CN111982499A - High-pressure valve rapid action test device - Google Patents
High-pressure valve rapid action test device Download PDFInfo
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- CN111982499A CN111982499A CN202010880299.XA CN202010880299A CN111982499A CN 111982499 A CN111982499 A CN 111982499A CN 202010880299 A CN202010880299 A CN 202010880299A CN 111982499 A CN111982499 A CN 111982499A
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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Abstract
The invention discloses a high-pressure valve rapid action test device which comprises a test platform and is characterized in that two symmetrical vertical plates are fixedly mounted on the top surface of the test platform, transverse plates are fixedly mounted on the side surfaces, close to the two vertical plates, of the two vertical plates, an electric push rod is fixedly mounted on the bottom surface of the transverse plate, a clamping portion is arranged at the output end of the electric push rod, two symmetrical base plates are fixedly mounted on the top surface of the test platform, a PLC (programmable logic controller) and a driving motor are respectively arranged on the two side surfaces of the test platform, a bidirectional threaded rod is fixedly mounted at the output end of the driving motor, two symmetrical threaded sleeves are in threaded connection with the outer surface of the bidirectional threaded rod, mounting rods are hinged to the tops of the two threaded sleeves, and a valve placing plate is hinged. The invention can make the arc-shaped clamping plate and the valve port perform multi-point contact clamping, so that the stability of the valve to be tested is higher during clamping.
Description
Technical Field
The invention belongs to the field of valve service life tests, relates to a valve test equipment technology, and particularly relates to a high-pressure valve rapid action test device.
Background
The valve is a fitting part of the pipeline for opening and closing the pipeline, controlling the flow direction, adjusting and controlling parameters of a conveying medium, and can be divided into a shut-off valve, a check valve, an adjusting valve and the like according to the functions of the valve; the valve is a control part in a fluid conveying system, has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for the valve of the fluid control system, and has quite a plurality of varieties and specifications from the simplest stop valve to various valves used in an extremely complicated automatic control system.
Traditional valve rapid action test equipment is when pressing from both sides tight the valve that awaits measuring, adopts the arc clamp splice directly to press from both sides tight at the both ends of valve usually, and because the tip of valve all is equipped with the screw thread generally, the interior disc of arc clamp splice is difficult to hold the valve that awaits measuring with the steady, and this has just resulted in the stability of valve in the process of the test not high, and the accuracy nature of testing result is lower.
Disclosure of Invention
The invention aims to provide a high-pressure valve rapid action test device;
the technical problems to be solved by the invention are as follows:
(1) how to provide a valve fast acting test device which can stably clamp the valve at two sides of the valve;
(2) how to control the valve placing plate to lift enables the valve to be supported by the valve placing plate after the two ends of the valve are clamped tightly, and the stability of valve clamping is further improved.
The purpose of the invention can be realized by the following technical scheme:
a high-pressure valve rapid action test device comprises a test platform, wherein uniformly distributed support columns are fixedly mounted at the bottom of the test platform, a base is fixedly mounted at the bottom of each support column, two symmetrical vertical plates are fixedly mounted on the top surface of the test platform, gas receiving ports are formed in the side surfaces, close to the two vertical plates, of the two vertical plates, one ends, far away from the two gas receiving ports, of the two vertical plates respectively penetrate through the two vertical plates, a transverse plate is fixedly mounted on the side surfaces, close to the two vertical plates, of the two vertical plates, an electric push rod is fixedly mounted on the bottom surface of the transverse plate, a clamping part is arranged at the output end of the electric push rod, two symmetrical base plates are fixedly mounted on the top surface of the test platform, the side surfaces, far away from the two base plates, of the two base plates are respectively and fixedly connected with the side surfaces of the, the two sides of the test platform are respectively provided with a PLC (programmable logic controller) and a driving motor, the bottom of the driving motor is fixedly connected with the sides of the test platform through a motor base, the output end of the driving motor is fixedly provided with a bidirectional threaded rod, one end of the bidirectional threaded rod, which is far away from the driving motor, is movably connected with the inner side wall of a first groove through a bearing, the outer surface of the bidirectional threaded rod is in threaded connection with two symmetrical threaded sleeves, the bottom of each threaded sleeve is fixedly provided with a connecting block, the bottom of each connecting block is fixedly provided with a sliding block, the bottom wall of the first groove is provided with a sliding rail, the bottom of each sliding block is movably connected with the corresponding sliding rail, the tops of the two threaded sleeves are both hinged;
the clamping part comprises an arc-shaped clamping plate, the outer circular surface of the arc-shaped clamping plate is fixedly connected with the output end of the electric push rod, an arc-shaped groove is formed in the inner side surface of the arc-shaped clamping plate, a plurality of first springs are fixedly mounted on the inner wall of the arc-shaped groove, clamping balls are fixedly mounted at the ends, far away from the inner wall of the arc-shaped groove, of the first springs, and the ends, far away from the first springs, of the clamping balls extend to the outer portion of the arc-;
the output end of the PLC is electrically connected with the input ends of the electric push rod and the driving motor.
Further, the second groove is formed in the valve placing plate, the mounting seats and the electric heating tubes are arranged between the mounting seats, the side face of the valve placing plate is provided with the temperature sensor, and the temperature sensor is electrically connected with the external display screen.
Further, two equal fixed mounting in side that the riser is close to mutually has two symmetrical stoppers, two the stopper is located the both sides of clamping part respectively, fixed mounting has the slide bar between stopper top surface and the diaphragm bottom surface, slide bar surface swing joint has the sliding sleeve, fixed mounting has the connecting rod between sliding sleeve side and the outer disc of arc clamp splice.
Furthermore, two air inlet inner walls are provided with O-shaped sealing rings.
Further, the fixed welding of bottom wall has evenly distributed's fixed block in the first recess, the bottom of slide rail and the equal fixed connection in top of a plurality of fixed blocks.
Further, the electrothermal tube includes a plurality of straight tube portions and bent tube portion, the bent tube portion is semi-circular return bend, bent tube portion both ends are connected with two adjacent straight tube portions respectively.
Furthermore, the two vertical plates are respectively positioned at two sides of the valve placing plate, and the axial leads of the two air receiving ports and the two arc-shaped placing grooves are positioned on the same horizontal line.
Furthermore, the inner wall of the arc-shaped groove is fixedly provided with evenly distributed separating blocks, the number of the separating blocks is m, the number of the first springs is n, and m is n-1.
The use method of the high-pressure valve rapid action test device comprises the following steps:
the first step is as follows: the two ends of the valve to be tested are respectively placed in the arc-shaped placing grooves on the two base plates, the PLC is used for starting the two electric push rods to push the clamping portion to move downwards, after the clamping balls of the clamping portion are contacted with the surface of the valve, the first spring contracts, the clamping balls distributed in an arc shape clamp the valve on the outer surface of the annular valve, after each clamping ball is tightly contacted with the surface of the valve, the electric push rods are closed through the PLC, and at the moment, the two sides of the valve are clamped by the clamping portions;
the second step is that: the driving motor is started to drive the bidirectional threaded rod to rotate, the slide rail has a limiting effect on the slide block arranged at the bottom of the threaded sleeve, and the slide block can only slide along the slide rail, so that when the bidirectional threaded rod rotates, the two threaded sleeves are close to each other on the bidirectional threaded rod, the valve placing plate is jacked up through the two arranged mounting rods, the position of the valve placing plate is raised until the top surface of the valve placing plate is contacted with the bottom surface of the valve, and therefore the valve placing plate is utilized to support the valve, the valve is clamped more stably, and the accuracy of a detection result is improved;
the third step: start the electrothermal tube, place the board to the valve and heat, the top surface that the board was placed to the valve gives the valve that awaits measuring with heat transfer, heat the valve that awaits measuring, make the valve that awaits measuring intensifies, temperature sensor places the temperature of board top air with the valve and detects, and send the temperature value to external display screen in real time, when the temperature value risees to appointed temperature, be connected the connector of external supercharging equipment through the both ends that connect the gas port with the valve, the pressure boost detects.
The invention has the beneficial effects that: the invention has the following beneficial effects:
1. the plurality of compressed first springs enable each clamping ball to be in close contact with the surface of the valve port, so that the stability of the valve to be tested is higher during clamping, and the accuracy of a test result is improved;
2. the two-way threaded rod can be driven to rotate by the arranged driving motor, the two threaded sleeves are controlled to be close to each other on the two-way threaded rod under the action of matching and limiting of the sliding rail and the sliding block, and the valve placing plate is jacked up by the two mounting rods, so that the valve placing plate supports the valve to be tested from the middle position, and the stability of the valve to be tested in the test process is further ensured;
3. the valve to be tested can be heated after the top surface of the valve placing plate is contacted with the valve to be tested by arranging the groove in the valve placing plate and arranging the electric heating tube in the groove, meanwhile, the temperature sensor can monitor the air temperature around the valve to be tested in real time and convey the temperature value to an external display screen for displaying, so that the valve to be tested can be heated to different temperatures, the valves under different temperature environments can be tested, and the test result is more convincing;
4. the top of placing the board through placing at the valve installs a plurality of second springs and cushion, utilize a plurality of cushions and second spring to support the valve that awaits measuring, because the surface irregularity of valve that awaits measuring, when using the valve to place the board and directly with valve surface contact, the whole plane of board and the surface contact area of valve that awaits measuring are placed to the valve is less, the inhomogeneous condition of valve atress may appear, therefore, utilize a plurality of cushions to replace the valve to place the board and contact with the valve that awaits measuring, can make the cushion bigger with the area of contact on valve surface that awaits measuring, the bottom of each cushion all is provided with the second spring simultaneously, can guarantee that each cushion all can contact with the valve surface that awaits measuring, thereby improve the supporting effect to the valve that awaits measuring, further improve the stability of valve that awaits measuring in.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a side view of the structure of example 1 of the present invention;
FIG. 2 is a front view of the structure of embodiment 1 of the present invention;
FIG. 3 is a left side view of the structure of the cross plate and the backing plate in embodiment 1 of the present invention;
FIG. 4 is a left side sectional view showing the structure of a clamping portion in embodiment 1 of the present invention;
FIG. 5 is a left side sectional view showing the structure of a test platform in example 1 of the present invention;
FIG. 6 is a sectional top view showing the structure of a valve-placing plate in embodiment 1 of the present invention;
fig. 7 is a structural side view of a valve-placing plate in embodiment 2 of the present invention.
In the figure: 1. a test platform; 2. a support pillar; 3. a base; 4. a vertical plate; 5. an air receiving port; 6. a transverse plate; 7. an electric push rod; 8. a clamping portion; 801. an arc-shaped splint; 802. an arc-shaped slot; 803. a first spring; 804. clamping a ball; 805. a separation block; 9. a base plate; 10. an arc-shaped placing groove; 11. a first groove; 12. a PLC controller; 13. a drive motor; 14. a bidirectional threaded rod; 15. a threaded sleeve; 16. connecting blocks; 17. a slider; 18. a slide rail; 19. mounting a rod; 20. a valve placing plate; 21. a second groove; 22. a mounting seat; 23. an electric heating tube; 231. a straight tube portion; 232. a bent pipe portion; 24. a limiting block; 25. a slide bar; 26. a sliding sleeve; 27. a connecting rod; 28. a fixed block; 29. a second spring; 30. cushion blocks; 31. a non-slip mat.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-6, a high pressure valve rapid action test device comprises a test platform 1, wherein the bottom of the test platform 1 is fixedly provided with evenly distributed support columns 2, the number of the support columns 2 is four, four support columns 2 are evenly distributed at four corners of the bottom surface of the test platform 1, the bottom of each support column 2 is fixedly provided with a base 3, the base 3 is used for connecting the support columns 2 with the bottom surface, the top surface of the test platform 1 is fixedly provided with two symmetrical vertical plates 4, the side surfaces of the two vertical plates 4 close to each other are respectively provided with an air receiving port 5, the inner walls of the two air receiving ports 5 are respectively provided with an O-shaped sealing ring, the connection sealing performance between an air inlet, an air outlet and the air receiving port 5 of external equipment is improved, the two air receiving ports 5 are respectively used for connecting the input end and the output end of the external supercharging equipment, and the end of the, the two vertical plates 4 are respectively positioned at two sides of a valve placing plate 20, the axial leads of the two air receiving ports 5 and the two arc-shaped placing grooves 10 are positioned at the same horizontal line, after the valve is fixed through a backing plate 9 and a clamping part 8, the air inlet end and the air outlet end of an external supercharging device can be respectively connected with the two air receiving ports 5 to carry out supercharging test on the valve, the lateral surfaces of the two vertical plates 4 close to each other are fixedly provided with a transverse plate 6, the installation positions of the two transverse plates 6 on the vertical plates 4 are the same, the bottom surface of the transverse plate 6 is fixedly provided with an electric push rod 7, the output end of the electric push rod 7 is provided with the clamping part 8, the two clamping parts 8 are utilized to clamp the valve at two ends of the valve to be tested, the top surface of the test platform 1 is fixedly provided with two symmetrical backing plates 9, the backing plates 9 are used for supporting two ends of the valve to be tested, the two backing plates 9 are respectively positioned under the two clamping parts 8, the top of each backing plate 9 is provided with an arc-shaped placing groove 10, the inner wall of each arc-shaped placing groove 10 can be attached to a valve port, so that a valve to be tested is placed between the two backing plates 9 more stably, a first groove 11 is formed in the test platform 1, fixed blocks 28 which are uniformly distributed are fixedly welded on the inner bottom wall of the first groove 11, the bottom of each slide rail 18 is fixedly connected with the tops of the plurality of fixed blocks 28, the connection between each slide rail 18 and the inner bottom wall of the first groove 11 is enhanced, two side surfaces of the test platform 1 are respectively provided with a PLC (programmable logic controller) 12 and a driving motor 13, the opening and closing of the flashlight push rod and the connection and disconnection of the electric heating tube 23 circuit are automatically controlled through the PLC 12, and the bottom of the driving motor 13 is fixedly connected with the side surfaces of the test platform 1 through, the output end of the driving motor 13 is fixedly provided with a bidirectional threaded rod 14, the driving motor 13 drives the bidirectional threaded rod 14 to rotate, so that the two threaded sleeves 15 are close to each other on the bidirectional threaded rod 14, the valve placing plate 20 is jacked up through the mounting rod 19, the valve placing plate 20 has a supporting effect on the valve to be tested, and the stability of the valve to be tested is higher during testing, one end of the bidirectional threaded rod 14, far away from the driving motor 13, is movably connected with the inner side wall of the first groove 11 through a bearing, the outer surface of the bidirectional threaded rod 14 is in threaded connection with the two symmetrical threaded sleeves 15, the bottom of each threaded sleeve 15 is fixedly provided with a connecting block 16, the bottom of each connecting block 16 is fixedly provided with a sliding block 17, the bottom wall of the first groove 11 is provided with a sliding rail 18, the bottom of each sliding block 17 is movably connected with the sliding rail 18, when the bidirectional threaded rod 14 rotates, the threaded sleeves 15 cannot rotate along with the bidirectional threaded rod 14 and can only approach or separate from each other along the bidirectional threaded rod 14, so that the valve placing plate 20 is controlled to be lifted, the top parts of the two threaded sleeves 15 are hinged with the mounting rods 19, and the valve placing plate 20 is hinged between the top parts of the two mounting rods 19;
the clamping portion 8 includes an arc-shaped clamping plate 801, an outer circular surface of the arc-shaped clamping plate 801 is fixedly connected with an output end of the electric push rod 7, an arc-shaped groove 802 is formed in an inner side surface of the arc-shaped clamping plate 801, a plurality of first springs 803 are fixedly mounted on an inner wall of the arc-shaped groove 802, clamping balls 804 are fixedly mounted at ends of the first springs 803 far away from the inner wall of the arc-shaped groove 802, one ends of the clamping balls 804 far away from the first springs 803 extend to the outside of the arc-shaped groove 802, uniformly distributed separating blocks 805 are fixedly mounted on the inner wall of the arc-shaped groove 802, the number of the separating blocks 805 is m, the number of the first springs 803 is n, m is n-1, the separating blocks 805 are used for separating the first springs 803, the first springs 803 are prevented from being wound together when the first springs 803 are extended and retracted, and the arc-shaped clamping plate 801 and the clamping balls 804 are arranged inside the arc-shaped clamping plate 801, so that, each ball clamp 804 is in point contact with the surface of the valve port, the contact area is small, and each ball clamp 804 is in close contact with the surface of the valve port through the plurality of compressed first springs 803, so that the stability of the valve to be tested is higher during clamping, and the accuracy of the test result is improved;
the output end of the PLC 12 is electrically connected with the input ends of the electric push rod 7 and the driving motor 13.
The valve placing plate 20 is internally provided with a second groove 21, two inner side walls of the second groove 21 are fixedly provided with mounting seats 22, an electric heating tube 23 is arranged between the two mounting seats 22, the electric heating tube 23 comprises a plurality of straight tube parts 231 and a bent tube part 232, the bent tube part 232 is a semicircular bent tube, two ends of the bent tube part 232 are respectively connected with two adjacent straight tube parts 231, the length of a heating area of the electric heating tube 23 is increased in a winding connection mode, so that the electric heating tube 23 can rapidly heat the valve placing plate 20, the side surface of the valve placing plate 20 is provided with a temperature sensor which is electrically connected with an external display screen, the electric heating tube 23 arranged in the groove can heat the valve to be tested after the top surface of the valve placing plate 20 is contacted with the valve to be tested, and simultaneously the temperature sensor can monitor the air temperature around the valve to be tested, and the temperature value is transmitted to an external display screen to be displayed, so that the valve to be tested can be heated to different temperatures, the valve under different temperature environments is tested, and the test result is more convincing.
Two equal fixed mounting in side that riser 4 is close to mutually has two symmetrical stopper 24, two stopper 24 is located the both sides of clamping part 8 respectively, fixed mounting has slide bar 25 between stopper 24 top surface and the 6 bottom surfaces of diaphragm, slide bar 25 surface swing joint has sliding sleeve 26, fixed mounting has connecting rod 27 between sliding sleeve 26 side and the outer disc of arc clamp splice, when making arc splint 801 reciprocate, the sliding sleeve 26 of both sides all slides on slide bar 25 in step to can guarantee that arc splint 801 moves in vertical direction, can not take place the skew, make the tip that arc splint 801 can be better agree with mutually with the valve that awaits measuring.
The use method of the high-pressure valve rapid action test device comprises the following steps:
the first step is as follows: placing two ends of a valve to be tested in arc-shaped placing grooves 10 on two base plates 9 respectively, starting two electric push rods 7 through a PLC (programmable logic controller) 12 to push a clamping part 8 to move downwards, contracting a first spring 803 after a clamping ball 804 of the clamping part 8 is contacted with the surface of the valve, clamping the valve by the arc-shaped clamping balls 804 on the outer surface of the circular valve, closing the electric push rods 7 through the PLC 12 after each clamping ball 804 is tightly contacted with the surface of the valve, and clamping two sides of the valve by the clamping part 8 at the moment;
the second step is that: the driving motor 13 is started to drive the bidirectional threaded rod 14 to rotate, the slide rail 18 has a limiting effect on the slide block 17 arranged at the bottom of the threaded sleeve 15, so that the slide block 17 can only slide along the slide rail 18, when the bidirectional threaded rod 14 rotates, the two threaded sleeves 15 are close to each other on the bidirectional threaded rod 14, the valve placing plate 20 is jacked up through the two arranged mounting rods 19, the position of the valve placing plate 20 is raised until the top surface of the valve placing plate 20 is contacted with the bottom surface of a valve, and the valve placing plate 20 is utilized to support the valve, so that the valve is clamped more stably, and the accuracy of a detection result is improved;
the third step: start electrothermal tube 23, place board 20 to the valve and heat, the top surface that board 20 was placed to the valve gives the valve that awaits measuring with heat transfer, heat the valve that awaits measuring, make the valve that awaits measuring heat up, temperature sensor places the temperature of board 20 top air with the valve and detects, and send the temperature value to external display screen in real time, when the temperature value risees to appointed temperature, be connected external supercharging equipment's connector through the both ends that connect gas port 5 and valve, the pressure boost detects.
Example 2
As shown in fig. 7, the present embodiment is different from embodiment 1 in that: the top surface of the valve placing plate 20 is fixedly provided with uniformly distributed second springs 29, one ends, far away from the valve placing plate 20, of the second springs 29 are fixedly provided with cushion blocks 30, and the side surfaces, far away from the second springs 29, of the cushion blocks 30 are fixedly provided with anti-skid pads 31.
Utilize a plurality of cushions 30 to replace the valve to place board 20 and contact with the valve that awaits measuring, can make cushion 30 and the area of contact on the valve surface that awaits measuring bigger, the bottom of each cushion 30 all is provided with second spring 29 simultaneously, can guarantee that each cushion 30 homoenergetic contacts with the valve surface that awaits measuring, thereby improve the support effect to the valve that awaits measuring, further improve the stability of valve that awaits measuring in the process of the test, slipmat 31 can increase the cushion 30 surface and await measuring the friction between the valve surface, avoid the valve that awaits measuring to appear sliding by the process of the test, not hard up phenomenon.
A high-pressure valve rapid action test device is characterized in that when the device is used, two ends of a valve to be tested are respectively placed in arc-shaped placing grooves in two base plates, two electric push rods are started through a PLC (programmable logic controller) to push a clamping portion to move downwards, after clamping balls of the clamping portion are contacted with the surface of the valve, a first spring contracts, the clamping balls distributed in an arc shape clamp the valve on the outer surface of the circular valve, after each clamping ball is tightly contacted with the surface of the valve, the electric push rods are closed through the PLC, and at the moment, two sides of the valve are clamped by the clamping portions; the driving motor is started to drive the bidirectional threaded rod to rotate, the slide rail has a limiting effect on the slide block arranged at the bottom of the threaded sleeve, and the slide block can only slide along the slide rail, so that when the threaded rod rotates, the two threaded sleeves are close to each other on the bidirectional threaded rod, the valve placing plate is jacked up through the two arranged mounting rods, the position of the valve placing plate is raised until the top surface of the valve placing plate is contacted with the bottom surface of the valve, and therefore the valve placing plate is utilized to support the valve, the valve is clamped more stably, and the accuracy of a detection result is improved; the electric heating pipe is started, the valve placing plate is heated, the top surface of the valve placing plate transfers heat to the valve to be tested, the valve to be tested is heated, the temperature of air above the valve placing plate is detected by the temperature sensor, the temperature value is sent to the external display screen in real time, when the temperature value is increased to a specified temperature, the connecting port of the external supercharging equipment is connected with the two ends of the valve through the air receiving port, and supercharging is carried out for detection;
the invention has the following beneficial effects:
1. the plurality of compressed first springs enable each clamping ball to be in close contact with the surface of the valve port, so that the stability of the valve to be tested is higher during clamping, and the accuracy of a test result is improved;
2. the two-way threaded rod can be driven to rotate by the arranged driving motor, the two threaded sleeves are controlled to be close to each other on the two-way threaded rod under the action of matching and limiting of the sliding rail and the sliding block, and the valve placing plate is jacked up by the two mounting rods, so that the valve placing plate supports the valve to be tested from the middle position, and the stability of the valve to be tested in the test process is further ensured;
3. the valve to be tested can be heated after the top surface of the valve placing plate is contacted with the valve to be tested by arranging the groove in the valve placing plate and arranging the electric heating tube in the groove, meanwhile, the temperature sensor can monitor the air temperature around the valve to be tested in real time and convey the temperature value to an external display screen for displaying, so that the valve to be tested can be heated to different temperatures, the valves under different temperature environments can be tested, and the test result is more convincing;
4. the top of placing the board through placing at the valve installs a plurality of second springs and cushion, utilize a plurality of cushions and second spring to support the valve that awaits measuring, because the surface irregularity of valve that awaits measuring, when using the valve to place the board and directly with valve surface contact, the whole plane of board and the surface contact area of valve that awaits measuring are placed to the valve is less, the inhomogeneous condition of valve atress may appear, therefore, utilize a plurality of cushions to replace the valve to place the board and contact with the valve that awaits measuring, can make the cushion bigger with the area of contact on valve surface that awaits measuring, the bottom of each cushion all is provided with the second spring simultaneously, can guarantee that each cushion all can contact with the valve surface that awaits measuring, thereby improve the supporting effect to the valve that awaits measuring, further improve the stability of valve that awaits measuring in.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (9)
1. The high-pressure valve rapid action test device comprises a test platform (1) and is characterized in that the bottom of the test platform (1) is fixedly provided with uniformly distributed support columns (2), the bottom of each support column (2) is fixedly provided with a base (3), the top surface of the test platform (1) is fixedly provided with two symmetrical vertical plates (4), the side surfaces, close to each other, of the two vertical plates (4) are respectively provided with an air connecting port (5), one ends, far away from each air connecting port (5), of the two vertical plates (4) respectively penetrate through the two vertical plates (4), the side surfaces, close to each other, of the two vertical plates (4) are respectively fixedly provided with a transverse plate (6), the bottom surface of each transverse plate (6) is fixedly provided with an electric push rod (7), the output end of each electric push rod (7) is provided with a clamping part (8), the top surface, the two sides of the backing plate (9) far away from each other are fixedly connected with the sides of the two vertical plates (4) respectively, the two backing plates (9) are located under the two clamping parts (8) respectively, the top of each backing plate (9) is provided with an arc-shaped placing groove (10), a first groove (11) is formed in the test platform (1), two sides of the test platform (1) are provided with a PLC (programmable logic controller) (12) and a driving motor (13) respectively, the bottom of the driving motor (13) is fixedly connected with the sides of the test platform (1) through a motor base, the output end of the driving motor (13) is fixedly provided with a bidirectional threaded rod (14), one end of the bidirectional threaded rod (14) far away from the driving motor (13) is movably connected with the inner side wall of the first groove (11) through a bearing, and the outer surface of the bidirectional threaded rod (14) is in threaded connection with two symmetrical, the bottom of each threaded sleeve (15) is fixedly provided with a connecting block (16), the bottom of each connecting block (16) is fixedly provided with a sliding block (17), the inner bottom wall of each first groove (11) is provided with a sliding rail (18), the bottom of each sliding block (17) is movably connected with each sliding rail (18), the tops of the two threaded sleeves (15) are hinged with mounting rods (19), and a valve placing plate (20) is hinged between the tops of the two mounting rods (19);
the clamping part (8) comprises an arc-shaped clamping plate (801), the outer circular surface of the arc-shaped clamping plate (801) is fixedly connected with the output end of the electric push rod (7), an arc-shaped groove (802) is formed in the inner side surface of the arc-shaped clamping plate (801), a plurality of first springs (803) are fixedly mounted on the inner wall of the arc-shaped groove (802), clamping balls (804) are fixedly mounted at one ends, far away from the inner wall of the arc-shaped groove (802), of the first springs (803), and one ends, far away from the first springs (803), of the clamping balls (804) extend to the outer portion of the arc-shaped groove (802);
the output end of the PLC (12) is electrically connected with the input ends of the electric push rod (7) and the driving motor (13).
2. The high-pressure valve rapid action test device according to claim 1, wherein a second groove (21) is formed in the valve placing plate (20), two inner side walls of the second groove (21) are both fixedly provided with mounting seats (22), an electric heating tube (23) is arranged between the two mounting seats (22), and a temperature sensor is arranged on a side surface of the valve placing plate (20) and electrically connected with an external display screen.
3. The high-pressure valve rapid action test device according to claim 1, wherein two side surfaces of the vertical plate (4) close to each other are fixedly provided with two symmetrical limiting blocks (24), two limiting blocks (24) are respectively located at two sides of the clamping portion (8), a sliding rod (25) is fixedly arranged between the top surface of the limiting block (24) and the bottom surface of the transverse plate (6), the outer surface of the sliding rod (25) is movably connected with a sliding sleeve (26), and a connecting rod (27) is fixedly arranged between the side surface of the sliding sleeve (26) and the outer circular surface of the arc-shaped clamping block.
4. The high-pressure valve rapid motion test device according to claim 1, wherein the inner wall of the air receiving port (5) is provided with an O-shaped sealing ring.
5. The high-pressure valve rapid action test device according to claim 1, wherein the bottom wall of the first groove (11) is fixedly welded with evenly distributed fixing blocks (28), and the bottom of the sliding rail (18) is fixedly connected with the tops of the fixing blocks (28).
6. The high pressure valve rapid action test device according to claim 2, wherein the electrical heating tube (23) comprises a plurality of straight tube portions (231) and bent tube portions (232), the bent tube portions (232) are semicircular bent tubes, and two ends of the bent tube portions (232) are respectively connected with two adjacent straight tube portions (231).
7. The high pressure valve rapid action test device according to claim 1, wherein the two vertical plates (4) are respectively located at two sides of the valve placing plate (20), and the axial lines of the two air receiving ports (5) and the two arc-shaped placing grooves (10) are located at the same horizontal line.
8. The high-pressure valve rapid action test device according to claim 1, wherein the inner wall of the arc-shaped groove (802) is fixedly provided with evenly distributed separating blocks (805), the number of the separating blocks (805) is m, and the number of the first springs (803) is n, wherein m is n-1.
9. The high pressure valve rapid action test device of claim 1, wherein the method of using the device comprises the steps of:
the first step is as follows: the two ends of a valve to be tested are respectively placed in arc-shaped placing grooves (10) on two base plates (9), two electric push rods (7) are started through a PLC (programmable logic controller) (12) to push clamping portions (8) to move downwards, after clamping balls (804) of the clamping portions (8) are contacted with the surfaces of the valve, first springs (803) contract, the clamping balls (804) distributed in an arc shape clamp the valve on the outer surface of the circular valve, after each clamping ball (804) is tightly contacted with the surface of the valve, the electric push rods (7) are closed through the PLC (12), and at the moment, the two sides of the valve are clamped by the clamping portions (8);
the second step is that: the driving motor (13) is started to drive the bidirectional threaded rod (14) to rotate, the sliding rail (18) has a limiting effect on the sliding block (17) arranged at the bottom of the threaded sleeve (15), the sliding block (17) can only slide along the sliding rail (18), so that when the bidirectional threaded rod (14) rotates, the two threaded sleeves (15) are close to each other on the bidirectional threaded rod (14), the valve placing plate (20) is jacked up through the two arranged mounting rods (19), the position of the valve placing plate (20) is lifted until the top surface of the valve placing plate (20) is contacted with the bottom surface of the valve, and the valve placing plate (20) is utilized to support the valve;
the third step: start electrothermal tube (23), place board (20) to the valve and heat, the top surface that board (20) were placed to the valve gives the valve that awaits measuring with heat transfer, heat the valve that awaits measuring, make the valve that awaits measuring heat up, temperature sensor places the temperature of board (20) top air with the valve and detects, and send the temperature value in real time to external display screen and show, when the temperature value risees to appointed temperature, be connected the connector of external supercharging equipment through the both ends that connect gas port (5) and valve, the pressure boost detects.
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| CN202010880299.XA CN111982499A (en) | 2020-08-27 | 2020-08-27 | High-pressure valve rapid action test device |
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| CN202010880299.XA CN111982499A (en) | 2020-08-27 | 2020-08-27 | High-pressure valve rapid action test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113917329A (en) * | 2021-09-28 | 2022-01-11 | 杭州纳智电机有限公司 | Performance test system and method for low-energy-consumption short-wheelbase high-performance servo motor |
| CN115415820A (en) * | 2022-10-12 | 2022-12-02 | 南通捷瑞阀门有限公司 | Safe type valve processingequipment |
| CN116698396A (en) * | 2023-07-21 | 2023-09-05 | 江苏科力博自动化设备有限公司 | Rechargeable fireproof valve opening and closing test device and method |
| CN116818322A (en) * | 2023-08-31 | 2023-09-29 | 沈阳金杯恒隆汽车转向系统有限公司 | Steering gear bearing radial rigidity test fixture |
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| CN116698396A (en) * | 2023-07-21 | 2023-09-05 | 江苏科力博自动化设备有限公司 | Rechargeable fireproof valve opening and closing test device and method |
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| CN116818322A (en) * | 2023-08-31 | 2023-09-29 | 沈阳金杯恒隆汽车转向系统有限公司 | Steering gear bearing radial rigidity test fixture |
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