CN113236164B - Clamping mechanism of magnetic force trigger device and magnetic force closing simulation device of flap valve - Google Patents
Clamping mechanism of magnetic force trigger device and magnetic force closing simulation device of flap valve Download PDFInfo
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- CN113236164B CN113236164B CN202110349455.4A CN202110349455A CN113236164B CN 113236164 B CN113236164 B CN 113236164B CN 202110349455 A CN202110349455 A CN 202110349455A CN 113236164 B CN113236164 B CN 113236164B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 73
- 238000004088 simulation Methods 0.000 title claims abstract description 23
- 238000005553 drilling Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 4
- 230000001846 repelling effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 9
- 239000011435 rock Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
-
- 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
- B25B11/002—Magnetic work holders
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a clamping mechanism of a magnetic trigger device and a magnetic closure simulation device of a flap valve, comprising: the clamping device comprises a first clamping piece, a second clamping piece and a control mechanism, wherein the second clamping piece is arranged opposite to the first clamping piece, the control mechanism is used for locking the first clamping piece, and the first clamping piece is fixedly connected with the control mechanism. When an object is required to be fixed, the first clamping piece is matched with the second clamping piece, and the first clamping piece is locked by the control mechanism, so that the object to be fixed (such as a valve seat) can be firmly fixed between the first clamping part and the second clamping part. Meanwhile, the clamping mechanism is simple in structure and easy to process.
Description
Technical Field
The invention relates to the technical field of pressure-maintaining coring experiment simulation devices, in particular to a clamping mechanism of a magnetic trigger device and a flap valve magnetic closure simulation device.
Background
When the deep rock core is sampled, in order to protect the obtained in-situ rock core under the deep condition, the rock core is often required to be stored in a flap valve or a pressure maintaining ball valve of the in-situ fidelity coring device after the rock core is drilled by a drilling tool, but the existing in-situ fidelity coring device has obvious pressure maintaining effect difference under different drilling environments, taking the flap valve as an example, the flap valve is closed mainly by virtue of elasticity, and when the flap valve is in different inclined states, the condition that the flap valve cannot be normally closed exists.
In order to develop a coring and pressure maintaining device capable of adapting to different drilling states, a simulation device capable of simulating the closing process of a deep drilling coring flap valve under the action of magnetic force is often needed. However, after the flap valve is fixed by the related simulation device, the valve seat is easy to shake when the flap valve rotates, so that the magnetic valve cover in an open state cannot be opposite to the trigger magnet, and the closing of the magnetic valve cover is affected.
Thus, the prior art is still further improved.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a clamping mechanism of a magnetic force triggering device and a flap valve magnetic force closing simulation device, which aim to solve the problem of unstable valve seat fixation in the flap valve magnetic force closing simulation device.
In a first aspect, an embodiment of the present invention provides a clamping mechanism of a magnetic triggering device, including: the clamping device comprises a first clamping piece, a second clamping piece and a control mechanism, wherein the second clamping piece is arranged opposite to the first clamping piece, the control mechanism is used for locking the first clamping piece, and the first clamping piece is fixedly connected with the control mechanism.
Optionally, the clamping mechanism of the magnetic triggering device, wherein the connecting piece comprises a first rod piece and a second rod piece in threaded connection with the first rod piece; the first rod piece comprises a first connecting part used for being connected with the second crank, a second connecting part connected with the second rod piece, a first thread is arranged on the inner wall of the second connecting part, a second thread matched with the first thread is arranged on the outer surface of the second rod piece, one end of the second rod piece is detachably connected with the first clamping piece, and the other end of the second rod piece is in threaded connection with the first rod piece.
Optionally, the clamping mechanism of the magnetic triggering device further comprises: the guide assembly comprises a first guide piece and a second guide piece which are arranged in parallel, and the first clamping piece is arranged between the first guide piece and the second guide piece; the first guide piece comprises a first guide strip, the second guide piece comprises a second guide strip, and the first guide strip is opposite to the second guide strip; the first clamping piece comprises grooves respectively matched with the first guide strip and the second guide strip.
In a second aspect, a flap valve magnetic closure simulator includes: the clamping mechanism of the magnetic triggering device is described above.
Optionally, the flap valve magnetic force closing simulation device further comprises:
the workbench comprises a driving mechanism for driving the workbench to rotate;
the magnetic pressure maintaining control mechanism comprises a valve seat, a magnetic valve cover movably connected with one end of the valve seat and a first magnet for repelling the magnetic valve cover; the clamping mechanism is fixed on the workbench, the valve seat is clamped between the first clamping piece and the second clamping piece, and the first magnet is fixed on the workbench at one side of the second clamping piece;
the magnetic valve cover closing control mechanism comprises a cylinder body and lifting equipment for driving the cylinder body to lift; the lifting device and the valve seat are fixed on the same plane of the workbench; when the cylinder body is arranged in the valve seat, the magnetic valve cover is in an open state, and when the cylinder body is separated from the magnetic valve cover, the magnetic valve cover is in a closed state.
Optionally, the flap valve magnetic closure simulator, wherein the valve seat comprises: the magnetic valve cover comprises a cylinder body, a second magnet and a bottom cover, wherein the second magnet is arranged in the cylinder body and is used for attracting the magnetic valve cover; the bottom cover is detachably connected with the cylinder body, and a hole for pressure test is formed in the bottom cover.
Optionally, the flap valve magnetic force closing simulation device, wherein the magnetic valve cover comprises: the valve cover comprises a valve cover body, a connecting arm which is fixed on the valve cover body and is used for being movably connected with the opening end of the valve seat, and a valve cover permanent magnet which is fixed on the valve cover body.
Optionally, the flap valve magnetic force closing simulation device, wherein, the bottom includes the bottom body, is used for connecting the first step portion of barrel body, with the second step portion that first step portion is the ladder distribution, just the second step portion sets up first step portion deviates from the one end of barrel body.
Optionally, the flap valve magnetic force closing simulation device, wherein the flap valve magnetic force closing simulation device further comprises: and the air supply mechanism is connected with the hole through a pipeline.
The beneficial effects are that: the embodiment of the invention provides a clamping mechanism of a magnetic triggering device, which comprises a first clamping piece, a second clamping piece arranged opposite to the first clamping piece and a control mechanism for locking the first clamping piece, wherein the first clamping piece is fixedly connected with the control mechanism. When an object is required to be fixed, the first clamping piece is matched with the second clamping piece, and the first clamping piece is locked by the control mechanism, so that the object to be fixed (such as a valve seat) can be firmly fixed between the first clamping part and the second clamping part. Meanwhile, the clamping mechanism is simple in structure and easy to process.
Drawings
FIG. 1 is a perspective view of a clamping mechanism of a magnetic triggering device according to an embodiment of the present invention;
FIG. 2 is an exploded view of a clamping mechanism provided in accordance with an embodiment of the present invention;
FIG. 3 is a perspective view of a flap valve magnetic closure simulation device provided by an embodiment of the invention;
FIG. 4 is a partial block diagram of a magnetic force closing simulation device for a flap valve according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a portion of another view angle flap valve magnetic closure simulator according to an embodiment of the present invention;
FIG. 6 is an exploded view of a part of a structural diagram of a magnetic closure simulator of a flap valve provided by an embodiment of the invention;
fig. 7 is an exploded view of a valve cover and a magnetic valve seat according to an embodiment of the present invention.
Detailed Description
The invention provides a clamping mechanism of a magnetic trigger device and a flap valve magnetic closure simulation device, which are used for making the purposes, technical schemes and effects of the invention clearer and more definite, and are further described in detail below. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless expressly stated otherwise, as understood by those skilled in the art. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. The term "and/or" as used herein includes all or any element and all combination of one or more of the associated listed items.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 to 2, an embodiment of the present invention provides a clamping mechanism of a magnetic force triggering device, a first clamping member 1, a second clamping member 2 opposite to the first clamping member 1, and a control mechanism 3 for locking the first clamping member 1, where the first clamping member 1 is fixedly connected with the control mechanism 3.
In this embodiment, the second clamping member 2 and the first clamping member 1 are independent of each other, that is, the second clamping member can be fixed on a supporting member (such as a workbench described later), the first clamping member 1 and the control mechanism are fixed on the opposite side of the second clamping member 2, and in normal use, the first clamping member 1 and the second clamping member 2 are matched, and the first clamping member is locked by the control mechanism, so that an object to be fixed between the first clamping member 1 and the second clamping member 2 can be clamped and fixed.
In this embodiment, the moving handle drives the first crank assembly 302 and the second crank 303 to move, and further drives the connecting piece 305 to move.
Illustratively, when unlocking the first clamping member, the handle may be pulled outwards (outwards refers to the direction away from the second clamping member herein) to drive the first crank assembly 302 to rotate outwards around the hinge portion of the first crank assembly and the base 301, and after the first crank assembly 302 rotates to a certain angle, the second crank 303 is driven to move outwards by the first crank assembly 302, and finally the connecting member 305 is pulled to move outwards (the first clamping member 1 moves outwards due to the fixed connection of the connecting member and the first clamping member 1), so that the first clamping member 1 is separated from the second clamping member 2. It will be readily appreciated that when the first clamping member is locked, the handle may be pulled inward, so as to drive the first crank assembly 302 to rotate inward around the hinge portion thereof with the base 301, and when the first crank assembly 302 rotates to a certain angle, the second crank 303 is driven to move inward by the first crank assembly 302, and finally the connecting member 305 is pushed to move inward, and when the handle and the second crank move to the maximum stroke position, the connecting member 305 is locked, so that the locking of the first clamping member is achieved.
In one implementation manner of the present embodiment, the connecting piece 305 includes a first rod 315 and a second rod 325, where the first rod 315 is screwed with the second rod 325, one end of the first rod 315 is connected with the second crank 303, and a threaded connection portion is provided along a radial direction of the first rod, and threads are provided on an inner wall of the threaded connection portion; the outer surface of the second rod 325 is provided with a thread matching with the thread on the first rod 315, and one end of the second rod 325 is detachably connected with the first clamping member 1. In use, the distance between the first clamping member 1 and the second clamping member 2 can be adjusted by adjusting the connection distance between the second rod member 325 and the first rod member 315, for example, rotating the second rod member 2 to rotate a portion 301 of the second rod member into (or out of) the first rod member 1, so as to adjust the length of the second rod member, thereby realizing the adjustment of the distance between the first clamping member 1 and the second clamping member 2. The clamping device can be used for fixing pieces with various sizes.
In one implementation of this embodiment, the clamping mechanism further includes a guiding mechanism 4 for guiding the first clamping member 1, where the guiding mechanism 4 includes two guiding members 401, 402 disposed in parallel, and a guiding track (guiding bar or guiding groove) may be disposed on the guiding members 401, 402, and a structure adapted to the guiding track is disposed on the first clamping member 1. For example, if a guide bar is provided on the guide, a slide groove is provided on the first clamping element, the guide bar being adapted to the guide slide groove such that the first clamping element can slide along the wire. Through setting up guiding mechanism, can make first holder can not take place to deviate when the motion, guarantee that first holder and second holder are just to the centre gripping.
Based on the same inventive concept, as shown in fig. 3, the embodiment of the invention further provides a flap valve magnetic force closing simulation device, wherein the device comprises the clamping mechanism.
In this embodiment, the flap valve magnetic force closing simulation apparatus further includes: the automatic rotary table comprises an outer shell 10, a workbench 20 arranged in the outer shell 10, a support 30 used for fixing the workbench 20, a magnetic pressure maintaining control mechanism 40 and a magnetic valve cover closing control mechanism 50 which are fixed on the surface of the workbench 20, a plane rotation driving mechanism 60 used for driving the workbench 20 to rotate and a vertical overturning driving mechanism 70.
In this embodiment, referring to fig. 4 to 5, the magnetic pressure maintaining control mechanism 40 includes a valve seat 41, a magnetic valve cover 42 movably connected to one end of the valve seat 41, and a first magnet 43 for repelling the magnetic valve cover 42; the valve seat 41 is fixed on the workbench 20 through the clamping mechanism, and the first magnet 43 is fixed on the workbench on one side of the second clamping piece 2; the magnetic valve cover closing control mechanism 50 comprises a cylinder 51 and lifting equipment 52 for driving the cylinder 51 to lift; the lifting device 52 is fixed on the workbench 20, and the lifting device 52 and the valve seat 41 are positioned on the same plane; when the cylinder 51 is positioned in the valve seat 41, the magnetic valve cover 42 is in an open state, and when the cylinder 51 is separated from the magnetic valve cover 42, the magnetic valve cover 42 is in a closed state.
In this embodiment, the driving of the planar rotation driving mechanism 60 and the vertical overturning driving mechanism 70 may change the state of the workbench 20, so as to drive the state of the valve seat 41 disposed on the workbench 20 to change, simulate different states of the valve seat 41, and simulate the closing condition between the valve seat and the magnetic valve cover in different states by combining with the lifting of the cylinder.
As shown in fig. 6, in one implementation of the present embodiment, the workbench 20 includes a first base 21 and a second base 22, where the shape of the first base 21 may be a circle or other shape.
Illustratively, the first base 21 is circular in shape, and the second base 22 is circular in shape, which is adapted to the first base 21. A through hole 210 is formed in the middle of the first base 21, the valve seat 41 passes through the through hole 210, two ends of the valve seat 41 are exposed at two sides of the first base 21, and one end (connected with a magnetic valve cover) of the valve seat 41 is fixed on the end face of the first base 21 through a fixing piece. The first magnet 43 is opposite to the magnetic valve cover, that is, when the magnetic valve cover is opened, the first magnet is opposite to the magnetic valve cover, and the magnetic valve cover is opposite to the first magnet, so that the magnetic valve cover can be ensured not to deviate when being closed under the action of magnetic force. The lifting device 52 is arranged on one side of the valve seat.
In this embodiment, the plane rotation driving mechanism 60 includes a first gear 61, a second gear 62, and a first power device 63, where the power device may be a motor, the first gear 61 is meshed with the second gear 62, and the second gear 62 is fixedly connected with an output end of the first power device 63; the first gear 61 is fixed on an end surface of the circular base 21 facing away from the valve seat 41 (i.e., the first gear 61 and the valve seat 41 are respectively disposed on two opposite end surfaces of the circular base 21), the second base 22 is provided with a hole through which an output end of the power supply is passed, the first power device 63 is fixed on the second base 22, and an output end thereof is close to the first gear 61, that is, the first gear 61 and the second gear 62 are disposed in a space formed between the first base 21 and the second base 22. The motor rotates to drive the second gear to rotate, and after the second gear is meshed with the first gear, the first base 21 is further driven to rotate relative to the second base 22, that is, the plane rotation driving mechanism 60 can rotate the valve seat around the central axis thereof.
In this embodiment, the vertical flip driving mechanism 70 includes: a first transmission unit 71, a second transmission unit 72 and a second power device 73 for driving the first transmission unit 71 and the second transmission unit 72; the first transmission unit 71 and the second transmission unit 72 are respectively and fixedly connected with the second base 22, and the first transmission unit 71 is connected with the output end of the second power device 73. The first transmission unit 71 includes a bearing and a rotating shaft matched with the bearing, one end of the rotating shaft is matched with the bearing, the other end of the rotating shaft is fixed on the second base 22, the second transmission unit 72 includes a bearing and a rotating shaft matched with the bearing, one end of the rotating shaft is matched with the bearing, the other end of the rotating shaft is fixed on the second base 22, and the bearings are respectively fixed on the support 30. The second power device 73 may be an electric device or a manual device, and illustratively, the second power device 73 is a manual device and includes a hand wheel 730, and turning the hand wheel 730 can vertically turn the first base 21 and the second base 22. By the cooperation of the plane rotation driving mechanism 60 and the vertical overturning driving mechanism 70, the conditions of vertical drilling, horizontal drilling, inclined angle drilling and the like can be simulated.
In one implementation of this embodiment, the clamping mechanism of the magnetic triggering device further includes: a displacement adjustment mechanism 80 for adjusting the distance between the first magnet 43 and the valve seat 41. Wherein the displacement adjusting mechanism 80 comprises a pressure sensor (not shown) connected to the first magnet, the magnetic force between the first magnet 43 and the magnetic valve cover 42 can be detected by the pressure sensor, and the distance between the first magnet and the magnetic valve cover can be adjusted by the magnetic force between the magnetic valve cover 42 and the first magnet 43 under different conditions, so that the proper distance can be selected.
In connection with fig. 7, in one implementation of the present embodiment, the magnetic valve cover 42 includes: the valve cover comprises a valve cover body 421, a connecting arm 422 fixed on the valve cover body 421 and used for being movably connected with the opening end of the valve seat 41, and a valve cover permanent magnet 423 fixed on the valve cover body. Wherein, the connecting arm 423 may be an elastic piece, and one end of the elastic piece is fixed on the valve cover body 421, and the other end is movably connected with one end of the valve seat.
In one implementation of this embodiment, the valve seat 41 includes: a cylinder body 410 and a second magnet 420 disposed inside the cylinder body 410, the second magnet 420 being for attracting the magnetic valve cover 42.
The cylinder body 410 is a cylindrical cylinder with two open ends, and the cylinder body 410 may be made of metal, such as cast iron, steel, etc. The second magnet 420 is a cylindrical magnet, and the cylindrical magnet 420 may be formed by at least two tile-shaped magnets spliced in a circumferential direction, for example, four tile-shaped magnets spliced in a circumferential direction, where magnetizing directions of the tile-shaped magnets may be the same or different, and the magnetizing directions include an axial magnetizing direction and a radial magnetizing direction. In one implementation of this embodiment, the valve seat 41 further includes: and a bottom cover 430, wherein the bottom cover 430 is detachably connected with the cylinder body 410, and a hole 431 for pressure test is formed on the bottom cover 430.
In this embodiment, the bottom cover 430 is used to seal the other end of the cylindrical body 410 (not connected to the magnetic valve cover), and by providing the end cover 430 and the magnetic valve cover 42, the valve seat can be sealed, i.e. a sealed space is formed inside the valve seat.
In this embodiment, the bottom cover 430 includes a bottom cover body 432, and is configured to connect to a first step portion 433 of the cylinder body, and a second step portion 434 that is configured to be in a step-like distribution with the first step portion 433, where the second step portion 434 is disposed at an end of the first step portion 433 that faces away from the cylinder body 410. The outer surface of the first step 433 is provided with external threads, through which connection with the cylinder body can be achieved, it is easy to understand that the inner surface of the same body is provided with internal threads adapted to the external threads on the outer surface of the first step 433. When the first step portion 433 is in threaded connection with the cylinder body, one end of the cylindrical magnet 420 facing away from the magnetic valve cover abuts against the first step portion 433, and the second step portion 434 is tightly attached to the end of the cylinder body, that is, the diameter of the second step portion 434 is larger than the diameter of the first step portion 433.
In the present embodiment, a hole 431 for testing sealing pressure provided on the bottom cover 430 is located at a central position of the bottom cover 430, and the hole 431 may be connected to a gas supply mechanism (not shown) through a pipe, and the sealing effect thereof may be detected.
In summary, an embodiment of the present invention provides a clamping mechanism of a magnetic triggering device, which includes: the clamping device comprises a first clamping piece, a second clamping piece and a control mechanism, wherein the second clamping piece is arranged opposite to the first clamping piece, the control mechanism is used for locking the first clamping piece, and the first clamping piece is fixedly connected with the control mechanism. When an object is required to be fixed, the first clamping piece is matched with the second clamping piece, and the first clamping piece is locked by the control mechanism, so that the object to be fixed (such as a valve seat) can be firmly fixed between the first clamping part and the second clamping part. Meanwhile, the clamping mechanism is simple in structure and easy to process.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (4)
1. A flap valve magnetic closure simulation apparatus, comprising:
the clamping mechanism comprises a first clamping piece, a second clamping piece arranged opposite to the first clamping piece and a control mechanism for locking the first clamping piece, and the first clamping piece is fixedly connected with the control mechanism;
the workbench comprises a driving mechanism for driving the workbench to rotate so as to simulate vertical drilling, horizontal drilling and drilling with different inclination angles;
the magnetic pressure maintaining control mechanism comprises a valve seat, a magnetic valve cover movably connected with one end of the valve seat and a first magnet for repelling the magnetic valve cover; the clamping mechanism is fixed on the workbench, the valve seat is clamped between the first clamping piece and the second clamping piece, the first magnet is fixed on the workbench at one side of the second clamping piece, and the first magnet is opposite to the magnetic valve cover;
the valve seat comprises a cylinder body, a second magnet and a bottom cover, wherein the second magnet is arranged in the cylinder body and used for attracting the magnetic valve cover;
the magnetic valve cover closing control mechanism comprises a cylinder body and lifting equipment for driving the cylinder body to lift; the lifting device and the valve seat are fixed on the same plane of the workbench; when the cylinder body is arranged in the valve seat, the magnetic valve cover is in an open state, and when the cylinder body is separated from the magnetic valve cover, the magnetic valve cover is in a closed state;
the second magnet is used for attracting the magnetic valve cover; the bottom cover is detachably connected with the cylinder body, a hole for pressure testing is formed in the center of the bottom cover, and the hole is connected with the air supply mechanism through a pipeline.
2. The flap valve magnetic closure simulation apparatus of claim 1 wherein the magnetic valve cover comprises: the valve cover comprises a valve cover body, a connecting arm which is fixed on the valve cover body and is used for being movably connected with the opening end of the valve seat, and a valve cover permanent magnet which is fixed on the valve cover body.
3. The flap valve magnetic closure simulation apparatus of claim 1, wherein the bottom cover comprises a bottom cover body, a first step part for connecting the cylinder body, a second step part which is arranged in a step-like manner with the first step part, and the second step part is arranged at one end of the first step part, which is away from the cylinder body.
4. The flap valve magnetic closure simulation apparatus of claim 1, further comprising: and the air supply mechanism is connected with the hole through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110349455.4A CN113236164B (en) | 2021-03-31 | 2021-03-31 | Clamping mechanism of magnetic force trigger device and magnetic force closing simulation device of flap valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110349455.4A CN113236164B (en) | 2021-03-31 | 2021-03-31 | Clamping mechanism of magnetic force trigger device and magnetic force closing simulation device of flap valve |
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| Publication Number | Publication Date |
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| CN113236164A CN113236164A (en) | 2021-08-10 |
| CN113236164B true CN113236164B (en) | 2023-07-25 |
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| CN202110349455.4A Active CN113236164B (en) | 2021-03-31 | 2021-03-31 | Clamping mechanism of magnetic force trigger device and magnetic force closing simulation device of flap valve |
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