CN201955269U - Multifunctional water pressure testing machine - Google Patents
Multifunctional water pressure testing machine Download PDFInfo
- Publication number
- CN201955269U CN201955269U CN2010206327194U CN201020632719U CN201955269U CN 201955269 U CN201955269 U CN 201955269U CN 2010206327194 U CN2010206327194 U CN 2010206327194U CN 201020632719 U CN201020632719 U CN 201020632719U CN 201955269 U CN201955269 U CN 201955269U
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- water
- valve
- hydraulic
- testing machine
- water pressure
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Abstract
The utility model relates to a multifunctional water pressure testing machine comprising a hydraulic device, an air pressure device, a rack and a fixture arranged on the rack, wherein the hydraulic device comprises a hydraulic cylinder, an oil pump, an oil tank, a reversing valve, an overflow valve and an oil return pipe, and the air pressure device comprises an air intake valve, a drying device, a purifying device, an air storage tank and an air compressor. The multifunctional water pressure testing machine is characterized by being provided with a water pressure device, wherein the head end of the water pressure device is a power head, the rear end of which is sequentially provided with a water inlet valve, a water pressure cylinder, a one-way valve, a water supply valve, a water pump and a water purifying tank which are connected end to end by using a water inlet pipe; the tail end of the water pressure device is a power head, the rear end of which is sequentially provided with a water return valve, a water inductor and a water purifying tank which are connected end to end by using a water return pipe; the power head at the head end of the water pressure device is connected in parallel with the air intake valve of the air pressure device; and a water pressure cylinder piston rod of the water pressure device is connected with the hydraulic cylinder of the hydraulic device. The multifunctional water pressure testing machine has the advantages of detecting leakage of U-shaped stainless steel pipes and straight pipes.
Description
Technical field
The utility model relates to a kind of multi-functional hydraulic pressure testing machine.
Background technology
In the pressure pipe fitting is produced, no matter be seamless pipe or weld-end fittings, whether quality control requirement must exist leakage phenomenon to check it by the hydraulic testing.Hydrostatic testing machine that use at present or that provided by professional manufacturer, suitable kind and specification are more single mostly.Therefore, for many kinds and many specification pressure pipe fitting manufacturing enterprise, just need the hydrostatic testing machine of many different functions of configuration just can meet the needs of production.Thereby not only investment is many, and floor area is big, and operating personnel are many, the production cost height.Especially the stainless steel welded pipe that has does not allow to contact oily substance, so can not carry out the Leak Detection of pipe with oil pressure, so the detection that must adopt hydraulic pressure to leak, and after detecting, again water is removed in pipe, the hydrostatic testing machine of therefore demanding needing various functions urgently comes stainless steel welded pipe is carried out Leak Detection.
Summary of the invention
The purpose of this utility model is to solve Leak Detection machine function singleness of the prior art, many existing the problems referred to above of testing machine need be prepared by manufacturer, provide a kind of by optimizing, make up and improving, integrate various functions, satisfy many kinds and many specification pressure pipe fitting hydrostatic testing machine.In order to realize above-mentioned target, the utility model designs a kind of multi-functional hydrostatic testing machine, comprise hydraulic means, hydraulic means is by hydraulic cylinder, oil pump, fuel tank, reversal valve, surplus valve, scavenge pipe constitutes, pneumatic shuttle, pneumatic shuttle is by gas admittance valve, drying device, purification plant, gas-holder and air compressor are formed, frame, and the anchor clamps on the frame, it is characterized in that: a hydraulic devices is arranged, the hydraulic devices head end is a unit head, the unit head rear end is successively by the water inlet pipe water intaking valve that joined end to end, hydraulic cylinder, retaining valve, feed water valve, water pump, clear water tanks, the hydraulic devices end is a unit head, the unit head rear end is successively by the return pipe back-water valve (BWV) that joined end to end, the water induction device, clear water tanks, the unit head of hydraulic devices head end also connects the gas admittance valve of pneumatic shuttle, and the hydraulic cylinder piston rod of hydraulic devices connects the hydraulic cylinder of hydraulic means.It is characterized in that: the water pump two ends of hydraulic devices also are connected to back-water valve (BWV).It is characterized in that: the clear water tanks of hydraulic devices is connected with the moisturizing water purifier, and the moisturizing water purifier connects tap water pipeline.It is characterized in that: unit head constitutes by being installed in the cylinder on the base plate and the piston rod and the block set of connection, the front portion of piston rod is a hollow tubular, the top of hollow tubular is connected to hydraucone, sealing socket is installed behind the hydraucone, one seal is arranged between hydraucone and the sealing socket, between sealing socket and the hollow tubular O-ring seal is arranged, between hydraucone and the seal pad is arranged, offer the side through hole in the rear end of hollow tubular, on block set, offer a through slot, through slot is relative with the side through hole of hollow tubular, and the length of through slot is relative with the stroke of the side through hole of hollow tubular.The utility model has the advantages that and to carry out Leak Detection to the U-shaped stainless-steel tube, and also can detect straight tube.
Description of drawings
Fig. 1 is the overall pipeline synoptic diagram of air pressure, hydraulic pressure and hydraulic devices.
Fig. 2 is a frame of the present utility model, and the anchor clamps synoptic diagram on the frame.
Fig. 3 is the structural profile synoptic diagram of unit head of the present utility model.
Below in conjunction with implementing the utility model is elaborated.
Embodiment
Comprise hydraulic means among the figure, hydraulic means is by hydraulic cylinder 1, oil pump 2, fuel tank 3, reversal valve 4, surplus valve 5, scavenge pipe 6 constitutes, pneumatic shuttle, pneumatic shuttle is by gas admittance valve 7, drying device 8, purification plant 9, gas-holder 10 and air compressor 11 are formed, frame 101, and the anchor clamps 12 on the frame, it is characterized in that: a hydraulic devices is arranged, the hydraulic devices head end is a unit head 13, the unit head rear end is successively by water inlet pipe 14 water intaking valve 15 that joined end to end, measuring cell 151, hydraulic cylinder 16, retaining valve 17, feed water valve 18, water pump 19, clear water tanks 20, the hydraulic devices end is a unit head 13, the unit head rear end is successively by return pipe 21 back-water valve (BWV) 22 that joined end to end, water induction device 23, clear water tanks 20, the unit head of hydraulic devices head end also connects the gas admittance valve of pneumatic shuttle, and the hydraulic cylinder piston rod of hydraulic devices connects the hydraulic cylinder of hydraulic means.It is characterized in that: the water pump two ends of hydraulic devices also are connected to back-water valve (BWV) 24.It is characterized in that: the clear water tanks of hydraulic devices is connected with moisturizing water purifier 25, and the moisturizing water purifier connects tap water pipeline 26.It is characterized in that: unit head is made of the piston rod 29 and the block set 30 that are installed in the cylinder 28 on the base plate 27 and connect, the front portion of piston rod is a hollow tubular, the top of hollow tubular is connected to hydraucone 31, sealing socket 32 is installed behind the hydraucone, one seal 33 is arranged between hydraucone and the sealing socket, O-ring seal 34 is arranged between sealing socket and the hollow tubular, pad 35 is arranged between hydraucone and the seal, offer side through hole 36 in the rear end of hollow tubular, on block set, offer a through slot 37, through slot is relative with the side through hole of hollow tubular, and the length of through slot is relative with the stroke of the side through hole of hollow tubular.
During concrete the test, will adjust frame, open air compressor machine,, and reach required working pressure to the gas-holder inflation by the length of " U type pipe ".Anchor clamps on the frame are all opened, U type pipe 40 is put among the anchor clamps, and clamp U type pipe, and the corresponding end of U type pipe is inserted in the bell-mouthed sealing socket of two unit heads, will switch on the pump, close the gas admittance valve of pneumatic shuttle, and make water enter U type pipe, water during from back-water valve (BWV) to the water induction device water be full of, close back-water valve (BWV) this moment, water also enters hydraulic cylinder simultaneously, allows water pump and its back-water valve (BWV) constitute water system and is in the partial circulating state.Start hydraulic means, the piston of hydraulic cylinder is protracted and the piston-advance and the water in U type pipe that promote hydraulic cylinder carries out supercharging.When the water pressure in the U type pipe reaches set pressure, the surplus valve in the hydraulic means will kept automatic overflow under the pressure state of setting.At this moment, must check U type tube-surface by poker, must not have leakage phenomenon.When the dwell time of controller reached setting value, hydraulic means was with automatic deloading.After detecting the nothing leakage, water intaking valve is opened and closed, and back-water valve (BWV) is opened.With inlet open, pressurized air pushes back clear water tanks with the water in the U type pipe by back-water valve (BWV) and return pipe by unit head.Simultaneously, by continuing purging, the residuary water mark on the tube wall is blown off, dries up.Decontrol anchor clamps at last, U type pipe takes out.
And if desired straight tube is detected, can utilize in two unit heads, a locating rack is installed on frame then, with straight tube with anchor clamps fixing after, and with the silently other end of straight tube is stopped up on the locating rack, the test of pressurizeing with a unit head then do not have to be leaked the back and is decontroled, and the water in the straight tube can't reclaim and flow into tank.
Claims (4)
1. multi-functional hydrostatic testing machine, comprise hydraulic means, hydraulic means is by hydraulic cylinder, oil pump, fuel tank, reversal valve, surplus valve, scavenge pipe constitutes, pneumatic shuttle, pneumatic shuttle is by gas admittance valve, drying device, purification plant, gas-holder and air compressor are formed, frame, and the anchor clamps on the frame, it is characterized in that: a hydraulic devices is arranged, the hydraulic devices head end is a unit head, the unit head rear end is successively by the water inlet pipe water intaking valve that joined end to end, hydraulic cylinder, retaining valve, feed water valve, water pump, clear water tanks, the hydraulic devices end is a unit head, the unit head rear end is successively by the return pipe back-water valve (BWV) that joined end to end, the water induction device, clear water tanks, the unit head of hydraulic devices head end also connects the gas admittance valve of pneumatic shuttle, and the hydraulic cylinder piston rod of hydraulic devices connects the hydraulic cylinder of hydraulic means.
2. a kind of multi-functional hydrostatic testing machine as claimed in claim 1 is characterized in that: the water pump two ends of hydraulic devices also are connected to back-water valve (BWV).
3. a kind of multi-functional hydrostatic testing machine as claimed in claim 1, it is characterized in that: the clear water tanks of hydraulic devices is connected with the moisturizing water purifier, and the moisturizing water purifier connects tap water pipeline.
4. a kind of multi-functional hydrostatic testing machine as claimed in claim 1, it is characterized in that: unit head constitutes by being installed in the cylinder on the base plate and the piston rod and the block set of connection, the front portion of piston rod is a hollow tubular, the top of hollow tubular is connected to hydraucone, sealing socket is installed behind the hydraucone, one seal is arranged between hydraucone and the sealing socket, between sealing socket and the hollow tubular O-ring seal is arranged, between hydraucone and the seal pad is arranged, offer the side through hole in the rear end of hollow tubular, offer a through slot on block set, through slot is relative with the side through hole of hollow tubular, and the length of through slot is relative with the stroke of the side through hole of hollow tubular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206327194U CN201955269U (en) | 2010-11-30 | 2010-11-30 | Multifunctional water pressure testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206327194U CN201955269U (en) | 2010-11-30 | 2010-11-30 | Multifunctional water pressure testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201955269U true CN201955269U (en) | 2011-08-31 |
Family
ID=44499377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206327194U Expired - Fee Related CN201955269U (en) | 2010-11-30 | 2010-11-30 | Multifunctional water pressure testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201955269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527533A (en) * | 2013-10-24 | 2014-01-22 | 中冶辽宁德龙钢管有限公司 | Device and solution for preventing top oil tank of hydrostatic pressure testing machine from oil injection |
| CN105583204A (en) * | 2016-02-22 | 2016-05-18 | 上海金保莱不锈钢有限公司 | Multi-station hydraulic press |
-
2010
- 2010-11-30 CN CN2010206327194U patent/CN201955269U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527533A (en) * | 2013-10-24 | 2014-01-22 | 中冶辽宁德龙钢管有限公司 | Device and solution for preventing top oil tank of hydrostatic pressure testing machine from oil injection |
| CN105583204A (en) * | 2016-02-22 | 2016-05-18 | 上海金保莱不锈钢有限公司 | Multi-station hydraulic press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20151130 |
|
| EXPY | Termination of patent right or utility model |