CN114179034B - Clamping device for nuts and bolts in screwing process - Google Patents
Clamping device for nuts and bolts in screwing process Download PDFInfo
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- CN114179034B CN114179034B CN202111654860.3A CN202111654860A CN114179034B CN 114179034 B CN114179034 B CN 114179034B CN 202111654860 A CN202111654860 A CN 202111654860A CN 114179034 B CN114179034 B CN 114179034B
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- ring sleeve
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- nuts
- sleeve
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract description 15
- 210000001503 joint Anatomy 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention discloses a clamping device for nuts and bolts in the screwing process, which relates to the technical field of screw locking clamps and comprises the following components: a fixed loop and a movable loop; two positioning ear blocks with through holes are symmetrically welded at the upper end and the lower end of the fixed ring sleeve, wherein an anti-torsion bar is vertically welded at the top end of the upper positioning ear block; two positioning ear blocks with through holes are symmetrically welded at the upper end and the lower end of the movable ring sleeve, a hexagonal fixing ring is clamped between the movable ring sleeve and the fixed ring sleeve in a closed manner, and nuts on nuts and bolts penetrate through circular through grooves on the backboard of the fixed ring sleeve to be matched with the hexagonal fixing ring in an inserting manner; two pin shafts are symmetrically arranged on the upper and lower four positioning ear blocks of the movable ring sleeve and the fixed ring sleeve in a penetrating way. The invention can release the movable ring sleeve and the two locking pins only by returning the handle and the U-shaped pushing frame, thereby solving the problem that the locking clamp and the bolt or the nut can not be quickly and conveniently released after the tightening is completed.
Description
Technical Field
The invention relates to the technical field of screw locking clamps, in particular to a clamping device for nuts and bolts in the screwing process.
Background
For example, patent number CN202110100181.5 discloses a bolt anti-follow-up rotation device, which comprises a sliding plate, a mounting plate and two plate sleeves; the board cover has the cover portion, has seted up the trepanning in the cover portion, is equipped with mounting hole and spout on the mounting panel, and each cover portion inserts and locates in each mounting hole, and the spout interpolation is equipped with the mounting, and the mounting can slide along the spout, mounting connecting plate cover and sliding plate, has seted up the draw-in groove on the sliding plate, and the spacing hole has been seted up with the corresponding position of draw-in groove on the mounting panel, and the draw-in groove and spacing hole are passed in proper order to the pivot, and sliding plate and mounting panel are connected respectively at the both ends of pivot, and the draw-in groove has spacing portion and the off-load portion that are linked together to extend to the both sides of spacing portion respectively, and the pivot has the butt portion that meets with spacing portion, and drive pivot rotation can make butt portion and spacing portion disconnection, and make butt portion sliding engagement in the off-load portion. The bolt anti-follow-up rotation device adopting the technical scheme of the invention can prevent the bolt from follow-up rotation and avoid the potential safety hazard of hurting people by clamping hands;
for example, patent number CN201811162151.1 discloses an anti-heel-turn tightening tool, which comprises a supporting component, a sliding component, a fixed head and a tightening head; the support assembly comprises a support column, a first mounting plate and a second mounting plate; the first mounting plate is fixedly arranged at one end of the support column, and the sliding component is arranged at the other end of the support column; the second mounting plate is mounted on the sliding assembly; the sliding component comprises a sliding rail and a sliding block, the sliding rail is arranged on the supporting column, and the sliding block is in sliding connection with the sliding rail; the fixed head is fixedly arranged on the second mounting plate and is positioned at one side of the second mounting plate, which is close to the first mounting plate; the fixing head is arranged for applying an anti-rotation moment to a nut on a bolt to be tightened; the tightening head is rotatably mounted on the first mounting plate and is arranged for applying tightening torque to a bolt to be tightened; the invention can prevent the nut from rotating along with the nut.
The nut or the bolt is in a free state before the tightening operation, the tightening operation is inconvenient, and due to the fact that an auxiliary positioning component for the nut or the bolt is lacking, the locking clamp is easy to separate from the nut and the bolt in the tightening working process, and in addition, the locking clamp cannot be quickly and conveniently unloaded from the bolt or the nut after the tightening is completed.
Disclosure of Invention
In view of the above, the invention provides a clamping device for nuts and bolts in the screwing process, which solves the problem that a locking clamp for preventing follow-up rotation is easy to separate from the nuts and bolts in the screwing process.
The invention provides the following technical scheme: a clamping device for nuts and bolts in the screwing process comprises a fixed ring sleeve, a movable ring sleeve, a square fixed disc and a square movable disc; two positioning ear blocks with through holes are symmetrically welded at the upper end and the lower end of the fixed ring sleeve, an anti-torsion bar is vertically welded at the top end of the upper positioning ear block, and a circular through groove is formed in the center of the backboard of the fixed ring sleeve; two positioning ear blocks with through holes are symmetrically welded at the upper end and the lower end of the movable ring sleeve, a hexagonal fixing ring is clamped between the movable ring sleeve and the fixed ring sleeve in a closed manner, and nuts on nuts and bolts penetrate through circular through grooves on the backboard of the fixed ring sleeve to be matched with the hexagonal fixing ring in an inserting manner; two pin shafts are symmetrically arranged on the upper and lower four positioning ear blocks of the movable ring sleeve and the fixed ring sleeve in a penetrating way, threads are arranged on tail end sections of the two pin shafts, a strip-shaped fixed plate is connected to tail end sections of the two pin shafts in a threaded way, and a pushing component is rotationally connected to positions, close to the movable ring sleeve, of the two pin shafts;
six fixing ring sleeves are symmetrically arranged on the square fixing disc in a left-right mode; six movable ring sleeves are symmetrically arranged on the square movable disc, six guide pins are symmetrically welded at idle positions between the six prescription-shaped movable discs, and the six guide pins are used for sliding, butting and closing the square movable disc and the square fixed disc; the tensioning pin is provided with two parts, the whole tensioning pin is composed of a cylindrical seat and hanging lugs welded on the cylindrical seat, wherein the two cylindrical seats vertically symmetrically penetrate through a square movable disc and a square fixed disc which are closed together in a butt joint mode, an eccentric shaft sleeve is rotationally connected between the two hanging lugs, a connecting pin penetrates through and is inserted into a central shaft hole of the two hanging lugs and the eccentric shaft sleeve, and a rectangular push plate is supported and welded on the circumferential outer wall of the eccentric shaft sleeve.
Preferably, concave holes are symmetrically formed in the back plate of the fixed ring sleeve up and down, and the two concave holes are positioned at the periphery of the circular through groove at the back of the fixed ring sleeve; the movable ring sleeve comprises an inclined chamfer surface, and the inclined chamfer surface of an annular structure is formed in the inner wall of the circumference of the opening of the movable ring sleeve.
Preferably, two axial anti-rotation pins are inserted on the annular end face of the side, close to the fixed ring sleeve, of the hexagonal fixed ring in an up-down symmetrical sliding manner, and the head ends of the two axial anti-rotation pins are in conical structures; locking pins supported at two inclined positions are symmetrically inserted through the circumferential outer wall of the hexagonal fixing ring, and tail ends of the two locking pins are of inclined section structures.
Preferably, the pushing component is integrally formed by jointly welding a U-shaped pushing frame and a handle welded at the middle position of the U-shaped pushing frame, wherein the U-shaped pushing frame swings and is in abutting contact with the backboard of the movable ring sleeve; two pins are arranged at the positions, close to the movable ring sleeve, of the pin shafts in a penetrating manner, and a limiting shaft pin is arranged at the tail end sections of the two pins in a penetrating manner; and the upper horizontal top plate and the lower horizontal top plate of the U-shaped pushing frame are respectively provided with a jack in a penetrating way, and the two jacks are matched with tail end sections of the two bolts in a rotating and inserting way.
Preferably, when the movable ring sleeve and the fixed ring sleeve slide to be closed and clamped, the head end sections of the two axial anti-rotation pins are correspondingly matched with the two concave holes in an inserting manner; when the movable ring sleeve and the fixed ring sleeve slide to be closed and clamped, the tail end oblique section parts of the two locking pins are in abutting contact with the corresponding oblique chamfer surfaces.
Preferably, the method comprises the following steps:
1. putting a hexagonal nut or a hexagonal nut of a bolt into the hexagonal fixing ring through a circular penetrating groove on the back plate of the fixing ring sleeve;
2. the handle is twisted towards the strip-shaped fixed plate, and the U-shaped pushing frame is driven to push the movable ring sleeve when the handle is twisted, so that the movable ring sleeve and the fixed ring sleeve are closed in a sliding manner and the hexagonal fixed ring is clamped;
3. when the movable ring is sleeved on the sliding clamping hexagonal fixed ring, the inclined chamfer surface can carry out inner sliding pushing on the two locking pins through an inclined surface guiding principle, and meanwhile, the two axial anti-rotation pins are spliced and combined with the two concave holes;
4. the hexagonal nuts of the hexagonal nuts or bolts are pressed and fixed in the hexagonal fixing ring by sliding and pushing the two locking pins;
5. and (3) the torsion bar is close to a reverse stress point of the part, a bolt or a nut is screwed by a spanner, and finally the handle is rotated to an initial position, so that the movable ring sleeve is released, the two locking pins are loosened, and the whole locking device is taken down.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the insertion and connection cooperation of the axial anti-rotation pin and the two concave holes, the hexagonal fixing ring and the fixing ring sleeve are inserted and fixed together, so that a nut or a bolt in the hexagonal fixing ring is kept static, and the phenomenon that the screwing and unscrewing operation cannot be normally implemented due to the fact that the nut or the bolt rotates along with screwing of a spanner is avoided;
2. according to the invention, through inclined surface pushing of the inclined chamfer surface, the nuts or the nuts of the bolts can be pressed and fixed in the hexagonal fixed ring by the two locking pins, so that time waste caused by repeated operation due to falling of the nuts or the bolts from the locking clamp during screwing and unscrewing operation is avoided, and the movable ring sleeve can be detached by only returning the handle and the U-shaped pushing frame, so that the locking clamp can be quickly and conveniently unloaded from the bolts or the nuts after screwing is completed, and the locking clamp is conveniently separated from the nuts or the bolts;
3. the square fixed disc and the square movable disc are in butt joint and close to form the batch locking clamp, and the batch locking clamp can simultaneously carry out tightness operation on a plurality of nuts or bolts, so that the batch locking clamp is suitable for batch tightness operation of threaded pieces.
Drawings
FIG. 1 is a schematic view of the assembled use state of the present invention;
FIG. 2 is a schematic view of the installation position of the strip-shaped fixing plate of the invention;
FIG. 3 is a schematic view of the mounting position of the ejector component of the present invention;
FIG. 4 is an exploded view of the various components of the present invention;
FIG. 5 is a schematic view of the pushing member of the present invention;
FIG. 6 is a schematic view of a moveable collar structure according to the present invention;
FIG. 7 is a schematic view of a hexagonal fixing ring structure according to the present invention;
FIG. 8 is a schematic view of a retaining collar according to the present invention;
FIG. 9 is a schematic diagram of a second embodiment of the present invention;
in the figure, the correspondence between the component names and the drawing numbers is:
1. a fixed ring sleeve; 101. torsion bar resistance; 102. concave holes; 2. a movable collar; 201. tilting the chamfer surface; 3. a hexagonal fixing ring; 301. a locking pin; 302. an axial anti-rotation pin; 4. a pin shaft; 401. a plug pin; 5. a pushing component; 501. a handle; 6. a bar-shaped fixing plate; 7. square fixed disk; 8. square movable plate; 801. a guide pin; 9. tensioning the pin; 10. an eccentric shaft sleeve; 1001. a connecting pin; 1002. a push plate.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
Referring to fig. 1 to 9, a first embodiment of the present invention is provided:
a clamping device for nuts and bolts during tightening, comprising: a fixed loop 1 and a movable loop 2;
two positioning ear blocks with through holes are symmetrically welded at the upper end and the lower end of the fixed ring sleeve 1, wherein a torsion bar 101 is vertically welded at the top end of the upper positioning ear block, and a circular through groove is formed in the center of the backboard of the fixed ring sleeve 1; concave holes 102 are formed in the back plate of the fixed ring sleeve 1 in an up-down symmetrical mode, and the two concave holes 102 are located on the periphery of a circular through groove in the back of the fixed ring sleeve 1;
two positioning ear blocks with through holes are symmetrically welded at the upper end and the lower end of the movable ring sleeve 2, a hexagonal fixed ring 3 is clamped between the movable ring sleeve 2 and the fixed ring sleeve 1 in a closed manner, and nuts on nuts and bolts penetrate through circular through grooves on the back plate of the fixed ring sleeve 1 to be matched with the hexagonal fixed ring 3 in an inserting manner; the movable ring sleeve 2 comprises an inclined chamfer surface 201, and the inclined chamfer surface 201 with an annular structure is arranged on the inner wall of the circumference of the opening position of the movable ring sleeve 2; two axial anti-rotation pins 302 are inserted on the annular end face of the side, close to the fixed ring sleeve 1, of the hexagonal fixed ring 3 in an up-down symmetrical sliding manner, and the head ends of the two axial anti-rotation pins 302 are in a conical structure; the circumference outer wall of the hexagonal fixed ring 3 is symmetrically inserted with two locking pins 301 which are obliquely supported, and the tail ends of the two locking pins 301 are in an oblique section structure;
two pin shafts 4 are symmetrically arranged on the upper and lower four positioning ear blocks of the movable ring sleeve 2 and the fixed ring sleeve 1 in a penetrating way, threads are arranged on tail end sections of the two pin shafts 4, a strip-shaped fixing plate 6 is connected to tail end sections of the two pin shafts 4 in a threaded way, a pushing component 5 is rotationally connected to positions, close to the movable ring sleeve 2, of the two pin shafts 4, a gap exists between the strip-shaped fixing plate 6 and a U-shaped pushing frame of the pushing component 5, and normal torsion swing action of the pushing component 5 can be guaranteed through the gap; the pushing component 5 is integrally formed by jointly welding a U-shaped pushing frame and a handle 501 welded at the middle position of the U-shaped pushing frame, wherein the U-shaped pushing frame swings and is in abutting contact with the backboard of the movable ring sleeve 2; a jack is arranged on the upper and lower horizontal top plates of the U-shaped pushing frame in a penetrating way, and the two jacks are in rotary plug-in connection with the tail end sections of the two bolts 401;
as shown in fig. 2, two pins 4 are provided with a pin 401 in a penetrating manner at positions close to the movable ring sleeve 2, and a limit pin is inserted in a penetrating manner at tail end sections of the two pins 401, so that the separation and pushing function failure of the pushing component 5 and the pins 4 caused by separation of the pins 401 and the pins 4 can be avoided.
As shown in fig. 3, when the movable ring sleeve 2 and the fixed ring sleeve 1 slide to be closed and clamped, the head end sections of the two axial anti-rotation pins 302 are correspondingly matched with the two concave holes 102 in a plugging manner, the hexagonal fixed ring 3 and the fixed ring sleeve 1 can be fixed together in a plugging manner through the plugging engagement of the axial anti-rotation pins 302 and the two concave holes 102, so that nuts or bolts inside the hexagonal fixed ring 3 are kept still, and the nuts or bolts are prevented from rotating along with the screwing of a spanner, so that screwing and unscrewing operations cannot be normally implemented.
As shown in fig. 4, when the movable ring 2 and the fixed ring 1 are closed and clamped in a sliding manner, the tail end oblique section parts of the two locking pins 301 are in abutting contact with the corresponding oblique chamfer surfaces 201, the nuts of the nuts or the bolts can be pressed and fixed in the hexagonal fixed ring 3 by the two locking pins 301 through the oblique pushing of the oblique chamfer surfaces 201, the phenomenon that the nuts or the bolts fall off from the locking clamps during screwing and unscrewing operations to cause time waste in repeated operations is avoided, and the movable ring 2 can be released and the two locking pins 301 can be loosened only by the return handle 501 and the U-shaped pushing frame, so that the locking clamps and the bolts or the nuts can be quickly and conveniently unloaded after screwing is completed, and the locking clamps are conveniently separated from the nuts or the bolts.
Referring to fig. 9, in a second embodiment of the present invention:
a clamping device for nuts and bolts during tightening, further comprising: a square fixed disc 7 and a square movable disc 8;
six fixing ring sleeves 1 are symmetrically arranged on the square fixing disc 7 in a left-right mode; six movable ring sleeves 2 are symmetrically arranged on the square movable disc 8, six guide pins 801 are symmetrically welded at idle positions between the six prescription-shaped movable discs 8, and the six guide pins 801 are used for sliding butt joint closure of the square movable disc 8 and the square fixed disc 7; the tensioning pin 9 is provided with two parts, the whole tensioning pin 9 is jointly composed of a cylindrical seat and hanging lugs welded on the cylindrical seat, wherein the two cylindrical seats vertically symmetrically penetrate through a square movable disc 8 and a square fixed disc 7 which are closed together in a butt joint mode, an eccentric shaft sleeve 10 is rotatably connected between the two hanging lugs, a connecting pin 1001 is inserted into a central shaft hole of the two hanging lugs and the eccentric shaft sleeve 10 in a penetrating mode, a rectangular push plate 1002 is supported and welded on the circumferential outer wall of the eccentric shaft sleeve 10, the square fixed disc 7 and the square movable disc 8 are in butt joint and closing mode to form a batch locking clamp, and the batch locking clamp can simultaneously carry out tightening operation on a plurality of nuts or bolts and is suitable for batch tightening operation of threaded pieces.
The working principle of the first embodiment is as follows: the hexagonal nut is used for fixing the nut or the nut on the bolt, so that the nut can be conveniently sleeved on the bolt or the bolt can be conveniently penetrated and screwed on the nut, and the hexagonal nut of the hexagonal nut or the hexagonal nut of the bolt is placed into the hexagonal fixing ring 3 through the circular penetrating groove on the back plate of the fixing ring sleeve 1 when in use; the handle 501 is twisted towards the strip-shaped fixed plate 6, and when the handle 501 is twisted, the U-shaped pushing frame is driven to push the movable ring sleeve 2, so that the movable ring sleeve 2 and the fixed ring sleeve 1 are closed in a sliding manner, and the hexagonal fixed ring 3 is clamped; when the movable ring sleeve 2 slides to clamp the hexagonal fixed ring 3, the inclined chamfer surface 201 can slide and push the two locking pins 301 through an inclined surface guiding principle, and simultaneously, the two axial anti-rotation pins 302 are spliced and combined with the two concave holes 102; sliding pushing in the two locking pins 301 can press and fix the hexagonal nuts of the hexagonal nuts or bolts in the hexagonal fixing ring 3; the torsion bar 101 is close to the reverse stress point of the part, the bolt or the nut is screwed by a spanner, finally the handle 501 is rotated to the initial position, the movable ring sleeve 2 is relieved, the two locking pins 301 are loosened, and the whole locking device is taken down.
Working principle of the second embodiment: when the nut locking device is used, nuts are sequentially placed in six inner hexagonal fixing rings 3, the rectangular push plates 1002 rotate by 90 degrees, the rectangular push plates 1002 are linked with the eccentric shaft sleeves 10 to push the square movable plates 8 and the square fixing plates 7 to be closed, the radial locking pins 301 in the inner hexagonal fixing rings 3 clamp the nuts in the inner hexagonal fixing rings 3, meanwhile, the axial anti-rotation pins 302 are combined with the concave holes 102, then a batch of locking fixtures are placed on the hole sites of parts to be locked, bolts are sequentially penetrated, the bolts are screwed by screwing tools, finally, the rectangular push plates 1002 are pulled back to the original positions, and the force between the nuts and the fixtures is released to take down the fixtures.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a clamping device of nut and bolt in tightening process which characterized in that: the nut and bolt clamping device comprises a fixed ring sleeve (1), a movable ring sleeve (2), a square fixed disc (7) and a square movable disc (8);
two positioning ear blocks with through holes are symmetrically welded at the upper end and the lower end of the fixed ring sleeve (1), a torsion bar (101) is vertically welded at the top end of the upper positioning ear block, and a circular through groove is formed in the center of the backboard of the fixed ring sleeve (1);
two positioning lugs with through holes are symmetrically welded at the upper end and the lower end of the movable ring sleeve (2), a hexagonal fixing ring (3) is clamped between the movable ring sleeve (2) and the fixed ring sleeve (1) in a closed mode, and nuts on bolts penetrate through circular through grooves in the backboard of the fixed ring sleeve (1) to be matched with the hexagonal fixing ring (3) in an inserting mode;
two pin shafts (4) are symmetrically arranged on the upper and lower four positioning ear blocks of the movable ring sleeve (2) and the fixed ring sleeve (1) in a penetrating way, threads are arranged on tail end sections of the two pin shafts (4), a strip-shaped fixing plate (6) is connected to tail end sections of the two pin shafts (4) in a threaded mode, and a pushing component (5) is rotationally connected to positions, close to the movable ring sleeve (2), of the two pin shafts (4);
six fixing ring sleeves (1) are symmetrically arranged on the square fixing disc (7) left and right;
six movable ring sleeves (2) are symmetrically arranged on the square movable plates (8), six guide pins (801) are symmetrically welded at idle positions between the six prescription-shaped movable plates (8), and the six guide pins (801) are used for sliding butt joint and closing of the square movable plates (8) and the square fixed plates (7);
the tensioning pin (9) is provided with two parts, the whole tensioning pin (9) is composed of a cylindrical seat and hanging lugs welded on the cylindrical seat, wherein the two parts of the cylindrical seat pass through a square movable disc (8) and a square fixed disc (7) which are in butt joint and are closed together in an up-down symmetrical way, an eccentric shaft sleeve (10) is rotationally connected between the two parts of the hanging lugs, a connecting pin (1001) is inserted in the central shaft holes of the two parts of the hanging lugs and the eccentric shaft sleeve (10), and a rectangular push plate (1002) is supported and welded on the circumferential outer wall of the eccentric shaft sleeve (10); concave holes (102) are formed in the back plate of the fixed ring sleeve (1) in an up-down symmetrical mode, and the two concave holes (102) are located on the periphery of the circular through groove at the back of the fixed ring sleeve (1);
the movable ring sleeve (2) comprises an inclined chamfer surface (201), and the inclined chamfer surface (201) with an annular structure is arranged on the inner wall of the circumference of the opening position of the movable ring sleeve (2);
two axial anti-rotation pins (302) are symmetrically inserted in a sliding manner up and down on the annular end face of the side, close to the fixed ring sleeve (1), of the hexagonal fixed ring (3), and the head ends of the two axial anti-rotation pins (302) are in a conical structure;
locking pins (301) supported at two inclined positions are symmetrically inserted through the circumferential outer wall of the hexagonal fixing ring (3), and tail ends of the two locking pins (301) are of inclined section structures.
2. The clamping device for nuts and bolts during tightening according to claim 1, wherein: the pushing component (5) is integrally formed by jointly welding a U-shaped pushing frame and a handle (501) welded at the middle position of the U-shaped pushing frame, wherein the U-shaped pushing frame swings to be in abutting contact with the backboard of the movable ring sleeve (2).
3. A nut and bolt clamping apparatus during tightening according to claim 2, wherein: two pins (401) are arranged at the positions, close to the movable ring sleeve (2), of the pin shafts (4) in a penetrating manner, and a limiting pin shaft is arranged at the tail end sections of the two pins (401) in a penetrating manner; one jack is penetrated and arranged on the upper horizontal top plate and the lower horizontal top plate of the U-shaped pushing frame, and the two jacks are in rotary plug-in fit with the tail end sections of the two bolts (401).
4. The clamping device for nuts and bolts during tightening according to claim 1, wherein: when the movable ring sleeve (2) and the fixed ring sleeve (1) are in sliding closing clamping, the head end sections of the two axial anti-rotation pins (302) are correspondingly matched with the two concave holes (102) in a plugging mode.
5. The clamping device for nuts and bolts during tightening according to claim 1, wherein: when the movable ring sleeve (2) and the fixed ring sleeve (1) are closed and clamped in a sliding mode, the tail end oblique-section parts of the two locking pins (301) are in abutting contact with the corresponding oblique chamfer surfaces (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111654860.3A CN114179034B (en) | 2021-12-30 | 2021-12-30 | Clamping device for nuts and bolts in screwing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111654860.3A CN114179034B (en) | 2021-12-30 | 2021-12-30 | Clamping device for nuts and bolts in screwing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114179034A CN114179034A (en) | 2022-03-15 |
| CN114179034B true CN114179034B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111654860.3A Active CN114179034B (en) | 2021-12-30 | 2021-12-30 | Clamping device for nuts and bolts in screwing process |
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| CN (1) | CN114179034B (en) |
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| CN101066562A (en) * | 2007-05-21 | 2007-11-07 | 台州三佳机械有限公司 | Automatic lathe feeder |
| DE102011106182A1 (en) * | 2010-08-11 | 2012-02-16 | Klann-Spezial-Werkzeugbau-Gmbh | Device for removing a double clutch |
| CN103144084A (en) * | 2013-02-22 | 2013-06-12 | 奇瑞汽车股份有限公司 | Auxiliary fixture for preventing bolt at process fastening point from follow-up rotation |
| CN106911103A (en) * | 2017-03-27 | 2017-06-30 | 国网福建省电力有限公司 | A kind of livewire work bolt fastening and replacement operation instrument |
| CN107414441A (en) * | 2017-07-12 | 2017-12-01 | 北京理工大学 | A kind of FRAME COMPONENTS quick-changing type clamper towards assembling |
| JP2019123036A (en) * | 2018-01-15 | 2019-07-25 | 株式会社タカシュウ | Bolt/nut setting device |
| CN112776654A (en) * | 2019-11-05 | 2021-05-11 | 广州汽车集团股份有限公司 | Locking mechanism and quick-change mechanism of power battery |
| CN212673914U (en) * | 2020-06-18 | 2021-03-09 | 山东普瑞普勒能源科技有限公司 | Plate compression structure of plate heat exchanger |
| CN111976822A (en) * | 2020-09-07 | 2020-11-24 | 北方重工集团有限公司 | Steering column roller type inclination handle locking device |
| CN216328068U (en) * | 2021-12-06 | 2022-04-19 | 湖北上翔自动化科技有限公司 | Auxiliary tool for preventing following rotation of single bolt tightening nut |
| CN216326285U (en) * | 2021-12-08 | 2022-04-19 | 湖北上翔自动化科技有限公司 | Auxiliary tool for preventing follow-up rotation of multiple bolts or nuts |
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| CN114179034A (en) | 2022-03-15 |
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