A rock mechanics property testing device

Abstract

The rock mechanics characteristic testing device belongs to the technical field of rock mechanics testing equipment, and particularly relates to a rock mechanics characteristic testing device. The rock mechanics characteristic testing device comprises a bottom plate, a longitudinal support part and a horizontal testing part. The longitudinal support part comprises a first vertical beam and a second vertical beam, and the horizontal testing part comprises a first horizontal testing assembly, a second horizontal testing assembly, a first lifting mechanism and a second lifting mechanism. The first lifting mechanism and the second lifting mechanism are configured to be capable of being adjusted through lifting, so as to change the contact form between the first horizontal testing assembly and the second horizontal testing assembly and the rock sample, and then the horizontal testing part can be used to perform shear stress testing and horizontal compression testing on the rock sample. The rock mechanics characteristic testing device according to the present application can realize one machine with multiple uses more quickly, and can improve the accuracy and working efficiency of the rock sample mechanics characteristic testing, and has a good application prospect in the field.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of rock mechanics test equipment, and particularly relates to a rock mechanics property testing device. BACKGROUND

[0002] Rock mechanics property testing is a testing type for understanding the mechanical properties, deformation and failure rules of rocks and rock masses, and the physical and mechanical effects caused by various structures on rock masses by means of rock mechanics experiments, so as to provide required parameters for engineering design and construction.

[0003] To perform rock mechanics property testing, a rock mechanics property testing device needs to be used. The existing testing device can perform testing of different mechanical properties on the same testing machine, achieving the purpose of one machine for multiple uses. For example, a multifunctional rock mechanics property testing instrument is disclosed in Chinese Invention Patent (CN107121331A), which controls a left tensile arm and a right tensile arm by two horizontal power sources respectively, and sets the two tensile arms as L-shaped, so as to perform shear stress testing or bidirectional compression property testing on a rock test piece. However, the testing instrument provided by the application is limited by the size of the rock test piece, and has the shortcomings that when the rock test piece is large, the structure can only perform shear stress testing, and when the rock test piece is small, the structure can only perform bidirectional compression property testing. In addition, the device installs a vertical power source on a suspension boom, and connects a jack structure at the bottom of the bottom shaft, so as to perform vertical bidirectional compression testing on the rock. However, the device needs to place the rock test piece on a test turntable for testing, and cannot directly perform vertical bidirectional compression testing on the rock after shear stress testing, so the testing efficiency is low. SUMMARY

[0004] In view of the problems in the prior art, the application provides a rock mechanics property testing device.

[0005] The rock mechanics property testing device comprises:

[0006] a bottom plate;

[0007] a longitudinal support part comprising a first vertical beam and a second vertical beam oppositely arranged above the bottom plate;

[0008] a horizontal testing part comprising a first horizontal testing assembly and a second horizontal testing assembly arranged on the first vertical beam and the second vertical beam respectively and both configured to have a telescopic function in the horizontal direction, the first horizontal testing assembly being arranged higher than the second horizontal testing assembly, a first lifting mechanism being arranged at the end of the first horizontal testing assembly, and a second lifting mechanism being arranged at the end of the second horizontal testing assembly,

[0009] The first lifting mechanism and the second lifting mechanism are configured to be capable of being adjusted by lifting, so as to change the contact form between the first lifting mechanism, the second lifting mechanism and the rock sample, and then the rock sample can be subjected to a shear stress test and a horizontal compression test by using the horizontal test part.

[0010] As an extension of the above technical solution, the present application further includes the following embodiments:

[0011] The first lifting mechanism includes a first flat plate, a first lifting plate arranged at a free end of the first flat plate and extending perpendicularly to the first flat plate, and a first lifting power part for driving the first lifting plate to lift,

[0012] The second lifting mechanism includes a second flat plate, a second lifting plate arranged at a free end of the second flat plate and extending perpendicularly to the second flat plate, and a second lifting power part for driving the second lifting plate to lift,

[0013] The rock sample is arranged between the first flat plate, the second flat plate, the first lifting plate and the second lifting plate,

[0014] When the first lifting plate and the second lifting plate are not in contact with the second flat plate and the first flat plate, the rock mechanics property testing device can perform a shear stress test on the rock sample, and when the first lifting plate and the second lifting plate are in contact with the second flat plate and the first flat plate respectively, the rock mechanics property testing device can perform a horizontal compression test on the rock sample.

[0015] A first sliding groove extending upward and downward and a first rotating cavity communicating with the first sliding groove are arranged at the free end of the first flat plate, the first lifting plate is vertically arranged in the first sliding groove, and the first lifting power part is arranged at least partially in the first rotating cavity and in contact with the first lifting plate, so as to drive the first lifting plate to lift in the longitudinal direction.

[0016] The first lifting mechanism includes a first U-shaped plate, a second sliding groove with an open upper end and a third sliding groove with an open side surface are arranged on the first lifting plate, the third sliding groove is arranged above the second sliding groove, the second sliding groove and the third sliding groove are in communication, one end of the first U-shaped plate is arranged in the second sliding groove, and the other end is fixedly connected to the top surface of the first flat plate.

[0017] The first lifting power part comprises a first spur gear inside the first rotating cavity, and a first motor connected with the first spur gear through a first output end, and a first tooth surface meshing with the first spur gear is arranged on the side of the first lifting plate in contact with the first spur gear.

[0018] A fourth chute penetrating up and down and a second rotating cavity communicating with the fourth chute are arranged at the free end of the second flat plate, the second lifting plate is vertically arranged in the fourth chute, and the second lifting power part is arranged at least partially inside the second rotating cavity and in contact with the second lifting plate to drive the second lifting plate to lift in the longitudinal direction.

[0019] The second lifting mechanism comprises a second U-shaped plate, a fifth chute with an open lower end and a sixth chute with an open side are arranged on the second lifting plate, the sixth chute is arranged below the fifth chute, the fifth chute and the sixth chute are in communication, one end of the second U-shaped plate is arranged inside the fifth chute, and the other end is fixedly connected with the bottom surface of the second flat plate.

[0020] The second lifting power part comprises a second spur gear inside the second rotating cavity, and a second motor connected with the second spur gear through a second output end, and a second tooth surface meshing with the second spur gear is arranged on the side of the second lifting plate in contact with the second spur gear.

[0021] The height adjustment mechanism comprises a height adjustment power part, a transmission part in contact with the height adjustment power part, and a power output part in contact with the transmission part, the first vertical beam and the second vertical beam are sleeved on the power output part, and the height adjustment mechanism is configured to drive the first vertical beam and the second vertical beam to move in opposite directions in the vertical direction at the same time through the interlocking operation of the height adjustment power part, the transmission part and the power output part.

[0022] A control chamber is arranged inside the bottom plate, the height adjustment power part comprises a third motor arranged at the side wall of the bottom plate, and a first bevel gear arranged inside the control chamber and connected with the third motor through the rotating shaft of the third motor extending into the control chamber through the side wall of the bottom plate.

[0023] The transmission part comprises a first transmission assembly arranged inside the control chamber, and the power output part comprises a first power output assembly arranged partially inside the control chamber and partially extending out of the upper surface of the bottom plate, and the first vertical beam is sleeved on the first power output assembly.

[0024] The first transmission assembly comprises a second bevel gear vertically engaged with the first bevel gear, a first transmission rod extending leftward from the second bevel gear, and a third bevel gear arranged at the left end of the first transmission rod, the first power output assembly comprises a first power output rod extending upward from the bottom of the control chamber, and a fourth bevel gear sleeved on the first power output rod and vertically engaged with the third bevel gear, a first external thread rotating clockwise or counterclockwise in the direction from bottom to top is arranged on the upper side wall of the first power output rod, and the first vertical beam is connected with the first power output rod through a first internal thread corresponding to the first external thread arranged in the first vertical beam.

[0025] The transmission part comprises a second transmission assembly arranged in the control chamber, the power output part comprises a second power output assembly partially arranged in the control chamber and partially extending out of the upper surface of the bottom plate, and the second vertical beam is sleeved on the second power output assembly.

[0026] The second transmission assembly comprises a fifth bevel gear vertically engaged with the first bevel gear, a second transmission rod extending rightward from the fifth bevel gear, and a sixth bevel gear arranged at the right end of the second transmission rod, the second power output assembly comprises a second power output rod extending upward from the bottom of the control chamber, and a seventh bevel gear sleeved on the second power output rod and vertically engaged with the sixth bevel gear, a second external thread rotating counterclockwise or clockwise in the direction from bottom to top is arranged on the upper side wall of the second power output rod, and the second vertical beam is connected with the second power output rod through a second internal thread corresponding to the second external thread arranged in the second vertical beam.

[0027] The support part comprises a support arranged below the bottom plate to support the bottom plate away from the ground.

[0028] The vertical test part comprises a first vertical test assembly arranged at one end on the ground and extending upward through the bottom plate to a position below the horizontal test part, and a second vertical test assembly arranged on a cantilever beam extending rightward from the top of the first vertical beam and extending downward to a position above the horizontal test part, the first vertical test assembly and the second vertical test assembly are configured to be telescopic, so as to perform compression test in the vertical direction on the rock sample between the horizontal test part.

[0029] Compared with the prior art, the present application has the following advantages:

[0030] The horizontal test part and other parts cooperate to realize the functions of shear stress test and horizontal compression test on rock samples of different sizes, thereby reducing the size requirement of the rock sample, reducing the burden of the staff, improving the work efficiency of the rock mechanics property test, and reducing the error of the test results caused by different samples, and improving the accuracy of the test structure. In addition, the rock mechanics property test device can realize the compression test of the rock sample in the vertical direction without moving the rock sample, and realizes one machine with multiple functions in a more convenient way. In summary, the rock mechanics property test device has good application prospect in the technical field. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of the rock mechanics property test device according to the application;

[0032] Figure 2 It is a partial enlarged schematic diagram of the first lifting mechanism area;

[0033] Figure 3 It is a connection schematic diagram of the first lifting mechanism and the first telescopic rod;

[0034] Figure 4 It is a side view sectional view of the first lifting mechanism;

[0035] Figure 5 It is a partial enlarged schematic diagram of the second lifting mechanism area;

[0036] Figure 6 It is a connection schematic diagram of the second lifting mechanism and the second telescopic rod;

[0037] Figure 7 It is a side view sectional view of the second lifting mechanism;

[0038] Figure 8 It is a sectional view of the rock mechanics property test device according to the application;

[0039] Figure 9 It is a top view of the bottom plate and the associated parts.

[0040] All the drawings in the application are schematic diagrams for explaining the structure and principle, and are not necessarily drawn according to the actual size and proportion.

[0041] The specific meanings of various reference signs in the drawings are as follows:

[0042] 1, base plate; 11, control chamber; 111, mounting plate; 112, first bearing; 113, second bearing; 2, longitudinal support part; 21, first vertical beam; 211, cantilever beam; 22, second vertical beam; 3, horizontal test part; 31, first horizontal test assembly; 311, first telescopic rod; 3111, first groove; 3112, first sliding rod; 312, fourth motor; 32, second horizontal test assembly; 321, second telescopic rod; 3211, second groove; 3212, second sliding rod; 322, fifth motor; 33, first lifting mechanism; 331, first flat plate; 3311, first sliding groove; 3312, first rotating cavity; 3313, first connecting block; 332, first lifting plate; 3321, second sliding groove; 3322, third sliding groove; 3323, first tooth surface; 333, first lifting power part; 3331, first straight gear; 3332, first motor; 334, first U-shaped plate; 34, second lifting mechanism; 341, second flat plate; 3411, fourth sliding groove; 3412, second rotating cavity; 3413, second connecting block; 342, second lifting plate; 3421, fifth sliding groove; 3422, sixth sliding groove; 3423, second tooth surface; 343, second lifting power part; 3431, second straight gear; 3432, second motor; 344, second U-shaped plate; 4, rock sample; 5, height adjusting mechanism; 51, height adjusting power part; 511, third motor; 512, first bevel gear; 52, transmission part; 521, first transmission assembly; 5211, second bevel gear; 5212, first transmission rod; 5213, third bevel gear; 522, second transmission assembly; 5221, fifth bevel gear; 5222, second transmission rod; 5223, sixth bevel gear; 53, power output part; 531, first power output assembly; 5311, first power output rod; 5312, fourth bevel gear; 5313, first limiting rod; 532, second power output assembly; 5321, second power output rod; 5322, seventh bevel gear; 5323, second limiting rod; 6, support part; 7, vertical test part; 71, first vertical test assembly; 711, sixth motor; 712, third telescopic rod; 72, second vertical test assembly; 721, seventh motor; 722, fourth telescopic rod; 100, rock mechanical property testing device. DETAILED DESCRIPTION

[0043] The embodiments of the present application will be described in more detail with reference to the accompanying drawings.

[0044] Figure 1A structural schematic diagram of a rock mechanical property testing device 100 according to the present application. As shown in the figure, the rock mechanical property testing device 100 comprises a bottom plate 1, a longitudinal support part 2 and a horizontal testing part 3. The bottom plate 1 is configured as a flat plate structure. The longitudinal support part 2 comprises a first vertical beam 21 and a second vertical beam 22, which are oppositely arranged above the bottom plate 1. The horizontal testing part 3 comprises a first horizontal testing assembly 31 and a second horizontal testing assembly 32, which are respectively arranged on the first vertical beam 21 and the second vertical beam 22 and are both configured to have the function of stretching and contracting in the horizontal direction. The first horizontal testing assembly 31 is arranged higher than the second horizontal testing assembly 32, and a first lifting mechanism 33 is arranged at the end of the first horizontal testing assembly 31, and a second lifting mechanism 34 is arranged at the end of the second horizontal testing assembly 32. Moreover, the first lifting mechanism 33 and the second lifting mechanism 34 are configured to be able to be adjusted by lifting, so as to change the contact form between the first lifting mechanism 33 and the second lifting mechanism 34 and the rock sample 4, and further enable the horizontal testing part 3 to perform shear stress testing and horizontal compression testing on the rock sample 4.

[0045] In specific operation, the rock sample 4 is arranged on the horizontal testing part 3, and the staff can realize the contact form between the first lifting mechanism 33 and the second lifting mechanism 34 and the rock sample 4 by adjusting the first lifting mechanism 33 and the second lifting mechanism 34 according to the testing needs, so as to perform shear stress testing and horizontal compression testing on the same rock sample 4 by using the horizontal testing part 3.

[0046] According to the rock mechanical property testing device 100 of the present application, the design of the horizontal testing part 3 and the cooperation between the horizontal testing part 3 and other parts realize the function that the rock sample 4 with different sizes can be subjected to shear stress testing and horizontal compression testing, thereby on the one hand, the size requirement of the rock sample 4 is greatly reduced, the burden of sample preparation of the staff is reduced, and the work efficiency of rock mechanical property testing is improved, and on the other hand, since the same rock sample 4 is used for shear stress testing and horizontal compression testing, the error caused by different samples on the testing result is reduced, and the accuracy of the testing structure is improved.

[0047] As Figure 1 , Figure 2 and Figure 5As shown in the figure, in one embodiment of the present application, the first lifting mechanism 33 comprises a first flat plate 331, a first lifting plate 332 and a first lifting power part 333. The first flat plate 331 is configured as a flat plate with a smooth surface, the first lifting plate 332 is arranged at the free end of the first flat plate 331 and extends perpendicularly to the first flat plate 331, and the first lifting power part 333 is configured to drive the lifting of the first lifting plate 332. The second lifting mechanism 34 comprises a second flat plate 341, a second lifting plate 342 and a second lifting power part 343. The second flat plate 341 is configured as a flat plate with a smooth surface, the second lifting plate 342 is arranged at the free end of the second flat plate 341 and extends perpendicularly to the second flat plate 341, and the second lifting power part 343 is configured to drive the lifting of the second lifting plate 342. The rock sample 4 is arranged between the first flat plate 331, the second flat plate 341, the first lifting plate 332 and the second lifting plate 342. And when the first lifting plate 332 and the second lifting plate 342 are not in contact with the second flat plate 341 and the first flat plate 331, the worker can use the rock mechanics property testing device 100 to perform a shear stress test on the rock sample 4, and when the first lifting plate 332 and the second lifting plate 342 are in contact with the second flat plate 341 and the first flat plate 331 respectively, the worker can use the rock mechanics property testing device 100 to perform a horizontal compression test on the rock sample 4. Through this design, the rock mechanics property testing device 100 realizes the function of both shear stress test and horizontal compression test on the same rock sample 4, and the technical effects generated by this function have been described in detail above, which will not be repeated here.

[0048] As shown in the figure, Figure 1 and Figure 2 As shown in the figure, in one embodiment of the present application, a first sliding groove 3311 that penetrates up and down is formed at the free end of the first flat plate 331, and a first rotating cavity 3312 is arranged in communication with the first sliding groove 3311. The first lifting plate 332 is vertically arranged inside the first sliding groove 3311, and the first lifting power part 333 is configured to be at least partially arranged inside the first rotating cavity 3312 and in contact with the first lifting plate 332 to drive the first lifting plate 332 to perform lifting operation in the longitudinal direction. Through this design, stable connection or contact arrangement between the first lifting plate 332, the first lifting power part 333 and the first flat plate 331 is realized, ensuring the smooth realization of the lifting function of the first lifting mechanism 33.

[0049] As shown in the figure, Figure 1 , Figure 2 and Figure 4As shown in the drawings, in one embodiment of the present application, the first lifting mechanism 33 comprises a first U-shaped plate 334, an upper-end-opened second sliding groove 3321 and a side-opened third sliding groove 3322 are arranged on the first lifting plate 332, the third sliding groove 3322 is arranged above the second sliding groove 3321, the second sliding groove 3321 and the third sliding groove 3322 are in communication, one end of the first U-shaped plate 334 is located inside the second sliding groove 3321, and the other end is fixedly connected with the top of the first flat plate 331. Through this design, the first U-shaped plate 334 fixedly connected with the first flat plate 331 plays a role in improving the stability of the first lifting plate 332 in the lifting process, thereby facilitating the horizontal testing part 3 to stably clamp the rock sample 4, facilitating the smooth progress of the test, and also facilitating the improvement of the accuracy of the test results.

[0050] As shown in the drawings, Figure 1 and Figure 2 As shown in the drawings, in one embodiment of the present application, the first lifting power part 333 comprises a first spur gear 3331 and a first motor 3332. The first spur gear 3331 is located inside the first rotating cavity 3312, and the first motor 3332 is connected with the first spur gear 3331 through a first output end (not shown). The first lifting plate 332 is in contact with the first spur gear 3331, and a first tooth surface 3323 engaged with the first spur gear 3331 is arranged on the side of the first lifting plate 332 in contact with the first spur gear 3331. In specific operation, the first motor 3332 rotates to drive the first spur gear 3331 to rotate through the first output end, and the first spur gear 3331 drives the first tooth surface 3323 arranged in engagement therewith to move up and down. Since the first tooth surface 3323 is part of the first lifting plate 332, the first lifting plate 332 also moves up and down, thereby conveniently realizing the function of lifting up and down.

[0051] As shown in the drawings, Figure 1 and Figure 3 As shown in the drawings, in one embodiment of the present application, the first horizontal testing assembly 31 comprises a first telescopic rod 311 with telescopic function connected with the first flat plate 331. Through the arrangement of the first telescopic rod 311, the first flat plate 331 can move left and right in the horizontal direction, thereby driving the first lifting plate 332 to move left and right in the horizontal direction, thereby facilitating the horizontal testing part 3 to make appropriate adjustment when testing rock samples 4 with different sizes in the horizontal direction.

[0052] Further, the first telescopic rod 311 comprises a first groove 3111 arranged at the free end and a plurality of first sliding rods 3112 arranged to be inserted into the first groove 3111, a first connecting block 3313 protruding outward is arranged at the end of the first plate 331 in contact with the first telescopic rod 311, a first through hole (not shown, the same below) corresponding to the first sliding rod 3112 is arranged on the first connecting block 3313, in the specific installation, the first connecting block 3313 is inserted into the first groove 3111, and then the first sliding rod 3112 is inserted into the first through hole corresponding thereto, thereby completing the stable connection between the first telescopic rod 311 and the first plate 331.

[0053] Further, the fourth motor 312 is arranged outside the first telescopic rod 311, and the fourth motor 312 can provide power for the telescopic operation of the first telescopic rod 311.

[0054] As shown in Figure 1 and Figure 5 in an embodiment of the present application, a fourth sliding groove 3411 penetrating upward and downward is arranged at the free end of the second plate 341, and a second rotating cavity 3412 is arranged in communication with the fourth sliding groove 3411. The second lifting plate 342 is vertically arranged in the fourth sliding groove 3411, and the second lifting power part 343 is arranged at least partially in the second rotating cavity 3412 and in contact with the second lifting plate 342 to drive the second lifting plate 342 to perform the lifting operation in the longitudinal direction. Through this design, the stable connection or contact arrangement between the second lifting plate 342, the second lifting power part 343 and the second plate 341 is realized, and the smooth realization of the lifting function of the second lifting mechanism 34 is ensured.

[0055] As shown in Figure 1 , Figure 5 and Figure 7 in an embodiment of the present application, the second lifting mechanism 34 comprises a second U-shaped plate 344, an open-end fifth sliding groove 3421 and a side-open sixth sliding groove 3422 are arranged on the second lifting plate 342, the sixth sliding groove 3422 is arranged below the fifth sliding groove 3421, and the fifth sliding groove 3421 is in communication with the sixth sliding groove 3422, one end of the second U-shaped plate 344 is located in the fifth sliding groove 3421, and the other end is fixedly connected with the bottom of the second plate 341. Through this design, the second U-shaped plate 344 fixedly connected with the second plate 341 is used to improve the stability of the second lifting plate 342 in the lifting process, thereby being conducive to stably clamping the rock sample 4 by the horizontal testing part 3, thereby being conducive to the smooth testing and improving the accuracy of the test results.

[0056] As shown in Figure 1 andFigure 5 As shown in the drawings, in one embodiment of the present application, the second lifting power part 343 comprises a second spur gear 3431 and a second motor 3432. The second spur gear 3431 is located inside the second rotating cavity 3412, and the second motor 3432 is connected with the second spur gear 3431 through a second output end (not shown). The second lifting plate 342 is in contact with the second spur gear 3431, and a second tooth surface 3423 engaged with the second spur gear 3431 is arranged on the side of the second lifting plate 342 in contact with the second spur gear 3431. In a specific operation, the second motor 3432 rotates to drive the second spur gear 3431 to rotate through the second output end, and the second spur gear 3431 drives the second tooth surface 3423 arranged in engagement therewith to move up and down. Since the second tooth surface 3423 is part of the second lifting plate 342, the second lifting plate 342 also moves up and down, thereby realizing the function of up and down lifting.

[0057] As shown in the drawings, Figure 1 and Figure 6 In one embodiment of the present application, the second horizontal test assembly 32 comprises a second telescopic rod 321 with telescopic function connected with the second flat plate 341. Through the arrangement of the second telescopic rod 321, the second flat plate 341 can move left and right in the horizontal direction, thereby driving the second lifting plate 342 to move left and right in the horizontal direction, thereby facilitating the horizontal test part 3 to test the rock sample 4 with different sizes in the horizontal direction and to make appropriate adjustments.

[0058] Further, the second telescopic rod 321 comprises a second groove 3211 arranged at the free end and a plurality of second sliding rods 3212 arranged to be inserted into the inside of the second groove 3211. The second flat plate 341 is provided with a second connecting block 3413 protruding outward at one end in contact with the second telescopic rod 321, and the second connecting block 3413 is provided with a second through hole (not shown, same below) corresponding to the second sliding rod 3212. In a specific installation, the second connecting block 3413 is inserted into the inside of the second groove 3211, and then the second sliding rod 3212 is inserted into the inside of the second through hole corresponding thereto in sequence, thereby completing the stable connection between the second telescopic rod 321 and the second flat plate 341.

[0059] Further, a fifth motor 322 is arranged outside the second telescopic rod 321, which can provide power for the telescopic operation of the second telescopic rod 321.

[0060] As shown in the drawings, Figure 1 and Figure 8As shown, in one embodiment of the present invention, the rock mechanical properties testing device 100 includes a height adjustment mechanism 5. The height adjustment mechanism 5 includes a height adjustment power unit 51, a transmission unit 52 and a power output unit 53. The transmission unit 51 is located between the height adjustment power unit 51 and the power output unit 53, and is in contact with both the height adjustment power unit 51 and the power output unit 53. The first vertical beam 21 and the second vertical beam 22 are sleeved on the power output unit 53. In addition, the height adjustment structure 5 is configured to be able to drive the first vertical beam 21 and the second vertical beam 22 to move in opposite directions in the vertical direction within the same time period through the interlocking operation of the height adjustment power unit 51, the transmission unit 52 and the power output unit 53. Through this design, the height adjustment mechanism 5 can be used to realize the first vertical beam 21 and the second vertical beam 22 to move in opposite directions in the vertical direction. Since the first horizontal test component 31 and the second horizontal test component 32 are respectively arranged on the first vertical beam 21 and the second vertical beam 22, the operation of the height adjustment mechanism 5 can realize the adjustment of the distance between the first horizontal test component 31 and the second horizontal test component 32, and then realize the adjustment of the distance between the first lifting mechanism 33 and the second lifting mechanism 34. Since the rock sample 4 is set at a position between the first lifting mechanism 33 and the second lifting mechanism 34, this design, on the one hand, facilitates the staff to place the rock sample 4, and on the other hand, when the size of the rock sample 4 is too abnormal, it can also be placed between the first horizontal test component 31 and the second horizontal test component 32, thereby realizing the functions of shear stress testing and horizontal compression testing on it, thereby expanding the scope of application of the rock mechanical properties testing device 100.

[0061] Preferably, if Figure 8 As shown, in one embodiment of the present invention, a control chamber 11 is provided within the base plate 1. The height adjustment power unit 51 includes a third motor 511 disposed on the side wall of the base plate 1, and a first bevel gear 512 disposed within the control chamber 11 and connected to the rotational shaft of the third motor 511, which extends through the side wall of the base plate 1 and into the control chamber. This design utilizes the third motor 511 as the power source, and transmits power via the first bevel gear 512, which is fixedly connected to the third motor 511, thereby achieving the power output function of the height adjustment power unit 51.

[0062] Preferably, if Figure 8As shown, in one embodiment of the present application, the transmission part 52 comprises a first transmission assembly 521 arranged inside the control chamber 11, and the power output part 53 comprises a first power output assembly 531 arranged partly inside the control chamber 11 and partly extending above the upper surface of the bottom plate 1, and the first vertical beam 21 is sleeved on the first power output assembly 531. The first transmission assembly 521 is configured to transmit the power generated by the third motor 511 to the first power output assembly 531, and since the first vertical beam 21 is sleeved on the first power output assembly 531, the first vertical beam 21 can move in the longitudinal direction under the driving of the first power output assembly 531.

[0063] Preferably, as Figure 8 As shown, in one embodiment of the present application, the first transmission assembly 521 comprises a second bevel gear 5211, a first transmission rod 5212 and a third bevel gear 5213. The second bevel gear 5211 is arranged in perpendicular engagement with the first bevel gear 512, the first transmission rod 5212 extends leftward from the second bevel gear 5211, and the third bevel gear 5213 is arranged at the left end of the first transmission rod 5212. The first power output assembly 531 comprises a first power output rod 5311 and a fourth bevel gear 5312, the first power output rod 5311 extends upward from the bottom of the control chamber 11, and the fourth bevel gear 5312 is sleeved on the first power output rod 5311 and arranged in perpendicular engagement with the third bevel gear 5213. A first external thread that rotates clockwise or counterclockwise in the downward direction is arranged on the upper side wall of the first power output rod 5311, and a first internal thread corresponding to the first external thread is arranged inside the first vertical beam 21, and the first vertical beam 21 is threadedly connected with the first power output rod 5311 through the combination of the first internal thread and the first external thread. Through this design, when the third motor 511 operates, the first bevel gear 512, the second bevel gear 5211, the first transmission rod 5212, the third bevel gear 5213, the fourth bevel gear 5312 and the first power output rod 5311 can be sequentially driven to rotate, and since the first power output rod 5311 is threadedly connected with the first vertical beam 21, the rotation of the first power output rod 5311 enables it to be uncoupled or coupled with the first vertical beam 21, thereby realizing the movement of the first vertical beam 21 in the longitudinal direction, and further realizing the upward and downward movement of the first horizontal test assembly 31 in a convenient and efficient manner, thereby providing convenience for subsequent placement of rock samples 4 of different sizes.

[0064] Preferably, as Figure 8As shown, in one embodiment of the present application, the transmission part 52 comprises a second transmission assembly 522 arranged inside the control chamber 11, the power output part 53 comprises a second power output assembly 532 arranged partly inside the control chamber 11 and partly extending above the upper surface of the bottom plate 1, and the second vertical beam 22 is sleeved on the second power output assembly 532. The second transmission assembly 522 is configured to transmit the power generated by the third motor 511 to the second power output assembly 532, and since the second vertical beam 22 is sleeved on the second power output assembly 532, the second vertical beam 22 can move in the longitudinal direction under the driving of the second power output assembly 532.

[0065] Preferably, as Figure 8 As shown, in one embodiment of the present application, the second transmission assembly 522 comprises a fifth bevel gear 5221, a second transmission rod 5222 and a sixth bevel gear 5223. The fifth bevel gear 5221 is arranged in perpendicular engagement with the first bevel gear 512, the second transmission rod 5222 extends rightward from the fifth bevel gear 5221, and the sixth bevel gear 5223 is arranged at the right end of the second transmission rod 5222. The second power output assembly 532 comprises a second power output rod 5321 and a seventh bevel gear 5322, the second power output rod 5321 extends upward from the bottom of the control chamber 11, and the seventh bevel gear 5322 is sleeved on the second power output rod 5321 and arranged in perpendicular engagement with the sixth bevel gear 5223. A second external thread that rotates counterclockwise or clockwise in the upward direction is arranged on the upper side wall of the second power output rod 5321, and a second internal thread corresponding to the second external thread is arranged inside the second vertical beam 22. The second vertical beam 22 is threadedly connected to the second power output rod 5321 in a manner that the second internal thread is combined with the second external thread. Through this design, when the third motor 511 operates, the first bevel gear 512, the fifth bevel gear 5221, the second transmission rod 5222, the sixth bevel gear 5223, the seventh bevel gear 5322 and the second power output rod 5321 can be sequentially driven to rotate. Since the second power output rod 5321 is threadedly connected to the second vertical beam 22, the rotation of the second power output rod 5321 enables it to be uncoupled or tightly coupled with the second vertical beam 22, thereby enabling the second vertical beam 22 to move in the longitudinal direction, and further enabling the second horizontal test assembly 32 to move up and down conveniently and quickly, which provides convenience for subsequent placement of rock samples 4 of different sizes. It should be noted that the rotation direction of the second external thread is opposite to that of the first external thread, so as to ensure that the first vertical beam 21 and the second vertical beam 22 can move in opposite directions in the longitudinal direction.

[0066] As Figure 8As shown in the figure, in one embodiment of the present application, mounting plates 111 are arranged at the bottom and top of the control chamber 11, and a plurality of first bearings 112 are arranged between the mounting plates 111, and the outer sides of the first transmission rod 5212 and the second transmission rod 5222 are sleeved with the first bearings 112. Through this design, the first transmission rod 5212 and the second transmission rod 5222 can be stably arranged inside the control chamber 11, and due to the arrangement of the first bearings 112, the first transmission rod 5212 and the second transmission rod 5222 can realize smooth rotation, thereby helping to smoothly exert their transmission effect.

[0067] As shown in the figure, Figure 8 As shown in the figure, in one embodiment of the present application, a second bearing 113 is fixedly arranged at both sides of the bottom of the control chamber 11, and the bottoms of the first power output rod 5311 and the second power output rod 5321 are sleeved on the inner ring of the second bearing 113 and are fixedly connected with the inner ring of the second bearing 113. Through this arrangement, the first power output rod 5311 and the second power output rod 5321 can realize stable installation and smooth rotation at the same time, thereby helping to smoothly exert their power output effect.

[0068] As shown in the figure, Figure 1 As shown in the figure, in one embodiment of the present application, the rock mechanical property testing device 100 comprises a support part 6 arranged below the bottom plate 1 to support the bottom plate 1 away from the ground. Through this design, the adverse effects of the unevenness or shaking of the ground on the test results are avoided, and installation space is provided for arranging other parts on the rock mechanical property testing device 100.

[0069] As shown in the figure, Figure 1 As shown in the figure, in one embodiment of the present application, the rock mechanical property testing device 100 comprises a vertical testing part 7. The vertical testing part 7 comprises a first vertical testing assembly 71 and a second vertical testing assembly 72. One end of the first vertical testing assembly 71 is arranged on the ground, and the other end penetrates through the bottom plate 1 and extends upward to a certain position below the horizontal testing part 3. The second vertical testing assembly 72 is arranged on the cantilever beam 211 which is arranged horizontally to the right from the top of the first vertical beam 21, and the second vertical testing assembly 72 extends downward from the cantilever beam 211 to a certain position above the horizontal testing part 3. The first vertical testing assembly 71 and the second vertical testing assembly 72 are configured to be able to stretch and contract, thereby performing compression testing in the vertical direction on the rock sample 4 between the horizontal testing part 3. Through this design, the rock mechanical property testing device 100 can perform compression testing and shear testing on the rock sample 4 in the horizontal direction, and can also perform compression testing on the rock sample 4 in the vertical direction without moving the rock sample 4, thereby achieving one machine with multiple functions more quickly, which is beneficial to improve the work efficiency of the staff.

[0070] Preferably, the first vertical test assembly 71 comprises a sixth motor 711 arranged on the ground and a third telescopic rod 712 arranged above the sixth motor 711, and the second vertical test assembly 72 comprises a seventh motor 721 arranged above and a fourth telescopic rod 722 arranged below. The horizontal test part 3 is located between the third telescopic rod 712 and the fourth telescopic rod 722, and the sixth motor 711 and the seventh motor 721 can respectively provide power for the third telescopic rod 712 and the fourth telescopic rod 722 to perform telescopic movement in the vertical direction. Through this design, the compression test of the rock sample 4 in the vertical direction can be conveniently realized by controlling the sixth motor 711 and the seventh motor 721.

[0071] According to the rock mechanical property testing device 100 of the present application, through the design of the horizontal test part 3 and the cooperation between the horizontal test part 3 and other components, the function of being able to perform both shear stress test and horizontal compression test on rock samples 4 of different sizes is realized, thereby on the one hand, the size requirement of the rock sample 4 is greatly reduced, the burden of sample preparation of the staff is reduced, and the work efficiency of the rock mechanical property test is improved, on the other hand, since the same rock sample 4 is used for shear stress test and horizontal compression test, the error caused by different samples on the test result is reduced, and the accuracy of the test structure is improved. In addition, the rock mechanical property testing device 100 can also perform compression test on the rock sample 4 in the vertical direction without moving the rock sample 4, thereby more conveniently and quickly realizing one machine with multiple functions. In general, the rock mechanical property testing device 100 according to the present application has good application prospect in the technical field.

[0072] In the present application, the specific meanings of "upper", "lower", "inner", "outer", "middle", "edge" and the like when indicating the orientation are as follows: Figure 1 The drawing state of the rock mechanical property testing device 100 is for reference.

[0073] Finally, it should be noted that although the present application has been described in detail with reference to the preferred embodiments, various improvements can be made and equivalent parts can be substituted without departing from the scope of the present application. In particular, the technical features mentioned in each embodiment can be combined in any way as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A rock mechanical properties testing device, comprising: Bottom plate (1); A longitudinal support portion (2) comprising a first vertical beam (21) and a second vertical beam (22) arranged above the bottom plate (1); A horizontal testing portion (3) comprising a first horizontal testing assembly (31) and a second horizontal testing assembly (32) respectively arranged on the first vertical beam (21) and the second vertical beam (22), and both configured to have a telescopic function in the horizontal direction, the first horizontal testing assembly (31) being arranged higher than the second horizontal testing assembly (32), a first lifting mechanism (33) being arranged at the end of the first horizontal testing assembly (31), and a second lifting mechanism (34) being arranged at the end of the second horizontal testing assembly (32); and A height adjustment mechanism (5), the height adjustment mechanism (5) comprising a height adjustment power unit (51), a transmission unit (52) arranged in contact with the height adjustment power unit (51), and a power output unit (53) arranged in contact with the transmission unit (52), the first vertical beam (21) and the second vertical beam (22) being sleeved on the power output unit (53), and the height adjustment mechanism (5) being configured to be able to drive the first vertical beam (21) and the second vertical beam (22) to move in opposite directions in the vertical direction within the same time period through the interlocking operation of the height adjustment power unit (51), the transmission unit (52), and the power output unit (53), The first lifting mechanism (33) and the second lifting mechanism (34) are configured to be able to change the contact form between the first lifting mechanism (33) and the second lifting mechanism (34) and the rock sample (4) through lifting and adjusting, thereby being able to use the horizontal testing portion (3) to perform a shear stress test and a horizontal compression test on the rock sample (4). The first lifting mechanism (33) comprises a first flat plate (331), a first lifting plate (332) arranged at a free end of the first flat plate (331) and extending perpendicularly to the first flat plate (331), and a first lifting power unit (333) for driving the first lifting plate (332) to move up and down. The second lifting mechanism (34) includes a second flat plate (341), a second lifting plate (342) arranged at a free end of the second flat plate (341) and extending perpendicularly to the second flat plate (341), and a second lifting power unit (343) for driving the second lifting plate (342) to move up and down. The rock sample (4) is arranged between the first flat plate (331), the second flat plate (341), the first lifting plate (332), and the second lifting plate (342). When the first lifting plate (332) and the second lifting plate (342) are not in contact with the second flat plate (341) and the first flat plate (331), the rock mechanics property testing device can perform a shear stress test on the rock sample (4), and when the first lifting plate (332) and the second lifting plate (342) are in contact with the second flat plate (341) and the first flat plate (331), respectively, the rock mechanics property testing device can perform a horizontal compression test on the rock sample (4).

2. The rock mechanical properties testing device according to claim 1, characterized in that: A first sliding groove (3311) extending vertically therethrough and a first rotating chamber (3312) connected to the first sliding groove (3311) are provided at the free end of the first flat plate (331). The first lifting plate (332) is vertically inserted into the first sliding groove (3311). The first lifting power unit (333) is configured to be at least partially disposed inside the first rotating chamber (3312) and in contact with the first lifting plate (332) to drive the first lifting plate (332) to perform lifting operations in the longitudinal direction.

3. The rock mechanical properties testing device according to claim 2, characterized in that: The first lifting mechanism (33) includes a first U-shaped plate (334), and a second slide groove (3321) with an upper end opening and a third slide groove (3322) with a side opening are provided on the first lifting plate (332), the third slide groove (3322) is provided above the second slide groove (3321), and the second slide groove (3321) is connected to the third slide groove (3322), one end of the first U-shaped plate (334) is located inside the second slide groove (3321), and the other end is fixedly connected to the top surface of the first flat plate (331).

4. The rock mechanical properties testing device according to claim 3, characterized in that: The first lifting power unit (333) includes a first spur gear (3331) located inside the first rotating chamber (3312), and a first motor (3332) connected to the first spur gear (3331) via a first output end. A first tooth surface (3323) meshing with the first spur gear (3331) is provided on the side of the first lifting plate (332) in contact with the first spur gear (3331).

5. The rock mechanical properties testing device according to claim 1, characterized in that: A fourth sliding groove (3411) that passes through the upper and lower parts and a second rotating chamber (3412) that is connected to the fourth sliding groove (3411) are provided at the free end of the second flat plate (341). The second lifting plate (342) is vertically arranged in the fourth sliding groove (3411). The second lifting power unit (343) is constructed to be at least partially arranged inside the second rotating chamber (3412) and in contact with the second lifting plate (342) to drive the second lifting plate (342) to perform lifting operations in the longitudinal direction.

6. The rock mechanical properties testing device according to claim 5, characterized in that: The second lifting mechanism (34) includes a second U-shaped plate (344), and a fifth slide groove (3421) with an opening at the lower end and a sixth slide groove (3422) with an opening at the side are provided on the second lifting plate (342), the sixth slide groove (3422) is provided below the fifth slide groove (3421), and the fifth slide groove (3421) is connected to the sixth slide groove (3422), one end of the second U-shaped plate (344) is located inside the fifth slide groove (3421), and the other end is fixedly connected to the bottom surface of the second flat plate (341).

7. The rock mechanical properties testing device according to claim 6, characterized in that: The second lifting power unit (343) includes a second spur gear (3431) located inside the second rotating chamber (3412), and a second motor (3432) connected to the second spur gear (3431) via a second output end. A second tooth surface (3423) meshing with the second spur gear (3431) is provided on the side of the second lifting plate (342) in contact with the second spur gear (3431).

8. The rock mechanical properties testing device according to claim 1, characterized in that: A control chamber (11) is provided inside the base plate (1), and the height adjustment power unit (51) includes a third motor (511) provided at a side wall of the base plate (1), and a first bevel gear (512) provided inside the control chamber (11) and connected to the third motor (511) by a rotating shaft of the third motor (511) extending into the control chamber (11) through the side wall of the base plate (1).

9. The rock mechanical properties testing device according to claim 8, characterized in that: The transmission part (52) includes a first transmission assembly (521) arranged inside the control room (11); the power output part (53) includes a first power output assembly (531) partially arranged inside the control room (11) and partially extending from the upper surface of the base plate (1); and the first vertical beam (21) is sleeved on the first power output assembly (531).

10. The rock mechanical properties testing device according to claim 9, characterized in that: The first transmission assembly (521) includes a second bevel gear (5211) vertically meshed with the first bevel gear (512), a first transmission rod (5212) extending to the left from the second bevel gear (5211), and a third bevel gear (5213) arranged at the left end of the first transmission rod (5212). The first power output assembly (531) includes a first power output rod (5311) extending upward from the bottom of the control chamber (11), and a fourth bevel gear (5312) sleeved on the first power output rod (5311) and vertically meshed with the third bevel gear (5213). A first external thread that rotates clockwise or counterclockwise from bottom to top is provided on the upper side wall of the first power output rod (5311). The first vertical beam (21) is connected to the first power output rod (5311) via a first internal thread corresponding to the first external thread provided therein.

11. The rock mechanical properties testing device according to claim 10, characterized in that: The transmission part (52) includes a second transmission assembly (522) arranged inside the control room (11); the power output part (53) includes a second power output assembly (532) partially arranged inside the control room (11) and partially extending from the upper surface of the base plate (1); and the second vertical beam (22) is sleeved on the second power output assembly (532).

12. The rock mechanical properties testing device according to claim 11, characterized in that: The second transmission assembly (522) includes a fifth bevel gear (5221) vertically meshed with the first bevel gear (512), a second transmission rod (5222) extending to the right from the fifth bevel gear (5221), and a sixth bevel gear (5223) arranged at the right end of the second transmission rod (5222). The second power output assembly (532) includes a second power output rod (5321) extending upward from the bottom of the control chamber (11), and a seventh bevel gear (5322) sleeved on the second power output rod (5321) and vertically meshed with the sixth bevel gear (5223). A second external thread rotating counterclockwise or clockwise from bottom to top is provided on the upper side wall of the second power output rod (5321). The second vertical beam (22) is connected to the second power output rod (5321) via a second internal thread corresponding to the second external thread provided therein.

13. The rock mechanical properties testing device according to any one of claims 1 to 7, characterized in that: It comprises a support portion (6) arranged below the base plate (1) to support the base plate (1) off the ground.

14. The rock mechanical properties testing device according to claim 13, characterized in that: The invention comprises a vertical test part (7), wherein the vertical test part (7) comprises a first vertical test assembly (71) having one end arranged on the ground and the other end penetrating the bottom plate (1) and extending upward to a certain position below the horizontal test part (3); and a second vertical test assembly (72) arranged on a cantilever beam (211) extending horizontally to the right from the top of the first vertical beam (21) and extending downward to a certain position above the horizontal test part (3). The first vertical test assembly (71) and the second vertical test assembly (72) are configured to be capable of extension and contraction, thereby performing a vertical compression test on the rock sample (4) located between the horizontal test parts (3).

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