CN113353791A - Automatic clamping device and operation method - Google Patents
Automatic clamping device and operation method Download PDFInfo
- Publication number
- CN113353791A CN113353791A CN202110602959.2A CN202110602959A CN113353791A CN 113353791 A CN113353791 A CN 113353791A CN 202110602959 A CN202110602959 A CN 202110602959A CN 113353791 A CN113353791 A CN 113353791A
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- inner shaft
- clamping piece
- clamping
- cavity
- lock handle
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Classifications
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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
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses an automatic clamping device and an operation method, wherein a first cavity is processed inside a firmware, and an inner shaft is matched inside the first cavity in a sliding way; an anti-falling structure for preventing the inner shaft from falling off is arranged between the inner shaft and the first cavity; the bottom of the fixing piece is provided with a fixing piece bevel opening, a second cavity is processed inside the fixing piece bevel opening, and the lower part of the inner shaft and the second cavity form sliding fit; and the fixing piece is provided with an axial locking mechanism for locking the axial position of the inner shaft. The clamp is used for semi-automatically or automatically clamping the object, so that the object is conveniently fixed, carried or hoisted, the working efficiency is improved, and the safety and the effectiveness of the device are guaranteed.
Description
Technical Field
The invention relates to the technical field of auxiliary hoisting, in particular to an automatic clamping device and an operation method.
Background
In daily life, when people fix certain objects, the manual adjusting and fastening device is commonly used for clamping the objects, and the relative position between the clamp and the objects needs to be manually adjusted in the processes of putting the objects into the clamp and taking the objects out, so that the operation is time-consuming and labor-consuming; when the object is carried and hoisted, the object is bound or loaded by using auxiliary tools such as a lifting rope and the like and then hoisted by the hook, and the fastening effect is poor or the risk of falling off in the hoisting process is high due to human factors.
Disclosure of Invention
The invention aims to provide an automatic clamping device and an operation method thereof, so as to realize semi-automatic or automatic clamping of an object by a clamp, facilitate fixing, carrying or hoisting of the object, improve the working efficiency and ensure the safety and effectiveness of the device.
In order to achieve the technical features, the invention is realized as follows: an automatic clamping device comprises a fixing piece, wherein a first cavity is machined in the fixing piece, and an inner shaft is arranged in the first cavity in a sliding fit mode; an anti-falling structure for preventing the inner shaft from falling off is arranged between the inner shaft and the first cavity; the bottom of the fixing piece is provided with a fixing piece bevel opening, a second cavity is processed inside the fixing piece bevel opening, and the lower part of the inner shaft and the second cavity form sliding fit;
the fixing piece is provided with an axial locking mechanism for locking the axial position of the inner shaft;
an inner shaft resetting mechanism for driving the inner shaft to lift and reset is arranged between the second cavity and the lower part of the inner shaft;
the outer side wall of the lower part of the inner shaft is rotatably provided with a clamping piece through a clamping piece rotating shaft, and the top end of the clamping piece and the bottom end of the fixing piece bevel opening are provided with wedge-shaped structures;
and a clamping piece resetting mechanism for driving the clamping piece to reset is arranged between the clamping piece and the inner shaft.
And a hanging ring is reserved at the center of the top of the firmware.
The anti-disengaging structure comprises a limiting ring arranged on the inner side wall of the first cavity, and the limiting ring is matched with a limiting collar arranged at the top end of the inner shaft.
The firmware adopts a split structure and forms an integral structure through assembly; the first cavity and the second cavity are communicated and used for penetrating through the inner shaft.
The axial locking mechanism comprises lock handles which are symmetrically arranged, and the lock handles are rotatably arranged on the outer side wall of the fixing piece through a lock handle rotating shaft; the top of the lock handle is connected with the outer wall of the firmware in a matched mode through a lock handle return spring, a clamping arm is arranged at the bottom end of the lock handle, the clamping arm penetrates through a clamping arm through hole formed in the firmware, a limiting friction plate is fixed to the tail end of the clamping arm, and the limiting friction plate is matched with the outer side wall of the inner shaft and clamps and locks the inner shaft.
The lock handle return spring is initially in a compressed state, and the limit friction plate and the inner shaft are always in locking fit.
The inner shaft resetting mechanism comprises a first positioning column arranged at the top end in the second cavity and a second positioning column arranged at the top end of the lower part of the inner shaft, and an inner shaft resetting spring is arranged between the first positioning column and the second positioning column.
The wedge-shaped structure comprises an upper wedge-shaped surface processed on the outer wall of the lower opening of the oblique opening of the fastener, the upper wedge-shaped surface is matched with a lower wedge-shaped surface processed on the upper part of the clamping piece, and the clamping piece is driven to rotate around a rotating shaft of the clamping piece to be locked.
The clamping piece resetting mechanism comprises a third positioning column fixed on the inner side wall of the clamping piece and a fourth positioning column fixed on the outer side wall of the inner shaft, and a clamping piece resetting spring is positioned and installed between the third positioning column and the fourth positioning column;
and a locking hook head is processed on the inner side wall of the bottom end of the clamping piece.
Method of operating an automatic clamping device, comprising the steps of:
the method comprises the following steps: when the device is used, the device is placed on an object to be clamped, the upper end of the lock handle is pinched, the reset spring of the lock handle is compressed, the tail end limiting friction plate is separated from the inner shaft, the reset spring of the inner shaft is released to push the inner shaft to slide downwards, the oblique opening of the fixing piece moves towards the direction of separating from the clamping piece, the reset spring of the clamping piece is released, and the lower end of the clamping piece is opened so that the clamped object can be placed between the clamping pieces;
step two: the upper end of the lock handle is held, the fixing piece is pressed downwards to enable the inner shaft to slide upwards, the inclined opening of the fixing piece moves downwards to force the upper end of the clamping piece to open, the return spring of the clamping piece is compressed, and the lower end of the clamping piece is folded to clamp an object;
step three: the upper end of the lock handle is released, the limiting friction plate locks the inner shaft to limit the inner shaft to slide, and the object is ensured to be in a clamping state in the fixing, carrying or hoisting process;
step four: when the object is released, the upper end of the lock handle is pinched again, the lock handle return spring is compressed, the tail end limiting friction plate is separated from the inner shaft, the inner shaft return spring is released to push the inner shaft to slide downwards, the oblique opening of the fixing piece moves towards the direction of separating from the clamping piece, the clamping piece return spring is released, the lower end of the clamping piece is opened, and the release of the clamped object is realized.
The invention has the following beneficial effects:
1. by adopting the automatic clamping device, the object can be semi-automatically or automatically clamped by the clamp, so that the object can be conveniently fixed, carried or hoisted, the working efficiency is improved, and the safety and the effectiveness of the device are ensured.
2. Through foretell rings can be convenient hoist and mount whole device through foretell.
3. Through foretell anti-disengaging structure can effectually prevent that interior axle from taking place the danger that drops.
4. The split structure is adopted to facilitate the installation of the inner shaft.
5. The axial locking mechanism can be used for locking and fixing the inner shaft, and is convenient for unlocking.
6. The inner shaft can be ensured to be always in a locking state through the lock handle return spring.
7. The inner shaft resetting mechanism can be used for lifting and resetting the inner shaft.
8. The clamping piece is convenient to drive to rotate through the wedge-shaped structure.
9. The opening and resetting of the clamping pieces can be realized through the clamping piece resetting mechanism.
10. The locking hook head can be matched with the connecting boss at the top end of an object conveniently.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a front view of the overall structure of the present invention.
FIG. 2 is a state diagram of the steps in use of the invention.
FIG. 3 is a state diagram of the steps in use of the present invention.
Fig. 4 is a state diagram of the steps in use of the invention.
FIG. 5 is a state diagram of the four steps in use of the invention.
In the figure: 1-fixing piece, 2-inner shaft, 3-clamping piece, 4-locking handle, 5-fixing piece bevel opening, 6-locking handle rotating shaft, 7-lifting ring, 8-clamping piece rotating shaft, 9-inner shaft return spring, 10-clamping piece return spring, 11-locking handle return spring, 12-limiting friction plate, 13-first cavity, 14-limiting collar, 15-limiting ring, 16-second cavity, 17-upper wedge-shaped surface, 18-lower wedge-shaped surface, 19-locking hook head, 20-clamping arm through hole, 21-object, 22-connecting boss, 23-first positioning column, 24-second positioning column, 25-fourth positioning column and 26-third positioning column.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-5, an automatic clamping device comprises a fixed member 1, a first cavity 13 is formed inside the fixed member 1, and an inner shaft 2 is slidably fitted inside the first cavity 13; an anti-falling structure for preventing the inner shaft 2 from falling off is arranged between the inner shaft 2 and the first cavity 13; a fastener bevel opening 5 is formed in the bottom of the fastener 1, a second cavity 16 is machined in the fastener bevel opening 5, and the lower part of the inner shaft 2 is in sliding fit with the second cavity 16; the fixed part 1 is provided with an axial locking mechanism for locking the axial position of the inner shaft 2; an inner shaft resetting mechanism for driving the inner shaft 2 to lift and reset is arranged between the second cavity 16 and the lower part of the inner shaft 2; the outer side wall of the lower part of the inner shaft 2 is rotatably provided with a clamping piece 3 through a clamping piece rotating shaft 8, and the top end of the clamping piece 3 and the bottom end of the fixing piece bevel opening 5 are provided with wedge-shaped structures; and a clamping piece resetting mechanism for driving the clamping piece 3 to reset is arranged between the clamping piece 3 and the inner shaft 2. By adopting the device, the articles can be automatically clamped, so that the articles can be conveniently hoisted or conveyed, the working efficiency is improved, and the device is safe and effective.
Furthermore, a hanging ring 7 is reserved at the center of the top of the fixing piece 1. The whole device can be conveniently hoisted through the hoisting ring 7.
Further, the anti-disengaging structure includes a limiting ring 15 disposed on the inner side wall of the first cavity 13, and the limiting ring 15 is matched with a limiting collar 14 disposed at the top end of the inner shaft 2. The danger that the inner shaft 2 falls off can be effectively prevented through the anti-falling structure.
Further, the firmware 1 adopts a split structure and forms an integral structure through assembly; the first cavity 13 and the second cavity 16 are communicated with each other and are used for penetrating the inner shaft 2. The installation of the inner shaft 2 is facilitated by adopting a split structure.
Further, the axial locking mechanism comprises lock handles 4 which are symmetrically arranged, and the lock handles 4 are rotatably arranged on the outer side wall of the fixing piece 1 through lock handle rotating shafts 6; the top of the lock handle 4 is connected with the outer wall of the firmware 1 through a lock handle return spring 11 in a matching manner, the bottom end of the lock handle 4 is provided with a clamping arm, the clamping arm penetrates through a clamping arm through hole 20 processed on the firmware 1, a limiting friction plate 12 is fixed at the tail end of the clamping arm, and the limiting friction plate 12 is matched with the outer side wall of the inner shaft 2 and clamps and locks the inner shaft. The axial locking mechanism can be used for locking and fixing the inner shaft 2 and is convenient for unlocking.
Further, the lock handle return spring 11 is initially in a compressed state, and the locking fit between the limit friction plate 12 and the inner shaft 2 is always ensured. The inner shaft 2 can be always kept in a locked state by the lock handle return spring 11.
Further, the inner shaft resetting mechanism comprises a first positioning column 23 arranged at the top end in the second cavity 16 and a second positioning column 24 arranged at the bottom end of the inner shaft 2, and an inner shaft resetting spring 9 is arranged between the first positioning column 23 and the second positioning column 24. The inner shaft resetting mechanism can be used for lifting and resetting the inner shaft.
Further, the wedge-shaped structure comprises an upper wedge-shaped surface 17 processed on the outer wall of the lower opening of the fastener bevel opening 5, and the upper wedge-shaped surface 17 is matched with a lower wedge-shaped surface 18 processed on the upper part of the clamping piece 3 and drives the clamping piece 3 to rotate and lock around the clamping piece rotating shaft 8. The wedge-shaped structure is convenient for driving the clamping piece 3 to rotate.
Further, the clamping piece resetting mechanism comprises a third positioning column 26 fixed on the inner side wall of the clamping piece 3 and a fourth positioning column 25 fixed on the outer side wall of the inner shaft 2, and a clamping piece resetting spring 10 is positioned and installed between the third positioning column 26 and the fourth positioning column 25. The opening and resetting of the clamping piece 3 can be realized through the clamping piece resetting mechanism.
Furthermore, a locking hook head 19 is processed on the inner side wall of the bottom end of the clamping piece 3. The locking hook head 19 can be matched with a connecting boss at the top end of an object conveniently.
Example 2:
method of operating an automatic clamping device, comprising the steps of:
the method comprises the following steps: when the device is used, the device is placed on an object 21 to be clamped, the upper end of the lock handle 4 is pinched, the lock handle return spring 11 is compressed, the tail end limiting friction plate 12 is separated from the inner shaft 2, the inner shaft return spring 9 is released to push the inner shaft 2 to slide downwards, the fastener bevel opening 5 moves towards the direction separated from the clamping piece 3, the clamping piece return spring 10 is released, and the lower end of the clamping piece 3 is opened so that the clamped object can be placed between the clamping pieces 3;
step two: the upper end of the lock handle 4 is pinched, the fixing piece 1 is pressed downwards, the inner shaft 2 slides upwards, the fixing piece bevel opening 5 moves downwards to force the upper end of the clamping piece 3 to be opened, the clamping piece reset spring 10 is compressed, and the lower end of the clamping piece 3 is folded, so that the object is clamped;
step three: the upper end of the lock handle 4 is released, the limiting friction plate 12 locks the inner shaft 2 to limit the sliding of the inner shaft, and the object is ensured to be in a clamping state in the fixing, carrying or hoisting process;
step four: when an object is released, the upper end of the lock handle 4 is pinched again, the lock handle return spring 11 is compressed, the tail end limiting friction plate 12 is separated from the inner shaft 2, the inner shaft return spring 9 is released to push the inner shaft 2 to slide downwards, the fastener bevel opening 5 moves towards the direction of separating from the clamping piece 3, the clamping piece return spring 10 is released, the lower end of the clamping piece 3 is opened, and the release of the clamped object is realized.
Claims (10)
1. An automatic clamping device which characterized in that: the fixing device comprises a fixing piece (1), wherein a first cavity (13) is machined in the fixing piece (1), and an inner shaft (2) is arranged in the first cavity (13) in a sliding fit manner; an anti-falling structure for preventing the inner shaft (2) from falling off is arranged between the inner shaft (2) and the first cavity (13); a fastener bevel (5) is arranged at the bottom of the fastener (1), a second cavity (16) is processed inside the fastener bevel (5), and the lower part of the inner shaft (2) is in sliding fit with the second cavity (16);
the fixing piece (1) is provided with an axial locking mechanism for locking the axial position of the inner shaft (2);
an inner shaft resetting mechanism for driving the inner shaft (2) to lift and reset is arranged between the second cavity (16) and the lower part of the inner shaft (2);
the outer side wall of the lower part of the inner shaft (2) is rotatably provided with a clamping piece (3) through a clamping piece rotating shaft (8), and the top end of the clamping piece (3) and the bottom end of the fixing piece bevel opening (5) are provided with wedge-shaped structures;
and a clamping piece resetting mechanism for driving the clamping piece (3) to reset is arranged between the clamping piece (3) and the inner shaft (2).
2. An automatic clamping device as claimed in claim 1, characterized in that: and a hanging ring (7) is reserved at the center of the top of the firmware (1).
3. An automatic clamping device as claimed in claim 1, characterized in that: the anti-disengaging structure comprises a limiting ring (15) arranged on the inner side wall of the first cavity (13), and the limiting ring (15) is matched with a limiting collar (14) arranged at the top end of the inner shaft (2).
4. An automatic clamping device as claimed in claim 1, characterized in that: the firmware (1) adopts a split structure and forms an integral structure through assembly; the first cavity (13) and the second cavity (16) are communicated and used for penetrating the inner shaft (2).
5. An automatic clamping device as claimed in claim 1, characterized in that: the axial locking mechanism comprises lock handles (4) which are symmetrically arranged, and the lock handles (4) are rotatably arranged on the outer side wall of the fixing piece (1) through lock handle rotating shafts (6); the top of the lock handle (4) is connected with the outer wall of the firmware (1) in a matched mode through a lock handle return spring (11), a clamping arm is arranged at the bottom end of the lock handle (4), the clamping arm penetrates through a clamping arm through hole (20) machined in the firmware (1), a limiting friction plate (12) is fixed to the tail end of the clamping arm, and the limiting friction plate (12) is matched with the outer side wall of the inner shaft (2) and clamped and locked.
6. An automatic clamping device as claimed in claim 5, characterized in that: the lock handle return spring (11) is initially in a compressed state, and the limit friction plate (12) and the inner shaft (2) are always in locking fit.
7. An automatic clamping device as claimed in claim 1, characterized in that: the inner shaft resetting mechanism comprises a first positioning column (23) arranged at the top end in the second cavity (16) and a second positioning column (24) arranged at the top end of the lower part of the inner shaft (2), and an inner shaft resetting spring (9) is arranged between the first positioning column (23) and the second positioning column (24).
8. An automatic clamping device as claimed in claim 1, characterized in that: the wedge structure comprises an upper wedge surface (17) machined on the outer wall of a lower opening of the fastener bevel opening (5), wherein the upper wedge surface (17) is matched with a lower wedge surface (18) machined on the upper portion of the clamping piece (3) and drives the clamping piece (3) to rotate around the clamping piece rotating shaft (8) for locking.
9. An automatic clamping device as claimed in claim 1, characterized in that: the clamping piece resetting mechanism comprises a third positioning column (26) fixed on the inner side wall of the clamping piece (3) and a fourth positioning column (25) fixed on the outer side wall of the inner shaft (2), and a clamping piece resetting spring (10) is positioned and installed between the third positioning column (26) and the fourth positioning column (25);
and a locking hook head (19) is processed on the inner side wall of the bottom end of the clamping piece (3).
10. Method for operating an automatic clamping device according to any one of claims 1 to 9, characterized in that it comprises the following steps:
the method comprises the following steps: when the device is used, the device is placed on an object (21) to be clamped, the upper end of a lock handle (4) is pinched, a lock handle return spring (11) is compressed, a tail end limiting friction plate (12) is separated from an inner shaft (2), the inner shaft return spring (9) is released to push the inner shaft (2) to slide downwards, a fastener bevel opening (5) moves towards the direction of separating from a clamping piece (3), a clamping piece return spring (10) is released, and the lower end of the clamping piece (3) is opened so that the clamped object can be placed between the clamping pieces (3);
step two: the upper end of the lock handle (4) is pinched, the fixing piece (1) is pressed downwards, the inner shaft (2) slides upwards, the fixing piece bevel opening (5) moves downwards, the upper end of the clamping piece (3) is forced to be opened, the clamping piece reset spring (10) is compressed, and the lower end of the clamping piece (3) is folded, so that the object is clamped;
step three: the upper end of the lock handle (4) is released, the limiting friction plate (12) locks the inner shaft (2) to limit the sliding of the inner shaft, and the object is ensured to be in a clamping state in the fixing, carrying or hoisting process;
step four: when an object is released, the upper end of the lock handle (4) is pinched again, the lock handle return spring (11) is compressed, the tail end limiting friction plate (12) is separated from the inner shaft (2), the inner shaft return spring (9) is released to push the inner shaft (2) to slide downwards, the fastener bevel opening (5) moves towards the direction of separating from the clamping piece (3), the clamping piece return spring (10) is released, and the lower end of the clamping piece (3) is opened to release the clamped object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110602959.2A CN113353791B (en) | 2021-05-31 | 2021-05-31 | Automatic clamping device and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110602959.2A CN113353791B (en) | 2021-05-31 | 2021-05-31 | Automatic clamping device and operation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113353791A true CN113353791A (en) | 2021-09-07 |
| CN113353791B CN113353791B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110602959.2A Active CN113353791B (en) | 2021-05-31 | 2021-05-31 | Automatic clamping device and operation method |
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| Country | Link |
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| CN (1) | CN113353791B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863419A (en) * | 2021-11-09 | 2021-12-31 | 成都开源智创工程机械设备有限公司 | Lifting and releasing device |
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| CN212024557U (en) * | 2020-04-30 | 2020-11-27 | 中建七局安装工程有限公司 | Adjustable special lifting appliance with column top cover plate column body |
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| US2507127A (en) * | 1948-12-27 | 1950-05-09 | Standard Oil Dev Co | Automatic drill pipe elevator |
| SU612000A1 (en) * | 1976-04-16 | 1978-06-25 | Maksimenko Vladimir V | Screw rod elevator |
| GB2018220A (en) * | 1978-03-10 | 1979-10-17 | Northern Eng Ind | Grab mechanism |
| DE3010524A1 (en) * | 1980-03-17 | 1981-09-24 | AMD-Vertriebsgesellschaft für Antriebstechnik mbH, 5800 Hagen | Self-tightening grab assembly - has bell-crank levers forming jaws attached to spring loaded cross member |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863419A (en) * | 2021-11-09 | 2021-12-31 | 成都开源智创工程机械设备有限公司 | Lifting and releasing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113353791B (en) | 2024-06-14 |
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