CN111761338A - Screw screwing mechanism in automobile - Google Patents
Screw screwing mechanism in automobile Download PDFInfo
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- CN111761338A CN111761338A CN202010398441.7A CN202010398441A CN111761338A CN 111761338 A CN111761338 A CN 111761338A CN 202010398441 A CN202010398441 A CN 202010398441A CN 111761338 A CN111761338 A CN 111761338A
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- traction piece
- telescopic
- piece
- opening
- screw
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- 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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Abstract
The invention provides an automobile internal screw screwing mechanism which comprises a guide diaphragm, a ratchet screw driver seat and a traction piece, wherein the guide diaphragm is a flexible diaphragm; a wheel groove and a traction piece groove are formed in the guide diaphragm, a first opening and a second opening are formed in one end of the guide diaphragm, and the traction piece groove is communicated with the second opening after winding through the wheel groove from the first opening in the guide diaphragm; the ratchet screwdriver seat is matched in the wheel groove, and the ratchet screw only has the autorotation freedom degree relative to the wheel groove; the traction piece is arranged in the traction piece groove, two ends of the traction piece are free, and two ends of the traction piece are respectively led out from the first opening and the second opening; the traction piece is matched with the periphery of the ratchet screwdriver seat and drives the ratchet screwdriver seat to rotate around the shaft. The screw screwing mechanism in the automobile can perform screw screwing operation in a space with a small height, so that the implementation mode of screwing screws in the automobile can be realized, and a new design idea is provided for the automobile manufacturing industry.
Description
Technical Field
The invention relates to the field of mechanical tools, in particular to an automobile internal screw screwing mechanism.
Background
At present, in the automobile assembly industry, the fixed screw is screwed down in an external fixing mode under the limitation of processing conditions, and the screw head of the screw screwed down in the external fixing mode is exposed. Although the fastening screw is convenient, it has some disadvantages. On one hand, the screw head of the screw is exposed, so that the screw is easy to rust and corrode, and the service life of the anti-oxidation sealant made for the screw head is short; on the other hand, the screw head of screw exposes, makes automobile parts dismantle too easily, receives unauthorized maintenance producer of third party to dismantle easily to lead to unpredictable security quality problem.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention correspondingly provides an automobile internal screw screwing mechanism.
Correspondingly, the invention provides an automobile internal screw screwing mechanism which comprises a guide membrane, a ratchet screw driver seat and a traction piece, wherein the guide membrane is a flexible membrane;
a wheel groove and a traction piece groove are formed in the diaphragm, a first opening and a second opening are formed in one end of the diaphragm, and the traction piece groove is communicated with the second opening after winding through the wheel groove from the first opening in the diaphragm;
the ratchet screwdriver seat is matched in the wheel groove, and the ratchet screw only has a rotation freedom degree relative to the wheel groove;
the traction piece is arranged in the traction piece groove, two ends of the traction piece are free, and two ends of the traction piece are led out from the first opening and the second opening respectively;
the traction piece is matched with the periphery of the ratchet screwdriver seat, and the traction piece drives the ratchet screwdriver seat to rotate around the shaft.
In an optional embodiment, the device further comprises a plurality of groups of positioning modules, wherein the plurality of groups of positioning modules are plastically packaged at the edge of the guide membrane based on an elastic material;
any group of positioning assemblies comprises an electromagnet, a permanent magnet and a telescopic assembly, and the electromagnets in different positioning assemblies are independently controlled;
the telescopic assembly comprises a plurality of telescopic pieces which are sequentially sleeved in a ring based on the size;
in the two adjacent telescopic pieces, the telescopic piece with smaller size is in sliding fit in the telescopic piece with larger size; the telescopic piece with the smaller size can be retracted into the telescopic piece with the larger size, the telescopic piece with the smaller size can extend out relative to the telescopic piece with the larger size along the axis direction, and the telescopic piece with the larger size can limit the telescopic piece with the smaller size;
the electromagnet is arranged in the telescopic piece with the largest size in the telescopic assembly, the permanent magnet is arranged on the telescopic piece with the smallest size in the telescopic assembly, and the electromagnet and the permanent magnet are mutually exclusive when being electrified.
In an optional embodiment, the elastic material is a thermally induced shape memory polymer material;
any set of the positioning assemblies further comprises heating elements, the heating elements in different positioning assemblies being independently controlled.
In an optional embodiment, any one group of the positioning assemblies further comprises a distance sensor, and a distance measuring sealing cover matched with the distance sensor is arranged on the telescopic piece with the smallest size in the telescopic assemblies;
the distance sensor is arranged on the surface of one side, facing the distance measuring sealing cover, of the electromagnet.
In an optional embodiment, the system further comprises a driving module;
the driving module is used for driving the traction piece to move.
In an optional embodiment, the driving module is a unidirectional driving module;
two ends of the traction piece are connected to form a closed loop, and the unidirectional driving module drives the traction piece to move in a unidirectional mode.
In an optional embodiment, the driving module is a bidirectional driving module;
the bidirectional driving module drives the traction piece to do periodic bidirectional reciprocating motion.
In an optional embodiment, the traction member is a chain wheel, and the periphery of the ratchet screwdriver seat is provided with chain teeth matched with the chain wheel;
the traction piece is matched with the sprocket on the periphery of the ratchet screwdriver seat.
In an optional embodiment, a screwdriver head or a sleeve is arranged on the ratchet screwdriver seat.
In conclusion, the invention provides the automobile internal screwing mechanism which can perform screwing operation in a space with a small height, so that the implementation mode of screwing the screw in the automobile is realized, and a new design idea is provided for the automobile manufacturing industry.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram showing a three-dimensional structure of an automotive internal screw driving mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing a three-dimensional structure of an automotive internal screw driving mechanism according to an embodiment of the present invention;
fig. 3 shows a schematic structural diagram of a positioning assembly according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided by way of specific examples, and those skilled in the art will appreciate the advantages and utilities of the present invention in view of the disclosure herein.
It should be noted that the structures, proportions, sizes, and other elements of the drawings in the specification are only used for matching with the description of the specification, so as to enable those skilled in the art to understand and read the description, and are not used for limiting the implementation conditions of the present invention, and any structural modifications, changes in proportion, or adjustments of sizes shall fall within the scope of the technical contents disclosed in the present invention without affecting the functions and purposes of the present invention. In addition, the terms "first", "second", "upper" and "first" as used herein are for convenience of description only and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship therebetween are deemed to be within the scope of the present invention without substantially changing the technical content thereof.
Fig. 1 shows a three-dimensional structure diagram of an automotive internal screw driving mechanism according to an embodiment of the invention. The invention provides an automobile internal screwing mechanism which comprises a guide membrane 1, a ratchet screwdriver seat 2 and a traction piece 4.
Specifically, the guide diaphragm 1 is a flexible diaphragm, and the flexible diaphragm is a bendable diaphragm. In the embodiment of the invention, the guide membrane 1 serves as a support for the mechanism, on the one hand, the guide membrane 1 has a certain support property and, on the other hand, the guide membrane 1 has a certain bending property. Specifically, materials such as PVC can be selected, and the components of the materials can be adjusted according to requirements, so that the performance requirements can be met.
Specifically, a wheel groove 101 and a traction piece groove 102 are arranged inside the guide membrane 1, a first opening 103 and a second opening 104 are arranged at one end of the guide membrane 1, and the traction piece groove 102 is communicated with the second opening 104 after passing through the wheel groove 101 from the first opening 103 inside the guide membrane.
Fig. 2 shows a schematic three-dimensional structure diagram of an automotive internal screw driving mechanism according to an embodiment of the invention. Specifically, in the embodiment of the invention, in a specific implementation, the guide film may be split into an upper portion and a lower portion according to the direction shown in the figure, the half wheel groove 101 and the half traction piece groove 102 are formed by hot pressing two PVC films, and then the two PVC films are combined by bonding, hot pressing, and the like to form the required guide film.
Specifically, the ratchet screwdriver seat 2 is fitted in the wheel groove, and the ratchet screw has only a rotational degree of freedom with respect to the wheel groove 101. Specifically, as shown in fig. 1 and fig. 2, the ratchet screwdriver seat 2 is locked in the wheel groove 101 at its periphery, but can rotate around its own axis.
Specifically, the ratchet screwdriver seat 2 is the ratchet screwdriver seat 2 in the prior art and has a one-way locking function (one-way screwing function), and the movement form of the traction piece 4 is not fixed, so that the ratchet screwdriver seat 2 is arranged, and the screwing direction can be ensured to be a preset direction no matter the movement of the traction piece 4 is one-way movement or reciprocating movement.
Specifically, the pulling member 4 is disposed in the pulling member slot 102, and two ends of the pulling member 4 are free, and two ends of the pulling member 4 are respectively led out from the first opening 103 and the second opening 104; the traction piece 4 is matched with the periphery of the ratchet screwdriver seat 2, and the traction piece 4 drives the ratchet screwdriver seat 2 to rotate around a shaft.
In the specific implementation, the guide membrane 1 extends into a region with small thickness (a position where the traditional flexible shaft cannot operate), so that the ratchet screwdriver seat 2 reaches a preset position, and then the ratchet screwdriver seat 2 is driven to rotate by the movement of the traction piece 4, and the ratchet screwdriver seat 2 is remotely driven to move.
Generally, the ratchet screwdriver seat 2 is provided with a screwdriver head or a sleeve.
Further, in addition to overcoming the limitations of the environment of use, in certain implementations, it is desirable to address the positioning of the guide membrane so that the position of the ratchet screwdriver seat 2 is more accurate. Specifically, the screw screwing mechanism in the automobile further comprises a plurality of groups of positioning modules 3, and the plurality of groups of positioning modules 3 are plastically packaged at the edge of the guide membrane 101 on the basis of elastic materials.
Fig. 3 shows a schematic structural diagram of a positioning assembly according to an embodiment of the present invention. Any group of positioning assemblies comprises an electromagnet 301, a permanent magnet 306 and a telescopic assembly, and the electromagnets 301 in different positioning assemblies are independently controlled;
the telescopic assembly comprises a plurality of telescopic pieces 305 which are sequentially arranged in a loop according to the size;
of the two telescoping members 305 that are adjacently disposed, the smaller sized telescoping member 305 is a sliding fit within the larger sized telescoping member 305; the smaller-sized telescoping piece 305 can be retracted into the larger-sized telescoping piece 305, and the smaller-sized telescoping piece 305 can be extended in the axial direction relative to the larger-sized telescoping piece 305, and the larger-sized telescoping piece 305 can limit the smaller-sized telescoping piece 305;
the electromagnet 301 is arranged in the telescopic piece 305 with the largest size in the telescopic assembly, the permanent magnet 306 is arranged on the telescopic piece 305 with the smallest size in the telescopic assembly 305, and the electromagnet 301 and the permanent magnet 306 are mutually exclusive when being electrified.
In specific implementation, the electromagnet 301 is electrified, the telescopic part 305 provided with the permanent magnet 306 can be jacked up, and the whole telescopic assembly is finally converted into an extending state from a retracting state through layer-by-layer driving, so that the height of the telescopic assembly can be controllably adjusted, and the telescopic assembly can be jacked on a part of an automobile.
Specifically, through the overall control to a plurality of telescopic assemblies, aiming at the inner wall structure near the operation space of the screwing mechanism, different telescopic assemblies can be respectively controlled to make different telescopic actions so as to be completely adapted to the operation space near the screwing mechanism.
Specifically, the motion of flexible subassembly still relies on elastic material, and on the one hand, elastic material's elasticity performance needs comparatively well, and on the other hand, elastic material's deformation recovery ability also is better. Specifically, the elastic material may be a thermally induced shape memory polymer material. The thermotropic induction type shape memory polymer material has the characteristics of rubber at a certain temperature, namely the memory temperature, and mainly shows the deformability and the shape recovery of the material, namely the memory performance of the material. At the memory temperature, the material is deformed to the required shape and keeps the shape, the material is cooled to the room temperature to become a hard solid, and once the same shape is required, the same shape body is heated to the memory temperature, and the shape body can return to the original shape and the cycle is repeated. In view of the characteristics of the thermally induced shape memory polymer material, the positioning assembly of any one of the embodiments of the present invention further includes a heating element 302, and the heating elements 302 in different positioning assemblies are independently controlled. The elastic material is heated to a memory temperature by the heating element 302, then the movement of the expansion assembly is controlled, then the elastic material is solidified after cooling, and then the movement control of the expansion assembly is stopped, and the elastic material can still keep the inherent shape.
Further, in order to determine whether the telescopic assembly is in a preset telescopic state, any one of the positioning assemblies further includes a distance sensor 303, and a distance measuring cover 304 matched with the distance sensor is arranged on the telescopic member with the smallest size in the telescopic assembly.
The distance sensor 303 is disposed on a surface of the electromagnet 301 facing the ranging cover 304. The state of the corresponding telescopic assembly can be determined by the feedback data of the distance sensor 303.
Further, since the driving method of the pulling element is preferably a manual method under the condition of a small lot number of operations, the pulling element 4 is configured to be free at both ends.
Optionally, when the electric control mode is adopted, the screw screwing mechanism in the automobile further comprises a driving module. The driving module is used for driving the traction piece to move.
Optionally, the automobile internal screwing mechanism provided by the embodiment of the invention adopts the ratchet wheel screwdriver seat, so that the movement form of the traction piece is various. Specifically, the driving module may be a unidirectional driving module, such as a unidirectional motor; two ends of the traction piece 4 are connected to form a closed loop, and the unidirectional driving module drives the traction piece to move in a unidirectional mode. The driving module can also be a bidirectional driving module; the bidirectional driving module drives the traction piece to do periodic bidirectional reciprocating motion, and the screwing direction is always the preset direction under the action of the ratchet wheel screwdriver seat.
In specific implementation, based on cost consideration, optionally, the traction member is a chain wheel, and the periphery of the ratchet screwdriver seat is provided with chain teeth matched with the chain wheel; the traction piece is matched with the sprocket on the periphery of the ratchet screwdriver seat.
In conclusion, the invention provides the automobile internal screwing mechanism which can perform screwing operation in a space with a small height, so that the implementation mode of screwing the screw in the automobile is realized, and a new design idea is provided for the automobile manufacturing industry.
The screw driving mechanism in the vehicle provided by the embodiment of the invention is described in detail, and the principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be a change in the specific implementation and application scope, and as described above, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. The screw screwing mechanism in the automobile is characterized by comprising a guide membrane, a ratchet screwdriver seat and a traction piece, wherein the guide membrane is a flexible membrane;
a wheel groove and a traction piece groove are formed in the guide membrane, a first opening and a second opening are formed in one end of the guide membrane, and the traction piece groove is communicated with the second opening after winding through the wheel groove from the first opening in the guide membrane;
the ratchet screwdriver seat is matched in the wheel groove, and the ratchet screw only has a rotation freedom degree relative to the wheel groove;
the traction piece is arranged in the traction piece groove, two ends of the traction piece are free, and two ends of the traction piece are led out from the first opening and the second opening respectively;
the traction piece is matched with the periphery of the ratchet screwdriver seat, and the traction piece drives the ratchet screwdriver seat to rotate around the shaft.
2. The screw driving mechanism of claim 1, further comprising a plurality of sets of positioning modules, wherein the plurality of sets of positioning modules are plastically molded on the edge of the guiding film based on an elastic material;
any group of positioning assemblies comprises an electromagnet, a permanent magnet and a telescopic assembly, and the electromagnets in different positioning assemblies are independently controlled;
the telescopic assembly comprises a plurality of telescopic pieces which are sequentially sleeved in a ring based on the size;
in the two adjacent telescopic pieces, the telescopic piece with smaller size is in sliding fit in the telescopic piece with larger size; the telescopic piece with the smaller size can be retracted into the telescopic piece with the larger size, the telescopic piece with the smaller size can extend out relative to the telescopic piece with the larger size along the axis direction, and the telescopic piece with the larger size can limit the telescopic piece with the smaller size;
the electromagnet is arranged in the telescopic piece with the largest size in the telescopic assembly, the permanent magnet is arranged on the telescopic piece with the smallest size in the telescopic assembly, and the electromagnet and the permanent magnet are mutually exclusive when being electrified.
3. The screw driving mechanism as claimed in claim 2, wherein the elastic material is a thermally induced shape memory polymer material;
any set of the positioning assemblies further comprises heating elements, the heating elements in different positioning assemblies being independently controlled.
4. The screw driving mechanism in a vehicle according to claim 2, wherein any one of the positioning assemblies further comprises a distance sensor, and a distance measuring cover matched with the distance sensor is arranged on the telescopic member with the smallest size in the telescopic assemblies;
the distance sensor is arranged on the surface of one side, facing the distance measuring sealing cover, of the electromagnet.
5. The screw driving mechanism in a vehicle according to claim 1, further comprising a driving module;
the driving module is used for driving the traction piece to move.
6. The screw driving mechanism in a vehicle according to claim 5, wherein the driving module is a one-way type driving module;
two ends of the traction piece are connected to form a closed loop, and the unidirectional driving module drives the traction piece to move in a unidirectional mode.
7. The screw driving mechanism of claim 5, wherein the driving module is a bi-directional driving module;
the bidirectional driving module drives the traction piece to do periodic bidirectional reciprocating motion.
8. The screw driving mechanism for automobile according to any one of claims 1 to 7, wherein the pulling member is a sprocket, and the ratchet screwdriver seat is provided at an outer circumference thereof with a sprocket that fits with the sprocket;
the traction piece is matched with the sprocket on the periphery of the ratchet screwdriver seat.
9. The screw driving mechanism for vehicle according to any one of claims 1 to 7, wherein the ratchet screwdriver seat is provided with a screwdriver head or a sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010398441.7A CN111761338B (en) | 2020-05-12 | 2020-05-12 | Screw screwing mechanism in automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010398441.7A CN111761338B (en) | 2020-05-12 | 2020-05-12 | Screw screwing mechanism in automobile |
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| Publication Number | Publication Date |
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| CN111761338A true CN111761338A (en) | 2020-10-13 |
| CN111761338B CN111761338B (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010398441.7A Active CN111761338B (en) | 2020-05-12 | 2020-05-12 | Screw screwing mechanism in automobile |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101116964A (en) * | 2007-08-16 | 2008-02-06 | 中冶宝钢技术服务有限公司 | Universal wrench |
| CN201316968Y (en) * | 2008-12-09 | 2009-09-30 | 鑫爵实业股份有限公司 | Ratchet spanner structure improvement |
| GB201009285D0 (en) * | 2010-05-07 | 2010-07-21 | Barrett Martin | Ratchet bar and sockets |
| CN203109870U (en) * | 2013-03-08 | 2013-08-07 | 毕海龙 | Electric bit head switching device |
| CN104875155A (en) * | 2015-04-28 | 2015-09-02 | 西安电子科技大学 | Returnable fully-compliant spanner used for narrow operation space and method |
| CN105415258A (en) * | 2016-01-06 | 2016-03-23 | 内蒙古长明机械股份有限公司 | Chain driven wrench |
| CN105690305A (en) * | 2014-11-28 | 2016-06-22 | 王光辉 | Spanner with chain |
| CN106392975A (en) * | 2016-06-20 | 2017-02-15 | 中建三局第二建设工程有限责任公司 | Device of fastening bolt in obstructed deep and narrow space |
| CN107520787A (en) * | 2017-09-06 | 2017-12-29 | 罗丽玲 | It is a kind of to be easy to split out in long and narrow space or the manual wrench of tightening nut |
| CN107538414A (en) * | 2017-09-08 | 2018-01-05 | 罗丽玲 | It is a kind of to be easy to split out in long and narrow space or the electric wrench of tightening nut |
| CN108500895A (en) * | 2018-06-21 | 2018-09-07 | 广东梅州烟叶复烤有限公司 | Special tooling is installed for tapered sleeve bearing and tapered sleeve nut |
| CN109333427A (en) * | 2018-12-17 | 2019-02-15 | 中国航发沈阳发动机研究所 | A kind of nut installation method in steel wire drive spanner and small-diameter deep disk chamber |
| CN110744482A (en) * | 2019-11-18 | 2020-02-04 | 山西省工业设备安装集团有限公司 | Narrow space bolt fastening device |
-
2020
- 2020-05-12 CN CN202010398441.7A patent/CN111761338B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101116964A (en) * | 2007-08-16 | 2008-02-06 | 中冶宝钢技术服务有限公司 | Universal wrench |
| CN201316968Y (en) * | 2008-12-09 | 2009-09-30 | 鑫爵实业股份有限公司 | Ratchet spanner structure improvement |
| GB201009285D0 (en) * | 2010-05-07 | 2010-07-21 | Barrett Martin | Ratchet bar and sockets |
| CN203109870U (en) * | 2013-03-08 | 2013-08-07 | 毕海龙 | Electric bit head switching device |
| CN105690305A (en) * | 2014-11-28 | 2016-06-22 | 王光辉 | Spanner with chain |
| CN104875155A (en) * | 2015-04-28 | 2015-09-02 | 西安电子科技大学 | Returnable fully-compliant spanner used for narrow operation space and method |
| CN105415258A (en) * | 2016-01-06 | 2016-03-23 | 内蒙古长明机械股份有限公司 | Chain driven wrench |
| CN106392975A (en) * | 2016-06-20 | 2017-02-15 | 中建三局第二建设工程有限责任公司 | Device of fastening bolt in obstructed deep and narrow space |
| CN107520787A (en) * | 2017-09-06 | 2017-12-29 | 罗丽玲 | It is a kind of to be easy to split out in long and narrow space or the manual wrench of tightening nut |
| CN107538414A (en) * | 2017-09-08 | 2018-01-05 | 罗丽玲 | It is a kind of to be easy to split out in long and narrow space or the electric wrench of tightening nut |
| CN108500895A (en) * | 2018-06-21 | 2018-09-07 | 广东梅州烟叶复烤有限公司 | Special tooling is installed for tapered sleeve bearing and tapered sleeve nut |
| CN109333427A (en) * | 2018-12-17 | 2019-02-15 | 中国航发沈阳发动机研究所 | A kind of nut installation method in steel wire drive spanner and small-diameter deep disk chamber |
| CN110744482A (en) * | 2019-11-18 | 2020-02-04 | 山西省工业设备安装集团有限公司 | Narrow space bolt fastening device |
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| CN111761338B (en) | 2021-12-07 |
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Inventor after: Cheng Weihua Inventor after: Zhang Bin Inventor after: Hou Wensheng Inventor after: Song Zedong Inventor before: Zhang Bin Inventor before: Hou Wensheng Inventor before: Song Zedong |