CN117961523A - Bolt pre-tightening tool - Google Patents
Bolt pre-tightening tool Download PDFInfo
- Publication number
- CN117961523A CN117961523A CN202410393621.4A CN202410393621A CN117961523A CN 117961523 A CN117961523 A CN 117961523A CN 202410393621 A CN202410393621 A CN 202410393621A CN 117961523 A CN117961523 A CN 117961523A
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- cylinder
- nut
- stud
- cylinder body
- clamp
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- 230000003068 static effect Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000011900 installation process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to the technical field of compressor assembly, in particular to a bolt pre-tightening tool which comprises a supporting piece, wherein the supporting piece is used for enabling a cylinder body and a cylinder cover to be arranged concentrically and supporting the cylinder cover; the clamp is connected to the support piece, one end of the stud is in threaded connection with the nut, the other end of the stud penetrates through the cylinder body and the cylinder cover, and the clamp is used for enabling the nut and the support piece to be in a relatively static state or a relatively moving state; and a control member for controlling the clamp to clamp/unclamp the nut. The invention can solve the technical problem that a plurality of operators are needed to match when the bolts are pre-tightened in the prior art.
Description
Technical Field
The invention relates to the technical field of compressor assembly, in particular to a bolt pre-tightening tool.
Background
The diaphragm compressor is a special positive displacement compressor, hydraulic oil is driven by a piston, and then the diaphragm is driven by the hydraulic oil to deform to change the volume of an air cavity, so that the air suction, compression and exhaust processes are completed.
In the process of mounting and fixing a diaphragm compressor, a plurality of bolts are often required, the position of a cylinder cover relative to a cylinder body is limited by the bolts, and the cylinder body and the cylinder cover are concentrically arranged. In the installation and fixing process, a plurality of operators are required to be matched, one operator is responsible for aligning the through holes on the cylinder cover and the cylinder body, the nut is screwed to one end of the stud, the stud penetrates through the through holes on the cylinder body and the cylinder cover, the position of the stud is fixed by one operator, and meanwhile, one operator is responsible for screwing the nut to the other end of the stud and screwing.
Disclosure of Invention
In view of the above, the invention provides a bolt pre-tightening tool, which aims to solve the technical problem that a plurality of operators are required to cooperate when the bolt is pre-tightened in the prior art.
In order to solve the technical problems, the bolt pre-tightening tool provided by the invention adopts the following technical scheme: a bolt pre-tightening tool comprises a supporting piece, a bolt pre-tightening device and a bolt pre-tightening device, wherein the supporting piece is used for enabling a cylinder body and a cylinder cover to be arranged concentrically and supporting the cylinder cover; the clamp is connected to the support piece, one end of the stud is in threaded connection with the nut, the other end of the stud penetrates through the cylinder body and the cylinder cover, and the clamp is used for enabling the nut and the support piece to be in a relatively static state or a relatively moving state; and a control member for controlling the clamp to clamp/unclamp the nut.
Through adopting above-mentioned technical scheme, support piece supports the cylinder cap, need not manual operation and supports the cylinder cap, uses manpower sparingly. The support piece limits, makes cylinder body and cylinder cap concentric setting, and the through-hole on the messenger's cylinder body and the through-hole one-to-one on the cylinder cap of being convenient for are convenient for install the bolt, the operation of being convenient for. A nut is firstly arranged at one end of the stud, the stud penetrates through the through holes in the cylinder body and the cylinder cover, the control piece controls the clamp to limit the movement of the nut, the nut is enabled to be static relative to the support piece, the other end of the stud is convenient to install another nut, the situation that the nut and the stud rotate in the installation process is avoided as much as possible, and the stability of the device is improved. The manpower is saved, supports and spacing through the device, need not a plurality of operating personnel and cooperatees.
Optionally, sliding connection has two connecting blocks on the support piece, support piece with the cylinder body sets up with one heart, the connecting block is followed support piece circumference slides, two the connecting block uses the centre of a circle of support piece is one hundred eighty degrees rotational symmetry setting as the benchmark, anchor clamps are equipped with two, two anchor clamps connect respectively in one the connecting block, two pass through connecting rod fixed connection between the connecting block.
Through adopting above-mentioned technical scheme, set up two anchor clamps, restrict two stud positions simultaneously, be convenient for fix two stud and nut. The two connecting blocks are arranged in a one hundred eighty degree rotational symmetry mode by taking the center of a supporting piece as a reference, a symmetrical installation mode is adopted when bolts are installed, the balance and stability of the installation process are improved, the pressure and the load are evenly distributed, the stress concentration condition is reduced, the risk of loosening is reduced, and the cylinder body and the cylinder cover are guaranteed to maintain good sealing performance in the use process. The connecting rod is arranged, so that the two connecting block positions can be moved conveniently and simultaneously, the two connecting blocks are guaranteed to be rotationally symmetrical by one hundred eighty degrees with the circle center of the supporting piece as a reference all the time, and the symmetrical mounting bolts are convenient to install.
Optionally, sliding connection has the roof on the connecting block, the roof is followed support piece axial slip, the control piece control the roof is relative the connecting block position, the roof with can make nut and cylinder body/cylinder cap butt when the butt of stud one end.
Through adopting above-mentioned technical scheme, roof and stud one end butt, roof promote stud, make nut and cylinder body/cylinder cap butt, through the distance between roof and cylinder body/cylinder cap, can know the length of the stud that stretches out outside cylinder body and the cylinder cap. If the top plate cannot normally operate, the length of the stud bolt is too long; the length of the stud is too short, with a gap between the nut and the cylinder/head, or between the top plate and the stud. Through the roof, restriction stud stretches out the length of one end, helps unifying the position of a plurality of studs on cylinder body and the cylinder cap, and hoisting device uniformity promotes the installation effect, helps average distribution pressure, makes the device more pleasing to the eye simultaneously, and the operating personnel of being convenient for installs and dismantles.
Optionally, the support piece includes two semicircular go-between, the go-between laminating is in the lateral wall of cylinder body and the lateral wall of cylinder cap, two the go-between cooperatees and forms the ring, ring cover is located cylinder body and cylinder cap.
By adopting the technical scheme, the support piece is convenient to mount and dismount, and the device is flexible.
In summary, the invention has the following beneficial technical effects:
1. the support piece supports the cylinder cover, and the manual operation is not needed to support the cylinder cover, so that the labor is saved.
2. The support piece limits, makes cylinder body and cylinder cap concentric setting, and the through-hole on the messenger's cylinder body and the through-hole one-to-one on the cylinder cap of being convenient for are convenient for install the bolt, the operation of being convenient for.
3. The nut is firstly arranged at one end of the stud, the stud penetrates through the through holes in the cylinder body and the cylinder cover, the control piece controls the clamp, the clamp limits the movement of the nut, the nut is enabled to be static relative to the support piece, the other nut is conveniently arranged at the other end of the stud, the situation that the nut and the stud rotate in the installation process is avoided as much as possible, the stability of the device is improved, and the labor is saved.
4. Two clamps are arranged, and the positions of the two studs are limited at the same time, so that the two studs and the nuts are convenient to fix. The two connecting blocks are arranged in a one hundred eighty degree rotation symmetry mode by taking the center of the supporting piece as a reference, a symmetrical installation mode is adopted when bolts are installed, balance and stability of an installation process are improved, pressure and load are evenly distributed, stress concentration is reduced, the risk of loosening is reduced, and good tightness of the cylinder body and the cylinder cover in the use process is guaranteed. The connecting rod is arranged, so that the two connecting block positions can be moved conveniently and simultaneously, the two connecting blocks are guaranteed to be rotationally symmetrical by one hundred eighty degrees with the circle center of the supporting piece as a reference all the time, and the symmetrical mounting bolts are convenient to install.
5. The top plate is abutted with one end of the stud, the stud is pushed by the top plate, the nut is abutted with the cylinder body/cylinder cover, and the length of the stud extending out of the cylinder body and the cylinder cover can be known through the distance between the top plate and the cylinder body/cylinder cover. If the top plate cannot normally operate, the length of the stud bolt is too long; the length of the stud is too short, with a gap between the nut and the cylinder/head, or between the top plate and the stud. Through the roof, restriction stud stretches out the length of one end, helps unifying the position of a plurality of studs on cylinder body and the cylinder cap, and hoisting device uniformity promotes the installation effect, helps average distribution pressure, makes the device more pleasing to the eye simultaneously, and the operating personnel of being convenient for installs and dismantles.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the clamp and the control member according to the embodiment of the present invention;
FIG. 3 is a schematic view of the control and connection blocks according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of a portion A of FIG. 3;
fig. 5 is a partial structural cross-sectional view of the top plate and the limiting plate in the embodiment of the present invention.
Reference numerals illustrate: 1. a support; 11. a connecting ring; 12. a circular ring; 2. a clamp; 21. a clamping plate; 22. a moving rod; 23. a rotating lever; 3. a control member; 31. an eccentric wheel; 32. a control lever; 33. a vertical rod; 34. a fixed block; 35. a return spring; 36. a placement groove; 37. a moving block; 38. a handle; 4. a connecting block; 41. a connecting rod; 42. a sliding groove; 43. a sliding bar; 5. a top plate; 51. a limiting plate; 52. a limit groove; 53. a return spring; 6. a cylinder; 7. a cylinder cover; 8. a stud bolt; 9. and (3) a nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.
The present invention is described in further detail below with reference to fig. 1-5.
The embodiment of the invention discloses a bolt pre-tightening tool. Referring to fig. 1 to 5, a bolt pre-tightening tool comprises a support 1, a clamp 2, a control member 3, a connecting block 4 and a top plate 5.
Referring to fig. 1, the support 1 comprises two semicircular connection rings 11. The semicircular connecting ring 11 is attached to the side walls of the cylinder body 6 and the cylinder cover 7, and the two connecting rings 11 are matched to form a circular ring 12 and are sleeved on the cylinder body 6 and the cylinder cover 7. The two connecting rings 11 are matched to limit the cylinder cover 7 and the cylinder body 6, so that the cylinder cover 7, the cylinder body 6 and the circular ring 12 are concentrically arranged, and the through holes on the cylinder body 6 and the through holes on the cylinder cover 7 are in one-to-one correspondence, so that the cylinder is convenient to use. Meanwhile, the circular ring 12 plays a supporting role on the cylinder cover 7, an operator is not required to manually support the cylinder cover 7, and labor is saved. Wherein, the two semicircular connecting rings 11 cooperate to form a circular ring 12, and the installation and the disassembly between the two connecting rings 11 are well known to those skilled in the art, and will not be described in detail herein.
Referring to fig. 1 and 2, the clamp 2 is provided with two for clamping the nut 9, limiting the movement of the nut 9. Make nut 9 static relative support piece 1, be convenient for install nut 9 at the other end of stud 8, avoid the condition that influences the installation because of stud 8 and nut 9 rotate in the installation as far as possible, use manpower sparingly, need not the manual motion that limits nut 9 of operating personnel, hoisting device stability.
Referring to fig. 1 and 2, two connection blocks 4 are provided, the two connection blocks 4 are rotationally symmetrically arranged in one hundred eighty degrees with respect to the center of the support 1, the two clamps 2 are respectively connected to one connection block 4, and the two connection blocks 4 are fixedly connected through a connection rod 41. The connecting block 4 has offered the sliding tray 42 near the one side of go-between 11, and two go-between 11 lateral walls all are connected with slider 43, and slider 43 extends along go-between 11 circumference, and slider 43 slides and peg graft in the sliding tray 42, and connecting block 4 slides along slider 43. The connecting block 4 and the clamp 2 are convenient to adjust, the two connecting block 4 positions are convenient to adjust simultaneously through the connecting rod 41, and the two connecting blocks 4 are guaranteed to be arranged in one hundred eighty degrees of rotational symmetry all the time by taking the circle center of the cylinder body 6 as a reference. The symmetrical mounting bolts are convenient, the symmetrical mounting mode is adopted, the balance and stability of the mounting process are improved, the pressure and load are evenly distributed, the stress concentration condition is reduced, the risk of loosening is reduced, and the cylinder body 6 and the cylinder cover 7 are guaranteed to maintain good tightness in the use process.
Referring to fig. 1, 2,3 and 4, the top plate 5 is connected to the connection block 4, the top plate 5 slides axially along the support 1, the top plate 5 abuts against one end of the stud bolt 8, and the top plate 5 pushes the stud bolt 8 to abut the nut 9 against the cylinder block 6/the cylinder head 7. The length of the stud bolts 8 protruding outside the cylinder block 6 and the cylinder head 7 is known by the interval between the top plate 5 and the cylinder block 6/cylinder head 7. The positions of the plurality of stud bolts 8 on the cylinder body 6 and the cylinder cover 7 are unified, the uniformity of the device is improved, the installation effect is improved, the pressure is evenly distributed, the device is attractive, and the installation and the disassembly of operators are facilitated.
Referring to fig. 1,2 and 3, the control member 3 includes an eccentric 31, a lever 32 and a vertical rod 33.
Referring to fig. 1,2, 3 and 4, a fixed block 34 is fixedly connected to one side of the connecting block 4, which is close to the connecting ring 11, the clamp 2 comprises two clamping plates 21, the two clamping plates 21 are respectively arranged on one side of the fixed block 34, movable rods 22 are connected to the clamping plates 21, one ends of the two movable rods 22 are hinged to the fixed block 34, and the other ends of the two movable rods 22 are hinged to a rotating rod 23. The control rod 32 extends radially along the connecting ring 11, the control rod 32 passes through the connecting block 4 and is in sliding connection with the connecting block 4, and the two rotating rods 23 are hinged to one end of the control rod 32, which is close to the connecting ring 11. When the control rod 32 moves towards the direction approaching the connecting ring 11, the two clamping plates 21 are far away from each other, the clamp 2 is opened, and the limit on the nut 9 is released; when the control rod 32 is moved away from the connecting ring 11, the two clamping plates 21 come closer to each other, the clamp 2 clamps, and the nut 9 and the stud 8 are restrained.
Referring to fig. 1,2, 3 and 4, the eccentric 31 is connected to a side of the control rod 32 remote from the connection ring 11, and the eccentric 31 side is provided as a plane. When the arc surface of the eccentric wheel 31 is connected with the connecting block 4, the clamp 2 is opened. The eccentric wheel 31 is rotated until the plane of the eccentric wheel 31 is connected with the connecting block 4, the control rod 32 moves in the direction away from the connecting ring 11, the clamp 2 is clamped, and meanwhile, the eccentric wheel 31 plays a limiting role, so that the condition that the clamp 2 is suddenly loosened in the working process is avoided as much as possible. The eccentric wheel 31 is connected with a handle 38, which is convenient for forcing and rotating the eccentric wheel 31.
Referring to fig. 1, 2, 3 and 4, a vertical rod 33 extends axially along the connection ring 11, and the top end of the vertical rod 33 is connected to the control rod 32 at a side close to the connection ring 11. A return spring 35 is arranged between the vertical rod 33 and the fixed block 34. When the control rod 32 and the vertical rod 33 move towards the direction far away from the connecting ring 11, the return spring 35 is compressed, the eccentric wheel 31 is rotated, the cambered surface of the eccentric wheel 31 is connected with the connecting block 4, the limitation on the clamp 2 is relieved, under the action of the return spring 35, the vertical rod 33 and the control rod 32 are pushed, the control rod 32 moves towards the direction close to the connecting ring 11, the clamp 2 is conveniently opened, the labor is saved, the device is conveniently reset, and the next use is convenient.
Referring to fig. 1, 2, 3 and 4, a placing groove 36 extending along the axial direction of the connecting ring 11 is formed in the connecting block 4, the bottom end of the vertical rod 33 is connected with a moving block 37, and the moving block 37 is slidingly inserted in the placing groove 36 in the radial direction of the connecting ring 11. The top surface of the moving block 37 is obliquely arranged, the bottom surface of the top plate 5 is an inclined surface attached to the top surface of the moving block 37, and the area of one side of the top plate 5 close to the connecting ring 11 is larger than the area of one side of the top plate 5 far away from the connecting ring 11. Referring to fig. 5, both side walls of the top plate 5 are connected with limiting plates 51, both side walls of the placement groove 36 are provided with limiting grooves 52, and the limiting plates 51 are slidably inserted into the limiting grooves 52 in the axial direction of the connecting ring 11.
Referring to fig. 1,2, 3, 4 and 5, when the control lever 32 moves in a direction away from the connecting ring 11, the vertical rod 33 and the moving plate are driven to move in a direction away from the connecting ring 11, the limiting plate 51 limits the top plate 5 to axially slide along the connecting ring 11, and under the action of the inclined surface abutting of the moving plate, the top plate 5 moves in a direction approaching to the cylinder 6 and the cylinder cover 7 until the top plate 5 abuts against one end of the stud bolt 8.
Referring to fig. 1,2, 3, 4 and 5, a reset spring 53 is disposed between the top surface of the limiting plate 51 and the top surface of the limiting groove 52, when the control rod 32 moves towards the direction close to the connecting ring 11, the vertical rod 33 and the moving plate are driven to move towards the direction close to the connecting ring 11, and under the action of the reset spring 53, the limiting plate 51 and the top plate 5 are pushed to move downwards, and the device is reset, so that the next use is facilitated.
The implementation principle of the bolt pre-tightening tool provided by the embodiment of the invention is as follows:
The two connecting rings 11 are aligned, the two connecting rings 11 are matched to form a circular ring 12, and the circular ring 12 is sleeved on the cylinder body 6 and the cylinder cover 7. In the process of installing the connecting rings 11, the sliding strips 43 on the connecting rings 11 are in sliding connection with the sliding grooves 42 on the connecting blocks 4, so that the two connecting blocks 4 slide along the sliding strips 43 on the two connecting rings 11.
A nut 9 is first screwed on one end of the stud bolts 8, and a plurality of stud bolts 8 are sequentially operated.
The other end of the stud bolts 8 pass through holes in the cylinder body 6 and the cylinder cover 7, and two stud bolts 8 are symmetrically arranged on the cylinder body 6 and the cylinder cover 7. The connecting rod 41 is turned so that the two connecting blocks 4 respectively support the two stud bolts 8.
The eccentric wheel 31 is rotated, the two clamping plates 21 of the clamp 2 are moved close to each other, and the top plate 5 is moved in a direction approaching the cylinder block 6 and the cylinder head 7. In this process, if the top plate 5 cannot normally run, the lengths of the stud bolts 8 extending to the cylinder body 6 and the cylinder cover 7 are wrong, the stud bolts 8 are taken down, the positions of the nuts 9 are rotated, the extending lengths of the stud bolts 8 are adjusted, and the uniformity of the device is improved, so that a plurality of bolts are installed neatly.
The roof 5 and the butt of stud 8, roof 5 promote stud 8, and nut 9 and cylinder body 6/cylinder cap 7 ground connect, and two splint 21 cooperate, and anchor clamps 2 limit nut 9 relative go-between 11 positions, avoid nut 9 to take place pivoted condition as far as possible. The operator can screw the nut 9 on the other end of the stud 8.
During the installation process, the two clamps 2 limit the positions of the symmetrical two studs 8, and the operator installs the nuts 9 symmetrically in sequence.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (4)
1. Bolt pretension frock, its characterized in that includes:
a support (1) for concentrically arranging the cylinder block (6) and the cylinder head (7) and supporting the cylinder head (7);
The clamp (2) is connected to the support (1), one end of the stud (8) is in threaded connection with the nut (9), the other end of the stud (8) penetrates through the cylinder body (6) and the cylinder cover (7), and the clamp (2) is used for enabling the nut (9) and the support (1) to be in a relatively static state or a relatively moving state;
A control member (3) for controlling the clamp (2) to clamp/unclamp the nut (9).
2. The bolt pre-tightening tool according to claim 1, wherein: the utility model discloses a support piece, support piece (1) is gone up sliding connection has two connecting blocks (4), support piece (1) with cylinder body (6) are concentric to be set up, connecting block (4) are followed support piece (1) circumference slides, two connecting block (4) use the centre of a circle of support piece (1) is one hundred eighty degrees rotational symmetry setting as the benchmark, anchor clamps (2) are equipped with two, two anchor clamps (2) connect respectively in one connecting block (4), two pass through connecting rod (41) fixed connection between connecting block (4).
3. The bolt pre-tightening tool according to claim 2, wherein: the connecting block (4) is connected with a top plate (5) in a sliding manner, the top plate (5) axially slides along the supporting piece (1), the control piece (3) controls the top plate (5) to be opposite to the position of the connecting block (4), and the nut (9) can be abutted with the cylinder body (6)/the cylinder cover (7) when the top plate (5) is abutted with one end of the stud (8).
4. The bolt pre-tightening tool according to claim 1, wherein: the support piece (1) comprises two semicircular connecting rings (11), the connecting rings (11) are attached to the side wall of the cylinder body (6) and the side wall of the cylinder cover (7), the two connecting rings (11) are matched to form a circular ring (12), and the circular ring (12) is sleeved on the cylinder body (6) and the cylinder cover (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410393621.4A CN117961523B (en) | 2024-04-02 | 2024-04-02 | Bolt pre-tightening tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410393621.4A CN117961523B (en) | 2024-04-02 | 2024-04-02 | Bolt pre-tightening tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117961523A true CN117961523A (en) | 2024-05-03 |
| CN117961523B CN117961523B (en) | 2024-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410393621.4A Active CN117961523B (en) | 2024-04-02 | 2024-04-02 | Bolt pre-tightening tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117961523B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0520831U (en) * | 1991-08-30 | 1993-03-19 | 三菱自動車工業株式会社 | Tool for tightening stud bolts |
| JPH06155190A (en) * | 1992-11-16 | 1994-06-03 | Nissan Motor Co Ltd | Workpiece mounting device |
| JPH10249655A (en) * | 1997-03-13 | 1998-09-22 | Hitachi Ltd | Extracting method of sticking bolt and extractor |
| CN103639693A (en) * | 2013-12-10 | 2014-03-19 | 天津市中重金属结构有限公司 | Double end stud mounting device |
| CN104308522A (en) * | 2014-10-31 | 2015-01-28 | 天津市中重金属结构有限公司 | Automatic double-end stud mounting equipment |
| CN110293392A (en) * | 2019-06-10 | 2019-10-01 | 苏州博瑞达智能设备有限公司 | A kind of double nut locking assembling mechanism |
| CN112091594A (en) * | 2020-11-17 | 2020-12-18 | 中国科学院自动化研究所 | Target bolt locking device and target bolt automatic locking system |
| CN116833729A (en) * | 2023-08-07 | 2023-10-03 | 江阴市恒润环锻有限公司 | Device and method for quickly screwing fixed-length stud for wind power variable pitch bearing |
-
2024
- 2024-04-02 CN CN202410393621.4A patent/CN117961523B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0520831U (en) * | 1991-08-30 | 1993-03-19 | 三菱自動車工業株式会社 | Tool for tightening stud bolts |
| JPH06155190A (en) * | 1992-11-16 | 1994-06-03 | Nissan Motor Co Ltd | Workpiece mounting device |
| JPH10249655A (en) * | 1997-03-13 | 1998-09-22 | Hitachi Ltd | Extracting method of sticking bolt and extractor |
| CN103639693A (en) * | 2013-12-10 | 2014-03-19 | 天津市中重金属结构有限公司 | Double end stud mounting device |
| CN104308522A (en) * | 2014-10-31 | 2015-01-28 | 天津市中重金属结构有限公司 | Automatic double-end stud mounting equipment |
| CN110293392A (en) * | 2019-06-10 | 2019-10-01 | 苏州博瑞达智能设备有限公司 | A kind of double nut locking assembling mechanism |
| CN112091594A (en) * | 2020-11-17 | 2020-12-18 | 中国科学院自动化研究所 | Target bolt locking device and target bolt automatic locking system |
| CN116833729A (en) * | 2023-08-07 | 2023-10-03 | 江阴市恒润环锻有限公司 | Device and method for quickly screwing fixed-length stud for wind power variable pitch bearing |
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| Publication number | Publication date |
|---|---|
| CN117961523B (en) | 2024-05-31 |
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