A deformation-resistant double-curved beam tension pressure sensor

Abstract

The present invention discloses a deformation-resistant hyperbolic beam tension pressure sensor, comprising: an outer ring sleeve, the top of which is provided with a top plate; an upper ring plate, which is fixedly installed above the outer ring sleeve for a circle, and the vertical center line of the upper ring plate coincides with the vertical center line of the outer ring sleeve. Compared with the existing device, the deformation-resistant hyperbolic beam tension pressure sensor can be installed and fixed by a half screw, and the four sides of the force-bearing shaft can be fixed by a positioning rod, so that the position of the force-bearing shaft is fixed when under pressure to avoid deformation, and the outlet of the force-bearing shaft can be fixed by a limiting ring, so as to further improve the stability of the force of the force-bearing shaft and avoid deformation, and can be installed and fixed with external parts by a threaded joint, so as to improve the stability of the device when in use, and facilitate installation and connection, and the overall strength of the device can be improved by a reinforcing layer to avoid damage caused by excessive force.

Description

Technical Field

[0001] The invention relates to the technical field of hyperbolic beam tension pressure sensors, in particular to an anti-deformation hyperbolic beam tension pressure sensor. Background Art

[0002] Pressure sensors are the most commonly used sensors in industrial practice. They are widely used in various industrial automatic control environments, involving water conservancy and hydropower, railway transportation, intelligent buildings, production automatic control, aerospace, military industry, petrochemicals, oil wells, electricity, ships, machine tools, pipelines and many other industries. The following is a brief introduction to some common sensor principles and their applications. Traditional tension and pressure sensors are mainly mechanical structure devices, and the deformation of elastic elements indicates pressure, but this structure is large in size and heavy in weight, and cannot provide electrical output. With the development of semiconductor technology, semiconductor pressure sensors have also emerged.

[0003] The existing hyperbolic beam tension pressure sensor is not convenient for external wire connection during use and is prone to falling off. At the same time, the exposed wiring port is prone to dust and water vapor pollution and corrosion when the device is placed. Therefore, we propose an anti-deformation hyperbolic beam tension pressure sensor. Summary of the invention

[0004] The object of the present invention is to provide a deformation-resistant hyperbolic beam tension pressure sensor to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a deformation-resistant hyperbolic beam tension pressure sensor, comprising:

[0006] An outer ring sleeve, wherein a top plate is arranged on the top of the outer ring sleeve;

[0007] An upper ring plate, which is fixedly mounted above the outer ring sleeve, and the vertical center line of the upper ring plate coincides with the vertical center line of the outer ring sleeve;

[0008] A lower ring plate is installed around the lower side of the outer ring sleeve, and a first mounting groove is provided on the surface of the lower ring plate, and the first mounting groove is used to install a second bolt;

[0009] A wiring hole connected to one side of the outer ring sleeve, a threaded wall is fixed on the surface of the wiring hole, and a sealing cover is installed on the upper part of the threaded wall;

[0010] A bottom plate is arranged in the middle of the lower ring plate, one side of the bottom plate is connected to a bottom ring, and a second mounting groove is opened in the middle of the surface of the bottom plate, and the second mounting groove is used to mount a half screw;

[0011] A stress-bearing shaft, which runs through the middle of the bottom plate, and a stress sheet is provided on the lower surface of the stress-bearing shaft;

[0012] The reinforcing layer is fixedly arranged at the middle part of the inner side of the outer ring sleeve.

[0013] Preferably, the top plate is further provided with:

[0014] An upper strain beam is connected to one periphery of the top plate, and a lower strain beam is arranged at the lower inner part of the top plate.

[0015] Preferably, the upper ring plate is further provided with:

[0016] The first bolt is fixedly installed around the surface of the upper ring plate, and the upper ring plate forms a fixed structure with the outer ring sleeve through the first bolt.

[0017] Preferably, the lower ring plate is further provided with:

[0018] The second bolts are installed around the surface of the lower ring plate, and the lower ring plate and the outer ring sleeve form a fixed structure through the second bolts.

[0019] Preferably, the bottom plate is further provided with:

[0020] A half screw, which is fixed at the middle of the bottom plate, a positioning rod is connected to the lower part of the half screw, and the side surface of the positioning rod is tightly fitted with the side surface of the force-bearing shaft;

[0021] A limiting ring is arranged above the middle portion of the bottom plate, and the limiting ring and the bottom plate are welded.

[0022] Preferably, the force-bearing axis is further provided with:

[0023] A threaded joint is fixedly connected to the top of the stressed shaft, and the threaded joint and the stressed shaft are welded.

[0024] Preferably, the outer ring sleeve is further provided with:

[0025] The rubber pad is arranged on one side of the inner part of the outer ring sleeve, and the rubber pad and the outer ring sleeve are bonded.

[0026] Preferably, the reinforcement layer is further provided with:

[0027] The oxidation resistant layer is fixed on the surface of the reinforcement layer, and the oxidation resistant layer and the reinforcement layer are fixedly connected.

[0028] Preferably, the outer ring sleeve is also provided with a fine-tuning component for adjusting the position of the wiring hole, the fine-tuning component includes a circumferential slide groove opened on the outside of the outer ring sleeve, the cross-section of the circumferential slide groove is a T-shaped structure, and a sliding seat piece is slidably matched inside the circumferential slide groove, and the sliding seat piece is provided with an installation area convenient for installing the wiring hole. The fine-tuning component also includes a positioning block arranged on the side of the outer ring sleeve, and a fixed shaft is rotatably provided on the side of the positioning block close to the circumferential slide groove, and a winding roller is rotatably provided on the fixed shaft, the inner wall of the winding roller is provided with a torsion spring connected to the fixed shaft, and the surface of the winding roller is provided with a winding area for winding the transmission line. One end of the transmission line is connected to the battery cell inside the winding roller, and the battery cell is connected to the output ends of the upper strain beam and the lower strain beam through a fixed line. The other end of the transmission line is connected to the wiring terminal on the sliding seat, and the wiring terminal of the sliding seat is connected to the other end of the wiring hole. There is a pre-tightening force between the sliding seat and the circumferential slide groove, so that the position of the wiring hole can be adjusted by pushing the sliding seat to slide, so as to meet the wiring needs in different environments. When the position of the wiring hole moves, the winding roller will rotate automatically, thereby completing the retraction and release of the transmission line. A guide plate is provided in the circumferential slide groove close to the winding roller, and a through hole is provided on the guide plate to facilitate the transmission line to pass through.

[0029] Compared with the prior art, the present invention provides a deformation-resistant hyperbolic beam tensile pressure sensor having the following beneficial effects: the hyperbolic beam tensile pressure sensor can prevent dust and water vapor from polluting and corroding the interface and the interior, while protecting hard parts from wear and tear, and can fix the force-bearing position to prevent deformation.

[0030] 1. The present invention can deform under stress through the upper strain beam and the lower strain beam, so as to measure the force and torque according to the output value of the bridge circuit. The upper ring plate can be disassembled and assembled separately through the first bolt, so that when it is damaged, the upper ring plate can be replaced separately, and the internal upper end part cannot be inspected and repaired. The lower end of the device can be closed through the lower ring plate, and the lower ring plate can be disassembled and assembled separately through the second bolt, so that it is also convenient to replace it. At the same time, the lower part of the device can be maintained and repaired. The rubber pad can make the surface fit more tightly during installation to avoid friction deformation when stressed, and at the same time, the hard parts can be protected to avoid wear.

[0031] 2. In the present invention, the sealing cover and the threaded wall can be disassembled and assembled. Through the threaded wall, the wiring hole can be conveniently installed and connected with the external wire body, so as to output data. At the same time, the installation is more tight and will not loosen. The sealing cover can be removed during connection, and the wiring hole can be sealed when the device is placed, so as to prevent dust and water vapor from polluting and corroding the wiring hole and the interior;

[0032] 3. The present invention can be installed and fixed by a half screw, and the four sides of the force-bearing shaft can be fixed by a positioning rod, so that the position of the force-bearing shaft can be fixed when under pressure to avoid deformation. The outlet of the force-bearing shaft can be fixed by a limiting ring, so as to further improve the force stability of the force-bearing shaft and avoid deformation. The threaded joint can be used to install and fix with external parts, so as to improve the stability of the device during use and facilitate installation and connection. The reinforcing layer can improve the overall strength of the device to avoid damage caused by excessive force. The oxidation-resistant layer can improve the corrosion resistance of the device surface to avoid corrosion damage caused by long-term use, so as to increase the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the overall bottom-up structure of the present invention;

[0034] Figure 2 It is a schematic diagram of the overall top view structure of the present invention;

[0035] Figure 3 It is a schematic diagram of the overall front view and cross-sectional structure of the present invention;

[0036] Figure 4 It is a schematic diagram of the three-dimensional structure of the wiring hole of the present invention.

[0037] Figure 5 It is a schematic diagram of the structure of the fine-tuning component of the present invention.

[0038] Figure 6 It is a partial enlarged view of the fine-tuning component of the present invention.

[0039] In the figure: 1, outer ring sleeve; 2, upper ring plate; 3, first bolt; 4, top plate; 5, upper strain beam; 6, lower strain beam; 7, wiring hole; 8, sealing cover; 9, lower ring plate; 10, second bolt; 11, bottom plate; 12, bottom ring; 13, force-bearing shaft; 14, half screw; 15, first mounting groove; 16, limit ring; 17, second mounting groove; 18, positioning rod; 19, threaded joint; 20, rubber pad; 21, stress sheet; 22, oxidation-resistant layer; 23, reinforcement layer; 24, threaded wall;

[0040] It includes a circumferential sliding groove 101 , a sliding seat plate 104 , a transmission line 105 , a guide plate 106 , a positioning block 108 , a winding roller 107 , and a winding area 109 . DETAILED DESCRIPTION

[0041] See also Figure 1-4 The present invention provides a technical solution: a deformation-resistant hyperbolic beam tension pressure sensor, comprising:

[0042] An outer ring sleeve 1, a top plate 4 is arranged on the top of the outer ring sleeve 1;

[0043] An upper ring plate 2 is fixedly mounted above the outer ring sleeve 1, and the vertical center line of the upper ring plate 2 coincides with the vertical center line of the outer ring sleeve 1;

[0044] A lower ring plate 9 is installed around the lower side of the outer ring sleeve 1. A first mounting groove 15 is provided on the surface of the lower ring plate 9. The first mounting groove is used to mount the second bolt 10.

[0045] The wiring hole 7 is connected to one side of the outer ring sleeve 1. A threaded wall 24 is fixed on the surface of the wiring hole 7. A sealing cover 8 is installed on the upper part of the threaded wall 24. The threaded wall 24 facilitates the installation and connection of the wiring hole 7 with the external wire body, so as to output data. At the same time, the installation is more tight and will not loosen. The sealing cover 8 can be removed during connection, and the wiring hole 7 can be sealed when the device is placed, so as to prevent dust and water vapor from polluting and corroding the wiring hole 7 and the interior;

[0046] A bottom plate 11 is arranged in the middle of the lower ring plate 9. A bottom ring 12 is connected to one side of the bottom plate 11. A second mounting groove 17 is opened in the middle of the surface of the bottom plate 11. The second mounting groove is used to mount the half screw 14.

[0047] A force bearing shaft 13, which runs through the middle of the bottom plate 11, and a stress sheet 21 is provided on the lower surface of the force bearing shaft 13;

[0048] A reinforcing layer 23, which is fixedly arranged at the inner middle part of the outer ring sleeve 1;

[0049] The top plate 4 also has:

[0050] The upper strain beam 5 is connected to one circumference of the top plate 4. A lower strain beam 6 is provided at the lower part of the top plate 4. The upper strain beam 5 and the lower strain beam 6 can be deformed by force, so that the force and moment can be measured according to the output value of the bridge circuit.

[0051] The upper ring plate 2 is also provided with:

[0052] The first bolt 3 is fixedly mounted on the surface of the upper ring plate 2. The upper ring plate 2 forms a fixed structure with the outer ring sleeve 1 through the first bolt 3. The upper ring plate 2 can be disassembled and assembled separately through the first bolt 3, so that when it is damaged, the upper ring plate 2 can be replaced separately, and the internal upper end part cannot be inspected and repaired;

[0053] The lower ring plate 9 is also provided with:

[0054] The second bolt 10 is installed around the surface of the lower ring plate 9. The lower ring plate 9 forms a fixed structure with the outer ring sleeve 1 through the second bolt 10. The lower end of the device can be closed through the lower ring plate 9. The lower ring plate 9 can be disassembled and assembled separately through the second bolt 10, so that it is convenient to replace it, and the lower part of the device can be maintained and repaired;

[0055] The bottom plate 11 also has:

[0056] The half screw 14 is fixed to the middle of the bottom plate 11. The lower part of the half screw 14 is connected with a positioning rod 18. The side surface of the positioning rod 18 is tightly fitted with the side surface of the force-bearing shaft 13. The half screw 14 can be used for installation and fixing. The positioning rod 18 can be used to fix the surrounding of the force-bearing shaft 13, so that the position of the force-bearing shaft 13 is fixed when it is under pressure to avoid deformation.

[0057] The limiting ring 16 is arranged above the middle of the bottom plate 11. The limiting ring 16 and the bottom plate 11 are welded. The limiting ring 16 can fix the outlet of the force-bearing shaft 13, thereby further improving the force stability of the force-bearing shaft 13 and avoiding deformation.

[0058] The force bearing shaft 13 is also provided with:

[0059] The threaded joint 19 is fixedly connected to the top of the force-bearing shaft 13. The threaded joint 19 and the force-bearing shaft 13 are welded. Through the threaded joint 19, the external parts can be installed and fixed, thereby improving the stability of the device during use and facilitating installation and connection;

[0060] The outer ring sleeve 1 also has:

[0061] The rubber pad 20 is arranged on one side of the inner part of the outer ring sleeve 1. The rubber pad 20 and the outer ring sleeve 1 are bonded. The rubber pad 20 can make the surfaces fit more tightly during installation to avoid friction deformation when subjected to force. At the same time, the hard parts can be protected to avoid wear.

[0062] The reinforcement layer 23 also includes:

[0063] The oxidation-resistant layer 22 is fixed on the surface of the reinforcement layer 23. The oxidation-resistant layer 22 and the reinforcement layer 23 are fixedly connected. The reinforcement layer 23 can improve the overall strength of the device to avoid damage caused by excessive force. The oxidation-resistant layer 22 can improve the corrosion resistance of the device surface to avoid corrosion damage caused by long-term use, thereby improving the service life of the device.

[0064] Working principle: When using the hyperbolic beam tension pressure sensor, first, the upper strain beam 5 and the lower strain beam 6 can be deformed by force, so that the force and torque can be measured according to the output value of the bridge circuit. Then, the upper ring plate 2 can be disassembled and assembled separately through the first bolt 3, so that when it is damaged, the upper ring plate 2 can be replaced separately. At the same time, the internal upper end part cannot be inspected and repaired. Then, the lower end of the device can be closed through the lower ring plate 9, and then the lower ring plate 9 can be disassembled and assembled separately through the second bolt 10, so that it is also convenient to replace it. At the same time, the lower part of the device can be maintained and repaired. At this time, the rubber pad 20 can be used to make the surface fit more tightly during installation to avoid friction deformation when subjected to force. At the same time, the hard parts can be protected to avoid wear. The sealing cover 8 and the threaded wall 24 can be disassembled and assembled, and then the threaded wall 24 can facilitate the installation and connection of the wiring hole 7 and the external wire body, so as to output data and install more tightly. It will not loosen, and then the sealing cover 8 can be removed when connected. The wiring hole 7 can be sealed when the device is placed to prevent dust and water vapor from polluting and corroding the wiring hole 7 and the interior. At this time, the half screw 14 can be used for installation and fixation, and then the positioning rod 18 can be used to fix the four sides of the force-bearing shaft 13, so that the position of the force-bearing shaft 13 is fixed when under pressure to prevent deformation. The limit ring 16 can be used to fix the outlet of the force-bearing shaft 13, so as to further improve the force stability of the force-bearing shaft 13 and avoid deformation. At this time, the threaded joint 19 can be used to install and fix it with external parts, so as to improve the stability of the device during use and facilitate installation and connection. Then, the reinforcing layer 23 can be used to improve the overall strength of the device to avoid damage caused by excessive force. Finally, the oxidation-resistant layer 22 can be used to improve the corrosion resistance of the device surface to avoid corrosion damage caused by long-term use, thereby improving the service life of the device.

[0065] See also Figure 5-6In order to make the wiring position adjustable and avoid excessive stress on the data line, the outer ring sleeve 1 is also provided with a fine-tuning component for adjusting the position of the wiring hole 7, and the fine-tuning component includes a circumferential slide groove 101 opened on the outside of the outer ring sleeve 1, and the cross-section of the circumferential slide groove 101 is a T-shaped structure. A sliding seat 104 is slidably matched inside the circumferential slide groove 101, and the sliding seat 104 is provided with an installation area convenient for the installation of the wiring hole 7. The fine-tuning component also includes a positioning block 108 arranged on the side of the outer ring sleeve 1, and a fixed shaft is rotatably provided on the side of the positioning block 108 close to the circumferential slide groove 101, and a winding roller 107 is rotatably provided on the fixed shaft, and the inner wall of the winding roller 107 is provided with a torsion spring connected to the fixed shaft, and the surface of the winding roller 107 is provided with a winding area 1 for winding the transmission line 105 09, one end of the transmission line 105 is connected to the battery cell inside the winding roller 107, and the battery cell is connected to the output ends of the upper strain beam 5 and the lower strain beam 6 through a fixed line, and the other end of the transmission line 105 is connected to the wiring terminal on the sliding seat 104, and the wiring terminal of the sliding seat 104 is connected to the other end of the wiring hole 7. There is a pre-tightening force between the sliding seat 104 and the circumferential slide groove 101, so that the position of the wiring hole 7 can be adjusted by pushing the sliding seat 104 to slide, so as to meet the wiring needs in different environments. When the position of the wiring hole 7 moves, the winding roller 107 will rotate automatically, thereby completing the retraction and release of the transmission line 105, and a guide plate 106 is provided in the circumferential slide groove 101 close to the winding roller 107, and a through hole is provided on the guide plate 106 for easy passage of the transmission line 105.

Claims

1. A deformation-resistant hyperbolic beam tension pressure sensor, characterized in that: include: An outer ring sleeve, wherein a top plate is arranged on the top of the outer ring sleeve; An upper ring plate, which is fixedly mounted above the outer ring sleeve, and the vertical center line of the upper ring plate coincides with the vertical center line of the outer ring sleeve; A lower ring plate is installed around the lower side of the outer ring sleeve, and a first mounting groove is provided on the surface of the lower ring plate, and the first mounting groove is used to install a second bolt; A wiring hole connected to one side of the outer ring sleeve, a threaded wall is fixed on the surface of the wiring hole, and a sealing cover is installed on the upper part of the threaded wall; A bottom plate is arranged in the middle of the lower ring plate, one side of the bottom plate is connected to a bottom ring, and a second mounting groove is opened in the middle of the surface of the bottom plate, and the second mounting groove is used to mount a half screw; A stress-bearing shaft, which runs through the middle of the bottom plate, and a stress sheet is provided on the lower surface of the stress-bearing shaft; A reinforcing layer, which is fixedly arranged at the inner middle part of the outer ring sleeve; The outer ring sleeve is also provided with a fine-tuning component for adjusting the position of the wiring hole, and the fine-tuning component includes a circumferential slide groove opened on the outside of the outer ring sleeve, the cross-section of the circumferential slide groove is a T-shaped structure, and a sliding seat piece is slidably matched inside the circumferential slide groove, and the sliding seat piece is provided with an installation area convenient for installing the wiring hole. The fine-tuning component also includes a positioning block arranged on the side of the outer ring sleeve, and a fixed shaft is rotatably provided on the side of the positioning block close to the circumferential slide groove, and a winding roller is rotatably provided on the fixed shaft, and the inner wall of the winding roller is provided with a torsion spring connected to the fixed shaft, and the surface of the winding roller is provided with a winding area for winding the transmission line, and the transmission line One end is connected to the battery cell inside the winding roller, and the battery cell is connected to the output ends of the upper strain beam and the lower strain beam through a fixed line. The other end of the transmission line is connected to the wiring terminal on the sliding seat, and the wiring terminal of the sliding seat is connected to the other end of the wiring hole. There is a pre-tightening force between the sliding seat and the circumferential slide groove, so that the position of the wiring hole can be adjusted by pushing the sliding seat to slide, so as to meet the wiring needs in different environments. When the position of the wiring hole moves, the winding roller will rotate automatically, thereby completing the retraction and release of the transmission line. A guide plate is provided in the circumferential slide groove close to the winding roller, and a through hole is provided on the guide plate to facilitate the transmission line to pass through.

2. The anti-deformation hyperbolic beam tension pressure sensor according to claim 1, characterized in that: The top plate also has: An upper strain beam is connected to one periphery of the top plate, and a lower strain beam is arranged at the lower inner part of the top plate.

3. The anti-deformation hyperbolic beam tension pressure sensor according to claim 1, characterized in that: The upper ring plate is also provided with: The first bolt is fixedly installed around the surface of the upper ring plate, and the upper ring plate forms a fixed structure with the outer ring sleeve through the first bolt.

4. The anti-deformation hyperbolic beam tension pressure sensor according to claim 1, characterized in that: The lower ring plate is also provided with: The second bolts are installed around the surface of the lower ring plate, and the lower ring plate and the outer ring sleeve form a fixed structure through the second bolts.

5. The anti-deformation hyperbolic beam tension pressure sensor according to claim 1, characterized in that: The bottom plate also has: A half screw, which is fixed at the middle of the bottom plate, a positioning rod is connected to the lower part of the half screw, and the side surface of the positioning rod is tightly fitted with the side surface of the force-bearing shaft; A limiting ring is arranged above the middle part of the bottom plate, and the limiting ring and the bottom plate are welded.

6. The anti-deformation hyperbolic beam tension pressure sensor according to claim 1, characterized in that: The load-bearing axis is also provided with: A threaded joint is fixedly connected to the top of the stressed shaft, and the threaded joint and the stressed shaft are welded.

7. The anti-deformation hyperbolic beam tension pressure sensor according to claim 1, characterized in that: The outer ring sleeve also has: The rubber pad is arranged on one side of the inner part of the outer ring sleeve, and the rubber pad and the outer ring sleeve are bonded.

8. The anti-deformation hyperbolic beam tension pressure sensor according to claim 1, characterized in that: The reinforcement layer also includes: The oxidation resistant layer is fixed on the surface of the reinforcement layer, and the oxidation resistant layer and the reinforcement layer are fixedly connected.

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