CN115575105B - Pressure-bearing testing device of pressure valve - Google Patents

Pressure-bearing testing device of pressure valve Download PDF

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Publication number
CN115575105B
CN115575105B CN202211171182.XA CN202211171182A CN115575105B CN 115575105 B CN115575105 B CN 115575105B CN 202211171182 A CN202211171182 A CN 202211171182A CN 115575105 B CN115575105 B CN 115575105B
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China
Prior art keywords
clamping
pressure
connecting plate
shaft
pressing
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CN202211171182.XA
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CN115575105A (en
Inventor
杨志刚
佟桁
栗帅
朱琳
皮艳慧
王龙
肖腾
张刘钢
冯精良
王文韶
任宵啸
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Boiler & Pressure Vessel Safety Inspection Institute Of Henan Province
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Boiler & Pressure Vessel Safety Inspection Institute Of Henan Province
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Priority to CN202211171182.XA priority Critical patent/CN115575105B/en
Publication of CN115575105A publication Critical patent/CN115575105A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • G01M13/003Machine valves
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Abstract

The invention relates to the field of pressure bearing testing, in particular to a pressure valve pressure bearing testing device. The invention aims to provide a pressure-bearing testing device for pressure valves, which can carry out pressure-bearing tests on different fluids and flow sizes of pressure valves with different specifications. The utility model provides a pressure-bearing testing arrangement of pressure valve, includes closing device, touch-sensitive screen, controls clamping device, lower clamping device, air-blower, supercharging device, controls position control device, base, controls closing device, supercharging device establishes inside the base bottom for produce compressed air and compressed liquid and supply the pressure valve to carry out the pressure-bearing test, control position control device and establish at base middle part upper surface, control position control device top and be equipped with control clamping device and lower clamping device. The left-right position adjusting device drives the clamping device to adjust the left-right position, so that pressure valves with different specifications are met, liquid and gas are selected through electromagnetic valves in the pressurizing device, and two different fluid tests of the pressure valves are realized.

Description

Pressure-bearing testing device of pressure valve
Technical Field
The invention relates to the field of pressure bearing testing, in particular to a pressure valve pressure bearing testing device.
Background
The pressure valve is a visual and simple flow regulation control device, and in order to ensure that the pressure valve can be normally used, the pressure bearing test and the accurate pressure display test can be carried out on the pressure valve before the pressure valve is put into use.
The existing pressure valve bearing testing device is mainly used for testing pressure valves of the same specification or single fluid, when pressure valves of different specifications are switched, testing devices of different specifications are required to be customized, fluid and flow can not be switched, qualified judgment of testing is relatively subjective through the modes of looking at, hearing and the like, and testing of different fluids and pressures can not be conducted for pressure valves of multiple specifications.
Disclosure of Invention
The invention provides a pressure-bearing testing device of a pressure valve, which can carry out pressure-bearing tests on different fluids and flow sizes of pressure valves with different specifications.
In order to achieve the above object, the present invention provides the following technical solutions.
The utility model provides a pressure-bearing testing arrangement of pressure valve, including last closing device, the touch-sensitive screen, control clamping device, lower clamping device, the air-blower, supercharging device, control position adjustment device, the base, control closing device, supercharging device establishes in the base bottom inboard, rotor through supercharging device rotates, produce compressed air and compressed liquid and supply the pressure valve to carry out the pressure-bearing test, control position adjustment device establishes in base middle part upper surface, control position adjustment device top and be equipped with control clamping device and lower clamping device, control position adjustment device passes through the position control dish and drives the hold-in range, thereby control clamping device and lower clamping device control the position adjustment, it connects in the base top surface to go up clamping device upper portion down, control closing device and set up in control clamping device both sides connection and base top surface, the air-blower is established in base middle part upper surface, through the flabellum rotation, it is used for weather the water stain to drive air, the touch-sensitive screen is established at the base top surface, be used for equipment operation, the debugging.
Before the pressure valve bearing test, water is added into the water storage tank, the booster pump is opened, and compressed air and compressed liquid for the test are prepared.
Preferably, the upper pressing device comprises a pressing cylinder, a fixed block, a pressing guide shaft, a pressing plate, an upper and lower adjusting shaft, an upper and lower adjusting spring, a pressure sensor and a pressing cylinder connecting plate;
the pressing guide shaft is connected to the surface of the base, the upper and lower adjusting springs penetrate through the pressing guide shaft, the pressing plate penetrates through the pressing guide shaft to support the upper ends of the upper and lower adjusting springs, the fixing block penetrates through the upper and lower adjusting shafts and is fixed at the upper ends of the pressing plate, different pre-pressing is conducted through given adjusting springs and used for changing the limiting position of the adjusting pressing plate, the pressing cylinder is fixed at the upper end of the middle part of the pressing plate, the tail end of the pressing cylinder is connected with the pressing cylinder connecting plate, the pressing cylinder drives the pressing cylinder connecting plate and other parts to move through compressed air, and is used for pressing a pressure valve to be tested, the pressing guide shaft is connected to the upper end of the pressing cylinder connecting plate, penetrates through the pressing plate and is used for guiding when the pressing cylinder moves, the pressure sensor is located at the tail end of the pressing plate and used for detecting the pressed pressure and is used for adjusting the pressing force after being transmitted to the control system;
preferably, the left clamping device and the right clamping device comprise a clamping connecting block I, a sealing ring I, a clamping connecting rod, a clamping spring I, an adjusting connecting block, a connecting plate I and a clamping shaft I;
the first connecting plate is connected to one side of the second connecting plate, the adjusting connecting block is connected to the tail end of the first top of the connecting plate, the clamping spring is embedded into an arc shape with the inside of the adjusting connecting block, the bottom of the clamping connecting rod is connected to the center of the adjusting connecting block, the top of the clamping connecting rod is connected with the first clamping connecting block, the clamping connecting rod can swing along the center of the adjusting connecting block, the clamping spring is compressed and used for clamping a pressure valve, the first clamping shaft is connected to the center of the clamping connecting block, the left clamping shaft and the right clamping shaft are opposite and used for clamping a pressure valve with opposite inlet and outlet, the center of the first clamping shaft is a through hole and used for transporting test gas and liquid, and the first sealing ring is positioned on the first clamping shaft and used for sealing the inlet and outlet of the pressure valve;
preferably, the lower clamping device comprises a clamping shaft II, a sealing ring II, a clamping connecting block II, a clamping spring shaft and a connecting plate II;
the second clamping connecting block is connected to the top end of the second clamping spring shaft, the second clamping shaft is connected to the top end of the second clamping connecting block, the center of the second clamping shaft is a through hole for transporting test gas and liquid, and the second sealing ring is positioned on the second clamping shaft and used for sealing an inlet and an outlet of the pressure valve;
preferably, the tail end of the air blower is provided with an air outlet, after the pressure valve is used for testing liquid, the hose is communicated with the air outlet at the tail end of the air blower and one end of the inlet and the outlet of the pressure valve, the pressure valve is blown, residual liquid in the pressure valve is dried, and then the subsequent gas test is carried out;
preferably, the supercharging device comprises a supercharging fluid outlet, a supercharging fluid pipe, a supercharging pump, an electromagnetic valve, an air inlet pipe, a water inlet pipe, a gas filtering box, a water storage tank and a water inlet;
the air filtering box is positioned at the bottom of the base and used for filtering air, the water storage tank is positioned at the bottom of the base and used for storing test liquid, the water inlet is positioned at one side of the water storage tank, one end of the air inlet pipe is connected with the tail end of the air filtering box, one end of the air inlet pipe is connected with the electromagnetic valve, one end of the air inlet pipe is connected with the tail end of the water storage tank, one end of the air inlet pipe is connected with the electromagnetic valve, the electromagnetic valve is used for selecting whether the test is liquid or gas, the electromagnetic valve is controlled by the control system, the booster pump is positioned at the right end of the electromagnetic valve and used for boosting test fluid, the booster fluid pipe is positioned at the tail end of the booster pump and used for conveying the test fluid, a pressure sensor is arranged in the booster fluid pipe and used for detecting the pressure of the boosted fluid and transmitting the pressure to the control system, the pressure sensor is displayed on the touch screen and used for checking and comparing, and the booster fluid outlet is used for connecting the soft conveying pipe and conveying compressed fluid to the pressure valve;
preferably, the left-right position adjusting device comprises a synchronous belt, a synchronous belt connecting block, a rotating shaft, a position adjusting disc, a positioning pin, a rotating shaft connecting plate and a positioning disc;
the rotating shaft connecting plate is connected to the surface of the base, the rotating shaft penetrates through the rotating shaft connecting plate and is parallel to the top surface of the base, the positioning disc is connected to the tail end of the rotating shaft, the adjusting disc penetrates through the rotating shaft and is positioned at the tail end of the positioning disc and used for adjusting the positions of the left clamping device, the right clamping device and the lower clamping device, the positioning pin penetrates through the position adjusting disc and the positioning disc after being well adjusted in position and is used for fixing the positions, the synchronous belt is connected to the synchronous wheel at the tail end of the rotating shaft and is used for transmitting an upper end device, the synchronous belt connecting block is connected to the synchronous belt and moves along with the synchronous belt, the position adjusting disc adopts a circular large turntable, so that the rotating is labor-saving when the position adjusting disc is convenient to adjust the positions, and the front end of the position adjusting disc is provided with a dial for accurate position adjustment.
Preferably, the left and right clamping devices comprise a second pressure sensor, a left and right compression spring, a left and right compression cylinder, a left and right cylinder connecting plate, a guide rail connecting plate and a set screw;
the guide rail is connected to the upper surface of the base and used for driving the connected device to slide, the guide rail connecting plate is connected to the upper end of the guide rail, the set screw is connected to the bottom of the guide rail connecting plate and used for locking and fixing, the left and right cylinder connecting plates are connected to the right side of the guide rail connecting plate and are hinged and rotatable, after the position is determined, the left and right compression cylinders penetrate through the tail ends of the left and right cylinder connecting plates and are fixed, the left and right compression springs are connected to the front ends of the left and right compression cylinders and used for buffering and compressing pressure valves, the pressure can be adjusted through adjusting springs, and the second pressure sensor is positioned at the front ends of the left and right compression cylinders and used for detecting the compressed pressure and is transmitted to the control system and then used for adjusting the compressing force;
preferably, the compressing cylinder, the blower, the booster pump and the left and right compressing cylinders are power devices, the compressing cylinder drives the pressing plate and parts connected with the pressing plate to move up and down, the blower drives air to blow the residual liquid in the pressure valve, the booster pump drives the test fluid to boost pressure, and the left and right compressing cylinders drive the parts connected with the pressing plate to move left and right;
preferably, the device also comprises a plurality of groups of cylinder magnetic switches and limit switches which are arranged in the power device fixing groove, and all the driving devices, the signal wires, the control wires and the pressure detection wires are connected with the control device;
the invention introduces an upper compressing device, a left and right clamping device, a lower clamping device, a blower, a pressurizing device, a left and right position adjusting device and a left and right compressing device, wherein the device comprises a driving device and a detecting device, the clamping device comprises the left and right clamping device and the lower clamping device, pressure valves with different shapes can be met, the left and right position adjusting device drives the clamping device to adjust the left and right positions, the pressure valves with different specifications are met, the liquid and the gas are selected through the electromagnetic valve in the pressurizing device, the two different fluid tests of the pressure valves are realized, the pressure bearing test device of the pressure valve can realize the pressure bearing test of the pressure valves with multiple fluids, multiple specifications and multiple shapes, the practical range is wide, the efficiency is high, and the stability is good.
Drawings
Fig. 1 is a schematic perspective view of a pressure-bearing device according to the present invention.
Fig. 2 is a schematic structural view of the upper compressing device of the present invention.
Fig. 3 is a schematic structural view of the left and right clamping device of the present invention.
Fig. 4 is a schematic structural view of the lower clamping device of the present invention.
Fig. 5 is a schematic structural view of the supercharging device of the present invention.
Fig. 6 is a schematic structural view of the left-right position adjusting device of the present invention.
Fig. 7 is a schematic structural view of the left and right compressing device of the present invention.
The reference symbols in the drawings: the device comprises a first upper pressing device, a first 11-pressing cylinder, a first 12-fixed block, a second 13-pressing guide shaft, a first 14-pressing plate, a second 15-upper and lower adjusting shaft, a first 16-upper and lower adjusting spring, a first 17-pressure sensor, a first 18-pressing cylinder connecting plate, a 2-touch screen, a 3-left and right clamping device, a first 31-clamping connecting block, a first 32-sealing ring, a first 33-clamping connecting rod, a first 34-clamping spring, a first 35-adjusting connecting block, a first 36-connecting plate, a first 37-clamping shaft, a second 4-lower clamping device, a second 41-clamping shaft, a second 42-sealing ring, a second 43-clamping connecting block, a second 44-clamping spring, a second 45-clamping spring shaft, a second 46-connecting plate, a 5-blower, a 6-pressurizing device, a 61-pressurizing fluid outlet, a 62-pressurizing fluid pipe, a 63-pressurizing pump, a 64-electromagnetic valve, a 65-air inlet pipe, a 66-water inlet pipe, a 67-air box, a 68-69-water inlet, a 7-left and right position adjusting device, a 71-synchronous belt, a 72-synchronous belt, a 73-rotating shaft, a 74-position adjusting disk, a 75-positioning pin, a 76-connecting plate, a 77-left and right positioning plates, a 77-pressurizing fluid pipe, a 77-pressurizing screw, a 77-pressurizing cylinder, a left and a 9-pressurizing cylinder, a 96-pressurizing cylinder, a right guide rail, a 96, a left and a pressurizing screw, a 96-pressurizing cylinder, a 96.
Detailed Description
The following description is of the preferred embodiments of the invention, and is not intended to limit the scope of the invention.
Example 1
The utility model provides a pressure-bearing testing arrangement of pressure valve, as shown in fig. 1, including last closing device 1, touch-sensitive screen 2, control clamping device 3, lower clamping device 4, air-blower 5, supercharging device 6, control position control device 7, the base 8, control closing device 9, supercharging device 6 establishes in base 8 bottom inboard, rotor through supercharging device rotates, be used for producing compressed air and compressed liquid and supply the pressure valve to carry out the pressure-bearing test, control position control device 7 establishes at base 8 middle part upper surface, control position control device 7 top is equipped with control clamping device 3 and lower clamping device 4, control position control device 7 passes through position control disc 74 and drives hold-in range 71, thereby drive control clamping device 3 and lower clamping device 4 and control position control, it connects in base 8 top surface to go up closing device 1 setting in lower clamping device 4 upper portion, control closing device 9 sets up in control clamping device 3 both sides and connects in base 8 top surface, air-blower 5 is established at base 8 middle part upper surface, drive air and is used for the water stain through the flabellum rotation, touch-sensitive screen 2 is established in base 8 top surface, be used for equipment operation, debugging.
Before the pressure valve bearing test is carried out, water is added in a water storage tank 68, a booster pump 63 is opened, compressed air and compressed liquid for the test are prepared, after the pressurization is displayed in a touch screen 2, the pressure bearing test is carried out on the pressure valve, the type of the pressure valve is firstly judged, a left clamping device 3 or a right clamping device 4 is selected, after the device is selected, the inlet-outlet distance of the pressure valve is measured, according to the measurement result, the width adjustment is carried out on a left position adjusting device 7 and a right position adjusting device 74 through a rotating position adjusting disc 74, after the adjustment is finished, the pressure valve is put into the clamping device, the upper pressing device 1 or the left pressing device 9 is manually operated through the touch screen 2, the upper pressing spring 16 or the lower pressing spring 92 in the pressing device is adjusted according to the pressing condition, and after the adjustment is finished, after the pressure valve is tightly pressed by the touch screen 2 manual control pressing device, a hose is used for connecting the pressurized fluid outlet 61 with the pressure valve inlet, the pressure valve outlet is blocked, the test fluid is selected, then the fluid outlet valve is controlled to be opened by the touch screen 2, the pressure valve is internally punched, if the manual single-step operation equipment is correct, the automatic test mode is selected in the touch screen 2, various automatic test modes such as liquid stage type pressurizing test, gas stage type pressurizing test, hydraulic-gas stage type pressurizing test and the like can be carried out, the stage type pressurizing is carried out, the pressure is increased from small step to step, the pressure bearing in the first stage is free from leakage, the next stage pressurizing process is carried out, the pressure bearing test of the multi-fluid stage pressurizing pressure valve is realized, and the safety of the pressurizing test process is ensured.
Example 2
On the basis of embodiment 1, as shown in fig. 2, the upper pressing device 1 uses the principle that the pre-pressing degree of the upper and lower adjusting springs 16 is adjusted by adjusting the height of the fixed block 12, when the pressing cylinder 11 acts, the pressing plate 14 and the pressing guide shaft 13 connected with the pressing plate are driven to move downwards, the smooth running of the pressing cylinder 11 is ensured by the guiding of the pressing guide shaft 13, the flatness of the ground of the pressing plate 14 can be ensured, after the pressing plate 14 presses the pressure valve, the first pressure sensor 7 embedded in the pressing plate can transmit the pressure to the touch screen 2 for displaying, the test pressure and the pressure of the pressure sensor can be compared before the pressure valve is used for measuring the pressure, and the situation that the pressure measurement pressure is greater than the lower pressure and the positioning instability is caused is avoided.
Example 3
As shown in fig. 3, the left and right clamping device 3 uses the principle that after the position of the left and right position adjusting device 7 is adjusted through the width of an inlet and an outlet of a pressure valve, the clamping connecting rod 33 is manually moved to rotate around the center of the adjusting connecting block 35, whether the compression of the clamping spring 34 is normal or not is checked, the clamping connecting rod 33 is loosened, whether the first compression clamping spring 34 can press the connecting rod 33 back to the pre-pressing position or not is checked, the first clamping shafts 37 at the initial positions are parallel and opposite, whether the fluid holes in the centers of the first clamping shafts 37 at two sides are conducted or not is determined before the pressure valve is clamped, after the fluid holes are determined, the pressure valve is clamped in the left and right clamping device through rotating the clamping connecting rod 33, so that the quick clamping of the pressure valve is realized, and the stable clamping of the pressure valve can be realized through spring pre-pressing.
As shown in fig. 4, the lower clamping device 4 uses the principle that after the position of the left and right position adjusting device 7 is adjusted through the width of the inlet and outlet of the pressure valve, the second manual clamping connection block 43 is manually pressed to slide up and down, so that the sliding is smooth, whether the compression of the second clamping spring 44 is normal is checked, after the second clamping connection block 43 is loosened, whether the second clamping spring 44 can press the second clamping connection block 43 back to the pre-pressing position, the top surfaces of the two clamping shafts 41 at the pre-pressing position are flush, before the pressure valve is clamped, whether the fluid holes in the centers of the two clamping shafts 41 at the two vertical surfaces are conducted is determined, after the fluid holes are determined, the pressure valve is clamped at the upper end of the lower clamping device, and the pressure valve is slightly shaken to ensure that the pressure valve does not shake.
Example 4
As shown in fig. 5, the pressurizing device 6 is respectively communicated with the left clamping device 3, the right clamping device 4 and the left pressing device 9, the pressurizing device 6 uses the principle that a gas filtering box 67 is positioned at the bottom of a base for air filtering, a water storage tank 68 is positioned at the bottom of the base 8 for storing test liquid, a water inlet 69 is positioned at one side of the water storage tank, one end of a gas inlet pipe 65 is connected with the tail end of the gas filtering box 67, one end of the gas inlet pipe 66 is connected with the tail end of the water storage tank 68, one end of the gas inlet pipe is connected with the electromagnetic valve 64, the electromagnetic valve 64 is used for selecting whether the test is liquid or gas, the electromagnetic valve 64 is controlled by a control system, a booster pump 63 is positioned at the right end of the electromagnetic valve 64 and is used for boosting test fluid, a booster fluid pipe 62 is positioned at the tail end of the booster pump 63 and used for delivering test fluid, a pressure sensor is arranged in the booster fluid pipe 63 and used for detecting the pressure of the boosted fluid and transmitting the pressure to the control system, the pressure sensor is used for checking and comparing the test device, the step-up test is performed by the control system, the booster fluid outlet 61 is used for connecting the delivery pipe and delivering compressed fluid to the pressure valve; the pressurizing device 6 needs to be opened for a period of time in advance before testing, pressurizing preparation is performed, the water added into the water storage tank 68 is pure water, and the test gas is filtered through the air filtering box, so that the integrity of the interior after the pressure valve testing is realized, and the damage and maintenance of the conveying pipeline are reduced.
Example 5
As shown in fig. 6, the left and right position adjusting device 7 is based on the principle that the position adjusting disc 74 is a circular large turntable, so that the rotation is labor-saving when the position is adjusted, the front end of the position adjusting disc is provided with a dial for accurate position adjustment, the middle connection of the positioning disc 77 and the position adjusting disc 74 is connected by a stress bearing, the positioning disc 77 is fixed when the position adjusting disc 74 rotates, the positioning disc 77 is fixedly connected to the upper end of the rotating shaft connecting plate 76, and after the position is determined, the positioning pin 75 is adopted to pass through the space between the positioning disc 77 and the position adjusting disc 74, so that the position change caused by the error touching of the positioning disc 77 is avoided.
As shown in fig. 7, the left and right clamping device 9 is based on the principle that the left and right clamping device 9 can slide left and right through the lower end guide rail 95, after the width of the detection device is measured, the left and right clamping device 9 is slid to the corresponding position, after the detection is finished, the left and right cylinder connecting plate 94 is connected to the right side of the guide rail connecting plate 96 and is hinged, after the detection is finished, the left and right cylinder connecting plate 94 can be locked and fixed, the left and right compression cylinder 93 passes through the tail end of the left and right cylinder connecting plate 94 and is fixed, the left and right compression spring 92 is connected to the front end of the left and right compression cylinder 93 and is used for buffering and compressing a pressure valve, the pressure can be adjusted by adjusting the left and right compression spring 92, the second pressure sensor 91 is positioned at the front end of the left and right compression cylinder 93, the second pressure sensor 91 transmits the pressure to the touch screen 2 for displaying, the test pressure and the pressure of the second pressure sensor can be compared before the pressure valve is measured, the test pressure is prevented from being greater than the clamping pressure, and the occurrence of unstable positioning condition is avoided.
In order to enhance the linkage control and safety control of the whole equipment operation, a pressure detection, an emergency stop button and signal detection lines of all air cylinders are introduced, all signals are connected with a control system, the conditions of the in-place, pressure, no leakage and the like of the last driving device are met before each action, the control system can control the pressure test of the next stage, when any condition of grating, pressure and leakage is not met, the control system controls all devices to stop operation, the maximum test pressure and the device stop reason are displayed in a touch screen 2, and therefore the pressure valve for safely carrying out multi-fluid, multi-specification and multi-modeling on the device is ensured to carry out pressure test.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.

Claims (4)

1. The pressure-bearing testing device of the pressure valve is characterized by further comprising an upper pressing device (1), a touch screen (2), a left clamping device (3), a right clamping device (4), a blower (5), a left position adjusting device (7) and a right clamping device (9), wherein the base (8) is provided with the left position adjusting device (7), the left position adjusting device (7) is provided with the left clamping device (3) and the right clamping device (4), the left position adjusting device (7) can drive the left clamping device (3) and the right clamping device (4) to carry out left position adjustment so as to be suitable for clamping sealing tests of different models, the upper pressing device (1) is arranged on the upper part of the lower clamping device (4) and is connected to the base (8), the left clamping device (9) is arranged on two sides of the left clamping device (3) and the right clamping device and is connected to the base (8), the blower (5) is arranged on the base (8), and the blower (5) is arranged on the left position adjusting device (7) and the blower (5) is arranged on the right side of the base (8) for drying water;
the upper pressing device (1) is provided with a pressing cylinder (11), a fixed block (12), a pressing guide shaft (13), a pressing plate (14), an upper and lower adjusting shaft (15), an upper and lower adjusting spring (16) and a pressure sensor (17), the pressing cylinder (11) is connected with a pressing cylinder connecting plate (18), the pressing cylinder connecting plate (18) is movably connected with the pressing plate (14), the pressing plate (14) is provided with the pressure sensor (17), the pressing cylinder (11) is used for controlling the pressing plate (14) to be updated, the pressing cylinder connecting plate (18) is slidably connected with the upper and lower adjusting shaft (15), the upper and lower adjusting shaft (15) is sleeved with the upper and lower adjusting spring (16), and the fixed block (12) is rotatably connected with the upper and lower adjusting shaft (15) to be used for pressing the reset position of the pressing cylinder connecting plate (18);
the lower clamping device (4) comprises a clamping shaft II (41), a sealing ring II (42), a clamping connecting block II (43), a clamping spring II (44), a clamping spring shaft (45) and a connecting plate II (46), wherein the sealing ring II (42), the connecting plate II (46) is connected to the tail end of the left and right position adjusting device (7), the clamping spring shaft (45) is connected to the top end of the connecting plate II (46), the clamping spring II (44) is sleeved on the clamping spring shaft (45), the clamping connecting block II (43) is connected to the top end of the clamping spring shaft (45), the clamping shaft II (41) is connected to the top end of the clamping connecting block II (43), and the center of the clamping shaft II (41) is a through hole;
the left clamping device and the right clamping device (3) are provided with a first clamping connecting block (31), a first sealing ring (32), a clamping connecting rod (33), a first clamping spring (34), an adjusting connecting block (35), a first connecting plate (36) and a first clamping shaft (37), wherein the first connecting plate (36) is connected to a second connecting plate (46), the adjusting connecting block (35) is connected to the first connecting plate (36), the clamping spring (34) is embedded into the adjusting connecting block (35) to form an arc shape, the clamping connecting rod (33) rotates the center of the adjusting connecting block (35), one side of the clamping connecting rod (33) is connected with the clamping spring (34), the clamping connecting rod (33) swings to enable the first clamping spring (34) in the adjusting connecting block (35) to compress, the top is connected with the first clamping connecting block (31), the first clamping shaft (37) is connected to the center of the first clamping connecting block (31), and the left clamping shaft and the right clamping shafts are opposite;
the left-right clamping device (9) is provided with a pressure sensor II (91), a left-right compression spring (92), a left-right compression cylinder (93), a left-right cylinder connecting plate (94), a guide rail (95), a guide rail connecting plate (96) and a set screw (97), wherein the guide rail (95) is connected to the upper surface of the base (8), the guide rail connecting plate (96) is connected to the upper end of the guide rail (95), the set screw (97) is connected to the bottom of the guide rail connecting plate (96), the left-right cylinder connecting plate (94) is connected to the right side of the guide rail connecting plate (96), the left-right compression cylinder (93) penetrates through the tail end of the left-right cylinder connecting plate (94) and is fixed, the pressure sensor II (91) is positioned at the output end of the left-right compression cylinder (93), the left-right compression spring (92) is arranged at the front end of the left-right compression cylinder (93) and used for buffering and compressing the pressure valve, and the pressure can be adjusted by adjusting the left-right compression spring (92).
2. The pressure-bearing testing device of a pressure valve according to claim 1, wherein the pressurizing device (6) is provided with a pressurizing fluid outlet (61), a pressurizing fluid pipe (62), a pressurizing pump (63), an electromagnetic valve (64), an air inlet pipe (65), a water inlet pipe (66), a gas filtering tank (67), a water storage tank (68) and a water inlet (69), the gas filtering tank (67) and the water storage tank (68) are positioned at the bottom of the base (8), the water inlet (69) is positioned at one side of the water storage tank (68), one end of the air inlet pipe (65) is connected with one side of the gas filtering tank (67), two input ends of the electromagnetic valve (64) are respectively connected with the water inlet pipe (66) and the air inlet pipe (65), the water inlet pipe (66) is connected with the water storage tank (68), the output end of the electromagnetic valve (64) is communicated with the pressurizing pump (63), the output end of the pressurizing pump (63) is communicated with the pressurizing fluid pipe (62), and the pressure detecting device is arranged in the pressurizing fluid pipe (62).
3. The pressure-bearing testing device of a pressure valve according to claim 1, wherein the left and right position adjusting device (7) is provided with a synchronous belt (71), a synchronous belt connecting block (72), a rotating shaft (73), a position adjusting disc (74), a positioning pin (75), a rotating shaft connecting plate (76) and a positioning disc (77), the rotating shaft connecting plate (76) is connected to the surface of the base (8), the position adjusting disc (74) penetrates through the rotating shaft (73) to be positioned at the tail end of the positioning disc (77), the positioning pin (75) penetrates through the position adjusting disc (74) and the positioning disc (77) to be used for fixing, the synchronous belt (71) is connected to a synchronous wheel at the tail end of the rotating shaft (73), and the synchronous belt connecting block (72) is connected to the synchronous belt (71) to move along with the synchronous belt (77).
4. The pressure-bearing testing device of the pressure valve according to claim 1, wherein the clamping device comprises a left clamping device (3) and a right clamping device (4), the pressure valve with different shapes can be met, the left clamping device is driven by a left position adjusting device (7) and a right position adjusting device to adjust the left position and the right position, the pressure valve with different specifications is met, the liquid and the gas are selected by an electromagnetic valve (64) in a pressurizing device (6), and two different fluid tests of the pressure valve are realized.
CN202211171182.XA 2022-09-23 2022-09-23 Pressure-bearing testing device of pressure valve Active CN115575105B (en)

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