CN215865637U - Portable calibration device for pull pressure sensor - Google Patents
Portable calibration device for pull pressure sensor Download PDFInfo
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- CN215865637U CN215865637U CN202121896988.6U CN202121896988U CN215865637U CN 215865637 U CN215865637 U CN 215865637U CN 202121896988 U CN202121896988 U CN 202121896988U CN 215865637 U CN215865637 U CN 215865637U
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- 238000009434 installation Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Abstract
The utility model discloses a portable pulling pressure sensor calibration device which comprises a base, wherein the outer wall of the top of the base is fixedly connected with symmetrically distributed fixed rods, the outer walls of the tops of the two fixed rods are fixedly connected with a transverse plate together, the outer wall of the bottom of the transverse plate is provided with a mounting groove, the inner walls of two sides of the mounting groove are connected with a lead screw together through a bearing, one end of the lead screw is fixedly connected with a rotary plate, the direction of threads of the lead screw from the middle to two ends is opposite, the outer wall of the lead screw is connected with symmetrically distributed moving blocks through threads, the inner walls of two sides of the mounting groove are fixedly connected with guide rods which are symmetrically distributed and penetrate through the moving blocks, and the outer wall of the bottom of the moving block is fixedly connected with a fixed plate. According to the pressure sensor, the screw rod is arranged, the rotary table is rotated to enable the screw rod to rotate, the movable block is enabled to move relatively or oppositely along the guide rod, and the tension and the pressure of the pressure sensor to be measured are calibrated.
Description
Technical Field
The utility model relates to the technical field of calibration devices, in particular to a portable pull pressure sensor calibration device.
Background
The pull pressure sensor is also called as resistance strain sensor, belonging to the weighing sensor series, and is a device for converting physical signal into measurable electric signal and outputting the signal. The device is widely applied to force measurement occasions such as industrial weighing systems, platform scales, electronic scales, hook scales, batching scales and the like.
Due to the frequent use of the pull pressure sensor, the problem that the measured value of the pull pressure sensor is accurate can occur for a long time, so that a calibration device is needed, and the existing calibration device is complex in structure and heavy in size, so that the problem of inconvenience in carrying can be caused.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a portable calibration device for a pull/press sensor, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a portable pull pressure sensor calibration device comprises a base, wherein the outer wall of the top of the base is fixedly connected with symmetrically distributed fixing rods, the outer walls of the tops of the two fixing rods are fixedly connected with a transverse plate together, the outer wall of the bottom of the transverse plate is provided with a mounting groove, the inner walls of two sides of the mounting groove are connected with a lead screw together through a bearing, one end of the lead screw is fixedly connected with a rotary table, the direction of the lead screw is opposite from the middle to the thread direction of two ends, the outer wall of the lead screw is connected with symmetrically distributed moving blocks through threads, the inner walls of two sides of the mounting groove are fixedly connected with guide rods which are symmetrically distributed and penetrate through the moving blocks, the outer wall of the bottom of the moving blocks is fixedly connected with a fixing plate, the outer wall of one side opposite to each of the two fixing plates is fixedly connected with a standard pressure sensor and a pressure sensor to be measured respectively, and a string is arranged between the standard pressure sensor and the pressure sensor to be measured, the top outer wall fixedly connected with symmetric distribution's of base digital display screen, two digital display screen respectively with standard pressure sensor and the pressure sensor electric connection that awaits measuring.
Furthermore, the outer wall of the bottom of the base is fixedly connected with a non-slip mat, and the non-slip mat is made of rubber.
Furthermore, the outer walls of the two sides of the moving block are fixedly connected with sliding blocks, the inner walls of the two sides of the mounting groove are provided with guide rails, and the sliding blocks and the guide rails are in sliding fit.
Furthermore, a graduated scale is arranged on the outer wall of one side of the transverse plate.
Furthermore, the outer wall of the rotary table is fixedly connected with fixing columns distributed at equal intervals, and the fixing columns are circular.
Further, one side outer wall fixedly connected with symmetric distribution's of base fixed block, the mounting hole has been seted up to the top outer wall of fixed block, the inner wall of mounting hole has the screw rod through threaded connection, the one end of screw rod is connected with the sucking disc through the bearing.
Furthermore, the sliding block is located I-shaped sliding block, and the guide rail is I-shaped guide rail.
Compared with the prior art, the utility model has the beneficial effects that:
1. this be used for portable pressure sensor calibrating device that draws, through being provided with the lead screw, rotate the carousel and make the lead screw rotate, and then make the movable block along guide bar relative movement or back of the body removal mutually, and then calibrate pressure sensor's that awaits measuring pulling force and pressure, simple structure, it is small, portable.
2. This be used for portable pressure sensor calibrating device that draws, through being provided with the screw rod, rotate the screw rod and make it move down, and then make the sucking disc hold the face of placing, increase the stability of device.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
fig. 1 is a schematic overall structure diagram of a portable calibration device for a pull pressure sensor according to the present invention;
fig. 2 is a schematic rear view of a portable calibration device for a pull pressure sensor according to the present invention;
fig. 3 is a schematic view of an internal structure of an installation groove of the portable calibration device for a pull pressure sensor according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a base; 2. a digital display screen; 3. fixing the rod; 4. a screw; 5. a turntable; 6. a graduated scale; 7. a standard pressure sensor; 8. a string; 9. a pressure sensor to be measured; 10. a fixing plate; 11. a transverse plate; 12. a fixed block; 13. a suction cup; 14. a moving block; 15. a screw rod; 16. a guide bar; 17. and a slider.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Referring to fig. 1 to 3, in the embodiment of the present invention, a portable pull pressure sensor calibration apparatus includes a base 1, wherein the top outer wall of the base 1 is fixedly connected with symmetrically distributed fixing rods 3, the top outer walls of the two fixing rods 3 are fixedly connected with a transverse plate 11, the bottom outer wall of the transverse plate 11 is provided with an installation groove, the two side inner walls of the installation groove are commonly connected with a lead screw 15 through a bearing, one end of the lead screw 15 is fixedly connected with a rotary table 5, the lead screw 15 is opposite in thread direction from the middle to the two ends, the outer wall of the lead screw 15 is connected with symmetrically distributed moving blocks 14 through threads, the two side inner walls of the installation groove are fixedly connected with guide rods 16 which are symmetrically distributed and penetrate through the moving blocks 14, the bottom outer wall of the moving blocks 14 is fixedly connected with fixing plates 10, and the opposite side outer walls of the two fixing plates 10 are fixedly connected with a standard pressure sensor 7 and a pressure sensor 9 to be measured respectively, be provided with string 8 between standard pressure sensor 7 and the pressure sensor 9 that awaits measuring, the top outer wall fixedly connected with symmetric distribution's of base 1 digital display screen 2, two digital display screens 2 respectively with standard pressure sensor 7 and the pressure sensor 9 electric connection that awaits measuring, it makes lead screw 15 rotate to rotate carousel 5, and then make the movable block 14 along 16 relative movement of guide bars or back of the body removal, and then calibrate the pulling force and the pressure of the pressure sensor 9 that awaits measuring, moreover, the steam generator is simple in structure, small, and is convenient to carry.
In the utility model, the outer wall of the bottom of the base 1 is fixedly connected with the non-slip mat, the non-slip mat is made of rubber, and the placing stability of the device is good.
In the utility model, the outer walls of two sides of the moving block 14 are fixedly connected with sliding blocks 17, the inner walls of two sides of the mounting groove are provided with guide rails, and the sliding blocks 17 and the guide rails form sliding fit, so that the stability of the moving block 14 is improved.
In the utility model, the graduated scale 6 is arranged on the outer wall of one side of the transverse plate 11, so that the moving distance of the moving block 14 can be observed conveniently.
In the utility model, the outer wall of the rotary table 5 is fixedly connected with fixing columns distributed at equal intervals, and the fixing columns are round, so that the rotary table 5 can be conveniently rotated.
According to the utility model, the outer wall of one side of the base 1 is fixedly connected with the fixed blocks 12 which are symmetrically distributed, the outer wall of the top of each fixed block 12 is provided with a mounting hole, the inner wall of each mounting hole is connected with the corresponding screw rod 4 through threads, one end of each screw rod 4 is connected with the corresponding sucking disc 13 through a bearing, the screw rods 4 are rotated to move downwards, the sucking discs 13 are further enabled to suck a placing surface, and the stability of the device is improved.
In the utility model, the 17-position I-shaped sliding block of the sliding block is provided, and the guide rail is an I-shaped guide rail, so that the stability is good.
The working principle of the utility model is as follows:
the standard pressure sensor 7 is fixedly arranged on a fixing plate 10 and is electrically connected with a digital display screen 2 below, when pressure needs to be calibrated, the pressure sensor 9 to be measured is arranged on the other fixing plate 10 and is electrically connected with the other digital display screen 2 below, when pressure is measured, the screw rod 15 is rotated by rotating the rotary disc 5, and the moving block 14 is further relatively moved along the guide rod 16, so that the two sensors are mutually extruded, and because the acting force and the reacting force are equal, when the numerical value ranges of the two digital display screens 2 are within an error range, the pressure sensor 9 to be measured is accurate, otherwise, calibration is needed until the numerical value is within the error range; when the tension needs to be calibrated, the screw rod 15 is reversed to move the moving block 14 back and forth, and then the two sensors are connected together by the thin rope 8, and the tension calibration is carried out in the same way.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (7)
1. The portable pull pressure sensor calibration device comprises a base (1) and is characterized in that fixing rods (3) are symmetrically distributed on the outer wall of the top of the base (1), a transverse plate (11) is arranged on the outer wall of the top of the two fixing rods (3), a mounting groove is formed in the outer wall of the bottom of the transverse plate (11), lead screws (15) are connected to the inner walls of the two sides of the mounting groove through bearings, a turntable (5) is arranged at one end of each lead screw (15), the directions of the threads of the two ends of each lead screw (15) are opposite from the middle of each lead screw (15), moving blocks (14) are symmetrically distributed on the outer wall of the corresponding lead screw (15) through threads, guide rods (16) which are symmetrically distributed and penetrate through the moving blocks (14) are arranged on the inner walls of the two sides of the mounting groove, a fixing plate (10) is arranged on the outer wall of the bottom of the corresponding side of the two fixing plates (10), and a standard pressure sensor (7) and a pressure sensor (a) to be measured (a) are arranged on the outer wall of the corresponding side of the two fixing plate (10) respectively 9) The pressure sensor (9) that awaits measuring is provided with between standard pressure sensor (7) and the pressure sensor (8) that awaits measuring, the top outer wall of base (1) is equipped with symmetric distribution's digital display screen (2), two digital display screen (2) respectively with standard pressure sensor (7) and await measuring pressure sensor (9) electric connection.
2. The portable pull-pressure sensor calibration device according to claim 1, wherein the outer wall of the bottom of the base (1) is provided with a non-slip pad, and the non-slip pad is made of rubber.
3. The portable pull pressure sensor calibration device according to claim 1, wherein the movable block (14) is provided with sliding blocks (17) on both outer walls, the mounting groove is provided with guide rails on both inner walls, and the sliding blocks (17) are in sliding fit with the guide rails.
4. The portable pulling and pressing force sensor calibration device as claimed in claim 1, wherein a graduated scale (6) is arranged on one side of the outer wall of the transverse plate (11).
5. The portable pull pressure sensor calibration device according to claim 1, wherein the outer wall of the turntable (5) is provided with fixing posts distributed at equal intervals, and the fixing posts are circular.
6. The portable pulling and pressing force sensor calibrating device as claimed in claim 1, wherein the outer wall of one side of the base (1) is provided with symmetrically distributed fixing blocks (12), the outer wall of the top of each fixing block (12) is provided with a mounting hole, the inner wall of each mounting hole is connected with a screw rod (4) through threads, and one end of each screw rod (4) is connected with a sucking disc (13) through a bearing.
7. A portable pull pressure sensor calibration device according to claim 3 wherein the slide block (17) is an i-shaped slide block and the guide rail is an i-shaped guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121896988.6U CN215865637U (en) | 2021-08-13 | 2021-08-13 | Portable calibration device for pull pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121896988.6U CN215865637U (en) | 2021-08-13 | 2021-08-13 | Portable calibration device for pull pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215865637U true CN215865637U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121896988.6U Active CN215865637U (en) | 2021-08-13 | 2021-08-13 | Portable calibration device for pull pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215865637U (en) |
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2021
- 2021-08-13 CN CN202121896988.6U patent/CN215865637U/en active Active
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