CN109909900B - Pliers for operating nut locking plate - Google Patents
Pliers for operating nut locking plate Download PDFInfo
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- CN109909900B CN109909900B CN201910321308.9A CN201910321308A CN109909900B CN 109909900 B CN109909900 B CN 109909900B CN 201910321308 A CN201910321308 A CN 201910321308A CN 109909900 B CN109909900 B CN 109909900B
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- adjusting screw
- sliding block
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- locking
- nut
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- 230000013011 mating Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention belongs to the technical field of mechanical connection operation tools, and particularly relates to pliers for operating a nut locking plate. The invention takes the surface of the locking lug opposite to the nut side as a stress surface, and the locking lug is deformed under the clamping action of pliers to complete the locking action of the locking lug against the nut, and can complete the locking work of various locking lugs of different locking plates in a narrow working environment.
Description
Technical Field
The invention belongs to the technical field of mechanical connection operation tools, and particularly relates to pliers for operating a nut anti-loosening locking plate.
Background
Locking plate locking is used as one of mechanical locking and is widely applied to mechanical equipment assembly. Locking of the locking plate requires that the locking lug is tightly attached to the nut, a gap cannot be formed, the thickness of the nut cannot be exceeded, an indentation cannot be formed, and the locking lug cannot be used for a second time. In the existing operation process, the nut is screwed down, a punch or a copper bar aluminum bar is used after the position of the locking plate is determined, and the locking lug of the locking plate is deformed and knocked down by using an impact method. This scheme inefficiency causes the locking plate to appear damaging because of the impact moreover easily. Causing the locking lug of the locking plate to break during the operation of the mechanical equipment. Causing a safety hazard to the mechanical assembly. The impact method can cause external force impact on the pre-tightened nut, and the pre-tightening effect is affected. The copper bar and the aluminum bar are easy to cause metal bonding by impact, and are not applicable to workplaces with high requirements on working environment.
Disclosure of Invention
In order to solve the technical problems, the invention provides the pliers for operating the anti-loosening locking plate of the nut, which takes the surface of the locking lug opposite to the nut side as a stress surface, and makes the locking lug deform under the clamping action of the pliers to complete the locking action of the locking lug against the nut, and can complete the locking work of various locking lugs of different locking plates in a narrow working environment.
The invention is realized in such a way that pliers for operating the nut locking and locking plate comprise two handles, two outer sliding blocks, two inner sliding blocks and four hinges, wherein the outer sliding blocks are matched with the inner sliding blocks to form jaws with variable sizes, the four hinges are connected in pairs to form two X-shaped hinge groups, the outer sliding blocks and the inner sliding blocks are movably connected, and the two handles control the opening and the closing of the jaws.
Further, a jaw groove is formed in the inner side of the upper end of the outer sliding block, the lower end of the outer sliding block is of a clamp-shaped structure, strip holes are formed in the upper ends of positions corresponding to two clamping pieces of the clamp-shaped structure, round holes are formed in the lower ends of the outer sliding block, the upper end of the inner sliding block is a protruding block matched with the jaw groove of the outer sliding block, round holes are formed in the lower portion of the inner sliding block and the position corresponding to the strip holes in the outer sliding block, strip holes are formed in the position corresponding to the round holes in the outer sliding block, and the lower end of the inner sliding block is inserted into the clamp-shaped structure of the outer sliding block;
the upper end, the middle part and the lower extreme of hinge trompil respectively, the center of two X shape hinge groups that four hinges formed passes through pin connection, and outer slider and interior slider set up between two X shape hinge groups, pass round hole, the outer slider on pressing from both sides the shape structure hole and the hole of interior slider lower part through the pin respectively of hinge tip, with outer slider and interior slider swing joint.
Further, each hinge is integrally provided with an upper portion of each handle, respectively.
Further, still be equipped with slider adjusting part on the handle, including regulating block, adjusting screw A and spring A, the regulating block pass through the pin with the handle is connected, and is equipped with adjusting screw hole A on the regulating block, L shape dog is established to outer slider clamp shape structure's lower extreme, and adjusting screw A passes in L shape dog after adjusting screw hole joint, and spring A connects between interior slider lower extreme and the L shape dog upper end.
Further, the two handles are movably connected to form an X shape, the upper end of the handle is connected with the outer side of the outer sliding block through an adjusting screw B, a spring B is arranged to be connected between the handle and the adjusting screw B and used for adjusting the connecting force of the handle and the outer sliding block, an adjusting screw seat is fixedly connected to the outer side of the outer sliding block, an adjusting screw cap is arranged in a spherical groove of the adjusting screw seat in advance, the surface, in contact with the adjusting screw cap, of the adjusting screw seat is a spherical surface, the adjusting screw B penetrates through the handle and is connected with the adjusting screw cap, and the diameters of holes in the handle and the adjusting screw cap are larger than those of the adjusting screw B.
Further, a linear bulge is arranged on the surface of the handle, which is in contact with the adjusting screw seat, the section of the bulge is a triangular section, and a rice-shaped groove with the matched section is arranged on the surface of the corresponding adjusting screw seat.
Further, the pliers are pliers for operating the locking plate of the hexagonal nut, namely, the jaws are used for matching the hexagonal nut.
Compared with the prior art, the invention has the advantages that:
1. The operation process has low technical level requirements for the technical workers, the locking plate cannot be damaged, and reworking caused by the damage of the locking plate is not needed (the locking plate nut is replaced and needs to be pre-tightened again after being disassembled, and the operation of the existing scheme is repeated until the assembly is qualified);
2. The pre-tightening nut cannot be impacted, so that the pre-tightening effect cannot be adversely affected. The soft metal adhesion phenomenon does not exist in the design and operation process of the scheme. The method is also applicable to places with high requirements on working environments, such as: bearing cavities, gearboxes, etc.
3. The scheme is suitable for locking of locking plates of different types, and is suitable for complex working environments with different cross sections and narrow spaces and special included angles.
Drawings
FIG. 1 is a schematic view of the structure of pliers in example 1;
FIG. 1-1 is a schematic view of the front view of the handle and hinge of FIG. 1;
FIGS. 1-2 are schematic side elevational views of the handle and hinge of FIG. 1;
FIGS. 1-3 are schematic front view of the outer slide block of FIG. 1;
FIGS. 1-4 are schematic side views of the outer slider of FIG. 1;
FIGS. 1-5 are schematic front view of the inner slide of FIG. 1;
FIGS. 1-6 are schematic side views of the inner slide of FIG. 1;
FIG. 2 is a schematic view of the structure of pliers in example 2;
FIG. 2-1 is a schematic view of the front view of the handle and hinge of FIG. 2;
FIG. 2-2 is a schematic side view of the handle and hinge of FIG. 2;
FIGS. 2-3 are schematic front view of the outer slide block of FIG. 2;
FIGS. 2-4 are schematic side views of the outer slider of FIG. 2;
FIGS. 2-5 are schematic front view of the inner slide of FIG. 2;
FIGS. 2-6 are schematic side views of the inner slide of FIG. 2;
FIGS. 2-7 are schematic diagrams of the structure of the adjusting block in FIG. 2;
FIG. 3 is a schematic view of the structure of pliers in example 3;
FIG. 3-1 is a schematic view of the front view of the handle of FIG. 3;
FIG. 3-2 is a schematic diagram of the front view of the outer slider of FIG. 3;
3-3 are schematic side elevational views of the outer slide of FIG. 3;
FIGS. 3-4 are schematic front views of the inner slide of FIG. 3;
FIGS. 3-5 are schematic side views of the inner slide of FIG. 3;
FIGS. 3-6 are schematic views of the hinge structure of FIG. 3;
FIGS. 3 to 7 are views showing the state before the pliers grip the nut and the lock lugs in example 3;
FIGS. 3 to 8 are views showing the state after the pliers grip the nut and the lock lugs in example 3;
FIGS. 3-9 are enlarged schematic views of the connection of the handle and the outer slide of FIG. 3;
FIGS. 3-10 are side views of the pliers heads;
FIGS. 3 to 11 are views showing the state where the head of the pliers of example 3 is horizontal;
Fig. 3 to 12 are views showing the state where the head of the pliers according to example 3 is inclined.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1,
Referring to fig. 1, the present embodiment provides pliers for operating a nut locking plate, which comprises two handles 1, two outer sliding blocks 2, two inner sliding blocks 3 and four hinges 4, wherein the outer sliding blocks 2 are matched with the inner sliding blocks 3 to form jaws with variable sizes, the four hinges 4 are connected in pairs to form an X shape, the outer sliding blocks 2 and the inner sliding blocks 3 are movably connected, and the two handles 1 control opening and closing of the jaws.
1-1, 1-2, 1-3, 1-4, 1-5 And 1-6, a jaw groove 201 is formed on the inner side of the upper end of the outer sliding block 2, the lower end of the outer sliding block is of a clip-shaped structure, long holes are formed at the upper ends of positions corresponding to two clamping pieces 202 of the clip-shaped structure, round holes are formed at the lower ends of the outer sliding block, a protruding block 301 matched with the jaw 201 groove of the outer sliding block 2 is formed at the upper end of the inner sliding block 3, round holes are formed at the positions corresponding to the long holes on the outer sliding block 2 at the lower part of the inner sliding block 3, long holes are formed at the positions corresponding to the round holes on the outer sliding block 2, and the lower end of the inner sliding block 3 is inserted into the clip-shaped structure of the outer sliding block 2;
The upper end, the middle part and the lower extreme of hinge 4 trompil respectively, and pin connection is passed through at the center of two X shape hinge groups that four hinges 4 formed, and outer slider 2 and interior slider 3 set up between two X shape hinge groups, pass the round hole of hinge 4 tip, the hole on the outer slider 2 clamp structure and the hole of interior slider 3 lower part respectively through the pin, with outer slider 2 and interior slider 3 swing joint.
Each hinge 4 is integrally provided with an upper portion of each handle 1, respectively.
The pliers in this embodiment are pliers for operating the locking tabs of the hexagonal nut, i.e. the jaws are for mating with the hexagonal nut.
When the hexagonal nut is locked by the locking plate, the two handles 1 are opened firstly, the outer sliding block 2 is at the uppermost end of the moving range, the inner sliding block 3 is at the lowermost end of the moving range, the two outer sliding blocks 2 are furthest apart under the leverage of the hinge 4, the jaw formed by the two jaw grooves 201 is in the maximum open state, the jaw is arranged at the position of the hexagonal nut and the locking plate, the locking lug of the locking plate is bent upwards in advance, the handle 1 is gripped, the end head at the upper part of the hinge 4 moves upwards, the inner sliding block 3 is driven to move upwards, the protruding block 301 of the inner sliding block 3 also moves upwards, the end head at the lower part of the hinge 4 moves downwards, the outer sliding block 2 is driven to move downwards, the jaw grooves also move downwards, meanwhile, the hinge 4 pulls the two outer sliding blocks 2 to be horizontally close, the jaw grooves are gradually reduced, the locking lug of the locking plate is clamped firstly, the locking lug is continuously gripped, the locking lug is deformed to be a stress surface relative to the side surface of the nut, the locking lug is deformed to complete the action of the locking lug, and the locking lug is tightly attached to the nut until the locking lug is tightly attached to the nut, and the locking lug is mechanically attached to the hexagonal nut.
EXAMPLE 2,
Referring to fig. 2, the present embodiment provides pliers for operating a nut locking plate, which comprises two handles 1, two outer sliding blocks 2, two inner sliding blocks 3 and four hinges 4, wherein the outer sliding blocks 2 are matched with the inner sliding blocks 3 to form jaws with variable sizes, the four hinges 4 are connected in pairs to form an X shape, the outer sliding blocks 2 and the inner sliding blocks 3 are movably connected, and the two handles 1 control opening and closing of the jaws.
Referring to fig. 2-1, fig. 2-2, fig. 2-3, fig. 2-4, fig. 2-5, fig. 2-6, fig. 2-7, a jaw groove 201 is opened at the inner side of the upper end of the outer slider 2, the lower end is in a clip-shaped structure, a longer long strip hole is opened at the upper end of the position corresponding to two clamping pieces 202 of the clip-shaped structure, a shorter strip hole is opened at the lower end, namely, the strip hole at the upper end of the clamping piece 202 is longer than the strip hole at the lower end, the length of the strip hole at the upper end of the clamping piece 202 is smaller than that of the embodiment 1, the upper end of the inner slider 3 is a protruding block 301 matched with the jaw 201 groove of the outer slider 2, a round hole is opened at the position corresponding to the longer strip hole at the lower part of the inner slider 3 and a strip hole corresponding to the shorter strip hole of the outer slider 2, and the lower end of the inner slider 3 is inserted into the clip-shaped structure of the outer slider 2;
The upper end, the middle part and the lower extreme of hinge 4 trompil respectively, the center of two X shape hinge groups that four hinges 4 formed passes through pin connection, and outer slider 2 and interior slider 3 set up between two X shape hinge groups, pass the round hole of hinge 4 tip, the hole on the outer slider 2 clamp shape structure and the hole of interior slider 3 lower part through the pin respectively, with outer slider 2 and interior slider 3 swing joint.
Each hinge 4 is integrally provided with an upper portion of each handle 1, respectively.
Still be equipped with slider adjusting part on handle 1, including regulating block 5, adjusting screw A6 and spring A7, regulating block 5 pass through the pin with handle 1 connects, and is equipped with adjusting screw hole A501 on regulating block 5, L shape dog 203 is established to the lower extreme of outer slider 2 clamp shape structure, and adjusting screw A6 passes adjusting screw hole A501 back joint in L shape dog 203, and spring A7 connects between 3 lower ends of interior slider and the L shape dog 203 upper end.
The pliers in this embodiment are pliers for operating the locking tabs of the hexagonal nut, i.e. the jaws are for mating with the hexagonal nut.
When the hexagonal nut is locked by the locking plate, the two handles 1 are opened firstly, the outer sliding block 2 is at the uppermost end of the moving range, the inner sliding block 3 is at the lowermost end of the moving range, the two outer sliding blocks 2 are furthest apart under the leverage of the hinge 4, the jaw formed by the two jaw grooves 201 is in the maximum open state, the jaw is arranged at the position of the hexagonal nut and the locking plate, the locking lug of the locking plate is bent upwards in advance, the handle 1 is gripped, the end head at the upper part of the hinge 4 moves upwards, the inner sliding block 3 is driven to move upwards, the protruding block 301 of the inner sliding block 3 also moves upwards, the end head at the lower part of the hinge 4 moves downwards, the outer sliding block 2 is driven to move downwards, the jaw grooves also move downwards, meanwhile, the hinge 4 pulls the two outer sliding blocks 2 to be horizontally close, the jaw grooves are gradually reduced, the locking lug of the locking plate is clamped firstly, the locking lug is continuously gripped, the locking lug is deformed to be a stress surface relative to the side surface of the nut, the locking lug is deformed to complete the action of the locking lug, and the locking lug is tightly attached to the nut until the locking lug is tightly attached to the nut, and the locking lug is mechanically attached to the hexagonal nut.
The sliding block adjusting component is used for adjusting the up-and-down movement range of the sliding block, so as to adjust the size of the jaw. When the adjusting screw A6 is screwed into the adjusting screw hole A501 of the adjusting block 5 and is clamped in the L-shaped stop block 203, the outer slide block 2 is at the lower limit position, the upper and lower positions of the inner slide block 3 are determined by the round holes above the inner slide block, so that the upper and lower action range of the jaw moves downwards, the adjusting screw A6 is screwed outwards, the outer slide block 2 moves upwards, and the axial size of the jaw becomes larger.
EXAMPLE 3,
Referring to fig. 3, the present embodiment provides pliers for operating a nut locking plate, which comprises two handles 1, two outer sliding blocks 2, two inner sliding blocks 3 and four hinges 4, wherein the outer sliding blocks 2 are matched with the inner sliding blocks 3 to form jaws with variable sizes, the four hinges 4 are connected in pairs to form an X shape, the outer sliding blocks 2 and the inner sliding blocks 3 are movably connected, and the two handles 1 control opening and closing of the jaws.
Referring to fig. 3-1, 3-2, 3-3, 3-4, 3-5 and 3-6, a jaw groove 201 is formed on the inner side of the upper end of the outer sliding block 2, the lower end is of a clip-shaped structure, a strip hole is formed on the upper end of the position corresponding to two clamping pieces 202 of the clip-shaped structure, a round hole is formed on the lower end, a protruding block 301 matched with the jaw 201 groove of the outer sliding block 2 is formed on the upper end of the inner sliding block 3, a round hole is formed on the position corresponding to the strip hole on the outer sliding block 2 on the upper part of the inner sliding block 3, a strip hole is formed on the position corresponding to the round hole on the outer sliding block 2, and the lower end of the inner sliding block 3 is inserted into the clip-shaped structure of the outer sliding block 2;
The upper end, the middle part and the lower extreme of hinge 4 trompil respectively, the center of two X shape hinge groups that four hinges 4 formed passes through pin connection, and outer slider 2 and interior slider 3 set up between two X shape hinge groups, pass the round hole of hinge 4 tip, the hole on the outer slider 2 clamp shape structure and the hole of interior slider 3 lower part through the pin respectively, with outer slider 2 and interior slider 3 swing joint.
Referring to fig. 3-9 and 3-10, the two handles 1 are movably connected to form an X shape, the upper end of the handle 1 is connected with the outer side of the outer slider 2 through an adjusting screw B8, a spring B9 is arranged to be connected between the handle 1 and the adjusting screw B8, the connecting force between the handle 1 and the outer slider 2 is used for adjusting the connecting force between the handle 1 and the outer slider 2, an adjusting screw seat 10 is fixedly connected to the outer side of the outer slider 2, an adjusting screw cap 11 is preset in a spherical groove of the adjusting screw seat 10, the surface, which is contacted with the adjusting screw cap 11, of the adjusting screw seat 10 is spherical, the adjusting screw B8 penetrates through the handle 1 and is connected with the adjusting screw cap 11, and the diameters of holes on the handle 1 and the adjusting screw cap 11 are larger than the diameter of the adjusting screw B8.
On the surface of the handle 1 contacting with the adjusting screw seat 10, a linear protrusion 12 is provided, the protruding section is a triangle section, and on the surface of the corresponding adjusting screw seat 10, a rice-shaped groove 13 with a matched section is provided.
The pliers in this embodiment are pliers for operating the locking tabs of the hexagonal nut, i.e. the jaws are for mating with the hexagonal nut.
Referring to fig. 3-7 and fig. 3-8, when the hexagonal nut is locked by the locking plate, the two handles 1 are opened first, the handles 1 pull the adjusting screw B8 outwards, and simultaneously drive the adjusting screw cap 11 to rotate in the adjusting screw seat 10, at this time, the spring B9 is stretched, the outer slide 2 is at the uppermost end of the movable range, the inner slide 3 is at the lowermost end of the movable range, and the two outer slide 2 is farthest from each other under the leverage of the hinge 4, the jaw formed by the two jaw grooves 201 is in the maximum open state, the jaw is placed at the position of the hexagonal nut and the locking plate, the locking lugs of the locking plate are bent upwards in advance, the handle 1 is gripped, the end head at the upper part of the hinge 4 moves upwards, the inner slide 3 is driven to move upwards, the protruding block 301 at the lower part of the hinge 4 moves downwards, the jaw grooves move downwards, and simultaneously the hinge 4 pulls the two outer slide 2 to approach horizontally, the jaw grooves gradually decrease, the locking lugs of the locking plate are clamped, and the locking lugs are continuously gripped until the locking lugs are tightly attached to the hexagonal nut by the side surfaces of the locking lugs, so that the locking lugs are deformed, and the locking effect is tightly attached to the locking nut, and the locking nut is achieved.
Six surfaces in the pliers jaw can be regarded as stress surfaces or action surfaces, namely, the relative positions of the lock lugs and the pliers jaw can be adjusted according to the situation, the space limitation is small during clamping action, and six directions can be used in the plane range. The copper bar aluminum bar and the toothless flat tongs cannot be achieved.
Referring to fig. 3-11 and fig. 3-12, in order to adapt to the narrow and complicated space environments in different machines, a clamp head angle adjusting function is provided, namely, a linear protrusion 12 on a handle 1 and a meter-shaped groove 13 on an adjusting screw seat 10, when in use, an adjusting screw B8 is unscrewed firstly, then the clamp head is rotated by hands, so that the linear protrusion 12 is clamped into the meter-shaped groove 13 with a target angle, and then the adjusting screw B8 is screwed.
Claims (6)
1. The pliers for operating the nut locking and locking plate are characterized by comprising two handles (1), two outer sliding blocks (2), two inner sliding blocks (3) and four hinges (4), wherein the outer sliding blocks (2) are matched with the inner sliding blocks (3) to form jaws with variable sizes, the four hinges (4) are connected in pairs to form two X-shaped hinge groups, the outer sliding blocks (2) and the inner sliding blocks (3) are movably connected, and the two handles (1) control opening and closing of the jaws;
the inner side of the upper end of the outer sliding block (2) is provided with a jaw groove (201), the lower end of the outer sliding block is of a clamp-shaped structure, the upper ends of the two clamping pieces (202) of the clamp-shaped structure are provided with strip holes, the lower ends of the two clamping pieces are provided with round holes, the upper end of the inner sliding block (3) is provided with a protruding block (301) matched with the jaw groove (201) of the outer sliding block (2), the lower part of the inner sliding block (3) is provided with a round hole at the position corresponding to the strip holes on the outer sliding block (2), the position corresponding to the round holes on the outer sliding block (2) is provided with a strip hole, and the lower end of the inner sliding block (3) is inserted into the clamp-shaped structure of the outer sliding block (2);
The upper end, the middle part and the lower extreme of hinge (4) trompil respectively, the center of two X shape hinge groups that four hinges (4) formed passes through pin connection, and outer slider (2) and interior slider (3) set up between two X shape hinge groups, pass the round hole of hinge (4) tip, the hole on outer slider (2) clamp shape structure and the hole of interior slider (3) lower part respectively through the pin, link together outer slider (2) and interior slider (3) swing joint.
2. Pliers for handling nut lock tabs according to claim 1, characterized in that each hinge (4) is provided integrally with the upper part of each handle (1), respectively.
3. The pliers for operating the anti-loosening locking plate of the nut according to claim 2, characterized in that a sliding block adjusting assembly is further arranged on the handle (1), the anti-loosening locking plate comprises an adjusting block (5), an adjusting screw A (6) and a spring A (7), the adjusting block (5) is connected with the handle (1) through a pin, an adjusting screw hole A (501) is arranged on the adjusting block (5), an L-shaped stop block (203) is arranged at the lower end of the clamping structure of the outer sliding block (2), the adjusting screw A (6) passes through the adjusting screw hole and then is clamped in the L-shaped stop block (203), and the spring A (7) is connected between the lower end of the inner sliding block (3) and the upper end of the L-shaped stop block (203).
4. Pliers for handling nut locking pieces as claimed in claim 1, characterized in that two handles (1) are movably connected to form an X-shape, the upper ends of the handles (1) are connected with the outer sides of the outer slide blocks (2) through adjusting screws B (8), springs B (9) are arranged between the handles (1) and the adjusting screws B (8) for adjusting the connecting force of the handles (1) and the outer slide blocks (2), adjusting screw seats (10) are fixedly connected to the outer sides of the outer slide blocks (2), adjusting screw caps (11) are arranged in spherical grooves of the adjusting screw seats (10) in advance, the surfaces, which are in contact with the adjusting screw caps (11), of the adjusting screw seats (10) are spherical, the adjusting screws B (8) penetrate through the handles (1) and are connected with the adjusting screw caps (11), and diameters of holes in the handles (1) and the adjusting screw caps (11) are larger than those of the adjusting screws B (8).
5. Pliers for handling locking tabs of nuts according to claim 4, characterized in that on the face of the handle (1) in contact with the seat (10) of the adjusting screw, there is provided a rectilinear protuberance (12) with a triangular section and on the face of the corresponding seat (10) there is provided a groove (13) with a matching cross section in the shape of a Chinese character 'mi'.
6. The pliers for operating a lock tab of a nut as claimed in claim 1, wherein the pliers are pliers for operating a lock tab of a hex nut, i.e., the jaws are for mating with a hex nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910321308.9A CN109909900B (en) | 2019-04-22 | 2019-04-22 | Pliers for operating nut locking plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910321308.9A CN109909900B (en) | 2019-04-22 | 2019-04-22 | Pliers for operating nut locking plate |
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| Publication Number | Publication Date |
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| CN109909900A CN109909900A (en) | 2019-06-21 |
| CN109909900B true CN109909900B (en) | 2024-05-03 |
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| CN201910321308.9A Active CN109909900B (en) | 2019-04-22 | 2019-04-22 | Pliers for operating nut locking plate |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110293384A (en) * | 2019-07-08 | 2019-10-01 | 浙江贝尔轨道装备有限公司 | It is a kind of for installing the pincers that bend of anti-rotation sheet |
| CN111113289B (en) * | 2020-01-10 | 2021-10-01 | 中国航发沈阳发动机研究所 | Locking plate pliers |
| CN114083479B (en) * | 2021-11-08 | 2023-10-20 | 陕西飞机工业有限责任公司 | Bending and mounting tool for stop piece |
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| CN109909900A (en) | 2019-06-21 |
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