CN115979831B - Karst area side slope rock mass compressive strength test board and test method - Google Patents
Karst area side slope rock mass compressive strength test board and test method Download PDFInfo
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- CN115979831B CN115979831B CN202310257973.2A CN202310257973A CN115979831B CN 115979831 B CN115979831 B CN 115979831B CN 202310257973 A CN202310257973 A CN 202310257973A CN 115979831 B CN115979831 B CN 115979831B
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- 239000011435 rock Substances 0.000 title claims abstract description 122
- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 238000010998 test method Methods 0.000 title claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 13
- 238000007906 compression Methods 0.000 description 13
- 238000013459 approach Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 238000005096 rolling process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000003825 pressing Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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Abstract
The invention relates to a karst area side slope rock mass compressive strength test bench and a test method, relates to the technical field of rock mass strength test, and is used for solving the problem that the rock mass compressive strength test bench in the prior art needs to be manually completed in a plurality of steps in the test process and has low efficiency; comprising the following steps: the device comprises a working bench, a sample conveying mechanism, a horizontal loading mechanism, a sample positioning mechanism, a feeding mechanism and a sample identification mechanism. The working bench comprises a loading frame and a material table; the material table is provided with the sample conveying mechanism; the horizontal loading mechanism is fixedly arranged on the loading frame and is used for loading a rock mass sample; the feeding mechanism comprises a supporting frame, a linear motion assembly, a lifting assembly and a clamping assembly, wherein the lifting assembly is fixedly connected with the linear motion assembly, the linear motion assembly drives the lifting assembly to conduct linear motion, and the clamping assembly is fixedly arranged at the movable end of the lifting assembly.
Description
Technical Field
The invention relates to the technical field of rock mass strength testing, in particular to a karst area side slope rock mass compressive strength test board and a test method.
Background
The stability of the surface slope of the karst area mine influences the safety exploitation of the karst area mine, and the stability of rock mass is an important influence factor of the slope stability. Due to the influence of various factors such as geological structures, external environments and the like, unstable conditions such as cracks, sliding, collapse and the like of the rock mass can occur, so that serious threats are caused to activities such as mining, production and the like. Therefore, in order to ensure the production of mines and the safety of personnel, the research on the stability of the rock mass of the surface slope of the karst area mine is always a hot spot problem in the field of the karst area mine engineering; the compressive strength of rock mass is an important factor affecting the stability of the rock mass of the open-pit slope of a karst region mine.
The compression strength test of the slope rock mass is carried out by using a rock mass compression strength test bench, and a large number of rock mass samples are required to be collected and repeated tests are carried out when the compression strength test is carried out on the rock mass of the slope rock mass in the open pit of the karst area mine. In a traditional compressive strength test bench, the loading process is vertical loading, a rock mass is placed on a test bench surface, and loading equipment loads a rock mass sample from top to bottom until the sample is destroyed. After the test is finished, rock residues on the table top are required to be cleaned manually, and the next sample to be tested is placed on the test bench manually after the cleaning is finished. Before each test, the tester confirms the rock mass number and records the rock mass number together with the test data. Many steps of the whole testing process are manually completed, efficiency is low, and when batch tests are needed, the consumed time cost and labor cost are high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a karst area side slope rock mass compressive strength test bench and a test method, which are used for solving the problems that the karst area side slope rock mass compressive strength test bench in the prior art needs to be manually completed in a plurality of steps in the test process and has low efficiency.
In order to achieve the above purpose, the invention provides a karst area side slope rock mass compressive strength test bench, comprising: the device comprises a working bench, a sample conveying mechanism, a horizontal loading mechanism, a sample positioning mechanism, a feeding mechanism and a sample identification mechanism.
The working bench comprises a loading frame and a material platform, and the loading frame is fixedly connected with the material platform; the material table is provided with the sample conveying mechanism; the horizontal loading mechanism is fixedly arranged on the loading frame and is used for loading a rock mass sample; the sample positioning mechanism is fixedly connected with the loading frame and is used for limiting and fixing the rock mass sample; the feeding mechanism comprises a supporting frame, a linear motion assembly, a lifting assembly and a clamping assembly, wherein the supporting frame is fixedly connected with the material table, the linear motion assembly is fixedly arranged on the supporting frame, the lifting assembly is fixedly connected with the linear motion assembly, the lifting assembly is driven to do linear motion through the linear motion assembly, and the clamping assembly is fixedly arranged at the movable end of the lifting assembly; the clamping assembly is used for grabbing a rock mass sample on the sample conveying mechanism; the rock mass sample is provided with identification information, and the sample identification mechanism is used for identifying the identification information.
The horizontal loading mechanism provides loading pressure in the horizontal direction when the rock mass sample is subjected to compressive strength test. After the compression damage of the rock mass sample, the sample residues directly fall, the whole test bed does not need to be cleaned, a new test can be performed, the automation degree is high, and manpower and material resources are saved.
Optionally, the sample positioning mechanism includes a first stopper, a second stopper, a first slider, a second slider, a first guide rod, a first screw rod, and a first motor.
The first motor is fixedly connected with the loading frame, the first screw rod is rotationally connected with the loading frame, the first screw rod is coaxially and fixedly connected with an output shaft of the motor, the screw rod comprises a forward thread section and a reverse thread section, the first guide rod is fixedly connected with the loading frame, and the first screw rod is parallel to the first guide rod; the first slider with the second slider all with guide arm sliding fit, first slider with positive screw thread section screw thread fit, the second slider with reverse screw thread section screw thread fit, first stopper with first slider fixed connection, the second stopper with second slider fixed connection, first stopper with the second stopper symmetry is the V-arrangement setting.
The first motor drives the first screw rod to rotate, the first sliding block and the second sliding block move in opposite directions under the drive of the screw rod, and the rock mass sample is placed in a V-shaped groove formed by the first limiting block and the second limiting block; in the loading process of the horizontal loading mechanism, the first limiting block and the second limiting block move back to back, and the first limiting block, the second limiting block and the rock mass sample are separated. And after the horizontal loading mechanism is loaded, the rock mass sample residues automatically fall into a lower end waste collection frame. And meanwhile, before the compression loading is carried out on the rock mass sample, the sample identification mechanism identifies the rock mass sample, so that the trouble of manual recording is omitted.
Optionally, the horizontal loading mechanism comprises a jack, a bearing plate and a pressurizing plate; the jack with loading frame fixed connection, the bearing plate with loading frame fixed connection, the pressure plate passes through pressure sensor fixed connection the jack advances the end, the bearing plate with the opposite setting of pressure plate.
During compressive strength test, the rock mass sample is located between the bearing plate and the pressurizing plate, a displacement sensor is arranged on the horizontal loading mechanism, displacement of the pressurizing plate in the loading process can be recorded, namely deformation of the rock mass sample compressive engineering is obtained, and the pressure sensor records the pressure applied by the pressurizing plate in the loading process.
Optionally, the linear motion assembly includes a linear guide rail, a second screw rod, a linear slider, and a second motor.
The linear guide rail is fixedly connected with the support frame, the second screw rod is rotationally connected with the support frame, the linear slide block is in sliding fit with the linear guide rail, the second screw rod is parallel to the linear guide rail, the linear slide block is in threaded fit with the second screw rod, and the lifting assembly is fixedly connected with the linear slide block.
The second motor drives the second screw rod to rotate, and in the rotating process of the second screw rod, the linear sliding block slides along the linear guide rail, so that the lifting assembly is driven to do linear motion. And the screw rod is adopted for transmission, so that the positioning precision is high and the operation is reliable.
Optionally, the lifting assembly comprises a first telescopic member, the cylinder body of the first telescopic member is fixedly connected with the linear sliding block, the extension direction of the first telescopic member is perpendicular to the sliding direction of the sliding block, and the clamping assembly is fixedly arranged at the telescopic end of the first telescopic member.
Optionally, the clamping assembly comprises a mounting frame, a second telescopic piece, a third telescopic piece, a fixed clamping plate, a movable clamping plate, a clamping sliding block and a second guide rod.
The mounting bracket is fixed the flexible end of first extensible member, fixed splint with mounting bracket fixed connection, the second guide arm with mounting bracket fixed connection, the centre gripping slider with second guide arm sliding fit, the second extensible member with installation fixed connection, the flexible end of second extensible member with centre gripping slider fixed connection, the spout has been seted up on the centre gripping slider, movable splint with spout sliding fit, the sliding splint with the movable splint opposition sets up, the third extensible member with mounting bracket fixed connection, the movable splint is fixed the expansion end of third extensible member.
The movable clamp plate is driven to move downwards through the third telescopic piece until the bottom end of the movable clamp plate is flush with the fixed clamp plate, the rock mass sample is positioned between the movable clamp plate and the fixed clamp plate, and the second telescopic piece drives the movable clamp plate to approach the fixed clamp plate, so that the rock mass sample is clamped. When the lifting component and the linear motion component drive the rock mass sample to be placed between the first limiting block and the second limiting block, the third telescopic piece drives the movable clamping plate to move upwards until the movable clamping plate and the rock mass sample are separated, the linear motion component drives the fixed clamping plate to move towards the direction of the rock mass sample, and the fixed clamping plate tightly presses and sticks the rock mass sample on the bearing plate.
Optionally, the sample conveying mechanism includes conveyer belt and sample fixed strip, the conveyer belt fixed mounting is in on the material platform, the sample fixed strip with conveyer belt fixed connection, a plurality of sample fixed strip parallel arrangement. The rock mass is placed on two of the sample fixing bars to prevent rolling thereof.
Optionally, the sample identifying mechanism comprises a code scanner, the code scanner is fixedly connected with the material platform, and the code scanner is opposite to the conveyor belt. And after the rock mass sample is subjected to code scanning, carrying out compression-resistant mild test on the rock mass sample, and carrying out related data after compression strength test is finished and then carrying out processing and storage by the processor.
The invention provides a karst area side slope rock mass compressive strength testing method, which comprises the following steps of;
an information identification step: placing a rock mass sample on the sample conveying mechanism, and identifying marking information on the rock mass sample by the sample identifying mechanism when the rock mass sample passes through the sample identifying mechanism, wherein the marking information comprises rock types, acquisition places, sample shapes and sample outline dimensions;
sample clamping: the clamping assembly clamps a rock mass sample on the sample conveying mechanism, the lifting assembly drives the rock mass sample to rise and separate from the sample conveying mechanism, the linear motion assembly drives the rock mass sample to move above the sample positioning mechanism, the lifting assembly descends, and when the rock mass sample contacts with the sample positioning mechanism, the clamping assembly is loosened and returns to an initial position;
loading: the horizontal loading mechanism loads the rock mass sample until the rock mass sample is completely destroyed, and a pressure sensor and a displacement sensor on the horizontal loading mechanism record pressure change and displacement change in the loading process.
After the test of the sample is finished, the test table surface is not cleaned manually, and the next test of the sample can be performed. The test efficiency is high; the whole compression-resistant testing process is high in automation degree.
Drawings
FIG. 1 is a schematic diagram of a perspective structure of a karst region side slope rock mass compressive strength test bench according to an embodiment of the invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of a perspective view of another karst region slope rock compressive strength test bench according to an embodiment of the invention;
FIG. 4 is an enlarged view of portion B of FIG. 3 in accordance with an embodiment of the present invention;
fig. 5 is a bottom view of a karst region side slope rock mass compressive strength test stand of an embodiment of the invention.
Detailed Description
Specific embodiments of the invention will be described in detail below, it being noted that the embodiments described herein are for illustration only and are not intended to limit the invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the invention. In other instances, well-known circuits, software, or methods have not been described in detail in order not to obscure the invention.
Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an embodiment," "one example," or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale.
Referring to fig. 1-3, the invention provides an embodiment of a karst region side slope rock mass compressive strength test bench and a test method, wherein the embodiment comprises a working bench 1, a sample conveying mechanism 2, a horizontal loading mechanism 3, a sample positioning mechanism 4, a feeding mechanism 5 and a sample identifying mechanism 6.
The workbench frame 1 comprises a loading frame 101 and a material table 102, and the loading frame 101 is fixedly connected with the material table 102; the material table 102 is provided with the sample conveying mechanism 2; the horizontal loading mechanism 3 is fixedly arranged on the loading frame 101, and the horizontal loading mechanism 3 is used for loading the rock mass sample 10; the sample positioning mechanism 4 is fixedly connected with the loading frame 101, and the sample positioning mechanism 4 is used for limiting and fixing the rock mass sample 10; the feeding mechanism 5 comprises a supporting frame 54, a linear motion assembly 53, a lifting assembly 52 and a clamping assembly 51, wherein the supporting frame 54 is fixedly connected with the material table 102, the linear motion assembly 53 is fixedly installed on the supporting frame 54, the lifting assembly 52 is fixedly connected with the linear motion assembly 53, the lifting assembly 52 is driven to linearly move by the linear motion assembly 53, and the clamping assembly 51 is fixedly arranged at the movable end of the lifting assembly 52; the clamping assembly 51 is used for grabbing a rock mass sample 10 on the sample conveying mechanism 2; the rock mass sample 10 is provided with identification information, and the sample identification means 6 is adapted to identify the identification information.
The horizontal loading mechanism 3 provides loading pressure in the horizontal direction when the rock mass specimen 10 is subjected to a compressive strength test. After the compression damage of the rock mass sample 10, the sample residues directly fall, the whole test bed does not need to be cleaned, a new test can be performed, the automation degree is high, and manpower and material resources are saved.
In this embodiment, referring to fig. 1 to 5, the sample positioning mechanism 4 includes a first limiting block 402, a second limiting block 403, a first slider 404, a second slider 405, a first guide rod 407, a first screw 406, and a first motor 401.
The first motor 401 is fixedly connected with the loading frame 101, the first screw rod 406 is rotatably connected with the loading frame 101, the first screw rod 406 is coaxially and fixedly connected with an output shaft of the first motor 401, the first screw rod 406 comprises a positive rotation thread section and a negative rotation thread section, the first guide rod 407 is fixedly connected with the loading frame 101, and the first screw rod 406 is parallel to the first guide rod 407; the first slider 404 with the second slider 405 all with guide arm sliding fit, first slider 404 with the screw thread section screw thread fit of just screwing, second slider 405 with the screw thread section screw thread fit of wrong screwing, first stopper 402 with first slider 404 fixed connection, second stopper 403 with second slider 405 fixed connection, first stopper 402 with second stopper 403 symmetry is the V-arrangement.
The first motor 401 drives the first screw rod 406 to rotate, the first sliding block 404 and the second sliding block 405 are driven by the screw rod to move in opposite directions, and the rock mass sample 10 is placed in a V-shaped groove formed by the first limiting block 402 and the second limiting block 403; during the loading process of the horizontal loading mechanism 3, the first limiting block 402 and the second limiting block 403 move oppositely, and the first limiting block 402, the second limiting block 403 and the rock mass sample 10 are separated. When the horizontal loading mechanism 3 is loaded, the residues of the rock mass sample 10 automatically fall into the lower end waste collection frame 7. And meanwhile, before the compression loading is carried out on the rock mass sample 10, the sample identification mechanism 6 identifies the rock mass sample 10, so that the trouble of manual recording is omitted.
In this embodiment, referring to fig. 1 to 5, the horizontal loading mechanism 3 includes a jack 301, a bearing plate 303, and a pressing plate 302; the jack 301 is fixedly connected with the loading frame 101, the bearing plate 303 is fixedly connected with the loading frame 101, the pressurizing plate 302 is fixedly connected with the jacking end of the jack 301 through a pressure sensor, and the bearing plate 303 and the pressurizing plate 302 are oppositely arranged.
During compressive strength test, the rock mass sample 10 is located between the pressure bearing plate 303 and the pressure plate 302, and the horizontal loading mechanism 3 is provided with a displacement sensor, so that displacement of the pressure plate 302 in the loading process can be recorded, namely deformation of the compressive engineering of the rock mass sample 10 is recorded, and the pressure sensor records the pressure applied by the pressure plate 302 in the loading process.
In this embodiment, referring to fig. 1, the linear motion assembly 53 includes a linear guide 532, a second screw 531, a linear slider 533, and a second motor 534.
The linear guide 532 is fixedly connected with the support frame 54, the second screw 531 is rotatably connected with the support frame 54, the linear slider 533 is in sliding fit with the linear guide 532, the second screw 531 is parallel to the linear guide 532, the linear slider 533 is in threaded fit with the second screw 531, and the lifting assembly 52 is fixedly connected with the linear slider 533.
The second motor 534 drives the second screw mandrel 531 to rotate, and the linear slider 533 slides along the linear guide rail 532 during the rotation of the second screw mandrel 531, so as to drive the lifting assembly 52 to perform a linear motion. And the screw rod is adopted for transmission, so that the positioning precision is high and the operation is reliable.
In this embodiment, referring to fig. 1 and 2, the lifting assembly 52 includes a first telescopic member 521, a cylinder of the first telescopic member 521 is fixedly connected to the linear slider 533, the direction of extension and retraction of the first telescopic member 521 is perpendicular to the sliding direction of the slider, and the clamping assembly 51 is fixedly disposed at the extension end of the first telescopic member 521.
In this embodiment, referring to fig. 1 and 2, the clamping assembly 51 includes a mounting frame 501, a second telescopic member 502, a third telescopic member 503, a fixed clamping plate 504, a movable clamping plate 505, a clamping slider 506 and a second guide rod 507.
The mounting bracket 501 is fixed the flexible end of first extensible member 521, fixed splint 504 with mounting bracket 501 fixed connection, second guide arm 507 with mounting bracket 501 fixed connection, centre gripping slider 506 with second guide arm 507 sliding fit, second extensible member 502 with installation fixed connection, the flexible end of second extensible member 502 with centre gripping slider 506 fixed connection, the spout has been seted up on the centre gripping slider 506, movable splint 505 with spout sliding fit, the slip splint with movable splint 505 opposition sets up, third extensible member 503 with mounting bracket 501 fixed connection, movable splint 505 is fixed the expansion end of third extensible member 503.
The movable clamping plate 505 is driven to move downwards through the third telescopic piece 503 until the bottom end of the movable clamping plate 505 is flush with the fixed clamping plate 504, the rock mass sample 10 is located between the movable clamping plate 505 and the fixed clamping plate 504, and the second telescopic piece 502 drives the movable clamping plate 505 to approach the fixed clamping plate 504, so that the rock mass sample 10 is clamped. When the lifting assembly 52 and the linear motion assembly 53 drive the rock mass sample 10 to be placed between the first limiting block 402 and the second limiting block 403, the third telescopic member 503 drives the movable clamping plate 505 to move upwards until the movable clamping plate 505 is separated from the rock mass sample 10, the linear motion assembly 53 drives the fixed clamping plate 504 to move towards the direction of the rock mass sample 10, and the fixed clamping plate 504 tightly presses the rock mass sample 10 against the bearing plate 303.
In this embodiment, referring to fig. 3, the sample conveying mechanism 2 includes a conveyor belt 201 and a sample fixing strip 202, where the conveyor belt 201 is fixedly mounted on the material table 102, the sample fixing strip 202 is fixedly connected to the conveyor belt 201, and a plurality of sample fixing strips 202 are arranged in parallel. The rock mass is placed on two of the sample holders 202, preventing it from rolling.
In this embodiment, referring to fig. 1, the sample recognition mechanism 6 includes a code scanner, which is fixedly connected to the material table 102, and the code scanner faces the conveyor 201. After the rock mass sample 10 is manufactured, information of the rock mass sample 10 is input and then a two-dimensional code is generated, the two-dimensional code is attached to the corresponding rock mass sample 10, when the rock mass sample 10 passes through the code scanner, the information of the rock mass sample 10 is read and is transmitted to the processor, when the rock mass sample 10 finishes the code scanning, the compression-resistant mild test is carried out on the rock mass sample 10, and related data after the compression strength test is finished is transmitted to the processor for processing and storage.
The invention provides a karst area side slope rock mass compressive strength testing method, which comprises the following steps of;
an information identification step: placing a rock mass sample 10 on the sample conveying mechanism 2, wherein when the rock mass sample 10 passes through the sample identifying mechanism 6, the sample identifying mechanism 6 identifies marking information on the rock mass sample 10, wherein the marking information comprises rock type, acquisition place, sample shape and sample overall dimension;
sample clamping: the clamping assembly 51 clamps the rock mass sample 10 on the sample conveying mechanism 2, the lifting assembly 52 drives the rock mass sample 10 to lift and separate from the sample conveying mechanism 2, the linear motion assembly 53 drives the rock mass sample 10 to move above the sample positioning mechanism 4, the lifting assembly 52 descends, and when the rock mass sample 10 contacts with the sample positioning mechanism 4, the clamping assembly 51 is loosened and returns to an initial position;
loading: the horizontal loading mechanism 3 loads the rock mass sample 10 until the rock mass sample 10 is completely destroyed, and a pressure sensor and a displacement sensor on the horizontal loading mechanism 3 record pressure change and displacement change in the loading process.
After the test of the sample is finished, the test table surface is not cleaned manually, and the next test of the sample can be performed. The test efficiency is high; the whole compression-resistant testing process is high in automation degree.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (6)
1. Karst district side slope rock mass compressive strength testboard, its characterized in that includes:
the working bench is provided with a working table frame,
the working bench comprises a loading frame and a material platform, and the loading frame is fixedly connected with the material platform; a sample conveying mechanism is arranged on the material table;
a horizontal loading mechanism is arranged on the upper surface of the horizontal loading mechanism,
the horizontal loading mechanism is fixedly arranged on the loading frame and is used for loading a rock mass sample;
a sample positioning mechanism, a sample positioning device and a sample positioning device,
the sample positioning mechanism is fixedly connected with the loading frame and is used for limiting and fixing the rock mass sample;
the feeding mechanism is arranged on the upper part of the feeding mechanism,
the feeding mechanism comprises a supporting frame, a linear motion assembly, a lifting assembly and a clamping assembly, wherein the supporting frame is fixedly connected with the material table, the linear motion assembly is fixedly arranged on the supporting frame, the lifting assembly is fixedly connected with the linear motion assembly, the lifting assembly is driven to do linear motion through the linear motion assembly, and the clamping assembly is fixedly arranged at the movable end of the lifting assembly; the clamping assembly is used for grabbing a rock mass sample on the sample conveying mechanism;
a sample recognition mechanism, which is used for recognizing the sample,
the rock mass sample is provided with identification information, and the sample identification mechanism is used for identifying the identification information;
the sample positioning mechanism comprises a first limiting block, a second limiting block, a first sliding block, a second sliding block, a first guide rod, a first screw rod and a first motor;
the first motor is fixedly connected with the loading frame, the first screw rod is rotationally connected with the loading frame, the first screw rod is coaxially and fixedly connected with an output shaft of the motor, the screw rod comprises a forward thread section and a reverse thread section, the first guide rod is fixedly connected with the loading frame, and the first screw rod is parallel to the first guide rod; the first sliding block and the second sliding block are in sliding fit with the guide rod, the first sliding block is in threaded fit with the positive-rotation threaded section, the second sliding block is in threaded fit with the negative-rotation threaded section, the first limiting block is fixedly connected with the first sliding block, the second limiting block is fixedly connected with the second sliding block, and the first limiting block and the second limiting block are symmetrically arranged in a V shape;
the linear motion assembly comprises a linear guide rail, a second screw rod, a linear sliding block and a second motor;
the linear guide rail is fixedly connected with the support frame, the second screw rod is rotationally connected with the support frame, the linear slide block is in sliding fit with the linear guide rail, the second screw rod is parallel to the linear guide rail, the linear slide block is in threaded fit with the second screw rod, and the lifting assembly is fixedly connected with the linear slide block;
the lifting assembly comprises a first telescopic piece, the cylinder body of the first telescopic piece is fixedly connected with the linear sliding block, the extending direction of the first telescopic piece is perpendicular to the sliding direction of the sliding block, and the clamping assembly is fixedly arranged at the telescopic end of the first telescopic piece;
the clamping assembly comprises a mounting frame, a second telescopic piece, a third telescopic piece, a fixed clamping plate, a movable clamping plate, a clamping sliding block and a second guide rod;
the mounting bracket is fixed the flexible end of first extensible member, fixed splint with mounting bracket fixed connection, the second guide arm with mounting bracket fixed connection, the centre gripping slider with second guide arm sliding fit, the second extensible member with installation fixed connection, the flexible end of second extensible member with centre gripping slider fixed connection, the spout has been seted up on the centre gripping slider, movable splint with spout sliding fit, fixed splint with movable splint opposition sets up, the third extensible member with mounting bracket fixed connection, movable splint is fixed the expansion end of third extensible member.
2. The karst region side slope rock mass compressive strength test stand of claim 1, wherein: the horizontal loading mechanism comprises a jack, a bearing plate and a pressurizing plate;
the jack with loading frame fixed connection, the bearing plate with loading frame fixed connection, the pressure plate passes through pressure sensor fixed connection the jack advances the end, the bearing plate with the opposite setting of pressure plate.
3. The karst region side slope rock mass compressive strength test stand of claim 1, wherein: the sample conveying mechanism comprises a conveying belt and sample fixing strips, wherein the conveying belt is fixedly arranged on the material table, the sample fixing strips are fixedly connected with the conveying belt, and a plurality of sample fixing strips are arranged in parallel.
4. A karst region side slope rock mass compressive strength test bench according to claim 3, wherein: the sample recognition mechanism comprises a code scanner, the code scanner is fixedly connected with the material table, and the code scanner is opposite to the conveyor belt.
5. The karst region side slope rock mass compressive strength test stand of claim 1, wherein: a waste collection frame is also included, the waste collection frame being positioned below the horizontal loading mechanism.
6. A karst area side slope rock mass compressive strength test method, which is suitable for the karst area side slope rock mass compressive strength test bench according to any one of claims 1-5, and is characterized by comprising the following steps:
an information identification step:
placing a rock mass sample on the sample conveying mechanism, and identifying marking information on the rock mass sample by the sample identifying mechanism when the rock mass sample passes through the sample identifying mechanism, wherein the marking information comprises rock types, acquisition places, sample shapes and sample outline dimensions;
sample clamping:
the clamping assembly clamps a rock mass sample on the sample conveying mechanism, the lifting assembly drives the rock mass sample to rise and separate from the sample conveying mechanism, the linear motion assembly drives the rock mass sample to move above the sample positioning mechanism, the lifting assembly descends, and when the rock mass sample contacts with the sample positioning mechanism, the clamping assembly is loosened and returns to an initial position;
loading:
the horizontal loading mechanism loads the rock mass sample until the rock mass sample is completely destroyed, and a pressure sensor and a displacement sensor on the horizontal loading mechanism record pressure change and displacement change in the loading process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310257973.2A CN115979831B (en) | 2023-03-17 | 2023-03-17 | Karst area side slope rock mass compressive strength test board and test method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310257973.2A CN115979831B (en) | 2023-03-17 | 2023-03-17 | Karst area side slope rock mass compressive strength test board and test method |
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| CN115979831A CN115979831A (en) | 2023-04-18 |
| CN115979831B true CN115979831B (en) | 2023-12-01 |
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Citations (12)
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