CN216190526U - Hoisting device suitable for in municipal bridge construction - Google Patents
Hoisting device suitable for in municipal bridge construction Download PDFInfo
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- CN216190526U CN216190526U CN202122467406.9U CN202122467406U CN216190526U CN 216190526 U CN216190526 U CN 216190526U CN 202122467406 U CN202122467406 U CN 202122467406U CN 216190526 U CN216190526 U CN 216190526U
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- lead screw
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- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 claims 1
- 230000000630 rising effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The utility model provides a lifting device suitable for municipal bridge construction, which belongs to the field of lifting devices and comprises: the number of the supporting legs is two; the cross beam is fixedly connected to the upper ends of the two supporting legs; the moving mechanism is arranged on the cross beam; the mounting mechanism is arranged on the moving mechanism; the take-up pulley is rotatably arranged on the mounting mechanism through the rotating shaft, the rotation of the take-up pulley can be limited through the mutual clamping between the ratchet wheel and the ratchet block, the take-up pulley is prevented from continuously rotating when the power of the take-up pulley is lost, so that a protection effect is achieved, the rotation of the third gear can be achieved through the rotation of the output end of the second forward and reverse rotating motor, the rotation of the take-up pulley can be achieved through the rotation of the third gear, the rising of the hook can be achieved through the forward rotation of the take-up pulley, the falling of the hook can be achieved through the reverse rotation of the take-up pulley, and the problem that conveyed articles rapidly descend due to the loss of the power when the traction rope is wound in the prior art can be solved.
Description
Technical Field
The utility model belongs to the field of lifting devices, and particularly relates to a lifting device suitable for municipal bridge construction.
Background
The municipal bridge refers to a bridge built on a river channel in an urban area, a road-road interchange, a road-crossing railway overpass and a pedestrian overpass, and comprises a permanent bridge and a semi-permanent bridge, but does not comprise a temporary bridge, a railway bridge and a culvert.
Need carry article through hoisting device among the bridge construction process, current hoisting device realizes promoting through the rolling of haulage rope, and need make the haulage rope roll through power during the haulage rope rolling, can lead to the article of carrying to descend rapidly when losing power when the haulage rope rolling to there is the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lifting device suitable for municipal bridge construction, and aims to solve the problem that conveyed articles are rapidly lowered when power is lost during winding of a traction rope in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme:
a lifting device suitable for use in the construction of municipal bridges comprising:
the number of the supporting legs is two;
the cross beam is fixedly connected to the upper ends of the two supporting legs;
the moving mechanism is arranged on the cross beam;
the mounting mechanism is arranged on the moving mechanism;
the take-up pulley is rotatably arranged on the mounting mechanism through a rotating shaft;
the driving mechanism is arranged on the mounting mechanism and is connected with the rotating shaft to realize rotation of the rotating shaft;
one end of the traction rope is fixedly connected to the take-up pulley, and the other end of the traction rope is fixedly connected with the hook;
the ratchet wheel is fixedly connected to the rotating shaft; and
and the self-locking mechanism is arranged on the mounting mechanism and is connected with the ratchet wheel so as to limit the rotation of the rotating shaft.
As a preferable scheme of the present invention, the moving mechanism includes a screw rod component, a first forward and reverse rotation motor, and a cross-shaped chute, the cross-shaped chute is disposed at the upper end of the cross beam, the first forward and reverse rotation motor is fixedly connected to the upper end of the cross beam, the screw rod component is disposed on the cross beam, and the screw rod component is connected to the output end of the first forward and reverse rotation motor to realize the operation of the screw rod component.
As a preferable scheme of the present invention, the screw rod component includes a screw rod, a cross-shaped screw rod sleeve, a first gear and a second gear, the screw rod is rotatably connected between the side walls of the cross-shaped sliding groove, one end of the screw rod rotatably penetrates through the cross beam and extends to the outside of the cross beam, the cross-shaped screw rod sleeve is slidably connected in the cross-shaped sliding groove, the cross-shaped screw rod sleeve is further threadedly connected to the screw rod, the first gear is fixedly connected to the side end of the screw rod, the second gear is fixedly connected to the output end of the first forward and reverse rotation motor, and the second gear and the first gear are engaged with each other.
As a preferable scheme of the present invention, the mounting mechanism includes a moving plate and a U-shaped plate, the moving plate is fixedly connected to the lower end of the cross-shaped screw rod sleeve, and the U-shaped plate is fixedly connected to the lower end of the moving plate.
As a preferable scheme of the present invention, the driving mechanism includes a second forward and reverse rotation motor, a third gear and a fourth gear, the fourth gear is fixedly connected to the rotating shaft, the second forward and reverse rotation motor is fixedly connected to the lower inner wall of the U-shaped plate, the third gear is fixedly connected to the output end of the second forward and reverse rotation motor, and the third gear and the fourth gear are engaged with each other.
As a preferred scheme of the present invention, the self-locking mechanism includes two mounting plates, two mounting plates are both fixedly connected to the inner side wall of the U-shaped plate, the ratchet block is movably inserted between the two mounting plates, the ratchet block movably penetrates through the two mounting plates and extends to the outer sides of the two mounting plates, the ratchet block and the ratchet wheel are mutually engaged, the limiting ring is fixedly connected to the ratchet block, the limiting ring is located between the two mounting plates, the spring is fixedly connected between the limiting ring and one of the mounting plates, the spring is sleeved on the ratchet block, the fixing block is fixedly connected to the side end of the ratchet block, and the electric telescopic rod is fixedly connected to the side end of one of the mounting plates.
As a preferable scheme of the utility model, a limiting wheel is rotatably connected between the side inner walls of the U-shaped plate, and the limiting wheel is in sliding fit with the traction rope.
Compared with the prior art, the utility model has the beneficial effects that:
1. in this scheme, through mutual block between ratchet and the thorn piece, can restrict the rotation of take-up pulley, the take-up pulley continues to rotate when preventing that the take-up pulley from losing power to play the guard action, the output through the second motor of just reversing can realize the third gear rotation, can realize through the third gear rotation that the take-up pulley rotates, can realize the rising of couple through the corotation of take-up pulley, can realize the decline of couple through the reversal of take-up pulley.
2. In this scheme, output through first positive and negative motor that changes rotates can realize the second gear revolve, can realize the lead screw through the second gear revolve and rotate, can realize cross-shaped lead screw cover reciprocating motion through the lead screw positive and negative rotation, it can realize the couple removal to move through the removal of cross-shaped lead screw cover, can adjust the position that promotes the thing through the couple removal, special shape through cross-shaped lead screw cover, make cross-shaped lead screw cover can slide in cross spout and can not take place the rotation often, can assist the haulage rope through the setting of spacing wheel, thereby be convenient for receive and release of haulage rope.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded view of the cross-shaped pin bushing of the present invention;
FIG. 3 is an exploded view of the present invention at the location of the moving plate;
FIG. 4 is a schematic view of the structure of the present invention at the rotating shaft;
FIG. 5 is a schematic view of the ratchet and ratchet block of the present invention.
In the figure: 1. supporting legs; 2. a first gear; 3. a second gear; 4. a first positive and negative rotation motor; 5. a cross beam; 6. moving the plate; 7. a U-shaped plate; 8. a hauling rope; 9. hooking; 10. a cross-shaped screw rod sleeve; 11. a screw rod; 12. a cross-shaped chute; 13. a take-up pulley; 14. a rotating shaft; 16. a limiting wheel; 17. a second positive and negative rotation motor; 18. a third gear; 19. a fourth gear; 20. a ratchet wheel; 21. a limiting ring; 22. a spring; 23. mounting a plate; 24. a ratchet block; 25. an electric telescopic rod; 26. and (5) fixing blocks.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
Referring to fig. 1-5, the technical solution provided in this embodiment is as follows:
a lifting device suitable for use in the construction of municipal bridges comprising:
the supporting legs 1 are provided with two supporting legs 1;
the cross beam 5 is fixedly connected to the upper ends of the two supporting legs 1;
the moving mechanism is arranged on the cross beam 5;
the mounting mechanism is arranged on the moving mechanism;
the take-up pulley 13 is rotatably arranged on the mounting mechanism through a rotating shaft 14;
the driving mechanism is arranged on the mounting mechanism and is connected with the rotating shaft 14 so as to realize the rotation of the rotating shaft 14;
one end of the traction rope 8 is fixedly connected to the take-up pulley 13, and the other end of the traction rope 8 is fixedly connected with the hook 9;
the ratchet wheel 20 is fixedly connected to the rotating shaft 14; and
and the self-locking mechanism is arranged on the mounting mechanism and is connected with the ratchet wheel 20 to limit the rotation of the rotating shaft 14.
In the embodiment of the utility model, the rotating shaft 14 is rotatably connected between the side inner walls of the U-shaped plate 7, the take-up pulley 13 is fixedly connected to the rotating shaft 14, and one end of the traction rope 8 movably penetrates through the U-shaped plate 7 and extends to the lower side of the U-shaped plate 7.
Specifically, the moving mechanism comprises a screw rod component, a first forward and reverse rotation motor 4 and a cross sliding groove 12, the cross sliding groove 12 is formed in the upper end of the cross beam 5, the first forward and reverse rotation motor 4 is fixedly connected to the upper end of the cross beam 5, the screw rod component is arranged on the cross beam 5, and the screw rod component is connected with the output end of the first forward and reverse rotation motor 4 to realize operation of the screw rod component.
In the embodiment of the utility model, the cross-shaped chute 12 is used for connecting the cross-shaped screw rod sleeve 10, the screw rod component is arranged on the cross beam 5, and the screw rod component is connected with the output end of the first forward and reverse rotation motor 4 to realize the operation of the screw rod component.
Specifically, the lead screw part includes lead screw 11, cross lead screw cover 10, first gear 2 and second gear 3, lead screw 11 rotates to be connected between the lateral wall of cross spout 12, and the one end of lead screw 11 rotates and runs through crossbeam 5 and extend to the outside of crossbeam 5, cross lead screw cover 10 sliding connection is in cross spout 12, and cross lead screw cover 10 is threaded connection on lead screw 11 still, first gear 2 fixed connection is in the side of lead screw 11, second gear 3 fixed connection is in the output of first positive and negative motor 4, and intermeshing between second gear 3 and the first gear 2.
In the embodiment of the utility model, the second gear 3 can be rotated by fixedly connecting the second gear 3 and the first forward and reverse rotation motor 4, the first gear 2 can be rotated by engaging the second gear 3 with the first gear 2, the lead screw 11 can be rotated by fixedly connecting the first gear 2 with the lead screw 11, the cross-shaped lead screw sleeve 10 can be moved by connecting the lead screw 11 with the cross-shaped lead screw sleeve 10 through threads, the cross-shaped lead screw sleeve 10 can not rotate when moving due to the special shape of the cross-shaped lead screw sleeve 10, the output end of the first forward and reverse rotation motor 4 can rotate forward to drive the second gear 3 to rotate forward by starting the first forward and reverse rotation motor 4 reversely, the output end of the first forward and reverse rotation motor 4 can rotate reversely to drive the second gear 3 to rotate reversely, the cross-shaped screw rod sleeve 10 can reciprocate through the forward and reverse rotation of the second gear 3, and the internal structure of the first forward and reverse rotation motor 4 is common knowledge of those skilled in the art, so that the details are not described.
Specifically, the mounting mechanism comprises a moving plate 6 and a U-shaped plate 7, the moving plate 6 is fixedly connected to the lower end of the cross-shaped screw rod sleeve 10, and the U-shaped plate 7 is fixedly connected to the lower end of the moving plate 6.
In the embodiment of the utility model, the moving plate 6 is used for connecting the U-shaped plate 7, and the U-shaped plate 7 is used for connecting the second forward and reverse rotation motor 17.
Specifically, the driving mechanism comprises a second forward and reverse rotation motor 17, a third gear 18 and a fourth gear 19, the fourth gear 19 is fixedly connected to the rotating shaft 14, the second forward and reverse rotation motor 17 is fixedly connected to the lower inner wall of the U-shaped plate 7, the third gear 18 is fixedly connected to the output end of the second forward and reverse rotation motor 17, and the third gear 18 and the fourth gear 19 are meshed with each other.
In the embodiment of the present invention, the third gear 18 can be rotated by the fixed connection between the second forward/reverse motor 17 and the third gear 18, the fourth gear 19 can be rotated by the mutual engagement between the third gear 18 and the fourth gear 19, the rotation of the rotating shaft 14 can be realized by the fixed connection between the fourth gear 19 and the rotating shaft 14, the rotation of the wire winding wheel 13 can be realized by the fixed connection between the rotating shaft 14 and the wire winding wheel 13, the forward rotation of the wire winding wheel 13 can be realized by the forward start of the second forward/reverse motor 17, the forward rotation of the output end of the second forward/reverse motor 17 can be realized by the forward rotation of the wire winding wheel 13, the winding rope 8 can be wound by the forward rotation of the wire winding wheel 13, the reverse rotation of the output end of the second forward/reverse motor 17 can be realized by the reverse start of the second forward/reverse motor 17, the reverse rotation of the wire winding wheel 13 can be realized by the reverse rotation of the wire winding wheel 8, the internal structure of the second forward/reverse rotation motor 17 is common knowledge of those skilled in the art, and therefore, will not be described in detail.
Specifically, the self-locking mechanism includes a limiting ring 21, a spring 22, mounting plates 23, a ratchet block 24, a fixing block 26 and an electric telescopic rod 25, the mounting plates 23 are provided with two, two mounting plates 23 are all fixedly connected to the inner side wall of the U-shaped plate 7, the ratchet block 24 is movably inserted between the two mounting plates 23, the ratchet block 24 movably penetrates through the two mounting plates 23 and extends to the outer sides of the two mounting plates 23, the ratchet block 24 is mutually clamped with the ratchet wheel 20, the limiting ring 21 is fixedly connected to the ratchet block 24, the limiting ring 21 is located between the two mounting plates 23, the spring 22 is fixedly connected between the limiting ring 21 and one of the mounting plates 23, the spring 22 is sleeved on the ratchet block 24, the fixing block 26 is fixedly connected to the side end of the ratchet block 24, and the electric telescopic rod 25 is fixedly connected to the side end of one of the mounting plates 23.
In the embodiment of the present invention, the two mounting plates 23 are used for connecting the ratchet block 24, the fixing block 26 can be pushed to move by extending the electric telescopic rod 25, the internal structure of the electric telescopic rod 25 is common knowledge of those skilled in the art, and therefore, no further description is provided herein, the movement of the ratchet block 24 can be realized by fixedly connecting the fixing block 26 and the ratchet block 24, the movement of the position-limiting ring 21 can be realized by fixedly connecting the ratchet block 24 and the position-limiting ring 21, the movement of the position-limiting ring 21 and the compression of the spring 22 can be realized by fixedly connecting the position-limiting ring 21 and the spring 22, and the engagement and disengagement between the ratchet 20 and the ratchet block 24 can be realized by moving the ratchet block 24.
Specifically, referring to fig. 3, a limiting wheel 16 is rotatably connected between the side inner walls of the U-shaped plate 7, and the limiting wheel 16 is in sliding fit with the traction rope 8.
In the embodiment of the utility model, the position of the traction rope 8 can be limited by the arrangement of the limiting wheel 16.
The working principle or working process of the lifting device suitable for the municipal bridge construction provided by the utility model is as follows: the lifting object is hung on the hook 9, the fixing block 26 is pushed to move by the extension of the electric telescopic rod 25, the fixing block 26 moves to drive the ratchet block 24 to move, the ratchet block 24 moves to drive the limiting ring 21 to move, the limiting ring 21 moves to compress the spring 22, the ratchet block 24 moves and then is clamped and separated with the ratchet wheel 20, so that the rotating shaft 14 can rotate, the output end of the second forward and reverse rotating motor 17 is started in the forward direction to rotate to drive the third gear 18 to rotate, the third gear 18 rotates to drive the fourth gear 19 to rotate, the fourth gear 19 rotates to drive the rotating shaft 14 to rotate, the rotating shaft 14 rotates to drive the take-up pulley 13 to rotate, the take-up pulley 13 rotates to wind the traction rope 8, the hook 9 is driven to ascend after the traction rope 8 is wound, the hook 9 ascends to drive the lifting object to ascend, the first forward and reverse rotating motor 4 is started, the output end of the first forward and reverse rotating motor 4 rotates to drive the second gear 3 to rotate, the second gear 3 rotates to drive the first gear 2 to rotate, the first gear 2 rotates to drive the screw rod 11 to rotate, the screw rod 11 rotates to drive the cross-shaped screw rod sleeve 10 to move, the cross-shaped screw rod sleeve 10 moves to drive the movable plate 6 to move, the movable plate 6 moves to drive the U-shaped plate 7 to move, the U-shaped plate 7 moves to drive the hook 9 to move, and the hook 9 moves to drive the lifting object to move.
Claims (7)
1. A lifting device suitable for use in the construction of municipal bridges, comprising:
the supporting legs (1) are provided with two supporting legs (1);
the cross beam (5), the cross beam (5) is fixedly connected to the upper ends of the two supporting legs (1);
the moving mechanism is arranged on the cross beam (5);
the mounting mechanism is arranged on the moving mechanism;
the take-up pulley (13) is rotatably arranged on the mounting mechanism through a rotating shaft (14);
the driving mechanism is arranged on the mounting mechanism and is connected with the rotating shaft (14) to realize the rotation of the rotating shaft (14);
one end of the traction rope (8) is fixedly connected to the take-up pulley (13), and the other end of the traction rope (8) is fixedly connected with the hook (9);
the ratchet wheel (20), the said ratchet wheel (20) is fixedly connected to spindle (14); and
the self-locking mechanism is arranged on the mounting mechanism and is connected with the ratchet wheel (20) to limit the rotation of the rotating shaft (14).
2. A lifting device suitable for use in the construction of municipal bridges according to claim 1, wherein: moving mechanism includes screw rod part, first positive and negative motor (4) and cross spout (12), the upper end of crossbeam (5) is seted up in cross spout (12), first positive and negative motor (4) fixed connection is in the upper end of crossbeam (5), the screw rod part sets up on crossbeam (5), and the screw rod part is connected in order to realize the screw rod part and move with the output of first positive and negative motor (4).
3. A lifting device suitable for use in the construction of municipal bridges according to claim 2, wherein: the lead screw part includes lead screw (11), cross lead screw cover (10), first gear (2) and second gear (3), lead screw (11) rotate to be connected between the lateral wall of cross spout (12), and the one end of lead screw (11) rotates and runs through crossbeam (5) and extend to the outside of crossbeam (5), cross lead screw cover (10) sliding connection is in cross spout (12), and cross lead screw cover (10) still threaded connection on lead screw (11), first gear (2) fixed connection is in the side of lead screw (11), second gear (3) fixed connection is in the output of first just reversing motor (4), and intermeshing between second gear (3) and first gear (2).
4. A lifting device suitable for use in the construction of municipal bridges according to claim 3, wherein: the installation mechanism comprises a movable plate (6) and a U-shaped plate (7), the movable plate (6) is fixedly connected to the lower end of the cross-shaped screw rod sleeve (10), and the U-shaped plate (7) is fixedly connected to the lower end of the movable plate (6).
5. A lifting device suitable for use in the construction of municipal bridges according to claim 4, wherein: drive mechanism includes that second is just reversing motor (17), third gear (18) and fourth gear (19), fourth gear (19) fixed connection is on pivot (14), second is just reversing motor (17) fixed connection in the lower inner wall of U template (7), third gear (18) fixed connection is in the output of second is just reversing motor (17), and third gear (18) and fourth gear (19) intermeshing.
6. A lifting device suitable for use in the construction of municipal bridges according to claim 5, wherein: the self-locking mechanism comprises two limiting rings (21), two springs (22), two mounting plates (23), two ratchet blocks (24), a fixing block (26) and an electric telescopic rod (25), wherein the two mounting plates (23) are fixedly connected to the inner side walls of the U-shaped plate (7), the ratchet blocks (24) are movably inserted between the two mounting plates (23), the ratchet blocks (24) movably penetrate through the two mounting plates (23) and extend to the outer sides of the two mounting plates (23), the ratchet blocks (24) are mutually clamped with the ratchet wheel (20), the limiting rings (21) are fixedly connected to the ratchet blocks (24), the limiting rings (21) are located between the two mounting plates (23), the springs (22) are fixedly connected between the limiting rings (21) and one of the mounting plates (23), the springs (22) are sleeved on the ratchet blocks (24), and the fixing blocks (26) are fixedly connected to the side ends of the ratchet blocks (24), the electric telescopic rod (25) is fixedly connected to the side end of one of the mounting plates (23).
7. A lifting device suitable for use in the construction of municipal bridges according to claim 6, wherein: spacing round (16) rotate between the side inner wall of U template (7) and be connected with, sliding fit between spacing round (16) and haulage rope (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122467406.9U CN216190526U (en) | 2021-10-13 | 2021-10-13 | Hoisting device suitable for in municipal bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122467406.9U CN216190526U (en) | 2021-10-13 | 2021-10-13 | Hoisting device suitable for in municipal bridge construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216190526U true CN216190526U (en) | 2022-04-05 |
Family
ID=80865510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122467406.9U Expired - Fee Related CN216190526U (en) | 2021-10-13 | 2021-10-13 | Hoisting device suitable for in municipal bridge construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216190526U (en) |
-
2021
- 2021-10-13 CN CN202122467406.9U patent/CN216190526U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220405 |