CN113458992A - Automatic clamping device that takes of valve pressure test - Google Patents
Automatic clamping device that takes of valve pressure test Download PDFInfo
- Publication number
- CN113458992A CN113458992A CN202110592211.9A CN202110592211A CN113458992A CN 113458992 A CN113458992 A CN 113458992A CN 202110592211 A CN202110592211 A CN 202110592211A CN 113458992 A CN113458992 A CN 113458992A
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- Prior art keywords
- fixedly connected
- gear
- rod
- slider
- threaded rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- 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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention relates to the technical field of valves and discloses an automatic taking and clamping device for valve pressure testing, which comprises a whole shell, wherein a second threaded rod is rotatably connected with a circular gear ring, the inner side wall of the circular gear ring is fixedly connected with a raised spiral groove, the outer side wall of the raised spiral groove is slidably connected with a slider, the rear end of the slider is provided with an arc-shaped slide groove buckle, the lower end of the slider is fixedly connected with a connecting rod, the lower end of the connecting rod is fixedly connected with a semicircular fixing head, the lower end of the semicircular fixing head is movably connected with a sealing rubber ring, and the lower end of the slider is slidably connected with a positioning bottom plate. The second threaded rod drives the circular gear circle rotatory, and the circular gear circle drives protruding helicla flute rotatory, and the spiral strip that protruding helicla flute front end was equipped with moves the slider and outwards expandes and merge inwards to carry out the centre gripping through the sealing rubber circle that semicircle fixed head lower extreme was equipped with, leak water and lead to the condition of pressure numerical value mistake when avoiding the test valve, and realized automatic fixed valve, solved manual fixed loaded down with trivial details.
Description
Technical Field
The invention relates to the technical field of valves, in particular to an automatic taking and clamping device for valve pressure testing.
Background
The valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, has the functions of diversion, cut-off, throttling, non-return, diversion or overflow pressure relief and the like, is used for controlling the fluid, is various in variety and specification from the simplest cut-off valve to various valves used in an extremely complicated automatic control system, can be used for controlling the flowing of various types of fluids such as water, steam, oil products, gas, slurry, various corrosive media, liquid metal, radioactive fluid and the like, and has the working pressure of 0.0013MPa to 1000MPa of ultrahigh pressure.
Present pressure test device, most all adopt the manual work to fix the valve and test on testing arrangement, low efficiency, it is long with time, part testing arrangement can only test the valve of a model, the inconvenient valve that detects multiple model, just need change different testing arrangement when testing the valve of other models, complex operation not only, long time spent, low efficiency, part semi-automatic valve testing arrangement, need the manual work of taking place to carry out the automatic fixation at the valve mouth during the test, low efficiency and danger, in order to avoid above drawback, now make the improvement to existing equipment.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the automatic taking and clamping device for the valve pressure test, which has the advantages of high efficiency, short time consumption, simplicity in operation, safety in operation and the like, and solves the problems of complex operation, dangerous operation, long time consumption and low efficiency of the conventional equipment.
(II) technical scheme
In order to solve the technical problems, the invention provides the following technical scheme: an automatic taking and clamping device for valve pressure test comprises a shell, wherein a motor is arranged at the lower end inside the shell, the front end of the motor is movably connected with a first gear, the first gear is rotatably connected with a first threaded rod, the first threaded rod is fixedly connected with a shaft rod, the upper end of the shaft rod is fixedly connected with a second threaded rod, the second threaded rod is rotatably connected with a circular gear ring, the inner side wall of the circular gear ring is fixedly connected with a convex spiral groove, the outer side wall of the convex spiral groove is slidably connected with a slider, the rear end of the slider is provided with an arc-shaped spiral groove buckle, the lower end of the slider is fixedly connected with a connecting rod, the lower end of the connecting rod is fixedly connected with a semicircular fixing head, the lower end of the semicircular fixing head is movably connected with a sealing rubber ring, the lower end of the slider is slidably connected with a positioning bottom plate, the front end of the first gear is fixedly connected with a semicircular hollowed gear, the hollowed semicircular gear is rotatably connected with a pulling clamp plate, pulling splint upper end is rotated to connect and is dragged the pole, it promotes the rounding block to drag pole left end fixedly connected with, promote rounding block left end fixedly connected with crotch pole, crotch pole upper end fixedly connected with connecting rod, connecting rod right-hand member fixed connection wane, the wane lower extreme rotates connects spring torque ring, spring torque ring right-hand member lateral wall fixed connection takes the board, the board right end fixedly connected with circular telegram magnet of taking, the inside middle-end fixedly connected with telescopic link of circular telegram magnet, semicircle fretwork gear right-hand member is equipped with third threaded rod upper end fixedly connected with bevel gear, bevel gear rotates connects the third threaded rod, third gear upper end fixedly connected with carousel.
Preferably, an electrified magnet is arranged on the periphery of the turntable, so that the valve can be adsorbed conveniently.
Preferably, the outer side wall of the pushing round block is connected with a positioning round sleeve in an inserting mode, pulleys are arranged at the upper end and the lower end of the positioning round sleeve, positioning pushing of the round block is facilitated, and inconvenient horizontal sliding due to friction between the pushing round block and the surface of the positioning round sleeve is avoided.
Preferably, the upper end of the third threaded rod is fixedly connected with the shaft rod.
Preferably, the rocker middle end is movably connected with a rotating rod, so that the rotation of the lower end of the rocker is facilitated.
Preferably, the lower end of the semicircular fixing head is provided with a spring, so that the surface of the valve is prevented from being damaged due to overlarge clamping force.
Preferably, the middle end of the semicircular fixing head is provided with a water outlet head, so that the valve is favorable for water outlet testing.
(III) advantageous effects
Compared with the prior art, the invention provides an automatic taking and clamping device for valve pressure test, which has the following beneficial effects:
1. this automatic clamping device that takes of valve pressure test, drive first gear revolve through setting up the motor, first gear drives first threaded rod and rotates, first threaded rod drives the axostylus axostyle and second threaded rod is rotatory, the second threaded rod drives circular gear circle rotatory, circular gear circle drives protruding helicla flute rotatory, the spiral strip that protruding helicla flute front end was equipped with moves the slider outwards expandes and merges inwards, thereby carry out the centre gripping through the sealing rubber circle that semicircle fixed head lower extreme was equipped with, the condition that water leakage leads to pressure numerical value mistake when avoiding testing the valve, and automatic fixed valve has been realized, manual fixed loaded down with trivial details have been solved, and the operation is simple, short time.
2. The automatic taking and clamping device for the valve pressure test drives the semicircular hollowed gears to rotate by arranging the first gear, the semicircular hollowed gears intermittently drive the second gear to rotate, the second gear drives the shaft rod to rotate, the shaft rod drives the pulling clamp plate to rotate, the pulling clamp plate drives the pulling rod to rotate, so that the pulling rod penetrates through a gap between the pulling clamp plates when rotating, the condition that the pulling rod is blocked when rotating is avoided, the pulling rod rotates to drive the pushing round block to slide left and right in the positioning round sleeve so as to drive the hook rod to move left and right, the hook rod drives the connecting rod to move left and right, the connecting rod drives the lower end of the rocker to lift right, and when the taking plate is driven to take the valve, the taking plate is driven to be in a stretched state by the gravity of the valve, so that a spring arranged in the spring torsion ring is driven to be twisted right, the taking plate is driven to be in a fast recovery state when the valve is separated, the valve is adsorbed by electrifying the magnet when the taking plate is in contact with the valve, the condition that avoids the valve to drop to deliver to semicircle fixed head lower extreme with the valve, promote the effect that carries out automatic centre gripping valve to semicircle fixed head lower extreme through the telescopic link, drive the third threaded rod through semicircle fretwork gear intermittent type, the third threaded rod drives bevel gear rotatory, bevel gear drives the third gear rotatory, and the third gear drives the carousel rotatory, thereby carries out the different valve of rotatory change and inspects, and is efficient, the operation safety.
Drawings
FIG. 1 is a schematic plan sectional view of the present invention.
FIG. 2 is a schematic view of the planar structure of the spiral groove of the protrusion and the slider according to the present invention.
FIG. 3 is a schematic plan sectional view of the semi-circular hollow gear and the pushing round block of the present invention.
In the figure: 1. the shell is integral; 2. a motor; 3. a first gear; 4. a first threaded rod; 5. a shaft lever; 6. a second threaded rod; 7. a circular gear ring; 8. a raised spiral groove; 9. a slider; 10. an arc-shaped chute buckle; 11. a connecting rod; 12. a semicircular fixing head; 13. sealing the rubber ring; 14. positioning the bottom plate; 15. a semi-circular hollow gear; 16. a second gear; 17. pulling the clamping plate; 18. a pulling rod; 19. pushing the round block; 20. a hook rod; 21. a connecting rod; 22. a seesaw; 23. a spring torsion ring; 24. taking the plate; 25. energizing a magnet; 26. a telescopic rod; 27. a third threaded rod; 28. a bevel gear; 29. a third gear; 30. a turntable.
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. 1-3, an automatic taking and clamping device for valve pressure testing comprises a housing body 1, wherein a motor 2 is arranged at the lower end inside the housing body 1, the front end of the motor 2 is movably connected with a first gear 3, the first gear 3 is rotatably connected with a first threaded rod 4, the first threaded rod 4 is fixedly connected with a shaft rod 5, the upper end of the shaft rod 5 is fixedly connected with a second threaded rod 6, the second threaded rod 6 is rotatably connected with a circular gear ring 7, the inner side wall of the circular gear ring 7 is fixedly connected with a convex spiral groove 8, the outer side wall of the convex spiral groove 8 is slidably connected with a slider 9, the rear end of the slider 9 is provided with an arc-shaped chute buckle 10, the lower end of the slider 9 is fixedly connected with a connecting rod 11, the lower end of the connecting rod 11 is fixedly connected with a semicircular fixing head 12, the lower end of the semicircular fixing head 12 is movably connected with a sealing rubber ring 13, and the lower end of the slider 9 is slidably connected with a positioning bottom plate 14, the lower end of the semicircular fixing head 12 is provided with a spring, so that the surface of the valve is prevented from being damaged due to excessive clamping force.
The front end of the first gear 3 is fixedly connected with a semicircular hollowed gear 15, the semicircular hollowed gear 15 is rotatably connected with the middle end of the second gear 16 and is fixedly connected with a pulling clamp plate 17, the upper end of the pulling clamp plate 17 is rotatably connected with a pulling rod 18, the left end of the pulling rod 18 is fixedly connected with a pushing round block 19, the left end of the pushing round block 19 is fixedly connected with a hook rod 20, the upper end of the hook rod 20 is fixedly connected with a connecting rod 21, the right end of the connecting rod 21 is fixedly connected with a wane 22, the lower end of the wane 22 is rotatably connected with a spring torsion ring 23, the outer side wall of the right end of the spring torsion ring 23 is fixedly connected with a taking plate 24, the right end of the taking plate 24 is fixedly connected with a powered magnet 25, the middle end inside the powered magnet 25 is fixedly connected with a telescopic rod 26, the right end of the hollowed gear 15 is provided with a third threaded rod 27, the bevel gear 28 is rotatably connected with the third threaded rod 27, and the turntable 30 is fixedly connected with the upper end of the third gear 29, the lateral wall of the pushing round block 19 is connected with a positioning round sleeve in an inserting mode, pulleys are arranged at the upper end and the lower end of the positioning round sleeve, positioning pushing of the round block 19 is facilitated, and inconvenient horizontal sliding due to friction between the pushing round block 19 and the surface of the positioning round sleeve is avoided.
The working principle is as follows: drive first gear 3 through motor 2 and rotate, first gear 3 drives first threaded rod 4 and rotates, first threaded rod 4 drives axostylus axostyle 5 and second threaded rod 6 is rotatory, second threaded rod 6 drives circular gear circle 7 and rotates, circular gear circle 7 drives protruding helicla flute 8 rotatory, the spiral strip that protruding helicla flute 8 front end was equipped with moves slider 9 and outwards expandes and merges inwards, thereby sealed rubber circle 13 that is equipped with through semicircle fixed head 12 lower extreme carries out the centre gripping, the condition of leaking water and leading to pressure numerical value mistake when avoiding test valve, and automatic fixed valve has been realized, manual fixed loaded down with trivial details have been solved, the operation is simple, short time.
The first gear 3 drives the semi-circular hollow gear 15 to rotate, the semi-circular hollow gear 15 intermittently drives the second gear 16 to rotate, the second gear 16 drives the shaft lever 5 to rotate, the shaft lever 5 drives the pulling clamp plate 17 to rotate, the pulling clamp plate 17 drives the pulling rod 18 to rotate, so that the pulling rod 18 penetrates through gaps formed among the pulling clamp plates 17 when rotating, the situation that the pulling rod 18 is blocked when rotating is avoided, the pulling rod 18 rotates to drive the pushing round block 19 to slide left and right in the positioning round sleeve, the bending rod 20 is driven to move left and right, the bending rod 20 drives the connecting rod 21 to move left and right, the connecting rod 21 drives the lower end of the wane 22 to lift right, and drives the taking plate 24 to take the valve, the taking plate 24 is driven to be in a state of straightening by the gravity of the valve, the spring arranged in the spring torsion ring 23 is driven to twist right, and the taking plate 24 is driven to rapidly recover to a bending state when the valve is separated, adsorb the valve through circular telegram magnet 25 when the board 24 contact valve of taking, avoid the condition that the valve dropped, and deliver to semicircle fixed head 12 lower extreme with the valve, promote the effect of carrying out automatic centre gripping valve to semicircle fixed head 12 lower extreme through telescopic link 26, drive third threaded rod 27 through semicircle fretwork gear 15 intermittent type, third threaded rod 27 drives bevel gear 28 rotatory, bevel gear 28 drives third gear 29 rotatory, third gear 29 drives carousel 30 rotatory, thereby carry out the different valves of rotatory change and examine, high efficiency, operation safety.
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 an automatic clamping device that takes of valve pressure test, includes that the shell is whole (1), its characterized in that: the lower end in the shell (1) is provided with a motor (2), the front end of the motor (2) is movably connected with a first gear (3), the first gear (3) is rotatably connected with a first threaded rod (4), the first threaded rod (4) is fixedly connected with a shaft rod (5), the upper end of the shaft rod (5) is fixedly connected with a second threaded rod (6), the second threaded rod (6) is rotatably connected with a circular gear ring (7), the inner side wall of the circular gear ring (7) is fixedly connected with a raised spiral groove (8), the outer side wall of the raised spiral groove (8) is slidably connected with a slider (9), the rear end of the slider (9) is provided with an arc-shaped slide groove buckle (10), the lower end of the slider (9) is fixedly connected with a connecting rod (11), the lower end of the connecting rod (11) is fixedly connected with a semicircular fixing head (12), the lower end of the semicircular fixing head (12) is movably connected with a sealing rubber ring (13), the lower end of the slider (9) is slidably connected with a positioning bottom plate (14), the front end of the first gear (3) is fixedly connected with a semicircular hollowed gear (15), the semicircular hollowed gear (15) is rotatably connected with the middle end of the second gear (16) and is fixedly connected with a pulling clamp plate (17), the upper end of the pulling clamp plate (17) is rotatably connected with a pulling rod (18), the left end of the pulling rod (18) is fixedly connected with a pushing round block (19), the left end of the pushing round block (19) is fixedly connected with a hook rod (20), the upper end of the hook rod (20) is fixedly connected with a connecting rod (21), the right end of the connecting rod (21) is fixedly connected with a wane (22), the lower end of the wane (22) is rotatably connected with a spring torsion ring (23), the outer side wall of the right end of the spring torsion ring (23) is fixedly connected with a taking plate (24), the right end of the taking plate (24) is fixedly connected with an electrified magnet (25), the middle end inside the electrified magnet (25) is fixedly connected with a telescopic rod (26), the right end of the semicircular hollowed gear (15) is provided with a third threaded rod (27), the upper end of the hollowed gear (15) is fixedly connected with a bevel gear (28), the bevel gear (28) is rotationally connected with a third threaded rod (27), and the upper end of the third gear (29) is fixedly connected with a turntable (30).
2. The automatic taking and clamping device for the valve pressure test according to claim 1, wherein: and an electrified magnet (25) is arranged on the periphery of the turntable (30) in a circle.
3. The automatic taking and clamping device for the valve pressure test according to claim 1, wherein: the outer side wall of the pushing round block (19) is connected with a positioning round sleeve in an inserting mode, and pulleys are arranged at the upper end and the lower end of the positioning round sleeve.
4. The automatic taking and clamping device for the valve pressure test according to claim 1, wherein: the upper end of the third threaded rod (27) is fixedly connected with the shaft lever (5).
5. The automatic taking and clamping device for the valve pressure test according to claim 1, wherein: the middle end of the wane (22) is movably connected with a rotating rod.
6. The automatic taking and clamping device for the valve pressure test according to claim 1, wherein: the lower end of the semicircular fixing head (12) is provided with a spring.
7. The automatic taking and clamping device for the valve pressure test according to claim 1, wherein: the middle end of the semicircular fixing head (12) is provided with a water outlet head.
Priority Applications (1)
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CN202110592211.9A CN113458992A (en) | 2021-05-28 | 2021-05-28 | Automatic clamping device that takes of valve pressure test |
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CN202110592211.9A CN113458992A (en) | 2021-05-28 | 2021-05-28 | Automatic clamping device that takes of valve pressure test |
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CN202110592211.9A Pending CN113458992A (en) | 2021-05-28 | 2021-05-28 | Automatic clamping device that takes of valve pressure test |
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN207142399U (en) * | 2017-08-22 | 2018-03-27 | 安徽华驰塑业有限公司 | A kind of wrap-up for plastic shopping bag production |
CN108732018A (en) * | 2018-08-16 | 2018-11-02 | 湖南联智桥隧技术有限公司 | A kind of pressure test equipment |
CN109094040A (en) * | 2018-07-27 | 2018-12-28 | 潘雲生 | A kind of sheet material attachment device with suction unit |
CN210879354U (en) * | 2019-10-23 | 2020-06-30 | 沈阳迈瑞腾科技有限公司 | Butterfly valve comprehensive flow test table clamp |
KR102147731B1 (en) * | 2020-07-01 | 2020-08-25 | 주식회사 휴텍엔지니어링 | Multi-functional test device for temperature control valve |
CN111960364A (en) * | 2020-08-26 | 2020-11-20 | 杭州霁雩科技有限公司 | Device for filling toner based on cosmetics production is special |
CN212044338U (en) * | 2020-04-13 | 2020-12-01 | 苏州市凯惠铁路机电有限公司 | Safety valve pressure switch test bed |
CN112192276A (en) * | 2020-10-15 | 2021-01-08 | 盐城丝路信息科技服务有限公司 | High-precision drilling device for sheet material for computer production |
CN212861058U (en) * | 2020-08-05 | 2021-04-02 | 安徽商贸职业技术学院 | Locking new energy automobile battery clamping device that moves |
CN213259360U (en) * | 2020-09-29 | 2021-05-25 | 大连盈泰能源有限公司 | Multifunctional gear box maintenance device |
-
2021
- 2021-05-28 CN CN202110592211.9A patent/CN113458992A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN207142399U (en) * | 2017-08-22 | 2018-03-27 | 安徽华驰塑业有限公司 | A kind of wrap-up for plastic shopping bag production |
CN109094040A (en) * | 2018-07-27 | 2018-12-28 | 潘雲生 | A kind of sheet material attachment device with suction unit |
CN108732018A (en) * | 2018-08-16 | 2018-11-02 | 湖南联智桥隧技术有限公司 | A kind of pressure test equipment |
CN210879354U (en) * | 2019-10-23 | 2020-06-30 | 沈阳迈瑞腾科技有限公司 | Butterfly valve comprehensive flow test table clamp |
CN212044338U (en) * | 2020-04-13 | 2020-12-01 | 苏州市凯惠铁路机电有限公司 | Safety valve pressure switch test bed |
KR102147731B1 (en) * | 2020-07-01 | 2020-08-25 | 주식회사 휴텍엔지니어링 | Multi-functional test device for temperature control valve |
CN212861058U (en) * | 2020-08-05 | 2021-04-02 | 安徽商贸职业技术学院 | Locking new energy automobile battery clamping device that moves |
CN111960364A (en) * | 2020-08-26 | 2020-11-20 | 杭州霁雩科技有限公司 | Device for filling toner based on cosmetics production is special |
CN213259360U (en) * | 2020-09-29 | 2021-05-25 | 大连盈泰能源有限公司 | Multifunctional gear box maintenance device |
CN112192276A (en) * | 2020-10-15 | 2021-01-08 | 盐城丝路信息科技服务有限公司 | High-precision drilling device for sheet material for computer production |
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Application publication date: 20211001 |