CN101246069A - Electric force application device of torque coefficient comparator - Google Patents
Electric force application device of torque coefficient comparator Download PDFInfo
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- CN101246069A CN101246069A CNA200810047156XA CN200810047156A CN101246069A CN 101246069 A CN101246069 A CN 101246069A CN A200810047156X A CNA200810047156X A CN A200810047156XA CN 200810047156 A CN200810047156 A CN 200810047156A CN 101246069 A CN101246069 A CN 101246069A
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- torque coefficient
- axle sleeve
- connecting axle
- electric force
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The present invention relates to a torque coefficient detecting device electric force applying device in the high-strength bolt torque coefficient detecting field, and the device comprises a fixed platform, an electric motor, a speed reducer, a connecting axle sleeve, a torque force applying square roller and a control switch, the output axis of the speed reducer is connected with the connecting axle sleeve with a dead key, the torque force applying square roller is installed in the connecting axle sleeve and can slide along the axis direction of the connecting axle sleeve in the connecting axle sleeve. The torque coefficient detecting device electric force applying device provided by the invention has a fixed installing position, in the using process the high-strength bolt torque coefficient detecting device can be excellent applied with force, at the same time the free advancing and retreating of the torque sensor which is affiliated with the detecting device in the detecting process is set aside with a space, the experiment requirement to various standard bolts is adapted thereby facilitating the more portability and flexibility of the operation. Besides, the invention realizes the uniform-speed load applying and accuracy control to the experiment torque and helps to increase the experiment precision; the experiment procedure can be completed with one man, the labor intensity is reduced greatly and the operating efficiency is increased.
Description
Technical field
The present invention relates to the electromechanical equipment field, particularly high-strength bolt torque coefficient calibration equipment.
Background technology
Torque coefficient calibrating is the conventional test project of high-strength bolt, thereby by being recorded in the torque coefficient that axle power in the loading procedure and moment of torsion draw high-strength bolt.Existing torque coefficient comparator adopts the artificial application of force usually, and for the high-strength bolt more than the diameter M20, it is bigger to need to load moment of torsion, being difficult to is alone to finish certificate test, and especially M27, M30 bolt load moment of torsion and surpass 1000Nm, need many people to cooperate, labour intensity is very big, and efficient is very low.In addition, present a kind of " electric constant torque wrench " sold on the market, too high because of output speed, and the required moment of torsion that applies has uncertainty during test, influence test accuracy, cost an arm and a leg in addition, and operation is inconvenient.
Chinese patent application number is to have mentioned a kind of high-strength bolt torque coefficient testing machine in 03228797.6 the patent application document, it adopts the device of electric tightening nut, wherein speed reduction unit uses bolt on fixed head, the sideslip wheel carrier is equipped with in the fixed head both sides, and two bearings are arranged in each sideslip wheel carrier.But this kind apparatus structure complexity, loaded down with trivial details needs the relative position of mobile force application apparatus integral body in process of the test, operation is owed just, and has increased the unreliable factor in the work.
Summary of the invention
Technical matters to be solved by this invention is for high-strength bolt torque coefficient certificate test provides a kind of electric force application device, is applicable to the high-strength bolt torque coefficient calibrating of all size, has characteristics simple in structure, easy to operate, safe and reliable.
For solving the problems of the technologies described above, a kind of electric force application device of torque coefficient comparator provided by the present invention comprises stationary platform, motor, speed reduction unit, moment of torsion application of force side roller, gauge tap, described speed reduction unit is fixed on the stationary platform, the one end links to each other with motor, and the other end is connected by moment of torsion application of force side roller and torque coefficient comparator; It is characterized in that, described electric force application device also comprises connecting bushing, retainingf key, the output shaft of described speed reduction unit is connected with retainingf key with connecting bushing, and moment of torsion application of force side roller is installed in the connecting bushing, and can slide by the axis direction along connecting bushing in connecting bushing.
As further prioritization scheme of the present invention, described speed reduction unit is the cycloidal planetary gear speed reducer structure, realizes miniwatt, the slow-speed of revolution, high torque drive, helps to improve test accuracy to loading the accurate control of moment of torsion.
As another prioritization scheme of the present invention, described motor has disposed the hand electric gauge tap, and this hand electric gauge tap is used for the control of motor positive and inverse.
The present invention has following beneficial effect: owing to moment of torsion application of force side roller is slidingly mounted in the connecting bushing, and can be free to slide along axis direction, electric force application device integral position of the present invention is fixed, realize the electric force application function well; Simultaneously, reserved the space for freely advancing and retreat of torque sensor under the torque coefficient comparator in the verification process again, adapted to the test demand of all size bolt, thereby made that operation is lighter, flexible.Owing to adopt the cycloidal planetary gear speed reducer structure, can carry out miniwatt, the slow-speed of revolution, high torque drive, in addition, motor configuration hand-held crawl gauge tap, may command motor forward and backward, the electric force application when being applicable to the high-strength bolt loading and unloading respectively.Realized the at the uniform velocity loading of test torque and accurately control are helped to improve test accuracy.The certificate test process is alone to finish, and significantly the labour intensity of Jiang Diing is increased work efficiency.
Description of drawings
Fig. 1 is the structural representation of torque coefficient comparator force application apparatus of the present invention,
Below in conjunction with accompanying drawing technical scheme of the present invention is further described in detail.
Embodiment
Electric force application device of torque coefficient comparator as shown in Figure 1, speed reduction unit 2 is the cycloidal planetary gear speed reducer structure, and the output shaft of speed reduction unit 2 one ends links to each other with connecting bushing 4 usefulness retainingf keys 3, and the other end links to each other with motor 1, and speed reduction unit 2 usefulness bolts 6 are fixed in stationary platform 10.Moment of torsion application of force side roller 5 one ends cooperate with square hole in the connecting bushing 4 and are installed in the connecting bushing 4, form enclosed plane moving sets, and the square hole of the torque sensor that the other end of moment of torsion application of force side roller 5 and torque coefficient comparator are affiliated cooperates.Speed reduction unit 2 output shafts, connecting bushing 4, moment of torsion application of force side roller 5 are positioned on the same axis with torque sensor 12.Moment of torsion application of force side roller 5 can be in connecting bushing 4 slides along its axis direction, has reserved axial space for freely advancing and retreat of torque sensor under the torque coefficient comparator in the verification process 12, has adapted to the test demand of all size bolt.Test pairing collet head size according to the different size bolt and do not wait, the axial location during test in moment of torsion application of force side roller 5 connecting bushings 4 of living in is also different.The gauge tap of motor 1 is a hand electric gauge tap 11, has the forward and backward function of control motor 1, the electric force application when being applicable to the high-strength bolt loading and unloading respectively.
When carrying out high-strength bolt torque coefficient certificate test, the high-strength bolt of required test is loaded on torque coefficient comparator, moment of torsion application of force side roller 5 is slided to the side away from high-strength bolt, to abdicate enough axial distances pack into collet head 13 and torque sensor 12, the specification of collet head 13 matches with the nut of high-strength bolt.Next, moment of torsion application of force side roller 5 is slided to the side near high-strength bolt, the one end is cooperated with the square hole of torque sensor 12.Speed reduction unit 2 output torques transmit by connecting bushing 4, moment of torsion application of force side roller 5, torque sensor 12, collet head 13 like this, realize the loading application of force to high-strength bolt, simultaneously by the torque sensor 13 record moments of torsion that apply.Then, open gauge tap 11, pin and just change knob, high-strength bolt begins to load toward tightening direction, reports to the police when high-strength bolt axle power reaches code requirement when torque coefficient comparator detects, and unclamp knob this moment, finishes loading procedure.After the record test figure, begin after the completion of discharge, moment of torsion application of force side roller 5 toward sliding away from the high-strength bolt side, to be withdrawed from collet head 13 and torque sensor 12, finish process of the test toward unclamping the direction unloading by counter-rotating knob high-strength bolt.
Speed reduction unit output speed in the described technical scheme of this embodiment is about 1.7r/min, and specified output torque is about 2000Nm, has been applied to the high-strength bolt torque coefficient certificate test of M12～M30 all size.Electric force application device of torque coefficient comparator of the present invention is novel, simple in structure, easy and simple to handle, reliable operation, only need a people just can operate, significantly reduce labour intensity, increased work efficiency 2～3 times, so very strong practicality and the application value of tool.
It should be noted that, the concrete shape that this patent is not limited to type, output speed, nominal torque and the moment of torsion application of force side roller 5 of the type of the described motor 1 of present embodiment and unlatching thereof, the control mode of closing, speed reduction unit 2 can realize opening automatically or closing such as motor 1 by collecting the corresponding electric signal of high-strength bolt torque coefficient comparator; Moment of torsion application of force side roller 5 can cooperate with hexagonal hole by six square toes with connecting bushing 4.Therefore, present embodiment just to the exemplary illustration of this patent and and non-limiting its protection domain.The unsubstantiality that those skilled in the art are made according to the present invention changes, so long as it is just available not pass through creative work, all is considered as the replacement that is equal to this patent, therefore all within the protection domain of this patent.
Claims (3)
1, a kind of electric force application device of torque coefficient comparator, comprise stationary platform, motor, speed reduction unit, moment of torsion application of force side roller, described speed reduction unit is fixed on the stationary platform, and the one end links to each other with motor, and the other end is connected by moment of torsion application of force side roller and torque coefficient comparator; It is characterized in that, described electric force application device also comprises connecting bushing, retainingf key, the output shaft of described speed reduction unit is connected with retainingf key with connecting bushing, and moment of torsion application of force side roller is installed in the connecting bushing, and can slide by the axis direction along connecting bushing in connecting bushing.
2, a kind of electric force application device of torque coefficient comparator according to claim 1 is characterized in that, described speed reduction unit is the cycloidal planetary gear speed reducer structure.
3, a kind of electric force application device of torque coefficient comparator according to claim 1 and 2 is characterized in that, described motor has disposed hand-held crawl gauge tap, and this hand-held crawl gauge tap can be used for the control of motor positive and inverse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810047156XA CN101246069A (en) | 2008-03-27 | 2008-03-27 | Electric force application device of torque coefficient comparator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810047156XA CN101246069A (en) | 2008-03-27 | 2008-03-27 | Electric force application device of torque coefficient comparator |
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| Publication Number | Publication Date |
|---|---|
| CN101246069A true CN101246069A (en) | 2008-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200810047156XA Pending CN101246069A (en) | 2008-03-27 | 2008-03-27 | Electric force application device of torque coefficient comparator |
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| CN (1) | CN101246069A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288352A (en) * | 2011-07-20 | 2011-12-21 | 三一电气有限责任公司 | Method and device for determining torque coefficient of bolt |
| CN104897327A (en) * | 2015-06-11 | 2015-09-09 | 广东铭凯医疗机器人有限公司 | Integrated power driving device for detecting torque |
| CN104897326A (en) * | 2015-06-11 | 2015-09-09 | 广东铭凯医疗机器人有限公司 | Transmission integrated torque sensor |
| CN104931169A (en) * | 2015-06-11 | 2015-09-23 | 广东铭凯医疗机器人有限公司 | Transmission device integrated with torque detection function |
-
2008
- 2008-03-27 CN CNA200810047156XA patent/CN101246069A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288352A (en) * | 2011-07-20 | 2011-12-21 | 三一电气有限责任公司 | Method and device for determining torque coefficient of bolt |
| CN102288352B (en) * | 2011-07-20 | 2012-12-19 | 三一电气有限责任公司 | Method and device for determining torque coefficient of bolt |
| CN104897327A (en) * | 2015-06-11 | 2015-09-09 | 广东铭凯医疗机器人有限公司 | Integrated power driving device for detecting torque |
| CN104897326A (en) * | 2015-06-11 | 2015-09-09 | 广东铭凯医疗机器人有限公司 | Transmission integrated torque sensor |
| CN104931169A (en) * | 2015-06-11 | 2015-09-23 | 广东铭凯医疗机器人有限公司 | Transmission device integrated with torque detection function |
| CN104897327B (en) * | 2015-06-11 | 2018-07-06 | 广东铭凯医疗机器人有限公司 | A kind of power drive unit of integrated torque detection |
| CN104897326B (en) * | 2015-06-11 | 2018-07-17 | 广东铭凯医疗机器人有限公司 | A kind of transmission integrated torque sensor |
| CN104931169B (en) * | 2015-06-11 | 2018-07-20 | 王春宝 | A kind of transmission device of integrated torque detection |
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Owner name: WUHAN SHIP HEAVY ENGINEERING CO., LTD. Free format text: FORMER OWNER: WUCHANG SHIP HEAVY INDUSTRY CO., LTD. Effective date: 20090904 |
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Effective date of registration: 20090904 Address after: Hubei province Wuhan city Xinzhou District Yangluo town Pan Long Lu No. 117 post encoding: 430415 Applicant after: Wuchuan Heavy Engineering Co.,Ltd. Address before: Hubei city of Wuhan province Wuchang Ziyang Road No. 2 post encoding: 430060 Applicant before: Wuchang Shipbuilding Industry Co., Ltd. |
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Open date: 20080820 |