CN112763205A - Testing mechanism for in-service valve closing action of axial flow type check valve - Google Patents
Testing mechanism for in-service valve closing action of axial flow type check valve Download PDFInfo
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- CN112763205A CN112763205A CN202011558663.7A CN202011558663A CN112763205A CN 112763205 A CN112763205 A CN 112763205A CN 202011558663 A CN202011558663 A CN 202011558663A CN 112763205 A CN112763205 A CN 112763205A
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- check valve
- fixedly connected
- axial flow
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- type check
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- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 230000009471 action Effects 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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- General Physics & Mathematics (AREA)
- Check Valves (AREA)
Abstract
The invention relates to the technical field of check valves, and discloses a testing mechanism for the in-service valve closing action of an axial flow check valve, which comprises a base, wherein two symmetrically arranged supporting plates are fixedly connected to the upper end of the base, two guide pipes are connected between the two supporting plates in a sliding manner and penetrate through the supporting plates, joints are fixedly connected to the opposite ends of the two guide pipes, an axial flow check valve main body is clamped at the opposite ends of the two joints together, a testing connecting pipe is fixedly communicated with one end of each guide pipe, which is far away from the axial flow check valve main body, a top plate is fixedly connected to the upper ends of the two supporting plates together, a mounting coaming is fixedly connected to the upper end of the top plate, a moving rod is fixedly connected to each guide pipe, a channel is formed in the position of. This axial-flow type check valve closes test mechanism of valve action in service can connect the test connector at the both ends of check valve fast, and experimental efficiency is higher.
Description
Technical Field
The invention relates to the technical field of check valves, in particular to a testing mechanism for the in-service valve closing action of an axial flow type check valve.
Background
Generally, the check valve performance test which runs by means of medium force needs to install a valve to be tested on a special test bench for testing. For equipment welded and connected with the valve and the pipeline, the pipeline and the valve need to be cut and welded during maintenance every time, for a nuclear power station or some important equipment, the time of a test window is too long, the welding, nondestructive testing and testing period after the valve is reset is too complex, and the risk is higher.
In the patent of patent No. CN111649934A, an axial-flow type check valve that is used for valve on-line measuring field closes valve action test structure in labour is disclosed, the medium bearing surface of its valve clack is connected with a guide arm, the guide arm is pegged graft at the guide arm downthehole, be equipped with a test hole with guide arm hole intercommunication on the radome fairing, the position that corresponds with this test hole on the valve body is equipped with a test interface, a plurality of drainage holes have been seted up on the radome fairing simultaneously, the one end and the guide arm jogged joint in drainage hole, the other end accesss to the medium bearing surface of valve clack. The invention can conveniently and efficiently detect and test the valve closing action of the axial flow type check valve.
However, the above solution still has the following drawbacks: when the check valve is subjected to a test of valve closing action, the test joints cannot be quickly connected to the two ends of the check valve, so that the test efficiency is low.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a testing mechanism for the in-service valve closing action of an axial flow type check valve, which has the advantages of being capable of quickly connecting a testing joint at two ends of the check valve, higher in testing efficiency and the like, and solves the problem that in the existing scheme, the testing joint cannot be quickly connected at two ends of the check valve, so that the testing efficiency is lower.
(II) technical scheme
In order to achieve the purpose that the test joints can be quickly connected to the two ends of the check valve, and the test efficiency is high, the invention provides the following technical scheme: a testing mechanism for the in-service valve closing action of an axial flow type check valve comprises a base, wherein two symmetrically arranged supporting plates are fixedly connected to the upper end of the base, two guide pipes are connected between the two supporting plates in a sliding manner and penetrate through the supporting plates, connectors are fixedly connected to the opposite ends of the two guide pipes, axial flow type check valve bodies are clamped and connected to the opposite ends of the two connectors, a testing connecting pipe is fixedly communicated with one end, away from the axial flow type check valve bodies, of each guide pipe, a top plate is fixedly connected to the upper ends of the two supporting plates, a mounting enclosing plate is fixedly connected to the upper ends of the top plate, a moving rod is fixedly connected to the guide pipes, a channel is formed in the position, corresponding to the moving rod, of the top plate, a rotating rod is rotatably connected to the vertical side walls on the two sides in the mounting enclosing plate through two bearings, the screw rod has been cup jointed to the position department that the dwang corresponds the thread bush fixedly, the screw rod passes the thread bush setting, and with thread connection between the thread bush, actuating mechanism is installed to the center department of dwang.
Preferably, actuating mechanism includes driving motor, driving motor fixed connection is in the upper end center department of roof, driving motor's output fixedly connected with worm, the fixed worm wheel that has cup jointed in center department of dwang, mesh mutually between worm wheel and the worm.
Preferably, a stabilizer bar is fixedly connected to the channel along the horizontal direction, and the stabilizer bar penetrates through the moving rod and is connected with the moving rod in a sliding manner.
Preferably, the upper end fixedly connected with protection casing of installation bounding wall, driving motor, worm wheel, worm, screw rod and thread bush all are located the installation bounding wall.
Preferably, the lower end of the base is fixedly connected with a plurality of supporting legs, and the supporting legs are distributed in a rectangular array.
Preferably, one side fixedly connected with position sleeve that the joint is close to axial flow check valve main part, position sleeve cup joints in axial flow check valve main part's corresponding position department, and with sliding connection between the axial flow check valve main part.
Preferably, the joint is kept away from the one end fixedly connected with locating lever of axial-flow type check valve main part, the locating lever is kept away from the one end of joint and is passed the backup pad setting, and with sliding connection between the backup pad.
(III) advantageous effects
Compared with the prior art, the invention provides a testing mechanism for the in-service valve closing action of an axial flow type check valve, which has the following beneficial effects:
1. this axial-flow type check valve closes test mechanism of valve action in labour, through setting up the base, a supporting plate, the pipe, connect, axial-flow type check valve main part, experimental connecting pipe, the roof, the installation bounding wall, the carriage release lever, the passageway, the thread bush, dwang and screw rod, when needs connect two fast switch-ons when the both ends of axial-flow type check valve main part, put axial-flow type check valve main part in the middle department that two connect, then drive the dwang through actuating mechanism and rotate, the dwang drives two screw rods above it and rotates, under the effect of screw thread, the thread bush drives the carriage release lever and removes, the carriage release lever can drive the joint and remove, and then can be fast with connecting the switch-on at the both ends.
2. This axial-flow type check valve closes test mechanism of valve action in labour, through setting up driving motor, worm and worm wheel, when needs drive the dwang through driving mechanism and rotate, start driving motor, driving motor drives the worm and rotates, and worm wheel mesh mutually, and then have driven the worm wheel and have rotated, and the worm wheel can drive the dwang and rotate.
Drawings
FIG. 1 is a schematic front view of a testing mechanism for in-service valve closing action of an axial flow check valve according to the present invention;
FIG. 2 is a schematic view of a front view structure of a testing mechanism for the valve closing action of an axial flow check valve in service according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is an enlarged view of a portion B in fig. 2.
In the figure: the test device comprises a base 1, a support plate 2, a guide tube 3, a joint 4, an axial flow type check valve main body 5, a test connecting tube 6, a top plate 7, an installation enclosing plate 8, a moving rod 9, a channel 10, a threaded sleeve 11, a rotating rod 12, a screw rod 13, a driving motor 14, a worm 15, a worm wheel 16, a stabilizer bar 17, a protective cover 18, a support leg 19, a positioning sleeve 20 and a positioning rod 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a testing mechanism for valve closing action of an axial flow check valve in service comprises a base 1, two symmetrically arranged support plates 2 are fixedly connected to the upper end of the base 1, two guide tubes 3 are slidably connected between the two support plates 2, the two guide tubes 3 are arranged through the support plates 2, connectors 4 are fixedly connected to the opposite ends of the two guide tubes 3, axial flow check valve bodies 5 are jointly clamped to the opposite ends of the two connectors 4, a testing connecting tube 6 is fixedly communicated with one end of each guide tube 3 away from the axial flow check valve body 5, a top plate 7 is fixedly connected to the upper ends of the two support plates 2, a mounting baffle plate 8 is fixedly connected to the upper end of the top plate 7, a moving rod 9 is fixedly connected to each guide tube 3, a passage 10 is formed in the position of the top plate 7 corresponding to the moving rod 9, the upper end of the moving rod 9, install and rotate jointly through two bearings on the vertical lateral wall of both sides in the bounding wall 8 and be connected with dwang 12, dwang 12 corresponds the fixed screw rod 13 that has cup jointed in position department of thread bush 11, screw rod 13 passes the setting of thread bush 11, and with thread connection between the thread bush 11, the center department of dwang 12 installs actuating mechanism, when needs connect two 4 fast switch-ons at the both ends of axial-flow type check valve main part 5, put axial-flow type check valve main part 5 in the middle of two joints 4 department, then drive dwang 12 through actuating mechanism and rotate, dwang 12 drives two screw rods 13 above that and rotates, under the effect of screw thread, thread bush 11 drives movable rod 9 and removes, movable rod 9 can drive joint 4 and remove, and then can be fast with connecting 4 switch-ons at the both ends of axial-flow type check valve main part 5.
Actuating mechanism includes driving motor 14, driving motor 14 fixed connection is in the upper end center department of roof 7, driving motor 14's output fixedly connected with worm 15, the fixed cover of center department of dwang 12 has connect worm wheel 16, mesh mutually between worm wheel 16 and the worm 15, when needs drive dwang 12 through actuating mechanism rotate, start driving motor 14, driving motor 14 drives worm 15 and rotates, worm 15 and worm wheel 16 mesh mutually, and then driven worm wheel 16 and rotated, worm wheel 16 can drive dwang 12 and rotate.
A stabilizing rod 17 is fixedly connected in the channel 10 along the horizontal direction, the stabilizing rod 17 penetrates through the moving rod 9 and is connected with the moving rod 9 in a sliding manner, so that the moving rod 9 is more stable and reliable in the moving process.
The upper end of the mounting enclosing plate 8 is fixedly connected with a protective cover 18, and the driving motor 14, the worm wheel 16, the worm 15, the screw 13 and the threaded sleeve 11 are all positioned in the mounting enclosing plate 8, so that the driving motor 14, the worm wheel 16, the worm 15, the screw 13 and the threaded sleeve 11 are well protected.
The lower extreme fixedly connected with a plurality of supporting legs 19 of base 1, a plurality of supporting legs 19 are the distribution of rectangle array and set up, have played the effect of support to whole device.
Connect one side fixedly connected with position sleeve 20 that 4 is close to axial flow check valve main part 5, position sleeve 20 cup joints in axial flow check valve main part 5's corresponding position department, and with sliding connection between the axial flow check valve main part 5, be convenient for fix a position axial flow check valve main part 5.
The one end fixedly connected with locating lever 21 that axial-flow check valve main part 5 was kept away from to joint 4, and the locating lever 21 is kept away from the one end of joint 4 and is passed the backup pad 2 setting, and with sliding connection between the backup pad 2 for joint 4 is reliable and stable more at the in-process that removes.
In summary, in the testing mechanism for the in-service valve closing action of the axial flow type check valve, when the two joints 4 need to be quickly connected to the two ends of the axial flow type check valve main body 5, the axial flow type check valve main body 5 is placed in the middle of the two joints 4, then the rotating rod 12 is driven to rotate by the driving mechanism, the rotating rod 12 drives the two screw rods 13 thereon to rotate, under the action of the screw thread, the screw thread sleeve 11 drives the movable rod 9 to move, the movable rod 9 can drive the joint 4 to move, and then the joint 4 can be quickly connected with the two ends of the axial flow type check valve main body 5, when the rotating rod 12 is required to be driven by the driving mechanism to rotate, the driving motor 14 is started, the driving motor 14 drives the worm 15 to rotate, the worm 15 is meshed with the worm wheel 16, thereby driving the worm wheel 16 to rotate, and the worm wheel 16 can drive the rotating rod 12 to rotate.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a test mechanism of valve action is closed in labour to axial-flow type check valve, includes base (1), its characterized in that: the upper end of the base (1) is fixedly connected with two symmetrically arranged supporting plates (2), two guide pipes (3) are connected between the two supporting plates (2) in a sliding manner, the two guide pipes (3) penetrate through the supporting plates (2) to be arranged, the opposite ends of the two guide pipes (3) are fixedly connected with joints (4), the opposite ends of the two joints (4) are jointly clamped with axial flow type check valve bodies (5), one ends, far away from the axial flow type check valve bodies (5), of the guide pipes (3) are fixedly communicated with test connecting pipes (6), the upper ends of the two supporting plates (2) are jointly and fixedly connected with a top plate (7), the upper end of the top plate (7) is fixedly connected with a mounting coaming (8), the guide pipes (3) are fixedly connected with moving rods (9), and the positions, corresponding to the moving rods (9), of the top plate (7) are, the upper end of carriage release lever (9) passes passageway (10) and sets up, and fixedly connected with thread bush (11), it is connected with dwang (12) to rotate jointly through two bearings on the vertical lateral wall of both sides in installation bounding wall (8), the fixed cover in position department that dwang (12) corresponds thread bush (11) has been cup jointed screw rod (13), screw rod (13) pass thread bush (11) and set up, and with thread bush (11) between threaded connection, the center department of dwang (12) installs actuating mechanism.
2. The testing mechanism for the in-service valve closing action of the axial flow type check valve according to claim 1, characterized in that: actuating mechanism includes driving motor (14), driving motor (14) fixed connection is located at the upper end center of roof (7), the output end fixedly connected with worm (15) of driving motor (14), the fixed worm wheel (16) that has cup jointed in center department of dwang (12), mesh mutually between worm wheel (16) and worm (15).
3. The testing mechanism for the in-service valve closing action of the axial flow type check valve according to claim 1, characterized in that: and a stabilizing rod (17) is fixedly connected in the channel (10) along the horizontal direction, and the stabilizing rod (17) penetrates through the moving rod (9) and is connected with the moving rod (9) in a sliding manner.
4. The testing mechanism for the in-service valve closing action of the axial flow type check valve according to claim 2, characterized in that: the upper end fixedly connected with protection casing (18) of installation bounding wall (8), driving motor (14), worm wheel (16), worm (15), screw rod (13) and thread bush (11) all are located installation bounding wall (8).
5. The testing mechanism for the in-service valve closing action of the axial flow type check valve according to claim 1, characterized in that: the lower extreme fixedly connected with a plurality of supporting legs (19) of base (1), a plurality of supporting legs (19) are the distribution of rectangular array and set up.
6. The testing mechanism for the in-service valve closing action of the axial flow type check valve according to claim 1, characterized in that: connect (4) one side fixedly connected with position sleeve (20) that is close to axial flow check valve main part (5), position sleeve (20) cup joint in the corresponding position department of axial flow check valve main part (5), and with sliding connection between axial flow check valve main part (5).
7. The testing mechanism for the in-service valve closing action of the axial flow type check valve according to claim 1, characterized in that: the one end fixedly connected with locating lever (21) of axial-flow check valve main part (5) is kept away from in joint (4), the one end that joint (4) were kept away from in locating lever (21) passes backup pad (2) and sets up, and with sliding connection between backup pad (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011558663.7A CN112763205A (en) | 2020-12-25 | 2020-12-25 | Testing mechanism for in-service valve closing action of axial flow type check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011558663.7A CN112763205A (en) | 2020-12-25 | 2020-12-25 | Testing mechanism for in-service valve closing action of axial flow type check valve |
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| Publication Number | Publication Date |
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| CN112763205A true CN112763205A (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011558663.7A Pending CN112763205A (en) | 2020-12-25 | 2020-12-25 | Testing mechanism for in-service valve closing action of axial flow type check valve |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR102012021464A2 (en) * | 2012-08-22 | 2014-08-05 | Claudio Deziderio | ULTRASOUND INDUSTRIAL EQUIPMENT ANALYZER AND ANALYZER SYSTEM |
| CN209745552U (en) * | 2019-04-18 | 2019-12-06 | 吉林精诚工程检测有限公司 | Improved valve experiment detection equipment |
| CN110792810A (en) * | 2019-10-30 | 2020-02-14 | 铜陵新创流体科技有限公司 | Micro-resistance slow-closing silencing check valve |
| CN210400812U (en) * | 2019-06-21 | 2020-04-24 | 上海通和船用设备有限公司 | High pressure fuel pipe assembly inspection bench |
| CN210571193U (en) * | 2019-11-15 | 2020-05-19 | 南京更佳电子科技有限公司 | Test platform for intelligent test device of safety valve sealing test |
| CN210998338U (en) * | 2019-11-15 | 2020-07-14 | 福建省通远阀门制造有限公司 | Positioning and fixing clamp for machining check valve |
| CN211553280U (en) * | 2020-03-11 | 2020-09-22 | 山东富瑞工贸有限公司 | Tool test board for check valve |
| CN211877368U (en) * | 2020-05-19 | 2020-11-06 | 安徽众锐质量检测有限公司 | Reliability tester for opening and closing of fireproof check valve of oil smoke exhaust |
-
2020
- 2020-12-25 CN CN202011558663.7A patent/CN112763205A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR102012021464A2 (en) * | 2012-08-22 | 2014-08-05 | Claudio Deziderio | ULTRASOUND INDUSTRIAL EQUIPMENT ANALYZER AND ANALYZER SYSTEM |
| CN209745552U (en) * | 2019-04-18 | 2019-12-06 | 吉林精诚工程检测有限公司 | Improved valve experiment detection equipment |
| CN210400812U (en) * | 2019-06-21 | 2020-04-24 | 上海通和船用设备有限公司 | High pressure fuel pipe assembly inspection bench |
| CN110792810A (en) * | 2019-10-30 | 2020-02-14 | 铜陵新创流体科技有限公司 | Micro-resistance slow-closing silencing check valve |
| CN210571193U (en) * | 2019-11-15 | 2020-05-19 | 南京更佳电子科技有限公司 | Test platform for intelligent test device of safety valve sealing test |
| CN210998338U (en) * | 2019-11-15 | 2020-07-14 | 福建省通远阀门制造有限公司 | Positioning and fixing clamp for machining check valve |
| CN211553280U (en) * | 2020-03-11 | 2020-09-22 | 山东富瑞工贸有限公司 | Tool test board for check valve |
| CN211877368U (en) * | 2020-05-19 | 2020-11-06 | 安徽众锐质量检测有限公司 | Reliability tester for opening and closing of fireproof check valve of oil smoke exhaust |
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