CN114778410A - A kind of testing equipment for rock pore structure - Google Patents

Abstract

The invention relates to the technical field of testing equipment, in particular to testing equipment of a rock pore structure, which comprises a supporting plate, wherein the surface of the supporting plate is provided with a through hole which is coaxially arranged, a driving motor is arranged in the through hole, the surface of a shell of the driving motor is provided with a motor mounting seat through screws, one end of the motor mounting seat is arranged at the bottom of the supporting plate through screws, the movable end of the driving motor is provided with a circular plate through screws, and the periphery of the circular plate is provided with a plurality of transparent containers. According to the device, the plurality of transparent containers are arranged and used for storing the plurality of rocks, so that the plurality of rocks can be synchronously measured in a single operation process of the device, and the efficiency of the device in measuring the rocks with a large number of requirements is improved.

Description

A kind of testing equipment for rock pore structure

technical field

The invention relates to the technical field of assay equipment, in particular to an assay device for rock pore structure.

Background technique

The structure of rock pores In the process of testing, the porosity of the rock needs to be determined. The porosity refers to the ratio of the pore volume in the rock to the total volume of the rock. The measurement of porosity is carried out in the laboratory, using small pieces of Rock core or cuttings, in the prior art, the commonly used equipment for porosity is a rock porosity tester. In the equipment, the weight of the rock sample and the weight of the rock completely immersed in water are respectively measured to obtain the density value of the rock, and then The density value is converted into the porosity of the rock, so that the determination of the rock porosity can be completed. However, the existing rock porosity tester can only measure a single rock at a time. Some devices have the problem of low measurement efficiency, and after the rock is completely immersed in water, it needs to wait for a long time for the aqueous solution to flow into the pores of the rock, which further reduces the efficiency of rock porosity measurement.

SUMMARY OF THE INVENTION

The purpose of the present invention is to propose a test equipment for rock pore structure in order to solve the shortcomings in the prior art.

In order to achieve the above purpose, the technical scheme adopted in the present invention is as follows: an assay device for rock pore structure, comprising a support plate, the surface of the support plate is provided with a through hole arranged on a coaxial line, and the interior of the through hole is placed with a support plate. a drive motor, a motor mount is mounted on the surface of the housing of the drive motor by screws, one end of the motor mount is mounted on the bottom of the support plate by screws, a circular plate is mounted on the movable end of the drive motor by screws, the A plurality of transparent containers are arranged around the circular plate, the tops of the plurality of transparent containers are all provided with openings, and the plurality of the transparent containers and the circular plate are connected by a transmission mechanism, and the transmission mechanism includes a first elongated block , the bottom of the first long block is mounted on the top of the support plate by screws, the top of the first long block is provided with a first chute, and the inside of the first chute is slidably accommodated with a second sliding block , the top of the second sliding block extends to the top of the first long block, the top of the second sliding block is installed with a support block through screws, the bottom of the support block is installed with two connecting blocks through screws, and the two Sliding tubes are installed on the bottoms of the two connecting blocks through screws, third fixing rods are slidably installed inside the two sliding tubes, mounting plates are installed at both ends of the two third fixing rods through screws, and the four One end of the mounting plate is mounted on the two symmetrical sides of the first elongated block by screws, the side of the support block is mounted with a first fixing rod by screws, and both the first fixing rod and the top of the circular plate are mounted with screws by screws. A pin shaft, a first connecting plate is movably sleeved between the surfaces of the two shafts, the bottom of the transparent container is placed on the top of the support block, the support block and the transparent container are connected by a positioning mechanism, the The positioning mechanism includes two fixed blocks and a base, one end of the two fixed blocks is installed on the outside of the fixed block by screws, one end of the base is installed on the side of the support block by screws, and a parallel arrangement is arranged above the base. The top of the base is mounted with a lead screw, one end of the lead screw penetrates the second connecting plate and extends above it, the surface of the lead screw is threadedly sleeved with a screw, the The bottom of the solenoid is in contact with the top of the second connecting plate, the two ends of the second connecting plate are installed with second fixing rods through screws, the tops of the two fixing blocks are provided with installation grooves, and the two The two fixing rods are respectively placed inside the two installation slots, the bottoms of the two second fixing rods are installed with limit blocks by screws, and the ends of the four limit blocks are respectively connected with two of the two fixing blocks. Symmetrical side contact, cover plates are installed on the tops of a plurality of the transparent containers through buckles, sealing rubber rings are adhered to the tops of the transparent containers, and the bottoms of the cover plates are respectively sealed with a plurality of seals. The top of the rubber ring is in contact, and a material clamping mechanism is connected between the cover plate and the transparent container. The material clamping mechanism includes a first mounting block and a screw hole, and the screw hole is opened on the surface of the cover plate. A stud is inserted into the inner thread of the screw hole, the bottom end of the stud extends to the inside of the transparent container, the first mounting block is installed on the inner bottom surface of the transparent container by a screw, and the bottom end of the stud is connected by a screw Install There is a second installation block, the position of the second installation block corresponds to the first installation block, and a stroke control mechanism is arranged between the circular plate and the support plate.

Preferably, a pressure spring is movably sleeved on the surface of the lead screw, and both ends of the pressure spring are respectively mounted on the top of the base and the bottom of the second connecting plate through screws.

Preferably, the transparent container is a glass with a volume scale.

Preferably, rubber pads are adhered to the bottom of the second mounting block and the top of the first mounting block.

Preferably, both the bottom of the second installation block and the top of the first installation block are provided with grooves, and the grooves are circular.

Preferably, a plurality of legs are installed on the bottom of the support plate through screws, at least four legs are provided, and the four legs are arranged at an equal angle.

Preferably, the stroke control mechanism includes a movable block, a mounting rod and a PLC controller, the PLC controller is mounted on the top of the support plate by screws, the bottom of the movable block is mounted on the top of the circular plate by screws, and the One end of the installation rod is connected to the support plate through an adjustment mechanism, the other end of the installation rod extends to the top of the circular plate, the movable block and the installation rod are in the same arc trajectory, and the side of the installation rod is installed with a stroke through screws switch, the travel switch is connected with the PLC controller through a wire.

Preferably, the adjustment mechanism includes a second elongated block, the bottom of the second elongated block is mounted on the top of the support plate through screws, the top of the second elongated block is provided with a second chute, the A first sliding block is slidably installed inside the second chute, the top of the first sliding block is mounted on the bottom of the mounting rod by screws, a second screw hole is formed on the surface of the first sliding block, and the second The inside of the chute is provided with a plurality of first screw holes, the positions of the first screw holes and the second screw holes correspond to each other, and a screw rod is threadedly inserted between the first screw holes and the second screw holes.

Preferably, the PLC controller is connected with the drive motor through wires.

Preferably, the second elongated block is in the shape of an arc, and the second elongated block and the circular plate are arranged coaxially.

Compared with the prior art, the present invention has the following beneficial effects:

In the present invention, a plurality of transparent containers are arranged, and the plurality of transparent containers are used to store a plurality of rocks, so as to be able to measure the plurality of rocks synchronously during a single operation of the device, so as to improve the requirement of the device for a large number of rocks. Efficiency at the time of measurement;

In the present invention, a transmission mechanism, a circular plate and a driving motor are arranged. The driving motor drives the circular plate to rotate, the circular plate drives a plurality of transmission mechanisms to rotate synchronously, and the plurality of transmission mechanisms drive the transparent container to move synchronously. During the reciprocating movement of the transparent container, The aqueous solution in the transparent container is swaying inside. Compared with the efficiency of the rock standing in water and waiting for the aqueous solution to fill the pores of the rock, the aqueous solution can quickly fill the pores of the rock during the shaking process, thereby improving the determination of rock porosity. s efficiency.

Description of drawings

Fig. 1 is the axonometric view of the assay equipment of a kind of rock pore structure of the present invention;

2 is a schematic diagram of the connection structure between the support plate and the drive motor of a rock pore structure assay device of the present invention;

3 is a schematic diagram of the connection structure of a circular plate and a drive motor of a rock pore structure assay device of the present invention;

4 is a schematic diagram of the connection structure of a circular plate, a stroke control mechanism and an adjustment mechanism of a rock pore structure assay device according to the present invention;

5 is a schematic diagram of the connection structure of a transparent container and a transmission mechanism of a test equipment for rock pore structure according to the present invention;

6 is a schematic diagram of the connection structure of the first long block and the second sliding block of a rock pore structure assay device of the present invention;

7 is a schematic structural diagram of a positioning mechanism of a rock pore structure assay device according to the present invention;

8 is a schematic diagram of the connection structure of a transparent container and a fixed block of a rock pore structure assay device of the present invention;

9 is a schematic diagram of the connection structure of a support block and a second sliding block of a rock pore structure assay device of the present invention;

Fig. 10 is a schematic diagram of the connection structure of the transparent container, the cover plate and the material clamping mechanism of a rock pore structure assay device of the present invention.

In the figure: the first connecting plate 1, the circular plate 2, the transparent container 3, the first chute 4, the first fixing rod 5, the cover plate 6, the legs 7, the first long block 8, the stud 9, the support plate 10. Drive motor 11, through hole 12, motor mounting seat 13, travel switch 14, movable block 15, first screw hole 16, second chute 17, second long block 18, second screw hole 19, screw 20 , mounting rod 21, first sliding block 22, pin 23, mounting plate 24, third fixing rod 25, PLC controller 26, support block 27, fixing block 28, connecting block 29, sliding tube 30, second fixing rod 31. The base 32, the second connecting plate 33, the first mounting block 34, the second sliding block 35, the limit block 36, the lead screw 37, the solenoid 38, the pressure spring 39, the mounting groove 40, the sealing rubber ring 41, the first Two mounting blocks 42 , rubber pads 43 , grooves 44 , and screw holes 45 .

Detailed ways

The following description serves to disclose the invention to enable those skilled in the art to practice the invention. The preferred embodiments described below are given by way of example only, and other obvious modifications will occur to those skilled in the art.

As shown in Figures 1-10, a rock pore structure testing equipment includes a support plate 10, the surface of the support plate 10 is provided with a through hole 12 arranged on a coaxial line, and a drive motor 11 is placed inside the through hole 12 to drive the A motor mounting seat 13 is mounted on the surface of the housing of the motor 11 by screws, one end of the motor mounting seat 13 is mounted on the bottom of the support plate 10 by screws, and a circular plate 2 is mounted on the movable end of the driving motor 11 by screws. There are a plurality of transparent containers 3, and the transparent containers 3 are glasses with volume scales. When measuring the porosity of the rock, a certain volume of aqueous solution is poured into the transparent container 3 in advance, the scale value corresponding to the water level at this time is recorded, and recorded as the volume value of the aqueous solution, then the rock is placed in the transparent container 3, and the rock is immersed in After the water is in the water, record the scale value of the water level at this time, and record it as the total volume value. After the transparent container 3 is reciprocated by the driving motor 11, the space in the rock is filled with aqueous solution, and the water level is marked after waiting for the water level to stand still. The scale value of , is recorded as the water level value after the aqueous solution is filled, which can be obtained from the above-mentioned values. Subtract the overall machine value from the water level value after the aqueous solution filling to obtain the volume value of the pores in the rock, and then subtract the volume of the aqueous solution from the total volume value. The volume value of the rock can be obtained by dividing the volume value of the rock by the volume value of the pores in the rock to obtain the porosity of the rock.

The tops of the plurality of transparent containers 3 are all provided with openings, and the plurality of transparent containers 3 and the circular plate 2 are connected by a transmission mechanism. The top of the support plate 10, the top of the first long block 8 is provided with a first chute 4, the inside of the first chute 4 is slidably accommodated with a second sliding block 35, and the top of the second sliding block 35 extends to the first length. Above the bar block 8, the top of the second sliding block 35 is installed with a support block 27 through screws, the bottom of the support block 27 is installed with two connection blocks 29 through screws, and the bottom of the two connection blocks 29 is installed with sliding tubes 30 through screws , a third fixing rod 25 is slidably installed inside the two sliding tubes 30 , two ends of the two third fixing rods 25 are installed with a mounting plate 24 by screws, and one end of the four mounting plates 24 is installed on the first long strip by screws The two symmetrical sides of the block 8 and the side of the support block 27 are installed with the first fixing rod 5 through screws, and the top of the first fixing rod 5 and the circular plate 2 are both installed with pins 23 through screws. The movable sleeve is provided with a first connecting plate 1, and the bottom of the transparent container 3 is placed on the top of the support block 27. When driving the transparent container 3 to move back and forth, the PLC controller 26 controls the driving motor 11 to rotate, and the driving motor 11 drives the circular The plate 2 rotates, the circular plate 2 drives the first connecting plate 1 to move in a synchronous arc through the pin shaft 23 during the rotation process, and the first connecting plate 1 is forced to move through another pin 23 in the first fixed rod 5 during the movement process. The surface rotates, and at the same time, when the first connecting plate 1 moves, the first fixing rod 5 is pulled, and the first fixing rod 5 pulls the support block 27 after being stressed, and the support block 27 drives the second sliding block 35 to slide in the first chute 4. It is used to facilitate the support block 27 to drive the transparent container 3 to slide. After the circular plate 2 drives the movable block 15 to contact the travel switch 14, the travel switch 14 feeds back information to the PLC controller 26, and the PLC controller 26 controls the drive motor 11 to work in reverse. After the drive motor 11 is reset to the starting point, the PLC controller 26 controls the drive motor 11 to work in the forward direction, thereby controlling the transparent container 3 to slide back and forth. With the movement of the support block 27, the support block 27 drives the sliding tube 30 to slide on the surface of the third fixing rod 25 through the connecting block 29, which is used to improve the stability of the support block 27 during the movement process, thereby improving the stability of the transparent container 3 in the process of moving. Stability when moving.

The support block 27 and the transparent container 3 are connected by a positioning mechanism. The positioning mechanism includes two fixing blocks 28 and a base 32. One end of the two fixing blocks 28 is installed on the outside of the fixing block 28 by screws, and one end of the base 32 is installed by screws. On the side of the support block 27, a second connecting plate 33 arranged in parallel is arranged above the base 32, and a lead screw 37 is installed on the top of the base 32 by screws. One end of the lead screw 37 penetrates the second connecting plate 33 and extends above it. , the surface of the screw 37 is threadedly sleeved with a solenoid 38, the bottom of the solenoid 38 is in contact with the top of the second connecting plate 33, and the two ends of the second connecting plate 33 are installed with a second fixing rod 31 by screws. The tops of the blocks 28 are provided with installation grooves 40, the two second fixing rods 31 are respectively placed inside the two installation grooves 40, and the bottoms of the two second fixing rods 31 are installed with the limiting blocks 36 by screws. The ends of the position blocks 36 are in contact with the two symmetrical sides of the two fixing blocks 28 respectively, the tops of the plurality of transparent containers 3 are all mounted with cover plates 6 through snaps, and the tops of the plurality of transparent containers 3 are all bonded with sealing rubber. Ring 41, the bottoms of the plurality of cover plates 6 are respectively in contact with the tops of the plurality of sealing rubber rings 41, the surface of the lead screw 37 is movably sleeved with a pressure spring 39, and the two ends of the pressure spring 39 are respectively installed on the top of the base 32 by screws and the bottom of the second connecting plate 33 . When the transparent container 3 and the support block 7 are connected and fixed, the solenoid 38 only needs to be rotated, the solenoid 38 is threaded on the surface of the lead screw 37 , and the solenoid 38 pushes the second connecting plate 33 to slide on the surface of the lead screw 37 At the same time, the second connecting plate 33 drives the two second fixing rods 31 to slide synchronously in the vertical direction. After the two second fixing rods 31 move to the inside of the two installation slots 40, the four limit blocks 36 are distributed. The two symmetrical sides of the two fixing blocks 28 are used to stably press the two fixing blocks 28 on the top of the supporting block 27 , thereby improving the stability of the transparent container 3 during the reciprocating movement.

A material clamping mechanism is connected between the cover plate 6 and the transparent container 3. The material clamping mechanism includes a first mounting block 34 and a screw hole 45. The screw hole 45 is opened on the surface of the cover plate 6, and the inner thread of the screw hole 45 is inserted. There is a stud 9, the bottom end of the stud 9 extends to the interior of the transparent container 3, the first mounting block 34 is mounted on the inner bottom surface of the transparent container 3 by screws, and the bottom end of the stud 9 is mounted with a second mounting block 42 by screws , the positions of the second installation block 42 and the first installation block 34 correspond to each other, and a rubber pad 43 is bonded to the bottom of the second installation block 42 and the top of the first installation block 34 . The bottom of the second mounting block 42 and the top of the first mounting block 34 are both provided with grooves 44 , and the grooves 44 are circular. When the position of the rock is fixed in the transparent container 3, the rock is first placed on the top of the first mounting block 34, and then the stud 9 is rotated, and the stud 9 drives the synchronous movement of the second mounting block 42. After the bottom of 42 is in contact with the top of the rock, the stud 9 can be turned, and the stud 9 presses the second mounting block 42 tightly against the top of the rock, and the bottom of the rock presses tightly against the top of the first mounting block 34 for mounting The position of the rock is fixed, which improves the stability when the rock moves back and forth with the transparent container 3 . The arrangement of the groove 44 can be used to place the end of the small rock volume and the size of the groove 44 for the role of the rock lifting and limiting position, thereby improving the stability of the position of the rock. The rubber pad 43 can be used for the contact of the rock, and is used to improve the friction force of the rock between the second installation block 42 and the first installation block 34 , and to further improve the stability of the rock placed inside the transparent container 3 .

A stroke control mechanism is provided between the circular plate 2 and the support plate 10 . The stroke control mechanism includes a movable block 15, a mounting rod 21 and a PLC controller 26. The PLC controller 26 is mounted on the top of the support plate 10 by screws, and the bottom of the movable block 15 is mounted on the top of the circular plate 2 by screws. One end is connected with the support plate 10 through the adjustment mechanism, the other end of the installation rod 21 extends to the top of the circular plate 2, the movable block 15 and the installation rod 21 are in the same arc trajectory, and the side of the installation rod 21 is installed with the travel switch 14 through screws, The travel switch 14 is connected to the PLC controller 26 through wires.

The adjustment mechanism includes a second elongated block 18, the bottom of the second elongated block 18 is mounted on the top of the support plate 10 by screws, and the top of the second elongated block 18 is provided with a second chute 17. A first sliding block 22 is slidably installed inside, the top of the first sliding block 22 is mounted on the bottom of the mounting rod 21 by screws, the surface of the first sliding block 22 is provided with a second screw hole 19, and the inside of the second sliding slot 17 is provided with There are a plurality of first screw holes 16 , the positions of the first screw holes 16 and the second screw holes 19 correspond to each other, and a screw 20 is threadedly inserted between the first screw holes 16 and the second screw holes 19 . The PLC controller 26 is connected to the drive motor 11 through wires. The second elongated block 18 is arc-shaped, and the second elongated block 18 and the circular plate 2 are arranged coaxially. When adjusting the distance between the travel switch 14 and the movable block 15, during operation, the screw rod 20 is rotated in the opposite direction, the screw rod 20 is rotated in the first screw hole 16 and the second screw hole 19, and one end of the screw rod 20 is rotated from the first screw hole 16 and the second screw hole 19. After the inner thread of the first screw hole 16 is turned out, the first sliding block 22 can be slid, and the first sliding block 22 slides in the second sliding groove 17 after being stressed, so as to facilitate the first sliding block 22 to drive the installation rod 21 to move , the installation rod 21 drives the travel switch 14 to move synchronously, which is used to easily adjust the distance between the travel switch 14 and the movable block 15, and is used to control the rotation stroke of the circular plate 2. With the change of the rotation stroke of the circular plate 2, it is used for further Adjust the shaking amplitude of the transparent container 3 .

A plurality of legs 7 are installed on the bottom of the support plate 10 through screws, and at least four legs 7 are provided, and the four legs 7 are arranged at equal angles. The plurality of legs 7 are used to support the device, thereby improving the stability of the device on the ground.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions describe only the principles of the present invention. Without departing from the spirit and scope of the present invention, there are various Variations and improvements are intended to fall within the scope of the claimed invention. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. An assay device for rock pore structure, comprising a support plate (10), characterized in that the surface of the support plate (10) is provided with a through hole (12) provided by a coaxial line, and the through hole (12) A drive motor (11) is housed inside the drive motor (11), and a motor mount (13) is mounted on the surface of the housing of the drive motor (11) through screws. 2. The assay equipment of a rock pore structure according to claim 1, wherein one end of the motor mounting seat (13) is mounted on the bottom of the support plate (10) by screws, and the drive motor (11) ) is mounted with a circular plate (2) through screws, and a plurality of transparent containers (3) are arranged around the circular plate (2), and the tops of the plurality of transparent containers (3) are all provided with openings. The transparent container (3) and the circular plate (2) are connected by a transmission mechanism, and the transmission mechanism includes a first elongated block (8), and the bottom of the first elongated block (8) is installed by screws On the top of the support plate (10), a first chute (4) is opened on the top of the first long block (8), and a second sliding block ( 35). 3 . The testing equipment for rock pore structure according to claim 2 , wherein the top of the second sliding block ( 35 ) extends above the first elongated block ( 8 ), and the second sliding block ( 35 ) extends above the first elongated block ( 8 ). 4 . A support block (27) is mounted on the top of the sliding block (35) by screws, and two connection blocks (29) are mounted on the bottom of the support block (27) by screws, and the bottoms of the two connection blocks (29) are mounted by screws There are sliding pipes (30), and third fixing rods (25) are slidably installed inside the two sliding pipes (30), and mounting plates (25) are installed at both ends of the two third fixing rods (25) by screws. 24), one end of the four mounting plates (24) is mounted on the two symmetrical sides of the first elongated block (8) by screws, and the sides of the support block (27) are mounted with a first fixing rod ( 5), the top of the first fixing rod (5) and the circular plate (2) are installed with a pin shaft (23) through screws, and a first connection is movably sleeved between the surfaces of the two shafts (23). The board (1), the bottom of the transparent container (3) is placed on the top of the support block (27), the support block (27) and the transparent container (3) are connected by a positioning mechanism, and the positioning mechanism includes two A fixing block (28) and a base (32), one end of the two fixing blocks (28) is mounted on the outside of the fixing block (28) by screws, and one end of the base (32) is mounted on the support block (28) by screws 27), a second connecting plate (33) arranged in parallel is arranged above the base (32), and a lead screw (37) is installed on the top of the base (32) by screws, and the lead screw (37) ) penetrates through the second connecting plate (33) and extends above it, the surface of the lead screw (37) is threadedly sleeved with a coil (38), and the bottom of the coil (38) is connected to the second connecting plate (33), the two ends of the second connecting plate (33) are installed with second fixing rods (31) by screws, and the tops of the two fixing blocks (28) are provided with installation grooves (40) , the two second fixing rods (31) are respectively placed inside the two mounting grooves (40), and the bottoms of the two second fixing rods (31) are installed with limit blocks (36) by screws. The ends of each of the limiting blocks (36) are respectively in contact with the two symmetrical sides of the two fixing blocks (28), and the tops of the plurality of the transparent containers (3) are mounted with cover plates (6) through snaps , the tops of the plurality of transparent containers (3) are all bonded with sealing rubber rings (41), and the bottoms of the plurality of cover plates (6) are respectively in contact with the tops of the plurality of sealing rubber rings (41). A material clamping mechanism is connected between the cover plate (6) and the transparent container (3), and the material clamping mechanism includes a first mounting block (34) and a screw hole (45), and the screw hole (45) is opened in the On the surface of the cover plate (6), a stud (9) is inserted into the inner thread of the screw hole (45), the bottom end of the stud (9) extends to the inside of the transparent container (3), and the first A mounting block (34) is mounted on the inner bottom surface of the transparent container (3) by means of screws , the bottom end of the stud (9) is mounted with a second mounting block (42) through screws, the second mounting block (42) corresponds to the position of the first mounting block (34), the circular plate (2) ) and the support plate (10) are provided with a stroke control mechanism; the surface of the lead screw (37) is movably sleeved with a pressure spring (39), and both ends of the pressure spring (39) are respectively installed on the base through screws (32) and the bottom of the second connecting plate (33); the transparent container (3) is a glass with a volume scale. 4. the assay equipment of a kind of rock pore structure according to claim 3, is characterized in that, the bottom of described second mounting block (42) and the top of first mounting block (34) are all bonded with rubber pad ( 43). 5. The assay device of a rock pore structure according to claim 4, wherein the bottom of the second mounting block (42) and the top of the first mounting block (34) are provided with grooves (44) ), the groove (44) is circular. 6. A kind of testing equipment of rock pore structure according to claim 5, is characterized in that, the bottom of described support plate (10) is installed with a plurality of outriggers (7) by screws, and described outriggers (7) There are at least four, and the four supporting legs (7) are arranged at equal angles. 7. The assay device for rock pore structure according to claim 6, wherein the stroke control mechanism comprises a movable block (15), an installation rod (21) and a PLC controller (26), the PLC The controller (26) is mounted on the top of the support plate (10) by screws, the bottom of the movable block (15) is mounted on the top of the circular plate (2) by screws, and one end of the mounting rod (21) is provided by an adjustment mechanism Connected with the support plate (10), the other end of the installation rod (21) extends to the top of the circular plate (2), the movable block (15) and the installation rod (21) are in the same arc trajectory, the installation A travel switch (14) is mounted on the side surface of the rod (21) through screws, and the travel switch (14) is connected with a PLC controller (26) through a wire. 8 . The testing device for rock pore structure according to claim 7 , wherein the adjusting mechanism comprises a second elongated block (18), and the bottom of the second elongated block (18) is screwed through a screw. 9 . Installed on the top of the support plate (10), the top of the second long block (18) is provided with a second chute (17), and a first sliding block is slidably installed inside the second chute (17). (22), the top of the first sliding block (22) is mounted on the bottom of the mounting rod (21) by screws, the surface of the first sliding block (22) is provided with a second screw hole (19), the The interior of the second chute (17) is provided with a plurality of first screw holes (16), and the positions of the first screw holes (16) and the second screw holes (19) correspond to the positions of the first screw holes (16). A screw (20) is threadedly inserted between the ) and the second screw hole (19). 9 . The testing equipment for rock pore structure according to claim 8 , wherein the PLC controller ( 26 ) is connected to the drive motor ( 11 ) through wires. 10 . 10 . The testing equipment for rock pore structure according to claim 9 , wherein the second elongated block ( 18 ) is in a circular arc shape, and the second elongated block ( 18 ) and a circular plate are 10 . (2) Coaxial line setting.

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