23), a sliding block (24) and a sliding rod (25), the threaded sleeve (22) is rotatably installed on the connecting block, the second screw rod (23) is threadedly installed in the threaded sleeve (22), one end of the second screw rod (23) is hinged with the sliding block (24), and the sliding block (24) is slidably installed on the sliding rod (25) fixed in the sleeve (3).
4. A bridge construction prefabricated part hoisting device according to claim 3, characterized in that the transmission member comprises a first rotating shaft (15), a first belt (16), a second rotating shaft (17), a first bevel gear (18), a second bevel gear (19), a guide rod (20) and a second belt (21), the first rotating shaft (15) is fixedly connected to the gear (14), the second rotating shaft (17) penetrates through and is rotatably mounted on the connecting block, the first belt (16) is connected between the first rotating shaft (15) and one side of the second rotating shaft (17), the first bevel gear (18) is fixedly mounted on the other side of the second rotating shaft (17), the second bevel gear (19) meshed with the first bevel gear (18) is fixedly mounted on the guide rod (20) which is vertically rotatably mounted on one side of the connecting block, and the guide rod (20) is connected with the threaded sleeve (22) through the second belt (21).
5. The bridge construction prefabricated part hoisting device according to claim 4, wherein a telescopic cylinder (6) is arranged right below the sleeve (3), the telescopic cylinder (6) is fixed on the fixed column (2), and the movable end of the telescopic cylinder (6) is hinged with a sliding block arranged in a sliding groove (7) at the bottom of the sleeve (3) in a sliding manner.
6. The bridge construction prefabricated part hoisting device according to claim 5, wherein one end of the crane arm (11) is rotatably provided with a fixed pulley (13);
The crane boom (11) is fixedly provided with a connecting rod (12), and the connecting rod (12) is fixedly connected with the connecting column (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323248129.8U CN221343687U (en) | 2023-11-30 | 2023-11-30 | Bridge construction prefabricated component lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323248129.8U CN221343687U (en) | 2023-11-30 | 2023-11-30 | Bridge construction prefabricated component lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221343687U true CN221343687U (en) | 2024-07-16 |
Family
ID=91846317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323248129.8U Active CN221343687U (en) | 2023-11-30 | 2023-11-30 | Bridge construction prefabricated component lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221343687U (en) |
-
2023
- 2023-11-30 CN CN202323248129.8U patent/CN221343687U/en active Active
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