CN215755973U - Clamp lifting appliance with anti-skidding structure - Google Patents
Clamp lifting appliance with anti-skidding structure Download PDFInfo
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- CN215755973U CN215755973U CN202121810770.4U CN202121810770U CN215755973U CN 215755973 U CN215755973 U CN 215755973U CN 202121810770 U CN202121810770 U CN 202121810770U CN 215755973 U CN215755973 U CN 215755973U
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- connecting rod
- clamping jaw
- clamping
- clamp
- splint
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Abstract
The utility model relates to a clamp hoist with antiskid structure especially relates to hoist and mount clamp technical field, and it includes the clamp, the clamp includes two first connecting rods and two second connecting rods, two first connecting rods are articulated each other, the one end that the pin joint was kept away from to first connecting rod rotates with the second connecting rod to be connected, two articulated formation pin joints each other of second connecting rod, the one end fixedly connected with clamping jaw that first connecting rod was kept away from to the second connecting rod, and the one end that the second connecting rod was kept away from to the clamping jaw is provided with splint, be provided with between clamping jaw and the splint and make both rotate the slewing mechanism who connects. This application has the effect that improves the stability and the security that the work piece was by the centre gripping.
Description
Technical Field
The application relates to the field of hoisting clamp technology, in particular to a clamp lifting appliance with an anti-skidding structure.
Background
The clamp sling is a tool for clamping, fastening or hoisting, and is widely applied to industries such as metallurgy, transportation, railway, port and the like.
Referring to fig. 1, in the related art, the clamp hanger includes a hanging ring 6, a clamp 1 is hinged to the hanging ring 6, the clamp 1 includes two first connecting rods 11 hinged to the hanging ring 6, one end of the first connecting rod 11, which is far away from the hanging ring 6, is rotatably connected to a second connecting rod 12, the middle portions of the two second connecting rods 12 are hinged to each other, one end of the second connecting rod 12, which is far away from the first connecting rod 11, is fixedly connected to a clamping jaw 2, one end of the clamping jaw 2, which is far away from the second connecting rod 12, is fixedly connected to a clamping plate 21, and a workpiece is clamped between the two clamping plates 21. The hoisting ring 6 is lifted by the crane to enable the hinged point of the two first connecting rods 11 and the hinged point of the two second connecting rods 12 to be away from each other, the first connecting rods 11 rotate to drive the second connecting rods 12 to rotate, so that the included angle formed by the first connecting rods 11 and the second connecting rods 12 is increased, and the two clamping plates 21 are close to the workpiece and clamp the workpiece.
In view of the above-mentioned related art, the inventor believes that when the clamping plate clamps an irregular workpiece, the position and angle of the clamping plate relative to the clamping jaw are unchanged, so that under the limitation of the angle, only a part of the clamping plate may contact with the workpiece, so that the friction force for clamping the workpiece is small, the workpiece and the clamping plate slide relatively to each other and fall off, and the workpiece is clamped without stability and safety.
SUMMERY OF THE UTILITY MODEL
In order to improve the stability and the security that the work piece was held, this application provides a clamp hoist with antiskid structure.
The application provides a clamp hoist with antiskid structure adopts following technical scheme:
the utility model provides a clamp hoist with antiskid, includes the clamp, clamp includes two first connecting rods and two second connecting rods, two first connecting rods are articulated each other, the one end that the pin joint was kept away from to first connecting rod rotates with the second connecting rod to be connected, two second connecting rods articulate each other and form the pin joint, and the one end fixedly connected with clamping jaw of first connecting rod is kept away from to the second connecting rod, and the one end that the second connecting rod was kept away from to the clamping jaw is provided with splint, be provided with between clamping jaw and the splint and make both rotate the slewing mechanism who connects.
By adopting the technical scheme, the first connecting rod and the second connecting rod of the clamp rotate to control the clamping jaw and the clamping plate to clamp the workpiece, the rotating mechanism between the clamping jaw and the clamping plate enables the clamping plate to rotate, the clamping plate rotates to increase the contact area of the clamping plate and the workpiece when the clamping plate clamps the workpiece with an irregular shape, the rotation of the workpiece between the clamping plates is reduced, and the stability and the safety of clamping the workpiece by the clamping plate are improved.
Optionally, slewing mechanism includes the pivot of fixed connection in splint inside, one side that splint are close to the clamping jaw is seted up flutedly, and the equal fixed connection in recess in pivot both ends, the clamping jaw is close to the one end of splint and inserts the recess, and the clamping jaw rotates with the pivot middle part to be connected.
Through adopting above-mentioned technical scheme, pivot and splint fixed connection, the clamping jaw rotates with the pivot to be connected, and the pivot rotates and drives splint and rotate, makes splint and work piece area of contact grow, and splint add to hold the work piece more stable.
Optionally, the rotating mechanism further comprises a torsion spring sleeved on the rotating shaft, one end of the torsion spring is fixedly connected with the clamping plate, and the other end of the torsion spring is fixedly connected with the clamping jaw.
Through adopting above-mentioned technical scheme, the work piece gives an effort for the torsional spring when splint centre gripping work piece, and the torsional spring makes splint can rotate according to the shape of work piece under the effect of power, conveniently adapts to the work piece of the not equidimension of centre gripping and shape, improves the stability of centre gripping work piece.
Optionally, the clamping jaw and the clamping plate are provided with anti-slip components on opposite sides, and the anti-slip components comprise saw teeth arranged on the clamping jaw.
Through adopting above-mentioned technical scheme, when the work piece was held between two clamping jaws additional, the sawtooth blocked the work piece and prevents that the work piece from sliding at will.
Optionally, the anti-slip assembly further comprises anti-slip threads fixedly arranged on the clamping plate.
Through adopting above-mentioned technical scheme, when the work piece was by the centre gripping between two clamping jaws, the work piece was prevented to the antiskid line from sliding.
Optionally, a clamping mechanism is hinged above the clamping jaw.
Through adopting above-mentioned technical scheme, clamping mechanism further makes clamping jaw and splint press from both sides tight work piece.
Optionally, the clamping mechanism comprises an articulated block arranged at the intersection of the second connecting rod, the articulated block is articulated with the second connecting rod, a hydraulic cylinder is arranged above the articulated block, the hydraulic cylinder is articulated with the first connecting rod, and a telescopic rod of the hydraulic cylinder is fixedly connected with the articulated block.
Through adopting above-mentioned technical scheme, the telescopic link extension, articulated piece is to the direction removal that is close to the clamping jaw, and articulated piece removes and drives the second connecting rod and rotate, the contained angle grow of first connecting rod and second connecting rod, and the second connecting rod lies in keeping away from each other with the both ends of one side to two clamping jaws are close to each other, make clamping jaw and splint press from both sides tight work piece, improve the stability that the work piece was held.
Optionally, one end of the hydraulic cylinder, which is far away from the telescopic rod, is fixedly connected with a lifting ring.
By adopting the technical scheme, the crane lifts the clamp lifting appliance through the lifting ring, so that the clamp lifting appliance can clamp a workpiece to move.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the sawteeth and the anti-slip lines of the anti-slip assembly play a role in anti-slip when clamping a workpiece, so that the stability of clamping the workpiece is improved;
2. a rotating shaft of the rotating mechanism is fixedly connected with the clamping plate, the rotating shaft is rotatably connected with the clamping jaw, and a torsional spring is arranged on the rotating shaft, so that the clamping plate can automatically rotate to adjust the direction when clamping a workpiece, and the stability and the safety of clamping the workpiece are further improved;
3. the telescopic link extension of clamping mechanism pneumatic cylinder, articulated piece is to the direction removal that is close to the clamping jaw, and articulated piece removes and drives the second connecting rod and rotate, the contained angle grow of first connecting rod and second connecting rod, and the second connecting rod lies in keeping away from each other with the both ends of one side to two clamping jaws are close to each other, make clamping jaw and splint further press from both sides tight work piece, improve the stability that the work piece was by the centre gripping.
Drawings
Fig. 1 is a schematic structural diagram of a clamp spreader in the related art.
Fig. 2 is a schematic structural diagram of an embodiment of the present application.
Fig. 3 is a schematic structural view of the rotating mechanism.
Description of reference numerals: 1. clamping; 11. a first link; 12. a second link; 2. a clamping jaw; 21. a splint; 3. an anti-skid component; 31. saw teeth; 32. anti-skid lines; 4. a rotating mechanism; 41. a rotating shaft; 42. a groove; 43. a torsion spring; 5. a clamping mechanism; 51. a hydraulic cylinder; 52. a telescopic rod; 53. a hinged block; 6. a lifting ring.
Detailed Description
The present application is described in further detail below with reference to figures 2-3.
The embodiment of the application discloses a clamp hoist with anti-skidding structure. Referring to fig. 2, a clamp hanger having an anti-slip structure includes a clamp 1 and a clamping mechanism 5 for allowing the clamp 1 to clamp a workpiece, and the clamp 1 is hinged to the clamping mechanism 5. The clamping mechanism 5 comprises a hydraulic cylinder 51 and a telescopic rod 52 arranged in the hydraulic cylinder 51, and one end of the telescopic rod 52 far away from the hydraulic cylinder 51 is fixedly connected with a hinged block 53. The clamp 1 comprises first connecting rods 11 hinged to two sides of a hydraulic cylinder 51, one ends, far away from the hydraulic cylinder 51, of the two first connecting rods 11 are rotatably connected with second connecting rods 12, the middle portions of the two second connecting rods 12 are hinged to a hinge block 53, and the rotating axes of the two second connecting rods 12 and the hinge block 53 are overlapped. One end of the second connecting rod 12 far away from the first connecting rod 11 is fixedly connected with a clamping jaw 2, and one end of the clamping jaw 2 far away from the second connecting rod 12 is rotatably connected with a clamping plate 21.
The upper end of the hydraulic cylinder 51 far away from the telescopic rod 52 is fixedly connected with a lifting ring 6, and the crane lifts the clamp lifting appliance through the lifting ring 6. The telescopic rod 52 of the hydraulic cylinder 51 is extended during the lifting process of the lifting ring 6 by the crane, so that the clamping jaw 2 and the clamping plate 21 clamp the workpiece.
The telescopic rod 52 is extended, the hinge block 53 is close to the hinge point of the two first connecting rods 11, the hinge block 53 moves to drive the second connecting rod 12 to rotate, the included angle formed by the first connecting rod 11 and the second connecting rod 12 is enlarged, and therefore the two clamping jaws 2 are close to each other, and the clamping jaws 2 and the clamping plate 21 clamp workpieces. The telescopic rod 52 is shortened, the hinge block 53 is far away from the hinge point of the two first connecting rods 11, the hinge block 53 moves to drive the second connecting rod 12 to rotate, the included angle formed by the first connecting rod 11 and the second connecting rod 12 is reduced, and therefore the two clamping jaws 2 are far away from each other, and the clamping jaws 2 and the clamping plate 21 loosen a workpiece.
The anti-skidding components 3 are arranged on the opposite sides of the clamping jaw 2 and the clamping plate 21, each anti-skidding component 3 comprises sawteeth 31 arranged on the opposite side of the clamping jaw 2, and the sawteeth 31 are fixedly connected with the end face of the clamping jaw 2. The slip resistant assembly 3 further includes slip resistant threads 32 fixedly attached to the opposite side of the cleat 21. When a small-size workpiece is clamped, the workpiece is clamped between the two clamping jaws 2, and the sawteeth 31 arranged on the clamping jaws 2 prevent the workpiece from sliding randomly. When clamping a large-volume workpiece, the workpiece is clamped between the two clamping plates 21, and the anti-skid lines 32 on the clamping plates 21 maintain the stability of the clamped workpiece.
Referring to fig. 2 and 3, when the clamp plate 21 clamps a workpiece having an irregular shape, the contact area between the workpiece and the clamp plate 21 is reduced, and the workpiece is likely to rotate on the clamp plate 21 and fall, so that the rotating mechanism 4 is provided at the joint between the clamp plate 21 and the jaw 2. The rotating mechanism 4 comprises a rotating shaft 41 fixedly connected inside the clamping plate 21, a groove 42 is formed in one side, close to the clamping jaw 2, of the clamping plate 21, two ends of the rotating shaft 41 are fixedly connected with the groove 42, and one end, close to the clamping plate 21, of the clamping jaw 2 is rotatably connected with the rotating shaft 41. The rotating shaft 41 is sleeved with a torsion spring 43, one end of the torsion spring 43 is fixedly connected with the clamping plate, and the other end of the torsion spring 43 is fixedly connected with the clamping jaw. When the clamping plates 21 clamp the workpiece, the workpiece is fixed between the two clamping plates 21, the workpiece applies an acting force to the torsion spring 43, so that the torsion spring 43 rotates the clamping plates 21 according to the shape of the workpiece under the action of the acting force, and the rotation of the clamping plates 21 increases the contact area between the clamping plates 21 and the workpiece, so that the workpiece is not easy to rotate between the clamping plates 21.
The implementation principle of the clamp lifting appliance with the anti-skidding structure in the embodiment of the application is as follows: when the workpiece is clamped by the clamping jaw 2, the sawteeth 31 arranged on the clamping jaw 2 clamp the workpiece to prevent the workpiece from sliding. When the clamping plate 21 is used for clamping a workpiece, the anti-slip threads 32 on the clamping plate 21 block the workpiece from sliding, and the rotating shaft 41 and the torsion spring 43 of the rotating mechanism 4 enable the clamping plate 21 to automatically rotate, so that the clamping device is suitable for workpieces with different shapes and sizes, and the stability and the safety of clamping the workpiece are improved. The telescopic rod 52 of the hydraulic cylinder 51 in the clamping mechanism 5 is extended, and the hinged block 53 drives the second connecting rod 12 to rotate so as to clamp the clamping plate 21, thereby improving the stability of the clamping plate 21 for clamping a workpiece.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a clamp hoist with antiskid, includes clamp (1), clamp (1) includes two first connecting rods (11) and two second connecting rods (12), two first connecting rods (11) articulate each other, the one end and second connecting rod (12) rotation that pin joint was kept away from in first connecting rod (11) are connected, two second connecting rods (12) articulate each other and form the pin joint, and the one end fixedly connected with clamping jaw (2) of first connecting rod (11) are kept away from in second connecting rod (12), and the one end that second connecting rod (12) were kept away from in clamping jaw (2) is provided with splint (21), its characterized in that: a rotating mechanism (4) which enables the clamping jaw (2) and the clamping plate (21) to be connected in a rotating mode is arranged between the clamping jaw and the clamping plate.
2. The tongs sling according to claim 1, wherein: slewing mechanism (4) are including fixed connection in inside pivot (41) of splint (21), splint (21) are close to one side of clamping jaw (2) and are seted up recess (42), and the equal fixed connection in recess (42) in pivot (41) both ends, and clamping jaw (2) are close to one end of splint (21) and insert recess (42), and clamping jaw (2) and pivot (41) middle part rotate to be connected.
3. The tongs sling according to claim 1, wherein: slewing mechanism (4) are still including cup jointing torsional spring (43) on pivot (41), torsional spring (43) one end and splint (21) fixed connection, the other end and clamping jaw (2) fixed connection.
4. The tongs sling according to claim 1, wherein: clamping jaw (2) and splint (21) relative one side all is provided with anti-skidding subassembly (3), anti-skidding subassembly (3) are including setting up sawtooth (31) on clamping jaw (2).
5. The tongs sling according to claim 4, wherein: the anti-skid component (3) also comprises anti-skid lines (32) fixedly arranged on the clamping plate (21).
6. The tongs sling according to claim 1, wherein: a clamping mechanism (5) is hinged above the clamping jaw (2).
7. The tongs sling according to claim 6, wherein: clamping mechanism (5) is including setting up articulated piece (53) at second connecting rod (12) intersect, articulated piece (53) are articulated with second connecting rod (12), articulated piece (53) top is provided with pneumatic cylinder (51), pneumatic cylinder (51) are articulated with first connecting rod (11), telescopic link (52) and articulated piece (53) fixed connection of pneumatic cylinder (51).
8. The tongs sling according to claim 7, wherein: one end of the hydraulic cylinder (51) far away from the telescopic rod (52) is fixedly connected with a lifting ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121810770.4U CN215755973U (en) | 2021-08-04 | 2021-08-04 | Clamp lifting appliance with anti-skidding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121810770.4U CN215755973U (en) | 2021-08-04 | 2021-08-04 | Clamp lifting appliance with anti-skidding structure |
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| Publication Number | Publication Date |
|---|---|
| CN215755973U true CN215755973U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121810770.4U Active CN215755973U (en) | 2021-08-04 | 2021-08-04 | Clamp lifting appliance with anti-skidding structure |
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| CN (1) | CN215755973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116289563A (en) * | 2022-12-30 | 2023-06-23 | 保利长大工程有限公司 | Bailey beam installation equipment and installation method for trestle system |
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2021
- 2021-08-04 CN CN202121810770.4U patent/CN215755973U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116289563A (en) * | 2022-12-30 | 2023-06-23 | 保利长大工程有限公司 | Bailey beam installation equipment and installation method for trestle system |
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