CN112357741B - Universal lifting point adjusting and limiting mechanism for lifting appliance - Google Patents
Universal lifting point adjusting and limiting mechanism for lifting appliance Download PDFInfo
- Publication number
- CN112357741B CN112357741B CN202011158122.5A CN202011158122A CN112357741B CN 112357741 B CN112357741 B CN 112357741B CN 202011158122 A CN202011158122 A CN 202011158122A CN 112357741 B CN112357741 B CN 112357741B
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- Prior art keywords
- push
- pull rod
- shaped plate
- lifting
- lifting point
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
Abstract
The invention relates to a general lifting point adjusting and limiting mechanism for a lifting appliance, and belongs to the technical field of launching. A hoisting point locking rack 8 is fixed on the inner side of the bottom end of a U-shaped plate 1; the handle 3 is fixed on the push-pull rod 5 through a handle connecting pin 4; the cam 7 is fixed in the middle of the push-pull rod 5 through a cam connecting pin 16; the anti-rotation plug 12 is connected to the other end of the push-pull rod 5 through threads; the push-pull rod 5 is arranged on the U-shaped plate 1 through small clearance fit with the holes on the U-shaped plate 1; the locking seat 11 is fixed on the other side of the U-shaped plate 1 and is matched with the anti-rotation plug 12 to limit the transverse direction of the push-pull rod 5; a spring 13 is sleeved outside the push-pull rod 5 between the cam 7 and the U-shaped plate 1 at the side of the locking seat 11; the shackle 15 is fixed at the upper end of the U-shaped plate 1 through a shackle fixing shaft 14 to form a lifting point. The invention can realize the stepless adjustment of the position of the lifting point in the axial direction, is simple and convenient, has simple structure, strong generalization and low cost, and can be suitable for different products.
Description
Technical Field
The invention belongs to the technical field, and particularly relates to a lifting point adjusting and limiting mechanism of a general lifting appliance.
Background
Due to the heavy weight of the weapon launching equipment, the weapon launching equipment needs to be hoisted by a hoisting tool in various using processes.
At present, because the differences of the weight, the size and the height of the hoisting points of the launching boxes with different models are large, the use parameters of various hoisting devices are different, and the gravity center positions of the launching box products with the same model are different when the launching boxes are used at no-load, full-load, 0 degrees and other angles, so that the launching boxes with different models are generally hoisted by using special hoists, and in the using process, the using working conditions of different gravity center positions under different states of no-load, full-load, 0 degrees and other angles are met by setting a plurality of hoisting point hole positions.
Although the problem of hoisting the launching box can be solved by using the special lifting appliance, different lifting appliances are required to be equipped for different types of products, and special description is given, so that the management is not facilitated.
According to certain customer's requirement, need a general hoist, can satisfy simultaneously that 2 types of different weight launching box, 2 types packing box carry out the hoist and mount operation under 4 kinds of products, 12 kinds of service behavior altogether. The special lifting appliance cannot meet the requirements.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the technical problem of how to provide a general lifting point adjusting and limiting mechanism of a lifting appliance so as to solve the lifting problem of launching boxes of different types of products.
(II) technical scheme
In order to solve the technical problem, the invention provides a lifting point adjusting and limiting mechanism of a universal lifting appliance, which comprises a U-shaped plate (1), a handle (3), a handle connecting pin (4), a push-pull rod (5), a cam (7), a lifting point locking rack (8), a locking seat (11), an anti-rotation plug (12), a spring (13), a shackle fixing shaft (14), a shackle (15) and a cam connecting pin (16), wherein the lifting point locking rack (8) is fixed on the inner side of the bottom end of the U-shaped plate (1); the handle (3) is fixed on the push-pull rod (5) through the handle connecting pin (4); the cam (7) is fixed at the middle position of the push-pull rod (5) through the cam connecting pin (16); the anti-rotation plug (12) is connected to the other end of the push-pull rod (5) through threads; the push-pull rod (5) is arranged on the U-shaped plate (1) through clearance fit with holes on the U-shaped plate (1); the locking seat (11) is fixed on the other side of the U-shaped plate (1), is matched with the anti-rotation plug (12) to limit the transverse direction of the push-pull rod (5), and prevents the push-pull rod (5) from rotating in a locking state to cause accidental unlocking of a mechanism; the spring (13) is sleeved outside the push-pull rod (5) between the cam (7) and the U-shaped plate (1) on the side of the locking seat (11); the shackle (15) is fixed at the upper end of the U-shaped plate (1) through the shackle fixing shaft (14) to form a hanging point.
Furthermore, the anti-rotation plug (12) is connected to the other end of the push-pull rod (5) through threads and can move transversely along with the push-pull rod (5).
Furthermore, the locking seat (11) is provided with a groove for limiting the transverse direction of the push-pull rod (5) by limiting the anti-rotation plug (12).
Further, the hoisting point adjusting and limiting mechanism further comprises a scale (2), wherein the scale (2) is fixed on the U-shaped plate (1) and used for indicating the position of the hoisting point in the axial direction.
Furthermore, a step is designed on the push-pull rod (5), and the step is matched with the spring (13) to limit the cam (7) in the middle of the U-shaped plate (1).
Further, the cam (7) is provided with a long edge and is used for being pressed on a pressing flat plate (6) at the upper end of the hanging beam body (10).
Furthermore, when the lifting point adjusting and limiting mechanism is in a locking state, the lifting point locking rack (8) on the inner side of the bottom end of the U-shaped plate (1) and the long rack (9) of the lifting beam body (10) are in a pressing state.
(III) advantageous effects
The invention provides a general lifting appliance lifting point adjusting and limiting mechanism, which has the following advantages:
(1) The lifting point adjusting and limiting mechanism can realize stepless adjustment of the position of the lifting point in the axial direction;
(2) The lifting point adjusting and limiting mechanism utilizes the matching of the rack and the self-locking function, so that the lifting working conditions of different products with different inclination angles can be realized;
(3) After the hoisting point adjusting and limiting mechanism is assembled, the traditional operations of screwing a nut, penetrating a pin hole and the like are not needed in the using process, and the hoisting point adjusting and limiting mechanism is simple and convenient;
(4) The lifting point adjusting and limiting mechanism is simple in structure, strong in universality, low in cost, good in practicability and capable of being widely used.
(5) The lifting point adjusting and limiting mechanism can be applied to products of similar models.
Drawings
Fig. 1 (a) is a structural schematic diagram of a locking state of a general lifting point adjusting and limiting mechanism of a lifting appliance;
FIG. 1 (b) is a schematic view of the overall structure of the locking state of the universal lifting point adjusting and limiting mechanism of the lifting appliance;
fig. 2 (a) is a structural schematic diagram of an unlocking state of a universal lifting point adjusting and limiting mechanism of a lifting appliance;
fig. 2 (b) is a partial structure diagram of the unlocking state of the general lifting point adjusting and limiting mechanism of the lifting appliance.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
The invention aims to provide a lifting point adjusting and limiting mechanism of a universal lifting appliance, which can be used for stepless adjustment of the lifting point position of the universal lifting appliance so as to meet the lifting operation of launching box products in various models and different states.
The technical scheme of the invention is as follows: the device comprises a U-shaped plate, a hoisting point locking rack, a handle, a push-pull rod, a handle connecting pin, a cam connecting pin, a spring, a locking seat, an anti-rotation plug, a shackle fixing shaft, a shackle and a scale. The hoisting point locking rack is fixed on the inner side of the bottom end of the U-shaped plate; the handle, the push-pull rod and the cam are fixed together and are arranged on the U-shaped plate through small clearance fit with holes on the U-shaped plate, and the anti-rotation plug is connected to the other end of the push-pull rod through threads and can transversely move along with the push-pull rod; the locking seat is fixed on the other side of the U-shaped plate, and the transverse direction of the push-pull rod is limited through the anti-rotation plug; a step is designed on the push-pull rod and is matched with the spring to limit the cam in the middle of the U-shaped plate; the shackle is fixed at the upper end of the U-shaped plate through a shackle fixing shaft to form a hanging point; and the scale is fixed on the U-shaped plate and used for indicating the position of the lifting point in the axial direction.
At ordinary times, the hoisting point locking rack on the inner side of the bottom end of the U-shaped plate is matched with the long rack of the hoisting beam body, so that the hoisting point is in a locking state, when the hoisting point needs to be adjusted, the push-pull rod is pushed through the handle, the spring force is overcome, the boss on the anti-rotation plug is separated from the groove on the locking seat, then the cam short edge faces to the pressing plane of the hoisting beam through rotation, the hoisting point locking rack on the U-shaped plate is separated from the rack on the hoisting beam in an unlocking mode, and the U-shaped plate can be adjusted in the axial direction through pushing. After the scale indicates a new position, the handle is rotated to enable the cam to be pressed on the pressing plane of the hanging beam again, so that the hanging point can be in a locking state again, and the product can be lifted under other working conditions.
The preferred embodiment of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-2, the hoisting point adjusting and limiting mechanism comprises a U-shaped plate 1, a scale 2, a handle 3, a handle connecting pin 4, a push-pull rod 5, a cam 7, a hoisting point locking rack 8, a locking seat 11, an anti-rotation plug 12, a spring 13, a shackle fixing shaft 14, a shackle 15 and a cam connecting pin 16.
The hoisting point locking rack 8 is fixed on the inner side of the bottom end of the U-shaped plate 1; the handle 3 is fixed on the push-pull rod 5 through a handle connecting pin 4; the cam 7 is fixed in the middle of the push-pull rod 5 through a cam connecting pin 16; the anti-rotation plug 12 is connected to the other end of the push-pull rod 5 through threads; the push-pull rod 5 is arranged on the U-shaped plate 1 through matching with the small hole clearance on the U-shaped plate 1; the locking seat 11 is fixed on the other side of the U-shaped plate 1, is matched with the anti-rotation plug 12 to limit the transverse direction of the push-pull rod 5, and prevents the push-pull rod 5 from rotating in a locking state to cause the accidental unlocking of the mechanism; the spring 13 is sleeved outside the push-pull rod 5 between the cam 7 and the U-shaped plate 1 on the side of the locking seat 11; the shackle 15 is fixed at the upper end of the U-shaped plate 1 through a shackle fixing shaft 14 to form a hanging point; and a scale 2 is fixed on the U-shaped plate 1 and used for indicating the position of the lifting point in the axial direction.
Preferably, the anti-rotation plug 12 is connected to the other end of the push-pull rod 5 through a thread, and can move transversely with the push-pull rod 5.
Preferably, the locking seat 11 is provided with a groove for limiting the transverse direction of the push-pull rod 5 by limiting the rotation-preventing plug 12.
Preferably, the push-pull rod 5 is provided with a step, and the step cooperates with the spring 13 to limit the cam 7 in the middle of the U-shaped plate 1.
Preferably, the cam 7 has a long side for pressing against the pressing plate 6 at the upper end of the suspension beam body 10.
Preferably, when the hoisting point adjusting and limiting mechanism is in a locking state, the hoisting point locking rack 8 on the inner side of the bottom end of the U-shaped plate 1 and the long rack 9 of the hoisting beam body 10 are in a pressing state.
At ordinary times, the hoisting point adjusting and limiting mechanism is in a locking state, the hoisting point locking rack 8 on the inner side of the bottom end of the U-shaped plate 1 and the long rack 9 of the hoisting beam body 10 are in a pressing state, and the long edge of the cam 7 is pressed on the pressing flat plate 6 at the upper end of the hoisting beam body 10. When the lifting point is required to be adjusted, the push-pull rod 5 is pushed through the handle 3, the pretightening force of the spring 13 is overcome, the boss on the anti-rotation plug 12 is separated from the groove on the locking seat 11, then the long edge of the cam 7 is separated from the pressing flat plate 6 of the lifting beam through rotation, the lifting point locking rack 8 on the U-shaped plate 1 is unlocked and separated from the long rack 9 on the lifting beam body 10, and the lifting point can be adjusted in the axial direction by pushing the U-shaped plate 1. After the scale 2 indicates a new position, the handle 3 is rotated to enable the long edge of the cam 7 to be compressed on the compression flat plate 6 of the hanging beam body 10 again, so that the hanging point can be in a locking state again, and the product is lifted under other working conditions.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various modifications and variations without departing from the technical principle of the present invention, and those modifications and variations should be regarded as the protection scope of the present invention.
Claims (7)
1. The lifting point adjusting and limiting mechanism of the universal lifting appliance is characterized by comprising a U-shaped plate (1), a handle (3), a handle connecting pin (4), a push-pull rod (5), a cam (7), a lifting point locking rack (8), a locking seat (11), an anti-rotation plug (12), a spring (13), a shackle fixing shaft (14), a shackle (15) and a cam connecting pin (16), wherein the lifting point locking rack (8) is fixed on the inner side of the bottom end of the U-shaped plate (1); the handle (3) is fixed on the push-pull rod (5) through the handle connecting pin (4); the cam (7) is fixed at the middle position of the push-pull rod (5) through the cam connecting pin (16); the anti-rotation plug (12) is connected to the other end of the push-pull rod (5) through threads; the push-pull rod (5) is arranged on the U-shaped plate (1) through clearance fit with holes on the U-shaped plate (1); the locking seat (11) is fixed on the other side of the U-shaped plate (1), is matched with the anti-rotation plug (12) to limit the transverse direction of the push-pull rod (5), and prevents the push-pull rod (5) from rotating in a locking state to cause accidental unlocking of a mechanism; the spring (13) is sleeved outside the push-pull rod (5) between the cam (7) and the U-shaped plate (1) on the side of the locking seat (11); the shackle (15) is fixed at the upper end of the U-shaped plate (1) through the shackle fixing shaft (14) to form a hanging point.
2. The universal sling lifting point adjusting and limiting mechanism according to claim 1, wherein the anti-rotation plug (12) is connected to the other end of the push-pull rod (5) through a thread and can move transversely with the push-pull rod (5).
3. The universal spreader lifting point adjustment limiting mechanism according to claim 1, wherein the locking seat (11) has a slot for limiting the transverse direction of the push-pull rod (5) by limiting the rotation-preventing plug (12).
4. The universal spreader lifting point adjustment limiting mechanism according to claim 1, further comprising a scale (2), wherein the scale (2) is fixed on the U-shaped plate (1) for indicating the position of the lifting point in the axial direction.
5. The universal spreader lifting point adjustment limiting mechanism according to claim 1, wherein the push-pull rod (5) is provided with a step, and the step cooperates with the spring (13) to limit the cam (7) in the middle of the U-shaped plate (1).
6. The universal spreader lifting point adjustment limiting mechanism according to claim 1, wherein the cam (7) has a long side for pressing against the pressing plate (6) at the upper end of the lifting beam body (10).
7. The universal lifting appliance lifting point adjusting and limiting mechanism of claim 1, characterized in that when the lifting point adjusting and limiting mechanism is in a locking state, the lifting point locking rack (8) on the inner side of the bottom end of the U-shaped plate (1) and the long rack (9) of the lifting beam body (10) are in a pressing state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011158122.5A CN112357741B (en) | 2020-10-26 | 2020-10-26 | Universal lifting point adjusting and limiting mechanism for lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011158122.5A CN112357741B (en) | 2020-10-26 | 2020-10-26 | Universal lifting point adjusting and limiting mechanism for lifting appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112357741A CN112357741A (en) | 2021-02-12 |
| CN112357741B true CN112357741B (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011158122.5A Active CN112357741B (en) | 2020-10-26 | 2020-10-26 | Universal lifting point adjusting and limiting mechanism for lifting appliance |
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| CN (1) | CN112357741B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1389151A (en) * | 1973-06-26 | 1975-04-03 | Parsons Chain Co Ltd | Chain sling adjusting devices |
| CN206108713U (en) * | 2016-08-30 | 2017-04-19 | 南京依维柯汽车有限公司 | Hoist is carried to auttombilism room |
| CN109279499B (en) * | 2018-11-23 | 2023-08-22 | 新乡市豫新起重机械有限公司 | Special self-balancing hanging beam for long object lifting and crane |
| CN210944553U (en) * | 2019-10-23 | 2020-07-07 | 天津派克流体机械有限公司 | Stator lifting appliance of electric automobile |
| CN111302225B (en) * | 2020-03-30 | 2021-07-20 | 潍柴动力股份有限公司 | Hoist and mount turning device |
-
2020
- 2020-10-26 CN CN202011158122.5A patent/CN112357741B/en active Active
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| CN112357741A (en) | 2021-02-12 |
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