CN205175603U - It is fixed device and stud shaft power is measured device for stud shaft power is measured - Google Patents
It is fixed device and stud shaft power is measured device for stud shaft power is measured Download PDFInfo
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- CN205175603U CN205175603U CN201520933998.0U CN201520933998U CN205175603U CN 205175603 U CN205175603 U CN 205175603U CN 201520933998 U CN201520933998 U CN 201520933998U CN 205175603 U CN205175603 U CN 205175603U
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- connecting portion
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- axial force
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- shell head
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Abstract
The utility model relates to a measuring device field discloses an it is fixed device and stud shaft power is measured device for stud shaft power is measured for stud shaft power measuring fixing device includes spiral shell head mounting (21) and screw rod mounting (22), spiral shell head mounting (21) is including spiral shell head connecting portion (211) and first fixture connecting portion (212), screw rod mounting (22) are including screw rod cooperation portion and second fixture connecting portion (222). The utility model provides a fixing device can fixing bolt spiral shell head and screw rod, when adopting the tensile fixing device of measuring device such as stretcher, can simulate the stretching effect of the bolt among the bolt assembling process, consequently, through simply the utility model provides a stud shaft force measurement just can be accomplished to device such as fixing device and stretcher to reduce the required cost of the stud shaft power of measuring.
Description
Technical field
The utility model relates to measurement mechanism field, particularly, relates in a kind of bolt axial force measuring process for the stationary installation for bolt axial force measurement of set bolt and the bolt axial force measurement mechanism comprising this stationary installation.
Background technology
Bolt axial force is for making bolt according to when being threaded in threaded hole when tightening nuts, the elastic force produced between bolt elastic region, bolt axial force ensures that part reliably connects and a normal important parameter working, therefore research bolt just needs to study the relation between axle power that elastic deformation amount in bolt tension process and bolt provide.At present, there is special bolt axial force measuring instrument, but it is very expensive, special bolt producer is generally only had just to have, and the factory that most of machinery is correlated with is not owing to needing often to measure bolt axial force, therefore buy bolt axial force measuring instrument and cause cost burden, but sometimes must measure bolt axial force again in real work.
Therefore, there is a need in the field to provide a kind of lower-cost bolt axial force measurement mechanism.
Utility model content
The purpose of this utility model is to provide a kind of stationary installation measured for bolt axial force, this is used for stationary installation that bolt axial force measures can the spiral shell head of set bolt and screw rod, during by measurement mechanism stretching stationary installations such as drawing machines, so that the drawing effect of the bolt in bolts assemblies process can be simulated, thus reduce the cost measured needed for bolt axial force.
The purpose of this utility model is and provides a kind of bolt axial force measurement mechanism, and this bolt axial force measurement mechanism can be measured the parameter such as pulling force, deflection of bolt and measure bolt axial force, and this bolt axial force measurement mechanism cost is low.
To achieve these goals, the utility model provides a kind of stationary installation measured for bolt axial force, wherein, this stationary installation comprises spiral shell head fixture and screw rod fixture, described spiral shell head fixture comprises spiral shell head connecting portion and the first jig connecting portion, and described screw rod fixture comprises screw rod auxiliary section and the second jig connecting portion.
Preferably, described spiral shell head connecting portion is formed with enterable container cavity, the diapire of described spiral shell head connecting portion offers the mounting hole be communicated with described container cavity.
Preferably, the sidewall of described spiral shell head connecting portion is formed with the opening be communicated with described container cavity, described mounting hole to the described sidewall of described spiral shell head connecting portion extend and with described open communication.
Preferably, described screw rod auxiliary section comprises the internal thread hole be formed on described screw rod fixture.
Preferably, the outside surface of described first jig connecting portion and described second jig connecting portion is all formed with external thread.
Preferably, described spiral shell head connecting portion is removably connected with described first jig connecting portion.
The utility model provides again a kind of bolt axial force measurement mechanism, wherein, described bolt axial force measurement mechanism comprises the stationary installation measured for bolt axial force that drawing machine and the utility model provide, described drawing machine comprises two jigs, and two described jigs can clamp the described first jig connecting portion of described spiral shell head fixture and the described second jig connecting portion of described screw rod fixture respectively.
Preferably, described bolt axial force measurement mechanism also comprises bolt length measurement mechanism.
Preferably, described bolt length measurement mechanism is ultrasonic sensor.
Preferably, described bolt length measurement mechanism is arranged in described container cavity.
Pass through technique scheme, the stationary installation that the utility model provides can the spiral shell head of set bolt and screw rod, when adopting the measurement mechanism stretching stationary installations such as drawing machine, the drawing effect of the bolt in bolts assemblies process can be simulated, therefore, the devices such as the stationary installation provided by simple the utility model and drawing machine just can complete the measurement of bolt axial force, do not need to use special equipment, reduce the cost measured needed for bolt axial force.
Other features and advantages of the utility model are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for instructions, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is the stationary installation measured for bolt axial force that provides of the utility model and assembling schematic diagram between bolt and the jig of drawing machine.
Fig. 2 be the utility model provide for bolt axial force measure stationary installation and bolt between assembling schematic diagram.
Fig. 3 is the structural representation of the spiral shell head fixture of the stationary installation for bolt axial force measurement that the utility model provides.
Fig. 4 is the structural representation of the screw rod fixture of the stationary installation for bolt axial force measurement that the utility model provides.
Description of reference numerals
1 jig 21 spiral shell head fixture
211 spiral shell head connecting portion 212 first jig connecting portions
213 mounting hole 214 container cavities
22 screw rod fixture 221 internal thread holes
222 second jig connecting portion 31 spiral shell heads
32 screw rod 4 ultrasonic sensors
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
Below, what provided by the utility model of detailed description referring to figs. 1 through Fig. 4 is used for the stationary installation that bolt axial force is measured and the bolt axial force measurement mechanism comprising this stationary installation.
The utility model provides a kind of stationary installation measured for bolt axial force, this stationary installation comprises spiral shell head fixture 21 and screw rod fixture 22, wherein, spiral shell head fixture 21 comprises spiral shell head connecting portion 211 and the first jig connecting portion 212, and screw rod fixture 22 comprises screw rod auxiliary section and the second jig connecting portion 222.Stationary installation described in simple declaration is used for the words of the process that bolt axial force is measured, the spiral shell head 31 of bolt is connected on spiral shell head connecting portion 211, the screw rod 32 of bolt is connected on the screw rod auxiliary section of screw rod connecting portion, the measurement mechanisms such as drawing machine are adopted to clamp the first jig connecting portion 212 and the second jig connecting portion 222 afterwards, and stretch round about along the axis of spiral shell head 31 and screw rod 32, now the measurement mechanism such as drawing machine can measure the parameter values relevant to bolt axial force such as pulling force, deflection, bolt length etc. in bolt tension process.As for concrete shape and the size of spiral shell head fixture 21 and screw rod fixture 22, the utility model does not limit.
Preferably, the axis of the axis of the first jig connecting portion 212 of spiral shell head fixture 21, the second jig connecting portion 222 of screw rod fixture 22, with the axis collinear of the bolt be arranged in this stationary installation, can guarantee that, when drawing machine carries out stretched operation by this stationary installation to bolt, this acting force is along the axis effect of bolt like this.
The stationary installation that the utility model provides can the spiral shell head 31 of set bolt and screw rod 32, when adopting the measurement mechanism stretching stationary installations such as drawing machine, the drawing effect of the bolt in bolts assemblies process can be simulated, therefore, the devices such as the stationary installation provided by simple the utility model and drawing machine just can complete the measurement of bolt axial force, thus reduce the cost measured needed for bolt axial force.
As a kind of preferred implementation, with reference to Fig. 2 and Fig. 3, in stationary installation of the present utility model, spiral shell head connecting portion 211 is formed with enterable container cavity 214, the diapire of spiral shell head connecting portion 211 offers the mounting hole 213 be communicated with container cavity 214.Before carrying out stretching operation, bolt is inserted in mounting hole 213 by enterable container cavity 214, in the process, make the screw rod 32 of bolt by mounting hole 213, and the spiral shell head 31 of bolt is not stuck in container cavity 214 by mounting hole 213.Be stuck on spiral shell head connecting portion 211 to make the spiral shell head 31 of bolt by means of only the size of mounting hole 214, the size of mounting hole 213 is preferably its diameter and is greater than the diameter of the screw rod 32 of bolt and is less than the minimum diameter of spiral shell head 31, but the utility model is not limited thereto, the structures such as such as pad can also be utilized to assist the spiral shell head 31 of bolt is stuck in the container cavity 214 of spiral shell head connecting portion 211.
Further, in order to rapidly bolt is arranged in stationary installation that the utility model provides, as a kind of preferred implementation, with reference to Fig. 3, the sidewall of spiral shell head connecting portion 211 is formed with the opening be communicated with container cavity 214, sidewall from mounting hole 213 to spiral shell head connecting portion 211 extend and with described open communication.Under this structure, bolt can connect from the straight wall of spiral shell head connecting portion 211 and be inserted into mounting hole 213, and the operation of inserting bolt is very simple and quick.
The utility model provides a kind of stationary installation measured for bolt axial force of preferred implementation, with reference to Fig. 2 to Fig. 4, spiral shell head connecting portion 211 is the right cylinder of hollow, the sidewall of spiral shell head connecting portion 211 is formed two relative openings, the diapire of spiral shell head connecting portion 211 is provided with mounting hole 213, sidewall from this mounting hole 213 to spiral shell head connecting portion 211 extend and with an open communication in two openings, that is, described mounting hole 213 only has side to be open, and opposite side is closed by the diapire of spiral shell head connecting portion 211.In addition, first jig connecting portion 212 and the second jig connecting portion 222 are cylindric, and static friction between the stationary installation provided in order to the jig and the utility model that improve drawing machine during drawing process and prevent from mutually coming off, the outside surface of the first jig connecting portion 212 and the second jig connecting portion 222 all can be formed with external thread, but the mode improving stiction is not limited thereto.
In addition, with reference to Fig. 4, screw rod auxiliary section can be formed in internal thread hole 221 on screw rod fixture 22 to be threaded with the screw rod 32 of bolt, thus screw rod auxiliary section and screw rod 32 can reliably be fixed.
In addition, preferably, spiral shell head connecting portion 211 is removably connected with the first jig connecting portion 212, when because damaging or adopting stretching tool or the bolt of variety classes or size, can change spiral shell head connecting portion 211 or the first jig connecting portion 212 individually.As a kind of embodiment, the upper wall of spiral shell head connecting portion 211 is provided with opening, this opening is provided with internal thread, now, an opening as the passage making bolt enter container cavity 214, can either can be used as again the syndeton carrying out with the first jig connecting portion 212 being connected.
The utility model provides again a kind of bolt axial force measurement mechanism, this bolt axial force measurement mechanism comprises the stationary installation measured for bolt axial force that drawing machine and the utility model provide, drawing machine comprises the described jig 1 of two jigs 1, two respectively can the first jig connecting portion 212 of clamping screw head fixture 21 and the second jig connecting portion 222 of screw rod fixture 22.
Below, the operating process of bolt axial force measurement mechanism simple declaration the utility model provided.First, the spiral shell head 31 of bolt is connected on the spiral shell head connecting portion 211 of the spiral shell head fixture 21 of stationary installation, the screw rod 32 of bolt is connected on the screw rod auxiliary section of the screw rod fixture 22 of stationary installation, after completing the connection between bolt and stationary installation, adopt the first jig connecting portion 212 and the second jig connecting portion 222 of two the jigs 1 difference clamping and fixing devices stretched, and stretch round about along spiral shell head 31 and screw rod 32 axis, now drawing machine can measure the pulling force in bolt tension process, deflection, the parameter that bolt length etc. are relevant to bolt axial force, thus can bolt axial force be measured.
The stationary installation of the simple structure that the bolt axial force measurement mechanism that the utility model provides is provided by the utility model of drawing machine just can measure bolt axial force, and its cost is lower.
In addition, the accuracy of bolt axial force comes from the degree of accuracy of relative parameters, and in order to obtain more accurate bolt axial force, bolt axial force measurement mechanism of the present utility model can also comprise the bolt length measurement mechanism of good measuring accuracy.
Preferably, bolt length measurement mechanism is preferably ultrasonic sensor 4, and this ultrasonic sensor 4 is arranged on the end face center of the spiral shell head 31 of bolt, and when bolt is stretched, ultrasonic sensor 4 can obtain bolt length data in real time.
In addition; bolt length measurement mechanism is arranged in the container cavity 214 of spiral shell head connecting portion 211 of stationary installation; bolt length measurement mechanism can be made; particularly ultrasonic sensor 4 contacts bolt and measures in real time; in addition, bolt length measurement mechanism also can obtain the protection of the shell of spiral shell head connecting portion 211 in container cavity 214.
Below preferred implementation of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. the stationary installation measured for bolt axial force, it is characterized in that, this stationary installation comprises spiral shell head fixture (21) and screw rod fixture (22), described spiral shell head fixture (21) comprises spiral shell head connecting portion (211) and the first jig connecting portion (212), and described screw rod fixture (22) comprises screw rod auxiliary section and the second jig connecting portion (222).
2. the stationary installation measured for bolt axial force according to claim 1, it is characterized in that, described spiral shell head connecting portion (211) is formed with enterable container cavity (214), the diapire of described spiral shell head connecting portion (211) offers the mounting hole (213) be communicated with described container cavity (214).
3. the stationary installation measured for bolt axial force according to claim 2, it is characterized in that, the sidewall of described spiral shell head connecting portion (211) is formed with the opening be communicated with described container cavity (214), described mounting hole (213) to the described sidewall of described spiral shell head connecting portion (211) extend and with described open communication.
4. the stationary installation measured for bolt axial force according to claim 2, it is characterized in that, described screw rod auxiliary section comprises the internal thread hole (221) be formed on described screw rod fixture (22).
5. the stationary installation measured for bolt axial force according to claim 2, is characterized in that, the outside surface of described first jig connecting portion (212) and described second jig connecting portion (222) is all formed with external thread.
6. the stationary installation measured for bolt axial force according to claim 2, it is characterized in that, described spiral shell head connecting portion (211) is removably connected with described first jig connecting portion (212).
7. a bolt axial force measurement mechanism, it is characterized in that, described bolt axial force measurement mechanism comprise drawing machine and according in claim 2-6 described in any one for bolt axial force measure stationary installation, described drawing machine comprises two jigs (1), and two described jigs (1) can clamp the described first jig connecting portion (212) of described spiral shell head fixture (21) and the described second jig connecting portion (222) of described screw rod fixture (22) respectively.
8. bolt axial force measurement mechanism according to claim 7, is characterized in that, described bolt axial force measurement mechanism also comprises bolt length measurement mechanism.
9. bolt axial force measurement mechanism according to claim 8, is characterized in that, described bolt length measurement mechanism is ultrasonic sensor (4).
10. bolt axial force measurement mechanism according to claim 8 or claim 9, it is characterized in that, described bolt length measurement mechanism is arranged in described container cavity (214).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520933998.0U CN205175603U (en) | 2015-11-20 | 2015-11-20 | It is fixed device and stud shaft power is measured device for stud shaft power is measured |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520933998.0U CN205175603U (en) | 2015-11-20 | 2015-11-20 | It is fixed device and stud shaft power is measured device for stud shaft power is measured |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205175603U true CN205175603U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520933998.0U Active CN205175603U (en) | 2015-11-20 | 2015-11-20 | It is fixed device and stud shaft power is measured device for stud shaft power is measured |
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| CN (1) | CN205175603U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490449A (en) * | 2016-10-13 | 2017-12-19 | 宝沃汽车（中国）有限公司 | Bolt axially outer load measurement method, device and system |
| CN107748031A (en) * | 2017-09-14 | 2018-03-02 | 中铁大桥科学研究院有限公司 | A kind of cord clip of suspension bridge screw rod axle power detection servicing unit and detection method |
| CN108572040A (en) * | 2018-04-23 | 2018-09-25 | 北京交通大学 | A kind of detection method, detecting system and the detection device of in-service bolt axial force |
| CN110374003A (en) * | 2019-07-04 | 2019-10-25 | 中铁大桥科学研究院有限公司 | A kind of cord clip of suspension bridge screw rod axle power synchronous construction system and its application method |
| CN110418948A (en) * | 2018-02-28 | 2019-11-05 | 株式会社东日制作所 | Pulling device |
| CN110793691A (en) * | 2018-08-03 | 2020-02-14 | 本田技研工业株式会社 | Fastening device |
-
2015
- 2015-11-20 CN CN201520933998.0U patent/CN205175603U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490449A (en) * | 2016-10-13 | 2017-12-19 | 宝沃汽车（中国）有限公司 | Bolt axially outer load measurement method, device and system |
| CN107748031A (en) * | 2017-09-14 | 2018-03-02 | 中铁大桥科学研究院有限公司 | A kind of cord clip of suspension bridge screw rod axle power detection servicing unit and detection method |
| CN110418948A (en) * | 2018-02-28 | 2019-11-05 | 株式会社东日制作所 | Pulling device |
| US10828759B2 (en) | 2018-02-28 | 2020-11-10 | Tohnichi Mfg. Co., Ltd. | Tensioning device |
| CN110418948B (en) * | 2018-02-28 | 2021-05-07 | 株式会社东日制作所 | Pulling device |
| CN108572040A (en) * | 2018-04-23 | 2018-09-25 | 北京交通大学 | A kind of detection method, detecting system and the detection device of in-service bolt axial force |
| CN110793691A (en) * | 2018-08-03 | 2020-02-14 | 本田技研工业株式会社 | Fastening device |
| US11179833B2 (en) | 2018-08-03 | 2021-11-23 | Honda Motor Co., Ltd. | Tightening device |
| CN110374003A (en) * | 2019-07-04 | 2019-10-25 | 中铁大桥科学研究院有限公司 | A kind of cord clip of suspension bridge screw rod axle power synchronous construction system and its application method |
| CN110374003B (en) * | 2019-07-04 | 2021-04-27 | 中铁大桥科学研究院有限公司 | Suspension bridge cable clamp screw axial force synchronous construction system and use method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |