CN213932304U - Detection tool for measuring shaft diameter of arc eccentric bolt - Google Patents
Detection tool for measuring shaft diameter of arc eccentric bolt Download PDFInfo
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- CN213932304U CN213932304U CN202120079983.8U CN202120079983U CN213932304U CN 213932304 U CN213932304 U CN 213932304U CN 202120079983 U CN202120079983 U CN 202120079983U CN 213932304 U CN213932304 U CN 213932304U
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- measuring
- eccentric bolt
- shaft diameter
- screw
- arc eccentric
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Abstract
The utility model provides an examine utensil for measuring circular arc eccentric bolt diameter of axle belongs to mechanical installation part check out test set technical field, and it specifically includes measuring tool, collet chuck, splint and fixing support, and the measuring tool passes through splint to be connected with fixing support, the last mounting hole that is provided with of fixing support, collet chuck set up in the mounting hole, and collet chuck's the central axis is perpendicular with the central axis of measuring tool. Through the utility model discloses an interval can improve the eccentric bolt diameter of circular arc measuring accuracy.
Description
Technical Field
The utility model belongs to the technical field of machinery installation part check out test set, a examine utensil is related to a detection bolt, specifically is an examine utensil for measuring circular arc eccentric bolt diameter of axes.
Background
The bolt is a fastener used with a nut, consists of a head part and a cylindrical screw rod with external threads, and is used for fastening and connecting two parts with through holes. An eccentric bolt is often used in the fields of automobiles, agricultural machinery, construction engineering and the like, and can be used for adjusting the angle of a connected part, and the size of the eccentric bolt needs to be detected after production so as to judge whether the eccentric bolt is qualified or not. The main measurement data of the arc eccentric bolt is the diameter of the shaft, the diameter of the screw is generally measured firstly, then the diameter of the screw is divided by 2 to calculate the radius of the screw, and the diameter of the screw is added with the distance from the end face of the screw to the end face of the head to calculate the diameter of the arc eccentric bolt, so that the method has the following defects:
1. the diameter of the screw and the distance from the end face of the screw to the end face of the head need to be respectively tested, the number of measurement times is large, and the process is complex.
2. The end face of the arc eccentric bolt is an arc, and a measuring point of the arc surface is not easy to fix, so that measured data are inaccurate.
SUMMERY OF THE UTILITY MODEL
To the measuring method of above-mentioned current circular arc eccentric bolt diameter of axle size, its measuring number of times is many, the process is complicated, the unsafe problem of measured data, the utility model provides an examine utensil for measuring circular arc eccentric bolt diameter of axle, its concrete technical scheme as follows:
the gauge for measuring the shaft diameter of the arc eccentric bolt comprises a measuring tool, a collet chuck, a clamping plate and a fixed support, wherein the measuring tool is connected with the fixed support through the clamping plate, a mounting hole is formed in the fixed support, the collet chuck is arranged in the mounting hole, and the central axis of the collet chuck is perpendicular to the central axis of the measuring tool.
Further, the central axis of the spring chuck is on the same vertical plane with the zero graduation line of the measuring tool.
Further limiting, the gauge for measuring the shaft diameter of the arc eccentric bolt further comprises a locking screw, a locking screw connecting hole is formed in the fixed support, and the locking screw penetrates through the locking screw connecting hole and abuts against the side face of the spring chuck.
The fixture for measuring the shaft diameter of the arc eccentric bolt further comprises a screw rod hand wheel, a screw rod hand wheel connecting hole is formed in the fixed support, and the screw rod hand wheel penetrates through the screw rod hand wheel connecting hole and abuts against the non-clamping end face of the spring chuck.
Further inject, an examine utensil for measuring circular arc eccentric bolt diameter of axle still includes the screw, all be provided with the screw hole on fixing support and the splint, the screw passes the screw hole on fixing support and the splint and is connected fixing support and splint.
Further defined, a pin is connected between the clamp plate and the gauge.
Further defined, the gauge is a vernier caliper.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model is used for measure examining utensil of circular arc eccentric bolt diameter of axle, it includes measuring tool, collet chuck, splint and fixing support, and the measuring tool passes through splint to be connected with fixing support, is provided with the mounting hole on the fixing support, and collet chuck installs in the mounting hole, and collet chuck's the central axis is perpendicular with the central axis of measuring tool. When the shaft diameter of the arc eccentric bolt is measured, the screw rod part of the arc eccentric bolt is clamped through the spring chuck, and then the distance from the center position of the head part of the arc eccentric bolt to the edge position of the head part is measured through the gauge, so that the shaft diameter of the arc eccentric bolt is obtained. The shaft diameter of the arc eccentric bolt can be obtained by using the detection tool only through measuring once, so that the measuring process is simplified; and the gauge can directly read after one-time measurement, so that the accuracy of the measured data is improved.
2. The fixed support is provided with a locking screw connecting hole and a screw rod hand wheel connecting hole, a locking screw penetrates through the locking screw connecting hole to abut against the side face of the spring chuck, the radial position of the spring chuck is limited through the locking screw, the screw rod hand wheel penetrates through the screw rod hand wheel connecting hole to abut against the non-clamping end face of the spring chuck, the axial position of the spring chuck is limited through the screw rod hand wheel, the position of the spring chuck is fixed, when the arc eccentric bolt is clamped on the spring chuck, the arc eccentric bolt can be stabilized on the spring chuck and cannot shake, a measuring tool is convenient to measure and position, and the accuracy of measured data is improved.
3. The screw penetrates through screw holes on the fixed support and the clamping plate to connect the fixed support and the clamping plate; still be connected with the round pin between splint and fixing support, can stabilize splint on fixing support through screw and round pin, guarantee that anchor clamps can not produce on fixing support and rock, improved measured data's accuracy.
Drawings
FIG. 1 is a schematic structural view of a gauge for measuring the diameter of an arc eccentric bolt of the present invention;
FIG. 2 is a sectional view of the gauge for measuring the diameter of the circular arc eccentric bolt according to the present invention, cut along the cross section;
the device comprises a testing fixture 1, a spring chuck 2, a clamping plate 3, a screw rod hand wheel 4, a fixed support 5, a pin 6, a screw 7 and a locking screw 8.
Detailed Description
The technical solution of the present invention is further explained below with reference to the drawings and examples, but the present invention is not limited to the embodiments explained below.
The utility model is used for measure examining utensil of circular arc eccentric bolt diameter of axle, including measuring tool 1, collet chuck 2, splint 3 and fixing support 5, measuring tool 1 is connected with fixing support 5 through splint 3, is provided with the mounting hole on the fixing support 5, and collet chuck 2 sets up in the mounting hole, and collet chuck 2's the central axis is perpendicular with measuring tool 1's the central axis. The central axis of the collet chuck 2 is on the same vertical plane with the zero scale line of the gauge 1.
The checking fixture for measuring the shaft diameter of the arc eccentric bolt further comprises a locking screw 8, a locking screw connecting hole is formed in the fixed support 5, and the locking screw 8 penetrates through the locking screw connecting hole and abuts against the side face of the spring chuck 2.
The checking fixture for measuring the shaft diameter of the arc eccentric bolt further comprises a screw rod hand wheel 4, a screw rod hand wheel connecting hole is formed in the fixed support 5, and the screw rod hand wheel 4 penetrates through the screw rod hand wheel connecting hole and abuts against the non-clamping end face of the spring chuck 2.
The gauge for measuring the shaft diameter of the arc eccentric bolt further comprises a screw 7, screw holes are formed in the fixing support 5 and the clamping plate 3, and the screw 7 penetrates through the screw holes in the fixing support 5 and the clamping plate 3 to connect the fixing support 5 and the clamping plate 3. A pin 6 is also connected between the clamping plate 3 and the measuring standard 1. The measuring tool 1 is a vernier caliper.
Example 1
Referring to fig. 1 and 2, the inspection tool for measuring the shaft diameter of the arc eccentric bolt in the embodiment includes a measuring tool 1, a collet chuck 2, a clamping plate 3, a lead screw hand wheel 4, a fixed support 5, a pin 6, a screw 7 and a locking screw 8, wherein 2 screw holes are respectively formed above the fixed support 5 and on the clamping plate 3, the screw 7 passes through the screw holes on the fixed support 5 and the clamping plate 3 to connect the fixed support 5 and the clamping plate 3, 3 pin holes are formed along the length direction of the clamping plate 3, 3 pin holes corresponding to the clamping plate 3 are formed along the length direction of the measuring tool 1, the pin 6 passes through the pin holes on the clamping plate 3 and the measuring tool 1 to connect the clamping plate 3 with the measuring tool 1, and the measuring tool 1 is arranged above the fixed support 5; a locking screw connecting hole is formed in the upper portion of the fixed support 5, a locking screw 8 penetrates through the locking screw connecting hole and abuts against the side face of the spring chuck 2 to limit the radial direction of the locking screw 8, a screw rod hand wheel connecting hole is formed in the fixed support 5, a screw rod hand wheel 4 penetrates through the screw rod hand wheel connecting hole and abuts against the non-clamping end face of the spring chuck 2 to limit the axial direction of the locking screw 8, the measuring tool 1 is a vernier caliper, and a zero scale line of the vernier caliper and the central axis of the spring chuck 2 are on the same vertical plane; the fixed support 5 is provided with a mounting hole, and the collet chuck 2 is mounted in the mounting hole.
The use method of the gauge for measuring the shaft diameter of the arc eccentric bolt in the embodiment comprises the following steps: during measurement, the arc eccentric bolt is clamped on the collet chuck 2, the screw rod part of the arc eccentric bolt is clamped through the collet chuck 2, and the distance from the center position of the head of the arc eccentric bolt to the edge position of the head is measured by the gauge to obtain the shaft diameter of the arc eccentric bolt.
Claims (7)
1. The gauge for measuring the shaft diameter of the arc eccentric bolt is characterized by comprising a measuring tool (1), a collet chuck (2), a clamping plate (3) and a fixed support (5), wherein the measuring tool (1) is connected with the fixed support (5) through the clamping plate (3), a mounting hole is formed in the fixed support (5), the collet chuck (2) is arranged in the mounting hole, and the central axis of the collet chuck (2) is perpendicular to the central axis of the measuring tool (1).
2. The testing fixture for measuring the shaft diameter of the circular arc eccentric bolt according to claim 1, characterized in that the central axis of the collet chuck (2) and the zero graduation line of the measuring tool (1) are on the same vertical plane.
3. The detection tool for measuring the shaft diameter of the arc eccentric bolt according to claim 2, characterized in that the detection tool for measuring the shaft diameter of the arc eccentric bolt further comprises a locking screw (8), a locking screw connecting hole is formed in the fixed support (5), and the locking screw (8) penetrates through the locking screw connecting hole and abuts against the side face of the spring chuck (2).
4. The gauge for measuring the shaft diameter of the arc eccentric bolt according to claim 3, further comprising a lead screw hand wheel (4), wherein the fixed support (5) is provided with a lead screw hand wheel connecting hole, and the lead screw hand wheel (4) penetrates through the lead screw hand wheel connecting hole and abuts against the non-clamping end face of the spring chuck (2).
5. The checking fixture for measuring the shaft diameter of the arc eccentric bolt according to any one of claims 1 to 4, characterized in that the checking fixture for measuring the shaft diameter of the arc eccentric bolt further comprises a screw (7), screw holes are formed in the fixing support (5) and the clamping plate (3), and the screw (7) penetrates through the screw holes in the fixing support (5) and the clamping plate (3) to connect the fixing support (5) and the clamping plate (3).
6. The checking fixture for measuring the shaft diameter of the circular arc eccentric bolt according to claim 5, characterized in that a pin (6) is further connected between the clamping plate (3) and the measuring tool (1).
7. The gauge for measuring the shaft diameter of the circular arc eccentric bolt according to claim 6, characterized in that the measuring tool (1) is a vernier caliper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120079983.8U CN213932304U (en) | 2021-01-12 | 2021-01-12 | Detection tool for measuring shaft diameter of arc eccentric bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120079983.8U CN213932304U (en) | 2021-01-12 | 2021-01-12 | Detection tool for measuring shaft diameter of arc eccentric bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213932304U true CN213932304U (en) | 2021-08-10 |
Family
ID=77158460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120079983.8U Active CN213932304U (en) | 2021-01-12 | 2021-01-12 | Detection tool for measuring shaft diameter of arc eccentric bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213932304U (en) |
-
2021
- 2021-01-12 CN CN202120079983.8U patent/CN213932304U/en active Active
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