CN210533263U - Bolt straightness detection device - Google Patents
Bolt straightness detection device Download PDFInfo
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- CN210533263U CN210533263U CN201921712482.8U CN201921712482U CN210533263U CN 210533263 U CN210533263 U CN 210533263U CN 201921712482 U CN201921712482 U CN 201921712482U CN 210533263 U CN210533263 U CN 210533263U
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- 238000013459 approach Methods 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a bolt straightness detection device, which comprises a box body; the motor is arranged on the inner side of the box body, and a power output shaft of the motor penetrates through the top surface of the box body to be upward; the bolt fixing seat is connected with the free end of the power output shaft of the motor, and the rotation center of the bolt fixing seat is superposed with the rotation center of the motor; the left clamping assembly is provided with a left pressure sensor, is positioned above the bolt fixing seat and is connected with the box body; the right clamping assembly is provided with a right pressure sensor and is arranged on the box body in a sliding mode and opposite to the left clamping assembly, and the right clamping assembly is matched with the left clamping assembly to wrap the bolt; and the PLC is connected with the motor, the left pressure sensor and the right pressure sensor. The utility model provides a bolt straightness accuracy detection device can detect the bolt fast, and easy operation adapts to large batch detection demand.
Description
Technical Field
The utility model relates to a bolt fastener technical field especially relates to a bolt straightness accuracy detection device.
Background
Along with the development of high-speed, heavy-load and subway railways in China, steel rail fasteners play more and more important roles on the railways developed at high speed, bolt products occupy a large proportion in the fasteners, and the failure of the bolts means the failure of the whole fasteners, so that great potential safety hazards are generated in train running. The straightness of the bolt is one of important parameters, and is related to whether the subsequent processes can be normally carried out. At present, the problem of labor intensity during large difficulty and large batch detection exists when the existing bolt straightness detection device is adopted for detection due to the fact that the size of the whole bolt for rail mounting is large, and urgent need to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome the problem that prior art exists, provide a bolt straightness accuracy detection device, can detect the bolt fast, easy operation adapts to large batch detection demand.
The utility model adopts the technical proposal that:
the bolt straightness detection device comprises
A box body;
the motor is arranged on the inner side of the box body, and a power output shaft of the motor penetrates through the top surface of the box body to be upward;
the bolt fixing seat is connected with the free end of the power output shaft of the motor, and the rotation center of the bolt fixing seat is superposed with the rotation center of the motor;
the left clamping assembly is provided with a left pressure sensor, is positioned above the bolt fixing seat and is connected with the box body;
the right clamping assembly is provided with a right pressure sensor and is arranged on the box body in a sliding mode and opposite to the left clamping assembly, and the right clamping assembly is matched with the left clamping assembly to wrap the bolt;
and the PLC is connected with the motor, the left pressure sensor and the right pressure sensor.
Further, still include the cylinder, the cylinder with right centre gripping subassembly is connected, and install on the box.
Furthermore, a cavity for accommodating the head of the bolt and a sliding groove for moving out the bolt are formed in the center of the surface of the bolt fixing seat, and the cavity is communicated with the sliding groove.
Furthermore, a supporting disc is installed at the free end of a power output shaft of the motor, and the bolt fixing seat is installed on the supporting disc.
Further, the left clamping assembly comprises
The sliding rail is radially arranged on the top surface of the box body along the bolt fixing seat;
the sliding base is assembled and connected with the sliding rail and can move repeatedly;
the connecting piece is rectangular and is connected with the sliding base far away from the lower part of the bolt fixing seat;
the mounting direction of the left supporting plate is perpendicular to the surfaces of the connecting piece and the bolt fixing seat, and the vertical middle part of one surface of the left supporting plate is connected with the connecting piece towards the vertical side edge of the bolt fixing seat;
the left detection plate is connected with the left support plate at intervals in parallel, the left pressure sensors are installed in the middle between the left support plate and the left detection plate at intervals, a left groove is formed in the surface, far away from one side of the left support plate, of the left detection plate along the vertical center direction of the left detection plate, the groove of the left groove is semicircular, and the diameters of the rod parts of the diameter bolts are consistent.
Further, the right clamping assembly comprises
The right supporting plate is rectangular and in a plate shape, and the installation direction of the right supporting plate is perpendicular to the surface of the bolt fixing seat and parallel to the left supporting plate;
the right detection plate is connected with the right support plate at intervals in parallel, the right pressure sensors are installed in the middle between the right support plate and the right detection plate at intervals, a right groove is formed in the surface of one side, far away from the right support plate, of the right support plate along the vertical center direction of the right groove, the groove area of the right groove is semicircular, the diameter of the rod part of the diameter bolt is consistent, and the left groove and the right groove are folded to cover the bolt into the groove area.
Further, the left groove length and the right groove length are the same and are both greater than the length of the bolt rod.
Further, the distance between the lower ends of the left groove and the right groove and the surface of the bolt fixing seat is 0.1 cm-1 cm.
The utility model has the advantages that:
the utility model discloses a solve the problem that exists among the prior art, designed a bolt straightness accuracy and detected and decorate, including motor, left centre gripping subassembly, right centre gripping subassembly etc. When the straightness of the bolt exceeds a standard value, namely the bolt is bent or warped to a certain degree, the bent or warped part tends to push the left clamping assembly and the right clamping assembly away from each other in the rotating process, so that the pressure value in the left clamping assembly or the right clamping assembly is changed, and if the straightness of the bolt exceeds a set value, the bolt is unqualified. Otherwise, the product is qualified. By adopting the bolt straightness detection device, the bolt can be quickly detected, the operation is simple, and the bolt straightness detection device is suitable for large-batch detection requirements.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic three-dimensional structure diagram of a bolt straightness detection device according to an embodiment of the present invention.
Fig. 2 is a schematic three-dimensional structure diagram of the bolt straightness detection device at another angle according to the embodiment of the present invention.
Fig. 3 is a front view of the bolt straightness detection device of the present invention.
Fig. 4 is a top view of the bolt straightness detection device of the present invention.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention.
Embodiments of the present invention/utility model will be described in detail below with reference to the drawings.
The utility model discloses an embodiment, bolt straightness accuracy detection device, as shown in attached figure 1~4, including box 1, motor 2, bolt fixing base 3, left centre gripping subassembly 4, right centre gripping subassembly 5, cylinder 6 and PLC controller (not shown in the figure).
Specifically, the box body 1 is hollow, and the top surface of the box body is a plane and is provided with a through hole.
The motor 2 is arranged in the hollow part of the box body 1, and a power output shaft of the motor vertically penetrates through a through hole in the top surface of the box body 1. A support disc 21 is mounted at the free end of the power take-off shaft.
The bolt fixing seat 3, which is disc-shaped, is connected with the supporting disc 21. A cavity 31 for accommodating the head of the bolt 100 and a chute 32 for removing the bolt 100 are opened at the center of the surface of the bolt fixing seat 3. The cavity 31 is in communication with the chute 32. The rotation center of the bolt fixing seat 3 coincides with the rotation center of the motor 2.
And the left clamping assembly 4 is positioned above the bolt fixing seat 3 and comprises a sliding rail 41, a sliding base 42, a connecting piece 43, a left supporting plate 44, a left detection plate 45 and a left pressure sensor 46.
The slide rail 41 is composed of two L-shaped plates arranged in parallel and is radially arranged on the top surface of the box body 1 along the bolt fixing seat 3.
And a slide base 42 which is disposed in a hollow region in the slide rail 41 and is capable of reciprocating, and is locked by a fastening screw 47 passing through the slide rail 41.
And the connecting piece 43 is rectangular plate-shaped and is connected with the sliding base 42 far away from the lower part of the bolt fixing seat 3.
The left support plate 44 is rectangular plate-shaped and is arranged in a direction perpendicular to the surface of the connecting piece 43 and the bolt fixing seat 3. The vertical middle part of one side of the left support plate 44 is connected with the vertical side of the connecting piece 43 facing the bolt fixing seat 3.
And the left detection plate 45 is arranged in parallel with the left support plate 44, and the left detection plate 45 is connected with the left support plate 44 through a left bolt assembly 48. The bolt assembly consists of a bolt, a spring and a nut. A left groove 451 is formed in a surface of the left detection plate 45 on a side away from the left support plate 44 in a vertical center direction thereof. The groove area of the left groove 451 is semicircular, and the diameter of the shank of the diameter bolt 100 is uniform. The groove length of the left groove 451 is greater than the length of the shank of the bolt 100. The distance between the lower end of the left groove 451 and the surface of the bolt fixing seat 3 is 0.1 cm-1 cm. After the head of the bolt 100 is installed in the cavity 31 of the bolt fixing seat 3, the rod part of the bolt 100 is attached to the inner surface of the groove of the left groove 451, and the axial center of the semi-arc of the left groove 451 is overlapped with the rotation center of the motor 2.
And the left pressure sensors 46 are arranged between the left supporting plate 44 and the left detection plate 45 and are arranged at intervals along the vertical center direction of the left detection plate 45.
And the right clamping assembly 5 is arranged opposite to the left clamping assembly 4 and can be matched with the left clamping assembly 4 to wrap the bolt 100. The right insisting assembly 5 includes a right support plate 51, a right sensing plate 52 and a right pressure sensor 53.
The right support plate 51 is rectangular plate-shaped and is installed in a direction perpendicular to the surface of the bolt holder 3 and parallel to the left support plate 44.
And the right detection plate 52 is arranged in parallel with the right support plate 51 and is connected with the right support plate 51 through the right bolt assembly 54. The bolt assembly consists of a bolt, a spring and a nut. A right groove 521 is formed in a surface of the right detection plate 52 on a side away from the right support plate 51 in a vertical center direction thereof. The right recess 521 has a semicircular groove area, and the diameter of the shaft of the diameter bolt 100 is uniform. The right groove 521 has a groove length greater than the length of the shank of the bolt 100 and the same groove length as the left groove 451. The distance between the lower end of the right groove 521 and the surface of the bolt fixing seat 3 is 0.1 cm-1 cm. During detection, after the head of the bolt 100 is installed in the cavity 31 of the bolt fixing seat 3, the rod part of the bolt 100 is attached to the inner surface of the groove of the right groove 521, and the right groove 521 and the left groove 451 surround the rod part of the bolt 100.
And the right pressure sensors 53 are arranged between the right supporting plate 51 and the right detection plate 52 and are arranged at intervals along the vertical center direction of the left detection plate 45.
And the air cylinder 6 is arranged on an air cylinder base 61 at the top of the box body 1, and a piston rod of the air cylinder is connected with the middle part of one surface of the right supporting plate 51, which is far away from the right detection plate 52. The cylinder 6 can push the right clamping assembly 5 to approach the left clamping assembly 4, and wrap the bolt 100 inside.
And the PLC is connected with each of the left pressure sensor 46 and the right pressure sensor 53 and is used for acquiring and monitoring pressure value changes. Meanwhile, the PLC is connected with the motor 2 and the air cylinder 6 to control the working state of the motor.
The working principle of the bolt straightness detection device in the embodiment is as follows:
firstly, the head of the bolt standard is placed in the cavity of the bolt fixing seat 3, and the left groove 451 is in contact with the rod part of the screw standard. The air cylinder 6 works to push the right clamping assembly 5 to move towards the left clamping assembly 4, finally the left detection plate 45 and the right detection plate 52 are folded, the bolt standard is wrapped inside the left groove 451 and the right groove 521, and the air cylinder 6 is kept in a jacking state. The motor 2 starts, and the drive bolt fixing base 3 rotates with the speed of 1~ rpm, and the bolt standard substance synchronous revolution. The PLC controller acquires a change in the pressure value between the left detection plate 45 and the left support plate 44 and a change in the pressure value between the right detection plate 52 and the right support plate 51, which are monitored by the left pressure sensor 46 and the right pressure sensor 53, and uses them as detection references.
And testing the bolt to be tested in the same way. When the straightness of the bolt exceeds a standard value, namely, the bolt is bent or warped to a certain degree, the bent or warped part tends to push the right groove 521 and the left groove 451 away from each other in the rotating process, so that the pressure value between the left detection plate 45 and the left support plate 44 or the pressure value between the right detection plate 52 and the right support plate 51 changes, and when the straightness of the bolt exceeds a set value, the bolt is unqualified. Otherwise, the product is qualified.
By adopting the bolt straightness detection device, the bolt can be quickly detected, the operation is simple, and the bolt straightness detection device is suitable for large-batch detection requirements.
Claims (8)
1. Bolt straightness accuracy detection device, its characterized in that: comprises that
A box body;
the motor is arranged on the inner side of the box body, and a power output shaft of the motor penetrates through the top surface of the box body to be upward;
the bolt fixing seat is connected with the free end of the power output shaft of the motor, and the rotation center of the bolt fixing seat is superposed with the rotation center of the motor;
the left clamping assembly is provided with a left pressure sensor, is positioned above the bolt fixing seat and is connected with the box body;
the right clamping assembly is provided with a right pressure sensor and is arranged on the box body in a sliding mode and opposite to the left clamping assembly, and the right clamping assembly is matched with the left clamping assembly to wrap the bolt;
and the PLC is connected with the motor, the left pressure sensor and the right pressure sensor.
2. The bolt straightness detection device according to claim 1, wherein: the cylinder with right centre gripping subassembly is connected, and install on the box.
3. The bolt straightness detection device according to claim 1 or 2, wherein: the bolt fixing seat is characterized in that a cavity for accommodating the head of the bolt and a sliding groove for moving the bolt are formed in the center of the surface of the bolt fixing seat, and the cavity is communicated with the sliding groove.
4. The bolt straightness detection device according to claim 1 or 2, wherein: the free end of a power output shaft of the motor is provided with a supporting disc, and the bolt fixing seat is arranged on the supporting disc.
5. The bolt straightness detection device according to claim 1 or 2, wherein: the left clamping assembly comprises
The sliding rail is radially arranged on the top surface of the box body along the bolt fixing seat;
the sliding base is assembled and connected with the sliding rail and can move repeatedly;
the connecting piece is rectangular and is connected with the sliding base far away from the lower part of the bolt fixing seat;
the mounting direction of the left supporting plate is perpendicular to the surfaces of the connecting piece and the bolt fixing seat, and the vertical middle part of one surface of the left supporting plate is connected with the connecting piece towards the vertical side edge of the bolt fixing seat;
the left detection plate is connected with the left support plate at intervals in parallel, the left pressure sensors are installed in the middle between the left support plate and the left detection plate at intervals, a left groove is formed in the surface, far away from one side of the left support plate, of the left detection plate along the vertical center direction of the left detection plate, the groove of the left groove is semicircular, and the diameters of the rod parts of the diameter bolts are consistent.
6. The bolt straightness detection device according to claim 5, wherein: the right clamping component comprises
The right supporting plate is rectangular and in a plate shape, and the installation direction of the right supporting plate is perpendicular to the surface of the bolt fixing seat and parallel to the left supporting plate;
the right detection plate is connected with the right support plate at intervals in parallel, the right pressure sensors are installed in the middle between the right support plate and the right detection plate at intervals, a right groove is formed in the surface of one side, far away from the right support plate, of the right support plate along the vertical center direction of the right groove, the groove area of the right groove is semicircular, the diameter of the rod part of the diameter bolt is consistent, and the left groove and the right groove are folded to cover the bolt into the groove area.
7. The bolt straightness detecting device according to claim 6, wherein: the left groove length and the right groove length are the same and are both greater than the length of the bolt rod part.
8. The bolt straightness detecting device according to claim 7, wherein: the distance between the lower ends of the left groove and the right groove and the surface of the bolt fixing seat is 0.1 cm-1 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921712482.8U CN210533263U (en) | 2019-10-12 | 2019-10-12 | Bolt straightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921712482.8U CN210533263U (en) | 2019-10-12 | 2019-10-12 | Bolt straightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210533263U true CN210533263U (en) | 2020-05-15 |
Family
ID=70607586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921712482.8U Active CN210533263U (en) | 2019-10-12 | 2019-10-12 | Bolt straightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210533263U (en) |
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2019
- 2019-10-12 CN CN201921712482.8U patent/CN210533263U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 203, Huancheng East Road, Longchang City, Neijiang City, Sichuan Province Patentee after: Sichuan Dongbo Track Technology Co.,Ltd. Address before: 642150 No. 49 Dongxin Street, Jine Town, Longchang, Neijiang City, Sichuan Province Patentee before: Sichuan Dongbo Track Technology Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240110 Address after: 642150, No. 203 Huancheng East Road, Longchang City, Neijiang City, Sichuan Province (within Sichuan Dongbo Rail Technology Co., Ltd.) Patentee after: Longchang Hongbo Technology Co.,Ltd. Address before: No.203, Huancheng East Road, Longchang, Neijiang, Sichuan 642150 Patentee before: Sichuan Dongbo Track Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |