CN212963873U

CN212963873U - Wear-resisting valve detection device

Info

Publication number: CN212963873U
Application number: CN202022144745.9U
Authority: CN
Inventors: 刘光明; 殷渊; 王林
Original assignee: Changzhou Longjin Machinery Co ltd
Current assignee: Changzhou Longjin Machinery Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-04-13
Anticipated expiration: 2030-09-25

Abstract

The application relates to a wear-resisting valve detection device, it relates to valve detection technical field, and it includes pressure testing pond and hoist and mount component, and the hoist and mount component includes frame, hoist and mount slide rail and hoist and mount connecting piece, and the hoist and mount slide rail is installed in the frame and is erect in pressure testing pond top, and hoist and mount connecting piece hoist and mount wear-resisting valve gets into in the pressure testing pond, and compressed gas is let in to the one end of wear-resisting valve. This application has the precision that promotes wear-resisting valve leakproofness testing result, reduces the effect that the condition of erroneous judgement takes place.

Description

Wear-resisting valve detection device

Technical Field

The application relates to the field of valve detection, in particular to a wear-resistant valve detection device.

Background

The air lock wear-resisting valve is an instrument auxiliary device, and when the compressed air source fails and stops air supply, the valve control channel is closed by the air lock wear-resisting valve, so that the position of the valve is kept at the position before air supply failure. The normal operation of the technological process is ensured, the channel is not opened by the air-lock wear-resisting valve until the accident in the system is eliminated and the air supply is resumed, and the normal control is resumed.

A related art airlock wear valve is shown in fig. 1 and includes a drive cylinder 11, a valve seat 12, and two valve plates 13. The valve seat 12 comprises a mounting hole 14 and a communication hole 15 penetrating through the valve seat 12, and the mounting hole 14 is perpendicular to the axis of the communication hole 15. The cylinder is mounted on the valve seat 12 and the output shaft of the drive cylinder 11 extends into the mounting hole 14. The output shaft of the transmission cylinder 11 is connected with a connecting sleeve 16, a spring 17 penetrates through the connecting sleeve 16, two ends of the spring 17 are respectively connected with a valve plate 13, and the valve plates 13 are positioned in the communication holes 15 and can block the communication of the communication holes 15. The valve plate 13 is connected with a sealing ring 18 at the side far away from the spring 17, and plays a role of sealing when sealing the communication hole 15. When the output shaft of the transmission cylinder 11 retracts, the valve plate 13 can be driven to be separated from the communication hole 15, so that the communication hole 15 is opened.

At present, the sealing performance of the wear-resistant valve needs to be detected after the wear-resistant valve is produced. The detection method in the related art comprises the following steps of immersing a valve seat of the wear-resistant valve into soap water to enable the soap water to form a water film on the surface of the valve seat, starting a transmission cylinder to close a communication hole of the valve seat, introducing compressed air into one end of the communication hole, and judging whether the sealing performance of the wear-resistant valve is qualified or not by observing whether the water film at the other end of the communication hole has the phenomena of vibration, breakage, flowing and the like or not through naked eyes.

In view of the above-mentioned related technologies, the inventors consider that the accuracy of the detection result of the sealability of the wear-resistant valve obtained by the above-mentioned detection method is not high, and erroneous judgment is likely to occur.

SUMMERY OF THE UTILITY MODEL

In order to improve the not high problem of wear-resisting valve leakproofness testing result precision, this application provides a wear-resisting valve detection device.

The application provides a wear-resisting valve detection device adopts following technical scheme:

the utility model provides a wear-resisting valve detection device, includes pressure testing pond and hoist and mount component, the hoist and mount component includes frame, hoist and mount slide rail and hoist and mount connecting piece, the hoist and mount slide rail is installed in the frame and is erect in pressure testing pond top, hoist and mount connecting piece hoist and mount wear-resisting valve gets into in the pressure testing pond, the one end of wear-resisting valve lets in compressed gas.

By adopting the technical scheme, compressed gas is introduced into one end of the closed wear-resistant valve, the wear-resistant valve is hoisted into the pressure test water tank through the hoisting component, if the end, far away from the end where the compressed gas is introduced, of the wear-resistant valve immersed in the pressure test water tank continuously emits water bubbles, the poor sealing performance of the wear-resistant valve is indicated, otherwise, no obvious bubbles appear, and the sealing performance of the wear-resistant valve is better. The method has the effects of improving the precision of the detection result of the sealing performance of the wear-resistant valve and reducing the occurrence of misjudgment.

Optionally, the hoisting connecting piece comprises a telescopic rod, a plurality of hoisting ropes and a hoisting disc, one end of the telescopic rod is connected with the hoisting slide rail in a sliding mode, the other end of the telescopic rod is connected with the hoisting ropes, the hoisting ropes are connected with the hoisting disc, and the wear-resistant valve is located on the hoisting disc.

By adopting the technical scheme, the wear-resistant valve is placed on the hoisting disc, the telescopic rod stretches and retracts to hoist or put down the hoisting disc, and the telescopic rod slides on the hoisting slide rail to move the hoisting disc above or out of the pressure test pool. The wear-resisting valve of different specifications and model can be conveniently lifted by crane to a great extent to the setting of hoist and mount dish, and the practicality is better, and the installation degree of difficulty of lifting by crane is less.

Optionally, the hoisting disc is provided with a water filtering hole.

Through adopting above-mentioned technical scheme, when hanging out wear-resisting valve in following the pressure testing pond, water on hoist and mount dish and the wear-resisting valve can spill through the drainage hole, reduces the loss rate of the water in the pressure testing pond.

Optionally, the hoisting slide rail includes a conveying chain, a sleeve ring and two sliding rods, the sliding rods and the conveying chain are mounted on the rack, and the conveying chain is located between the two sliding rods and extends along the length direction of the sliding rods; the lantern ring is sleeved on the peripheries of the two sliding rods, and the side wall of one side of the lantern ring is connected with the conveying chain; the lantern ring is connected towards the one side lateral wall in pressure testing pond and the telescopic link one end of keeping away from the hoist and mount rope.

Through adopting above-mentioned technical scheme, the conveying chain conveying can drive the lantern ring and slide along the axial of the pole that slides, because wear-resisting valve has certain weight, the setting of the pole that slides both can provide the direction for sliding of the lantern ring, also can undertake the gravity of the wear-resisting valve lifted by crane, reduces conveying chain deformation or cracked hidden danger.

Optionally, still including being located the first conveyer belt and the second conveyer belt of pressure testing pond both sides, the direction of transfer of first conveyer belt with the direction of transfer of conveying chain is unanimous, the hoist and mount dish is located first conveyer belt.

Through adopting above-mentioned technical scheme, the wear-resisting valve of automatic conveying of can being convenient for of setting up of first conveyer belt and second conveyer belt, because first conveyer belt and second conveyer belt have certain height, so can practice thrift the time and the difficulty that the component lifted by crane the hoisting dish, and be convenient for promote the experimental efficiency of wear-resisting valve leakproofness.

Optionally, the first conveyor belt and the second conveyor belt are both formed by hinged chain plates.

By adopting the technical scheme, the chain plate has certain rigidity and hardness, the hinged chain plate is used as the component parts of the first conveyor belt and the second conveyor belt, and the deformation degree of the first conveyor belt and the second conveyor belt can be reduced when the wear-resistant valve is conveyed on the first conveyor belt and the second conveyor belt, so that the device can stably run.

Optionally, the first conveyor belt is connected with a plurality of partition plates, and the partition plates extend along the width direction of the first conveyor belt.

Through adopting above-mentioned technical scheme, because wear-resisting valve has certain weight, so receive inertia when first conveyer belt starts and stops to influence, the hoist and mount dish slides a section distance along the direction of transfer of first conveyer belt easily, and the division board can reduce the distance of sliding of hoist and mount dish to reduce the unexpected hidden danger that drops into the pressure testing pond of hoist and mount dish and wear-resisting valve.

Optionally, the second conveyor belt is provided with a drain hole, and a drain tank is arranged below the second conveyor belt.

By adopting the technical scheme, the drain hole is used for draining water on the hoisting disc, and the water dripping from the second conveying belt is collected through the drain box, so that the environmental cleaning time of a pressure test site is reduced conveniently, and the potential safety hazard caused by the fact that test phenomena water drops on the ground is reduced conveniently.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the pressure test pool and the hoisting component, the effects of improving the precision of the detection result of the sealing performance of the wear-resistant valve and reducing the occurrence of misjudgment can be achieved;

2. through the arrangement of the first conveyor belt and the second conveyor belt, the effects of automatically conveying the wear-resistant valve and reducing the lifting time and the lifting difficulty of the lifting member can be achieved;

3. through the setting of conveying chain, lantern ring and slide bar, can play the hoist and mount connecting piece that steadily slides, promote the effect of the stability of wear-resisting valve hoist and mount.

Drawings

Fig. 1 is a schematic sectional structure view of a wear-resistant valve of the related art.

Fig. 2 is a schematic overall structure diagram of the detection device according to the embodiment of the present application.

Description of reference numerals: 1. a wear-resistant valve; 11. a transmission cylinder; 12. a valve seat; 13. a valve plate; 14. mounting holes; 15. a communicating hole; 16. connecting a sleeve; 17. a spring; 18. a seal ring; 2. a first conveyor belt; 21. a partition plate; 3. a second conveyor belt; 31. a drain hole; 32. a drain tank; 4. a pressure test water tank; 5. a frame; 6. hoisting the slide rail; 61. a conveyor chain; 62. a slide bar; 63. a collar; 64. a drive motor; 65. a rotating shaft; 66. a transmission gear; 7. hoisting the connecting piece; 71. a telescopic cylinder; 72. a connecting plate; 73. hoisting a rope; 75. hoisting a disc; 751. hanging a ring; 752. and (5) filtering the water.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses wear-resisting valve detection device. Referring to fig. 1 and 2, a wear-resistant valve detection device comprises a first conveyor belt 2, a pressure test water tank 4 and a second conveyor belt 3 which are arranged in sequence, wherein a hoisting member is arranged above the pressure test water tank 4 and can extend to the upper parts of the first conveyor belt 2 and the second conveyor belt 3. The wear-resisting valve 1 in a closed state is continuously hoisted to the first conveying belt 2 from the starting end of the first conveying belt 2, the first conveying belt 2 conveys the wear-resisting valve 1 to the pressure testing water pool 4, one end of the wear-resisting valve 1 is connected with a gas pipe of an air compressor, and compressed gas is introduced into the wear-resisting valve 1. The wear-resistant valve 1 is lifted into the pressure test water tank 4 by using the lifting member, the wear-resistant valve 1 is immersed, whether continuous bubbles are generated in the pressure test water tank 4 or not is observed, and if no bubbles are generated, the sealing property is qualified. The hoisting component hoists the wear-resistant valve 1 out of the pressure test pool 4 and transfers the wear-resistant valve to the second conveyor belt 3 for conveying away, and the automation degree is high.

Referring to fig. 1 and 2, the first conveyor 2 is formed by a link plate hinge, and a plurality of partition plates 21 are connected in the conveying direction of the first conveyor 2, and the partition plates 21 extend in the width direction of the first conveyor 2. The partition plates 21 divide the conveying surface of the first conveying belt 2 into a plurality of placing areas, and the wear-resistant valves 1 are located in the placing areas, so that the situation that the wear-resistant valves 1 slip due to inertia and fall into the pressure test water tank 4 accidentally can be reduced.

The hoisting component comprises a rack 5, a hoisting slide rail 6 and a hoisting connecting piece 7, the pressure test water tank 4 is positioned in the rack 5, the hoisting slide rail 6 is connected with the rack 5 and erected above the pressure test water tank 4, and the hoisting connecting piece 7 is connected with the hoisting slide rail 6 in a sliding manner and can hoist the wear-resistant valve 1.

Referring to fig. 2, the hoisting slide rail 6 includes two parallel-arranged sliding rods 62, a conveying chain 61 located between the sliding rods 62, and a lantern ring 63 welded with the conveying chain 61, the sliding rods 62 are fixedly connected with the frame 5, one end of each sliding rod 62 extends to the upper side of the first conveying belt 2, and the other end extends to the upper side of the second conveying belt 3. The sliding rod 62 is connected with a transmission motor 64 and a rotating shaft 65, the transmission motor 64 and the rotating shaft 65 are fixedly sleeved with a transmission gear 66, the transmission chain 61 is meshed with the transmission gear 66 and drives the transmission chain 61 to transmit through the transmission motor 64, and therefore the lantern ring 63 is controlled to slide between the first conveyor belt 2 and the second conveyor belt 3.

The conveying chain 61 and the sliding rod 62 are arranged in the lantern ring 63 in a penetrating mode, one side, away from the pressure test water tank 4, of the conveying chain 61 is welded to the inner wall of the lantern ring 63, and the outer wall, facing the pressure test water tank 4, of one side of the lantern ring 63 is welded to the hoisting connecting piece 7. When the transmission chain 61 drives the lantern ring 63 to slide, the sliding rod 62 can assist in supporting the hoisting connecting piece 7.

Referring to fig. 2, the hoisting connection member 7 includes a telescopic rod, a connection plate 72, a hoisting rope 73 and a hoisting disc 75, the telescopic rod adopts a telescopic cylinder 71, one end of the telescopic cylinder 71 is welded to the lantern ring 63, and the other end is welded to the connection plate 72. The connecting plate 72 is provided with a plurality of hoisting holes, and hoisting ropes 73 pass through the hoisting holes and are tied on the connecting plate 72. In order to prolong the service life of the hoisting rope 73, the hoisting rope 73 is an iron chain, and the hoisting rope 73 is fixed with the connecting plate 72 in a welding mode after penetrating through the connecting plate 72. One end of the hoisting rope 73, which is far away from the connecting plate 72, is provided with a hook 751, the hoisting disc 75 is provided with a hanging ring 751, and the hoisting disc 75 is hoisted through the connection of the hook and the hanging ring 751.

Referring to fig. 1 and 2, the wear-resistant valve 1 is located on the hoisting disc 75, and after the wear-resistant valve 1 is hoisted and immersed into the pressure testing pool 4 for pressure testing, the hoisting disc 75 is provided with a plurality of water filtering holes 752 so as to reduce the loss of water in the pressure testing pool. While the hoisting plate 75 is being hoisted from the pressure test tank to the second conveyor belt 3, the water stored in the hoisting plate 75 can fall back into the pressure test tank 4 through the water drain holes 752.

The second conveyor belt 3 is also formed by hinging a plurality of chain plates, a plurality of drain holes 31 are arranged on the second conveyor belt 3, and a drain box 32 is arranged below the second conveyor belt 3. When the lifting disc 75 provided with the wear-resistant valve 1 is conveyed on the second conveyor belt 3, water can fall into the drainage box 32 from the drainage hole 31, so that the phenomenon that a large amount of water drops on the ground at the detection site can be reduced.

The implementation principle of the valve detection device in the embodiment of the application is as follows: one tester continuously places the hoisting disc 75 at the end of the first conveyor belt 2 away from the pressure test pool 4, lifts the wear-resistant valve 1 which is not subjected to the tightness test, and then lifts the wear-resistant valve 1 onto the hoisting disc 75. The hoisting disc 75 is displaced to the lower part of the sliding rod 62 along with the conveying of the first conveying belt 2, the first conveying belt 2 stops conveying, and a detector positioned on the side of the pressure test pool 4 communicates and fixes the air conveying pipe of the air compressor and one end of the wear-resistant valve 1 on the hoisting disc 75

Then, the hook of the hoisting rope 73 is hung on the hanging ring 751, the telescopic cylinder 71 is started, and the hoisting disc 75 is lifted to make the hoisting disc 75 be separated from the contact with the first conveyor belt 2. Subsequently, the transmission motor 64 is started, the transmission chain 61 drives the lantern ring 63 to slide towards one side of the second transmission belt 3, and when the hoisting disc 75 is displaced to the upper side of the pressure test water tank 4, the telescopic cylinder 71 is started to hoist the hoisting disc 75 into the pressure test water tank 4 until the valve seat 12 of the wear-resistant valve 1 is immersed.

And then starting the air compressor, introducing compressed air into the wear-resistant valve 1, and observing whether continuous bubbles are generated in the pressure test water tank 4, wherein if no obvious continuous bubbles exist, the sealing performance of the wear-resistant valve 1 is better. After the test is finished, the telescopic cylinder 71 is started to hoist the hoisting disc 75 to a position higher than the second conveyor belt 3. Subsequently, the transmission motor 64 is started, the transmission chain 61 transmits the lantern ring 63 to the position above the second conveyor belt 3, the gas transmission pipe is detached by the detection personnel, and the hoisting disc 75 hoisted to the position above the second conveyor belt 3 is placed on the second conveyor belt 3 by the telescopic cylinder 71. The detection personnel take down the hook hung on the hoisting disc 75, the second conveyor belt 3 conveys away the hoisting disc 75 and the wear-resistant valve 1 placed on the hoisting disc 75, and the detection personnel at one end of the second conveyor belt 3 far away from the pressure test water tank 4 hoists away the wear-resistant valve 1 and recovers the hoisting disc 75.

If unqualified wear-resisting valve 1 of pressure testing appears in the pressure testing in-process, the pressure testing personnel who is located 4 limits of pressure testing pond can paste unqualified label on wear-resisting valve 1, and the detection personnel who is located the one end that second conveyer belt 3 kept away from pressure testing pond 4 distinguishes and retrieves of being convenient for.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a wear-resisting valve detection device which characterized in that: including pressure testing pond (4) and hoist and mount component, the hoist and mount component includes frame (5), hoist and mount slide rail (6) and hoist and mount connecting piece (7), install on frame (5) and erect in pressure testing pond (4) top hoist and mount slide rail (6), in hoist and mount connecting piece (7) hoist and mount wear-resisting valve (1) got into pressure testing pond (4), compressed gas is let in to the one end of wear-resisting valve (1).

2. A wear valve detection device as claimed in claim 1, wherein: the hoisting connecting piece (7) comprises a telescopic rod, a plurality of hoisting ropes (73) and a hoisting disc (75), one end of the telescopic rod is connected with the hoisting slide rail (6) in a sliding mode, the other end of the telescopic rod is connected with the hoisting ropes (73), the hoisting ropes (73) are connected with the hoisting disc (75), and the wear-resistant valve (1) is located on the hoisting disc (75).

3. A wear valve detection device as claimed in claim 2, wherein: and the hoisting disc (75) is provided with water filtering holes (752).

4. A wear valve detection device as claimed in claim 2, wherein: the hoisting slide rail (6) comprises a conveying chain (61), a sleeve ring (63) and two sliding rods (62), the sliding rods (62) and the conveying chain (61) are mounted on the rack (5), and the conveying chain (61) is located between the two sliding rods (62) and extends along the length direction of the sliding rods (62); the lantern ring (63) is sleeved on the peripheries of the two sliding rods (62), and the side wall of one side of the lantern ring (63) is connected with the conveying chain (61); the side wall of one side of the lantern ring (63) facing the pressure test water tank (4) is connected with one end, far away from the hoisting rope (73), of the telescopic rod.

5. A wear valve detection device in accordance with claim 4, wherein: still including being located first conveyer belt (2) and second conveyer belt (3) of pressure testing pond (4) both sides, the direction of transfer of first conveyer belt with the direction of transfer of conveying chain (61) is unanimous, hoist and mount dish (75) are located first conveyer belt (2).

6. A wear valve detection device as claimed in claim 5, wherein: the first conveyor belt (2) and the second conveyor belt (3) are formed by hinging of chain plates.

7. A wear valve detection device as claimed in claim 5, wherein: the first conveyor belt (2) is connected with a plurality of partition plates (21), and the partition plates (21) extend along the width direction of the first conveyor belt (2).

8. A wear valve detection device as claimed in claim 5, wherein: a drain hole (31) is formed in the second conveyor belt (3), and a drain box (32) is arranged below the second conveyor belt (3).