CN115575105A - Pressure-bearing testing device of pressure valve - Google Patents
Pressure-bearing testing device of pressure valve Download PDFInfo
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- CN115575105A CN115575105A CN202211171182.XA CN202211171182A CN115575105A CN 115575105 A CN115575105 A CN 115575105A CN 202211171182 A CN202211171182 A CN 202211171182A CN 115575105 A CN115575105 A CN 115575105A
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- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 239000012530 fluid Substances 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 230000001360 synchronised effect Effects 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 10
- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention relates to the field of pressure bearing tests, in particular to a pressure valve pressure bearing test device. The invention aims to provide 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. A pressure-bearing testing device of a pressure valve comprises an upper pressing device, a touch screen, a left clamping device, a right clamping device, a lower clamping device, an air blower, a supercharging device, a left position adjusting device, a right position adjusting device, a base and a left pressing device and a right position adjusting device, wherein the supercharging device is arranged inside the bottom of the base and used for generating compressed air and compressed liquid to supply the pressure valve to carry out pressure-bearing testing, the left position adjusting device and the right position adjusting device are arranged on the upper surface of the middle part of the base, and the left clamping device, the right clamping device and the lower clamping device are arranged above the left position adjusting device and the right position adjusting device. The left and right position adjusting devices drive the clamping device to adjust the position left and right, pressure valves with different specifications are met, liquid and gas are selected through electromagnetic valves in the pressurizing devices, and two different fluid tests of the pressure valves are achieved.
Description
Technical Field
The invention relates to the field of pressure bearing tests, in particular to a pressure valve pressure bearing test device.
Background
The pressure valve is a visual and simple flow regulation control device, and can be subjected to pressure bearing test before being put into use and test on whether pressure display is accurate or not to ensure that the pressure valve can be normally used.
The existing pressure valve pressure-bearing testing device mainly tests pressure valves with the same specification or a single fluid, needs to customize testing devices with different specifications when switching pressure valves with different specifications, cannot switch fluid and flow sizes, judges the qualification of tests in a watching mode, a listening mode and the like subjectively, and cannot test pressure valves with different fluids and pressures.
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.
A pressure-bearing testing device of a pressure valve comprises an upper pressing device, a touch screen, a left clamping device, a right clamping device, a lower clamping device, an air blower, a supercharging device, a left position adjusting device, a right position adjusting device, a base and a left clamping device, wherein the supercharging device is arranged on the inner side of the bottom of the base, compressed air and compressed liquid are generated through the rotation of a rotor of the supercharging device to supply pressure-bearing testing to the pressure valve, the left position adjusting device and the right position adjusting device are arranged on the upper surface of the middle part of the base, the left clamping device, the right clamping device and the lower clamping device are arranged above the left position adjusting device and the right position adjusting device, the left position adjusting device and the right clamping device drive a synchronous belt through a position adjusting disc, so that the left clamping device, the right clamping device and the lower clamping device are driven to carry out left position adjustment, the upper pressing device is arranged on the upper part of the lower clamping device and connected with the top surface of the base, the left pressing device and the right pressing device are arranged on the two sides of the left clamping device and the top surface of the base, the air blower is arranged on the upper surface of the middle part of the base, the upper surface of the base through the rotation of a fan blade, the air is driven to blow air, and the air is used for drying water stain, and drying the touch screen is arranged on the top surface of the base, and debugging equipment.
Before the pressure valve bearing test is carried out, water is added into the water storage tank, the booster pump is started, and compressed air and compressed liquid for testing are prepared.
Preferably, the upper pressing device comprises a pressing cylinder, a fixed block, a pressing guide shaft, a pressing plate, an upper adjusting shaft, a lower adjusting shaft, an upper adjusting spring, a lower adjusting spring, a pressure sensor and a pressing cylinder connecting plate;
the device comprises a pressing guide shaft, an upper adjusting spring, a lower adjusting spring, a pressing plate, a fixing block, a pressing cylinder connecting plate and a pressure sensor, wherein the pressing guide shaft is connected to the surface of a base, the upper adjusting spring and the lower adjusting spring penetrate through the pressing guide shaft, the pressing plate penetrates through the pressing guide shaft and supports the upper end of the upper adjusting spring and the lower adjusting spring, the fixing block penetrates through the upper adjusting shaft and is fixed at the upper end of the pressing plate, the adjusting spring is pre-pressed differently and used for changing the limit 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 introducing 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 and penetrates through the pressing plate and is used for guiding the movement of the pressing cylinder, and the pressure sensor is located at the tail end of the pressing plate and used for detecting the pressure after the pressing force is transmitted to a control system and adjusting the pressing force;
preferably, the left and right clamping devices comprise a first clamping connecting block, a first sealing ring, a first clamping connecting rod, a first clamping spring, a first adjusting connecting block, a first connecting plate and a first clamping shaft;
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 top of the first connecting plate, the clamping spring is embedded in the adjusting connecting block to form an arc shape, 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 compression clamping spring is used for clamping the 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 inputting and outputting the pressure valve which is opposite, the center of the first clamping shaft is provided with a through hole used for transporting test gas and liquid, and the first sealing ring is positioned on the first clamping shaft and used for sealing the input and the output of the pressure valve;
preferably, the lower clamping device comprises a second clamping shaft, a second sealing ring, a second clamping connecting block, a second clamping spring shaft and a second connecting plate;
the connecting plate II is connected to the tail end of the left-right position adjusting device, left-right adjustment can be performed according to the size of the pressure valve when the pressure valve is clamped, the clamping spring shaft is connected to the top end of the connecting plate II, the clamping spring II penetrates through the clamping spring shaft and is used for buffering and pressing after the pressure valve is pressed, the clamping connecting block II is connected to the top end of the clamping spring shaft, the clamping shaft II is connected to the top end of the clamping connecting block II, the center of the clamping shaft II is provided with a through hole for transporting test gas and liquid, and the sealing ring II is located on the clamping shaft II 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 tests 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 subsequent gas testing 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, an air filtering tank, a water storage tank and a water inlet;
the device comprises a base, a gas filtering tank, a water inlet pipe, an electromagnetic valve, a water inlet pipe, a pressurizing fluid pipe, a pressure sensor, a control system and a pressure sensor, wherein the gas filtering tank 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 pipe is positioned on one side of the water storage tank, one end of the gas inlet pipe is connected with the tail end of the gas filtering tank, the other end of the gas inlet pipe is connected with the electromagnetic valve, one end of the water inlet pipe is connected with the tail end of the water storage tank, the electromagnetic valve is used for selecting whether the test is liquid or gas, the electromagnetic valve is controlled by the control system, the pressurizing pump is positioned at the right end of the electromagnetic valve and used for pressurizing test fluid, the pressurizing fluid pipe is positioned at the tail end of the pressurizing pump and used for conveying the test fluid, the pressure sensor is arranged in the pressurizing fluid pipe and used for detecting the pressure of the pressurized fluid and transmitting the pressurized fluid to the control system, and displaying on the touch screen and for checking and comparing, the pressurized fluid is connected with a soft conveying pipe and conveying the compressed fluid to the pressure valve;
preferably, the left and 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 positioning device comprises a rotating shaft connecting plate, a rotating shaft, a positioning disc, a synchronous belt and a position adjusting disc, wherein the rotating shaft connecting plate is connected to the surface of a 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 position adjusting disc penetrates through the rotating shaft and is located 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 the position of the positioning pin is adjusted and is used for fixing the position, the synchronous belt is connected to a synchronous wheel at the tail end of the rotating shaft and is used for transmitting the upper end device, a connecting block of the synchronous belt is connected to the synchronous belt and moves along with a walking belt, the position adjusting disc adopts a circular large rotating disc, the labor is saved when the position is adjusted conveniently, 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 air cylinder connecting plates are connected to the right side of the guide rail connecting plate and are hinged to rotate and can be locked and fixed after the position is determined, the left and right pressing air cylinders penetrate through the tail ends of the left and right air cylinder connecting plates and are fixed, the left and right pressing springs are connected to the front ends of the left and right pressing air cylinders and used for buffering and pressing pressure valves, the pressure can be adjusted through adjusting springs, and the pressure sensor II is located at the front ends of the left and right pressing air cylinders and used for detecting the pressure after pressing and transmitting the pressure to the control system and then adjusting the pressing force;
preferably, the compressing cylinder, the blower, the booster pump, the left compressing cylinder and the right compressing cylinder are all power devices, the compressing cylinder drives the pressing plate and the parts connected with the pressing plate to move up and down, the blower drives air to blow and dry residual liquid in the pressure valve, the booster pump drives test fluid to be pressurized, and the left compressing cylinder and the right compressing cylinder drive the connected parts to move left and right;
preferably, the device also comprises a plurality of groups of cylinder magnetic switches and limit switches, the cylinder magnetic switches and the limit switches are arranged in a power device fixing groove, and all the driving devices, the signal lines, the control lines and the pressure detection lines are connected with the control device;
the pressure-bearing testing device of the pressure valve can realize pressure-bearing testing of the pressure valve with multiple fluids, multiple specifications and multiple shapes, has wide practical range, high efficiency and good stability.
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 pressing device of the present invention.
Fig. 3 is a schematic structural view of the left and right clamping devices 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 diagram of the supercharging device of the present invention.
Fig. 6 is a schematic structural view of the left-right position adjusting apparatus of the present invention.
Fig. 7 is a schematic structural view of the left and right pressing devices of the present invention.
Reference numbers in the figures: 1-upper pressing means, 11-pressing cylinder, 12-fixing block, 13-pressing guide shaft, 14-pressing plate, 15-upper and lower adjusting shaft, 16-upper and lower adjusting spring, 17-pressure sensor I, 18-pressing cylinder connecting plate, 2-touch screen, 3-left and right clamping means, 31-clamping connecting block I, 32-seal ring I, 33-clamping connecting rod, 34-clamping spring I, 35-adjusting connecting block, 36-connecting plate I, 37-clamping shaft I, 4-lower clamping means, 41-clamping shaft II, 42-seal ring II, 43-clamping connecting block II, 44-clamping spring II, 45-clamping spring shaft, 46-connecting plate II, 5-blower, 6-supercharging device, 61-supercharging fluid outlet, 62-supercharging fluid pipe, 63-supercharging pump, 64-solenoid valve, 65-air inlet pipe, 66-water inlet pipe, 67-air filtering box, 68-water storage box, 69-water inlet, 7-left and right position adjusting device, 71-synchronous belt, 72-synchronous belt connecting block, 73-rotating shaft, 74-position adjusting disc, 75-positioning pin, 76 rotating shaft connecting plate, 77-positioning disc, 8-base, 9-left and right pressing device, 91-pressure sensor two, 92-left and right pressing spring, 93-left and right pressing cylinder, 94-left and right cylinder connecting plate, 95-guide rail, 96-guide rail connecting plate and 97-fastening screw.
Detailed Description
The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.
Example 1
A pressure bearing testing device of a pressure valve is disclosed, as shown in figure 1, and comprises an upper pressing device 1, a touch screen 2, a left clamping device 3, a right clamping device 3, a lower clamping device 4, an air blower 5, a supercharging device 6, a left position adjusting device 7, a right position adjusting device 7, a base 8 and a left pressing device 9, wherein the supercharging device 6 is arranged on the inner side of the bottom of the base 8, a rotor of the supercharging device rotates to generate compressed air and compressed liquid to be used for pressure bearing testing of the pressure valve, the left position adjusting device 7 and the right position adjusting device 7 are arranged on the upper surface of the middle of the base 8, the left clamping device 3 and the right clamping device 4 are arranged above the left position adjusting device 7, the left position adjusting device 7 and the right position adjusting device 7 drive a synchronous belt 71 through a position adjusting disc 74 to drive the left clamping device 3 and the right clamping device 4 to carry out left and right position adjustment, the upper pressing device 1 is arranged on the upper portion of the lower clamping device 4 and connected to the top surface of the base 8, the left pressing device 9 and the left clamping device 3 and the right clamping device are arranged on the top surface of the base 8, the left pressing device 9 and the left clamping device 3, and the air blower 5 is arranged on the upper surface of the middle of the base 8 to drive air to drive fan blades to drive air to blow water stain drying water stain through rotation.
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 testing are prepared, after the pressure valve bearing test is finished after the pressurization is displayed in a touch screen 2, the pressure valve is subjected to a pressure bearing test, the type of the pressure valve is firstly judged, a left clamping device 3 and a right clamping device 3 or a lower clamping device 4 are selected to be used, after the devices are selected, the distance between the inlet and the outlet of the pressure valve is measured, the width of a left position adjusting device 7 and a right position adjusting device 7 is adjusted by rotating a position adjusting disc 74 according to the measurement result, after the adjustment is finished, the pressure valve is placed into the clamping devices, the upper pressing device 1 or the left pressing device 9 is manually operated through the touch screen 2, an upper adjusting spring 16 and a lower adjusting spring 16 or a left pressing spring 92 and a right pressing spring 92 in the pressing devices are adjusted according to the pressing condition, and after the adjustment is finished, after the pressure valve is pressed by the touch screen 2 through manual control of the pressing device, the pressurized fluid outlet 61 is connected with the pressure valve inlet through a hose, the outlet end of the pressure valve is blocked, the test fluid is selected, then the fluid outlet valve is controlled to be opened through the touch screen 2, the pressure valve is internally stamped, if manual single-step operation equipment is correct, an automatic test mode is selected in the touch screen 2, multiple automatic test modes such as a liquid step type pressurization test, a gas step type pressurization test, a hydraulic-gas step type pressurization test and the like can be carried out, the step type pressurization is that the pressure is gradually increased from small to small, the first-stage pressure bearing is leak-free, and then the next-stage pressurization process is carried out, so that the pressure bearing test of the pressure valve with multiple fluids and step type pressurization is realized, and the safety of the pressurization test process is ensured.
Example 2
On the basis of embodiment 1, as shown in fig. 2, the upper compressing device 1 is based on the principle of use, the pre-pressing degree of the upper and lower adjusting springs 16 is adjusted by adjusting the height of the fixing block 12, when the compressing cylinder 11 acts, the pressing plate 14 and the compressing guide shaft 13 connected with the pressing plate are driven to move downwards, the stable operation of the compressing cylinder 11 is ensured through the guiding of the compressing guide shaft 13, and the flatness of the ground of the pressing plate 14 can be ensured, after the pressing plate 14 compresses the pressure valve, the pressure sensor one 7 embedded in the pressing plate can transmit the pressure to the touch screen 2 for displaying, the testing pressure and the pressure of the pressure can be compared before the pressure valve measures the pressure, and the situation that the pressure measuring pressure is greater than the pressing pressure and the positioning is unstable is caused is avoided.
Example 3
As shown in fig. 3, the left and right clamping devices 3 use the principle that after the position of the left and right position adjusting devices 7 is adjusted through the inlet and outlet width of the pressure valve, the clamping connecting rod 33 is manually moved to rotate around the center of the adjusting connecting block 35, whether the clamping spring 34 is normally compressed is checked, the clamping connecting rod 33 is released, whether the connecting rod 33 can be pressed back to the pre-pressing position by compressing the clamping spring 34 is determined, the clamping shafts 37 at the initial position are parallel and opposite, whether the through-flow body holes in the centers of the clamping shafts 37 at the two sides are communicated is determined before the pressure valve is clamped, and after the determination is determined, the pressure valve is clamped in the left and right clamping devices by rotating the clamping connecting rod 33, so that the pressure valve is rapidly clamped, and the stable clamping of the pressure valve can be realized through the spring pre-pressing.
As shown in fig. 4, the lower clamping device 4 uses the principle, after the position of the left and right position adjusting device 7 is adjusted by the inlet and outlet width of the pressure valve, the second clamping connecting block 43 is manually pressed to slide up and down, the sliding is smooth, whether the compression of the second clamping spring 44 is normal is checked, after the second clamping connecting block 43 is loosened, whether the second clamping spring 44 can press the second clamping connecting block 43 back to the pre-pressing position is determined, the top surfaces of the second clamping shafts 41 in the pre-pressing position are flush, before the clamping pressure valve, whether the through-flow body holes in the centers of the second clamping shafts 41 in the two vertical surfaces are conducted is determined, after the determination, 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 and right clamping devices 3, the lower clamping device 4, the left and right pressing devices 9, the pressurizing device 6 uses the principle, the air filtering box 67 is located at the bottom of the base and is used for filtering air, the water storage box 68 is located at the bottom of the base 8 and is used for storing test liquid, the water inlet 69 is located at one side of the water storage box, one end of the air inlet pipe 65 is connected with the tail end of the air filtering box 67, one end of the air inlet pipe is connected with the electromagnetic valve 64, one end of the water inlet pipe 66 is connected with the tail end of the water storage box 68, one end of the water 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 the control system, the pressurizing pump 63 is located at the right end of the electromagnetic valve 64 and is used for pressurizing the test fluid, the pressurizing fluid pipe 62 is located at the tail end of the pressurizing fluid 63 and is provided with a pressure sensor in the pressurizing fluid pipe 63 and is transmitted to the control system and displayed on the touch screen for checking and comparing the test of the pressurizing device by the control system in a step-by step pressurizing fluid, and the control system, and the pressurizing fluid outlet 61 is used for connecting the compressed fluid to transmit the compressed fluid to the pressure valve delivery pipe; the pressurizing device 6 needs to be opened for a period of time before testing to prepare for pressurizing, the water added into the water storage tank 68 is pure water, and the test gas is filtered through the gas filtering tank, so that the integrity of the interior of the pressure valve after testing is realized, and the damage to a conveying pipeline and the maintenance are reduced.
Example 5
As shown in fig. 6, the left and right position adjusting device 7 is based on the use principle, the position adjusting disc 74 is a circular large rotating disc, the position adjusting disc is convenient to rotate in a position adjusting process, labor is saved, the front end of the position adjusting disc is provided with a dial scale for accurate position adjustment, the positioning disc 77 is connected with the position adjusting disc 74 through a stressed bearing, the position adjusting disc 74 is fixed when rotating, the positioning disc 77 is fixedly connected to the upper end of the rotating shaft connecting plate 76, after the position is determined, the positioning pin 75 is used for penetrating between the positioning disc 77 and the position adjusting disc 74, and position change caused by mistaken collision of the positioning disc 77 is avoided.
As shown in fig. 7, the left and right clamping devices 9 are based on the principle, the left and right clamping devices 9 can slide left and right through a lower end guide rail 95, after the width of the detection device is measured, the left and right clamping devices 9 are slid to corresponding positions, and are locked through a set screw 97 after determination, a left and right cylinder connecting plate 94 is connected to the right side of a guide rail connecting plate 96 and is connected to a hinge type rotatable manner, and can be locked and fixed after determination of the position, the left and right pressing cylinders 93 penetrate through the tail ends of the left and right cylinder connecting plates 94 and are fixed, the left and right pressing springs 92 are connected to the front ends of the left and right pressing cylinders 93 and are used for buffering and pressing pressure valves, the pressure can be adjusted by adjusting the left and right pressing springs 92, the pressure sensor two 91 is located at the front ends of the left and right pressing cylinders 93, the pressure sensor two 91 transmits the pressure to the touch screen 2 for display, the test pressure can be compared with the pressure before the pressure valves, so as to avoid the situation that the test pressure is greater than the clamping pressure, which causes unstable positioning, and the clamping function of the left and right clamping pressure valves is realized.
In order to strengthen linkage control and safety control of the operation of the whole equipment, pressure detection, an emergency stop button and signal detection lines of each air cylinder are introduced, all signals are connected with a control system, the conditions of the last driving device in place, the pressure magnitude, no leakage and the like are met before each action, the control system can control the next stage of pressure test, when any one of the conditions of the grating, the pressure and the leakage is not met, the control system controls all devices to stop running, the maximum test pressure is displayed in the touch screen 2, the device stop reason is also displayed, and therefore the device is ensured to safely carry out pressure bearing test on multi-fluid, multi-specification and multi-model pressure valves.
Finally, it should be noted that: 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 or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. A pressure-bearing testing device of a 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), an air blower (5), a left position adjusting device (7), a right position adjusting device (7), a left clamping device (3) and a right clamping device (9), the left position adjusting device (7) and the right position adjusting device (7) are arranged on the base (8), the left clamping device (3) and the right clamping device (4) are arranged on the left position adjusting device and the right position adjusting device (7), the left position adjusting device (7) and the right clamping device (4) can be driven to conduct left and right position adjustment to be suitable for clamping sealing tests of different models, the upper pressing device (1) is arranged on the upper portion of the lower clamping device (4) and connected to the base (8), the left and right pressing device (9) are arranged on two sides of the left clamping device and the right clamping device (3) and connected to the base (8), the air blower (5) is arranged on the base (8), the right of the left and right side of the position adjusting device (7), and used for drying water.
2. The pressure-bearing testing device of the pressure valve as claimed in claim 1, wherein 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 adjusting shaft (15), a lower adjusting shaft (15), an upper adjusting spring (16) and a lower adjusting spring (17), the pressing cylinder (11) is connected with a pressing cylinder connecting plate (18), the pressing plate (14) is movably connected to the pressing cylinder connecting plate (18), the pressing plate (14) is provided with the pressure sensor (17), the pressing cylinder (11) is used for controlling the upgrading of the pressing plate (14), the upper adjusting shaft (15) is slidably connected to the pressing cylinder connecting plate (18), the upper adjusting shaft (15) and the lower adjusting spring (16) are sleeved on the upper adjusting shaft (15), and the fixed block (12) is screwed with the upper adjusting shaft (15) and the lower adjusting shaft (15) is used for pressing the reset position of the pressing cylinder connecting plate (18).
3. The pressure-bearing testing device of the pressure valve as claimed in claim 1, wherein the lower clamping device (4) comprises a second clamping shaft (41), a second sealing ring (42), a second clamping connecting block (43), a second clamping spring (44), a second clamping spring shaft (45), a second connecting plate (46), and a second sealing ring (42), wherein the second connecting plate (46) is connected to the tail end of the left-right position adjusting device (7), the second clamping spring shaft (45) is connected to the top end of the second connecting plate (46), the second clamping spring (44) is sleeved on the second clamping spring shaft (45), the second clamping connecting block (43) is connected to the top end of the clamping spring shaft (45), the second clamping shaft (41) is connected to the top end of the second clamping connecting block (43), and the center of the second clamping shaft (41) is a through hole.
4. The pressure-bearing testing device of the pressure valve as claimed in claim 1, wherein the left and right clamping devices (3) are provided with a first clamping connecting block (31), a first sealing ring (32), a first 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), 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 in the adjusting connecting block (35) to form an arc, the clamping connecting rod (33) rotates the center of the adjusting connecting block (35), one side of the clamping connecting rod (33) is connected to the clamping spring (34), the clamping connecting rod (33) is swung to compress the first clamping spring (34) in the adjusting connecting block (35), the top is connected to 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 and right clamping shafts are opposite.
5. The pressure-bearing testing device of the pressure valve as claimed in 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), an water inlet pipe (66), an air filtering tank (67), a water storage tank (68) and a water inlet (69), the air filtering tank (67) and the water storage tank (68) are located at the bottom of the base (8), the water inlet (69) is located on one side of the water storage tank (68), one end of the air inlet pipe (65) is connected with one side of the air 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 a pressure detecting device is arranged in the pressurizing fluid pipe (62).
6. The pressure bearing test device of the pressure valve as claimed in 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) and is located 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) and is 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) and moves along with the step belt (77).
7. The pressure-bearing testing device of the pressure valve as claimed in claim 1, wherein the left and right clamping devices (9) are provided with a second pressure sensor (91), a left and right pressure spring (92), a left and right pressure cylinder (93), a left and right cylinder connecting plate (94), a guide rail (95), a guide rail connecting plate (96) and a set screw (97), 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 and right cylinder connecting plate (94) is connected to the right side of the guide rail connecting plate (96), the left and right pressure cylinders (93) penetrate through the tail ends of the left and right cylinder connecting plates (94) and are fixed, the second pressure sensor (91) is positioned at the output end of the left and right pressure cylinders (93), the left and right pressure springs (92) are arranged at the front ends of the left and right pressure cylinders (93) for buffering and pressing the pressure valve, and the pressure valve can be adjusted by adjusting the left and right pressure springs (92).
8. The pressure-bearing testing device of the pressure valve as claimed in claim 1, wherein the clamping device comprises a left clamping device (3) and a right clamping device (3) and a lower clamping device (4) which can meet pressure valves with different models, the left position adjusting device (7) and the right position adjusting device (7) drive the clamping devices to adjust left and right positions so as to meet pressure valves with different specifications, and the electromagnetic valve (64) in the pressurizing device (6) selects liquid and gas so as to realize two different fluid tests of the pressure valves.
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| CN202211171182.XA CN115575105B (en) | 2022-09-23 | 2022-09-23 | Pressure-bearing testing device of pressure valve |
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| CN202211171182.XA CN115575105B (en) | 2022-09-23 | 2022-09-23 | Pressure-bearing testing device of pressure valve |
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| CN115575105B (en) | 2023-09-01 |
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