CN207050924U - A kind of end cap structure for pressure test - Google Patents

A kind of end cap structure for pressure test Download PDF

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Publication number
CN207050924U
CN207050924U CN201721039157.0U CN201721039157U CN207050924U CN 207050924 U CN207050924 U CN 207050924U CN 201721039157 U CN201721039157 U CN 201721039157U CN 207050924 U CN207050924 U CN 207050924U
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China
Prior art keywords
end cap
cylinder
water tank
pressure test
positioning disk
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CN201721039157.0U
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Chinese (zh)
Inventor
钦小波
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East Instrument (suzhou) Co Ltd
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East Instrument (suzhou) Co Ltd
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Priority to CN201721039157.0U priority Critical patent/CN207050924U/en
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Abstract

The utility model discloses a kind of end cap structure for pressure test, it is characterized in that, including water tank, elevating mechanism and inflation/deflation mechanism, wherein described elevating mechanism is arranged in the water tank, the elevating mechanism with the cylinder outside water tank bottom surface by connecting, to realize that the elevating mechanism sinks to the action of water tank or rise;The inflation/deflation mechanism is connected by component valve with the air-path control system outside water tank, and filling or deflate to end cap is realized under the control of air-path control system.

Description

A kind of end cap structure for pressure test
Technical field
The utility model belongs to pressurized seal testing field, more particularly to a kind of end cap structure for pressure test.
Background technology
The parts such as rotz flowmeter housing, end cap are because material or weld seam have a reasons such as stomata, the complexity of self structure, Stomata or fine crack existing for the position that some are not easy to observe is set to be easy to by maintainer be ignored, it is necessary to by pressure-resistant experiment Judge that inside there may be stomata or crackle etc. and avoid potential safety hazard.Pressurized seal experiment is very important in process One procedure, the compressed air of certain pressure is exactly filled with to closed cover internal, then soaked the end cap after inflation completely Enter in water, escaped if any bubble, you can there is leakage position in judgement, maintainer further determines that accurate leak position, and Handled.During traditional pressure testing, it is arranged on by two end cap a positive and a negative on traditional structure for pressure test and need to holds and be put into water In case, and this structure for pressure test is simple in construction, can only once detect two end caps, not safe enough without exhaust hole.To improve Detection results and operating efficiency, the utility model have made a kind of end cap structure for pressure test directly to observe loading test effect.
Utility model content
The utility model provides a kind of end cap structure for pressure test, can solve end cap frock pressure testing existing for prior art and imitate Rate is low, the problem of poor reliability.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is:
A kind of end cap structure for pressure test, including water tank, elevating mechanism and inflation/deflation mechanism, wherein the elevating mechanism is arranged at In the water tank, the elevating mechanism with the cylinder outside water tank bottom plate by connecting, to realize that the elevating mechanism sinks to water tank Or the action risen;The inflation/deflation mechanism is connected by component valve with the air-path control system outside water tank, and is controlled in gas circuit Filling or deflate to end cap is realized under the control of system.
Preferably, the cylinder has a piston rod, and the piston rod is arranged in the water tank.
Preferably, the cylinder is standard tension rod formula cylinder, and by a foot valve controlling switch, the number of cylinders is two It is individual, to cause the piston rod steadily to lift the lifting frame.
Preferably, a sealing gasket is set between the cylinder and water tank bottom plate and sealed by glass cement, to prevent cylinder Excessive waterlogged damage cylinder operation performance.
Preferably, the water tank bottom is provided with discharging valve.
According to a preferred embodiment of the present utility model, wherein the elevating mechanism includes cylinder, lifting frame and pulley, its Described in two sides of lifting frame four pulleys are set, the lifting frame is connected to the piston rod, in the drive of the cylinder Under the pulley do lifting carriage along the side plate of water tank.
Preferably, the pulley is arranged at the corner of two relative sides of the lifting frame, to cause the lifting frame It is not easy to rock during lifting.
According to a preferred embodiment of the present utility model, wherein an at least positioning disk is set on the lifting frame, it is described fixed The surface of position disk sets an at least positioning through hole, and the position of the positioning through hole is adapted to the fixed positioning disk in the lifting Frame and the position for being adapted to fixed different size end caps to be tested, the centrally disposed through hole post of the positioning disk.
Preferably, the positioning disk is fixed on the lifting frame by four screw tightenings.
According to a preferred embodiment of the present utility model, wherein the positioning disk further connects a wallboard, the wallboard Center has the through hole post that a through hole corresponds to the positioning disk.
Preferably, the through hole post has screw thread, and the wallboard is fixed at the positioning disk by a nut.
According to a preferred embodiment of the present utility model, wherein the wallboard further connects a sealing ring, by described Sealing ring seals the junction gap of the wallboard and the end cap so that formation one is close between the end cap and the wallboard The hollow structure of envelope, the end cap are further fixed on the positioning disk by an at least screw.
Preferably, the positioning disk quantity is six suitable for six end caps of positioning.
Preferably, the end cap of fixed different sizes needs at least four screws, and the screw is screwed into depth and required more than 10mm。
According to a preferred embodiment of the present utility model, wherein the inflation/deflation mechanism includes source of the gas, the part of source of the gas two, let out Pressure valve, component valve, air gun, wherein the source of the gas is connected to the part of source of the gas two, the part of source of the gas two is divided into two-way, all the way Air inlet and exhaust are controlled by relief valve, the air inlet position of the relief valve is further connected at least one component valve, described Component valve is further connected to the through hole post of the positioning disk, and the exhaust position of the relief valve is further connected to the gas Rifle;Another way is connected to the cylinder by foot valve.
Preferably, the source of the gas is provided with the pressure regulator valve and air pressure pressure gauge of connection air inlet pipe.
Preferably, the component valve quantity is six, is serially connected between the component valve.
According to a preferred embodiment of the present utility model, wherein the foot valve is connected to two institutes by two-way Cylinder is stated, air inlet all the way causes the cylinder to rise, and another way air inlet causes the cylinder to decline.
Preferably, two cylinders are serially connected so that the cylinder synchronously performs and rises or falls work.
Compared with prior art, the advantages of the utility model and good effect is:
1st, using this novel end cover structure for pressure test, can the pressure testing simultaneously of multiple end caps, substantially increase production efficiency, alleviate The labor intensity of worker, such as six end caps of one-time detection, whole process only need 5 minutes.
The 2nd, there will be bubble generation in water in use, once end cap has the defects of crackle, stomata, so as to more intuitively examine The air-tightness of end cap is surveyed, even trickle stomata can also be easier to intuitively be detected;This workbench is easy to operate simple So as to which working efficiency be greatly improved.
3rd, the action of elevating mechanism steps on switch control by pin, realizes semi-automatic pressure testing, realizes the end cap dwell time artificial Control, reliability are high.
4th, four pulleys on travel(l)ing rest can also substitute the effect of traditional direction axle, prevent the support of activity from jacking All around excessively rocked in journey, extend the cylinder life-span.
Brief description of the drawings
Fig. 1 is a kind of schematic cross-sectional view of one preferred embodiment of end cap structure for pressure test of the present utility model.
Fig. 2 is a kind of dimensional structure diagram of one preferred embodiment of end cap structure for pressure test of the present utility model.
Fig. 3 is a kind of wallboard of one preferred embodiment of end cap structure for pressure test of the present utility model and the connection status of end cap Schematic cross-sectional view.
Fig. 4 is a kind of installation end lid view of one preferred embodiment of end cap structure for pressure test of the present utility model.
Fig. 5 is a kind of gas circuit control principle drawing of one preferred embodiment of end cap structure for pressure test of the present utility model.Accompanying drawing Mark:
Water tank 10, water tank bottom plate 11;
Elevating mechanism 20, cylinder 21, piston rod 211, lifting frame 22, positioning disk 23, positioning through hole 231, through hole post 232, Pulley 24, wallboard 25, sealing ring 26;
Source of the gas 31, the part 32 of source of the gas two, relief valve 33, component valve 34, air gun 35;
Drain valve 50;
End cap 60, end cap screw 61.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings:
It is a kind of one preferred embodiment of end cap structure for pressure test of the present utility model as shown in Figures 1 to 4, a kind of end Lid structure for pressure test, including water tank 10, elevating mechanism 20 and inflation/deflation mechanism (not shown), wherein the elevating mechanism 20 is set It is placed in the water tank 10, the elevating mechanism 20 with the cylinder 21 outside water tank bottom plate 11 by connecting, to realize the lifting Mechanism 20 sinks to the action in water tank 10 or risen;The inflation/deflation mechanism is controlled by the gas circuit outside component valve 34 and water tank 10 System connectivity, and filling or put to end cap 60 is realized under the control of air-path control system.Wherein described cylinder 21 has one to live Stopper rod, the piston rod 211 are arranged in the water tank.The cylinder 21 is standard tension rod formula cylinder, by a foot valve (in figure It is not shown) controlling switch, the quantity of cylinder 21 of the end cap structure for pressure test is two, to cause the piston rod 211 steadily to hold in the palm Lift the lifting frame 22.By setting a sealing gasket (not shown) and passing through glass between the cylinder 21 and water tank bottom plate Glue seals, to prevent the excessive waterlogged damage cylinder operation performance of cylinder.The water tank bottom is provided with discharging valve.
As shown in figure 1, wherein described elevating mechanism 20 includes cylinder 21, lifting frame 22 and pulley 24, wherein the lifting 22 two sides of frame set four pulleys 24, and the lifting frame 22 is connected to the piston rod 211, in the drive of the cylinder 21 Under side plate of the pulley 24 along the water tank 10 do lifting carriage.
Cylinder in the present embodiment buys the JSC Standard Cylinders from Shanghai Ruan Long industrial automations Electrical Appliances Co., Ltd, cylinder Footpath 63, stroke 600.
As shown in Fig. 2 the pulley 24 is arranged at the corner of two relative sides of the lifting frame, two-by-two relatively, with So that the lifting frame 22 is not easy to rock during lifting.
Further, wherein setting six positioning disks 23 on the lifting frame 22, the surface of the positioning disk 23 is set 24 positioning through hole 231, the position of the positioning through hole 231 are adapted to the fixed positioning disk 23 in the lifting frame 22 and fitted A through hole post 232 should be provided centrally with the position of the different sizes of fixation end cap 60 to be tested, the positioning disk 23.It is worth One is mentioned that, the positioning disk 23 is fixed on by four screw (not shown)s from being tightened from below for positioning disk 23 The lifting frame 22.
As shown in figure 3, further one wallboard 25 of connection, the center of wallboard 25 have one to wherein described positioning disk 23 Through hole corresponds to the through hole post 232 of the positioning disk 23.The through hole post 232 has screw thread, by a nut (in figure not Show) wallboard 25 is fixed at the positioning disk 23.The quantity of positioning disk 23 is six and is suitable to described in positioning six End cap 60.
Specifically, wherein the wallboard 25 further connects a sealing ring 26, the wall is sealed by the sealing ring 26 The junction gap of plate 25 and the end cap 60 so that one sealing of formation is hollow between the end cap 60 and the wallboard 25 Structure.
As shown in figure 4, the end cap 60 is fixed on the positioning disk 23, differed need according to the size of test end cap The screw quantity wanted also differs, and the quantity of screw is determined by the position of screw 61 of end cap in itself, the screw, which is screwed into depth, to be surpassed Crossing 10mm could preferably be fixed on the positioning disk 23.End cap shown in figure has eight positions of screw 61, it is necessary to eight Screw, which is screwed into, to be fixed at the corresponding positioning through hole 231 of the positioning disk 23.
As shown in figure 5, wherein described inflation/deflation mechanism includes source of the gas 31, the part 32 of source of the gas two, relief valve 33, component valve 34th, air gun 35, wherein the source of the gas 31 is connected to the part 32 of source of the gas two, the part 32 of source of the gas two divides for two-way, all the way Air inlet and exhaust, the air inlet position of the relief valve 33 is controlled to be further connected to six component valves 34 by relief valve 33, The component valve 34 is further connected to the through hole post 232 of the positioning disk 23, and the exhaust position of the relief valve 33 enters one Step is connected to the air gun 35;Another way is connected to the cylinder 21 by foot valve 40.It is noted that it is being embodied During, the source of the gas 31 is provided with the pressure regulator valve (not shown) and air pressure pressure gauge (not shown) of connection air inlet pipe.
Specifically, the quantity of component valve 34 is six, is serially connected between the component valve 34.Wherein described foot valve 40 are connected to two cylinders 21 by two-way, and air inlet 1 all the way causes the cylinder 21 to rise, and another way air inlet 2 makes The cylinder 21 is obtained to decline.The cylinder 211 and the cylinder 212 are serially connected so that the cylinder 21 is synchronous to perform rising Or decline work.
It should be understood by those skilled in the art that the embodiment of the present utility model shown in foregoing description and accompanying drawing is only used as Illustrate and be not intended to limit the utility model.The purpose of this utility model completely and effectively realizes.Work(of the present utility model Energy and structural principle show and illustrated in embodiment, under without departing from the principle, embodiment of the present utility model Can there are any deformation or modification.

Claims (9)

1. a kind of end cap structure for pressure test, it is characterised in that including water tank, elevating mechanism and inflation/deflation mechanism, wherein the lifting Mechanism is arranged in the water tank, and the elevating mechanism with the cylinder outside water tank bottom plate by connecting, to realize the lift Structure sinks to the action of water tank or rise;The inflation/deflation mechanism is connected by component valve with the air-path control system outside water tank, and Filling or deflate to end cap is realized under the control of air-path control system.
2. end cap structure for pressure test according to claim 1, wherein the cylinder has a piston rod, the piston rod is set In in the water tank, the cylinder is standard tension rod formula cylinder, and by a foot valve controlling switch, the number of cylinders is two, To cause the piston rod steadily to lift lifting frame, a sealing gasket is set between the cylinder and water tank bottom plate and passes through glass cement Sealing, further, the water tank bottom is provided with discharging valve.
3. according to any described end cap structure for pressure test of claim 1 or 2, wherein the elevating mechanism includes cylinder, lifting frame And pulley, wherein two sides of the lifting frame set four pulleys, the lifting frame is connected to piston rod, in the cylinder The pulley does lifting carriage along the side plate of water tank under drive.
4. end cap structure for pressure test according to claim 3, wherein an at least positioning disk is set on the lifting frame, it is described fixed The surface of position disk sets an at least positioning through hole, and the position of the positioning through hole is adapted to the fixed positioning disk in the lifting Frame and the position for being adapted to fixed different size end caps to be tested, the centrally disposed through hole post of the positioning disk.
5. end cap structure for pressure test according to claim 4, wherein the positioning disk quantity is suitable to six institutes of positioning for six End cap is stated, the positioning disk is fixed on the lifting frame by four screw tightenings.
6. end cap structure for pressure test according to claim 4, wherein the positioning disk further connects a wallboard, the wallboard Center has the through hole post that a through hole corresponds to the positioning disk, and the through hole post has screw thread, passes through a nut The wallboard is fixed on the positioning disk.
7. end cap structure for pressure test according to claim 6, wherein the wallboard further connects a sealing ring, by described Sealing ring seals the junction gap of the wallboard and the end cap so that formation one is close between the end cap and the wallboard The hollow structure of envelope, the end cap are further fixed on the positioning disk by an at least screw.
8. end cap structure for pressure test according to claim 1, wherein the inflation/deflation mechanism include source of the gas, the part of source of the gas two, Relief valve, component valve, air gun, wherein the source of the gas is connected to the part of source of the gas two, the part of source of the gas two is divided into two-way, and one Road controls air inlet and exhaust, the air inlet position of the relief valve to be further connected at least one component valve, institute by relief valve The through hole post that component valve is further connected to positioning disk is stated, the component valve quantity is six, is mutually gone here and there between the component valve Connection, the exhaust position of the relief valve is further connected to the air gun;Another way is connected to the cylinder by foot valve.
9. end cap structure for pressure test according to claim 8, wherein the foot valve is connected to two institutes by two-way Cylinder is stated, air inlet all the way causes the cylinder to rise, and another way air inlet causes the cylinder to decline, and two cylinders are mutually gone here and there Connection so that the cylinder synchronously performs and rises or falls work.
CN201721039157.0U 2017-08-18 2017-08-18 A kind of end cap structure for pressure test Active CN207050924U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721039157.0U CN207050924U (en) 2017-08-18 2017-08-18 A kind of end cap structure for pressure test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721039157.0U CN207050924U (en) 2017-08-18 2017-08-18 A kind of end cap structure for pressure test

Publications (1)

Publication Number Publication Date
CN207050924U true CN207050924U (en) 2018-02-27

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Application Number Title Priority Date Filing Date
CN201721039157.0U Active CN207050924U (en) 2017-08-18 2017-08-18 A kind of end cap structure for pressure test

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109900434A (en) * 2019-03-18 2019-06-18 杭州九龙机械制造有限公司 Bell housing air tightness detection equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109900434A (en) * 2019-03-18 2019-06-18 杭州九龙机械制造有限公司 Bell housing air tightness detection equipment
CN109900434B (en) * 2019-03-18 2020-08-04 杭州九龙机械制造有限公司 Flywheel casing gas tightness detection equipment

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