Impact disturbance surrounding rock test equipment and use method thereof

Abstract

The present invention relates to the technical field of rock mechanics testing equipment, specifically to an impact disturbance surrounding rock testing equipment and a method for using the same, comprising a base, four guide rods one being evenly fixedly connected to the base, a feeding mechanism being provided on one side of the guide rod one, the feeding mechanism comprising two transport components symmetrically arranged on the base, a transport bracket being connected between the two transport components, a support plate for placing a test piece being slidably inserted on the transport bracket, a movable mounting plate and two symmetrically arranged support brackets being slidably connected to the four guide rods one, and both of the support brackets being fixedly connected to the movable mounting plate via connecting strips. In the present invention, by means of the support plate provided, a heavier test piece can be placed on the support plate by means of common tools first, and then the test piece can be moved between the pressure plates by means of the feeding mechanism and the support bracket, and then the servo hydraulic cylinder can be controlled to apply a load to the test piece for testing.

Description

Technical Field

[0001] The invention relates to the technical field of rock mass mechanics testing equipment, in particular to an impact disturbance surrounding rock testing equipment and a use method thereof. Background Art

[0002] In various engineering practices in nature, such as various mining projects, railway and highway tunnel construction, etc., when deep high-stress rock mass is excavated, the rock mass not only bears high static loads such as ground stress and tectonic stress, but also has to bear the influence of stress disturbance caused by changes in the original rock stress field or excavation of adjacent caverns, as well as dynamic loads such as excavation blasting operations or mechanical drilling or dynamic loads such as impact force caused by earthquakes and blasting. Therefore, in order to meet the complex and changeable research needs of deep underground rock mass engineering, test equipment is needed to conduct experiments.

[0003] The existing patent (publication number: CN104374655B) discloses an impact disturbance surrounding rock test equipment. The present invention includes a top plate, a base, a support column, a screw column, a crossbeam, a crossbeam lifting motor and a reducer component, a chain gear, an impact hammer head, an impact hammer guide rod, a horizontal X-direction loading splint, a horizontal Y-direction loading splint, a horizontal X-direction servo hydraulic cylinder, a horizontal Y-direction servo hydraulic cylinder, a vertical Z-direction servo hydraulic cylinder, and an acceleration sensor. The impact disturbance surrounding rock test equipment of the present invention can pre-apply static and dynamic loads to large-sized rock samples in three directions and can apply a certain waveform impact load to the rock sample in the vertical direction to simulate the response of the rock sample to the disturbance in a deep high-stress environment. In the process of realizing the above invention, the inventor found that there are the following problems: when testing heavier samples, it is difficult to place the specimen manually, and tools are needed to move the specimen. Due to the obstruction of the support column and the horizontal loading splint, it is difficult for commonly used tools to directly put the specimen into the equipment. Summary of the invention

[0004] The purpose of the present invention is to provide an impact disturbance surrounding rock test device and a method of using the same, so as to solve the problem that it is difficult to put a heavy sample into the device when testing the heavy sample mentioned in the background technology. To achieve the above purpose, the present invention provides the following technical solutions:

[0005] A kind of impact disturbance surrounding rock testing equipment comprises a base, four guide rods 1 are evenly fixedly connected to the base, a feeding mechanism is arranged on one side of the guide rod 1, the feeding mechanism comprises two transport components symmetrically arranged on the base, a transport bracket is connected between the two transport components, a supporting plate for placing test pieces is slidably inserted on the transport bracket, a movable mounting plate and two symmetrically arranged supporting brackets are slidably connected to the four guide rods 1, the two supporting brackets are fixedly connected to the movable mounting plate through a connecting strip, an electromagnet is fixedly connected to the top of the guide rod 1, the movable mounting plate is adsorbed on the electromagnet, a transmission mechanism is connected between the feeding mechanism and the connecting strip, and two symmetrical switching mechanisms are also arranged on the base.

[0006] Preferably, the transport component includes two mounting brackets 1 fixedly connected in parallel to the base, two rotating shafts 1 are rotatably connected in parallel to the mounting brackets 1, sprockets are fixedly connected to the rotating shafts 1, four sprockets are connected to chains, a fixed bracket is fixedly connected to the mounting bracket 1 away from the guide rod 1, a driving motor is fixedly connected to the fixed bracket, and the output shaft of the driving motor is fixedly connected to one of the adjacent rotating shafts 1.

[0007] Preferably, the chain comprises a plurality of shaft cylinders, adjacent shaft cylinders are rotatably connected with connecting plates, a pair of symmetrical shaft cylinders on two chains are rotatably connected with conveying brackets, and the conveying brackets are connected to two constraint components arranged on both sides.

[0008] Preferably, the constraint assembly includes two parallel guide rods 2 fixedly connected to the base, the two guide rods 2 are slidably connected with a movable plate, the movable plate is provided with a sliding groove, a slider 1 is slidably connected in the sliding groove, and the slider 1 is fixedly connected to the conveying bracket.

[0009] Preferably, the transmission mechanism includes two mounting brackets 2 symmetrically arranged on the base, the mounting brackets 2 are rotatably connected with a rotating shaft 2 and a rotating shaft 3, the rotating shaft 2 and the rotating shaft 3 are rotatably connected, the rotating shaft 2 is slidably connected with a clamping sleeve, one end of the rotating shaft 3 is provided with a clamping joint, the clamping sleeve is slidably plugged into the clamping joint, the rotating shaft 2 is fixedly connected with a gear 1, and the rotating shaft 3 is fixedly connected with a gear 2.

[0010] Preferably, a connecting bracket is fixedly connected to the movable plate, a rack 1 is fixedly connected to the connecting bracket, the rack 1 is meshed with a gear 1 on the same side, and a rack 2 is fixedly connected to the connecting bar, the rack 2 is meshed with a gear 2 on the same side.

[0011] Preferably, the switching mechanism includes three parallel mounting brackets fixedly connected to the base, a slide rail fixedly connected between two of the three mounting brackets, a slider two slidably connected to the slide rail, a toggle plate fixedly connected to the lower end of the slider two, the toggle plate abuts against the clamping sleeve during movement, a guide rod fixedly connected to the upper end of the slider two, two connecting sleeves symmetrically fixedly connected to the conveying bracket, and the connecting sleeves are slidably connected to the guide rod on the same side.

[0012] Preferably, a servo hydraulic cylinder 1 is fixedly connected to the movable mounting plate, and a pressure plate 1 is fixedly connected to the movable end of the servo hydraulic cylinder 1. Four servo hydraulic cylinders 2 are also evenly fixedly connected to the base, and a pressure plate 2 is fixedly connected to the movable end of the servo hydraulic cylinder 2.

[0013] A method for using an impact disturbance surrounding rock test device comprises the following steps:

[0014] S1. Place the specimen to be tested on the supporting plate;

[0015] S2, start the driving motor, the driving motor drives the sprocket connected to it to rotate, the sprocket drives the chain connected to it to move, the chain drives the conveying bracket connected to it to move, the conveying bracket will first translate into between the guide rods, then move downward, then translate in the opposite direction to move out from between the guide rods, and finally move up to the origin, at this time, turn off the driving motor;

[0016] During the translation of the conveying bracket, the conveying bracket drives the slider 2 to move along the slide rail through the connecting sleeve and the guide rod. During the movement of the slider 2, one side of the toggle piece will abut against the clamping sleeve. Under the push of the inclined side of the toggle piece, the clamping sleeve will slide along the rotating shaft 3 and separate from the clamping joint, so that the transmission mechanism can no longer transmit.

[0017] During the downward movement of the conveying bracket, the supporting plate and the specimen will be transferred from the conveying bracket to the supporting bracket due to the obstruction of the supporting bracket;

[0018] During the reverse translation of the delivery bracket, the other side of the toggle sheet will abut against the clamping sleeve, so that the clamping sleeve and the clamping joint are engaged;

[0019] During the upward movement of the conveying bracket, the movable plate will be synchronously moved upward under the drive of the conveying bracket, and the rack 1 fixedly connected to the movable plate will also move upward, so that the gear 1 meshing with the rack 1 rotates, and the gear 1 drives the gear 2 to rotate through the engaged clamping sleeve and the clamping joint. Since the rack 2 is meshed with the gear 2, the supporting bracket and the movable mounting plate will move downward under the drive of the gear 2 until the supporting plate and the test piece on the supporting bracket move to the detection position;

[0020] S3, start the servo hydraulic cylinder 1 and the servo hydraulic cylinder 2, so that the pressing plate 1 and the pressing plate 2 abut against each surface of the test piece, apply different pressures to the test piece and record corresponding data;

[0021] S4. Start the drive motor again and reverse the drive motor. When the conveying bracket moves in the opposite direction for one circle and returns to the origin, turn off the drive motor and remove the test piece on the supporting plate after the test.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. In the present invention, by setting up a support plate, a heavier test piece can be placed on the support plate by using common tools, and then the test piece can be moved between the pressure plates by using a feeding mechanism and a support bracket, and then the servo hydraulic cylinder can be controlled to apply a load to the test piece for testing.

[0024] 2. In the present invention, by setting up a transmission mechanism, the movement of the movable plate in the feeding mechanism can be used as a power to drive the supporting bracket and the movable mounting plate to slide along the guide rod, so that the two steps of feeding the test piece and moving the test piece can be automatically performed in a continuous manner without the need for additional control.

[0025] 3. In the present invention, by setting up a switching mechanism, the state of the transmission mechanism can be changed as the conveying bracket moves, so that the lifting and lowering of the supporting bracket and the movable mounting plate can be accurately controlled to avoid the device from being unable to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 It is a schematic diagram of the structure of the transport component in the present invention;

[0028] Figure 3 for Figure 2 A local enlarged schematic diagram of the middle A;

[0029] Figure 4 It is a schematic diagram of the structure of the constraint component in the present invention;

[0030] Figure 5 The structure of the transmission mechanism in the present invention is shown in FIG. Figure 1 ;

[0031] Figure 6 The structure of the transmission mechanism in the present invention is shown in FIG. Figure 2 ;

[0032] Figure 7 It is a structural schematic diagram of the switching mechanism in the present invention;

[0033] Figure 8 It is a structural schematic diagram of the toggle piece in the present invention.

[0034] In the figure: 1, base; 2, guide rod 1; 3, feeding mechanism; 301, transportation component; 3011, mounting bracket 1; 3012, rotating shaft 1; 3013, sprocket; 3014, chain; 30141, shaft cylinder; 30142, connecting piece; 3015, fixed bracket; 3016, driving motor; 302, conveying bracket; 303, supporting plate; 304, restraining component; 3041, guide rod 2; 3042, movable plate; 3043, slide; 3044, slider 1; 4, movable mounting plate; 5, supporting bracket; 6, connecting bar ;7. Transmission mechanism;701. Mounting bracket 2;702. Rotating shaft 2;703. Rotating shaft 3;704. Card joint;705. Card sleeve;706. Gear 1;707. Gear 2;708. Connecting bracket;709. Rack 1;710. Rack 2;8. Switching mechanism;801. Mounting bracket 3;802. Slide rail;803. Slider 2;804. Toggle plate;805. Guide rod;806. Connecting sleeve;9. Servo hydraulic cylinder 1;10. Pressure plate 1;11. Servo hydraulic cylinder 2;12. Pressure plate 2;13. Electromagnet. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the present invention.

[0036] See also Figures 1 to 8 , the present invention provides a technical solution:

[0037] A rock impact disturbance test device comprises a base 1, on which four guide rods 2 are evenly and fixedly connected, a feeding mechanism 3 is arranged on one side of the guide rod 2, the feeding mechanism 3 comprises two transport components 301 symmetrically arranged on the base 1, a conveying bracket 302 is connected between the two transport components 301, a supporting plate 303 for placing a test piece is slidably inserted on the conveying bracket 302, a movable mounting plate 4 and two symmetrically arranged supporting brackets 5 are slidably connected to the four guide rods 2, the two supporting brackets 5 are fixedly connected to the movable mounting plate 4 through a connecting strip 6, an electromagnet 13 is fixedly connected to the top of the guide rod 2, the movable mounting plate 4 is adsorbed on the electromagnet 13, a transmission mechanism 7 is connected between the feeding mechanism 3 and the connecting strip 6, and two symmetrical switching mechanisms 8 are also arranged on the base 1.

[0038] In this embodiment, the transport component 301 includes two mounting brackets 3011 fixedly connected in parallel to the base 1, the mounting brackets 3011 are rotatably connected with two rotating shafts 3012 in parallel, each rotating shaft 3012 is fixedly connected with a sprocket 3013, four sprockets 3013 are connected with a chain 3014, the mounting bracket 3011 away from the guide rod 2 is fixedly connected with a fixed bracket 3015, the fixed bracket 3015 is fixedly connected with a driving motor 3016, and the output shaft of the driving motor 3016 is fixedly connected to one of the adjacent rotating shafts 3012.

[0039] In this embodiment, the chain 3014 includes a plurality of shaft cylinders 30141, and connecting plates 30142 are rotatably connected between adjacent shaft cylinders 30141. A pair of symmetrical shaft cylinders 30141 on two chains 3014 are rotatably connected to conveying brackets 302, and the conveying brackets 302 are connected to two constraint components 304 arranged on both sides.

[0040] In this embodiment, the constraint assembly 304 includes two parallel guide rods 3041 fixedly connected to the base 1, and the two guide rods 3041 are slidably connected with a movable plate 3042, and the movable plate 3042 is provided with a sliding groove 3043, and a slider 3044 is slidably connected in the sliding groove 3043, and the slider 3044 is fixedly connected to the conveying bracket 302.

[0041] In this embodiment, the transmission mechanism 7 includes two mounting brackets 701 symmetrically arranged on the base 1, and the mounting brackets 701 are rotatably connected with a rotating shaft 702 and a rotating shaft 703, the rotating shaft 702 and the rotating shaft 703 are rotatably connected, the rotating shaft 702 is slidably connected with a clamping sleeve 705, one end of the rotating shaft 703 is provided with a clamping joint 704, the clamping sleeve 705 is slidably plugged with the clamping joint 704, the rotating shaft 702 is fixedly connected with a gear 1 706, and the rotating shaft 3 703 is fixedly connected with a gear 2 707.

[0042] In this embodiment, a connecting bracket 708 is fixedly connected to the movable plate 3042, a rack 1 709 is fixedly connected to the connecting bracket 708, the rack 1 709 is meshed with the gear 1 706 on the same side, and a rack 2 710 is fixedly connected to the connecting bar 6, the rack 2 710 is meshed with the gear 2 707 on the same side.

[0043] In this embodiment, the switching mechanism 8 includes a parallel mounting bracket three 801 fixedly connected to the base 1, a slide rail 802 fixedly connected between the two mounting brackets three 801, a slider two 803 slidably connected to the slide rail 802, a toggle plate 804 fixedly connected to the lower end of the slider two 803, the toggle plate 804 will abut against the clamping sleeve 705 during the movement, a guide rod 805 fixedly connected to the upper end of the slider two 803, and two connecting sleeves 806 are symmetrically fixedly connected to the conveying bracket 302, and the connecting sleeve 806 is slidably connected to the guide rod 805 on the same side.

[0044] In this embodiment, a servo hydraulic cylinder 9 is fixedly connected to the movable mounting plate 4, and a pressure plate 10 is fixedly connected to the movable end of the servo hydraulic cylinder 9. Four servo hydraulic cylinders 11 are also evenly fixedly connected to the base 1, and a pressure plate 12 is fixedly connected to the movable end of the servo hydraulic cylinder 11.

[0045] In this embodiment, the toggle piece 804 will push the locking sleeve 705 to move during the movement. When the locking sleeve 705 is blocked and can no longer move, the end of the toggle piece 804 will be deformed due to the pressure of the locking sleeve 705, so that the toggle piece 804 can pass through the locking sleeve 705 smoothly, and then the toggle piece 804 will return to its original state, so that the toggle piece 804 can push the locking sleeve 705 to reset when moving in the opposite direction.

[0046] In this embodiment, the adsorption force of the electromagnet 13 on the movable mounting plate 4 is greater than the total gravity of the movable mounting plate 4 and other components connected thereto, so that when the clamping sleeve 705 is separated from the clamping joint 704, the movable mounting plate 4 and other components connected thereto will not slide directly due to loss of supporting force.

[0047] A method for using an impact disturbance surrounding rock test device comprises the following steps:

[0048] S1. Place the specimen to be tested on the supporting plate 303;

[0049] S2, start the driving motor 3016, the driving motor 3016 drives the sprocket 3013 connected thereto to rotate, the sprocket 3013 drives the chain 3014 connected thereto to move, the chain 3014 drives the conveying bracket 302 connected thereto to move, the conveying bracket 302 first translates into between the guide rods 2, then moves downward, then translates in the reverse direction to move out from between the guide rods 2, and finally moves upward back to the origin, at which time the driving motor 3016 is turned off;

[0050] During the translation of the conveying bracket 302, the conveying bracket 302 drives the slider 2 803 to move along the slide rail 802 through the connecting sleeve 806 and the guide rod 805. During the movement of the slider 2 803, one side of the toggle piece 804 abuts against the clamping sleeve 705. Under the push of the inclined side of the toggle piece 804, the clamping sleeve 705 slides along the rotating shaft 3 703 and separates from the clamping joint 704, so that the transmission mechanism 7 can no longer transmit.

[0051] During the downward movement of the conveying support 302 , the support plate 303 and the specimen will be transferred from the conveying support 302 to the support support 5 due to the obstruction of the support support 5 on the conveying support 302 ;

[0052] During the reverse translation of the delivery bracket 302, the other side of the toggle piece 804 abuts against the clamping sleeve 705, so that the clamping sleeve 705 and the clamping joint 704 are engaged;

[0053] During the upward movement of the conveying bracket 302, the movable plate 3042 will be synchronously moved upward under the drive of the conveying bracket 302, and the rack 1 709 fixedly connected to the movable plate 3042 will also move upward, so that the gear 1 706 meshing with the rack 1 709 rotates, and the gear 1 706 drives the gear 2 707 to rotate through the engaged clamping sleeve 705 and the clamping joint 704. Since the rack 2 710 is meshed with the gear 2 707, the supporting bracket 5 and the movable mounting plate 4 will move downward under the drive of the gear 2 707 until the supporting plate 303 and the test piece on the supporting bracket 5 move to the detection position;

[0054] S3, start the servo hydraulic cylinder 1 9 and the servo hydraulic cylinder 2 11, so that the pressing plate 10 and the pressing plate 2 12 abut against each surface of the test piece, apply different pressures to the test piece and record corresponding data;

[0055] S4, start the driving motor 3016 again and reverse the driving motor 3016, and when the conveying bracket 302 moves in the opposite direction for one circle and returns to the origin, turn off the driving motor 3016 and remove the test piece on the supporting plate 303 after the test is completed.

[0056] The above shows and describes the basic principles, main features and advantages of the present invention. Technical personnel in this industry should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An impact disturbance surrounding rock test device, comprising a base (1), characterized in that: The base (1) is evenly and fixedly connected with four guide rods (2), a feeding mechanism (3) is arranged on one side of the guide rod (2), the feeding mechanism (3) comprises two transport components (301) symmetrically arranged on the base (1), a transport bracket (302) is connected between the two transport components (301), a support plate (303) for placing a test piece is slidably inserted on the transport bracket (302), a movable mounting plate (4) and two symmetrically arranged support brackets (5) are slidably connected to the four guide rods (2), the two support brackets (5) are fixedly connected to the movable mounting plate (4) through a connecting strip (6), an electromagnet (13) is fixedly connected to the top of the guide rod (2), the movable mounting plate (4) is adsorbed on the electromagnet (13), a transmission mechanism (7) is connected between the feeding mechanism (3) and the connecting strip (6), and two symmetrical switching mechanisms (8) are also arranged on the base (1); The transport component (301) comprises two mounting brackets (3011) fixedly connected in parallel to the base (1); two rotating shafts (3012) are rotatably connected in parallel to the mounting brackets (3011); sprockets (3013) are fixedly connected to the rotating shafts (3012); four sprockets (3013) are connected to chains (3014); a fixed bracket (3015) is fixedly connected to the mounting bracket (3011) away from the guide rod (2); a driving motor (3016) is fixedly connected to the fixed bracket (3015); and an output shaft of the driving motor (3016) is fixedly connected to one of the adjacent rotating shafts (3012); The chain (3014) comprises a plurality of shaft cylinders (30141), and connecting pieces (30142) are rotatably connected between adjacent shaft cylinders (30141); a pair of symmetrical shaft cylinders (30141) on two chains (3014) are rotatably connected to conveying brackets (302), and the conveying brackets (302) are connected to two restraining components (304) arranged on both sides; The constraint assembly (304) comprises two parallel guide rods (3041) fixedly connected to the base (1), the two guide rods (3041) being slidably connected to a movable plate (3042), the movable plate (3042) being provided with a slide groove (3043), the slide groove (3043) being slidably connected to a slider (3044), and the slider (3044) being fixedly connected to the conveying bracket (302); The transmission mechanism (7) comprises two mounting brackets (701) symmetrically arranged on the base (1); a rotating shaft (702) and a rotating shaft (703) are rotatably connected to the mounting bracket (701); the rotating shaft (702) and the rotating shaft (703) are rotatably connected; a clamping sleeve (705) is slidably connected to the rotating shaft (702); a clamping joint (704) is arranged at one end of the rotating shaft (703); the clamping sleeve (705) is slidably plugged with the clamping joint (704); a gear (706) is fixedly connected to the rotating shaft (702); and a gear (707) is fixedly connected to the rotating shaft (703); The movable plate (3042) is fixedly connected to a connecting bracket (708), the connecting bracket (708) is fixedly connected to a rack 1 (709), the rack 1 (709) is meshed with a gear 1 (706) on the same side, the connecting bar (6) is fixedly connected to a rack 2 (710), the rack 2 (710) is meshed with a gear 2 (707) on the same side; The switching mechanism (8) comprises a parallel mounting bracket three (801) fixedly connected to the base (1); a slide rail (802) is fixedly connected between the two mounting brackets three (801); a slider two (803) is slidably connected to the slider rail (802); a toggle plate (804) is fixedly connected to the lower end of the slider two (803); the toggle plate (804) will abut against the clamping sleeve (705) during the movement; a guide rod (805) is fixedly connected to the upper end of the slider two (803); two connecting sleeves (806) are symmetrically fixedly connected to the conveying bracket (302); and the connecting sleeves (806) are slidably connected to the guide rod (805) on the same side.

2. The impact disturbance surrounding rock test equipment according to claim 1, characterized in that: The movable mounting plate (4) is fixedly connected to a servo hydraulic cylinder one (9), and the movable end of the servo hydraulic cylinder one (9) is fixedly connected to a pressure plate one (10). The base (1) is also evenly fixedly connected to four servo hydraulic cylinders two (11), and the movable end of the servo hydraulic cylinder two (11) is fixedly connected to a pressure plate two (12).

3. A method for using an impact disturbance surrounding rock test device according to any one of claims 1 or 2, characterized in that: The steps include: S1. placing the test piece to be tested on the supporting plate (303); S2, start the driving motor (3016), the driving motor (3016) drives the sprocket (3013) connected thereto to rotate, the sprocket (3013) drives the chain (3014) connected thereto to move, the chain (3014) drives the conveying bracket (302) connected thereto to move, the conveying bracket (302) first translates and extends into between the guide rods (2), then moves downward, then translates in the opposite direction and moves out from between the guide rods (2), and finally moves upward back to the origin, at which time the driving motor (3016) is turned off; During the translation of the conveying bracket (302), the conveying bracket (302) drives the slider 2 (803) to move along the slide rail (802) through the connecting sleeve (806) and the guide rod (805). During the movement of the slider 2 (803), one side of the toggle plate (804) abuts against the clamping sleeve (705). Under the push of the inclined side of the toggle plate (804), the clamping sleeve (705) slides along the rotating shaft 3 (703) and separates from the clamping joint (704), so that the transmission mechanism (7) can no longer transmit. During the downward movement of the conveying support (302), due to the obstruction of the supporting support (5) on the conveying support (302), the supporting plate (303) and the specimen are transferred from the conveying support (302) to the supporting support (5); During the reverse translation of the delivery support (302), the other side of the toggle piece (804) will abut against the clamping sleeve (705), so that the clamping sleeve (705) and the clamping joint (704) are engaged; During the upward movement of the conveying bracket (302), the movable plate (3042) will be synchronously moved upward under the drive of the conveying bracket (302), and the rack 1 (709) fixedly connected to the movable plate (3042) will also move upward, causing the gear 1 (706) meshing with the rack 1 (709) to rotate, and the gear 1 (706) will drive the gear 2 (707) to rotate through the engaged clamping sleeve (705) and the clamping joint (704). Since the rack 2 (710) is meshed with the gear 2 (707), the supporting bracket (5) and the movable mounting plate (4) will move downward under the drive of the gear 2 (707) until the supporting plate (303) and the test piece on the supporting bracket (5) move to the detection position; S3, starting the servo hydraulic cylinder 1 (9) and the servo hydraulic cylinder 2 (11), so that the pressing plate 1 (10) and the pressing plate 2 (12) are in contact with each surface of the test piece, applying different pressures to the test piece and recording corresponding data; S4, start the driving motor (3016) again and reverse the driving motor (3016), and when the conveying support (302) moves in the reverse direction for one circle and returns to the origin, turn off the driving motor (3016) and remove the test piece on the supporting plate (303) after the test is completed.

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