CN208751518U - A kind of bolt elongate amount detecting device - Google Patents
A kind of bolt elongate amount detecting device Download PDFInfo
- Publication number
- CN208751518U CN208751518U CN201821392850.0U CN201821392850U CN208751518U CN 208751518 U CN208751518 U CN 208751518U CN 201821392850 U CN201821392850 U CN 201821392850U CN 208751518 U CN208751518 U CN 208751518U
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- positioning
- bolt
- detected
- handle
- guiding bar
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Abstract
The utility model discloses a kind of bolt elongate amount detecting devices, including handle, scalable locating piece, displacement sensor, guide rod, positioning and guiding bar；Scalable locating piece is arranged in handle side, and positioning and guiding bar is arranged in the corresponding other side；Scalable locating piece includes connected mobile bar and positioning region；Positioning region is located on the inside of handle, and positioning region free end end face is precision plane, for positioning one end of bolt to be detected；Mobile bar one end is connect with positioning region, is threaded through in the circular hole of other end handle, can be moved axially along bolt length direction to be detected；Positioning and guiding bar is placed in the pilot hole of handle, accurate end face is arranged close to scalable locating piece end, for positioning the other end of bolt to be detected；Outer conical surface is arranged in positioning and guiding bar middle-end, cooperates with the circular conical surface of guide rod, converts the axial displacement of positioning and guiding bar to the axial displacement of guide rod；Displacement sensor is correspondingly arranged with guide rod, incudes the axial displacement of guide rod.
Description
Technical field
The utility model belongs to detection device technical field, and in particular to a kind of bolt elongate amount detecting device.
Background technique
Being bolted is the main assembling scheme of engineering machinery.Since engineering machinery construction operation environment is complicated, operating condition is disliked
It is bad, it is more demanding to bolt pretightening during engineering machinery production process, after-sale service, when bolt fastening, it is desirable that bolt
Elongation meets design requirement, to guarantee engineering machinery bolted reliable, stability in During Process of Long-term Operation.Therefore,
In engineering machinery production process and after-sale service, bolt elongate amount is quickly and accurately obtained, judges that bolt connects accurate and visually
It connects quality and has become a technical problem.Regrettably, it is suitable for effective detection device and method currently, there is no.
Existing bolt elongate amount detection mainly has outside micrometer/slide calliper rule detection, ultrasound examination and patent " a kind of
Connecting-rod bolts elongation measuring device and measuring method ".Outside micrometer/slide calliper rule detection is with ultrasound detection to bolt both ends of the surface
Quality requirement is higher, even needs preprocessing, increases testing cost, and testing result inaccuracy.Patent " stretch by a kind of connecting-rod bolts
Long measuring device and measurement method " it is suitable only for both ends of the surface bolt elongate amount detection with a central hole, poor universality；It is most of
Two end spaces are limited after bolt assembly, and along bolt, axially arrangement digital display dial gauge will be unable to detect；Detection device is suitable only for one
Kind length dimension bolt detection, it is poor for applicability.
Utility model content
Purpose: in order to overcome the deficiencies in the prior art, the utility model provides a kind of bolt elongate amount detection device
It sets, it can be in engineering goods production line and after-sale service scene quickly and accurately bolt elongate to be detected using the utility model
Amount, the bolt suitable for a variety of different model length detect.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the utility model is:
A kind of bolt elongate amount detecting device, it is characterised in that: including handle, scalable locating piece, displacement sensor, lead
To bar, positioning and guiding bar；
Scalable locating piece is arranged in the handle side, and positioning and guiding bar is arranged in the corresponding other side；
The scalable locating piece includes connected mobile bar and positioning region；Positioning region is located on the inside of handle, and positioning region is certainly
It is precision plane by end end face, for positioning one end of bolt to be detected；Mobile bar one end is connect with positioning region, is threaded through another
In the circular hole for holding handle, arranged along bolt length direction to be detected, and can be moved axially along bolt length direction to be detected；
The positioning and guiding bar is placed in the pilot hole of the handle, and accurate end face is arranged close to scalable locating piece end,
For positioning the other end of the bolt to be detected；Outer conical surface is arranged in the positioning and guiding bar middle-end, with the guide rod
Circular conical surface cooperation, converts the axial displacement of the positioning and guiding bar to the axial displacement of the guide rod；The displacement sensing
Device is correspondingly arranged with the guide rod, incudes the axial displacement of the guide rod.
Preferably, the bolt elongate amount detecting device, it is characterised in that: further include adjustment axis, the shifting
Accurate rack gear is provided in lever；The gear matched with mobile bar upper rack, the gear and institute are set on the adjustment axis
It states rack gear to be meshed, rotates the displacement with carry-over bar by adjusting the gear of axis, drive the scalable locating piece along to be checked
Bolt length direction is surveyed to slide axially.According to the length of bolt to be detected, adjust between scalable locating piece and positioning and guiding bar
Distance.
Preferably, the bolt elongate amount detecting device, it is characterised in that: it further include fastening screw, it is described
Fastening screw is connected through a screw thread with the handle, and can be supported and be located on the adjustment axis, is fastened the adjustment axis, is prevented its turn
It is dynamic.
Preferably, the bolt elongate amount detecting device, it is characterised in that: the positioning end surface is precision
Plane, for positioning the screw cap end of bolt to be detected, positioning region positioning end face is provided with to match with the screw cap end of bolt to be detected
The location structure of conjunction.
Preferably, the bolt elongate amount detecting device, it is characterised in that: the positioning and guiding bar is placed in institute
It states in the pilot hole of handle, accurate end face is set as close to scalable locating piece end, for positioning the spiral shell of the bolt to be detected
Rod end.
Preferably, the bolt elongate amount detecting device, it is characterised in that: it further include connector sleeve, institute's rheme
Displacement sensor is fixedly connected by the connector sleeve with the guide rod.
Preferably, the bolt elongate amount detecting device, it is characterised in that: it further include adjusting screw, it is described
Adjusting screw is connect with the other end of positioning and guiding bar, by adjusting screw rotation, adjusts the axial position of the positioning and guiding bar
It sets and fixes.
Further, the bolt elongate amount detecting device, it is characterised in that: the adjusting screw and the handle are logical
Threaded connection is crossed to fix.
Preferably, institute's displacement sensors are digital display dial gauge, laser displacement sensor, inductance displacement sensing
Device.
The utility model also provides a kind of bolt elongate amount detection systems, it is characterised in that: including above-mentioned bolt elongate
Amount detecting device further includes host, realizes that wireless signal passes by ZIGBEE, bluetooth between institute displacement sensors and host
It is defeated.
The utility model has the advantages that bolt elongate amount detecting device provided by the utility model, has the advantage that (1) by that can stretch
Contracting locating piece can adjust the distance between scalable locating piece and positioning and guiding bar according to the length of bolt to be detected, be applicable in
It is detected in the bolt of different model length；(2) gear & rack structure is used, after the adjustment for carrying out detection bolt length range, is led to
It crosses fastening screw to fix, structure is simple.(3) detection of bolt elongate amount, positioning and guiding bar energy are carried out by positioning and guiding rod end
It is enough to be displaced by adjusting screw, the displacement of positioning and guiding bar is converted to the displacement of guide rod, and pass through displacement sensor
To measure elongation；Structure is simple, is easily achieved, applied widely, easy to adjust, adaptive flexible movements, and reflection bolt is stretched
Long amount is more accurate.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model bolt elongate amount detecting device；
In figure: 1. handles, 2. scalable locating pieces, 3. adjustment axis, 4. bolts, 5. fastening screws, 6. hosts, 7. displacements pass
Sensor, 8. connector sleeves, 9. guide rods, 10. positioning and guiding bars, 11. adjusting screws.
Specific embodiment
The utility model is further described combined with specific embodiments below.
Embodiment 1
As shown in Figure 1, being a kind of bolt elongate amount detecting device, bolt 4 to be detected is detected member, bolt 4 to be detected
Including nut 41, screw rod 42；
Including handle 1, scalable locating piece 2, adjustment axis 3, bolt to be detected 4, fastening screw 5, host 6, displacement sensing
Device 7, connector sleeve 8, guide rod 9, positioning and guiding bar 10, adjusting screw 11.
Scalable locating piece 2 is arranged in 1 side of handle, and positioning and guiding bar 10 is arranged in the corresponding other side；
The scalable locating piece 2 includes connected mobile bar 21 and positioning region 22；Positioning region 22 is located at 1 inside of handle,
22 free end end face of positioning region is precision plane, and for positioning the nut 41 of bolt 4 to be detected, positioning region 22 positions end face setting
There is the location structure matched with 41 end of nut of bolt 4 to be detected；
21 one end of mobile bar is connect with positioning region 22, is threaded through in the circular hole of other end handle 1, long along bolt 4 to be detected
Direction arrangement is spent, and can axially be moved along 4 length direction of bolt to be detected；
Accurate rack gear is provided in the mobile bar 21；Setting is matched with 21 rack gear of mobile bar on the adjustment axis 3
Gear, the gear are meshed with the rack gear, rotate the displacement with carry-over bar by adjusting the gear of axis 3, can described in driving
Flexible locating piece 2 is axially slided along 4 length direction of bolt to be detected.According to the length of bolt to be detected, it is scalable fixed to adjust
Position the distance between block 2 and positioning and guiding bar 10.
The positioning and guiding bar 10 is placed in the pilot hole of the handle 1, and accurate end is arranged close to scalable 2 end of locating piece
Face, for positioning 42 end of screw rod of the bolt to be detected 4；Outer conical surface is arranged in middle-end, matches with the circular conical surface of the guide rod 9
It closes, converts the axial displacement of the positioning and guiding bar 10 to the axial displacement of the guide rod 9；Institute's displacement sensors 7 with
The guide rod 9 is connected by the connector sleeve 8, incudes the axial displacement of the guide rod 9.
Further, the fastening screw 5 is connected through a screw thread with the handle 1, and can be withstood on the adjustment axis 3,
The adjustment axis 3 is fastened, its rotation is prevented.
Further, institute's displacement sensors 7 can be digital display dial gauge, laser displacement sensor, inductance displacement sensor.
Embodiment 2
A kind of bolt elongate amount detection systems further include host 6 including above-mentioned bolt elongate amount detecting device；
The handle 1 is used to support entire detection system；Described 1 one end of handle be arranged the scalable locating piece 2 along
The axially threaded hole of the circular hole of accurate sliding, the fixation hole of the adjustment axis 3, the fastening screw 5；The handle 1 other one
End setting the fixation hole of institute's displacement sensors 7, the pilot hole of the positioning and guiding bar 10, the adjusting screw 11 cooperation in
Screw thread.
The scalable locating piece 2 includes two sections of shaft shoulders, one end circular hole cooperation of one section of shaft shoulder 21 and the handle 1, can
It axially slides, accurate rack gear is also set up on this section of shaft shoulder, cooperate with the gear on the adjustment axis 3, can be stretched described in driving
Contracting locating piece 2 slides axially along, adjusts bolt length range to be detected；22 end face of the other end shaft shoulder is precision plane,
For positioning the nut of bolt 4 to be detected.Gear is set on the adjustment axis 3, is matched with the rack gear on the scalable locating piece 2
It closes, the scalable locating piece 2 is driven axially to slide.
The fastening screw 5 is connected through a screw thread with the handle 1, and can be withstood on the adjustment axis 3, and the tune is fastened
Bearing 3 prevents its rotation.The host 6 is used to acquire the signal of institute's displacement sensors 7, carries out signal conversion, bolt elongate
Amount calculates, bolt elongate amount is analyzed, data store etc.；Pass through ZIGBEE, indigo plant between the host 6 and institute's displacement sensors 7
The means such as tooth realize wireless signal transmission.Institute's displacement sensors 7 can be digital display dial gauge, laser displacement sensor, inductance position
Wireless signal transmission is realized by means such as ZIGBEE, bluetooths between displacement sensor etc., with the host 6；The displacement sensing
Device 7 and the guide rod 9 are connected by the connector sleeve 8, incude the axial displacement of the guide rod 9.The connector sleeve 8 is used for
Be connected institute's displacement sensors 7 and the guide rod 9.Described 9 one end of guide rod passes through the connector sleeve 8 and the displacement sensing
Device 7 is connected；The other end of the guide rod 9 is equipped with circular conical surface, cooperates with the circular conical surface of the positioning and guiding bar 10, will be described fixed
The axial displacement of position guide rod 10, is converted into the axial displacement of the guide rod 9.The positioning and guiding bar 10 is placed in the handle
In 1 pilot hole, accurate end face is arranged in one end, for positioning 42 end of screw rod of the bolt to be detected 4；Outer cone is arranged in middle-end
Face cooperates with the circular conical surface of the guide rod 9, converts the guide rod 9 for the axial displacement of the positioning and guiding bar 10
Axial displacement；The other end and the adjusting screw 11 are connected, and can rotate by adjusting screw 11, adjust the positioning and guiding bar 10
Axial position and fixation.The adjusting screw 11 is connected through a screw thread fixation with the handle 1, with the positioning and guiding bar 10
It is connected；Positioning and guiding bar 10 described in 11 rotate driving of adjusting screw is axially moved, and can be fixed to required position.
In the detection process, the fastening screw 5 is unclamped first, so that the adjustment axis 3 can be rotated；According to described to be checked
The parameter of bolt 4 is surveyed, the adjustment axis 3 is rotated, after adjusting scalable 2 axial position of locating piece, tightens the fastening spiral shell
Nail 5, it is ensured that the scalable locating piece 2 is fixed.Then, the adjusting screw 11 is rotated, clamping detects the bolt 4 to be detected
Drift saved by the data of institute's displacement sensors 7 by radioing to the host 6.Subsequently, will
The bolt to be detected 4 is assembled, and detects the length of the bolt to be detected 4 again, by the data of institute's displacement sensors 7
By radioing to the host 6.Finally, the host 6, which calculates to obtain, is detected 4 elongation of bolt to be detected.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of bolt elongate amount detecting device, it is characterised in that: including handle, scalable locating piece, displacement sensor, guiding
Bar, positioning and guiding bar；
Scalable locating piece is arranged in the handle side, and positioning and guiding bar is arranged in the corresponding other side；
The scalable locating piece includes connected mobile bar and positioning region；Positioning region is located on the inside of handle, positioning region free end
End face is precision plane, for positioning one end of bolt to be detected；Mobile bar one end is connect with positioning region, is threaded through other end hand
In the circular hole of handle, arranged along bolt length direction to be detected, and can be moved axially along bolt length direction to be detected；
The positioning and guiding bar is placed in the pilot hole of the handle, and accurate end face is arranged close to scalable locating piece end, is used for
Position the other end of the bolt to be detected；Outer conical surface, the circular cone with the guide rod is arranged in the positioning and guiding bar middle-end
Face cooperation, converts the axial displacement of the positioning and guiding bar to the axial displacement of the guide rod；Institute's displacement sensors with
The guide rod is correspondingly arranged, and incudes the axial displacement of the guide rod.
2. bolt elongate amount detecting device according to claim 1, it is characterised in that: further include adjustment axis, the movement
Rack gear is provided on bar；The gear matched with mobile bar upper rack, the gear and the rack gear are set on the adjustment axis
It is meshed, rotates the displacement with carry-over bar by adjusting the gear of axis, drive the scalable locating piece along bolt to be detected
Length direction axially slides.
3. bolt elongate amount detecting device according to claim 2, it is characterised in that: it further include fastening screw, it is described tight
Gu screw is connected through a screw thread with the handle, and can be supported and be located on the adjustment axis, the adjustment axis is fastened, its turn is prevented
It is dynamic.
4. bolt elongate amount detecting device according to claim 1, it is characterised in that: the positioning end surface is accurate flat
Face, for positioning the screw cap end of bolt to be detected, positioning region positioning end face is provided with to be matched with the screw cap end of bolt to be detected
Location structure.
5. bolt elongate amount detecting device according to claim 1, it is characterised in that: the positioning and guiding bar is close to be stretched
Contracting locating piece end is set as accurate end face, for positioning the screw rod end of the bolt to be detected.
6. bolt elongate amount detecting device according to claim 1, it is characterised in that: it further include connector sleeve, the displacement
Sensor is fixedly connected by the connector sleeve with the guide rod.
7. bolt elongate amount detecting device according to claim 1, it is characterised in that: it further include adjusting screw, the tune
Whole screw is connect with the other end of positioning and guiding bar, by adjusting screw rotation, adjusts the axial position of the positioning and guiding bar
With fixation.
8. bolt elongate amount detecting device according to claim 7, it is characterised in that: the adjusting screw and the handle
It is connected through a screw thread fixation.
9. bolt elongate amount detecting device according to claim 1-8, it is characterised in that: institute's displacement sensors
For digital display dial gauge, laser displacement sensor, inductance displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821392850.0U CN208751518U (en) | 2018-08-28 | 2018-08-28 | A kind of bolt elongate amount detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821392850.0U CN208751518U (en) | 2018-08-28 | 2018-08-28 | A kind of bolt elongate amount detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208751518U true CN208751518U (en) | 2019-04-16 |
Family
ID=66082147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821392850.0U Active CN208751518U (en) | 2018-08-28 | 2018-08-28 | A kind of bolt elongate amount detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208751518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059830A (en) * | 2018-08-28 | 2018-12-21 | 徐工集团工程机械有限公司 | A kind of bolt elongate amount detecting device |
-
2018
- 2018-08-28 CN CN201821392850.0U patent/CN208751518U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059830A (en) * | 2018-08-28 | 2018-12-21 | 徐工集团工程机械有限公司 | A kind of bolt elongate amount detecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220725 Address after: No.26 tuolanshan Road, Xuzhou Economic and Technological Development Zone, Xuzhou City, Jiangsu Province Patentee after: JIANGSU XUGONG ENGINEERING MACHINERY RESEARCH INSTITUTE Co.,Ltd. Address before: 221004 26 Jinshan Road, Jinshan Bridge Economic Development Zone, Xuzhou, Jiangsu Patentee before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right |