CN109115385B - Torsion detection fixing device - Google Patents

Torsion detection fixing device Download PDF

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Publication number
CN109115385B
CN109115385B CN201810925217.1A CN201810925217A CN109115385B CN 109115385 B CN109115385 B CN 109115385B CN 201810925217 A CN201810925217 A CN 201810925217A CN 109115385 B CN109115385 B CN 109115385B
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China
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piece
movable positioning
torsion
clamping
fixing device
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CN201810925217.1A
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CN109115385A (en
Inventor
郑智迅
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Oppo Chongqing Intelligent Technology Co Ltd
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Oppo Chongqing Intelligent Technology Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0028Force sensors associated with force applying means
    • G01L5/0042Force sensors associated with force applying means applying a torque

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The application relates to a torsion detection fixing device, which is suitable for being matched with a torsion tester to carry out torsion detection. The torsion detection fixing device comprises a base, a pillar and a clamping jaw. The base comprises a bearing piece, a first movable positioning piece and a second movable positioning piece, the first movable positioning piece and the second movable positioning piece are arranged on the bearing piece at intervals, and a containing space used for containing the torque tester is formed between the first movable positioning piece and the second movable positioning piece. The support is fixed on the bearing piece. The jaws are slidably connected to the post. The torsion detection fixing device is simple in structure and convenient to use. In the process of torsion detection, the torsion tester and the element to be detected are jointly fixed through the mechanism piece, so that the shaking error and interference caused by manual operation can be eliminated, and the torsion tester has high detection precision and high efficiency.

Description

Torsion detection fixing device
Technical Field
The present application relates to the field of torque power tool detection technologies, and in particular, to a torque detection fixing device for fixing a torque tester and a torque power tool.
Background
In the prior art, a manually operated torque tester is mostly adopted for measuring the torque of a torque electric tool (such as a torque screwdriver), and the torque detection work has low precision and large error due to the existence of jitter error. Meanwhile, the manual operation is used for detection, the operation is complex and difficult, the efficiency is low, and the accuracy of the measurement result is difficult to ensure.
Disclosure of Invention
In view of the above, the present application provides a torsion detecting and fixing device as an auxiliary detecting device of a torsion tester, so as to solve the above technical problem.
The embodiment of the application provides a torsion detects fixing device is suitable for cooperation torsion tester to carry out torsion detection. The torsion detection fixing device comprises a base, a pillar and a clamping jaw. The base comprises a bearing piece, a first movable positioning piece and a second movable positioning piece, the first movable positioning piece and the second movable positioning piece are arranged on the bearing piece at intervals, and a containing space used for containing the torque tester is formed between the first movable positioning piece and the second movable positioning piece. The support is fixed on the bearing piece. The jaws are slidably connected to the post.
In some embodiments, the clamping jaw includes an installation member, a first clamping member and a second clamping member, the installation member is slidably connected to the pillar, the first clamping member and the second clamping member are both connected to the installation member, and the first clamping member and the second clamping member are disposed opposite to each other.
In some embodiments, the clamping jaw further includes a guide rail, a limiting member, and a clamping bolt, the guide rail and the limiting member are respectively connected to the mounting member, and the first clamping member is slidably connected to the guide rail; the clamping bolt penetrates through and is screwed in the limiting part and abuts against the first clamping part.
In some embodiments, the torsion detecting and fixing device further includes a stopper disposed at an end of the pillar away from the base, and a first elastic member disposed between the stopper and the mounting member.
In some embodiments, the torsion detecting and fixing device further includes a second elastic member disposed between the base and the mounting member.
In some embodiments, the base further includes a first fixing member and a second fixing member, and the first fixing member and the second fixing member are disposed in parallel along the first direction and spaced from each other on the supporting member; the first movable positioning piece and the second movable positioning piece are arranged in parallel at intervals along a second direction, and the second direction is perpendicular to the first direction.
In some embodiments, the first fixing member is provided with a first abutting member, and the first abutting member movably penetrates through the first fixing member; the second fixing piece is provided with a second abutting piece, and the second abutting piece movably penetrates through the second fixing piece.
In some embodiments, the base further includes a first adjusting bolt and a second adjusting bolt, the first movable positioning element is provided with a first adjusting hole, the first adjusting bolt penetrates through the first adjusting hole and is connected with the bearing element, the second movable positioning element is provided with a second adjusting hole, and the second adjusting bolt penetrates through the second adjusting hole and is connected with the bearing element.
In some embodiments, the first movable positioning element includes a connecting portion and a positioning portion, the connecting portion is stacked on the bearing element, the first adjusting hole is formed in the connecting portion, and the length direction of the first adjusting hole extends along the second direction; the positioning part is connected to the connecting part.
In some embodiments, the second movable positioning element includes a connecting portion and a positioning portion, the connecting portion is stacked on the bearing element, the second adjusting hole is formed in the connecting portion, and the length direction of the second adjusting hole extends along the second direction; the positioning part is connected to the connecting part.
In some embodiments, the base further includes a first armrest and a second armrest, the first armrest is connected to the first movable positioning member, and the second armrest is connected to the second movable positioning member.
In the torsion detection fixing device provided by the embodiment of the application, the base is used for fixing the torsion tester, the clamping jaw is used for fixedly holding the element to be detected (such as an electric tool like a torque screwdriver), and the torsion detection fixing device is simple in structure and convenient to use. In the process of detecting the torsion, the torsion tester and the element to be detected are jointly fixed through the mechanism piece, so that the shaking error and interference caused by manual operation can be eliminated, and the detection precision of the torsion tester is higher. Meanwhile, the clamping jaw is movably connected to the supporting column, a user can press the element to be detected towards the torque tester by means of the clamping jaw, and quick and stable loading can be achieved, so that the torque detection process is more convenient and easier to operate, and the detection efficiency is improved.
Drawings
In order to more clearly illustrate the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic perspective view of a torsion detecting and fixing device provided in an embodiment of the present application;
fig. 2 is a schematic view of the torsion detecting and fixing device shown in fig. 1 in a using state.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, a first embodiment of the present invention provides a torsion testing fixture 100, which is used as an auxiliary testing device of a torsion tester to fix a torsion tester 200 (see fig. 2) and a device 300 (see fig. 2) to be tested during a torsion testing process, so as to reduce errors of the device during the torsion testing process. The element to be detected is a torque electric tool (such as a torque screwdriver) and the torque tester is used for detecting the torque of the torque electric tool.
The torsion detecting and fixing device 100 includes a base 10 and a fixing frame 30, the base 30 is used for fixing the torsion tester 200, and the fixing frame 30 is fixed on the base 10 and is used for mounting the element 300 to be detected.
The base 10 includes a carrier 12, a first fixing assembly 14 and a second fixing assembly 16, wherein the first fixing assembly 14 and the second fixing assembly 16 are disposed on the carrier 12.
In the present embodiment, the carrier 12 is substantially plate-shaped and is used for carrying the torsion tester 200.
The first fixing assembly 14 is disposed on the carrier 12 along a first direction, and is used for limiting the freedom of movement of the torsion tester 200 in the first direction. In the present embodiment, the first fixing assembly 14 includes a first fixing member 141, a first abutting member 143, a second fixing member 145, and a second abutting member 147.
The first fixing element 141 is fixed to the carrier 12, and the first abutting element 143 is movably disposed through the first fixing element 141 along the first direction. The second fixing element 141 and the first fixing element 141 are oppositely arranged at an interval, the second fixing element 143 and the first fixing element 141 are arranged in parallel along the first direction, and an accommodating space formed between the second fixing element 143 and the first fixing element 141 is used for accommodating the torque tester 200. The second abutting member 147 is movably disposed through the second fixing member 145 along the first direction. The second abutting piece 147 and the first abutting piece 143 are used for clamping the torsion tester 200 together, and by adjusting the installation position of the first abutting piece 143 relative to the first fixing piece 141 or/and the installation position of the second abutting piece 147 relative to the second fixing piece 145, the relative distance between the second abutting piece 147 and the first abutting piece 143 can be changed, so that the torsion tester 200 is clamped or released. In some embodiments, the second and first abutment members 147, 143 may be screws, bolts, or pins.
The second fixing assembly 16 is disposed on the carrier in a second direction for defining a freedom of movement of the torsion tester 200 in the second direction, wherein the second direction is substantially perpendicular to the first direction in the present embodiment. In this embodiment, the second fixed assembly 16 includes a first movable positioning member 161, a first adjustment member 163, a second movable positioning member 165, and a second adjustment member 167. The first movable positioning element 161 is connected to the carrier 12, and the first adjusting element 163 is disposed through the first movable positioning element 161 and connected to the carrier 12; the second movable positioning element 161 is connected to the carrier 12 and disposed opposite to the first movable positioning element 161 at an interval, and the second adjusting element 167 is disposed through the second movable positioning element 165 and connected to the carrier 12.
The first movable positioning member 161 is disposed at one end of the carrier 12. In the present embodiment, the first movable spacer 161 includes a connecting portion 1611 and a positioning portion 1613. The connecting portion 1611 is substantially plate-shaped, and the connecting portion 1611 is substantially stacked on the carrier 12. The connecting portion 1611 is provided with a first adjusting hole 1612, and the first adjusting hole 1612 penetrates through the connecting portion 1611. The first adjustment hole 1612 is for cooperating with the first adjustment member 163 to adjust the mounting position of the first movable positioning member 161 relative to the carrier 12. In the present embodiment, the first adjustment hole 1612 is substantially a long hole, and the longitudinal direction of the first adjustment hole 1612 extends in the second direction. The positioning portion 1613 is substantially plate-shaped, and the positioning portion 1613 is connected to one side of the connecting portion 1611 and is substantially perpendicular to the carrier 12. The first adjusting member 163 is inserted into the first adjusting hole 1612 and connected to the carrier 12, and the mounting position of the first movable positioning member 161 relative to the carrier 12 can be adjusted by adjusting the relative position of the first adjusting member 163 and the connecting portion 1611.
The second movable positioning element 165 is disposed at an end of the carrier 12 away from the first movable positioning element 161, and the second movable positioning element 165 and the first movable positioning element 161 are disposed in parallel at an interval along the second direction. In the present embodiment, the structure of the second movable stopper 165 is substantially the same as that of the first movable stopper 161, and the second movable stopper 165 similarly includes a connecting portion 1651 and a positioning portion 1653. The connecting portion 1651 has a substantially plate shape, and the connecting portion 1651 substantially overlaps the carrier 12. The connecting portion 1651 is provided with a second adjusting hole 1652, and the second adjusting hole 1652 penetrates through the connecting portion 1651. The second adjustment aperture 1652 is for cooperating with the second adjustment member 167 to adjust the mounting position of the second movable positioning member 165 relative to the carrier 12. In the present embodiment, the second regulation hole 1652 is substantially an elongated hole, and the length direction of the second regulation hole 1652 extends in the second direction. The positioning portion 1653 is substantially plate-shaped, and the positioning portion 1653 is connected to one side of the connecting portion 1651 and substantially perpendicular to the carrier 12. The positioning portion 1653 of the second movable positioning element 165 is disposed opposite to the positioning portion 1613 of the first movable positioning element 161, and a receiving space formed between the positioning portion 1653 and the positioning portion 1613 is used for receiving the torsion tester 200.
The second adjusting member 167 is disposed through the second adjusting hole 1652 and connected to the carrier 12, and the mounting position of the second movable positioning member 165 relative to the carrier 12 can be adjusted by adjusting the relative position of the second adjusting member 167 and the connecting portion 1651, so as to adjust the distance between the positioning portion 1653 of the second movable positioning member 165 and the positioning portion 1613 of the first movable positioning member 161, and enable the second fixing assembly 16 to clamp or release the torsion tester 200.
Further, in the present embodiment, the second fixing assembly 16 further includes a first arm rest 168 and a second arm rest 169, the first arm rest 168 is connected to the connecting portion 1611 of the first movable positioning member 161, and the second arm rest 169 is connected to the connecting portion 1651 of the second movable positioning member 165. The first arm rest 168 and the second arm rest 169 are used to provide a gripping area for a user to move and adjust the positions of the first movable positioning member 161 and the second movable positioning member 165 relative to the carrier 12.
The securing bracket 30 is disposed adjacent the second securing member 145 of the first securing assembly 14. In this embodiment, the mount 30 includes a post assembly 32 and a jaw 34. A strut assembly 32 is secured to carrier 12 and a jaw is connected to strut assembly 32.
The strut assembly 32 includes a strut 321 and a stop 323. The strut 321 is connected to the carrier 12 and is generally perpendicular to the carrier 12. The support 321 is used to mount the jaw 34. In the present embodiment, the number of the support posts 321 is two, two support posts 321 are connected to the carrier 12 substantially perpendicularly, and the two support posts 321 are substantially parallel to each other. The stopper 323 is disposed at an end of the pillar 321 away from the carrier 12, and two ends of the stopper 323 are respectively connected to the two pillars 321.
Further, in the present embodiment, in order to facilitate adjustment of the distance between the clamping jaw 34 and the carrier 12, the pillar 32 further includes a first elastic member 325 and a second elastic member 327. The first elastic member 325 is disposed between the stopper 323 and the jaw 34. In the present embodiment, the first elastic member 325 is a coil spring, which is sleeved on the pillar 321 and is used for providing a corresponding restoring force for the movement of the clamping jaw 34 relative to the pillar 321 (e.g., when the clamping jaw 34 moves towards the carrier 12, the first elastic member 325 provides a restoring elastic force away from the carrier 12). It is understood that in other embodiments, the first elastic member 325 may be an elastic sleeve, an air spring, or the like. The second elastic member 327 is disposed between the clamping jaw 34 and the carrier 12. In this embodiment, the second elastic member 327 is a coil spring, which is sleeved on the pillar 321 and is used to provide a corresponding restoring force for the movement of the clamping jaw 34 relative to the pillar 321 (e.g., when the clamping jaw 34 moves towards the carrier 12, the second elastic member 327 provides a restoring elastic force away from the carrier 12). It is understood that in other embodiments, the second elastic member 327 may be an elastic sleeve, an air spring, or the like.
The clamping jaw 34 is movably connected to a support 321 for holding the element 300 to be detected. The clamping jaw 34 comprises an attachment member 341 and a clamping member 343. In the present embodiment, the holder 343 is substantially block-shaped and is movably provided on the support 321. The clamping member 343 includes a first clamping member 3431 and a second clamping member 3433, and the first clamping member 3431 and the second clamping member 3433 are movably connected to the installation member 341. First clamping member 3431 and second clamping member 3433 are disposed substantially opposite to each other, and by changing the distance between first clamping member 3431 and second clamping member 3433, clamping member 343 can clamp or release element 300 to be detected.
Further, a concave surface 3432 is provided on a side of the first holding member 3431 facing the second holding member 3433, and the concave surface 3432 forms a concave space for clamping the element 300 to be detected in cooperation with the second holding member 3433. In the present embodiment, the concave surface 3432 is substantially a partial cylindrical surface to fit to the cylindrical outer peripheral wall of the element 300 to be detected. The side of the second clamping member 3433 facing the first clamping member 3431 is provided with a concave surface 3434, the concave surface 3434 is opposite to the concave surface 3432 and forms a concave space, and the concave surface 3434 is used for cooperating with the concave surface 3433 to clamp the element 300 to be detected. In this embodiment, the concave surface 3434 is substantially a partial cylindrical surface to conform to the cylindrical outer peripheral wall of the element 300 to be detected.
Further, in the present embodiment, the first clamping member 3431 and the second clamping member 3433 realize the sliding connection with the installation member 341 through the rail structure. Specifically, the clamping jaw 34 further includes a guide rail 345, a limiting member 347 and a clamping bolt 349, the guide rail 345 is fixed to the mounting member 341, and the first clamping member 3431 and the second clamping member 3433 are slidably engaged with the guide rail. The limiting member 347 is fixedly connected to the mounting member 341, the clamping bolt 347 is inserted through and screwed into the limiting member 347, and one end of the clamping bolt 347 abuts against the first clamping member 3431, and by adjusting the screwing depth of the clamping bolt 347 relative to the limiting member 347, the first clamping member 3431 can be relatively far away from or close to the second clamping member 3431, so that the clamping member 343 clamps or releases the element 300 to be detected.
Referring to fig. 2, when the torsion detecting fixing apparatus 100 of the embodiment of the present application is used, the torsion tester 200 is first placed in the accommodating space formed by the first fixing element 14 and the second fixing element 16, and the first fixing element 14 and the second fixing element 16 fix the torsion tester 200 together by adjusting the first abutting element 143, the second abutting element 147, the first movable positioning element 161, and the second movable positioning element 165. Next, the component 300 to be detected is disposed between the first clamping member 3431 and the second clamping member 3433, the component 300 to be detected is aligned with the detecting portion 201 of the torque tester 200, and the first clamping member 3431 and the second clamping member 3433 are relatively close to each other by adjusting the clamping bolt 349 to jointly hold the component 300 to be detected. Then, the component 300 to be detected is operated, and the component 300 to be detected drives the clamping jaw 34 to move towards the torque tester 200 until the torque portion 301 (such as a torque screwdriver bit) of the component 300 to be detected is matched with the detection portion 201. Finally, the torsion tester 200 is started to perform torsion detection on the to-be-detected element 300, after the detection is completed, the to-be-detected element 300 is operated, and the to-be-detected element 300 drives the clamping jaw 34 to return to the initial position under the assistance of the first elastic piece 325 and the second elastic piece 327.
In the torsion detecting and fixing device 100, the torsion tester 200 is fixed by the base 10, and the element 300 to be detected is fixed by the clamping jaw 34, so that the fixing structure is simple and the use is convenient. In the process of detecting the torsion, the torsion tester 200 and the element 300 to be detected are jointly fixed through the mechanism piece, so that the shaking error and interference caused by manual operation can be eliminated, and the detection precision of the torsion tester is higher. Meanwhile, the clamping jaw 34 is movably connected to the pillar, and the element 300 to be detected is held by the clamping jaw 34 to move and press towards the torque tester 200, so that quick and stable loading can be realized, the torque detection process is more convenient and easier to operate, and the detection efficiency is improved.
It is understood that in other embodiments, the clamp member 343 may be configured other than the clamp block configuration described above, for example, may be a three-jaw configuration, a five-jaw configuration, or may be a resilient retention configuration, etc.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are simply used for convenience of description of the present application, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
In this application, the terms "mounted," "connected," "secured," and the like are to be construed broadly unless otherwise specifically stated or limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through the inside of two members or they may be merely surface-contacting. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (7)

1. The utility model provides a torsion detects fixing device, is suitable for cooperation torque tester to carry out torsion detection to the torque screwdriver, its characterized in that, torsion detects fixing device includes:
a base; the base comprises a bearing part, two movable positioning parts and two fixing parts, the two movable positioning parts comprise a first movable positioning part and a second movable positioning part, the two fixing parts are arranged on the bearing part at intervals along a first direction, the two movable positioning parts are arranged on the bearing part at intervals along a second direction, and an accommodating space for accommodating the torque tester is formed between the two movable positioning parts; each movable positioning piece comprises a plate-shaped connecting part and a plate-shaped positioning part, the connecting part is overlapped on the bearing piece, and the positioning part is connected to one side edge of the connecting part and is perpendicular to the bearing piece; the positioning parts of the two movable positioning parts are arranged at intervals relatively to each other so as to form surface contact on two sides of the torque tester; each fixing piece is provided with a propping piece, the propping pieces can movably penetrate through the corresponding fixing piece, protrude relative to the corresponding fixing piece and are contained in the containing space, and each propping piece is columnar so as to form point contact on the other two sides of the torque tester;
a strut fixed to the carrier; and
a clamping jaw slidably connected to the support column for clamping the torque screwdriver and moved by the torque screwdriver towards the base; the clamping jaw comprises an installation piece, a first clamping piece, a second clamping piece, a guide rail, a limiting piece and a clamping bolt, wherein the installation piece is connected to the pillar in a sliding manner, the guide rail and the limiting piece are respectively connected to the installation piece, the first clamping piece is connected to the guide rail in a sliding manner, the second clamping piece is connected to the installation piece, and the first clamping piece and the second clamping piece are arranged oppositely; the clamping bolt penetrates through and is screwed in the limiting piece and abuts against the first clamping piece; and
the reset elastic piece is arranged between the clamping jaw and the base and provides force deviating from the base for the clamping jaw when the clamping jaw moves towards the base.
2. The torsion detection fixing device according to claim 1, further comprising a stopper disposed at an end of the pillar away from the base, and an elastic member disposed between the stopper and the mounting member.
3. The torsion detection fixture as in any one of claims 1 to 2, wherein the second direction is perpendicular to the first direction.
4. The torsion detection fixture of claim 1, wherein the abutment member is a screw, a bolt, or a pin.
5. The torsion detecting and fixing device according to claim 1, wherein the base further includes a first adjusting bolt and a second adjusting bolt, each of the movable positioning members has an adjusting hole, the first adjusting bolt is inserted into the adjusting hole of one of the movable positioning members and connected to the supporting member, and the second adjusting bolt is inserted into the adjusting hole of the other movable positioning member and connected to the supporting member.
6. The torsion detecting fixing device according to claim 5, wherein the adjusting hole is opened in the connecting portion, and a length direction of the adjusting hole extends along the second direction.
7. The torsion detecting fixing device according to claim 1, wherein the base further comprises a first armrest and a second armrest, the first armrest is connected to the first movable positioning member, and the second armrest is connected to the second movable positioning member.
CN201810925217.1A 2018-08-14 2018-08-14 Torsion detection fixing device Active CN109115385B (en)

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Application Number Priority Date Filing Date Title
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CN109115385B true CN109115385B (en) 2020-12-08

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CN110696888A (en) * 2019-09-25 2020-01-17 天利航空科技深圳有限公司 Trailer and test platform

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JP2002310868A (en) * 2001-04-13 2002-10-23 Toyo Seiki Seisakusho:Kk Wire chucking device in wire torsion tester
CN203422186U (en) * 2013-07-26 2014-02-05 太仓中博铁路紧固件有限公司 Bolt torque detection apparatus
CN205506552U (en) * 2016-03-16 2016-08-24 深圳市赋兴光电有限公司 Torque force testing device of torque force testing tool and applied this torque force testing tool
CN105973513A (en) * 2016-07-06 2016-09-28 安徽宏锦包装设备有限公司 Torquemeter clamping sample measuring apparatus
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