Rock core resistivity testing device

Abstract

The utility model relates to the technical field of rock core resistivity testing devices, in particular to a rock core resistivity testing device which comprises a kettle body and rollers, four corners of the bottom of the kettle body are fixedly connected with the tops of the rollers respectively, a second copper sheet is fixedly connected to the bottom of the inner wall of the kettle body, and a control structure is connected to the inner wall of the kettle body. A top cover is inserted into the top of the kettle body, and the top of the top cover is connected with an adjusting structure. The lifting rope is fixed to the outer wall of the circular ring, the circular ring drives the vertical rod to move upwards through the lifting rope, the moving vertical rod is matched with the vertical cylinder to drive the square frame to move upwards, the moving square frame is matched with the bottom plate to drive the rock core to move upwards, the rock core is gradually separated from the kettle body, then the rock core is taken down, and then the square frame is put back into the kettle body. Therefore, the use difficulty of the rock core resistivity testing device is reduced, and the working efficiency of the rock core resistivity testing device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to core resistivity testing device technical field, specifically be a kind of core resistivity testing device. BACKGROUND

[0002] Core resistivity testing device main role is to determine the resistivity value of rock under different water saturation, and draw saturation and resistivity index relationship curve.

[0003] For example, the announcement number is "CN212723095U" a kind of core resistivity testing device, compressor, buffer tank combination back pressure valve one can control gas injection pressure, back pressure valve two are connected with core holder control its pressure, needle valve precision control gas flow, to realize the accurate control of pressure, and by adjusting the set value of back pressure valve one, back pressure valve two can adjust pressure, easy operation, the device has the characteristics of low cost, temperature controllable, pressure accurate control, pressure regulation is simple, but in the use of core resistivity testing device, core is placed in the inside of core resistivity testing device, and the placement mesa of core cannot be adjusted, so it needs to enter the inside of core resistivity testing device to take and place core, increase the use difficulty of core resistivity testing device, reduce the working efficiency of core resistivity testing device. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems of increasing the use difficulty of core resistivity testing device and reducing the working efficiency of core resistivity testing device, and provides a kind of core resistivity testing device.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] Design a kind of core resistivity testing device, including kettle body and gyro wheel, the bottom four corners of kettle body are respectively with the top of gyro wheel solid connection, the inner wall bottom of kettle body is connected with the second copper sheet, the inner wall of kettle body is connected with control structure, the top of kettle body is inserted with top cover, the top of top cover is connected with adjustment structure, the inner wall of kettle body is connected with protective layer.

[0007] Preferably, the control structure includes square frame and vertical cylinder, the outer wall of square frame is matched with the inner wall of protective layer, the top left and right sides of square frame are respectively fixed with the bottom of vertical cylinder, the inner wall of vertical cylinder is connected with vertical rod by screw thread, the top of vertical rod is fixed with circular ring, the inner wall bottom of square frame is fixed with bottom plate.

[0008] Preferably, the bottom of bottom plate is matched with the top of second copper sheet.

[0009] Preferably, the left and right sides of top cover are respectively fixed with curved block.

[0010] Preferably, the adjustment structure includes a cylinder and a handle. The bottom of the outer wall of the cylinder is rotatably connected to the top of the top cover. The front of the cylinder is fixedly connected to the rear end face of the handle. A screw is threadedly connected to the inner wall of the cylinder. A first copper plate is fixedly connected to the bottom of the screw. A block is fixedly connected to the left and right sides of the first copper plate, respectively.

[0011] Preferably, the outer side of the block is in contact with the inner wall of the protective layer.

[0012] The core resistivity testing device proposed in this utility model has the following advantages: By controlling the connection between the lower thread on the outer wall of the upright and the inner thread on the inner wall of the vertical cylinder in the control structure, the upright and the vertical cylinder are fixed. Then, the suspension rope is fixed to the outer wall of the ring, and the ring is pulled upward by the suspension rope. The ring moves the upright upward with the vertical cylinder, and the moving upright, together with the square frame, moves upward. The moving square frame, together with the base plate, moves the core upward, so that the core gradually detaches from the reactor body. Then, the core is removed, and the square frame is put back into the reactor body, causing the upright to rotate in the opposite direction and detach from the vertical cylinder. This reduces the difficulty of using the core resistivity testing device and improves the working efficiency of the core resistivity testing device. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 for Figure 1 A schematic diagram showing the connection structure between the middle vessel body, the protective layer, and the second copper sheet;

[0015] Figure 3 for Figure 1 Schematic diagram of the connection relationship between the Chinese frame and the base plate;

[0016] Figure 4 for Figure 3 A schematic diagram of the structure of A in the middle;

[0017] Figure 5 for Figure 1 A schematic diagram of the connection structure between the Chinese frame and the vertical cylinder.

[0018] In the diagram: 1. Cauldron body, 2. Control structure, 201. Square frame, 202. Vertical cylinder, 203. Upright pole, 204. Ring, 205. Base plate, 3. Adjustment structure, 301. Cylindrical cylinder, 302. Handle, 303. Screw, 304. First copper sheet, 305. Square block, 4. Protective layer, 5. Roller, 6. Second copper sheet, 7. Top cover, 8. Curved block, 9. Upright pole. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings:

[0020] Example 1:

[0021] Please refer to Figures 1-5 : In this embodiment, a core resistivity testing device includes a kettle body 1 and a roller 5, the bottom corners of the kettle body 1 are respectively fixedly connected with the top of the roller 5, the roller 5 facilitates the movement of the kettle body 1, the roller 5 is a universal wheel with self-locking function, the inner wall bottom of the kettle body 1 is fixedly connected with a second copper sheet 6, the inner wall of the kettle body 1 is connected with a control structure 2, the top of the kettle body 1 is inserted with a top cover 7, the top of the top cover 7 is connected with an adjusting structure 3, the inner wall of the kettle body 1 is fixedly connected with a protective layer 4, and the protective layer 4 is made of polytetrafluoroethylene material.

[0022] The control structure 2 includes a square frame 201 and a vertical cylinder 202, the outer wall of the square frame 201 is fitted with the inner wall of the protective layer 4, the top left and right sides of the square frame 201 are respectively fixedly connected with the bottom of the vertical cylinder 202, the inner wall of the vertical cylinder 202 is threadedly connected with a vertical rod 203, the vertical rod 203 can rotate up and down on the inner wall of the vertical cylinder 202 in cooperation with the threads on the outer wall bottom, the top of the vertical rod 203 is fixedly connected with a circular ring 204, the inner wall bottom of the square frame 201 is fixedly connected with a bottom plate 205, the bottom plate 205 is a copper sheet, and the bottom of the bottom plate 205 is fitted with the top of the second copper sheet 6.

[0023] By threadedly connecting the threads below the outer wall of the vertical rod 203 with the inner wall threads of the vertical cylinder 202 in the control structure 2, the fixing of the vertical rod 203 and the vertical cylinder 202 is completed, then the lifting rope is fixed to the outer wall of the circular ring 204, the circular ring 204 is pulled upward through the lifting rope, the circular ring 204 moves upward with the vertical rod 203, the moving vertical rod 203 moves upward with the square frame 201 in cooperation with the vertical cylinder 202, and the moving square frame 201 moves upward with the core in cooperation with the bottom plate 205, so that the core gradually separates from the kettle body 1, then the core is taken out, then the square frame 201 is placed back into the kettle body 1, and the vertical rod 203 is rotated in the opposite direction to be separated from the vertical cylinder 202, thereby reducing the use difficulty of the core resistivity testing device and improving the working efficiency of the core resistivity testing device.

[0024] The left and right sides of the top cover 7 are respectively fixedly connected with curved blocks 8, the adjusting structure 3 includes a cylindrical barrel 301 and a handle 302, the outer wall bottom of the cylindrical barrel 301 is rotatably connected with the top of the top cover 7, the vertical cylinder 301 outer wall bottom is stressed to rotate through the top cover 7 top bearing, the front surface of the cylindrical barrel 301 is fixedly connected with the rear end surface of the handle 302, the handle 302 facilitates the rotation of the cylindrical barrel 301, the inner wall of the cylindrical barrel 301 is threadedly connected with a screw rod 303, the bottom of the screw rod 303 is fixedly connected with a first copper sheet 304, the left and right sides of the first copper sheet 304 are respectively fixedly connected with square blocks 305, the outer sides of the square blocks 305 are fitted with the inner wall of the protective layer 4, and the square blocks 305 are stressed to move up and down on the protective layer 4.

[0025] Working principle:

[0026] Core resistivity testing device core placement:

[0027] Push the curved block 8 upwards to move the top cover 7 upwards, so that the top cover 7 is separated from the top of the kettle body 1, and then the cylinder 301 is separated from the inside of the kettle body 1 with the screw rod 303 and the first copper sheet 304, and then the core is placed in the kettle body 2 from top to bottom, so that the outer wall of the core is inserted into the square frame 201 below, and the bottom of the core is attached to the top of the bottom plate 205, and then the first copper sheet 304 is placed in the kettle body 1 until the inner wall of the top cover 7 is inserted above the outer wall of the kettle body 1, and then the handle 302 is rotated with the cylinder 301 on the top of the top cover 7, and the rotating cylinder 301 will rotate with the screw rod 303, and because the square blocks 305 on both sides of the first copper sheet 304 at the bottom of the screw rod 303 are attached to the protective layer 4, the screw rod 303 is limited, so that the screw rod 303 cannot rotate, and in order to ensure power balance, the screw rod 303 will move downwards, and the moving screw rod 303 will move downwards with the first copper sheet 304, so that the bottom of the first copper sheet 304 is attached to the top of the core.

[0028] Core resistivity testing device working:

[0029] The wires on the outer walls of the first copper sheet 304 and the second copper sheet 6 are connected to the power supply, and the electrical energy is transmitted to the first copper sheet 304 and the second copper sheet 6 through the wires, and then the current reaches the core, and then the resistance of the other end of the wire is checked to test the resistivity of the core.

[0030] Core resistivity testing device core collection:

[0031] Move the top cover 7 upwards to separate it from the kettle body 1, and then connect the threads on the outer wall of the vertical rod 203 to the threads on the inner wall of the vertical cylinder 202, fix the vertical rod 203 and the vertical cylinder 202, then fix the lifting rope on the outer wall of the circular ring 204, pull the circular ring 204 upwards through the lifting rope, and the circular ring 204 moves upwards with the vertical rod 203, the moving vertical rod 203 cooperates with the vertical cylinder 202 to move the square frame 201 upwards, and the moving square frame 201 cooperates with the bottom plate 205 to move the core upwards, so that the core gradually separates from the kettle body 1, and then the core is removed, and then the square frame 201 is placed back into the kettle body 1, and the vertical rod 203 is rotated in the opposite direction to separate from the vertical cylinder 202.

[0032] Example 2:

[0033] Please refer to Figures 1-5 : In this embodiment, a core resistivity testing device further comprises a vertical rod 9, and the outer wall of the vertical rod 9 is fixedly connected to the inner wall of the screw rod 303.

[0034] Working principle:

[0035] The vertical rod 9 guarantees the strength of the screw rod 303 and reduces the weight of the screw rod 303 by the material of the carbon fiber of the vertical rod 9, so as to facilitate the rotating operation of the screw rod 303.

[0036] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. A core resistivity testing device, comprising a kettle body (1) and rollers (5), the bottom corners of the kettle body (1) are respectively fixed with the top of the rollers (5), characterized in that: The inner wall bottom of the kettle body (1) is fixedly connected with a second copper sheet (6), the inner wall of the kettle body (1) is connected with a control structure (2), the top of the kettle body (1) is inserted with a top cover (7), the top of the top cover (7) is connected with an adjusting structure (3), and the inner wall of the kettle body (1) is fixedly connected with a protective layer (4); The control structure (2) comprises a square frame (201) and a vertical cylinder (202), the outer wall of the square frame (201) is attached to the inner wall of the protective layer (4), the top of the square frame (201) is fixedly connected with the bottom of the vertical cylinder (202) on the left and right sides, the inner wall of the vertical cylinder (202) is threadedly connected with a vertical rod (203), the top of the vertical rod (203) is fixedly connected with a circular ring (204), and the inner wall bottom of the square frame (201) is fixedly connected with a bottom plate (205). The bottom of the bottom plate (205) is attached to the top of the second copper sheet (6).

2. The core resistivity testing device of claim 1, wherein: The left and right sides of the top cover (7) are fixedly connected with curved blocks (8).

3. The core resistivity testing device of claim 1, wherein: The adjusting structure (3) comprises a cylinder (301) and a handle (302), the outer wall bottom of the cylinder (301) is rotatably connected with the top of the top cover (7), the front surface of the cylinder (301) is fixedly connected with the rear end surface of the handle (302), the inner wall of the cylinder (301) is threadedly connected with a screw rod (303), the bottom of the screw rod (303) is fixedly connected with a first copper sheet (304), and the left and right sides of the first copper sheet (304) are fixedly connected with square blocks (305).

4. The core resistivity testing device of claim 3, wherein: The outer side of the square block (305) is attached to the inner wall of the protective layer (4).

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