Pressure relief valve checking table

Abstract

The utility model relates to the technical field of pressure relief valve checking tables, in particular to a pressure relief valve checking table which comprises an operation table, an inflation pump, an inflation pipe, an air tank and an air outlet pipe, an air inlet component is installed on the upper side of the operation table, and a pressure relief valve body is arranged on the upper side of the air inlet component. A positioning component is mounted at the rear end of the upper side of the operation table, an output pipe is arranged on the rear side of the positioning component, a pressure sensor is mounted at one end of the output pipe, and the positioning component comprises a first mounting frame. The pressure relief valve body is fixed to the upper side of the air inlet component through the pressing block, the air outlet component is connected to the rear side of the pressure relief valve body, the installation convenience of the pressure relief valve body is improved, the verification efficiency of the pressure relief valve body is improved, the air outlet component slides on the outer side of the first installation frame, and the verification efficiency of the pressure relief valve body is improved. The position of the air outlet component is adjusted, and the adaptation range of the pressure relief valve body is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure relief valve check stand technical field, specifically a pressure relief valve check stand. BACKGROUND

[0002] Pressure relief valve plays a vital safety protection role in many industrial fields and equipment, such as power transformer, pressure vessel and other equipment, when the internal pressure exceeds the set value, the pressure relief valve can open in time, release pressure, avoid the damage of equipment due to overpressure and even serious accidents such as explosion, pressure relief valve check stand is used for checking and testing the opening pressure, closing pressure and other key performance parameters of pressure relief valve, to ensure that the pressure relief valve can work normally at the critical moment.

[0003] Chinese patent discloses a kind of pressure relief valve check stand, (authorized announcement number CN205538186U), the patent technology will microcomputer control device and printer be set in workbench, the data of pressure relief valve after verification can be directly handled, then print check report, save more steps, reduce the workload of operator, efficiency is greatly improved, pressure valve is set on gas storage tank, it is guaranteed that pressure does not exceed standard, safety is guaranteed, reliability is improved, but, the connection of the above-mentioned pressure relief valve and pressure relief valve check stand is inconvenient, needs screw to be connected with the fixed operation of fixed operation, fixed operation is time-consuming and labor-saving, it is not conducive to the check efficiency of pressure relief valve.Therefore, the pressure relief valve check stand provided by the person skilled in the art is to solve the problems raised in the above background art. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of pressure relief valve check stand, to solve the problems raised in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a pressure relief valve check -up platform, including operation platform, inflation pump, inflation pipe, gas tank and air outlet pipe, the inflation pump is located operation platform's inside one end position, the inflation pipe is located inflation pump one end position, the gas tank is located operation platform's inside other end position, the air outlet pipe is located gas tank one end position, the upper side of operation platform is equipped with the air inlet member, the upper side of air inlet member is equipped with pressure relief valve main part, the upper side rear end position of operation platform is equipped with positioning member, the rear side of positioning member is equipped with output pipe, one end of output pipe is equipped with pressure sensor, positioning member includes first mounting bracket, the rear side of first mounting bracket is equipped with first sliding mouth, the upper side front end position of first mounting bracket is equipped with first threaded rod, the lower side of first threaded rod is equipped with the pressure block, the upper side outer end position of pressure block is equipped with first sliding rod, the upper side rear end position of first mounting bracket is equipped with second threaded rod, the lower side of second threaded rod is equipped with air outlet member, the upper side outer end position of air outlet member is equipped with second sliding rod.

[0007] As a further scheme of the utility model: the air inlet member includes second mounting bracket, the upper end of second mounting bracket is equipped with third sliding rod, the upper side of third sliding rod is equipped with first pressure plate, the upper side of first pressure plate is equipped with air outlet head, the upper side of second mounting bracket is equipped with second sliding mouth, the outer side of third sliding rod is located the corresponding side position of second mounting bracket and first pressure plate and is equipped with spring, the air outlet member includes sliding block, the inside of sliding block is equipped with electric telescopic rod, the front end of electric telescopic rod is equipped with second pressure plate, the front side of second pressure plate is equipped with air inlet head, the front side of sliding block is equipped with third sliding mouth.

[0008] As a further scheme of the utility model: the output end of inflation pump and the input end of inflation pipe are through, the output end of inflation pipe and the input end of gas tank are through, the output end of gas tank and the input end of air outlet pipe are through, the output end of air outlet pipe and the input end of air inlet member are through, the output end of air inlet member and the input end of pressure relief valve main part are through, the output end of pressure relief valve main part and the input end of air outlet member are through, the output end of air outlet member and the input end of output pipe are through, the output end of output pipe and the input end of pressure sensor are through.

[0009] As a further scheme of the utility model: the upper end of first threaded rod rotates at the upper side position of first mounting bracket, the lower end of first threaded rod rotates at the upper side position of pressure block, the upper end of first sliding rod slides at the upper side position of first mounting bracket, the pressure block slides at the inside position of first mounting bracket through first threaded rod and first sliding rod.

[0010] As a further scheme of the utility model: the upper end of the second threaded rod rotates at the upper side position of the first mounting frame, the lower end of the second threaded rod rotates at the upper side position of the air outlet member, the upper end of the second sliding rod slides at the upper side position of the first mounting frame, the air outlet member slides at the inner side position of the first mounting frame through the second threaded rod and the second sliding rod.

[0011] As a further scheme of the utility model: the third sliding rod slides at the upper end position of the second mounting frame, the first pressing plate slides at the upper side position of the second mounting frame through the third sliding rod, one end of the air outlet pipe slides at the inner position of the second sliding opening, the output end of the air outlet pipe is in communication with the input end of the air outlet head.

[0012] As a further scheme of the utility model: the second pressing plate slides at the front side position of the sliding block through the electric telescopic rod, one end of the output pipe slides at the inner position of the third sliding opening, the output end of the air inlet head is in communication with the input end of the output pipe.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The pressure release valve calibration platform fixes the pressure release valve body to the upper side of the air inlet member through the pressing block, connects the rear side of the pressure release valve body through the air outlet member, improves the convenience of pressure release valve body installation, and improves the calibration efficiency of the pressure release valve body.

[0015] The air outlet member slides at the outer side of the first mounting frame, adjusts the position of the air outlet member, improves the adaptation range of the pressure release valve body, and can perform calibration operation on different size pressure release valve bodies. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a kind of pressure release valve calibration platform structure schematic diagram;

[0017] Figure 2 It is a kind of pressure release valve calibration platform structure schematic diagram of positioning component;

[0018] Figure 3 It is a kind of pressure release valve calibration platform structure schematic diagram of air inlet component;

[0019] Figure 4 It is a kind of pressure release valve calibration platform structure schematic diagram of air outlet component.

[0020] In the figure: 1, operation table; 2, air filling pump; 3, air filling pipe; 4, air tank; 5, air outlet pipe; 6, air inlet component; 7, pressure release valve main body; 8, positioning component; 9, output pipe; 10, pressure sensor; 11, first mounting frame; 12, first sliding opening; 13, first threaded rod; 14, pressing block; 15, first sliding rod; 16, second threaded rod; 17, air outlet component; 18, second sliding rod; 19, second mounting frame; 20, third sliding rod; 21, first pressing plate; 22, air outlet head; 23, second sliding opening; 24, spring; 25, sliding block; 26, electric telescopic rod; 27, second pressing plate; 28, air inlet head; 29, third sliding opening. DETAILED DESCRIPTION

[0021] Please refer to Figures 1-4The utility model discloses an operation table 1, air pump 2, inflation pipe 3, gas tank 4 and air outlet pipe 5, and the utility model discloses a kind of pressure release valve calibration bench, air pump 2 is located the inside one end position of operation table 1, inflation pipe 3 is located the one end position of air pump 2, gas tank 4 is located the inside other end position of operation table 1, air outlet pipe 5 is located the one end position of gas tank 4, the upper side of operation table 1 is equipped with air inlet component 6, the upper side of air inlet component 6 is provided with pressure release valve main body 7, the upper side rear end position of operation table 1 is equipped with positioning component 8, the rear side of positioning component 8 is provided with output pipe 9, one end of output pipe 9 is equipped with pressure sensor 10, positioning component 8 includes first mounting bracket 11, the rear side of first mounting bracket 11 is equipped with first sliding mouth 12, the upper side front end position of first mounting bracket 11 is provided with first threaded rod 13, the lower side of first threaded rod 13 is provided with pressure block 14, the upper side outer end position of pressure block 14 is provided with first sliding rod 15, the upper side rear end position of first mounting bracket 11 is provided with second threaded rod 16, the lower side of second threaded rod 16 is provided with air outlet component 17, the upper side outer end position of air outlet component 17 is provided with second sliding rod 18, the output end of air pump 2 and the input end of inflation pipe 3 are through, the output end of inflation pipe 3 and the input end of gas tank 4 are through, the output end of gas tank 4 and the input end of air outlet pipe 5 are through, the output end of air outlet pipe 5 and the input end of air inlet component 6 are through, the output end of air inlet component 6 and the input end of pressure release valve main body 7 are through, the output end of pressure release valve main body 7 and the input end of air outlet component 17 are through, the output end of air outlet component 17 and the input end of output pipe 9 are through, the output end of output pipe 9 and the input end of pressure sensor 10 are through, the upper end of first threaded rod 13 rotates at the upper side position of first mounting bracket 11, the lower end of first threaded rod 13 rotates at the upper side position of pressure block 14, the upper end of first sliding rod 15 slides at the upper side position of first mounting bracket 11, pressure block 14 slides at the inside position of first mounting bracket 11 by first threaded rod 13 and first sliding rod 15, the upper end of second threaded rod 16 rotates at the upper side position of first mounting bracket 11, the lower end of second threaded rod 16 rotates at the upper side position of air outlet component 17, the upper end of second sliding rod 18 slides at the upper side position of first mounting bracket 11, air outlet component 17 slides at the inside position of first mounting bracket 11 by second threaded rod 16 and second sliding rod 18, first, a kind of pressure release valve calibration bench is placed to use position, then, pressure release valve main body 7 is placed to the upper side of air inlet component 6, the upper end of first threaded rod 13 rotates at the upper side of first mounting bracket 11, the lower end of first threaded rod 13 rotates at the upper side of pressure block 14, the upper end of first sliding rod 15 slides at the upper side of first mounting bracket 11, pressure block 14 is pressed to the upper side of pressure release valve main body 7, the upper end of second threaded rod 16 rotates at the upper side of first mounting bracket 11, the lower end of second threaded rod 16 rotates at the upper side of sliding block 25, the upper end of second sliding rod 18 slides at the upper side of first mounting bracket 11,The air outlet member 17 slides outside the first mounting bracket 11, the position of the air outlet member 17 is adjusted, the air outlet member 17 moves to the output end of the pressure release valve body 7, the installation of the pressure release valve body 7 is completed, finally, the air pump 2 operates to inflate the gas tank 4 through the inflation pipe 3, the gas in the gas tank 4 is introduced into the inside of the air inlet member 6 through the air outlet pipe 5, the gas in the inside of the air inlet member 6 is introduced into the inside of the pressure release valve body 7, the pressure release valve body 7 is pressed, the released pressure is introduced into the inside of the output pipe 9, and the pressure sensor 10 detects the pressure in the inside of the output pipe 9.

[0022] In Figure 1 , 2, 3, 4: the air inlet member 6 comprises a second mounting frame 19, the upper end of the second mounting frame 19 is provided with a third sliding rod 20, the upper side of the third sliding rod 20 is provided with a first pressure plate 21, the upper side of the first pressure plate 21 is provided with an air outlet head 22, the upper side of the second mounting frame 19 is provided with a second sliding opening 23, the outer side of the third sliding rod 20 is provided with a spring 24 at the corresponding side position of the second mounting frame 19 and the first pressure plate 21, the air outlet member 17 comprises a sliding block 25, the inside of the sliding block 25 is provided with an electric telescopic rod 26, the front end of the electric telescopic rod 26 is provided with a second pressure plate 27, the front side of the second pressure plate 27 is provided with an air inlet head 28, the front side of the sliding block 25 is provided with a third sliding opening 29, the third sliding rod 20 slides at the upper end position of the second mounting frame 19, the first pressure plate 21 slides at the upper side position of the second mounting frame 19 through the third sliding rod 20, one end of the air outlet pipe 5 slides at the inside position of the second sliding opening 23, the output end of the air outlet pipe 5 is in communication with the input end of the air outlet head 22, the second pressure plate 27 slides at the front side position of the sliding block 25 through the electric telescopic rod 26, one end of the output pipe 9 slides at the inside position of the third sliding opening 29, the output end of the air inlet head 28 is in communication with the input end of the output pipe 9, the pressure release valve body 7 is placed at the upper side of the first pressure plate 21, the air outlet head 22 is inserted into the input end of the pressure release valve body 7, the upper end of the first threaded rod 13 rotates at the upper side of the first mounting frame 11, the lower end of the first threaded rod 13 rotates at the upper side of the pressing block 14, the upper end of the first sliding rod 15 slides at the upper side of the first mounting frame 11, the pressing block 14 is pressed to the upper side of the pressure release valve body 7, the spring 24 is contracted, the lower end of the third sliding rod 20 slides at the upper side of the second mounting frame 19, the air outlet pipe 5 slides at the inside of the second sliding opening 23, the pressure of the pressure release valve body 7 is automatically adjusted, the upper end of the second threaded rod 16 rotates at the upper side of the first mounting frame 11, the lower end of the second threaded rod 16 rotates at the upper side of the sliding block 25, the upper end of the second sliding rod 18 slides at the upper side of the first mounting frame 11, the sliding block 25 slides at the outside of the first mounting frame 11, the position of the second pressure plate 27 is adjusted, the electric telescopic rod 26 operates to push the second pressure plate 27 to move to the output end of the pressure release valve body 7, the air inlet head 28 is inserted into the output end of the pressure release valve body 7, the output pipe 9 slides at the inside of the third sliding opening 29, the installation of the pressure release valve body 7 is completed, finally, the air pump 2 operates to inflate the gas tank 4 through the inflation pipe 3, the gas in the gas tank 4 is introduced into the inside of the air outlet head 22 through the air outlet pipe 5, the gas in the inside of the air outlet head 22 is introduced into the inside of the pressure release valve body 7, the pressure release valve body 7 is pressed, the released pressure is introduced into the inside of the output pipe 9 through the air inlet head 28.

[0023] The working principle of the utility model is: firstly, a pressure release valve check table is placed to the use position, then, the pressure release valve main body 7 is placed to the upside of the first pressure plate 21, the air outlet head 22 is inserted into the input end of the pressure release valve main body 7, the upper end of the first threaded rod 13 rotates at the upside of the first mounting frame 11, the lower end of the first threaded rod 13 rotates at the upside of the pressing block 14, the upper end of the first sliding rod 15 slides at the upside of the first mounting frame 11, the pressing block 14 is pressed to the upside of the pressure release valve main body 7, the spring 24 is contracted, the lower end of the third sliding rod 20 slides at the upside of the second mounting frame 19, the air outlet pipe 5 slides in the second sliding opening 23, the pressure release valve main body 7 is automatically adjusted to the pressure tightness, the upper end of the second threaded rod 16 rotates at the upside of the first mounting frame 11, the lower end of the second threaded rod 16 rotates at the upside of the sliding block 25, the upper end of the second sliding rod 18 slides at the upside of the first mounting frame 11, the sliding block 25 slides at the outside of the first mounting frame 11, the position of the second pressure plate 27 is adjusted, the electric telescopic rod 26 operates and pushes the second pressure plate 27 to move to the output end of the pressure release valve main body 7, the air inlet head 28 is inserted into the output end of the pressure release valve main body 7, the output pipe 9 slides in the third sliding opening 29, the installation of the pressure release valve main body 7 is completed, finally, the air pump 2 operates and fills the gas tank 4 through the air filling pipe 3, the gas in the gas tank 4 is guided into the inside of the air outlet head 22 through the air outlet pipe 5, the gas in the air outlet head 22 is guided into the inside of the pressure release valve main body 7, the pressure release valve main body 7 is pressed, the released pressure is guided into the inside of the output pipe 9 through the air inlet head 28, and the pressure sensor 10 detects the pressure in the output pipe 9.

[0024] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A pressure relief valve test bench comprising an operating table (1), an air charging pump (2), an air charging pipe (3), an air tank (4) and an air outlet pipe (5), the air charging pump (2) is located at one end of the inside of the operating table (1), the air charging pipe (3) is located at one end of the air charging pump (2), the air tank (4) is located at the other end of the inside of the operating table (1), and the air outlet pipe (5) is located at one end of the air tank (4), characterized in that, The upper side of the operating platform (1) is provided with an air inlet component (6), the upper side of the air inlet component (6) is provided with a pressure release valve body (7), the upper side rear end position of the operating platform (1) is provided with a positioning component (8), the rear side of the positioning component (8) is provided with an output pipe (9), one end of the output pipe (9) is provided with a pressure sensor (10), the positioning component (8) comprises a first mounting frame (11), the rear side of the first mounting frame (11) is provided with a first sliding port (12), the upper side front end position of the first mounting frame (11) is provided with a first threaded rod (13), the lower side of the first threaded rod (13) is provided with a pressing block (14), the upper side outer end position of the pressing block (14) is provided with a first sliding rod (15), the upper side rear end position of the first mounting frame (11) is provided with a second threaded rod (16), the lower side of the second threaded rod (16) is provided with an air outlet component (17), and the upper side outer end position of the air outlet component (17) is provided with a second sliding rod (18).

2. A pressure relief valve test bench according to claim 1, characterized in that The air inlet component (6) comprises a second mounting frame (19), the upper end of the second mounting frame (19) is provided with a third sliding rod (20), the upper side of the third sliding rod (20) is provided with a first pressing disc (21), the upper side of the first pressing disc (21) is provided with an air outlet head (22), the upper side of the second mounting frame (19) is provided with a second sliding port (23), the outer side of the third sliding rod (20) is provided with a spring (24) at the corresponding side position of the second mounting frame (19) and the first pressing disc (21), the air outlet component (17) comprises a sliding block (25), the inside of the sliding block (25) is provided with an electric telescopic rod (26), the front end of the electric telescopic rod (26) is provided with a second pressing disc (27), the front side of the second pressing disc (27) is provided with an air inlet head (28), and the front side of the sliding block (25) is provided with a third sliding port (29).

3. A pressure relief valve test bench according to claim 1, characterized in that The output end of the air charging pump (2) penetrates the input end of the air charging pipe (3), the output end of the air charging pipe (3) penetrates the input end of the gas tank (4), the output end of the gas tank (4) penetrates the input end of the air outlet pipe (5), the output end of the air outlet pipe (5) penetrates the input end of the air inlet component (6), the output end of the air inlet component (6) penetrates the input end of the pressure release valve body (7), the output end of the pressure release valve body (7) penetrates the input end of the air outlet component (17), the output end of the air outlet component (17) penetrates the input end of the output pipe (9), and the output end of the output pipe (9) penetrates the input end of the pressure sensor (10).

4. A pressure relief valve test bench according to claim 1, characterized in that, The upper end of the first threaded rod (13) is rotatable at the upper side of the first mounting frame (11), the lower end of the first threaded rod (13) is rotatable at the upper side of the pressing block (14), the upper end of the first sliding rod (15) is slidable at the upper side of the first mounting frame (11), and the pressing block (14) is slidable at the inner side of the first mounting frame (11) through the first threaded rod (13) and the first sliding rod (15).

5. A pressure relief valve test bench according to claim 1, wherein, The upper end of the second threaded rod (16) is rotatable at the upper side of the first mounting frame (11), the lower end of the second threaded rod (16) is rotatable at the upper side of the air outlet member (17), the upper end of the second sliding rod (18) is slidable at the upper side of the first mounting frame (11), and the air outlet member (17) is slidable at the inner side of the first mounting frame (11) through the second threaded rod (16) and the second sliding rod (18).

6. A pressure relief valve test bench according to claim 2, wherein, The third sliding rod (20) is slidable at the upper end of the second mounting frame (19), the first pressing plate (21) is slidable at the upper side of the second mounting frame (19) through the third sliding rod (20), one end of the air outlet pipe (5) is slidable at the inner side of the second sliding opening (23), and the output end of the air outlet pipe (5) is in communication with the input end of the air outlet head (22).

7. A pressure relief valve test bench according to claim 2, wherein, The second pressing plate (27) is slidable at the front side of the sliding block (25) through the electric telescopic rod (26), one end of the output pipe (9) is slidable at the inner side of the third sliding opening (29), and the output end of the air inlet head (28) is in communication with the input end of the output pipe (9).

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