CN204044044U - A kind of bolt friction coefficient measuring apparatus - Google Patents
A kind of bolt friction coefficient measuring apparatus Download PDFInfo
- Publication number
- CN204044044U CN204044044U CN201420429864.0U CN201420429864U CN204044044U CN 204044044 U CN204044044 U CN 204044044U CN 201420429864 U CN201420429864 U CN 201420429864U CN 204044044 U CN204044044 U CN 204044044U
- Authority
- CN
- China
- Prior art keywords
- pad
- bolt
- axial force
- torque sensor
- force sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model proposes a kind of bolt friction coefficient measuring apparatus, relate to the technical field of friction factor checkout equipment, existing bolt friction coefficient measuring apparatus volume is large in order to solve, the problem of the heavy and low precision of quality; This bolt friction coefficient measuring apparatus comprises base plate, axial force sensor and torque sensor, base plate is arranged with the first back up pad and the second back up pad in parallel, one end of torque sensor is fixed in the first back up pad, its other end is connected with the second back up pad, torque sensor nested inside is connected with axial force sensor, the other end of axial force sensor is also fixed in the first back up pad, is provided with bolt collar in axial force sensor; In the utility model, torque sensor is connected with axial force sensor nested type, the moment of torsion that tested bolt produces is applied directly on torque sensor, this nested type syndeton, loss of machine of torque is down to minimum, measuring accuracy significantly improves, and, its volume obviously reduces, weight also alleviates greatly, carries easily, easy to use.
Description
Technical field
The utility model relates to the technical field of friction factor checkout equipment, refers to a kind of bolt friction coefficient measuring apparatus especially.
Background technology
Be threaded (as bolt connection, screw connection, stud bolt connection etc.) because of strength of joint high, be convenient to handling and with low cost, become in mechanical system assembling link and applied the most typical, one of connected mode the most widely, the quality of the quality that is threaded directly affects the quality of engineering goods overall performance.Common screwed tight method mainly contains: calibrated wrench method, moment of torsion/angle method, yield point control methods and bolt elongate amount control methods etc., and wherein, calibrated wrench method adds carried convenient because of it and is easy to control, and is widely used in the middle of engineering reality.
In bolt installation and fastening process, affecting the main factor of fastening effect is friction subsurface power, friction is on the one hand the locking necessary condition of screw thread self-locking, friction consumes a large amount of moment of torsion (energy) thus affects bolt axial force on the other hand, therefore, friction factor is an important indicator of bolt.
Existing bolt friction coefficient measuring apparatus is primarily of torque sensor and axial force sensor composition, and torque sensor is connected with axial force sensor by driver plate; This bolt friction coefficient measuring apparatus volume is too large, and size reaches 550 × 400 × 258mm, and the quality of whole measuring instrument reaches about 150Kg, quality weight, and carrying is inconvenient.And its torsional forces passes to torque sensor, because driver plate self has gravity by counter-force fulcrum by 4 pieces of middle driver plates, be subject to the impact of gravity, the power finally passed on torque sensor has loss, causes loss of significance, thus causes its measuring accuracy poor.
Utility model content
The utility model proposes a kind of bolt friction coefficient measuring apparatus, solve that bolt friction coefficient measuring apparatus volume in prior art is large, the problem of the heavy and low precision of quality.
The technical solution of the utility model is achieved in that and comprises base plate, also comprises axial force sensor and torque sensor; Described base plate is provided with the first back up pad and the second back up pad, and described first back up pad and described second back up pad be arranged in parallel; One end of described torque sensor is fixed in described first back up pad, and the described torque sensor other end is connected with described second back up pad; Described torque sensor nested inside is connected with described axial force sensor, and the other end of described axial force sensor is also fixed in described first back up pad; Be provided with the bolt collar with tested bolt adaptation in described axial force sensor, described bolt collar outside surface contacts with the inside surface of described torque sensor with the inside surface of described axial force sensor respectively and connects.
The utility model fixes the first back up pad and the second back up pad on base plate, by the first back up pad and the second back up pad torque sensor supported and fix, torque sensor nested inside is connected with axial force sensor, the inner adaptation of axial force sensor has bolt collar, according to type and the model of tested bolt, select different bolt collars; Bolt collar is assembled to the inside of measuring instrument along one end of torque sensor, tested bolt adaptive is with it put in bolt collar from the entrance of bolt collar, and the nut of tested bolt is fixed; Pressing plate adaptive with it and nut are installed successively, rotating nut in the bottom of tested bolt, thus the assembling process of simulation bolt; Under the effect of the pretightning force that bolt applies at nut, its axial force is passed to axial sensor by bolt collar, meanwhile, its torsional forces is also passed to torque sensor by bolt collar, thus measure the friction factor of tested bolt; This nested type syndeton, loss of machine of torque is down to minimum, measuring accuracy significantly improves, and its volume obviously reduces, and weight also alleviates greatly, carries easily, easy to use.
As the preferred embodiment of one, described torque sensor is connected with described second back up pad by ball bearing, and described torque sensor is fixedly connected with described first back up pad by the second bolt; Described axial force sensor is fixedly connected with described first back up pad by the first bolt.The connection of torque sensor and the first back up pad is simple, convenient installation; Torque sensor is connected with the second back up pad by bearing, reduce further the loss of machine of torque that tested bolt passes to torque sensor, ensure that the precision of torque sensor to greatest extent, and the measuring accuracy of measuring instrument is improved further.Axial force sensor is for responding to the axial force of tested bolt, axial force sensor passes through the first hung bolt in the first back up pad, it is made to be socketed in torque sensor inside, after the size amplification of torque sensor, axial force sensor is socketed therein easily, and be fixed by the first back up pad, it is easy for installation.
As the preferred embodiment of one, described first back up pad is provided with the first through hole, and described second back up pad is provided with the second through hole, and the center of described first through hole and described second through hole in the same horizontal line; The center of described torque sensor and the center superposition of described second through hole, the center of described axial force sensor and the center superposition of described first through hole.Torque sensor is horizontally set between the first back up pad and the second back up pad, and the first through hole and the second through hole are corresponding with the export and import of torque sensor respectively; Axial force sensor also horizontal nest is inner at torque sensor, and the first through hole is the outlet of tested stud base, for installing the accessories such as pressing plate, under the adaptation effect of pressing plate and nut, thus completes the surveying work of bolt friction factor.
As the preferred embodiment of one, described first back up pad is fixedly connected with described base plate respectively by the 3rd bolt with described second back up pad.Bottom first back up pad and be all bolted on base plate by the 3rd bottom the second back up pad, the first back up pad and the second back up pad are directly vertically fixed on base plate, install simple, economize in raw materials, fixing solid.
As the preferred embodiment of one, also comprise instrument, described torque sensor and described axial force sensor respectively with described Instrument connection.Torque sensor and axial force sensor are connected in instrument respectively by data line, the torque data that torque sensor senses and the axle force data that axial force sensor senses calculate corresponding friction factor by instrument, and the numerical value of friction factor is shown in instrument, thus the data of friction factor can be obtained very intuitively.
As the preferred embodiment of one, described first back up pad and described second back up pad upper end are also provided with top panel, and described top panel and described base plate be arranged in parallel, and described instrument is positioned on described top panel.The setting of top panel, on the one hand, can be used as worktable, for placing instrument; On the other hand, available protecting can also be carried out to torque sensor, prevent from dust and drip falling on torque sensor.
As the preferred embodiment of one, be also provided with the 3rd back up pad and the 4th back up pad between described first back up pad and described second back up pad, described 3rd back up pad and described 4th back up pad be arranged in parallel.First back up pad, the 3rd back up pad, the second back up pad and the 4th back up pad surround a quadrangular; under the cooperation of base plate and top panel; measuring instrument is made to form a case structure; this enclosed housing fully can carry out available protecting to the sensor of measuring instrument inside, components and parts, fully ensures the precision of measuring instrument.
As the preferred embodiment of one, bottom described base plate, be also symmetrically arranged with four legs.Four legs support base plate, make base plate depart from ground and place, be convenient to the carrying of measuring instrument; Meanwhile, the setting of leg also can be protected base plate effectively, thus extends the serviceable life of measuring instrument.
As the preferred embodiment of one, described torque sensor and described axial force sensor are integrated setting.Torque sensor and axial force sensor are integrated into a sensor, are arranged between the first back up pad and the second back up pad, easier for installation.
As the preferred embodiment of one, described bolt collar comprises end, body and base, described end and described torque sensor adaptation, described body and described axial force sensor adaptation, described base is provided with draw-in groove, and described draw-in groove is used for the axial restraint of tested bolt.The outside surface of end and the inside surface adaptation of torque sensor, make the twisting resistance of tested bolt directly pass to torque sensor by bolt collar; The outside surface of body and the inside surface adaptation of axial force sensor, make the axial force of tested bolt directly pass to axial force sensor by bolt collar; The inside surface of body and the nut adaptation of tested bolt head, its size is just in time coincide, and facilitates tested bolt to pass through; Base is provided with perforation, and the size of this perforation is less than the size of body inside, and its nut is stuck by perforation to make the bolt head of tested bolt, and tested bolt achieves axial restraint under the effect of draw-in groove and pad.
Principle of work: select, with the bolt collar of tested bolt adaptation, bolt collar to be inserted the inside of measuring instrument along the second through hole; Tested bolt is put into bolt collar inside from the second through hole, and makes the nut of tested bolt head stick into the draw-in groove on bolt collar base, to be fixed it; At tested stud base, pressing plate adaptive with it and nut are installed successively, by the tested bolt of nut pretension, thus the assembling process of simulation bolt; The axial force that tested bolt is experienced is directly passed to axial force sensor by bolt collar, simultaneously, the torsional forces that tested bolt is experienced also is directly passed to torque sensor by bolt collar, and in the instrument of measuring instrument top panel, directly show the numerical value of friction factor, thus complete the measurement of tested bolt friction factor.
The beneficial effects of the utility model: the utility model is by torque sensor and the direct nested encryptions of axial force sensor, the axial force that tested bolt produces is applied directly on axial force sensor, the moment of torsion that tested bolt produces is applied directly on torque sensor, this nested type syndeton, loss of machine of torque is down to minimum, measuring accuracy significantly improves, and, its volume obviously reduces, and weight also alleviates greatly, carries easily; Meanwhile, torque sensor is also connected with the second back up pad by bearing, reduce further the loss of machine of torque that tested bolt passes to torque sensor, ensure that the precision of torque sensor to greatest extent, and the measuring accuracy of measuring instrument is improved further; Whole measuring instrument structure is simple, easy for installation, easy to use.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the left TV structure schematic diagram of the utility model embodiment;
Fig. 2 is the main TV structure schematic diagram of Fig. 1;
Fig. 3 be in Fig. 2 A-A to sectional structure schematic diagram;
Fig. 4 be Fig. 3 in working order under structural representation;
Fig. 5 is the perspective view of bolt collar in Fig. 4;
In figure: 1-first back up pad; 2-first bolt; 3-axial force sensor; 4-second bolt; 5-torque sensor; 6-bearing; 7-second back up pad; 8-base plate; 9-leg; 10-the 3rd bolt; 11-bolt collar; The tested bolt of 12-; 13-pressing plate; 14-nut; 111-end; 112-body; 113-base; 114-draw-in groove.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Accompanying drawings 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4 and accompanying drawing 5, the utility model comprises base plate 8, also comprises axial force sensor 3 and torque sensor 5; Described base plate 8 is provided with the first back up pad 1 and the second back up pad 7, described first back up pad 1 is provided with the first through hole, described second back up pad 7 is provided with the second through hole, described first back up pad 1 and described second back up pad 7 be arranged in parallel, and the center of described first through hole and described second through hole in the same horizontal line; One end of described torque sensor 5 is fixed in described first back up pad 1, and described torque sensor 5 other end is connected with described second back up pad 7, the center of described torque sensor 5 and the center superposition of described second through hole; Described torque sensor 5 nested inside is connected with described axial force sensor 3, and the other end of described axial force sensor 3 is also fixed in described first back up pad 1, the center of described axial force sensor 3 and the center superposition of described first through hole; The center line of the first through hole, the second through hole, axial force sensor 3 and torque sensor 5 all overlaps, and on a horizontal line, thus is conducive to the error eliminating vergence direction; The setting of the first through hole and the second through hole, facilitates the detection of tested bolt 12, meanwhile, is also conducive to the installation of torque sensor 5 and axial force sensor 3.
Accompanying drawings 4 and accompanying drawing 5, be provided with the bolt collar 11 with tested bolt 12 adaptation in described axial force sensor 3, described bolt collar 11 outside surface contacts with the inside surface of described torque sensor 5 with the inside surface of described axial force sensor 3 respectively and connects; It is inner that tested bolt 12 puts into bolt collar 11 from the second through hole, is provided with pressing plate 13 and nut 14 bottom tested bolt 12 successively; Described bolt collar 11 comprises end 111, body 112 and base 113, described end 111 is adaptive with described torque sensor 5, in the present embodiment, described end 111 outside surface is that hexagonal prism is arranged, described torque sensor 5 is that interior hexagonal prism is arranged with junction, described end 111, the outside surface of described end 111 contacts with the inside surface of described torque sensor 5 and connects, end 111 and torque sensor 5 simplicity of design, easily adaptive; Described body 112 is adaptive with described axial force sensor 3, in the present embodiment, described body 112 outside surface is that column type is arranged, described axial force sensor 3 inside surface is also arranged in column type, the outside surface of described body 112 contacts with the inside surface of described axial force sensor 3 and connects, body 112 and axial force sensor 3 simplicity of design, easily adaptive; The inside surface of body 112 and the nut adaptation of tested bolt 12 head, its size is just in time coincide; Base 113 is provided with perforation, and the size of this perforation is less than the size of body 112 inside, and its nut is stuck by perforation to make the bolt head of tested bolt 12; Described base 113 is also provided with draw-in groove 114, and described draw-in groove 114 is for the axial restraint of tested bolt 12; Tested bolt 12 achieves axial restraint under the effect of draw-in groove 114 and pad.Under the effect of the pretightning force that tested bolt 12 applies at nut 14, directly its axial force is passed to axial force sensor 3 by bolt collar 11, meanwhile, its torsional forces is passed to torque sensor 5 by bolt collar 11, thus measure its friction factor.
Accompanying drawings 3 and accompanying drawing 4, described torque sensor 5 is connected with described second back up pad 7 by ball bearing 6, one end of torque sensor 5 is arranged on by bearing 6 in second through hole of the second back up pad 7, and the other end of described torque sensor 5 is fixedly connected with described first back up pad 1 by the second bolt 4; Described axial force sensor 3 is fixedly connected with described first back up pad 1 by the first bolt 2.Described first back up pad 1 is fixedly connected with described base plate 8 respectively by the 3rd bolt 10 with described second back up pad 7.Four legs 9 are also symmetrically arranged with bottom described base plate 8,3rd bolt 10 can be arranged on the inside of four legs 9, leg 9 is also fixed on the bottom of base plate 8 by the 3rd bolt 10 while first back up pad 1 or the second back up pad 7 are fixed, thus makes installation simple, saves trouble; Because leg 9 is less, the 3rd bolt 10 can also be directly used in fixed base plate 8 and the first back up pad 1 or fixed base plate 8 and the second back up pad 7.
This bolt friction coefficient measuring apparatus also comprises instrument, described torque sensor 5 and described axial force sensor 3 respectively with described Instrument connection.The torque data that instrument senses according to torque sensor 5 and the axle force data that axial force sensor 3 senses,
and calculate friction factor, the numerical value of friction factor is shown in instrument.Described first back up pad 1 and described second back up pad 7 upper end are also provided with top panel, and described top panel and described base plate 8 be arranged in parallel, and described instrument is positioned on described top panel.Also be provided with the 3rd back up pad and the 4th back up pad between described first back up pad 1 and described second back up pad 7, described 3rd back up pad and described 4th back up pad be arranged in parallel.First back up pad 1, the 3rd back up pad, the second back up pad 7, the 4th back up pad, top panel and base plate 8 surround a hexahedron case structure, can fully protect the torque sensor 5 of its inside and axial force sensor 3, meanwhile, also easy to use.
Certainly, described torque sensor 5 and described axial force sensor 3 also can be integrated setting.Torque sensor 5 and axial force sensor 3 are integrated into a sensor, are arranged between the first back up pad 1 and the second back up pad 7, easier for installation.
Principle of work: select, with the bolt collar 11 of tested bolt 12 adaptation, bolt collar 11 to be inserted the inside of measuring instrument along the second through hole; Tested bolt 12 is put into bolt collar 11 from the second through hole inner, and make the nut of tested bolt 12 head stick into the draw-in groove 114 on bolt collar 11 base 113, to be fixed it; Pressing plate 13 adaptive with it and nut 14 are installed successively bottom tested bolt 12, by the tested bolt 12 of nut 14 pretension, thus the assembling process of simulation bolt; The axial force that tested bolt 12 is experienced is directly passed to axial force sensor 3 by bolt collar 11, simultaneously, the torsional forces that tested bolt 12 is experienced also is directly passed to torque sensor 5 by bolt collar 11, and in the instrument of measuring instrument top panel, directly show the numerical value of friction factor, thus complete the measurement of tested bolt 12 friction factor.
The beneficial effects of the utility model: the utility model is by torque sensor 5 and axial force sensor 3 directly nested encryptions, the axial force that tested bolt 12 produces is applied directly on axial force sensor 3, the moment of torsion that tested bolt 12 produces is applied directly on torque sensor 5, this nested type syndeton, loss of machine of torque is down to minimum, measuring accuracy significantly improves, and, its volume obviously reduces, and weight also alleviates greatly, carries easily; Meanwhile, torque sensor 5 is also connected with the second back up pad 7 by bearing 6, reduce further the loss of machine of torque that tested bolt 12 passes to torque sensor 5, ensure that the precision of torque sensor 5 to greatest extent, the measuring accuracy of measuring instrument is improved further; Whole measuring instrument structure is simple, easy for installation, easy to use.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a bolt friction coefficient measuring apparatus, comprises base plate, it is characterized in that: also comprise axial force sensor and torque sensor;
Described base plate is provided with the first back up pad and the second back up pad, and described first back up pad and described second back up pad be arranged in parallel;
One end of described torque sensor is fixed in described first back up pad, and the described torque sensor other end is connected with described second back up pad;
Described torque sensor nested inside is connected with described axial force sensor, and the other end of described axial force sensor is also fixed in described first back up pad;
Be provided with the bolt collar with tested bolt adaptation in described axial force sensor, described bolt collar outside surface contacts with the inside surface of described torque sensor with the inside surface of described axial force sensor respectively and connects.
2. bolt friction coefficient measuring apparatus according to claim 1, is characterized in that:
Described torque sensor is connected with described second back up pad by ball bearing, and described torque sensor is fixedly connected with described first back up pad by the second bolt;
Described axial force sensor is fixedly connected with described first back up pad by the first bolt.
3. bolt friction coefficient measuring apparatus according to claim 2, is characterized in that:
Described first back up pad is provided with the first through hole, and described second back up pad is provided with the second through hole, and the center of described first through hole and described second through hole in the same horizontal line;
The center of described torque sensor and the center superposition of described second through hole, the center of described axial force sensor and the center superposition of described first through hole.
4. bolt friction coefficient measuring apparatus according to claim 3, is characterized in that:
Described first back up pad is fixedly connected with described base plate respectively by the 3rd bolt with described second back up pad.
5. the bolt friction coefficient measuring apparatus according to claim 1-4 any one, is characterized in that:
Also comprise instrument, described torque sensor and described axial force sensor respectively with described Instrument connection.
6. bolt friction coefficient measuring apparatus according to claim 5, is characterized in that:
Described first back up pad and described second back up pad upper end are also provided with top panel, and described top panel and described base plate be arranged in parallel, and described instrument is positioned on described top panel.
7. bolt friction coefficient measuring apparatus according to claim 6, is characterized in that:
Also be provided with the 3rd back up pad and the 4th back up pad between described first back up pad and described second back up pad, described 3rd back up pad and described 4th back up pad be arranged in parallel.
8. bolt friction coefficient measuring apparatus according to claim 1, is characterized in that:
Four legs are also symmetrically arranged with bottom described base plate.
9. bolt friction coefficient measuring apparatus according to claim 1, is characterized in that:
Described torque sensor and described axial force sensor are integrated setting.
10. bolt friction coefficient measuring apparatus according to claim 1, is characterized in that:
Described bolt collar comprises end, body and base, described end and described torque sensor adaptation, and described body and described axial force sensor adaptation, described base is provided with draw-in groove, and described draw-in groove is used for the axial restraint of tested bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429864.0U CN204044044U (en) | 2014-07-31 | 2014-07-31 | A kind of bolt friction coefficient measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429864.0U CN204044044U (en) | 2014-07-31 | 2014-07-31 | A kind of bolt friction coefficient measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204044044U true CN204044044U (en) | 2014-12-24 |
Family
ID=52244695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420429864.0U Expired - Fee Related CN204044044U (en) | 2014-07-31 | 2014-07-31 | A kind of bolt friction coefficient measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204044044U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248572A (en) * | 2016-08-04 | 2016-12-21 | 安徽江淮汽车股份有限公司 | A kind of bolt friction coefficient measuring apparatus |
| CN107782489A (en) * | 2017-10-16 | 2018-03-09 | 郑州拽亘电子科技有限公司 | Bolt simulator and the moment of torsion plank calibrating installation using the simulator |
| CN108458825A (en) * | 2018-02-28 | 2018-08-28 | 易克威系统株式会社 | The axial force and friction torque measuring device of screw and the measurement method for utilizing the device |
| CN109470773A (en) * | 2018-12-13 | 2019-03-15 | 深圳市德航智能技术有限公司 | A kind of caliberating device and its working method of ultrasonic detecting probe |
-
2014
- 2014-07-31 CN CN201420429864.0U patent/CN204044044U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248572A (en) * | 2016-08-04 | 2016-12-21 | 安徽江淮汽车股份有限公司 | A kind of bolt friction coefficient measuring apparatus |
| CN107782489A (en) * | 2017-10-16 | 2018-03-09 | 郑州拽亘电子科技有限公司 | Bolt simulator and the moment of torsion plank calibrating installation using the simulator |
| CN108458825A (en) * | 2018-02-28 | 2018-08-28 | 易克威系统株式会社 | The axial force and friction torque measuring device of screw and the measurement method for utilizing the device |
| CN109470773A (en) * | 2018-12-13 | 2019-03-15 | 深圳市德航智能技术有限公司 | A kind of caliberating device and its working method of ultrasonic detecting probe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204044044U (en) | A kind of bolt friction coefficient measuring apparatus | |
| CN106289710B (en) | Aerofoil profile model dynamometric system | |
| CN208206255U (en) | A kind of cantilever beam Weighing module of included pooling feature | |
| CN103438842B (en) | A kind of pick-up unit of engine cylinder cap bore system | |
| CN204405174U (en) | A kind of proving installation of LOAD CELLS | |
| CN206469899U (en) | A kind of science of bridge building bridge search equipment support | |
| CN210005361U (en) | rigidity testing device | |
| CN204535901U (en) | Threaded fastener pretightning force pick-up unit | |
| CN203287173U (en) | Manual spring tension-compression testing machine | |
| CN203231713U (en) | Rapid detection device for doubly-fed generator support processing precision | |
| CN207365945U (en) | A kind of dividing bush gap adjusting device | |
| CN202433064U (en) | Cylinder type sensor weighting module | |
| CN102519560B (en) | Column type sensor weighing module | |
| CN113739745A (en) | Hub bearing positive clearance measuring device and method | |
| CN203704872U (en) | Optical grating measuring gauge used for wheel dynamic balancing machine | |
| CN208026386U (en) | One kind can be convenient for fixed mercurial thermometer | |
| CN209310980U (en) | A kind of push-pull effort machine calibration platform | |
| CN203148683U (en) | Pulse test-bed of fuel tank | |
| CN206208181U (en) | Axle key grooves symmetry degree gauge | |
| CN102901468B (en) | Car turning angle laser measuring instrument | |
| CN206418003U (en) | A kind of calender roller-way velocity test fixing device | |
| CN206161425U (en) | Vice torsion preparation fixing device of bolted connection | |
| CN212810009U (en) | Silicon steel iron core clamp | |
| CN204730961U (en) | Rod member force measuring machine | |
| CN208953199U (en) | Torque calibration tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20160731 |