CN216645703U - Counter-force device for testing tension sensor - Google Patents
Counter-force device for testing tension sensor Download PDFInfo
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- CN216645703U CN216645703U CN202122681241.5U CN202122681241U CN216645703U CN 216645703 U CN216645703 U CN 216645703U CN 202122681241 U CN202122681241 U CN 202122681241U CN 216645703 U CN216645703 U CN 216645703U
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Abstract
The utility model provides a counterforce device for testing a tension sensor, which comprises an upper bracket and a lower bracket which are arranged in a staggered manner; the upper bracket comprises an upper bracket top plate, an upper bracket bottom plate, an upper bracket upright post, a lower ball head seat and a lower ball head; two ends of an upper support upright post are respectively fixedly connected to an upper support top plate and an upper support bottom plate, a lower ball head seat is arranged on the upper surface of the upper support bottom plate, and a lower ball head is arranged in the lower ball head seat; the lower bracket comprises a lower bracket top plate, a lower bracket bottom plate, a lower bracket upright post, an upper ball head seat and an upper ball head; two ends of the lower support upright post are respectively fixedly connected to the lower support top plate and the lower support bottom plate, the upper ball head seat is arranged on the lower surface of the lower support top plate, and the upper ball head is arranged in the upper ball head seat. After the tension sensor is fixed by the upper ball head and the lower ball head, the pressing force applied to the top plate of the upper bracket can be converted into the pulling forces at two ends of the tension sensor, and the direction and the magnitude of the force are ensured to be consistent, so that the test of the tension sensor is realized.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the field of force value testing devices, in particular to a counterforce device for testing a tension sensor.
[ background of the utility model ]
Force standard machines can be divided into four categories according to their force generation principle: a dead weight force standard machine, a lever type force standard machine, a hydraulic type force standard machine and a superposition type force standard machine. The force standard machine can generate standard force values for calibrating and calibrating instruments such as a dynamometer and a sensor. At present, most of force standard machines with large force value measuring ranges are pressed, and a tension sensor with a large force value cannot be directly detected. And the tension sensor with large force value is usually large in volume, heavy in weight and difficult to carry, which brings great difficulty to the detection of the sensor. When some small-force tension sensors are used for detection on a force standard machine and a fatigue testing machine, an auxiliary mechanism is also needed for converting the pressing force into the pulling force. In addition, in the structure of the device for converting the pressing force into the pulling force, how to ensure the direction and the magnitude of the force are consistent becomes the key of the auxiliary device. Therefore, in order to solve the above problems, it is necessary to design an auxiliary mechanism to solve the problems.
[ Utility model ] content
The utility model aims to solve the technical problem of providing a counterforce device for testing a tension sensor, which can convert a pressing force into a pulling force and ensure the direction and the magnitude of the force to be consistent.
The utility model is realized in the following way: a counterforce device for testing a tension sensor comprises an upper bracket and a lower bracket;
the upper bracket comprises an upper bracket top plate, an upper bracket bottom plate, an upper bracket upright post, a lower ball head seat and a lower ball head; the two ends of the upper support upright post are respectively fixedly connected to the upper support top plate and the upper support bottom plate, the lower ball head seat is arranged on the lower surface of the upper support bottom plate, and the lower ball head is freely matched in the lower ball head seat and is provided with a first fixing part for fixedly connecting the lower end of the tension sensor;
the lower support comprises a lower support top plate, a lower support bottom plate, a lower support upright post, an upper ball head seat and an upper ball head; the two ends of the lower support upright post are respectively fixedly connected to the lower support top plate and the lower support bottom plate, the upper ball head seat is arranged on the upper surface of the lower support top plate, and the upper ball head is freely matched with the inside of the upper ball head seat and is provided with a second fixing part for fixedly connecting the upper end of the tension sensor;
the lower support top plate is located between the upper support top plate and the upper support bottom plate, and the upper support bottom plate is located between the lower support top plate and the lower support bottom plate.
Further, the device also comprises an auxiliary mounting mechanism; the auxiliary mounting mechanism comprises an oil cylinder supporting assembly and an oil cylinder control system; the oil cylinder supporting assemblies are multiple and are uniformly distributed between the upper support bottom plate and the lower support bottom plate.
Furthermore, the oil cylinder supporting assembly further comprises an oil cylinder, a thrust joint bearing ball seat and a thrust joint bearing ball head; the oil cylinder is arranged on the bottom plate of the lower bracket; the thrust joint bearing ball seat is arranged at the bottom of the upper support base plate, and the thrust joint bearing ball head is arranged in the thrust joint bearing ball seat and connected with a piston rod of the oil cylinder.
Furthermore, the cross sections of the upper support top plate, the upper support bottom plate and the lower support top plate are all in an equilateral triangle structure with chamfers; the cross section of the bottom plate of the lower bracket is of a circular structure; the corner directions of the upper support top plate and the upper support bottom plate are correspondingly and consistently arranged and staggered with the corner direction of the lower support top plate; each upper support upright post may be disposed at a corner of the upper support top plate and the upper support bottom plate, and each lower support upright post may be disposed at a corner of the lower support top plate.
Further, the first fixing part is a first screw joint through hole arranged at the center of the lower ball socket; the second fixing part is arranged in a second screw joint through hole in the center of the upper ball seat.
Furthermore, the sizes of the lower ball head and the upper ball head are both set corresponding to the specification of the tension sensor, and the lower ball head seat is detachably connected to the upper surface of the upper bracket bottom plate and matched with the lower ball head; the upper ball head seat is detachably connected to the lower surface of the lower support top plate and matched with the upper ball head.
The utility model has the advantages that: the counterforce device is provided with the lower support and the upper support which are arranged in a staggered manner, the bottom plate of the lower support is placed on a working platform of a force standard machine or a fatigue testing machine in a centering manner, pressure is applied to the top plate of the upper support, the upper support has the tendency of moving downwards as a whole, the upper end of the sensor is fixed by the top plate of the lower support and fixed by the bottom plate of the upper support, and downward tensile force is generated by transferring the pressure to the lower end of the sensor by the bottom plate of the upper support, so that the purpose of converting the pressing force into the tensile force is realized, and the tensile force test of the sensor can be realized. In addition, joint bearing ball seats are respectively arranged on the top plate of the lower support and the bottom plate of the upper support, joint bearing balls are respectively placed in the centers of the two joint bearing ball seats to limit the two ends of the sensor, and the stress modes at the two ends of the sensor can be adjusted through the automatic centering action between the joint bearing balls and the joint bearing ball seats, so that the directions and the sizes of all pulling forces transmitted to the sensor are consistent, and the accuracy of force value transmission is greatly improved. In addition, the ball head seat is detachably mounted, so that the ball head seat can be matched with ball heads of various sizes, force sensors of various specifications can be adapted, and the counterforce device has high universality. In addition, the reaction device is also provided with an auxiliary mounting mechanism, namely, the lower bracket and the upper bracket can be mounted by the lifting action of the auxiliary mounting mechanism.
[ description of the drawings ]
The utility model will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a schematic view showing the overall structure of a reaction force device according to the present invention.
FIG. 2 is a schematic plan view of the reaction force device of the present invention.
FIG. 3 is a schematic longitudinal sectional view of a reaction force device of the present invention.
FIG. 4 is a schematic longitudinal sectional view of a reaction force device according to the utility model in a test state.
[ detailed description ] embodiments
The embodiment of the utility model provides the counterforce device for testing the tension sensor, which can convert the pressing force into the pulling force and ensure the direction and the magnitude of the force to be consistent.
In order to solve the above problems, the technical solution in the embodiments of the present invention has the following general idea: the counter-force device is designed to convert the pressure of the pressure testing machine into the tension, so that the tension test of the tension sensor can be realized through the pressure testing machine. Counterforce device has set up staggered arrangement's lower carriage and upper bracket, place the lower carriage bottom plate centering on the work platform of force standard machine or fatigue testing machine, exert pressure to the roof of upper bracket, the upper bracket has the trend that wholly moves down, because the lower carriage is motionless, its lower carriage roof is motionless with the upper end of sensor, the bottom plate of upper bracket then with pressure transmission to the lower extreme of sensor and produce decurrent pulling force, thereby realized turning into the pulling force with the pressure to the pulling force, can realize the tensile test of sensor. In addition, joint bearing ball seats are respectively arranged on the top plate of the lower support and the bottom plate of the upper support, joint bearing balls are respectively placed in the centers of the two joint bearing ball seats to limit the two ends of the sensor, and the stress modes at the two ends of the sensor can be adjusted through the automatic centering action between the joint bearing balls and the joint bearing ball seats, so that the directions and the sizes of all pulling forces transmitted to the sensor are consistent, and the accuracy of force value transmission is greatly improved.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.
Referring to fig. 1 to 4, a reaction force device 100 for testing a tension sensor according to the present invention includes an upper bracket 1 and a lower bracket 1;
the upper bracket 1 comprises an upper bracket top plate 11, an upper bracket bottom plate 12, an upper bracket upright post 13, a lower ball head seat 14 and a lower ball head 15; two ends of the upper bracket upright column 13 are respectively fixedly connected to the upper bracket top plate 11 and the upper bracket bottom plate 12, the lower ball seat 14 is arranged on the upper surface of the upper bracket bottom plate 12, and the lower ball head 15 is freely fitted in the lower ball seat 14 and provided with a first fixing part 152 for fixedly connecting the lower end of the tension sensor 200;
the lower support 2 comprises a lower support top plate 21, a lower support bottom plate 22, a lower support upright column 23, an upper ball head seat 24 and an upper ball head 25; two ends of the lower support upright post 22 are respectively fixedly connected to the lower support top plate 21 and the lower support bottom plate 22, the upper ball seat 24 is arranged on the lower surface of the lower support top plate 21, and the upper ball 25 is freely fitted in the upper ball seat 24 and provided with a second fixing part 252 for fixedly connecting the upper end of the tension sensor 200;
wherein, the lower rack top plate 21 is located between the upper rack top plate 11 and the upper rack bottom plate 12, and the upper rack bottom plate 12 is located between the lower rack top plate 21 and the lower rack bottom plate 22, so that the upper rack 1 and the lower rack 1 form a staggered arrangement.
Preferably, the lower ball seat 14 and the upper ball seat 24 are both thrust joint bearing ball seats, and the lower ball head 15 and the upper ball head 25 are both thrust joint bearing ball heads, so that the upper and lower automatic centering can be formed by the free matching principle of the thrust joint bearing seats and the thrust joint bearing ball heads.
Further, as a more specific or preferred implementation of the above embodiment, the present invention may further include an auxiliary mounting mechanism 3.
The auxiliary mounting mechanism 3 comprises a cylinder supporting assembly 31 and a cylinder control system 32; the plurality of cylinder supporting assemblies 31 are uniformly arranged between the upper support bottom plate 12 and the lower support bottom plate 22.
The oil cylinder support assembly 31 further comprises an oil cylinder 311, a thrust knuckle bearing ball seat 312 and a thrust knuckle bearing ball head 313; the oil cylinder 311 is arranged on the lower bracket bottom plate 22; the spherical thrust bearing ball seat 312 is disposed at the bottom of the upper frame bottom plate 12, and the spherical thrust bearing ball 313 is disposed in the spherical thrust bearing ball seat 312 and connected to the piston rod 3112 of the cylinder 311.
The cross sections of the upper support top plate 11, the upper support bottom plate 12 and the lower support top plate 21 are all in an equilateral triangle structure with chamfers, and the cross section of the lower support bottom plate 22 is in a circular structure; the corner directions of the upper support top plate 11 and the upper support bottom plate 12 are correspondingly and consistently arranged, and are staggered with the corner direction of the lower support top plate 21. In this way, each upper support column 13 can be provided at the corner of the upper support top plate 11 and the upper support bottom plate 12, and each lower support column 23 can be provided at the corner of the lower support top plate 21, so that the upper support column 13 and the lower support column 23 can be shifted without interference; and the cylinder support assemblies 31 may also be distributed at the corners of the upper bracket bottom plate 12.
The first fixing portion 152 is a first screw-connecting through hole provided at the center of the lower ball cup 14; the second fixing portion 252 is disposed in a second screw through hole formed in the center of the upper socket 24.
The sizes of the lower ball head 15 and the upper ball head 25 are both set corresponding to the specification of the tension sensor 200, and the lower ball head seat 14 is detachably connected to the upper surface of the upper bracket bottom plate 12 and matched with the lower ball head 15; the upper ball socket 24 is detachably connected to the lower surface of the lower bracket top plate 21 and matched with the upper ball head 25.
Regarding the mutual connection relationship of the components of the embodiment of the present invention: the upper bracket upright column 13, the upper bracket top plate 11 and the upper bracket bottom plate 12, the lower bracket upright column 22, the lower bracket top plate 21 and the lower bracket bottom plate 22 can be locked by screws or other fasteners, the upper ball socket and the lower ball socket can be locked by screws or other fasteners, the upper ball head and the lower ball head are freely matched with the upper ball socket and the lower ball socket, the thrust joint bearing ball heads are freely matched with the thrust joint ball sockets, the upper ball head and the lower ball head are generally matched with the force sensor by threads, and the sensor in a special shape can be matched by planes.
The operation process and the working principle of the utility model are as follows:
1. as shown in fig. 4, the lower bracket bottom plate 22 is placed on the working platform 301 of the force standard machine 300 or the fatigue testing machine, and the cylinder support assembly 31 is installed on the lower bracket bottom plate 12;
2. respectively locking the lower ball socket 14 and the upper ball socket 24 to the upper support bottom plate 12 and the lower support top plate 21, and then putting the lower ball head 15 and the upper ball head 25 along the center;
3. the oil cylinder 311 is lifted through the oil cylinder control system 32, and three bearing ball seat holes preset on the lower surface of the upper bracket bottom plate 12 are placed into a thrust knuckle bearing ball head along the center and are supported through a piston rod 3112 of the oil cylinder 311 respectively;
4. screwing the lower end part of the tension sensor 200 into the lower ball head 15 to enable the lower ball head to be in threaded fit;
5. installing the upper bracket upright 13 and the lower bracket upright 23 on the upper bracket bottom plate 12 and the lower bracket bottom plate 22 respectively, and locking the screws;
6. placing the lower support top plate 22 provided with the upper ball socket 24 on the three lower support upright posts 23 and locking;
7. locking the upper ball head 25 to the upper end of the tension sensor 200;
8. arranging an upper support top plate 11 on three upper support upright posts 13 and locking;
9. the oil cylinder 311 descends, and the upper bracket bottom plate 12 falls freely, so that the lower ball head 15 is matched with the spherical surface of the upper ball head seat 14 and the lower ball head seat 14, and the center is automatically centered;
10. the pressure head of the driving force standard machine 300 presses the top plate 11 of the upper support downwards to enable the upper support 1 to have the tendency of moving downwards integrally, the lower support 2 is fixed, the upper ball head 25 of the lower support fixes the upper end of the tension sensor 200 through the upper ball head seat 24 and the lower support top plate 21, the upper support bottom plate 12 transmits pressure to the lower ball head seat 14, downward tension is generated at the lower end of the tension sensor 200 through the transmission effect of the lower ball head seat 14 and the lower ball head 15, and therefore the purpose that the pressing force is converted into the pulling force is achieved, and the tension sensor 200 can be subjected to tension test. And the matching of each ball head seat and each ball head has an automatic centering effect, so that the directions and the sizes of the pulling forces transmitted to all positions on the pulling force sensor 200 are consistent, and the force value transmission precision is greatly improved.
The utility model has the advantages that: the counterforce device is provided with a lower support and an upper support which are arranged in a staggered mode, an upper ball socket and a lower ball socket are installed through a top plate of the lower support and a bottom plate of the upper support, and a ball head is placed in the center of each of the two ball sockets and used for fixing two ends of a sensor. The lower support bottom plate is placed on a working platform of a force standard machine or a fatigue testing machine in a centering mode, pressure is applied to the top plate of the upper support, the upper support has the tendency of moving downwards integrally, the lower support top plate of the lower support does not move to fix the upper end of a sensor, the bottom plate of the upper support transmits the pressure to the lower ball head seat, downward pulling force is generated at the lower end of the sensor through the transmission effect of the lower ball head seat and the lower ball head, the purpose that the pressing force is converted into the pulling force is achieved, and the free matching of the ball head seat and the ball head has the automatic centering effect, so that the directions and the sizes of the pulling force transmitted to all positions on the sensor are consistent, and the force value transmission precision is greatly improved. In addition, the ball head seat is detachably mounted, so that the ball head seat can be matched with ball heads of various sizes, force sensors of various specifications can be adapted, and the counterforce device has high universality. In addition, the reaction device is also provided with an auxiliary mounting mechanism, namely, the lower bracket and the upper bracket can be mounted by the lifting action of the auxiliary mounting mechanism.
Although specific embodiments of the utility model have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the utility model, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the utility model, which is to be limited only by the appended claims.
Claims (6)
1. The utility model provides a test force sensor's counterforce device which characterized in that: comprises an upper bracket and a lower bracket;
the upper bracket comprises an upper bracket top plate, an upper bracket bottom plate, an upper bracket upright post, a lower ball head seat and a lower ball head; the two ends of the upper support upright post are respectively fixedly connected to the upper support top plate and the upper support bottom plate, the lower ball head seat is arranged on the lower surface of the upper support bottom plate, and the lower ball head is freely matched in the lower ball head seat and is provided with a first fixing part for fixedly connecting the lower end of the tension sensor;
the lower support comprises a lower support top plate, a lower support bottom plate, a lower support upright post, an upper ball head seat and an upper ball head; the two ends of the lower support upright post are respectively fixedly connected to the lower support top plate and the lower support bottom plate, the upper ball head seat is arranged on the upper surface of the lower support top plate, and the upper ball head is freely matched with the inside of the upper ball head seat and is provided with a second fixing part for fixedly connecting the upper end of the tension sensor;
the lower support top plate is located between the upper support top plate and the upper support bottom plate, and the upper support bottom plate is located between the lower support top plate and the lower support bottom plate.
2. The counterforce apparatus of claim 1, wherein: the device also comprises an auxiliary mounting mechanism; the auxiliary mounting mechanism comprises an oil cylinder supporting assembly and an oil cylinder control system; the oil cylinder supporting assemblies are multiple and are uniformly distributed between the upper support bottom plate and the lower support bottom plate.
3. The counterforce apparatus of claim 2, wherein: the oil cylinder supporting assembly further comprises an oil cylinder, a thrust joint bearing ball seat and a thrust joint bearing ball head; the oil cylinder is arranged on the bottom plate of the lower bracket; the thrust joint bearing ball seat is arranged at the bottom of the upper support base plate, and the thrust joint bearing ball head is arranged in the thrust joint bearing ball seat and connected with a piston rod of the oil cylinder.
4. The counterforce apparatus of claim 1, wherein: the cross sections of the upper support top plate, the upper support bottom plate and the lower support top plate are all in an equilateral triangle structure with chamfers; the cross section of the bottom plate of the lower bracket is of a circular structure; the corner directions of the upper support top plate and the upper support bottom plate are correspondingly and consistently arranged and staggered with the corner direction of the lower support top plate; each upper bracket upright may be disposed at a corner of the upper bracket top plate and the upper bracket bottom plate, and each lower bracket upright may be disposed at a corner of the lower bracket top plate.
5. The counterforce apparatus of claim 1, wherein: the first fixing part is a first screw joint through hole arranged at the center of the lower ball socket; the second fixing part is arranged in a second screw joint through hole in the center of the upper ball seat.
6. The counterforce apparatus of claim 1, wherein: the sizes of the lower ball head and the upper ball head are both set corresponding to the specification of the tension sensor, and the lower ball head seat is detachably connected to the upper surface of the upper bracket bottom plate and matched with the lower ball head; the upper ball head seat is detachably connected to the lower surface of the lower support top plate and matched with the upper ball head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122681241.5U CN216645703U (en) | 2021-11-04 | 2021-11-04 | Counter-force device for testing tension sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122681241.5U CN216645703U (en) | 2021-11-04 | 2021-11-04 | Counter-force device for testing tension sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216645703U true CN216645703U (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122681241.5U Active CN216645703U (en) | 2021-11-04 | 2021-11-04 | Counter-force device for testing tension sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216645703U (en) |
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2021
- 2021-11-04 CN CN202122681241.5U patent/CN216645703U/en active Active
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