CN115931214A - Sensor test fixture - Google Patents
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- CN115931214A CN115931214A CN202211339755.5A CN202211339755A CN115931214A CN 115931214 A CN115931214 A CN 115931214A CN 202211339755 A CN202211339755 A CN 202211339755A CN 115931214 A CN115931214 A CN 115931214A
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- 238000012360 testing method Methods 0.000 title claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 238000001514 detection method Methods 0.000 claims abstract description 60
- 230000001105 regulatory effect Effects 0.000 claims abstract description 57
- 230000007704 transition Effects 0.000 claims description 11
- 230000000670 limiting effect Effects 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000013031 physical testing Methods 0.000 abstract description 2
- 239000007787 solid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- 238000011897 real-time detection Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The invention relates to the technical field of physical testing, in particular to a sensor testing tool, which comprises a testing container, wherein the testing container comprises a detection cavity, a water storage cavity and a pressure regulating cavity, the detection cavity comprises a push plate, a screw rod adjusting mechanism and a pressure detecting mechanism, the push plate is arranged in the detection cavity in a sliding mode through the screw rod adjusting mechanism, the pressure regulating cavity comprises a push plate and an elastic adjusting mechanism, the push plate is arranged in the pressure regulating cavity in a sliding mode through the elastic adjusting mechanism, the water storage cavity is fixedly arranged above the detection cavity, the detection cavity is communicated with the water storage cavity through a water conveying pipe, the pressure regulating cavity is fixedly arranged on the periphery of the water storage cavity, the water storage cavity is communicated with the pressure regulating cavity through a gas conveying pipe, and the screw rod adjusting mechanism is fixedly connected with the push plate arranged in the detection cavity through a through groove in the water storage cavity. This sensor test fixture realizes the detection to sensor compressive property and waterproof performance through collecting detection chamber, water storage chamber and pressure regulating chamber in the test container of an organic whole, and simple structure is with low costs, and is small, conveniently shifts the use.
Description
Technical Field
The invention relates to the technical field of physical testing, in particular to a sensor testing tool.
Background
The sensor is a detection device, can sense measured information, can convert the sensed information into an electric signal or other information in a required form according to a certain rule, and outputs the electric signal or other information in a required form so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like.
Through retrieval discovery, the patent with the publication number of CN112326115B discloses a pressure sensor testing tool and a using method thereof, the device is simple to use, the detection function is diversified, the pressure sensor is pressed and detected under different pressures, the data accuracy of the pressure sensor is effectively improved, the reliability of the pressure sensor is improved, meanwhile, the pressure sensor is sprayed with water circularly, the waterproofness of the pressure sensor can be detected, and the applicability of the pressure sensor under different environments is improved.
However, in the actual use process, the test tool has the disadvantages of more parts, complex structure, large volume, high input cost and inconvenient movement and use, and can only be used for testing in fixed places such as laboratories and detection places. After the sensor leaves the factory, some users need to directly sample and detect the sensor on the use site due to self requirements, and therefore, a sensor testing tool which is simple in structure, small in size and convenient to transfer and use is urgently needed.
Disclosure of Invention
In order to solve the problems of complex structure, high cost and inconvenience in transferring and using of the existing sensor testing tool, the invention provides the sensor testing tool, which realizes detection of the compression resistance and the waterproof performance of a sensor through a testing container integrating a detection cavity, a water storage cavity and a pressure regulating cavity, and has the advantages of simple structure, low cost, small volume and convenience in transferring and using.
The invention provides a sensor testing tool, which comprises a testing container, wherein the testing container comprises a detection cavity, a water storage cavity and a pressure regulating cavity, the detection cavity comprises a pushing and pressing plate, a screw rod adjusting mechanism and a pressure detecting mechanism, the pushing and pressing plate is arranged in the detection cavity in a sliding mode through the screw rod adjusting mechanism, the pressure detecting mechanism is arranged between the screw rod adjusting mechanism and the pushing and pressing plate, a through groove is formed in the center of the water storage cavity, the pressure regulating cavity comprises a pushing and pressing plate and an elastic adjusting mechanism, the pushing and pressing plate is arranged in the pressure regulating cavity in a sliding mode through the elastic adjusting mechanism, the water storage cavity is fixedly arranged above the detection cavity, the detection cavity is communicated with the water storage cavity through a water conveying pipe, the pressure regulating cavity is fixedly arranged on the periphery of the water storage cavity, the water storage cavity is communicated with the pressure regulating cavity through a gas conveying pipe, and the screw rod adjusting mechanism is fixedly connected with the pushing and pressing plate arranged in the detection cavity through the through groove of the water storage cavity. Through collecting detection chamber, water storage chamber and pressure regulating chamber in the test container of an organic whole, realize the detection to sensor compressive property and waterproof performance, simple structure, it is with low costs, small, conveniently shift the use.
Furthermore, the screw rod adjusting mechanism comprises a screw rod and a threaded sleeve, the screw rod is provided with a driving end and a pressure applying end, the threaded sleeve is matched with the screw rod, the threaded sleeve is rotatably arranged in the through groove, the pressure applying end of the screw rod is fixedly connected with a pushing and pressing plate arranged in the detection cavity, and the driving end of the screw rod extends out of the detection cavity. Through the cooperation of screw rod and threaded sleeve, rotate threaded sleeve drive screw rod and drive the bulldozing board and carry out longitudinal displacement.
Furtherly, detect the chamber and divide into casing and last cap down, go up to open on the cap and have the transition hole that can supply the screw rod to pass, go up the cap and can dismantle the connection with casing down, the diameter in transition hole is less than the telescopic external diameter of screw thread, makes transition hole and logical groove department form the spacing step that is used for the screw thread sleeve location. Go up the cap and pass through threaded mode and lower body coupling, make the installation dismantle convenient and fast, and spacing step can inject threaded sleeve in leading to the inslot.
Further, the pressure detection mechanism comprises a pressure detector, a mounting frame and a movable frame, a sliding hole is formed in the mounting frame, the mounting frame and the movable frame are of frame-shaped structures, the mounting frame is fixedly arranged on the pushing plate, the pressure detector is fixedly arranged in the mounting frame, one end of the movable frame is fixedly connected with the screw rod adjusting mechanism, and the other end of the movable frame is slidably arranged in the sliding hole of the mounting frame. The movable frame can move along the sliding hole on the mounting frame to abut against the pressure detector.
Furthermore, the elastic adjusting mechanism comprises a spring and a pull rod, the air pushing plate is arranged in the pressure adjusting cavity in a sliding mode through the spring arranged at the bottom of the air pushing plate, one end of the pull rod is fixedly connected with the bottom of the air pushing plate, and the other end of the pull rod extends out of the pressure adjusting cavity. The pull rod is pulled manually to extrude the spring to drive the air pushing plate to move, and the air pushing plate is reset under the resilience action of the spring.
Furthermore, the bottom of the pressure regulating cavity is provided with a ventilation hole and a pull rod hole for the pull rod to extend out. Through the setting of scavenge port, guarantee that the gas pushing plate slides smoothly in the pressure regulating intracavity.
Furthermore, a size measuring mechanism for measuring the size is arranged outside the pressure regulating cavity. Through size measurement mechanism, conveniently carry out real-time measurement to the sensor size.
Furtherly, size measurement mechanism includes solid fixed splint and movable clamp plate, and gu fixed splint is fixed to be set up in pressure regulating chamber upper end lateral surface, and movable clamp plate slides and sets up under solid fixed splint, and the lateral surface in pressure regulating chamber is opened has the spout that can supply movable clamp plate to slide, and the pull rod is U type pole, and the pull rod fixed connection who stretches out the pressure regulating chamber is on movable clamp plate. The pull rod drives the movable clamping plate to move along the sliding groove, the movable clamping plate is matched with the fixed clamping plate to clamp and fix the sensor, and the measurement of the size can be completed while the pressure is regulated.
Furthermore, the lower part of the water storage cavity is provided with a water outlet for connecting a water pipe, the upper part of the detection cavity is provided with a water inlet for connecting the water pipe, the water pipe is connected with the water outlet and the water inlet, and the water pipe is provided with a control valve. The water storage cavity and the water in the detection cavity are exchanged through the water conveying pipe.
Furthermore, the upper part of the pressure regulating cavity is provided with an air outlet used for being connected with an air conveying pipe, the lower part of the water storage cavity is provided with an air inlet used for being connected with the air conveying pipe, and the air conveying pipe is connected with the air outlet and the air inlet. The gas intercommunication of the pressure regulating cavity and the water storage cavity is realized through the gas conveying pipe.
The invention has the beneficial effects that:
(1) The invention provides a sensor testing tool, which can be used in a turnover way through a testing container integrating a detection cavity, a water storage cavity and a pressure regulating cavity, so that the detection of the compression resistance and the waterproof performance of a sensor is realized, the structure is simple, the investment cost is low, the size is small, and the transfer use is convenient;
(2) The invention provides a sensor testing tool, which can easily drive a push plate to longitudinally move for detection operation through the matching of a screw and a threaded sleeve, and has the advantages of simple structure and convenience in operation;
(3) The invention provides a sensor testing tool, which realizes real-time detection of stress of a pressure detector through a mounting frame and a movable frame which are arranged in a sliding manner, and has simple structure and good detection stability;
(4) The invention provides a sensor testing tool, which combines a pressure regulating cavity and an external dimension measuring mechanism through an elastic regulating mechanism, can regulate the pressure in a water storage cavity and can also clamp and detect the dimension of a sensor, so that the detection function is diversified.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of an external structure of a sensor testing tool;
FIG. 2 is a perspective view of the internal structure of the sensor testing tool;
FIG. 3 is a plan view of the internal structure of the sensor testing tool;
in the figure, 100 is a detection cavity, 200 is a water storage cavity, 300 is a pressure regulating cavity, 1 is a pushing plate, 2 is a screw rod adjusting mechanism, 21 is a screw rod, 211 is a driving end, 212 is a pressing end, 22 is a threaded sleeve, 3 is a pressure detecting mechanism, 31 is a pressure detector, 32 is an installation frame, 321 is a sliding hole, 33 is a movable frame, 4 is a through groove, 5 is a pushing plate, 6 is an elastic adjusting mechanism, 61 is a spring, 62 is a pull rod, 7 is a size measuring mechanism, 71 is a fixed clamping plate, 72 is a movable clamping plate, 8 is a water conveying pipe, 81 is a water outlet, 82 is a water inlet, 83 is a control valve, 9 is a gas conveying pipe, 91 is a gas outlet, 92 is a gas inlet, 10 is a test container, 101 is a lower shell, 102 is an upper shell cover, 103 is a transition hole, and 104 is a limiting step.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
When detecting the sensor, the bearing capacity and the waterproof nature of sensor are crucial, in order to reduce the input cost, reduce the volume, conveniently shift the use, design a sensor test fixture, as shown in figure 1, including test container 10, test container 10 is split type sealed container. The difference with the prior art lies in, test container 10 is including detecting chamber 100, water storage chamber 200 and pressure regulating chamber 300, it includes bulldozing board 1 to detect chamber 100, screw rod adjustment mechanism 2 and pressure detection mechanism 3, bulldoze board 1 and slide through screw rod adjustment mechanism 2 and set up in detecting chamber 100, pressure detection mechanism 3 sets up at screw rod adjustment mechanism 2 and bulldoze between board 1, water storage chamber 200 center is provided with logical groove 4, pressure regulating chamber 300 is including pushing away gas board 5 and elasticity adjustment mechanism 6, it slides through elasticity adjustment mechanism 6 and sets up in pressure regulating chamber 300 to push away gas board 5, water storage chamber 200 is fixed to be set up in detecting chamber 100 top, it communicates with water storage chamber 200 through raceway 8 to detect chamber 100, pressure regulating chamber 300 is fixed to be set up in water storage chamber 200 periphery, water storage chamber 200 communicates with pressure regulating chamber 300 through air-supply pipe 9, screw rod adjustment mechanism 2 is through logical groove 4 of water storage chamber 200 with arrange in and detect chamber 100 in and bulldoze board 1 fixed connection.
During the use, will wait to detect the sensor and put into detecting chamber 100, then drive through screw rod adjustment mechanism 2 and bulldoze board 1 and move down, extrude the sensor, can detect the compressive property of sensor until bulldozing board 1 with the sensor extrusion damage, in-process, the pressure that bulldozes board 1 and receives is detected by pressure detection mechanism 3 to implement and show on the outside control screen of test container 10, the numerical value that detects during the damage, be the biggest compressive value that should wait to detect the sensor promptly.
When the sensor to be detected needs to be subjected to waterproof detection, the sensor is placed into the detection cavity 100, water is injected into the detection cavity 100 through the water storage cavity 200 through the water conveying pipe 8, the pushing plate 4 is pressed down through the screw rod adjusting mechanism 2 after the water injection is completed, water in the detection cavity 100 is extruded, the water environments of different depths can be simulated by increasing the density of the water, and the waterproof performance of the sensor applied to a specific water pressure is detected.
In order to be able to look over the inside water pressure that detects chamber 100 more directly perceivedly, detect chamber 100 external assembly and be equipped with the water pressure detector, water gauge promptly, the control panel electric connection of water pressure detector and test container 10 outside, the numerical value that detects can be through control panel demonstration.
The lower part of the water storage cavity 200 is provided with a water outlet 81 for connecting the water pipe 8, the upper part of the detection cavity 100 is provided with a water inlet 82 for connecting the water pipe 8, the water pipe 8 is connected with the water outlet 81 and the water inlet 82, and the water pipe 8 is provided with a control valve 83. The upper part of the pressure regulating cavity 300 is provided with an air outlet 91 for connecting an air pipe 9, the lower part of the water storage cavity 200 is provided with an air inlet 92 for connecting the air pipe 9, and the air pipe 9 is connected with the air outlet 91 and the air inlet 92.
When detecting the waterproof nature of sensor, test container 10 is just putting, and water storage chamber 200 is located and detects chamber 100 top, and at this moment, push plate 1 is located water inlet 82 upper portion, opens the control valve 83 on raceway 8, and it can to make the inside water in water storage chamber 200 get into through raceway 8 and detect in the chamber 100, closes control valve 83 again. The accessible pushes down and pushes away board 1 and extrudees the liquid that detects in the chamber 100, and when pushing away the board 4 and move down, the volume that detects chamber 100 reduces, pressurizes liquid promptly, through increaseing its water pressure, detects the waterproof performance when being in the different degree of depth to the sensor. After the waterproof performance is detected, the test container 10 is turned upside down, the control valve 83 is opened again, a certain negative pressure is generated in the water storage cavity 200 through the pressure regulating cavity 300 via the air pipe 9, and when the pressure in the water storage cavity 200 is low, the water in the detection cavity 100 can flow into the water storage cavity 200 more quickly.
As shown in fig. 2, the screw adjustment mechanism 2 includes a screw 21 and a threaded sleeve 22, the screw 21 has a driving end 211 and a pressing end 212, the threaded sleeve 22 is adapted to the screw 21, the threaded sleeve 22 is rotatably disposed in the through slot 4, the pressing end 212 of the screw 21 is fixedly connected to the pushing plate 1 disposed in the detection cavity 100, and the driving end 211 of the screw 21 extends out of the detection cavity 100.
The screw 21 can be driven by the screw thread to move longitudinally by rotating the threaded sleeve 22, the height of the threaded sleeve 22 is constant all the time, and a hand wheel convenient for force application and rotation is arranged on the part of the screw 21 extending out of the through groove 4, so that the test container 10 is more stable when inverted, and the hand wheel can be arranged in a large specification and can be stably placed.
The detection cavity 100 is divided into a lower shell 101 and an upper shell 102, a transition hole 103 for the screw 21 to pass through is formed in the upper shell 102, the upper shell 102 and the lower shell 101 are detachably connected, an external thread is arranged on the outer edge of the upper shell 102, an internal thread is correspondingly arranged on the inner wall of the opening end of the lower shell 101, and the upper shell 102 and the lower shell 101 are connected in a threaded mode and are stable and firm.
The diameter of the transition hole 103 is smaller than the outer diameter of the threaded sleeve 22, so that a limiting step 104 for positioning the threaded sleeve 22 is formed at the transition hole 103 and the through groove 4. Under the limiting action of the limiting step 104, the threaded sleeve 22 is rotatably arranged in the through groove 4, and the bottom end of the screw 21 extends into the detection cavity 100 from the through groove 4 through the transition hole 103, so that the pushing plate 1 arranged in the detection cavity 100 is driven to move longitudinally.
As shown in fig. 3, the elastic adjustment mechanism 6 includes a spring 61 and a pull rod 62, the air pushing plate 5 is slidably disposed in the pressure regulating cavity 300 through the spring 61 disposed at the bottom thereof, one end of the pull rod 62 is fixedly connected with the bottom of the air pushing plate 5, and the other end thereof extends out of the pressure regulating cavity 300. The bottom of the pressure regulating cavity 300 is provided with a ventilation hole 301 and a pull rod hole 302 for the pull rod 62 to extend out, so as to ensure that the pushing plate 5 is pushed and pulled smoothly, and the pushing plate 5 can be reset by the spring 61.
In order to realize the diversification of the test function, the outside of the pressure regulating cavity 300 is also provided with a size measuring mechanism 7 for measuring the size, and the size measuring mechanism 7 is matched with the elastic adjusting mechanism 6 for use.
Size measuring mechanism 7 includes solid fixed splint 71 and activity splint 72, and gu fixed splint 71 is fixed to be set up at pressure regulating chamber 300 upper end lateral surface, and activity splint 72 slides and sets up under gu fixed splint 71, and the lateral surface in pressure regulating chamber 300 is opened has the spout that can supply activity splint 72 to slide, and pull rod 62 is U type pole, and the pull rod 62 fixed connection that stretches out pressure regulating chamber 300 is on activity splint 72.
The pull rod 62 drives movable clamp plate 72 and slides, and movable clamp plate 72 cooperates with solid fixed clamp plate 71, treats the detection sensor and stabilizes the centre gripping, for the convenience size reading, can set up the size table at the outer wall in pressure regulating chamber 300, and the count of solid fixed clamp plate 71 department is zero, then through movable clamp plate 72 position on the size table, can read out the size of sensor, realizes the detection to the sensor size.
The foregoing description is intended to be illustrative rather than limiting, and it will be understood by those skilled in the art that many modifications, variations, or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a sensor test fixture, includes test container (10), its characterized in that: the test container (10) comprises
The detection chamber (100) comprises a push plate (1), a screw rod adjusting mechanism (2) and a pressure detection mechanism (3), the push plate (1) is arranged in the detection chamber (100) in a sliding mode through the screw rod adjusting mechanism (2), the pressure detection mechanism (3) is arranged between the screw rod adjusting mechanism (2) and the push plate (1),
a water storage cavity (200), a through groove (4) is arranged at the center of the water storage cavity (200), an
The pressure regulating cavity (300), the pressure regulating cavity (300) comprises an air pushing plate (5) and an elastic regulating mechanism (6), the air pushing plate (5) is arranged in the pressure regulating cavity (300) in a sliding way through the elastic regulating mechanism (6),
the water storage cavity (200) is fixedly arranged above the detection cavity (100), the detection cavity (100) is communicated with the water storage cavity (200) through a water conveying pipe (8), the pressure regulating cavity (300) is fixedly arranged on the periphery of the water storage cavity (200), the water storage cavity (200) is communicated with the pressure regulating cavity (300) through a gas conveying pipe (9), and the screw rod adjusting mechanism (2) is fixedly connected with a push plate (1) arranged in the detection cavity (100) through a through groove (4) of the water storage cavity (200).
2. The sensor testing tool of claim 1, wherein: the screw rod adjusting mechanism (2) comprises
A screw (21), said screw (21) having a drive end (211) and a pressure end (212), and
a threaded sleeve (22), the threaded sleeve (22) being adapted to the screw (21),
the threaded sleeve (22) is rotatably arranged in the through groove (4), a pressure applying end (212) of the screw rod (21) is fixedly connected with a pushing plate (1) arranged in the detection cavity (100), and a driving end (211) of the screw rod (21) extends out of the detection cavity (100).
3. The sensor testing tool of claim 2, wherein: the detection chamber (100) is divided into
A lower housing (101), and
an upper shell cover (102), wherein a transition hole (103) for a screw rod (21) to pass through is formed on the upper shell cover (102),
the upper shell cover (102) is detachably connected with the lower shell (101), the diameter of the transition hole (103) is smaller than the outer diameter of the threaded sleeve (22), and a limiting step (104) used for positioning the threaded sleeve (22) is formed at the transition hole (103) and the through groove (4).
4. The sensor testing tool of claim 1, wherein: the pressure detection mechanism (3) comprises
A pressure detector (31) for detecting the pressure,
a mounting frame (32), the mounting frame (32) is provided with a sliding hole (321), an
A movable frame (33),
mounting bracket (32) and adjustable shelf (33) are the frame structure, mounting bracket (32) are fixed to be set up on bulldozing board (1), pressure detector (31) are fixed to be set up in mounting bracket (32), adjustable shelf (33) one end and screw rod adjustment mechanism (2) fixed connection, the other end slides and sets up in sliding hole (321) of mounting bracket (32).
5. The sensor testing tool of claim 1, wherein: elasticity adjustment mechanism (6) include spring (61) and pull rod (62), push away gas board (5) and slide through spring (61) of arranging its bottom in and set up in pressure regulating chamber (300), pull rod (62) one end and push away gas board (5) bottom fixed connection, the other end stretches out pressure regulating chamber (300).
6. The sensor testing tool of claim 5, wherein: the bottom of the pressure regulating cavity (300) is provided with a ventilation hole (301) and a pull rod hole (302) for the pull rod (62) to extend out.
7. The sensor testing tool of claim 5, wherein: and a size measuring mechanism (7) for measuring the size is also arranged outside the pressure regulating cavity (300).
8. The sensor testing tool of claim 7, wherein: the size measuring mechanism (7) comprises a fixed clamping plate (71) and a movable clamping plate (72), the fixed clamping plate (71) is fixedly arranged on the outer side surface of the upper end of the pressure regulating cavity (300), the movable clamping plate (72) is arranged under the fixed clamping plate (71) in a sliding manner, a sliding groove for the movable clamping plate (72) to slide is formed in the outer side surface of the pressure regulating cavity (300),
the pull rod (62) is a U-shaped rod, and the pull rod (62) extending out of the pressure regulating cavity (300) is fixedly connected to the movable clamping plate (72).
9. The sensor testing tool of claim 1, wherein: the water storage cavity (200) lower part is opened and is had delivery port (81) that is used for connecting raceway (8), it has water inlet (82) that is used for connecting raceway (8) to detect chamber (100) upper portion to open, delivery port (81) and water inlet (82) are connected in raceway (8), be equipped with control valve (83) on raceway (8).
10. The sensor test tool of claim 1, wherein: pressure regulating chamber (300) upper portion is opened has gas outlet (91) that is used for connecting gas-supply pipe (9), water storage chamber (200) lower part is opened has air inlet (92) that is used for connecting gas-supply pipe (9), gas outlet (91) and air inlet (92) are connected to gas-supply pipe (9).
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CN202211339755.5A CN115931214A (en) | 2022-10-28 | 2022-10-28 | Sensor test fixture |
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CN202211339755.5A CN115931214A (en) | 2022-10-28 | 2022-10-28 | Sensor test fixture |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN117213829A (en) * | 2023-11-07 | 2023-12-12 | 山东永生机械有限公司 | Hydraulic pressure testing device for brake assembly |
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2022
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117213829A (en) * | 2023-11-07 | 2023-12-12 | 山东永生机械有限公司 | Hydraulic pressure testing device for brake assembly |
CN117213829B (en) * | 2023-11-07 | 2024-01-23 | 山东永生机械有限公司 | Hydraulic pressure testing device for brake assembly |
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