CN220490369U - Connecting pair fastening shaft force test tool - Google Patents
Connecting pair fastening shaft force test tool Download PDFInfo
- Publication number
- CN220490369U CN220490369U CN202322127574.2U CN202322127574U CN220490369U CN 220490369 U CN220490369 U CN 220490369U CN 202322127574 U CN202322127574 U CN 202322127574U CN 220490369 U CN220490369 U CN 220490369U
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- tool body
- sleeve block
- limiting sleeve
- nut
- fastener body
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000009434 installation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a connecting pair fastening axial force test tool, which relates to the technical field of mechanical detection tools and comprises a tool body, wherein the tool body is vertically through-arranged, sliding grooves are symmetrically formed in two sides of the inner wall of the tool body, and mounting grooves are symmetrically formed in two sides of the middle part of the upper end of the tool body.
Description
Technical Field
The utility model relates to the technical field of mechanical detection tools, in particular to a connecting pair fastening shaft force test tool.
Background
The fastening axial force is an important index for representing the fastening performance of the torsional shear type high-strength bolt connection pair. The tightening axial force of the torsional high-strength bolt connection pair is realized by applying torque to the nut and simultaneously fixing the end part of the screw rod with the plum blossom head until the end part of the plum blossom head is twisted off.
The patent with the Chinese patent application number 201711425598.9 discloses a torsional shear type high-strength bolt connection pair fastening axial force detection device, which relates to a mechanical detection device. The cylinder type pressure sensor is coaxially sleeved outside the stress cylinder, one end of the stress cylinder is tightly contacted with the circular ring sealing plate with the center hole, and the other end of the stress cylinder is contacted with the bearing cushion block. The center of the bearing cushion block is provided with a round hole which is matched with the round hole in the center of the sealing plate. The screw rod passes through the center open pore upper sealing plate, the bearing cushion block and the hexagonal hole in sequence. The six-edge hole is tightly matched with the nut of the bolt, and the nut fixer is connected with the torsion testing machine. The plum blossom head fixer is fixed on the base and is tightly matched with the bolt plum blossom head. The pressure sensor indicator is connected with the cylinder type pressure sensor through a wire. The detection device is reasonable in structural design and simple to use, and can be suitable for testing fastening axial force of torsion-shear type high-strength bolt connection pairs with different sizes and lengths.
Firstly, because the device is fixed and tests the bolt, the fixing plate at the top end of the device is used for fixing the nut, and when the testing operation is carried out, the fastener and the nut are driven along with the rotation of the top end to be further connected in a reinforcing way, wherein the nut fixing plate and the nut fixer are only vertically inserted and connected, so that the whole testing device and the nut fixer are driven to fall off easily in the testing process, the nut fixer cannot achieve a good fixing effect, the connecting bolt head at the bottom end is in a closed state, the nut cannot be disassembled when different fasteners are tested, the next fastener cannot be tested rapidly, and the testing efficiency of the device is seriously affected.
Disclosure of Invention
The utility model provides a connecting pair fastening axial force test fixture, which aims to solve the problems that the prior device provided in the background art is inconvenient to replace fasteners and is not stable in fixation when testing different fasteners, so that the testing efficiency of the device is affected.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a connection pair fastening axial force test fixture, comprising:
the tool body is arranged in a vertically penetrating manner, and sliding grooves are symmetrically formed in two sides of the inner wall of the tool body;
the two sides of the middle part of the upper end of the tool body are symmetrically provided with mounting grooves;
the middle part of the upper end of the tool body is symmetrically provided with sockets which are correspondingly and through-connected with the mounting groove;
the upper end of the tool body is inserted and connected with an upper connecting plate at a position corresponding to the matched socket;
the two sides of the upper connecting plate are provided with through holes corresponding to the matched sockets;
the two groups of the inserting blocks are connected with the inserting blocks in the mounting grooves in a sliding mode, and the inserting blocks penetrate through the through holes and are inserted into the inserting holes.
Preferably, the sliding groove of the inner wall of the tool body is slidably connected with a limiting sleeve block, a notch is formed in the middle of the upper end of the limiting sleeve block, the bottom end of the limiting sleeve block is hollow, and the upper end and the lower end of the limiting sleeve block are communicated.
Preferably, the bottom end of the limiting sleeve block is inserted and connected with a fastener body, and the upper end of the fastener body penetrates through the limiting sleeve block.
Preferably, the middle part of the upper end of the upper connecting plate is provided with a nut groove, a correspondingly matched nut is inserted in the nut groove, a gasket is arranged at the joint of the lower end of the nut and the limiting sleeve block, and the nut is internally connected with a thread arranged on the upper part of the fastener body.
Preferably, the top end of the fastener body is provided with a plum blossom head, the top end of the fastener body is inserted and connected with an adjusting piece, and a connecting groove is formed in the middle of the bottom end of the adjusting piece, corresponding to the plum blossom head at the top end of the fastener body.
Compared with the prior art, the utility model has the following beneficial effects:
1. when carrying out the location connection to the fastener body, through inserting the upper connecting plate and establish in frock body upper end department, then respectively through the anti-skidding line in the slip inserted block outside, run through the through-hole with the inserted block bottom and insert and establish in corresponding socket, accomplish the fixed spacing to the upper connecting plate, avoid the device when carrying out test operation, can drive the upper connecting plate and produce the deflection, can effectively ensure the stability of device when to the fastener body test.
2. The pressure sensor is arranged in abutting contact with the sliding grooves in the tool body through the two sides of the limiting sleeve block, so that when the fastener body is installed and tested, the fastener body is driven to be connected with the threads of the nut through the rotation adjusting piece, when the torque is applied to the device, acting force of the device can drive the two sides of the limiting sleeve block to be transferred to the sensor, and accurate transmission of the pressure value is achieved.
Drawings
FIG. 1 is a schematic view of a cross-section of the present utility model;
FIG. 2 is a schematic diagram of a test state according to the present utility model;
FIG. 3 is an exploded view of the structure of the present utility model;
fig. 4 is a schematic cross-sectional view of the main body of the present utility model.
In the figure: 1. a tool body; 110. a mounting groove; 111. a socket; 2. a stop collar block; 3. a fastener body; 4. an upper connecting plate; 410. a through hole; 411. a nut groove; 5. inserting blocks; 6. an adjusting member; 610. and a connecting groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1-4, the present utility model provides a connection pair fastening shaft force test tool, including:
the tool comprises a tool body 1, wherein the tool body 1 is arranged in a vertically penetrating manner, and sliding grooves are symmetrically formed in two sides of the inner wall of the tool body 1;
the mounting grooves 110 are symmetrically formed in two sides of the middle part of the upper end of the tool body 1;
the middle part of the upper end of the tool body 1 is symmetrically provided with the sockets 111, and the sockets 111 are correspondingly and communicated with the mounting groove 110;
the upper connecting plate 4 is inserted and connected at the position of the upper end of the tool body 1 corresponding to the matching socket 111;
the through holes 410 are formed in the two sides of the upper connecting plate 4 corresponding to the matched sockets 111;
the insert 5 is slidably connected to the insert 5 in each of the two sets of mounting grooves 110, and the insert 5 is inserted into the socket 111 through the through hole 410.
Nuts with corresponding specifications are placed and installed at the nut slots 411 in the middle of the upper connecting plate 4, then two sides are inserted and clamped at the corresponding positions of the upper end of the tool body 1, and then the insert 5 is pushed inwards under the sliding connection of the insert 5 and the installation groove 110, so that the insert 5 penetrates through the through hole 410 and is inserted at the corresponding positions of the insertion holes 111, and the stability of the device during testing is guaranteed.
Embodiment two:
as shown in fig. 1-4, the utility model provides a connecting pair fastening shaft force test fixture:
the sliding groove on the inner wall of the tool body 1 is slidably connected with a limiting sleeve block 2, a notch is formed in the middle of the upper end of the limiting sleeve block 2, the bottom end of the limiting sleeve block 2 is hollow, and the upper end and the lower end of the limiting sleeve block 2 are communicated;
the bottom end of the limiting sleeve block 2 is inserted and connected with a fastener body 3, and the upper end of the fastener body 3 penetrates through the limiting sleeve block 2;
the middle part of the upper end of the upper connecting plate 4 is provided with a nut slot 411, a correspondingly matched nut is inserted in the nut slot 411, a gasket is arranged at the joint of the lower end of the nut and the limiting sleeve block 2, and the internal thread of the nut is connected with the thread arranged at the upper part of the fastener body 3;
the top of the fastener body 3 is provided with a plum blossom head, the top of the fastener body 3 is inserted and connected with an adjusting piece 6, and a connecting groove 610 is formed in the middle of the bottom end of the adjusting piece 6 corresponding to the plum blossom head at the top of the fastener body 3.
The fastener body 3 is inserted into the hole through the bottom end of the limit sleeve block 2, penetrates through the hole at the upper end of the limit sleeve block 2, is correspondingly in threaded connection with the nut at the threaded position at the upper part of the fastener body 3, then the adjusting piece 6 is correspondingly inserted into the limit connection with the top end of the fastener body 3 from the connecting groove 610, and rotates through the two sides of the adjusting piece 6 to drive the fastener body 3 to carry out testing.
Functional principle:
the nut with corresponding specification is placed and installed at the position of the nut slot 411, then two sides are inserted and clamped at the corresponding position of the upper end of the tool body 1, then the insert 5 is pushed inwards under the sliding connection of the insert 5 and the installation slot 110, the insert 5 penetrates through the through hole 410 and is inserted at the corresponding position of the insertion hole 111, then the fastener body 3 is inserted and installed to penetrate through the middle of the upper end of the limit sleeve block 2, the fastener body 3 is connected with the nut in a threaded mode, preliminary fixation of the nut is achieved through rotation of the fastener body 3, the connecting slot 610 is inserted and installed corresponding to the top end of the fastener body 3, torque adjustment is conducted on the fastener body 3 through two sides of the adjusting piece 6, acting force is transmitted to the position of the inner sliding groove of the tool body 1 through two sides of the upper end of the limit sleeve block 2 during torque adjustment operation, and the acting force is accurately recorded through a sensor.
Numerous variations, changes, substitutions and alterations are possible to those embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.
Claims (5)
1. Connect vice fastening axle power test fixture, its characterized in that includes:
the tool comprises a tool body (1), wherein the tool body (1) is arranged in a vertically penetrating manner, and sliding grooves are symmetrically formed in two sides of the inner wall of the tool body (1);
the mounting groove (110) is symmetrically formed in the two sides of the middle of the upper end of the tool body (1);
the middle part of the upper end of the tool body (1) is symmetrically provided with the sockets (111), and the sockets (111) are correspondingly and communicated with the mounting groove (110);
the upper connecting plate (4) is inserted and connected at the position, corresponding to the matching socket (111), of the upper end of the tool body (1);
the two sides of the upper connecting plate (4) are provided with through holes (410) corresponding to the matched sockets (111);
the two groups of the installation grooves (110) are respectively connected with the plug blocks (5) in a sliding manner, and the plug blocks (5) are respectively inserted into the sockets (111) through the through holes (410).
2. The connection pair fastening axial force test fixture according to claim 1, wherein: the tool comprises a tool body (1), wherein a limiting sleeve block (2) is slidably connected to the sliding groove of the inner wall of the tool body, a notch is formed in the middle of the upper end of the limiting sleeve block (2), the bottom end of the limiting sleeve block (2) is hollow, and the upper end and the lower end of the limiting sleeve block (2) are communicated.
3. The connection pair fastening axial force test fixture according to claim 2, wherein: the bottom end of the limiting sleeve block (2) is inserted and connected with a fastener body (3), and the upper end of the fastener body (3) penetrates through the limiting sleeve block (2).
4. The connection pair fastening axial force test fixture according to claim 1, wherein: the middle part of the upper end of the upper connecting plate (4) is provided with a nut groove (411), a correspondingly matched nut is inserted in the nut groove (411), a gasket is arranged at the joint of the lower end of the nut and the limiting sleeve block (2), and the nut is internally connected with a thread arranged on the upper part of the fastener body (3).
5. The connection pair fastening axial force test fixture according to claim 4, wherein: the novel connecting device is characterized in that the top end of the fastener body (3) is provided with a plum blossom head, the top end of the fastener body (3) is inserted and connected with an adjusting piece (6), and a connecting groove (610) is formed in the middle of the bottom end of the adjusting piece (6) corresponding to the plum blossom head at the top end of the fastener body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322127574.2U CN220490369U (en) | 2023-08-09 | 2023-08-09 | Connecting pair fastening shaft force test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322127574.2U CN220490369U (en) | 2023-08-09 | 2023-08-09 | Connecting pair fastening shaft force test tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220490369U true CN220490369U (en) | 2024-02-13 |
Family
ID=89836722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322127574.2U Active CN220490369U (en) | 2023-08-09 | 2023-08-09 | Connecting pair fastening shaft force test tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220490369U (en) |
-
2023
- 2023-08-09 CN CN202322127574.2U patent/CN220490369U/en active Active
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