CN110907102A - Valve detection device - Google Patents
Valve detection device Download PDFInfo
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- CN110907102A CN110907102A CN201911371721.2A CN201911371721A CN110907102A CN 110907102 A CN110907102 A CN 110907102A CN 201911371721 A CN201911371721 A CN 201911371721A CN 110907102 A CN110907102 A CN 110907102A
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- upper locking
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- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 22
- ULEBESPCVWBNIF-BYPYZUCNSA-N L-arginine amide Chemical compound NC(=O)[C@@H](N)CCCNC(N)=N ULEBESPCVWBNIF-BYPYZUCNSA-N 0.000 claims 5
- 239000007788 liquid Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/086—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for valves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/30—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds using progressive displacement of one fluid by another
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The application provides a valve detection device, which comprises a machine body, a plurality of indicating meters, a plurality of manual valves and at least one testing device, wherein the testing device comprises a driving cylinder, an upper locking device and a lower locking device, the driving cylinder is fixedly arranged in a water tank of the machine body, the upper locking device does lifting and swinging motion under the action of the driving cylinder, the upper locking device is connected with one end of a valve body in a sealing and locking manner, the lower locking device is connected with the other end of the valve body in a sealing and locking manner, a pair of high-pressure waterproof electromagnetic valves are arranged on the upper locking device, the inlet of one high-pressure waterproof electromagnetic valve is communicated with an air compressor through an air pipe, the inlet of the other high-pressure waterproof electromagnetic valve is communicated with a high-pressure water pump, and the; the inlet of a high-pressure waterproof electromagnetic valve positioned on the lower locking device is communicated with the valve cavity of the valve body. The application provides a valve detection device can be used for valve gas tightness to detect, can be used for high-pressure liquid leakproofness to detect again, convenient to use.
Description
Technical Field
The invention relates to the field of valve testing, in particular to a valve detection device.
Background
Before the valve leaves factory, an air tightness test is usually required to detect whether a valve body of the valve is defective or not and whether the sealing of a valve rod is reliable or not, an inlet and an outlet of the valve are sealed after the cavity of the valve is inflated, whether the air tightness of the valve is qualified or not can be judged by observing pressure drop, the valve is simple and quick, but an air leakage point cannot be quickly judged, a submerged type can also be adopted, whether the air tightness of the valve is qualified or not can be intuitively judged by utilizing a bubble method, meanwhile, the air leakage point of the valve can be effectively determined through the position of a bubble, the inflated valve can be directly placed into a water tank and then fished out after the detection is finished, but a plurality of inconveniences exist during manual operation, the valve can also be vertically lifted and sunk into the water or returned to the water surface by utilizing a lifting device, the volume is increased, a waterproof type lifting device is required to be used, because the existing valve air tightness test bed can only be used for air tightness detection, special equipment is required to be used when the valve needs to be subjected to high-pressure liquid sealing detection, time is wasted, and equipment cost is increased.
Disclosure of Invention
Aiming at the defects in the background technology, the invention aims to provide the valve detection device which can directly detect the leakage point of the valve by using a bubble method, can also directly perform high-pressure liquid sealing detection, is clamped once and is convenient to use.
In order to solve the technical problems, the invention provides the following technical scheme:
a valve detection device comprises a machine body, a plurality of indicating meters, a plurality of manual valves and at least one testing device, the testing device comprises a driving cylinder, an upper locking device and a lower locking device, the driving cylinder is fixedly arranged in a water tank of the machine body, one end of the upper locking device is pivoted on the front end of the telescopic rod of the driving cylinder, the other end of the upper locking device is arranged on the side wall of the water tank of the machine body in a lifting way, the upper locking device is connected with one end of the valve body in a sealing and locking way, the lower locking device is connected with the other end of the valve body in a sealing and locking way, the upper locking device is provided with a pair of high-pressure waterproof electromagnetic valves, the inlet of one high-pressure waterproof electromagnetic valve is communicated with the air compressor through an air pipe, the inlet of the other high-pressure waterproof electromagnetic valve is communicated with the high-pressure water pump, and the outlet of the high-pressure waterproof electromagnetic valve is communicated with the valve cavity of the valve body; and an inlet of a high-pressure waterproof electromagnetic valve positioned on the lower locking device is communicated with the valve cavity of the valve body.
The driving cylinder enables the valve body to do lifting and swinging motion, and underwater air tightness detection and valve body high-pressure sealing detection can be performed.
Further, go up locking device with locking device all still includes mount pad, sun gear, three planetary gear, actuating lever, three jack catch and sealing washer down, sun gear, the equal pin joint of three planetary gear are in the installation intracavity of mount pad, planetary gear is located sun gear's outer lane, just planetary gear with sun gear meshes, actuating lever threaded connection is in on the mount pad, and be located hexagonal prism on the front end of actuating lever with sun gear's interior hexagonal hole sliding fit connects, the jack catch with planetary gear's the coaxial fixed connection of rotation axis, the sealing washer is fixed to be set up on the terminal surface of mount pad, the jack catch make the terminal surface of valve body with the sealing washer closely laminates.
Furthermore, the jack catch includes L arm and arc lug, the first arm of L arm with the coaxial fixed connection of planetary gear's rotation axis, the arc lug is fixed to be set up on the medial surface of the second arm of L arm, the arc lug can keep out on the back of the ring flange of valve body.
Furthermore, the sealing ring comprises a sealing body and a pair of supporting bodies, wherein an annular concave cavity is formed in the inner side surface of the sealing body, and the pair of supporting bodies are symmetrically embedded in the annular concave cavity along the axis of the sealing body.
Furthermore, the section of the supporting body is arc-shaped, and the outer arc surface of the supporting body is fixedly connected with the inner wall of the annular concave cavity.
Furthermore, an inner annular groove and an outer annular groove are formed in both end faces of the sealing body, an annular protrusion is formed between the inner annular groove and the outer annular groove, the top of the supporting body acts on the annular protrusion, and the top of the annular protrusion is lower than the end face of the sealing body.
Furthermore, two circumferential annular grooves are formed in the outer circumferential surface of the sealing body, and an annular outer flange is formed between each circumferential annular groove and the corresponding outer annular groove.
Furthermore, annular inner flanges extending inwards are arranged on the inner walls of the two ends of the sealing body.
Furthermore, go up locking device still includes the connecting block, connecting block fixed connection be in on the mount pad, the front end pivot of the telescopic link of driving actuating cylinder is located in the mounting groove on the upper end of mount pad, fixed the setting is in protruding axle on the connecting block both sides with be located vertical bar groove sliding connection on the lateral wall of water tank.
Furthermore, the upper locking device and the lower locking device both comprise a limiting cylinder fixedly arranged on the mounting seat, the limiting cylinder and the sealing ring are positioned on the same end face, and the limiting cylinder and the sealing ring are coaxially arranged.
According to the technical scheme, the invention has the following beneficial effects: the valve leak source can be directly detected by a bubble method, high-pressure liquid can be directly detected in a sealing mode, and the valve leak source is convenient to use and capable of being clamped at one time.
The invention is described in further detail below with reference to the figures and the detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram of a testing apparatus according to the present invention.
FIG. 3 is a schematic view of another state of the testing device of the present invention.
FIG. 4 is a schematic structural diagram of an upper locking device of the testing apparatus of the present invention.
FIG. 5 is a schematic structural diagram of a lower locking device of the testing device of the present invention.
Fig. 6 is a schematic view of the mounting of the jaws of the test device of the present invention.
Fig. 7 is a schematic structural diagram of a seal ring of the testing device of the present invention.
Fig. 8 is a schematic structural view of a seal body of a seal ring of the test apparatus according to the present invention.
Description of reference numerals: the high-pressure water-proof valve comprises a machine body 1, a panel 11, a water tank 12, an observation window 121, a strip-shaped groove 122, an indicating meter 3, a manual valve 4, a testing device 5, a driving cylinder 51, an upper locking device 52, a mounting seat 521, a mounting cavity 5211, an inclined hole 5212, a joint 5213, a limiting cylinder 5214, a central gear 522, an inner hexagonal hole 5221, a planetary gear 523, a driving rod 524, a clamping jaw 525, an L arm 5251, an arc-shaped lug 5252, a sealing ring 526, a sealing body 5261, a supporting body 5262, an annular concave cavity 5263, an inner annular groove 5264, an outer annular groove 5265, a peripheral annular groove 5266, an annular protrusion 5267, an annular 5268, an annular inner flange 5269, a connecting block 527, a convex shaft 5271, a mounting groove 5272, a lower locking device 53, an air pipe 6, a water.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1 to 8, the present application is further described, for example, the valve detecting device shown in fig. 1 includes a body 1, a plurality of indicators 3, a plurality of manual valves 4, and at least one testing device 5, wherein the indicators 3 and the manual valves 4 are installed on a panel 11 of the body 1, the testing device 5 is located in a water tank 12 of the body 1, the water tank 12 is provided with an observation window 121, and the observation window 121 is arranged to facilitate the omnibearing observation of the state of the valve body 100.
As shown in fig. 2, 3 and 4, the testing device 5 includes a driving cylinder 51, an upper locking device 52 and a lower locking device 53, the driving cylinder 51 is horizontally and fixedly arranged in the water tank 12 of the machine body 1, one end of the upper locking device 52 is pivoted on the front end of the telescopic rod of the driving cylinder 51, the other end of the upper locking device 52 is arranged on the side wall of the water tank 12 of the machine body 1 in a lifting way, the upper locking device 52 is connected with one end of the valve body 100 in a sealing and locking way, the lower locking device 53 is connected with the other end of the valve body 100 in a sealing and locking way, wherein, the upper locking device 52 is provided with a pair of high-pressure waterproof electromagnetic valves 8, an inlet of one high-pressure waterproof electromagnetic valve 8 is communicated with the air compressor through an air pipe 6, an inlet of the other high-pressure waterproof electromagnetic valve 8 is communicated with the high-pressure water pump, and an outlet of the high-pressure waterproof electromagnetic valve 8 is communicated with the valve cavity of the valve body 100; the inlet of a high-pressure waterproof electromagnetic valve 8 on the lower locking device 53 is communicated with the valve cavity of the valve body 100. The driving cylinder 51 makes the valve body 100 do lifting and swinging movement, when the valve body 100 sinks underwater, the underwater air tightness detection can be carried out, and when the valve body 100 is horizontal and is high in water surface, the high-pressure sealing detection can be carried out.
As shown in fig. 4, 5 and 6, each of the upper locking device 52 and the lower locking device 53 further includes a mounting seat 521, a sun gear 522, three planetary gears 523, a driving rod 524, three jaws 525 and a sealing ring 526, the sun gear 522 and the three planetary gears 523 are pivoted in a mounting cavity 5211 of the mounting seat 521, the planetary gears 523 are located on an outer ring of the sun gear 522, the planetary gears 523 are engaged with the sun gear 522, the driving rod 524 is screwed on the mounting seat 521, a hexagonal prism located at a front end of the driving rod 524 is in sliding fit connection with an inner hexagonal hole 5221 of the sun gear 522, the jaws 525 are coaxially and fixedly connected with a rotating shaft of the planetary gears 523, the sealing ring 526 is fixedly arranged on an end surface of the mounting seat 521, and in use, the driving rod 524 is screwed to move and rotate, the actuating lever 524 drives sun gear 522 is rotatory, sun gear 522 drives three planetary gear 523 and rotates simultaneously, and three planetary gear 523 makes three jack catch 525 rotatory simultaneously be used for holding tightly or relaxing the ring flange of valve body 100, jack catch 525 holds tightly valve body 100 makes the terminal surface of valve body 100 with sealing washer 526 closely laminates.
The upper locking device 52 and the lower locking device 53 further comprise a limiting cylinder 5214 fixedly arranged on the mounting seat 521, the limiting cylinder 5214 and the sealing ring 526 are located on the same end face, the limiting cylinder 5214 and the sealing ring 526 are coaxially arranged, and the limiting cylinder 5214 is in clearance fit with the periphery of a flange of the valve body 100 and used for centering the valve body 100.
The upper locking device 52 further comprises a connecting block 527, the connecting block 527 is fixedly connected to the mounting seat 521, the front end of the telescopic rod of the driving cylinder 51 is pivoted in a mounting groove 5272 located on the upper end of the mounting seat 521, and protruding shafts 5271 fixedly arranged on two sides of the connecting block 527 are slidably connected with vertical strip-shaped grooves 122 located on the side wall of the water tank 12.
A pair of inclined holes 5212 are formed in the mounting seat 521 of the upper locking device 52, the pair of inclined holes 5212 are communicated with the corresponding high-pressure waterproof electromagnetic valve 8 arranged on the mounting seat 521 of the upper locking device 52 through a connector 5213, and the inclined holes 5212 are communicated with the valve cavity of the valve body 100; an inclined hole 5212 is formed in the mounting seat 521 of the lower locking device 53, the inclined hole 5212 is communicated with a high-pressure waterproof electromagnetic valve 8 arranged on the mounting seat 521 of the lower locking device 53 through a connector 5213, and the inclined hole 5212 is communicated with a valve cavity of the valve body 100. An inclined hole 5212 communicating with the air compressor is set as a first inclined hole 5212, an inclined hole 5212 communicating with the high-pressure water pump is set as a second inclined hole 5212, and an inclined hole 5212 positioned on the lower locking device 53 is set as a third inclined hole 5212.
During the air tightness test, the high-pressure waterproof solenoid valve 8 at the second inclined hole 5212 and the high-pressure waterproof solenoid valve 8 at the third inclined hole 5212 are closed, the high-pressure waterproof solenoid valve 8 at the first inclined hole 5212 is conducted to inflate the valve body 100, when the air pressure reaches a specified value, the high-pressure waterproof solenoid valve 8 at the first inclined hole 5212 is closed, the telescopic rod of the driving cylinder 51 extends out, so that the valve body 100 is in a vertical state, meanwhile, the valve body 100 sinks into water, whether a leak point exists in the valve body 100 is observed, if no leak point exists, the high-pressure waterproof solenoid valve 8 at the second inclined hole 5212 is conducted to charge liquid in the valve body 100, air in the valve body 100 sequentially passes through the first inclined hole 5212 and the high-pressure waterproof solenoid valve 8 at the first inclined hole 5212 to be discharged, when water is emitted, the high-pressure waterproof solenoid valve 8 at the first inclined hole 5212 is closed, the telescopic rod of the driving cylinder 51 is contracted, so that the valve body, meanwhile, the valve body 100 is located above the water surface, liquid filling and pressure boosting are continued, pressure maintaining is performed after the pressure reaches a specified value, after the pressure maintaining is performed for a certain time, whether the pressure value on the indicator 3 is reduced or not is observed to determine the high-pressure sealing performance of the valve body 100, after the detection is completed, the high-pressure waterproof electromagnetic valve 8 located at the third inclined hole 5212 is opened to drain water, after the water drainage is completed, the high-pressure waterproof electromagnetic valve 8 located at the first inclined hole 5212 is opened to inflate the valve body 100, water drops on the inner wall of the valve body 100 are taken away by flowing air, the valve body 100 is dried, and rusting is.
As shown in fig. 4, 5 and 6, the latch 525 includes an L-shaped arm 5251 and an arc-shaped protrusion 5252, a first arm of the L-shaped arm 5251 is coaxially and fixedly connected with the rotating shaft of the planetary gear 523, the arc-shaped protrusion 5252 is fixedly disposed on an inner side surface of a second arm of the L-shaped arm 5251, the arc-shaped protrusion 5252 can abut against a back surface of a flange of the valve body 100, and the arc-shaped protrusion 5252 is disposed to be suitable for valve bodies 100 with different thicknesses of the flange, so that the holding process is reliable.
As shown in fig. 7 and 8, the sealing ring 526 includes a sealing body 5261 and a pair of supporting bodies 5262, an annular recessed cavity 5263 is disposed on an inner side surface of the sealing body 5261, and the pair of supporting bodies 5262 are symmetrically embedded in the annular recessed cavity 5263 along an axis of the sealing body 5261, wherein a cross section of the supporting body 5262 is arc-shaped, and an outer arc surface of the supporting body 5262 is fixedly connected with an inner wall of the annular recessed cavity 5263. Gas or liquid can enter the annular cavity 5263, and when the pressure is increased, the pair of supporting bodies 5262 are pressed towards two sides under the action of the pressure, so that the two end surfaces of the sealing body 5261 are in close contact with the end surfaces of the mounting seat 521 and the valve body 100.
An inner annular groove 5264 and an outer annular groove 5265 are formed in both end surfaces of the sealing body 5261, an annular protrusion 5267 is formed between the inner annular groove 5264 and the outer annular groove 5265, the top of the supporting body 5262 acts on the annular protrusion 5267, and the top of the annular protrusion 5267 is lower than the end surface of the sealing body 5261; two circumferential annular grooves 5266 are formed in the outer circumferential surface of the sealing body 5261, and an annular outer flange 5268 is formed between each circumferential annular groove 5266 and the corresponding outer annular groove 5265; the inner walls of the two ends of the sealing body 5261 are provided with annular inner flanges 5269 extending inwards. When the sealing body 5261 is extruded, the annular outer flange 5268 slides and expands towards the outer ring, the annular inner flange 5269 slides and contracts inwards, air between the end face and the contact surface of the sealing body 5261 is extruded, the sealing effect is better, meanwhile, the annular protrusion 5267 is abutted against the contact surface, when the pressure is increased, the annular protrusion 5267 is tightly contacted with the contact surface when the supporting body 5262 is extruded, the end face sealing of the valve body 100 during testing is improved, and the detection accuracy is improved.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A valve detection device comprises a machine body (1), a plurality of indicating meters (3) and a plurality of manual valves (4), and is characterized by comprising at least one testing device (5), wherein the testing device (5) comprises a driving cylinder (51), an upper locking device (52) and a lower locking device (53), the driving cylinder (51) is fixedly arranged in a water tank (12) of the machine body (1), one end of the upper locking device (52) is pivoted on the front end of a telescopic rod of the driving cylinder (51), the other end of the upper locking device (52) is arranged on the side wall of the water tank (12) of the machine body (1) in a lifting mode, the upper locking device (52) is connected with one end of a valve body (100) in a sealing and locking mode, the lower locking device (53) is connected to the other end of the valve body (100) in a sealing and locking mode, a pair of high-pressure waterproof electromagnetic valves (8) is arranged on the upper locking device (52), the inlet of one high-pressure waterproof electromagnetic valve (8) is communicated with an air compressor through an air pipe (6), the inlet of the other high-pressure waterproof electromagnetic valve (8) is communicated with a high-pressure water pump, and the outlet of the high-pressure waterproof electromagnetic valve (8) is communicated with the valve cavity of the valve body (100); the inlet of a high-pressure waterproof electromagnetic valve (8) positioned on the lower locking device (53) is communicated with the valve cavity of the valve body (100).
The driving cylinder (51) enables the valve body (100) to do lifting and swinging motion, and underwater air tightness detection and high-pressure sealing detection of the valve body (100) can be performed.
2. The valve detection device according to claim 1, wherein each of the upper locking device (52) and the lower locking device (53) further comprises a mounting seat (521), a sun gear (522), three planetary gears (523), a driving rod (524), three jaws (525) and a sealing ring (526), the sun gear (522) and the three planetary gears (523) are pivoted in a mounting cavity (5211) of the mounting seat (521), the planetary gear (523) is located on an outer ring of the sun gear (522), the planetary gear (523) is meshed with the sun gear (522), the driving rod (524) is in threaded connection on the mounting seat (521), a hexagonal prism located on a front end of the driving rod (524) is in sliding fit connection with an inner hexagonal hole (5221) of the sun gear (522), and the jaws (525) are coaxially and fixedly connected with a rotating shaft of the planetary gear (523), the sealing ring (526) is fixedly arranged on the end face of the mounting seat (521), and the jaw (525) enables the end face of the valve body (100) to be tightly attached to the sealing ring (526).
3. The valve detecting device according to claim 2, wherein the latch (525) comprises an L-arm (5251) and an arc-shaped projection (5252), a first arm of the L-arm (5251) is coaxially and fixedly connected with the rotating shaft of the planetary gear (523), the arc-shaped projection (5252) is fixedly arranged on the inner side surface of a second arm of the L-arm (5251), and the arc-shaped projection (5252) can abut against the back surface of the flange of the valve body (100).
4. The valve detecting device according to claim 2, wherein the sealing ring (526) comprises a sealing body (5261) and a pair of supporting bodies (5262), an annular cavity (5263) is formed on the inner side surface of the sealing body (5261), and the pair of supporting bodies (5262) are symmetrically embedded in the annular cavity (5263) along the axis of the sealing body (5261).
5. The valve detecting device of claim 4, wherein the supporting body (5262) has an arc-shaped cross section, and an outer arc surface of the supporting body (5262) is fixedly connected with an inner wall of the annular cavity (5263).
6. The valve detecting device according to claim 5, wherein an inner annular groove (5264) and an outer annular groove (5265) are formed on both end surfaces of the sealing body (5261), an annular protrusion (5267) is formed between the inner annular groove (5264) and the outer annular groove (5265), the top of the support body (5262) acts on the annular protrusion (5267), and the top of the annular protrusion (5267) is lower than the end surface of the sealing body (5261).
7. The valve detecting device according to claim 6, wherein two circumferential annular grooves (5266) are formed on an outer circumferential surface of the sealing body (5261), and an annular outer flange (5268) is formed between the circumferential annular groove (5266) and the corresponding outer annular groove (5265).
8. The valve detecting device according to claim 6, wherein inner walls of both ends of the sealing body (5261) are provided with inwardly extending annular inner flanges (5269).
9. The valve detecting device according to claim 2, wherein the upper locking device (52) further comprises a connecting block (527), the connecting block (527) is fixedly connected to the mounting seat (521), the front end of the telescopic rod of the driving cylinder (51) is pivoted in a mounting groove (5272) located on the upper end of the mounting seat (521), and a protruding shaft (5271) fixedly arranged on two sides of the connecting block (527) is slidably connected with a vertical strip-shaped groove (122) located on the side wall of the water tank (12).
10. The valve detecting device according to claim 2, wherein the upper locking device (52) and the lower locking device (53) each further comprise a limiting cylinder (5214) fixedly arranged on the mounting seat (521), the limiting cylinder (5214) and the sealing ring (526) are positioned on the same end surface, and the limiting cylinder (5214) and the sealing ring (526) are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911371721.2A CN110907102B (en) | 2019-12-26 | 2019-12-26 | Valve detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911371721.2A CN110907102B (en) | 2019-12-26 | 2019-12-26 | Valve detection device |
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| Publication Number | Publication Date |
|---|---|
| CN110907102A true CN110907102A (en) | 2020-03-24 |
| CN110907102B CN110907102B (en) | 2021-08-03 |
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|---|---|---|---|
| CN201911371721.2A Active CN110907102B (en) | 2019-12-26 | 2019-12-26 | Valve detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289184A (en) * | 2020-04-21 | 2020-06-16 | 缙云普层泵阀科技有限公司 | Water pipe valve leakproofness water pressure detection device |
| CN114029244A (en) * | 2021-12-08 | 2022-02-11 | 淄博市特种设备检验研究院 | Continuous detection device for manufacturing pressure pipeline element |
| CN117928841A (en) * | 2024-01-26 | 2024-04-26 | 方圆阀门集团有限公司 | Valve detection device and operation method thereof |
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| CN110907102B (en) | 2021-08-03 |
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Effective date of registration: 20240116 Address after: 323000 No. 112, Dayuan Street, Shuige Industrial Park, Liandu District, Lishui City, Zhejiang Province Patentee after: Zhejiang Monda Valve Co.,Ltd. Address before: 325000 No. 1 Incubator Building, Science Park, Wenzhou National University, No. 38 Dongfangnan Road, Ouhai Economic Development Zone, Wenzhou City, Zhejiang Province Patentee before: WENZHOU VOCATIONAL & TECHNICAL College |