CN214583810U

CN214583810U - Detection equipment of pressure sensor

Info

Publication number: CN214583810U
Application number: CN202121193703.2U
Authority: CN
Inventors: 吴正清
Original assignee: Shandong Liwei Hydraulic Technology Co ltd
Current assignee: Shandong Liwei Hydraulic Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-02
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a pressure sensor's check out test set, including supporting box, the pressure hammer that is used for the supporting seat that pressure sensor placed and is used for pressure sensor to detect, supporting box's surface mounting has the supporting seat, supporting box rotates through the bearing and is connected with the guiding axle, two sets of thread grooves have been seted up to the outer wall of guiding axle, the equal threaded connection of two sets of thread groove outer walls of guiding axle has the guide block, the fixed block is installed at the top of guide block, supporting box's surface is equipped with the mount, the pneumatic cylinder is installed at the top of mount, the deflector is installed to the bottom of pneumatic cylinder, the pressure hammer is installed to the bottom of deflector, two mounting grooves have been seted up to supporting box's roof symmetry, be equipped with the support sleeve in the mounting groove of supporting box roof. This pressure sensor's check out test set not only can guarantee the stability in the testing process, can avoid initial pressure too big moreover to cause pressure sensor impaired.

Description

Detection equipment of pressure sensor

Technical Field

The utility model belongs to the technical field of pressure sensor check out test set, concretely relates to pressure sensor's check out test set.

Background

A pressure sensor is a device or apparatus that senses a pressure signal and converts the pressure signal into a usable output electrical signal according to a certain rule. A pressure sensor is usually composed of a pressure sensitive element and a signal processing unit. Pressure sensors can be classified into gauge pressure sensors, differential pressure sensors, and absolute pressure sensors according to different types of test pressures.

After the pressure sensor is manufactured, a pressure detection test is generally required to detect whether the pressure sensor works normally. The existing pressure sensor is generally moved by a support carried by a cylinder, and then a pressure hammer is used for applying force to the pressure sensor. When the pressure hammer comes into contact with the pressure sensor, the pressure sensor may be damaged due to a large initial pressure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure sensor's check out test set to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pressure sensor's check out test set, includes supporting box, the pressure hammer that is used for the supporting seat that pressure sensor placed and is used for pressure sensor to detect, supporting box's surface mounting has the supporting seat, the supporting box is interior to rotate through the bearing and is connected with the guiding axle, two sets of thread grooves have been seted up to the outer wall of guiding axle, the equal threaded connection of two sets of thread groove outer walls of guiding axle has the guide block, the fixed block is installed at the top of guide block, supporting box's surface is equipped with the mount, the pneumatic cylinder is installed at the top of mount, the deflector is installed to the bottom of pneumatic cylinder, the pressure hammer is installed to the bottom of deflector, two mounting grooves have been seted up to supporting box's roof symmetry, be equipped with the support sleeve in the mounting groove of supporting box roof.

In a further embodiment, a buffer spring is installed in the support sleeve, and a buffer pad sliding in the support sleeve is fixed on the surface of the buffer spring and can buffer the pressure hammer, so that damage to the pressure sensor due to overlarge initial pressure when the pressure hammer is in contact with the pressure sensor is avoided.

In a further embodiment, two limiting grooves are symmetrically formed in the inner walls of the two sides of the fixing frame, two limiting rods which slide in the limiting grooves of the fixing frame are symmetrically arranged on the outer walls of the two sides of the guide plate, so that the guide plate and the pressure hammer can be prevented from shifting in the descending process, the detection stability is further guaranteed, and the detection precision is guaranteed.

In a further embodiment, two threaded holes are symmetrically formed in the bottom of the guide plate, and guide columns are in threaded connection in the two threaded holes in the bottom of the guide plate and can be matched with the supporting sleeve to buffer the pressure hammer.

In a further embodiment, the thread directions of the two groups of thread grooves on the outer wall of the guide shaft are opposite, one end of the guide shaft extends out of the support box, and a turntable is mounted on the end face, located outside the support box, of the guide shaft, so that the positions of the two guide blocks can be adjusted simultaneously, and the two guide blocks can move towards or away from each other simultaneously.

In a further embodiment, two moving grooves are symmetrically formed in the surface of the supporting box, the two guide blocks move in the two moving grooves in the surface of the supporting box respectively, the four supporting legs are symmetrically arranged at the bottom of the supporting box, the moving path of the guide blocks can be limited, and the guide blocks can horizontally move.

The utility model discloses a technological effect and advantage: according to the detection equipment of the pressure sensor, due to the arrangement of the buffer spring in the supporting sleeve, the buffer spring can be extruded through the guide column in the descending process of the pressure hammer, the pressure hammer can be buffered, and the damage to the pressure sensor caused by overlarge initial pressure when the pressure hammer is contacted with the pressure sensor is avoided; can carry out effectual fixed to pressure sensor through two fixed blocks, guarantee pressure sensor's in the testing process stability, the gag lever post through the deflector both sides slides in the spacing groove of mount simultaneously, can guarantee that the in-process position that deflector and pressure hammer descend can not produce the skew, further guarantee the stability of detection, guarantee the precision of detecting, this pressure sensor's check out test set not only can guarantee the stability in the testing process, can avoid initial pressure too big to cause pressure sensor impaired moreover.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the support box of the present invention;

fig. 3 is a cross-sectional view of the guide plate of the present invention;

fig. 4 is a cross-sectional view of the support sleeve of the present invention.

In the figure: the device comprises a support box 1, a support seat 2, a guide shaft 3, a guide block 4, a fixing block 5, a fixing frame 6, a hydraulic cylinder 7, a guide plate 8, a pressure hammer 9, a guide column 10, a support sleeve 11, a buffer spring 12 and a cushion pad 13.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

In order to ensure the stability in the detection process and the detection precision, as shown in fig. 1 and fig. 2, a support base 2 is fixed on the surface of a support box 1 through bolts, a guide shaft 3 is rotatably connected in the support box 1 through a welded bearing, two groups of thread grooves are formed in the outer wall of the guide shaft 3, the thread directions of the two groups of thread grooves in the outer wall of the guide shaft 3 are opposite, one end of the guide shaft 3 extends out of the support box 1, a turntable is fixedly welded on the end surface of the guide shaft 3 positioned outside the support box 1, the outer walls of the two groups of thread grooves of the guide shaft 3 are both in threaded connection with guide blocks 4, two moving grooves are symmetrically formed in the surface of the support box 1, the two guide blocks 4 respectively move in the two moving grooves in the surface of the support box 1, fixed blocks 5 are fixed on the tops of the guide blocks 4 through bolts, protective pads are respectively bonded on the opposite surfaces of the two fixed blocks 5, and a fixing frame 6 is welded on the surface of the support box 1, the top of mount 6 is passed through the bolt fastening and is had pneumatic cylinder 7, and the bottom of pneumatic cylinder 7 is passed through the bolt fastening and is had deflector 8, and two spacing grooves have been seted up to the both sides inner wall symmetry of mount 6, and the both sides outer wall symmetry welded fastening of deflector 8 has two gag lever posts that slide in the spacing groove of mount 6.

In order to buffer the pressure hammer 9 in the descending process of the pressure hammer 9 and avoid damage to the pressure sensor due to overlarge initial pressure when the pressure hammer 9 contacts the pressure sensor, as shown in fig. 1, 3 and 4, the pressure hammer 9 is fixed at the bottom of the guide plate 8 through a bolt, two mounting grooves are symmetrically formed in the top plate of the support box 1, a support sleeve 11 is welded and fixed in the mounting groove of the top plate of the support box 1, a buffer spring 12 is welded and fixed in the support sleeve 11, a support pad sliding in the support sleeve 11 is welded and fixed on the surface of the buffer spring 12, two threaded holes are symmetrically formed in the bottom of the guide plate 8, guide columns 10 are connected in threaded holes in the bottom of the guide plate 8 through threads, and the positions of the guide columns 10 correspond to the positions of the support sleeve 11.

The working principle of the detection device of the pressure sensor is that when the detection device is used, a pressure sensor to be detected is placed on the surface of a supporting seat 2, a guide shaft 3 is rotated through a turntable, the guide shaft 3 drives two fixing blocks 5 to move towards the pressure sensor through two guide blocks 4, the two fixing blocks 5 are attached to the outer wall of the pressure sensor, the position of the pressure sensor is fixed, a hydraulic cylinder 7 is started, the hydraulic cylinder 7 drives a guide plate 8 and a pressure hammer 9 to descend, meanwhile, a limiting rod moves in a limiting groove of a fixing frame 6 to limit the moving path of the pressure hammer 9, in the descending process of the pressure hammer 9, a guide column 10 is firstly inserted into a supporting sleeve 11, a cushion 13 and a cushion spring 12 are extruded through the guide column 10, in the extruding process of the cushion spring 12, the pressure hammer 9 is contacted with the pressure sensor to detect the pressure sensor, and the pressure transmitted by the pressure sensor is read by an external tester and is displayed by a display screen, and a worker can judge whether the pressure sensor is normal or not through the displayed numerical value.

Finally, it should be noted that: the foregoing is merely a preferred embodiment of the present invention and is not intended to limit the scope of the invention.

Claims

1. The utility model provides a pressure sensor's check out test set, includes supporting box (1), is used for supporting seat (2) that pressure sensor placed and is used for pressure hammer (9) that pressure sensor detected, its characterized in that: the surface mounting of supporting box (1) has supporting seat (2), it is connected with guiding axle (3) to rotate through the bearing in supporting box (1), two sets of thread grooves have been seted up to the outer wall of guiding axle (3), the equal threaded connection of two sets of thread groove outer walls of guiding axle (3) has guide block (4), fixed block (5) are installed at the top of guide block (4), the surface of supporting box (1) is equipped with mount (6), pneumatic cylinder (7) are installed at the top of mount (6), deflector (8) are installed to the bottom of pneumatic cylinder (7), pressure hammer (9) are installed to the bottom of deflector (8), two mounting grooves have been seted up to the roof symmetry of supporting box (1), be equipped with supporting sleeve (11) in the mounting groove of supporting box (1) roof.

2. The detection device of a pressure sensor according to claim 1, characterized in that: a buffer spring (12) is installed in the supporting sleeve (11), and a buffer pad (13) sliding in the supporting sleeve (11) is fixed on the surface of the buffer spring (12).

3. The detection device of a pressure sensor according to claim 2, characterized in that: two limiting grooves are symmetrically formed in the inner walls of the two sides of the fixing frame (6), and two limiting rods which slide in the limiting grooves of the fixing frame (6) are symmetrically arranged on the outer walls of the two sides of the guide plate (8).

4. A pressure sensor detection device according to claim 3, characterized in that: two threaded holes are symmetrically formed in the bottom of the guide plate (8), and guide columns (10) are in threaded connection in the two threaded holes in the bottom of the guide plate (8).

5. The detecting device of a pressure sensor according to claim 4, characterized in that: the screw thread trend of two sets of thread grooves of guiding axle (3) outer wall is opposite, and outside the one end of guiding axle (3) extended to supporting box (1), the carousel was installed to the terminal surface that guiding axle (3) are located supporting box (1) outside.

6. The detecting device of a pressure sensor according to claim 5, characterized in that: two moving grooves are symmetrically formed in the surface of the supporting box (1), the guide blocks (4) move in the two moving grooves in the surface of the supporting box (1) respectively, and four supporting legs are symmetrically installed at the bottom of the supporting box (1).