CN109059830A - A kind of bolt elongate amount detecting device - Google Patents

A kind of bolt elongate amount detecting device Download PDF

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Publication number
CN109059830A
CN109059830A CN201810988104.6A CN201810988104A CN109059830A CN 109059830 A CN109059830 A CN 109059830A CN 201810988104 A CN201810988104 A CN 201810988104A CN 109059830 A CN109059830 A CN 109059830A
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CN
China
Prior art keywords
positioning
bolt
handle
detected
detecting device
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Granted
Application number
CN201810988104.6A
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Chinese (zh)
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CN109059830B (en
Inventor
王灿
陈新春
韩帅帅
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Jiangsu Xugong Construction Machinery Research Institute Co ltd
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Construction Machinery Branch of XCMG
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Priority to CN201810988104.6A priority Critical patent/CN109059830B/en
Publication of CN109059830A publication Critical patent/CN109059830A/en
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

The invention 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

A kind of bolt elongate amount detecting device
Technical field
The invention belongs to detection device technical fields, 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.
Summary of the invention
Purpose: in order to overcome the deficiencies in the prior art, the present invention provides a kind of bolt elongate amount detecting device, answers It can be suitable for more in engineering goods production line and after-sale service scene quickly and accurately bolt elongate amount to be detected with the invention The bolt detection of kind different model length.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
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.
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 It is connected through a screw thread fixation.
Preferably, institute's displacement sensors are digital display dial gauge, laser displacement sensor, inductance displacement sensing Device.
The present invention also provides a kind of bolt elongate amount detection systems, it is characterised in that: the bolt including preceding claim Amount detecting device is extended, further includes host, wireless signal is realized by ZIGBEE, bluetooth between institute displacement sensors and host Transmission.
The utility model has the advantages that bolt elongate amount detecting device provided by the invention, it is scalable fixed to have the advantage that (1) passes through Position block, can adjust the distance between scalable locating piece and positioning and guiding bar according to the length of bolt to be detected, be suitable for not Bolt with model length detects;(2) gear & rack structure is used, after the adjustment for carrying out detection bolt length range, by tight Gu screw is fixed, structure is simple.(3) detection of bolt elongate amount is carried out by positioning and guiding rod end, positioning and guiding bar can lead to It crosses adjusting screw to be displaced, the displacement of positioning and guiding bar is converted to the displacement of guide rod, and survey by displacement sensor Determine elongation;Structure is simple, is easily achieved, applied widely, easy to adjust, adaptive flexible movements, reflects bolt elongate amount It is more accurate.
Detailed description of the invention
Fig. 1 is the structure chart of bolt elongate amount detecting device of the present invention;
In figure: 1. handles, 2. scalable locating pieces, 3. adjustment axis, 4. bolts, 5. fastening screws, 6. hosts, 7. displacement sensings Device, 8. connector sleeves, 9. guide rods, 10. positioning and guiding bars, 11. adjusting screws.
Specific embodiment
The present invention will be further explained 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, and bolt 4 to be detected includes 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 sensor 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, positioning 22 free end end face of portion is precision plane, for positioning the nut 41 of bolt 4 to be detected, positioning region 22 position end face be provided with The location structure that 41 end of nut of bolt 4 to be detected matches;
21 one end of mobile bar is connect with positioning region 22, is threaded through in the circular hole of other end handle 1, along 4 length side of bolt to be detected To arrangement, and can axially be moved along 4 length direction of bolt to be detected;
Accurate rack gear is provided in the mobile bar 21;The gear matched with 21 rack gear of mobile bar is set on the adjustment axis 3, The gear is meshed with the rack gear, rotates the displacement with carry-over bar by adjusting the gear of axis 3, it is described scalable fixed to drive Position block 2 is axially slided along 4 length direction of bolt to be detected.According to the length of bolt to be detected, adjust scalable locating piece 2 with The distance between 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;The scalable locating piece 2 is arranged axially in described 1 one end of handle The circular hole of precision sliding, the adjustment fixation hole of axis 3, the fastening screw 5 threaded hole;1 other end of handle is set Set 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 spiral shell Line.
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 a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (10)

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 placed in described In the pilot hole of handle, it is set as accurate end face close to scalable locating piece end, for positioning the screw rod of the bolt to be detected End.
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 1, 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.
10. a kind of bolt elongate amount detection systems, it is characterised in that: including the described in any item bolt elongates of claim 1-9 Amount detecting device further includes host, realizes that wireless signal passes by ZIGBEE, bluetooth between institute displacement sensors and host It is defeated.
CN201810988104.6A 2018-08-28 2018-08-28 Bolt elongation detection device Active CN109059830B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810988104.6A CN109059830B (en) 2018-08-28 2018-08-28 Bolt elongation detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810988104.6A CN109059830B (en) 2018-08-28 2018-08-28 Bolt elongation detection device

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CN109059830A true CN109059830A (en) 2018-12-21
CN109059830B CN109059830B (en) 2020-05-08

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CN110095064A (en) * 2019-05-15 2019-08-06 江苏徐工工程机械研究院有限公司 Spiral line detection device
CN110672050A (en) * 2019-08-22 2020-01-10 上海航天设备制造总厂有限公司 Device and method capable of accurately adjusting and measuring length of telescopic rod of ring head screw

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Publication number Priority date Publication date Assignee Title
CN110095064A (en) * 2019-05-15 2019-08-06 江苏徐工工程机械研究院有限公司 Spiral line detection device
CN110095064B (en) * 2019-05-15 2024-02-02 江苏徐工工程机械研究院有限公司 Spiral line detection device
CN110672050A (en) * 2019-08-22 2020-01-10 上海航天设备制造总厂有限公司 Device and method capable of accurately adjusting and measuring length of telescopic rod of ring head screw
CN110672050B (en) * 2019-08-22 2021-08-10 上海航天设备制造总厂有限公司 Device and method capable of accurately adjusting and measuring length of telescopic rod of ring head screw

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Effective date of registration: 20220718

Address after: No.26 tuolanshan Road, Xuzhou Economic and Technological Development Zone, Xuzhou City, Jiangsu Province

Patentee after: Jiangsu Xugong Construction 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.