CN219751649U - Locking structure of tower crane lifting hook - Google Patents
Locking structure of tower crane lifting hook Download PDFInfo
- Publication number
- CN219751649U CN219751649U CN202223472903.9U CN202223472903U CN219751649U CN 219751649 U CN219751649 U CN 219751649U CN 202223472903 U CN202223472903 U CN 202223472903U CN 219751649 U CN219751649 U CN 219751649U
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- Prior art keywords
- piece
- block
- locking
- tower crane
- clamping mechanism
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- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses a locking structure of a tower crane lifting hook, which comprises a hook part and a connecting part, wherein the hook part is connected with the connecting part, one end of the hook part, which is far away from the connecting part, is provided with a matching structure, one side of the connecting part is provided with a fixed block, the bottom end of the fixed block is provided with a clamping mechanism at a position corresponding to the matching structure, the clamping mechanism comprises an electric push rod fixedly connected to the bottom surface of the fixed block through a bolt, the clamping mechanism also comprises a pressing piece which can slide in the mounting block through the matching structure, the clamping mechanism also comprises a locking piece, and one side of the pressing piece is outwards extended and provided with the locking piece; the matching structure comprises a connecting piece and a frame body, wherein the frame body is fixedly connected to one end of the inner side of the hook part. According to the utility model, the anti-falling function can be automatically realized after the rope is put in the lifting hook.
Description
Technical Field
The utility model relates to the technical field of tower crane hooks, in particular to a locking structure of a tower crane hook.
Background
The tower crane is the most commonly used hoisting equipment on construction sites and hydraulic engineering, takes the form of an iron tower as if the tower crane is a section of extension (height), is also called as a tower crane, is used for hoisting hydraulic engineering construction tools and construction raw materials, and is an indispensable equipment for hydraulic engineering;
the tower crane is in the in-process of hoist and mount, use the lifting hook to hoist and mount the heavy object that needs to hoist and mount, connect through the cable wire between lifting hook and the davit, the davit can take the lifting hook to translate in the sky equally at the in-process that removes, because the lifting hook is not confined, the davit is when removing in the air, the lifting hook rocks easily, the lifting hook slips out in the lifting hook easily at the in-process lifting rope that rocks, the lifting rope slips out and makes the heavy object drop light then damage material, heavy then easily accidentally injure staff, take place the personal accident.
Aiming at the prior patent CN201921377180.X, a lifting hook for a tower crane is provided with an anti-falling device, but in the actual operation process, the anti-falling device needs to be manually opened first, then a rope is placed in the lifting hook, and finally the anti-falling device is closed, so that the operation is inconvenient; therefore, the existing requirements are not met, and a locking structure of a tower crane lifting hook is provided.
Disclosure of Invention
The utility model aims to provide a locking structure of a tower crane lifting hook, which aims to solve the problems that the lifting hook for a tower crane is provided with an anti-falling device in the prior art aiming at the prior patent CN201921377180.X, the anti-falling device is required to be opened manually in the actual operation process, then a rope is placed in the lifting hook, and finally the anti-falling device is closed, so that the operation is inconvenient.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a locking structure of tower crane lifting hook, includes crotch portion and connecting portion, crotch portion and connecting portion connect, the one end that crotch portion kept away from connecting portion is provided with the cooperation structure, one side of connecting portion is provided with the fixed block, the bottom of fixed block with cooperation structure corresponds the position department installs the block mechanism, the block mechanism includes through bolt fixed connection in the electric putter of fixed block bottom surface, the block mechanism still includes the accessible cooperation structure and is in the unloading piece of installation piece sliding, the block mechanism still includes the locking piece, one side of unloading piece extends outwards and is provided with the locking piece; the matching structure comprises a connecting piece and a frame body, wherein the frame body is fixedly connected to one end of the inner side of the hook part, and the connecting piece is fixedly arranged in a groove formed in the frame body; the installation block is clamped with the connecting piece through the locking piece, the clamping mechanism further comprises a sliding block, and the pressing piece is fixed on the sliding block.
Preferably, a connecting seat is fixedly connected to the connecting position of the mounting block and the electric push rod, a slot for the insertion of the matching structure is formed in the center of the bottom of the mounting block, and a connecting groove matched with the locking piece is formed in one side, facing the slot, of the connecting seat.
Preferably, four baffles are arranged on the outer wall of the connecting piece at equal intervals in an annular mode, a clamping groove matched with the locking piece is formed between two adjacent baffles, and the top end of the connecting piece is fixedly connected with a connecting shaft matched with the connecting groove.
Preferably, the fixed block is connected with two C type blocks that the symmetry set up towards one side rotation of connecting portion, two C type block keep away from its and fixed block articulated one end is provided with the fastening plate respectively, two C type block butt joint is formed with the fastening hole, connecting portion are located the fastening hole and with fastening hole looks adaptation, two the fastening plate passes through bolt and nut and connects.
Preferably, a compression spring is installed on one side, far away from the pressing piece, of the sliding block, the compression spring is used for resetting the sliding block, and an installation seat is fixed in the installation block.
Preferably, a convex column is fixedly arranged on one side of the mounting seat, a limit groove is formed in one side of the sliding block, and the compression spring is arranged on the outer surface of the convex column and extends into the limit groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model drives the installation block to push down, and when pushing down to the inside of the frame; the locking piece is clamped in the clamping groove under the action force of the compression spring, at the moment, the compression spring drives the locking piece to clamp the matching mechanism of the locking piece under the action force of the compression spring, the locking piece is pushed down to the inside of the connecting groove until the connecting shaft is completely clamped, so that a closed area is formed between the clamping mechanism and the matching mechanism, at the moment, the lifting rope cannot be separated from the hook part of the lifting hook, when the anti-falling device is required to be opened, the electric push rod is started to move upwards, the locking mechanism is not required to be opened by manual operation, and the lifting hook can automatically realize the anti-falling function after the rope is put in.
Drawings
FIG. 1 is a front view of the entire present utility model;
FIG. 2 is a side view of the entirety of the present utility model;
fig. 3 is a schematic structural view of the mounting block of the present utility model.
In the figure: 1. a hook portion; 2. a connection part; 3. a fixed block; 4. c-shaped blocks; 401. a fastening plate; 5. an electric push rod; 6. a mounting block; 7. a frame; 8. a baffle; 9. a connecting piece; 10. a connecting shaft; 11. a connecting seat; 1101. a connecting groove; 12. a slot; 13. a slide block; 1301. a limit groove; 14. a mounting base; 15. a compression spring; 16. a pressing piece; 17. a locking member; 18. and a clamping groove.
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.
Referring to fig. 1 to 3, an embodiment of the present utility model provides: the utility model provides a locking structure of tower crane lifting hook, including crotch portion 1 and connecting portion 2, crotch portion 1 and connecting portion 2 are connected, crotch portion 1 is provided with the cooperation structure away from connecting portion 2's one end, one side of connecting portion 2 is provided with fixed block 3, the bottom of fixed block 3 is installed the block mechanism with cooperation structure corresponding position department, the block mechanism includes the electric putter 5 through bolt fixed connection in fixed block 3 bottom surface, the block mechanism still includes the unloading piece 16 that can slide in installation piece 6 through the cooperation structure, the block mechanism still includes locking piece 17, one side outside extension of unloading piece 16 is provided with locking piece 17; the matching structure comprises a connecting piece 9 and a frame body 7, wherein the frame body 7 is fixedly connected to one end of the inner side of the hook part 1, and the connecting piece 9 is fixedly arranged in a groove formed in the frame body 7; the mounting block 6 is clamped with the connecting piece 9 through the locking piece 17, the clamping mechanism further comprises a sliding block 13, and the pressing piece 16 is fixed on the sliding block 13.
The connecting seat 11 is fixedly connected to the connecting position of the mounting block 6 and the electric push rod 5, the slot 12 for inserting the matching structure is arranged in the center of the bottom of the mounting block 6, and a connecting groove 1101 matched with the locking piece 17 is formed in one side, facing the slot 12, of the connecting seat 11. Four baffles 8 are annularly and equidistantly arranged on the outer wall of the connecting piece 9, a clamping groove 18 matched with the locking piece 17 is formed between two adjacent baffles 8, and the top end of the connecting piece 9 is fixedly connected with a connecting shaft 10 matched with the connecting groove 1101.
The fixed block 3 rotates towards one side of connecting portion 2 and is connected with two C type pieces 4 that the symmetry set up, and two C type pieces 4 are kept away from its articulated one end with fixed block 3 and are provided with fastening plate 401 respectively, and two C type pieces 4 butt joint is formed with the fastening hole, and connecting portion 2 is located the fastening hole and with fastening hole looks adaptation, two fastening plates 401 are connected through bolt and nut.
A compression spring 15 is arranged on one side of the sliding block 13 away from the pressing piece 16, the compression spring 15 is used for resetting the sliding block 13, and a mounting seat 14 is fixed inside the mounting block 6. A protruding column is fixedly arranged on one side of the mounting seat 14, a limiting groove 1301 is formed on one side of the sliding block 13, and the compression spring 15 is arranged on the outer surface of the protruding column and extends into the limiting groove 1301. By adopting the technical scheme, the locking piece 17 is clamped in the clamping groove 18 under the acting force of the compression spring 15, and at the moment, the compression spring 15 drives the locking piece 17 to clamp the matching mechanism under the elastic deformation.
When in use, the electric push rod 5 is started, so that the electric push rod drives the mounting block 6 to push down, and the mounting block is pushed down to the inside of the frame 7; the locking piece 17 is clamped in the clamping groove 18 under the action force of the compression spring 15, at the moment, the compression spring 15 drives the locking piece 17 to clamp the matching mechanism under the action of elastic deformation, the locking piece is pushed down to the inside of the connecting groove 1101 until the connecting shaft 10 is completely clamped, a closed area is formed between the clamping mechanism and the matching mechanism, and the hook 1 is connected, at the moment, the lifting rope cannot be separated from the hook 1 of the lifting hook, when the anti-falling device is required to be opened, the electric push rod 5 is started to move upwards, a manual operator is not required to be used for opening, and the lifting hook can automatically realize the anti-falling function after the rope is put in.
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.
Claims (5)
1. The utility model provides a locking structure of tower crane lifting hook, includes crotch portion (1) and connecting portion (2), its characterized in that: the novel electric coupler is characterized in that the hook part (1) is connected with the connecting part (2), one end of the hook part (1) away from the connecting part (2) is provided with a matching structure, one side of the connecting part (2) is provided with a fixed block (3), a clamping mechanism is arranged at the position, corresponding to the matching structure, of the bottom end of the fixed block (3), the clamping mechanism comprises an electric push rod (5) fixedly connected to the bottom surface of the fixed block (3) through a bolt, a connecting seat (11) is fixedly connected to the connecting position of the mounting block (6) and the electric push rod (5), a slot (12) for the insertion of the matching structure is arranged at the center of the bottom of the mounting block (6), and a connecting groove (1101) matched with a locking piece (17) is formed in one side of the connecting seat (11) towards the slot (12).
The clamping mechanism further comprises a pressing piece (16) capable of sliding in the mounting block (6) through a matching structure, the clamping mechanism further comprises a locking piece (17), and the locking piece (17) is arranged on one side of the pressing piece (16) in an outward extending mode; the matching structure comprises a connecting piece (9) and a frame body (7), wherein the frame body (7) is fixedly connected to one end of the inner side of the hook part (1), and the connecting piece (9) is fixedly arranged in a groove formed in the frame body (7); the mounting block (6) is clamped with the connecting piece (9) through the locking piece (17), the clamping mechanism further comprises a sliding block (13), and the pressing piece (16) is fixed on the sliding block (13).
2. The locking structure of a tower crane hook according to claim 1, wherein: four baffles (8) are annularly and equidistantly arranged on the outer wall of the connecting piece (9), a clamping groove (18) matched with the locking piece (17) is formed between two adjacent baffles (8), and the top end of the connecting piece (9) is fixedly connected with a connecting shaft (10) matched with the connecting groove (1101).
3. The locking structure of a tower crane hook according to claim 1, wherein: the fixed block (3) is connected with two C type pieces (4) that the symmetry set up towards one side rotation of connecting portion (2), two C type pieces (4) keep away from its articulated one end with fixed block (3) be provided with fastening plate (401) respectively, two C type pieces (4) butt joint is formed with the fastening hole, connecting portion (2) are located the fastening hole and with fastening hole looks adaptation, two fastening plate (401) are connected through bolt and nut.
4. The locking structure of a tower crane hook according to claim 1, wherein: one side of the sliding block (13) far away from the pressing piece (16) is provided with a compression spring (15), the compression spring (15) is used for resetting the sliding block (13), and an installation seat (14) is fixed in the installation block (6).
5. The locking structure of a tower crane hook according to claim 4, wherein: one side of mount pad (14) is fixed to be provided with the projection, spacing recess (1301) have been seted up to one side of slider (13), compression spring (15) set up in the surface of projection and extend to spacing recess (1301) are inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223472903.9U CN219751649U (en) | 2022-12-26 | 2022-12-26 | Locking structure of tower crane lifting hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223472903.9U CN219751649U (en) | 2022-12-26 | 2022-12-26 | Locking structure of tower crane lifting hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219751649U true CN219751649U (en) | 2023-09-26 |
Family
ID=88090541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223472903.9U Active CN219751649U (en) | 2022-12-26 | 2022-12-26 | Locking structure of tower crane lifting hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219751649U (en) |
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2022
- 2022-12-26 CN CN202223472903.9U patent/CN219751649U/en active Active
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