CN208333851U - The special-shaped valve burst pressure test macro of Pneumatic driving type clamping - Google Patents

The special-shaped valve burst pressure test macro of Pneumatic driving type clamping Download PDF

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Publication number
CN208333851U
CN208333851U CN201820633990.6U CN201820633990U CN208333851U CN 208333851 U CN208333851 U CN 208333851U CN 201820633990 U CN201820633990 U CN 201820633990U CN 208333851 U CN208333851 U CN 208333851U
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CN
China
Prior art keywords
valve
air
solenoid valve
pressure
special
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Expired - Fee Related
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CN201820633990.6U
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Chinese (zh)
Inventor
梁桂海
贾春虎
俞涛
李祚
陈刚
盖晓鹏
邢金涛
马维强
李东东
吕文成
张振华
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Technical Monitoring Center of PetroChina Changqing Oilfield Co
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Technical Monitoring Center of PetroChina Changqing Oilfield Co
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Priority to CN201820633990.6U priority Critical patent/CN208333851U/en
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Publication of CN208333851U publication Critical patent/CN208333851U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of special-shaped valve burst pressure test macros of Pneumatic driving type clamping, the system includes Pneumatic driving type clamping device, quick coupling, burst pressure test device and monitoring device, and the burst pressure test device includes water feeding tank, liquid supply pipe and pressing mechanism and pressure relief mechanism.The utility model is designed reasonably, it is easy to operate, the clamping of special-shaped valve is stablized, so that special-shaped valve does not deform, guarantees that the burst pressure test of special-shaped valve is accurate, it is practical.

Description

The special-shaped valve burst pressure test macro of Pneumatic driving type clamping
Technical field
The utility model belongs to the special-shaped valve of valve explosion the field of test technology more particularly to a kind of clamping of Pneumatic driving type Door burst pressure test macro.
Background technique
Special-shaped valve is the general designation of complex-shaped small path valve, and the inside nominal diameter of special-shaped valve is DN3~DN40, different The nominal pressure of type valve is 1.6MPa~42.0MPa.Special-shaped valve is to ensure that indispensable heavy in oil gas field production and construction Want component, it is ensured that special-shaped valve can be applied preferably during more severe oil gas field production and construction, to the quick-fried of special-shaped valve Broken pressure is detected, and the burst pressure of all kinds of special-shaped valves is obtained, so that the application environment of special-shaped valve meets special-shaped valve Oneself requirement improves oil-gas field surface engineering implementation management.In the burst pressure test process of special-shaped valve, if to special-shaped valve Door does not grip, and special-shaped valve has the security risk hurted sb.'s feelings that flies out in test;And abnormal shape valve handle is tight, if not clamping solid It is fixed, it opens or closes the handy hand of special-shaped valve and screws, very difficultly, labor intensity is huge, seriously affects testing efficiency.In addition, The burst pressure of special-shaped valve and itself mechanism, size and service condition have close ties, in the burst pressure of special-shaped valve When power is tested, it should ensure that the overall structure of special-shaped valve is completely undeformed.But nowadays, lacking a kind of can carry out special-shaped valve The Special testing device of clamping and burst pressure test, and there is clamping valve and be squeezed and deformed, be general in existing clamping device Property bottom, it is inconvenient the defects of and deficiency.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiency of the prior art, provide a kind of air pressure The special-shaped valve burst pressure test macro of drive-type clamping, design is rationally, easy to operate, steady to the clamping of special-shaped valve It is fixed, so that special-shaped valve does not deform, guarantee that the burst pressure test of special-shaped valve is accurate, it is practical.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of clamping of Pneumatic driving type it is different Type valve burst pressure test macro, it is characterised in that: the Pneumatic driving type including being clamped to tested special-shaped valve clamps Device, the quick coupling being connect with tested special-shaped valve, the burst pressure that the burst pressure of tested special-shaped valve is tested Test device and the monitoring device that the Pneumatic driving type clamping device and the burst pressure test device are monitored, institute Stating burst pressure test device includes water feeding tank, the liquid supply pipe connecting with water feeding tank and the pressuring machine being arranged on the liquid supply pipe Structure and the pressure relief mechanism connecting with the outlet end of the liquid supply pipe, the pressing mechanism include gas supply mechanism, to the air feeder The air pump proportional dump valve that is adjusted of driving atmospheric pressure of structure output and backhaul pressure regulator valve, in the liquid supply pipe it is hydraulic into First air driven pump of row pressurization is controlled with the second air driven pump and to first air driven pump with the second air driven pump pneumatic Control assembly is pumped, the air driven pump control assembly includes that the first solenoid valve at the air inlet of the first air driven pump, setting is arranged in It second solenoid valve at the gas outlet of the first air driven pump, the third solenoid valve being arranged at the air inlet of the second air driven pump and sets The 4th solenoid valve at the gas outlet of the second air driven pump is set, the quick coupling includes the first quick coupling, the second fast quick access Head and spare quick coupling, the outlet end of the liquid supply pipe connect with the first quick coupling, the pressure relief mechanism include with it is described The relief tube of the outlet end connection of liquid supply pipe, the normally opened Pneumatic valve that is arranged on the relief tube and normally opened Pneumatic valve is controlled 5th solenoid valve of system;
The Pneumatic driving type clamping device includes air pressure clamping device and drives the air pressure clamping device different to being tested The air pressure clamp drive mechanism of type valve clamping, the air pressure clamp drive mechanism are gripper cylinder, and the gripper cylinder includes The piston rod of cylinder body is stretched out in cylinder body and one end, and the clamping device includes the fixed clamp plate being fixedly connected with cylinder body, is sleeved on One end of piston rod and the mobile grip block of the close or separate fixed clamp plate of energy, the cylinder body pass through air supply pipe and the first pressure Contracting gas interface connects, and is provided with cylinder ratio adjusting valve and the 6th solenoid valve on the air supply pipe;
The monitoring device includes microcontroller and the parameter set unit that connect respectively with microcontroller, the micro-control The input of device processed is terminated with timer, clamping force detection unit, the first pressure detected to the supply gas pressure in air supply pipe Detection unit, the second pressure detection unit that the pressure of the outlet end of the liquid supply pipe is detected, and to water feeding tank The liquid level detection unit that liquid level is detected, the output of the microcontroller are terminated with the first digital display meter, the second digital display meter and report Alert device, first solenoid valve, second solenoid valve, third solenoid valve, the 4th solenoid valve, the 6th solenoid valve, the 5th solenoid valve, gas Cylinder ratio adjusting valve, air pump proportional dump valve and backhaul pressure regulator valve are controlled by microcontroller.
The special-shaped valve burst pressure test macro of above-mentioned Pneumatic driving type clamping, it is characterised in that: the air supply pipe It is upper that first filter, the first mechanical pressure gauge and safety valve, the first pressure detection unit and the 6th equal position of solenoid valve are housed In on the air supply pipe;
Shut-off valve, the second filter and the second mechanical pressure are disposed with along liquid flow direction on the liquid supply pipe Table, the 5th solenoid valve are located on the supply air line that the gas supply mechanism is Pneumatic valve gas supply;
The gas supply mechanism includes the second compressed gas interface connecting with compressed gas source and connect with the second compressed gas interface Pressurization tracheae and be arranged in it is described pressurization tracheae on third filter and the first check valve, it is described pressurization tracheae outlet It is provided with first branch's tracheae, second branch's tracheae and third branch tracheae, the air pump proportional dump valve is located at described first On branch's tracheae, first branch tracheae is connect by the first air inlet pipe with the air inlet of the first air driven pump, first electricity Magnet valve is located in first air inlet pipe, and first branch tracheae is connected by the air inlet of the second air inlet pipe and the second air driven pump It connects, the third solenoid valve is located in second air inlet pipe, and second branch tracheae passes through the first backhaul tracheae and first The gas outlet of air driven pump connects, and second branch tracheae is connect by the second backhaul tracheae with the gas outlet of the second air driven pump, The backhaul pressure regulator valve is located on second branch tracheae, and the second solenoid valve is located on the first backhaul tracheae, institute It states the 4th solenoid valve to be located on the second backhaul tracheae, third branch tracheae is respectively the first solenoid valve, third electromagnetism Valve and the 5th solenoid valve gas supply, and second one-way valve is provided on third branch tracheae;
The 4th filter is provided on the relief tube.
The special-shaped valve burst pressure test macro of above-mentioned Pneumatic driving type clamping, it is characterised in that: the clamping gas Cylinder is uniaxial double action type cylinder;
It is provided with inlet tube on the water feeding tank, the 7th solenoid valve, the bottom of the water feeding tank are provided on the inlet tube The blowdown valve that portion is provided with sewage pipe and is arranged on the sewage pipe, the liquid level detection unit are located in the water feeding tank, 7th solenoid valve is controlled by microcontroller.
Compared with the prior art, the utility model has the following advantages:
1, used Pneumatic driving type clamping device simple structure and reasonable design and clamping force stabilization, it is simple for production.
2, used Pneumatic driving type clamping device includes gripper cylinder, mobile grip block and fixed clamp plate, and logical The mobile grip block of setting and fixed clamp plate are crossed, the face clamping to anisotropic valve is realized, clamping is stablized, met to through type The demand of the abnormal shape valve clamping such as valve, different shaft type valve, angle type valve and three-way valve.
3, in used Pneumatic driving type clamping device clamping force detection unit to described in the mobile grip block clamping Clamping force when clamped region is detected, and the clamping force that will test is sent to microcontroller, so that clamping force detects The clamping force that unit detects meets pneumatic clamps clamp force setting value, is effectively prevented from the clamping deformation of special-shaped valve, and retaining clip It is fixed to keep steady.
4, in used pressing mechanism include the first air driven pump and the second air driven pump, to the upper pressure on liquid supply pipe into Row pressurization, to reach burst pressure demand.
5, the first solenoid valve and second solenoid valve are arranged in used pressing mechanism to return the driving gas of the first air driven pump Road is controlled, and is quickly emptied to the air in tested special-shaped valve with low pressure;Third solenoid valve and the 4th solenoid valve pair are set The driving air circuit of second air driven pump is controlled, and is pressurized to the output pressure of the second air driven pump, so that the second air driven pump Output pressure meet burst pressure test request, the control of the first air driven pump and the control of the second air driven pump are mutually indepedent, mutually It does not influence, adjust on demand and the testing time can be efficiently reduced.
6, the first solenoid valve and second solenoid valve are external pilot formula solenoid valve, the first electricity in used pressing mechanism Magnet valve and second solenoid valve are started with lower pressure, can be frequently powered, and hyperbaric environment is relatively adapted to, and are damaged small and energy saving.
7, used monitoring device high degree of automation improves personnel safety, and can be in time far from tested special-shaped valve The pressure surveyed when explosion occurs for special-shaped valve is obtained, guarantees that test is accurate.
In conclusion the utility model is designed reasonably, easy to operate, the clamping of special-shaped valve is stablized, so that special-shaped valve Men Wei deforms, and guarantees that the burst pressure test of special-shaped valve is accurate, practical.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the schematic block circuit diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model Pneumatic driving type clamping device.
Fig. 3 is the schematic diagram of gas circuit of the utility model Pneumatic driving type clamping device.
Fig. 4 is the gas circuit and water route schematic diagram of the utility model burst pressure test device.
Fig. 5 is the method flow block diagram for carrying out burst pressure test to special-shaped valve using the utility model.
Fig. 6 A is the structural schematic diagram of the utility model through type a valve.
Fig. 6 B is the structural schematic diagram of the utility model through type b valve.
Fig. 6 C is the structural schematic diagram of the utility model through type c valve.
Fig. 6 D is the structural schematic diagram of the different shaft type valve of the utility model.
Fig. 6 E is the structural schematic diagram of the utility model angie type a valve.
Fig. 6 F is the structural schematic diagram of the utility model angie type b valve.
Fig. 6 G is the structural schematic diagram of the utility model three way type a valve.
Fig. 6 H is the structural schematic diagram of the utility model three way type b valve.
Description of symbols:
1-the first mechanical pressure gauge;The first valve body of 1-1-;1-2-the first valve handle;
1-3-leads directly to a plane;2-cylinder bodies;The second valve body of 2-1-;
2-2-the second valve handle;2-3-leads directly to b plane;2-4-blowdown portion;
2-5-regular polygon;3-fixed clamp plates;3-1-third valve body;
3-2-third valve handle;3-3-arcwall face;4-piston rods;
The 4th valve body of 4-1-;The 4th valve handle of 4-2-;The different axial plane of 4-3-;
5-mobile grip blocks;The 5th valve body of 5-1-;The 5th valve handle of 5-2-;
5-3-angie type plane;6-the first compressed gas interface;The 6th valve body of 6-1-;
The 6th valve handle of 6-2-;6-3-curved portion;7-first filters;
The 7th valve body of 7-1-;The 7th valve handle of 7-2-;7-3-three way type a plane;
8-cylinder ratio adjusting valves;The 8th valve body of 8-1-;The 8th valve handle of 8-2-;
8-3-threeway curved portion;8-4-three way type b plane;9-the four filter;
10-guide rods;11-linear bearings;12-grip blocks;
13-seat boards;14-first pressure detection units;15-air supply pipes;
16-safety valves;17-the six solenoid valve;18-the first digital display meter;
19-the second compressed gas interface;20-third filters;21-the first check valve;
22-second one-way valves;23-backhaul pressure regulator valves;24-air pump proportional dump valves;
25-third solenoid valves;26-the first solenoid valve;27-the seven solenoid valve;
28-the second quick coupling;29-inlet tubes;30-water feeding tanks;
31-liquid level detection units;32-blowdown valves;33-shut-off valves;
34-the second filter;35-third check valves;36-the four check valve;
37-the first air driven pump;38-the second air driven pump;39-the five check valve;
40-the six check valve;41-the four solenoid valve;42-microcontrollers;
43-the five solenoid valve;44-Pneumatic valves;45-parameter set units;
46-the second mechanical pressure gauge;47-the second digital display meter;
48-second pressure detection units;49-the first quick coupling;
50-second solenoid valves;51-tested special-shaped valves;52-alarms;
53-clamping force detection units;54-timers.
Specific embodiment
A kind of special-shaped valve burst pressure test macro of Pneumatic driving type clamping as Figure 1-Figure 4, including to quilt Survey Pneumatic driving type clamping device that special-shaped valve 51 clamped, the quick coupling that is connect with tested abnormal shape valve 51, to quilt Survey burst pressure test device that the burst pressure of special-shaped valve 51 is tested and to the Pneumatic driving type clamping device with The monitoring device that the burst pressure test device is monitored, the burst pressure test device include water feeding tank 30 and supply It the liquid supply pipe that water tank 30 connects and the pressing mechanism that is arranged on the liquid supply pipe and is connect with the outlet end of the liquid supply pipe Pressure relief mechanism, the pressing mechanism include gas supply mechanism, to the gas that is adjusted of driving atmospheric pressure of gas supply mechanism output Pump proportional dump valve 24 and backhaul pressure regulator valve 23, to hydraulic the first air driven pump 37 and second to pressurize in the liquid supply pipe Air driven pump 38 and the air driven pump control assembly that first air driven pump 37 and the second air driven pump 38 are controlled, it is described pneumatic Pump control assembly includes that the first solenoid valve 26 at the air inlet of the first air driven pump 37 is arranged in, the first air driven pump 37 is arranged in Second solenoid valve 50 at gas outlet, the third solenoid valve 25 being arranged at the air inlet of the second air driven pump 38 and it is arranged second The 4th solenoid valve 41 at the gas outlet of air driven pump 38, the quick coupling include the first quick coupling 49, the second quick coupling 28 and spare quick coupling, the outlet end of the liquid supply pipe connect with the first quick coupling 49, the pressure relief mechanism includes and institute The relief tube for stating the outlet end connection of liquid supply pipe, the normally opened Pneumatic valve 44 that is arranged on the relief tube and to normally opened Pneumatic valve 44 The 5th solenoid valve 43 controlled;
The Pneumatic driving type clamping device includes air pressure clamping device and drives the air pressure clamping device different to being tested The air pressure clamp drive mechanism that type valve 51 clamps, the air pressure clamp drive mechanism are gripper cylinder, the gripper cylinder packet Include the piston rod 4 that cylinder body 2 is stretched out in cylinder body 2 and one end, the clamping device include the fixed clamp plate 3 being fixedly connected with cylinder body 2, It is sleeved on the mobile grip block 5 of one end of piston rod 4 and the close or separate fixed clamp plate 3 of energy, the cylinder body 2 passes through gas supply Pipe 15 is connect with the first compressed gas interface 6, and cylinder ratio adjusting valve 8 and the 6th solenoid valve 17 are provided on the air supply pipe;
The monitoring device includes microcontroller 42 and the parameter set unit connecting respectively with microcontroller 42 45, institute The input for stating microcontroller 42 is terminated with timer 54, clamping force detection unit 53, carries out to the supply gas pressure in air supply pipe 15 The first pressure detection unit 14 of detection, the second pressure detection unit that the pressure of the outlet end of the liquid supply pipe is detected 48, and to the liquid level detection unit 31 that the liquid level of water feeding tank 30 is detected, the output of the microcontroller 42 is terminated with One digital display meter 18, the second digital display meter 47 and alarm 52, first solenoid valve 26, second solenoid valve 50, third solenoid valve 25, 4th solenoid valve 41, the 6th solenoid valve 17, the 5th solenoid valve 43, cylinder ratio adjusting valve 8, air pump proportional dump valve 24 and backhaul Pressure regulator valve 23 is controlled by microcontroller 42.
In the present embodiment, first filter 7, the first mechanical pressure gauge 1 and safety valve 16, institute are housed on the air supply pipe 15 It states first pressure detection unit 14 and the 6th solenoid valve 17 is respectively positioned on the air supply pipe 15;
Shut-off valve 33, the second filter 34 and the second machinery pressure are disposed with along liquid flow direction on the liquid supply pipe Power table 46, the 5th solenoid valve 43 are located on the supply air line that the gas supply mechanism is the gas supply of Pneumatic valve 44;
The gas supply mechanism include the second compressed gas interface 19 being connect with compressed gas source and with the second compressed gas interface 19 The pressurization tracheae of connection and the third filter 20 and the first check valve 21 being arranged on the pressurization tracheae, the pressurization gas The outlet of pipe is provided with first branch's tracheae, second branch's tracheae and third branch tracheae, the air pump proportional dump valve 24 In on first branch tracheae, first branch tracheae is connected by the air inlet of the first air inlet pipe and the first air driven pump 37 It connects, first solenoid valve 26 is located in first air inlet pipe, and first branch tracheae passes through the second air inlet pipe and second The air inlet of air driven pump 38 connects, and the third solenoid valve 25 is located in second air inlet pipe, and second branch tracheae is logical It crosses the first backhaul tracheae to connect with the gas outlet of the first air driven pump 37, second branch tracheae passes through the second backhaul tracheae and the The gas outlet of two air driven pumps 38 connects, and the backhaul pressure regulator valve 23 is located on second branch tracheae, the second solenoid valve 50 are located on the first backhaul tracheae, and the 4th solenoid valve 41 is located on the second backhaul tracheae, the third branch Tracheae is respectively the first solenoid valve 26, third solenoid valve 25 and the 5th solenoid valve 43 gas supply, and is set on third branch tracheae It is equipped with second one-way valve 22;
The 4th filter 9 is provided on the relief tube.
In the present embodiment, the gripper cylinder is uniaxial double action type cylinder;
It is provided with inlet tube 29 on the water feeding tank 30, the 7th solenoid valve 27, the confession are provided on the inlet tube 29 The blowdown valve 32 that the bottom of water tank 30 is provided with sewage pipe and is arranged on the sewage pipe, the liquid level detection unit 31 are located at In the water feeding tank 30, the 7th solenoid valve 27 is controlled by microcontroller 42.
In the present embodiment, guiding mechanism, the guiding mechanism are provided in the fixed clamp plate 3 and mobile grip block 5 The guide rod 10 of 2 two sides of cylinder body is symmetrically laid in including two groups, the guide rod 10 is with piston rod 4 in vertical parallel laying, institute The one end for stating the stretching fixed clamp plate 3 of guide rod 10 is arranged with linear bearing 11, the other end of the guide rod 10 and mobile folder It holds plate 5 to be fixedly connected, the linear bearing 11 is mounted on fixed clamp plate 3.
In the present embodiment, it is provided on the opposite face of the fixed clamp plate 3 and mobile grip block 5 to special-shaped valve 1 The grip block 12 clamped, two opposite faces of the grip block 12 are annular knurl face.
In the present embodiment, the fixed clamp plate 3 is laid in vertical, and the lower end of the fixed clamp plate 3 is equipped in water The seat board 13 that plain cloth is set.
It should be noted that the seat board 13 is that plate can be convenient by laying seat board 13 and consolidate the clamping device Determine on the table.
In the present embodiment, the inlet of first air driven pump 37, which goes out, is provided with third check valve 35, and described first is pneumatic The liquid outlet of pump 37, which goes out, is provided with the 4th check valve 36, and the inlet of second air driven pump 38, which goes out, is provided with the 5th check valve 39, the liquid outlet of second air driven pump 39, which goes out, is provided with the 6th check valve 40.
It should be noted that it should be noted that through type a valve, through type b valve, through type c in special-shaped valve Valve, different shaft type valve, angie type a valve, angie type b valve, three way type a valve and three way type b valve all have certain clamping Space, the grasping part are two parallel planes or curved surface, and mobile grip block 5 and fixed clamp plate 3 are plate, Neng Goushi Existing face clamping, to realize the clamping and burst pressure of straight-through type valve, different shaft type valve and angle type valve and three-way valve Power test.
In actual use, it is provided with oil sprayer on the air supply pipe 15, the compressed gas by first filter 7 is again By the oil sprayer, oil sprayer is a kind of special oiling device, and lubricating oil is atomized by it, and injects compressed gas gas It in stream, is flowed into the cylinder body 2 with compressed gas, to reduce by 2 inner wall of cylinder body and piston to 2 inner wall of cylinder body and the lubrication of piston rod 4 Friction between bar 4.
In the present embodiment, the 7th solenoid valve 17 is two five-way electromagnetic valves, when being clamped to special-shaped valve 51, Compressed gas entered after the 7th solenoid valve 17 in the rod chamber of cylinder body 2, piston rod 4 under the action of compressed gas to 2 contract of cylinder body drives mobile grip block 5 mobile towards fixed clamp plate 3, to tested special-shaped valve 51 be clamped, in work When stopper rod 4 is to 2 contract of cylinder body, the air in 2 rodless cavity of cylinder body is discharged by an exhaust outlet of the 7th solenoid valve 17.
In the present embodiment, the two sides of the cylinder body 2 are laid with guide rod 10, and the guide rod 10 is with piston rod 4 in flat Row is laid, and the pilot hole passed through for guide rod 10 is offered on the fixed clamp plate 3, and the front end of the guide rod 10 passes through institute It is fixedly connected after stating pilot hole with mobile grip block 5.
In the present embodiment, two guide rods 10 are laid in the two sides up and down of piston rod 4, two 10 Hes of guide rod Piston rod 4 is laid on same perpendicular, and two guide rods 10 are identical as the vertical range between piston rod 4.Pass through Guiding role is played using the guide rod 10, fixed clamp plate 3 and mobile grip block 5 can be made to tested special-shaped valve 51 It is more stable when clamping, it is more preferable to 51 clamping effect of tested special-shaped valve.
In the present embodiment, linear bearing 11 is installed in the pilot hole, 11 coaxial package of linear bearing is being oriented to On bar 10.
In the present embodiment, the purpose that setting linear bearing 11 is laid is: first is that being subject to guide rod 10 when moving Frictional force is smaller, second is that avoiding guide rod 10 directly and pilot hole inner wall contact, prevents because guide rod 10 moves for a long time Dynamic the problem of causing the pilot hole to become larger.
It should be noted that tested special-shaped valve 51 is clamped on the fixed clamp plate 3 and mobile grip block 5 Position subjects very big pressure, and fixed clamp plate 3 and mobile grip block 5 are bent in order to prevent, so in fixed clamp A grip block 12 is respectively laid on plate 3 and mobile grip block 5, reinforces the fixed clamp plate 3 and mobile grip block 5 bears bending Ability.
It should be noted that making two institutes by the way that two opposite faces of two grip blocks 12 are arranged to annular knurl face When stating grip block 12 and clamping to tested special-shaped valve 51, the frictional force between grip block 12 and tested special-shaped valve 51 is more Greatly, the ability of two 51 positions of the fixed tested special-shaped valve of the grip block 12 is improved.
In the present embodiment, first solenoid valve 26 and third solenoid valve 25 are external pilot formula solenoid valve, and described Two solenoid valves 50 and the 4th solenoid valve 41 are internal pilot formula solenoid valve.
In the present embodiment, the pressure ratio of first air driven pump 37 is less than the pressure ratio with the second air driven pump 38.
As shown in Fig. 5 and Fig. 6 A- Fig. 6 H, the side that is tested using burst pressure of the utility model to special-shaped valve Method, comprising the following steps:
Step 1: preparation before testing:
The inspection of step 101, burst pressure test device: the Pneumatic driving type clamping device and the burst pressure are checked Force test device pipeline determines that the Pneumatic driving type clamping device and the burst pressure test device pipeline are normal, powers on The Pneumatic driving type clamping device, the burst pressure test device and the monitoring device are initialized, determines the air pressure Drive-type clamping device, the burst pressure test device and the monitoring device all parts are normal;
Step 102, the connection of compressed gas source and the addition of test water: by the compressed gas source of 0.7MPa and first compression Gas interface 6 connects, and watering is connect with water feeding tank 30, the addition test water into water feeding tank 30, until liquid level detection unit 31 The level value of detection meets preset level set value;
Step 2: special-shaped valve definition and determining special-shaped valve are clamped region:
The definition of step 201, special-shaped valve mechanism:
Special-shaped valve includes straight-through type valve, different shaft type valve, angle type valve and three-way valve, the straight-through type valve Including through type a valve, through type b valve and through type c valve, the angle type valve includes angie type a valve, angie type b valve, The three-way valve includes three way type a valve, three way type b valve;
As shown in Figure 6A, the through type a valve is arranged on the first valve body 1-1 by the first valve body 1-1 and one The first valve handle 1-2 composition, the center line of the import of the first valve body 1-1 and the outlet of the first valve body 1-1 is overlapped, There are two straight-through a plane 1-3 for the first valve body 1-1 tool, and two straight-through a plane 1-3 are opposite face, first valve The first handwheel is provided on handle 1-2;
As shown in Figure 6B, the through type b valve is arranged on the second valve body 2-1 by the second valve body 2-1, one The blowdown portion 2-4 composition that second valve handle 2-2 and one are arranged on the second valve body 2-1, the second valve body 2-1 into The center line of the outlet of mouth and the second valve body 2-1 is overlapped, and the second valve body 2-1 has a straight-through b plane 2-3, institute It states and is provided with regular polygon 2-5 on the second valve handle 2-2, be provided with the second handwheel on the second valve handle 2-2;
As shown in Figure 6 C, the through type c valve is arranged on the third valve body 3-1 by third valve body 3-1 and one Third valve handle 3-2 composition, the center line of the import of the third valve body 3-1 and the outlet of the third valve body 3-1 is overlapped, The surface third valve body 3-1 is arcwall face 3-3, is provided with third handwheel on the third valve body 3-1;
As shown in Figure 6 D, the different shaft type valve is arranged on the 4th valve body 4-1 by the 4th valve body 4-1 and two 4th valve handle 4-2 composition, the center line of the outlet of the import and the 4th valve body 4-1 of the 4th valve body 4-1 is in up and down Parallel to lay, there are two different axial plane 4-3 for the 4th valve body 4-1 tool, and two different axial plane 4-3 are opposite face, institute It states and is provided with the 4th handwheel on the 4th valve body 4-1;
As illustrated in fig. 6e, the angie type a valve is arranged on the 5th valve body 5-1 by the 5th valve body 5-1 and one 5th valve handle 5-2 composition, the center line of the outlet of the import and the 5th valve body 5-1 of the 5th valve body 5-1 are perpendicular It lays, there are two angie type plane 5-3 for the 5th valve body 5-1 tool, and two angie type plane 5-3 are opposite face, and described the The 5th handwheel is provided on five valve body 5-1;
As fig 6 f illustrates, the angie type b valve is arranged on the 6th valve body 6-1 by the 6th valve body 6-1 and two 6th valve handle 6-2 composition, the center line of the outlet of the import and the 6th valve body 6-1 of the 6th valve body 6-1 are perpendicular It lays, is provided with the 6th handwheel and angie type curved portion 6-3 on the 6th valve handle 6-2;
As shown in Figure 6 G, the three way type a valve is arranged on the 7th valve body 7-1 by the 7th valve body 7-1 and one The 7th valve handle 7-2 composition, the import of the 7th valve body 7-1 and the outlet of the 7th valve body 7-1 are in the same plane, institute The 7th valve body 7-1 tool is stated there are two three way type a plane 7-3, and two three way type plane 7-3 are opposite face, the described 7th The 7th handwheel is provided on valve handle 7-2;
As shown in figure 6h, the three way type b valve is arranged on the 8th valve body 8-1 by the 8th valve body 8-1 and one The 8th valve handle 8-2 composition, the import of the 8th valve body 8-1 and the outlet of the 8th valve body 8-1 be not in the same plane, There are two three way type b plane 8-4 for the 8th valve body 8-1 tool, and two three way type b plane 8-4 are adjacent surface, the 8th valve The 8th handwheel and threeway curved portion 8-3 are provided on handle 8-2;
Step 202, special-shaped valve are clamped the determination in region:
According to the definition of the special-shaped valve mechanism of step 201, tested special-shaped valve is judged:
When tested special-shaped valve belongs to through type a valve, using two straight-through a plane 1-3 as clamped region;
When tested special-shaped valve belongs to through type b valve, using two opposite faces of regular polygon 2-5 as clamped area Domain;
When tested special-shaped valve belongs to through type c valve, using the arcwall face 3-3 as clamped region;
When tested special-shaped valve belongs to different shaft type valve, using two different axial plane 4-3 as clamped region;
When tested special-shaped valve belongs to angie type a valve, using two angie type plane 5-3 as clamped region;
When tested special-shaped valve belongs to angie type b valve, using the arcwall face of the angie type curved portion 6-3 as clamped area Domain;
When tested special-shaped valve belongs to three way type a valve, using described two three way type a plane 7-3 as clamped area Domain;
When tested special-shaped valve belongs to three way type b valve, using the arcwall face of the threeway curved portion 8-3 as clamped Region;
Step 3: the connection of clamping and the quick coupling of special-shaped valve:
The pneumatic clamps clamp force setting value of step 301, the tested special-shaped valve 51 of setting, and by the pneumatic of tested special-shaped valve 51 Clamping force setting value is denoted as Fqs
Step 302, microcontroller 42 are according to formulaCylinder pressure is obtained to set Definite value Pqs, later, cylinder pressure setting value P is inputted by parameter set unit 45qsTo microcontroller 42;Wherein, R indicates cylinder The cylinder diameter of body 2, r indicate the bar diameter of piston rod 4;
The side that region is clamped described in tested special-shaped valve 51 is in contact by step 303 with fixed clamp plate 3, leads to It crosses microcontroller 42 and controls the energization of the 6th solenoid valve 17, then cylinder ratio adjusting valve 8 is controlled by microcontroller 42 and adjusts gas supply Air pressure in pipe 15 is to cylinder pressure setting value Pqs, rod chamber air inlet by from air supply pipe 15 to cylinder body 2, the piston in cylinder body 2 Bar 4 is shunk, and piston rod 4, which is shunk, pulls mobile grip block 5 mobile towards fixed clamp plate 3 in the horizontal direction, makes mobile grip block 5 It is in contact with the other side for being clamped region described in tested special-shaped valve 51, it is clamped to be tested abnormal shape valve 51;
The quick coupling is connect by step 304 with the entrance and exit of tested special-shaped valve 51;
Step 4: judging whether stable to the clamping of tested special-shaped valve:
During step 401, the clamped region described in tested special-shaped valve 51 are clamped, clamping force detection unit Clamping force when 53 pairs of mobile grip blocks 5 clamp the clamped region is acquired, and by collected clamping force detected value FcIt is sent to microcontroller 42;
Step 402, microcontroller 42 are according to acquisition time sequencing to the clamping force detected value F receivedcWith it is pneumatic Clamping force setting value FqsIt is compared, as clamping force detected value FcWith pneumatic clamps clamp force setting value FqsMeet Fqs-FcWhen≤α, hold Row step 403;Otherwise, step 404 is executed;
Step 403 repeats step 401 to step 402, until reaching the preset clamping time of timer 54, explanation The air pressure clamping device stablizes the clamping of tested special-shaped valve 51;
Step 404, microcontroller 42 control 52 warning reminding of alarm, control cylinder proportion adjustment by microcontroller 42 Valve 8 adjusts the air pressure in air supply pipe 15, so as to stablize to the clamping of tested special-shaped valve 51;
Step 5: the test of the burst pressure of special-shaped valve: folder of the air pressure clamping device to tested special-shaped valve 51 It keeps steady after determining, the test to the burst pressure of tested special-shaped valve 51, detailed process is as follows:
Step 501, microcontroller 42 control air pump proportional dump valve 24 and backhaul pressure regulator valve 23 adjusts driving atmospheric pressure, it Afterwards, microcontroller 42 controls the first solenoid valve 26 and second solenoid valve 50 is back and forth powered, and is the first gas by the gas supply mechanism Dynamic pump 37 provides driving gas, starts the first air driven pump 37 quickly so that full of water in tested abnormal shape valve 51;
Step 502, microcontroller 42 control the first solenoid valve 26 and second solenoid valve 50 powers off, and the first air driven pump 37 stops It only works, microcontroller 42 controls air pump proportional dump valve 24 and backhaul pressure regulator valve 23 adjusts driving atmospheric pressure, later, microcontroller Device 42 controls third solenoid valve 25 and the 4th solenoid valve 41 is back and forth powered, and is that the second air driven pump 38 provides drive by the air supply pipe It takes offence, starts the second air driven pump 38;
Step 503, microcontroller 42 control air pump proportional dump valve 24 and backhaul pressure regulator valve 23 is adjusted on driving atmospheric pressure It rises, so that the outlet pressure of the second air driven pump 38 is continued constant speed rising, so that the pressure of the outlet end of the liquid supply pipe continues constant speed Rise, during the pressure of the outlet end of the liquid supply pipe continues constant speed rising, second pressure detection unit 48 is to described The pressure of the outlet end of liquid supply pipe is measured in real time, and the pressure of the outlet end for the liquid supply pipe that will test be sent to it is micro- Controller 42;
Step 504, when the pressure of the outlet end of the liquid supply pipe rises to tested special-shaped valve 51 explosion occurs, pass through Second pressure detection unit 48 obtains the burst pressure of tested special-shaped valve 51, and the burst pressure of tested special-shaped valve 51 is sent out It send to microcontroller 42;Meanwhile microcontroller 42 controls third solenoid valve 25 and the 4th solenoid valve 41 powers off, the second air driven pump 38 stop working;
Step 505, microcontroller 42 control the 5th solenoid valve 43 and are powered, and the normally opened closure of Pneumatic valve 44 starts pressure release;
Step 6: the disassembly of special-shaped valve: by the quick joint dismantling, controlling the 6th solenoid valve by microcontroller 42 17 open, the rodless cavity air inlet to cylinder body 2, and the piston rod 4 in cylinder body 2 extends, and the elongation of piston rod 4 pushes mobile 5 edge of grip block Horizontal direction to far from the movement of fixed clamp plate 3, dismantle by the tested special-shaped valve 51 after being completed.
In the present embodiment, in step 5 before the burst pressure test of special-shaped valve, need to operate by tested special-shaped valve 51 open.
In the present embodiment, in step 304 when tested special-shaped valve 51 has an entrance and one outlet, by described the One quick coupling 49 is connect with the entrance of tested special-shaped valve 51, by the second quick coupling 28 and one of tested special-shaped valve 51 Outlet connection;
When tested special-shaped valve 51 has an entrance and two outlets, by first quick coupling 49 be tested it is different The entrance of type valve 51 connects, and the second quick coupling 28 is connect with the one outlet of tested special-shaped valve 51, will be described spare Quick coupling and another outlet of tested special-shaped valve 51 connect;
When tested special-shaped valve 51 has two entrances and one outlet, by first quick coupling 49 be tested it is different One entrance of type valve 51 connects, and the spare quick coupling is connect with another entrance of tested special-shaped valve 51, will Second quick coupling 28 is connect with the one outlet of tested special-shaped valve 51.
In the present embodiment, cylinder ratio adjusting valve 8 is controlled by microcontroller 42 in step 303 and is adjusted in air supply pipe 15 During air pressure, the air pressure in air supply pipe 15 is measured in real time by first pressure detection unit 14, and will test knot Fruit is sent to microcontroller 42, and microcontroller 42 controls the first digital display meter 18 and synchronizes display, so that on the first digital display meter 18 The air pressure of display is equal to cylinder pressure setting value Pqs
In the present embodiment, first filter 7, the first mechanical pressure gauge 1 and safety valve 16, institute are housed on the air supply pipe 15 It states first pressure detection unit 14 and the 6th solenoid valve 17 is respectively positioned on the air supply pipe 15;
Shut-off valve 33, the second filter 34 and the second machinery pressure are disposed with along liquid flow direction on the liquid supply pipe Power table 46, the 5th solenoid valve 43 are located on the supply air line that the gas supply mechanism is the gas supply of Pneumatic valve 44;
Before microcontroller 42 controls the energization of the 6th solenoid valve 17 in step 303, operation first filter 7 is opened;Step When tested abnormal shape valve 51 is clamped in 304, when the super safe air pressure setting value of the air pressure in air supply pipe 15, safety valve 16 is beaten It opens;
The air pressure in air supply pipe 15 is measured in real time by the first mechanical pressure gauge 1 in step 303, so that the first machine The air pressure in air supply pipe 15 that tool pressure gauge 1 is shown is identical as the air pressure in the air supply pipe 15 that the first digital display meter 18 is shown;
The pressure of the outlet end of the liquid supply pipe is measured in real time by the second mechanical pressure gauge 46 in step 503, So that the pressure of the outlet end of the liquid supply pipe of the second mechanical pressure gauge 46 display and the confession of the second digital display meter 47 display The pressure of the outlet end of liquid pipe is identical.
In the present embodiment, the value range of clamping force detected value and the deviation α of pneumatic clamps clamp force setting value are in step 402 1~2.
In the present embodiment, cylinder ratio adjusting valve 8 is controlled by microcontroller 42 in step 404 and is adjusted in air supply pipe 15 Air pressure, so as to stablize to the clamping of tested special-shaped valve 51, detailed process is as follows:
When | Fqs-Fc| > α and Fc<FqsWhen, microcontroller 42 is according to formula Fqs'=Fqs+ α obtains tested special-shaped valve 51 Pneumatic clamps clamp force adjusted value Fqs', microcontroller 42 is according to formulaObtain cylinder Pressure adjusted value Pqs, step 401 is repeated to step 404, so as to stablize to the clamping of tested special-shaped valve 51.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all According to any simple modification to the above embodiments of the utility model technical spirit, change and equivalent structural changes, still Belong in the protection scope of technical solutions of the utility model.

Claims (3)

1. a kind of special-shaped valve burst pressure test macro of Pneumatic driving type clamping, it is characterised in that: including to tested abnormal shape Pneumatic driving type clamping device that valve (51) is clamped, quick coupling connect with tested special-shaped valve (51), to being tested Burst pressure test device that the burst pressure of special-shaped valve (51) is tested and to the Pneumatic driving type clamping device with The monitoring device that the burst pressure test device is monitored, the burst pressure test device include water feeding tank (30), with The liquid supply pipe that water feeding tank (30) connects and the pressing mechanism being arranged on the liquid supply pipe and the outlet end company with the liquid supply pipe The pressure relief mechanism connect, the pressing mechanism include gas supply mechanism, the driving atmospheric pressure of gas supply mechanism output are adjusted Air pump proportional dump valve (24) and backhaul pressure regulator valve (23), to hydraulic the first air driven pump to pressurize in the liquid supply pipe (37) with the second air driven pump (38) and the air driven pump that first air driven pump (37) and the second air driven pump (38) are controlled Control assembly, the air driven pump control assembly include the first solenoid valve being arranged at the air inlet of the first air driven pump (37) (26), be arranged second solenoid valve (50) at the gas outlet of the first air driven pump (37), setting the second air driven pump (38) into The 4th solenoid valve (41) of third solenoid valve (25) and setting at the gas outlet of the second air driven pump (38) at port, it is described fast Quick coupling includes the first quick coupling (49), the second quick coupling (28) and spare quick coupling, the outlet end of the liquid supply pipe It is connect with the first quick coupling (49), the pressure relief mechanism includes the relief tube connecting with the outlet end of the liquid supply pipe, setting Normally opened Pneumatic valve (44) on the relief tube and the 5th solenoid valve (43) that normally opened Pneumatic valve (44) is controlled;
The Pneumatic driving type clamping device includes air pressure clamping device and drives the air pressure clamping device to tested special-shaped valve The air pressure clamp drive mechanism of door (51) clamping, the air pressure clamp drive mechanism are gripper cylinder, and the gripper cylinder includes The piston rod (4) of cylinder body (2) is stretched out in cylinder body (2) and one end, and the clamping device includes the fixing clamp being fixedly connected with cylinder body (2) Hold the mobile grip block (5) of plate (3), the one end for being sleeved on piston rod (4) and energy close or separate fixed clamp plate (3), institute It states cylinder body (2) to connect by air supply pipe (15) with the first compressed gas interface (6), cylinder proportion adjustment is provided on the air supply pipe Valve (8) and the 6th solenoid valve (17);
The monitoring device includes microcontroller (42) and the parameter set unit (45) connecting respectively with microcontroller (42), The input of the microcontroller (42) is terminated with timer (54), clamping force detection unit (53), to the confession in air supply pipe (15) What atmospheric pressure was detected first pressure detection unit (14), the pressure of the outlet end of the liquid supply pipe is detected second Pressure sensing cell (48), and to the liquid level detection unit (31) that the liquid level of water feeding tank (30) is detected, the microcontroller The output of device (42) is terminated with the first digital display meter (18), the second digital display meter (47) and alarm (52), first solenoid valve (26), second solenoid valve (50), third solenoid valve (25), the 4th solenoid valve (41), the 6th solenoid valve (17), the 5th solenoid valve (43), cylinder ratio adjusting valve (8), air pump proportional dump valve (24) and backhaul pressure regulator valve (23) are carried out by microcontroller (42) Control.
2. the special-shaped valve burst pressure test macro of Pneumatic driving type clamping described in accordance with the claim 1, it is characterised in that: Equipped with first filter (7), the first mechanical pressure gauge (1) and safety valve (16), the first pressure on the air supply pipe (15) Detection unit (14) and the 6th solenoid valve (17) are respectively positioned on the air supply pipe (15);
Shut-off valve (33), the second filter (34) and the second machinery pressure are disposed with along liquid flow direction on the liquid supply pipe Power table (46), the 5th solenoid valve (43) are located on the supply air line that the gas supply mechanism is Pneumatic valve (44) gas supply;
The gas supply mechanism include the second compressed gas interface (19) being connect with compressed gas source and with the second compressed gas interface (19) The pressurization tracheae of connection and the third filter (20) and the first check valve (21) being arranged on the pressurization tracheae, it is described to add The outlet of air pipe is provided with first branch's tracheae, second branch's tracheae and third branch tracheae, the air pump proportional dump valve (24) be located on first branch tracheae, first branch tracheae by the first air inlet pipe and the first air driven pump (37) into Port connection, first solenoid valve (26) are located in first air inlet pipe, and first branch tracheae passes through the second air inlet Pipe is connect with the air inlet of the second air driven pump (38), and the third solenoid valve (25) is located in second air inlet pipe, and described the Two branch's tracheaes are connect by the first backhaul tracheae with the gas outlet of the first air driven pump (37), and second branch tracheae passes through the Two return tracheae is connect with the gas outlet of the second air driven pump (38), and the backhaul pressure regulator valve (23) is located at second branch tracheae On, the second solenoid valve (50) is located on the first backhaul tracheae, and the 4th solenoid valve (41) is located at described second time On journey tracheae, third branch tracheae is respectively the first solenoid valve (26), third solenoid valve (25) and the 5th solenoid valve (43) Gas supply, and second one-way valve (22) are provided on third branch tracheae;
The 4th filter (9) is provided on the relief tube.
3. the special-shaped valve burst pressure test macro of Pneumatic driving type clamping described in accordance with the claim 1, it is characterised in that: The gripper cylinder is uniaxial double action type cylinder;
It is provided with inlet tube (29) on the water feeding tank (30), is provided with the 7th solenoid valve (27), institute on the inlet tube (29) The blowdown valve (32) that the bottom for stating water feeding tank (30) is provided with sewage pipe and is arranged on the sewage pipe, the level sensing list First (31) are located in the water feeding tank (30), and the 7th solenoid valve (27) is controlled by microcontroller (42).
CN201820633990.6U 2018-04-29 2018-04-29 The special-shaped valve burst pressure test macro of Pneumatic driving type clamping Expired - Fee Related CN208333851U (en)

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CN201820633990.6U CN208333851U (en) 2018-04-29 2018-04-29 The special-shaped valve burst pressure test macro of Pneumatic driving type clamping

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108548665A (en) * 2018-04-29 2018-09-18 长庆石油勘探局技术监测中心 The special-shaped valve burst pressure force test system and test method of Pneumatic driving type clamping

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108548665A (en) * 2018-04-29 2018-09-18 长庆石油勘探局技术监测中心 The special-shaped valve burst pressure force test system and test method of Pneumatic driving type clamping

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