CN219990996U - Lock catch structure of folding crane - Google Patents
Lock catch structure of folding crane Download PDFInfo
- Publication number
- CN219990996U CN219990996U CN202321443214.7U CN202321443214U CN219990996U CN 219990996 U CN219990996 U CN 219990996U CN 202321443214 U CN202321443214 U CN 202321443214U CN 219990996 U CN219990996 U CN 219990996U
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- connecting seat
- base
- telescopic pipe
- fixing device
- cantilever
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- 238000007906 compression Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 239000003381 stabilizer Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model provides a lock catch structure of a folding crane, which comprises a base, wherein a first connecting seat is fixedly arranged on the upper surface of the base, a connecting plate is fixedly arranged on one side of the first connecting seat on the upper surface of the base, a first fixing device is arranged between the first connecting seat and the connecting plate, a sliding groove is formed in the connecting plate, a limit groove is formed in the sliding groove, a supporting arm is rotatably connected in the first connecting seat, a handle is fixedly arranged on the side wall of the supporting arm, a second connecting seat is fixedly arranged on the outer wall of one side, far away from the handle, of the top end of the supporting arm, a cantilever is rotatably connected in the second connecting seat, and a connecting shaft and a second fixing device are arranged between the cantilever and the second connecting seat. According to the utility model, the first fixing device formed by the pedal, the sliding block, the pressing block and the like is designed on the lock catch structure of the folding crane, so that the support arm can automatically adjust and fix the state in the folding and extending process, a bolt is not needed to be manually adopted, and the assembly time is saved.
Description
Technical Field
The utility model relates to the technical field of hoisting mechanical equipment, in particular to a lock catch structure of a folding crane.
Background
The crane generally refers to a crane, which refers to a multi-action hoisting machine for vertically hoisting and horizontally carrying heavy objects in a certain range, and is also called a crown block, an aerial crane, a crane and the like.
The small-size folding crane that is common in the market at present generally comprises base, support arm, cantilever, lifting rope, lifting hook, take-up pulley and driving motor, wherein support arm and cantilever are rotatable structure, so as to conveniently fold and accomodate, and support arm and cantilever are fixed with the cantilever through support arm and support arm by the screw rod in accomodating and expansion process generally, when the support arm is fixed, need the staff to rotate the support arm to certain angle back, insert the screw rod between support arm and the base and form fixedly, the staff needs to insert the screw rod while stabilizing support arm angle, inconvenient operation, and the screw rod can appear the phenomenon of misalignment because of opening the jack on support arm and the base in the inserting process, and then waste the equipment time of crane.
Therefore, in order to solve the above-mentioned problems, we propose a latch structure of a folding crane.
Disclosure of Invention
The utility model aims to provide a locking structure of a folding crane, which is used for solving the problems of the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hasp structure of folding loop wheel machine, includes the base, base upper surface fixed mounting has first connecting seat, the base upper surface is located first connecting seat one side fixed mounting and has the connecting plate, be provided with first fixing device between first connecting seat and the connecting plate, the spout has been seted up to the connecting plate inside, the spacing groove has been seted up to the spout inside, first connecting seat inside rotates and is connected with the support arm, support arm lateral wall fixed mounting has the handle, one side outer wall fixed mounting second connecting seat of handle is kept away from on the support arm top, the inside rotation of second connecting seat is connected with the cantilever, be provided with connecting axle and second fixing device between cantilever and the second connecting seat.
As a further description of the utility model: the first fixing device comprises a pedal, a sliding block matched with the sliding groove is fixedly arranged at the bottom of the pedal, a first telescopic pipe and a second telescopic pipe are fixedly arranged at the bottom of one end, far away from the pedal, of the sliding block, the first telescopic pipe and the second telescopic pipe are in sliding connection, the first telescopic pipe and the second telescopic pipe are located between the first connecting seat and the connecting plate, the bottom of the second telescopic pipe is fixedly connected with the base, and a compression spring is arranged in the second telescopic pipe.
As a further description of the utility model: the pedal is provided with the briquetting in one side that is close to first connecting seat, the lateral wall that the briquetting is close to the pedal is the hypotenuse design, briquetting is close to one side outer wall fixed mounting of first connecting seat has connecting rod and first inserted bar, first jack with first inserted bar looks adaptation has been seted up to inside first connecting seat and the support arm, the cover is equipped with first reset spring on the first inserted bar, and the both ends of first reset spring respectively with connecting rod and first connecting seat fixed connection.
As a further description of the utility model: the connecting shaft and the second fixing device are distributed along the diagonal line of the second connecting seat, and the cantilever is rotationally connected with the second connecting seat through the connecting shaft.
As a further description of the utility model: the second fixing device comprises a second inserted link, a limiting ring is fixedly sleeved on the second inserted link, a second reset spring is installed between the limiting ring and a second connecting seat, a pull ring is fixedly arranged at one end of the front face of the second inserted link, and a second jack matched with the second inserted link is formed in the second connecting seat and the cantilever.
As a further description of the utility model: the support arm lateral wall is located the top fixed mounting of handle and has two sets of fixed plates, two sets of rotation is connected with the take-up pulley between the fixed plate, fixed plate openly lateral wall fixed mounting has driving motor.
As a further description of the utility model: the base one side outer wall fixed mounting has the balancing weight, the inside articulated two sets of stabilizer blades that have of base, equal fixed mounting in balancing weight and stabilizer blade bottom has the universal wheel.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the first fixing device formed by the pedal, the sliding block, the pressing block and the like is designed on the lock catch structure of the folding crane, when the folding crane is used, the pedal can slide up and down along the sliding groove through the sliding block and is kept under the elastic force of the first telescopic pipe and the second telescopic pipe so as to press the pressing block, so that the pedal can give the pressing block, the connecting rod and the first inserting rod the power close to the supporting arm when the supporting arm extends, and the pressing block and the connecting rod can be driven by the elastic force of the first reset spring to withdraw from the first inserting hole formed in the supporting arm when the supporting arm is folded, so that the supporting arm can automatically adjust and fix the supporting arm in the folding and extending processes without manually adopting a bolt mode, and the assembly time is saved.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;
FIG. 2 is a schematic diagram of the distribution structure of the first connecting base, the connecting plate and the first fixing device according to the present utility model;
FIG. 3 is a schematic view showing the internal structure of the first fixing device according to the present utility model;
fig. 4 is a schematic structural view of a second fixing device according to the present utility model.
In the figure: 1. a base; 2. a first connection base; 3. a connecting plate; 4. a first fixing device; 401. a pedal; 402. a slide block; 403. a first telescopic tube; 404. a second telescopic tube; 405. briquetting; 406. a connecting rod; 407. a first plunger; 408. a first return spring; 5. a chute; 6. a limit groove; 7. a support arm; 8. a handle; 9. a fixing plate; 10. a driving motor; 11. a second connecting seat; 12. a cantilever; 13. a connecting shaft; 14. a second fixing device; 1401. a second plunger; 1402. a limiting ring; 1403. a second return spring; 1404. a pull ring; 15. balancing weight; 16. a support leg; 17. and a universal wheel.
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.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a hasp structure of folding loop wheel machine, including base 1, base 1 upper surface fixed mounting has first connecting seat 2, base 1 upper surface is located first connecting seat 2 one side fixed mounting and has connecting plate 3, be provided with first fixing device 4 between first connecting seat 2 and the connecting plate 3, spout 5 has been seted up to the inside spout 5, limit groove 6 has been seted up to the inside rotation of first connecting seat 2 is connected with support arm 7, support arm 7 lateral wall fixed mounting has handle 8, one side outer wall fixed mounting second connecting seat 11 of keeping away from handle 8 in support arm 7 top, the inside rotation of second connecting seat 11 is connected with cantilever 12, be provided with connecting axle 13 and second fixing device 14 between cantilever 12 and the second connecting seat 11.
In this embodiment: the first fixing device 4 comprises a pedal 401, a sliding block 402 matched with the sliding groove 5 is fixedly arranged at the bottom of the pedal 401, a first telescopic pipe 403 and a second telescopic pipe 404 are fixedly arranged at the bottom of one end, far away from the pedal 401, of the sliding block 402, the first telescopic pipe 403 and the second telescopic pipe 404 are in sliding connection, the first telescopic pipe 403 and the second telescopic pipe 404 are located between the first connecting seat 2 and the connecting plate 3, the bottom of the second telescopic pipe 404 is fixedly connected with the base 1, and a compression spring is arranged inside the second telescopic pipe 404.
The specific use is as follows: the pedal 401 can slide up and down along the chute 5 through the sliding block 402, and is kept under upward pressure by the elastic force of the first telescopic pipe 403 and the second telescopic pipe 404 so as to squeeze the pressing block 405, so that the pedal 401 can give the pressing block 405, the connecting rod 406 and the first inserting rod 407 power to approach the supporting arm 7 when the supporting arm 7 is extended.
In this embodiment: one side that footboard 401 is close to first connecting seat 2 is provided with briquetting 405, and the lateral wall that briquetting 405 is close to footboard 401 is the hypotenuse design, and briquetting 405 is close to one side outer wall fixed mounting of first connecting seat 2 has connecting rod 406 and first inserted bar 407, and first jack with first inserted bar 407 looks adaptation is seted up to inside first connecting seat 2 and the support arm 7, and the cover is equipped with first reset spring 408 on the first inserted bar 407, and the both ends of first reset spring 408 respectively with connecting rod 406 and first connecting seat 2 fixed connection.
The specific use is as follows: when the supporting arm 7 is folded, the pressing block 405 and the connecting rod 406 can drive the first inserting rod 407 to withdraw from the first inserting hole formed in the supporting arm 7 by the elastic force of the first restoring spring 408, so as to release the fixing of the supporting arm 7 and the first connecting seat 2.
In this embodiment: the connecting shaft 13 and the second fixing means 14 are distributed along a diagonal line of the second connecting seat 11, and the cantilever 12 is rotatably connected with the second connecting seat 11 through the connecting shaft 13.
The specific use is as follows: the cantilever 12 can rotate around the second connecting seat 11 through the connecting shaft 13 to adjust the angle of the cantilever 12, thereby folding the cantilever 12.
In this embodiment: the second fixing device 14 comprises a second inserted link 1401, a limiting ring 1402 is fixedly sleeved on the second inserted link 1401, a second reset spring 1403 is arranged between the limiting ring 1402 and a second connecting seat 11, a pull ring 1404 is fixedly arranged at one end of the front face of the second inserted link 1401, and a second jack matched with the second inserted link 1401 is formed in the second connecting seat 11 and the cantilever 12.
The specific use is as follows: when the contact cantilever 12 is fixed with the second connecting seat 11, the second plug rod 1401 can be pulled out of the second jack formed in the cantilever 12 through the pull ring 1404, and the second return spring 1403 can automatically drive the second plug rod 1401 to be inserted into the cantilever 12 during fixing, so that manual alignment is not required.
In this embodiment: two groups of fixing plates 9 are fixedly arranged above the handle 8 on the side wall of the supporting arm 7, a beam-retracting wheel is rotatably connected between the two groups of fixing plates 9, and a driving motor 10 is fixedly arranged on the side wall of the front face of the fixing plate 9.
The specific use is as follows: after the driving motor 10 is started, the beam-converging wheel can be driven to rotate so as to shorten or extend the length of the lifting rope, and then the height of the lifting hook is adjusted.
In this embodiment: the outer wall of one side of the base 1 is fixedly provided with a balancing weight 15, two groups of supporting legs 16 are hinged inside the base 1, and universal wheels 17 are fixedly arranged at the bottoms of the balancing weight 15 and the supporting legs 16.
The specific use is as follows: the balancing weight 15 can reduce the toppling phenomenon in the lifting process of the crane, the supporting legs 16 can improve the stability of the crane in the lifting process, and the universal wheels 17 facilitate the movement of the crane.
Working principle: when the crane is required to be folded, a worker can apply external force to the second inserting rod 1401 and the limiting ring 1402 through the pull ring 1404 to withdraw the second inserting rod 1401 from the second inserting hole formed in the cantilever 12, so as to release the fixation of the cantilever 12 and the second connecting seat 11, and then can rotate the cantilever 12 around the connecting shaft 13 to fold the cantilever 12.
Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof, and any modifications, equivalent substitutions, improvements and the like within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a hasp structure of folding loop wheel machine, includes base (1), its characterized in that: the utility model discloses a base, including base (1), support arm (7) lateral wall fixed mounting has handle (8), one side outer wall fixed mounting second connecting seat (11) that handle (8) was kept away from on support arm (7) top, second connecting seat (11) inside rotation is connected with cantilever (12), be provided with connecting axle (13) and second fixing device (14) between cantilever (12) and second connecting seat (11) between connecting seat (3) and connecting plate (3), spout (5) are inside to be offered to base (1) upper surface fixed mounting has first connecting seat (2), base (1) upper surface is located first connecting seat (2) one side fixed mounting has connecting plate (3), first fixing device (4) is provided with spout (5) inside to be offered to connecting plate (3).
2. The locking structure of a folding crane of claim 1, wherein: the first fixing device (4) comprises a pedal (401), a sliding block (402) matched with the sliding groove (5) is fixedly arranged at the bottom of the pedal (401), a first telescopic pipe (403) and a second telescopic pipe (404) are fixedly arranged at the bottom of one end of the sliding block (402) away from the pedal (401), the first telescopic pipe (403) and the second telescopic pipe (404) are in sliding connection, the first telescopic pipe (403) and the second telescopic pipe (404) are located between the first connecting seat (2) and the connecting plate (3), the bottom of the second telescopic pipe (404) is fixedly connected with the base (1), and a compression spring is arranged inside the second telescopic pipe (404).
3. The locking structure of a folding crane according to claim 2, wherein: one side that footboard (401) is close to first connecting seat (2) is provided with briquetting (405), the lateral wall that briquetting (405) is close to footboard (401) is the hypotenuse design, briquetting (405) are close to one side outer wall fixed mounting of first connecting seat (2) have connecting rod (406) and first inserted bar (407), first jack with first inserted bar (407) looks adaptation has been seted up to inside first connecting seat (2) and support arm (7), the cover is equipped with first reset spring (408) on first inserted bar (407), and the both ends of first reset spring (408) are with connecting rod (406) and first connecting seat (2) fixed connection respectively.
4. The locking structure of a folding crane of claim 1, wherein: the connecting shaft (13) and the second fixing device (14) are distributed along the diagonal line of the second connecting seat (11), and the cantilever (12) is rotationally connected with the second connecting seat (11) through the connecting shaft (13).
5. The locking structure of a folding crane of claim 1, wherein: the second fixing device (14) comprises a second inserted link (1401), a limiting ring (1402) is fixedly sleeved on the second inserted link (1401), a second reset spring (1403) is installed between the limiting ring (1402) and a second connecting seat (11), a pull ring (1404) is fixedly installed at one end of the front face of the second inserted link (1401), and second jacks matched with the second inserted link (1401) are formed in the second connecting seat (11) and the cantilever (12).
6. The locking structure of a folding crane of claim 1, wherein: two groups of fixing plates (9) are fixedly arranged above the handle (8) on the side wall of the supporting arm (7), a beam-collecting wheel is connected between the two groups of fixing plates (9) in a rotating mode, and a driving motor (10) is fixedly arranged on the side wall of the front face of the fixing plate (9).
7. The locking structure of a folding crane of claim 1, wherein: the base is characterized in that a balancing weight (15) is fixedly mounted on the outer wall of one side of the base (1), two groups of supporting legs (16) are hinged inside the base (1), and universal wheels (17) are fixedly mounted at the bottoms of the balancing weight (15) and the supporting legs (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321443214.7U CN219990996U (en) | 2023-06-08 | 2023-06-08 | Lock catch structure of folding crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321443214.7U CN219990996U (en) | 2023-06-08 | 2023-06-08 | Lock catch structure of folding crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219990996U true CN219990996U (en) | 2023-11-10 |
Family
ID=88610341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321443214.7U Active CN219990996U (en) | 2023-06-08 | 2023-06-08 | Lock catch structure of folding crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219990996U (en) |
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2023
- 2023-06-08 CN CN202321443214.7U patent/CN219990996U/en active Active
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| GR01 | Patent grant | ||
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