CN111624027A - Intelligent assembly platform and assembly method for simulation test device of fidelity coring device - Google Patents
Intelligent assembly platform and assembly method for simulation test device of fidelity coring device Download PDFInfo
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- CN111624027A CN111624027A CN202010512707.6A CN202010512707A CN111624027A CN 111624027 A CN111624027 A CN 111624027A CN 202010512707 A CN202010512707 A CN 202010512707A CN 111624027 A CN111624027 A CN 111624027A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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Abstract
The invention relates to an intelligent assembly platform and an assembly method for a simulation test device of a fidelity corer, which comprises a box body and a butt joint mechanism for horizontally feeding a test piece into the box body, wherein the butt joint mechanism is positioned outside the box body; the two butt-joint mechanisms are respectively arranged at two ends of the box body; the butt joint mechanism comprises a support for supporting the test piece and a driving mechanism for driving the support to horizontally move. The invention adopts two butt-joint mechanisms to respectively send the test piece into the box body from two directions, thereby realizing intelligent operation and reducing labor intensity; and the coaxiality of the test piece is easy to guarantee, the direct thread screwing is convenient, and the working efficiency can be improved.
Description
Technical Field
The invention relates to the technical field of test systems of coring devices, in particular to an intelligent assembly platform and an assembly method of a simulation test device of a fidelity coring device.
Background
The mineral resources in the shallow part of the earth are gradually exhausted, and the marching to the deep part of the earth is an important direction of scientific and technological innovation in China in the near term and in the future. The in-situ rock mechanical behavior law of different deep occurrence terranes is the guiding science and theoretical basis of deep drilling, deep resource development and utilization and earth application science.
The characteristics of deep rock such as physical mechanics, chemical biology and the like are closely related to the in-situ environmental conditions, the in-situ environmental loss in the coring process can cause the distortion and the irreversible change of the physicochemical property and the mechanical property of the rock core, and the key of the attack is how to obtain the in-situ rock core under the deep environmental conditions and carry out real-time loading test and analysis under the in-situ fidelity state.
At present, the in-situ fidelity coring device utilizes a drilling tool to drill a rock core and then stores the rock core in a core storage tube, and realizes the simulation of the in-situ environment of the rock core through a pressure maintaining and heat insulating device connected with the core storage tube. Before core drilling, the pressure maintaining capacity needs to be verified, so that a pressure resistance testing platform of the pressure maintaining cabin is produced.
The pressure resistance test platform of the pressure holding chamber generally comprises a pressure holding experiment chamber, a hydraulic system and the like, and the pressure holding performance of the pressure holding experiment chamber is verified by injecting high-pressure liquid into the pressure holding experiment chamber through the hydraulic system. The existing pressure maintaining experiment cabin is connected with a hydraulic pipeline by drilling holes in the cylinder wall, and the drilling holes of a drilling machine can damage the pressure maintaining experiment cabin, so that the experiment result is not real. Therefore, the applicant develops the split type pressure maintaining experiment chamber, the chamber body of the split type pressure maintaining experiment chamber is connected with the test piece through the middle connecting piece, and the middle connecting piece is drilled to avoid drilling on the test piece, so that the real pressure environment can be restored.
But at present, the time and the labor are wasted when the middle connecting piece and the test piece are butted, the assembly is difficult, and the labor intensity is high.
Disclosure of Invention
The invention aims to provide an intelligent assembly platform and an assembly method for a fidelity corer simulation test device, so that the assembly of the fidelity corer simulation test device becomes easy and simple, and the labor intensity can be reduced.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an intelligent assembly platform of a simulation test device of a fidelity corer comprises a box body and a docking mechanism for horizontally feeding a test piece into the box body, wherein the docking mechanism is positioned outside the box body;
the two butt-joint mechanisms are respectively arranged at two ends of the box body; the butt joint mechanism comprises a support for supporting the test piece and a driving mechanism for driving the support to move horizontally, and the supports of the two butt joint mechanisms move on the same straight line.
Further, the support is cylindrical, the axis of the support is parallel to the horizontal plane, and the support can pass through the port of the box body.
The driving mechanism comprises a driving device and a transmission mechanism, and the transmission mechanism converts the rotary motion of the driving device into the horizontal linear motion of the support.
Further, the driving device is a motor, and the transmission mechanism is a lead screw nut transmission mechanism.
Furthermore, one side of the end cover is movably connected with the box body.
Wherein, the box is internally provided with a mounting bracket for mounting the middle connecting piece.
Furthermore, the box body is provided with at least one reserved hole.
An assembly method of a fidelity corer simulation test device adopts the intelligent assembly platform of the fidelity corer simulation test device to carry out assembly.
Further, the assembly method of the simulation test device of the fidelity coring device comprises the following steps;
step 4, rotating the test piece to enable the test piece and the middle connecting piece to be in threaded connection and fixed;
and 5, starting the driving mechanism, driving the support to horizontally move in the direction opposite to the box body by the driving mechanism, and resetting the driving mechanism.
Preferably, the support is cylindrical, and in the step 2, the test piece is arranged in the support and is in clearance fit with the support.
Compared with the prior art, the invention has the following beneficial effects:
the test device adopts two butt-joint mechanisms to automatically feed test pieces into the box body from two directions respectively, so that intelligent operation is realized, and the labor intensity can be reduced; the coaxiality of the test piece is easy to guarantee, direct thread screwing is convenient, and the working efficiency can be improved;
2, the test piece directly accomplishes the assembly and fixes in the box, puts into the box again after for docking test piece, more laborsaving saving time.
Drawings
FIG. 1 is a schematic structural view of the present invention when the test piece is not pushed into the case;
FIG. 2 is a schematic structural view of the present invention after the test piece is pushed into the box;
FIG. 3 is a schematic diagram of the present invention configuration when the assembly of the fidelity corer simulation test apparatus is complete;
FIG. 4 is a schematic view of the pressure experiment chamber with the center pole not lifted;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a schematic diagram of the pressure test chamber with the center pole raised to the end of travel;
fig. 7 is a partially enlarged view at B in fig. 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the intelligent assembly platform for the fidelity coring device simulation test device disclosed by the invention comprises a box body 9 and a docking mechanism 6 for horizontally feeding test pieces into the box body 9, wherein the docking mechanism 6 is positioned outside the box body 9. Both ends of the box body 9 are provided with a port which is provided with an openable end cover 91 so as to facilitate the loading of the test piece. In this embodiment, one side of the end cover 91 is movably connected to the box 9, and the movable connection may be a hinge connection, or may be a hinge connection 92, or may be another movable connection.
The two butt joint mechanisms 6 are arranged at two ends of the box body 9 respectively, so that the two butt joint mechanisms 6 are installed from two ends of the box body respectively.
The docking mechanism 6 includes a support 64 for supporting the test piece and a driving mechanism for driving the support 64 to move horizontally. Of course, the seats 64 of the two docking mechanisms 6 are coaxial. The drive mechanism includes a drive device and a transmission mechanism that converts rotational motion of the drive device into horizontal linear motion of the support 64. The driving device is a motor 61, and the transmission mechanism can be a screw nut transmission mechanism, a gear rack transmission mechanism and the like.
Taking the transmission mechanism as a screw nut transmission mechanism as an example, the screw 63 is connected with the motor 61, and the support 64 is fixedly connected with the nut 62. The working principle is as follows: the motor 61 rotates forwards to drive the screw 63 to rotate forwards, and then the nut 62 and the support 61 are driven to synchronously move horizontally towards the direction of the box body 9; the motor 61 rotates reversely to drive the screw 63 to rotate reversely, and then drives the nut 62 and the support 61 to move horizontally in a direction away from the box 9 synchronously.
In this embodiment, the holder 64 is cylindrical, the axis of the holder 64 is parallel to the horizontal plane, and the holder 64 can pass through the port of the case 9 to feed the test piece into the case 9.
The invention adopts two butt-joint mechanisms to automatically feed the test piece into the box body from two directions respectively, thereby realizing intelligent operation and reducing labor intensity; and the coaxiality of the test piece is easy to guarantee, the direct thread screwing is convenient, and the working efficiency can be improved.
In addition, the invention discloses a split simulation test device for a fidelity corer, which comprises a pressure test chamber, wherein the outer barrel 1 of the chamber body of the pressure test chamber comprises a first test piece 11, a second test piece 12 and an intermediate connecting piece 13. The first test piece 11, the second test piece 12 and the middle connecting piece 13 are all of cylindrical structures, and the middle connecting piece 13 connects the first test piece 11 and the second test piece 12 together to form a split cabin body structure.
Aiming at the split type fidelity corer simulation test device, the invention discloses an assembly method, which uses an intelligent assembly platform of the fidelity corer simulation test device to carry out assembly and specifically comprises the following steps;
the first test piece 11 and the second test piece 12 are coaxially arranged in the support 64 and are in clearance fit with the support 64, so that the test pieces can freely rotate relative to the support 64;
step 4, rotating the test piece to enable the test piece and the middle connecting piece 13 to be in threaded connection and fixed, and connecting the first test piece 11, the second test piece 12 and the middle connecting piece 13 together;
and 6, as shown in fig. 3, closing the driving mechanism, closing the end cover 91 and completing the assembly of the simulation testing device of the fidelity coring device.
As shown in fig. 4-7, the pressure experiment chamber of the split type fidelity coring device simulation test device disclosed by the invention further comprises a central rod 2, a core barrel 3 and a lower end sealing device. The lower end sealing device is arranged on the second test piece 12 and used for sealing the lower end of the pressure experiment cabin. The lower end sealing device can be a sealing end cover which is in threaded seal with the outer barrel 1 of the cabin body, and can also be sealed by a flap valve. In this embodiment, the lower end sealing device is a flap valve 5, the flap valve 5 comprises a valve seat 51, a valve flap 52 and an elastic member 53, one end of the valve flap 52 is movably connected with the outer side wall of the upper end of the valve seat 51, and the top of the valve seat 51 is provided with a valve port sealing surface matched with the valve flap 52. The elastic member 53 is a spring or a torsion spring.
The core barrel 3 is arranged in the outer barrel 1 of the cabin body, the lower end of the central rod 2 extends into the core barrel 3, the lower end of the central rod 2 is provided with an outer step 23, and the upper end of the core barrel 3 is provided with an inner step 32 matched with the outer step.
As shown in fig. 4 and 5, in the initial state, the core barrel 3 is located at the lower end of the outer barrel 1 of the cabin and is located in the valve seat 51. At this point, the flap 52 is open 90 ° and is located between the core barrel 3 and the second test piece 12;
when the central rod 2 is lifted upwards until the outer steps 23 abut against the inner steps 32, the central rod 2 can drive the core barrel 3 to move upwards synchronously. Meanwhile, due to the abutting of the outer step 23 and the inner step 32, sealing can be formed between the outer wall of the central rod 2 and the inner wall of the core barrel 3 at the abutting part.
When the core barrel 3 is lifted upwards to a certain height by the central rod 2, the valve clack 52 returns to the top surface of the valve seat 51 under the action of the elastic element 53 and gravity to be in sealing contact with the valve port sealing surface, and the valve is closed.
As shown in fig. 6 and 7, when the central rod 2 continues to be lifted upward to the end of the stroke, the outer wall of the upper end of the core barrel 3 is in sealing engagement with the inner wall of the first test piece 11.
Two sealing rings 22 are arranged on the outer wall of the upper end of the core barrel 3 to realize sealing with the barrel wall of the first test piece 11. At this time, the outer wall of the central rod 2 and the inner wall of the core barrel 3 form a seal at the abutting part of the outer step 23 and the inner step 32, so that the upper end of the pressure experiment chamber is sealed. The lower end of the pressure experiment chamber is closed by a flap valve 5, so that a sealed space for storing the rock core is formed in the pressure experiment chamber.
The inner wall of the first test piece 11 is provided with a first limit step 16 for axially limiting the core barrel 3, and when the upper end surface 21 of the core barrel abuts against the first limit step 16, the center rod 2 is lifted to the stroke end.
In order to increase the sealing specific pressure of the flap valve 5, the split fidelity corer simulation test device also comprises a trigger mechanism 4, wherein the trigger mechanism 4 comprises a trigger inner cylinder 41, a trigger block 42 and a trigger spring 43, a through hole is formed in the side wall of the trigger inner cylinder 41, the trigger block 42 is placed in the through hole, and a protruding part 31 matched with the trigger block 42 is arranged on the outer side wall of the bottom of the core barrel 3; the inner wall of the second test piece 12 is provided with a bypass opening 15 matched with the trigger block 42, the trigger block 42 is positioned above the valve clack 52, and the bypass opening 15 is positioned above the trigger block 42. The bottom of the avoiding opening 15 is provided with a guiding inclined plane which is convenient for the trigger block 42 to slide into the avoiding opening 15 from bottom to top and is also convenient for the trigger block 42 to slide out of the avoiding opening 15 from top to bottom.
The trigger spring 43 is sleeved outside the trigger inner cylinder 41, a shoulder 44 is arranged on the outer wall of the trigger inner cylinder 41, the trigger spring 43 is compressed between the shoulder 44 and the step surface of the inner wall of the second test piece 12, and the trigger spring 43 is positioned above the trigger block 42;
when the core barrel 3 is positioned in the valve seat 51, the trigger inner barrel 41 is positioned between the core barrel 3 and the second test piece 12, the lower end of the trigger inner barrel 41 is matched with a spigot of the valve seat 51, and the trigger block 42 protrudes out of the inner side wall of the trigger inner barrel 41;
when the core barrel 3 is lifted upwards to the first height, the convex part 31 of the core barrel 3 supports against the trigger block 42, so that the trigger inner barrel 41 can be driven to move upwards synchronously;
when the core barrel 3 is continuously lifted upwards to the second height, the trigger block 42 is pushed into the avoidance port 15 by the convex portion 31, so that the trigger block 42 avoids the convex portion 31;
when the core barrel 3 is lifted up to the bottom of the core barrel 3 to cross the avoidance port 15, the trigger block 42 loses the acting force of the core barrel 3, and the trigger inner cylinder 41 drives the trigger block 42 to fall back to press the closed valve clack 52 under the action of gravity and the trigger spring 43.
As shown in fig. 1 and 4, the wall of the middle connector 13 is provided with a side hole as a liquid injection hole 14 for externally connecting a hydraulic source. In order to facilitate connection and fixation, the side holes can be designed into threaded holes.
The pressure experiment chamber of the invention adopts the middle connecting piece to join the test piece to form a chamber body, and the liquid injection hole 14 is designed on the middle connecting piece 13, thereby avoiding drilling on the test piece and preventing the test piece from being damaged, and reducing the pressure environment of the test piece, and ensuring that the test result is more real.
In another embodiment, another side hole is further formed on the wall of the middle connecting piece 13 to serve as a watertight connector mounting hole, so that the sensor can be conveniently mounted.
As shown in fig. 1, the box 9 has at least one preformed hole, and the number of the preformed holes is set according to the requirement. There are three preformed holes on box 9 in this embodiment, do respectively: first preformed hole 93, second preformed hole 94 and third preformed hole, first preformed hole 93 are used for supplying the liquid pipeline to pass, and first preformed hole 93 just faces with liquid filling hole 14 on the intermediate junction spare 13. The second preformed hole 94 and the third preformed hole are respectively used as a medium inlet and a medium outlet, and a heating medium can be injected into the box body 9 through the medium inlet and the medium outlet, so that the pressure experiment chamber is heated, and an in-situ temperature environment is simulated.
Of course, the end cover 91 opposite to the first test piece 11 is provided with a reserved hole for the pull rod to pass through, so as to lift the central rod 2 by an external driving mechanism.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that all such changes and modifications as fall within the true spirit and scope of the invention be considered as within the following claims.
Claims (10)
1. The utility model provides a fidelity corer analogue test device intelligence mounting platform which characterized in that: the test device comprises a box body and a butt joint mechanism for horizontally feeding a test piece into the box body, wherein the butt joint mechanism is positioned outside the box body, two ends of the box body are respectively provided with a port, and the ports are provided with openable end covers;
the two butt-joint mechanisms are respectively arranged at two ends of the box body; the butt joint mechanism comprises a support for supporting the test piece and a driving mechanism for driving the support to move horizontally, and the supports of the two butt joint mechanisms move on the same straight line.
2. The fidelity corer simulation testing device intelligent assembly platform of claim 1, characterized in that: the support is cylindrical, the axis of the support is parallel to the horizontal plane, and the support can pass through the port of the box body.
3. The intelligent assembly platform of the fidelity coring device simulation test device according to claim 1 or 2, characterized in that: the driving mechanism comprises a driving device and a transmission mechanism, and the transmission mechanism converts the rotary motion of the driving device into the horizontal linear motion of the support.
4. The fidelity corer simulation testing device intelligent assembly platform of claim 3, characterized in that: the driving device is a motor, and the transmission mechanism is a lead screw nut transmission mechanism.
5. The intelligent assembly platform of the fidelity coring device simulation test device according to claim 1 or 2, characterized in that: one side of the end cover is movably connected with the box body.
6. The fidelity corer simulation testing device intelligent assembly platform of claim 1, characterized in that: and a mounting bracket for mounting the intermediate connecting piece is arranged in the box body.
7. The fidelity corer simulation testing device intelligent assembly platform of claim 1, characterized in that: the box body is provided with at least one preformed hole.
8. The assembly method of the simulation test device of the fidelity coring device is characterized in that: it is assembled by adopting the intelligent assembling platform of the fidelity coring device simulation testing device of any one of the claims 1-7.
9. The method of assembling a fidelity corer simulation test apparatus as set forth in claim 8, wherein: comprises the following steps;
step 1, mounting and fixing an intermediate connecting piece in the box body;
step 2, respectively placing the two test pieces on a support of one of the butting mechanisms;
step 3, starting the driving mechanism, driving the support to horizontally move towards the direction of the box body by the driving mechanism, driving the test piece to horizontally move towards the middle connecting piece by the support, and stopping the driving mechanism when the test piece reaches a preset position;
step 4, rotating the test piece to enable the test piece and the middle connecting piece to be in threaded connection and fixed;
and 5, starting the driving mechanism, driving the support to horizontally move in the direction opposite to the box body by the driving mechanism, and resetting the driving mechanism.
10. A method of assembling a fidelity corer simulation test apparatus as set forth in claim 9, wherein: the support is cylindrical, and in the step 2, the test piece is arranged in the support and is in clearance fit with the support.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010512707.6A CN111624027A (en) | 2020-06-08 | 2020-06-08 | Intelligent assembly platform and assembly method for simulation test device of fidelity coring device |
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| CN202010512707.6A CN111624027A (en) | 2020-06-08 | 2020-06-08 | Intelligent assembly platform and assembly method for simulation test device of fidelity coring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458202A (en) * | 2022-01-26 | 2022-05-10 | 四川大学 | Core cabin clamp for deep in-situ fidelity core taking calibration platform |
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2020
- 2020-06-08 CN CN202010512707.6A patent/CN111624027A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458202A (en) * | 2022-01-26 | 2022-05-10 | 四川大学 | Core cabin clamp for deep in-situ fidelity core taking calibration platform |
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