Rock uniaxial compression test device and construction method thereof

Abstract

The invention discloses a rock uniaxial compression test device and a construction method thereof, and relates to the field of rock test equipment. The device comprises a test box, a hydraulic telescopic rod is arranged at the top of an inner cavity of the test box, a single-shaft compression rod is arranged at the bottom of the hydraulic telescopic rod, a protection assembly is arranged on the side face of an output shaft of the hydraulic telescopic rod, a rack is arranged at the top of the inner cavity of the test box, and the rack is matched with the protection assembly; the side face of an output shaft of the hydraulic telescopic rod is rotationally matched with a cleaning assembly, the cleaning assembly is matched with the protection assembly, inserting grooves are formed in the two sides of an inner cavity of the test box, protection bases are arranged in the inserting grooves in a sliding fit mode, mounting grooves are formed in the side faces of the inserting grooves, and fixing assemblies are arranged in the mounting grooves. By arranging the cleaning assembly, dust on the inner surface of the protection assembly can be cleaned before and after a test, the dust can be effectively prevented from being attached to the interior of the protection assembly to block sight lines, and the rock test observation definition is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of rock testing equipment, and in particular to a rock uniaxial compression testing device and a construction method thereof. Background Art

[0002] Chinese invention patent: CN205280497U, discloses a rock uniaxial compression test device and its construction method, which consists of a base, a glass cover and an observation system. The base is disc-shaped, and its upper surface is provided with an annular groove; the glass cover is an inverted barrel-shaped, and its diameter matches the annular groove on the base, and its top center is provided with a circular hole, and the bottom is open; the observation system includes a high-definition camera and an LED light, which are arranged inside the glass cover and connected to the base through a metal shaped hose. The device can not only prevent rock bursts from injuring people during test loading, but also realize simultaneous observation of the inside and outside of the surface cracks, thereby improving the work quality of the surface crack extension test under uniaxial conditions;

[0003] Although the above patent solves the problem of rock burst injuring people during test loading by providing a glass cover on the rock, during the rock test, the rock burst will generate dust, which is easy to adhere to the inside of the glass cover, causing the dust to block the glass cover, thereby affecting observation and recording.

[0004] Therefore, we made improvements to this and proposed a rock uniaxial compression test device and its construction method. Summary of the invention

[0005] The purpose of the present invention is that although the problem of rock burst injuring people during test loading is solved by providing a glass cover on the rock, during the rock test, the rock burst will generate dust, and the dust is easy to adhere to the inside of the glass cover, causing the dust to block the glass cover, thereby affecting observation and recording.

[0006] In order to achieve the above-mentioned object of the invention, the present invention provides the following technical solutions:

[0007] A rock uniaxial compression test device and a construction method thereof are provided to improve the above problems.

[0008] The specific application is as follows:

[0009] It includes: a test box, a hydraulic telescopic rod is installed on the top of the inner cavity of the test box, a uniaxial compression rod is installed on the bottom of the hydraulic telescopic rod, a protective component is installed on the side of the output shaft of the hydraulic telescopic rod, a rack is installed on the top of the inner cavity of the test box, the rack cooperates with the protective component, the side of the output shaft of the hydraulic telescopic rod is rotatably cooperated with a cleaning component, the cleaning component cooperates with the protective component, slots are opened on both sides of the inner cavity of the test box, a protective base is slidably cooperated in the slot, an installation groove is opened on the side of the slot, and a fixing component is arranged in the installation groove.

[0010] By setting up the cleaning component, the dust on the inner surface of the protection component can be cleaned before and after the test, which can effectively prevent the dust from adhering to the inside of the protection component and blocking the line of sight, thus ensuring the clarity of rock test observation.

[0011] As a preferred embodiment of the rock uniaxial compression test device and its construction method provided by the present invention, the protective component includes a connecting shell installed on the side of the output shaft of the hydraulic telescopic rod, a glass cover is installed at the bottom of the connecting shell, a fixed plate is installed on the top of the glass cover, a worm is rotatably matched in the connecting shell, one end of the worm is rotatably connected to the side of the fixed plate, the side of the fixed plate is rotatably matched with a rotating rod, a gear is installed on the side of the rotating rod, the gear and the rack are meshed with each other, the rotating rod and the worm are both equipped with synchronous wheels, a synchronous belt is sleeved on the synchronous wheel, and the worm cooperates with the cleaning component.

[0012] As a preferred embodiment of the rock uniaxial compression test device and its construction method provided by the present invention, the cleaning assembly includes a rotating ring rotatably engaged with the side of the output shaft of the hydraulic telescopic rod, a worm gear is installed on the side of the rotating ring, the worm and the worm gear are meshed with each other, and a cleaning scraper is installed on the side of the rotating ring.

[0013] As a preferred embodiment of the rock uniaxial compression test device and the construction method thereof provided by the present invention, the cleaning scraper is tightly fitted with the connecting shell, and a cleaning sponge is installed on the fitting surface of the cleaning scraper and the connecting shell.

[0014] As a preferred embodiment of the rock uniaxial compression test device and construction method provided by the present invention, the protective base includes a bottom plate slidingly fitted in a slot, a protective plate is installed on the top of the bottom plate, and a handle is installed on the side of the bottom plate.

[0015] As a preferred embodiment of the rock uniaxial compression test device and its construction method provided by the present invention, the fixed assembly includes a sliding block that is slidably fitted in the installation groove, a triangular block is installed on one side of the sliding block, a pull rod is installed on the other side of the sliding block, a pull plate is installed at one end of the pull rod located outside the test box, the pull rod is movably connected to the test box, and a spring is installed between the sliding block and the installation groove.

[0016] A construction method of a rock uniaxial compression test device, comprising the rock uniaxial compression test device described above, is specifically performed as follows:

[0017] When in use, the rock specimen is placed in the protective plate on the bottom plate, and then the hydraulic telescopic rod is controlled to extend, so that the hydraulic telescopic rod drives the glass cover to move downward, and drives the uniaxial compression rod to move downward at the same time, and the glass cover will cover the rock specimen, and the rock specimen is pressed down by the uniaxial compression rod, and then the cracks generated on the surface of the rock specimen are observed and recorded, and the rock specimen is covered by the glass cover to prevent the splashed fragments from splashing out. After the rock specimen is squeezed, the hydraulic telescopic rod is controlled to shrink, and the glass cover and the uniaxial compression rod are driven to move upward and reset; at the same time, when the glass cover rises or falls, under the action of the rack, the gear rotates, the gear rotates and the rotating rod rotates, the rotating rod rotates and drives the worm to rotate through the synchronous belt and the synchronous wheel, the worm rotates and drives the worm wheel to rotate, the worm wheel rotates and drives the rotating ring to rotate, and the rotating ring rotates and drives the cleaning scraper to clean the inner side of the glass cover, so that the dust on the inner surface of the glass cover can be cleaned before and after the test, which can effectively prevent dust from adhering to the inside of the glass cover to block the line of sight, and ensure the clarity of rock test observation.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The cleaning component of the present invention can clean the dust on the inner surface of the protection component before and after the test, which can effectively prevent the dust from adhering to the inside of the protection component to block the line of sight, thereby ensuring the clarity of rock test observation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional structural schematic diagram of a rock uniaxial compression test device and a construction method thereof provided in this application;

[0021] Figure 2 A schematic diagram of the cross-sectional structure of the test box of the rock uniaxial compression test device and its construction method provided in this application;

[0022] Figure 3 A schematic diagram of the hydraulic telescopic rod structure of the rock uniaxial compression test device and its construction method provided in this application;

[0023] Figure 4A schematic diagram of the structure of the protective components of the rock uniaxial compression test device and its construction method provided in this application;

[0024] Figure 5 A schematic diagram of the cleaning component structure of the rock uniaxial compression test device and its construction method provided in this application;

[0025] Figure 6 A schematic diagram of the rack structure of the rock uniaxial compression test device and its construction method provided in this application;

[0026] Figure 7 A schematic diagram of the protective base structure of the rock uniaxial compression test device and its construction method provided in this application;

[0027] Figure 8 For this application Figure 2 Enlarged view of point A.

[0028] Indicated in the figure:

[0029] 1. Test box; 11. Rack; 12. Slot; 13. Mounting slot; 2. Hydraulic telescopic rod; 3. Single-axis compression rod; 4. Protection assembly; 401. Connecting shell; 402. Glass cover; 403. Worm; 404. Fixed plate; 405. Synchronous wheel; 406. Rotating rod; 407. Gear; 408. Synchronous belt; 5. Cleaning assembly; 501. Rotating ring; 502. Worm wheel; 503. Cleaning scraper; 6. Protection base; 601. Bottom plate; 602. Handle; 603. Protection plate; 7. Fixed assembly; 701. Sliding block; 702. Triangular block; 703. Pull rod; 704. Spring; 705. Pull plate. DETAILED DESCRIPTION

[0030] To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.

[0031] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention claimed for protection, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0032] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0033] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0034] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the invention product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0035] As in the background art, although the problem of rock burst injuring people during test loading is solved by providing a glass cover on the rock, during the rock test, the rock burst will generate dust, and the dust is easy to adhere to the inside of the glass cover, causing the dust to block the glass cover, thereby affecting observation and recording.

[0036] In order to solve this technical problem, the present invention provides a rock uniaxial compression test device and a construction method thereof.

[0037] Specifically, please refer to Figure 1-8 The rock uniaxial compression test device and the construction method thereof specifically include: a test box 1, a hydraulic telescopic rod 2 is installed on the top of the inner cavity of the test box 1, a uniaxial compression rod 3 is installed on the bottom of the hydraulic telescopic rod 2, a protective component 4 is installed on the side of the output shaft of the hydraulic telescopic rod 2, a rack 11 is installed on the top of the inner cavity of the test box 1, the rack 11 cooperates with the protective component 4, the side of the output shaft of the hydraulic telescopic rod 2 is rotatably cooperated with a cleaning component 5, the cleaning component 5 cooperates with the protective component 4, slots 12 are opened on both sides of the inner cavity of the test box 1, a protective base 6 is slidably fitted in the slot 12, an installation groove 13 is opened on the side of the slot 12, and a fixing component 7 is arranged in the installation groove 13.

[0038] By setting up the cleaning component 5, the dust on the inner surface of the protection component 4 can be cleaned before and after the test, which can effectively prevent the dust from adhering to the inside of the protection component 4 to block the line of sight, thereby ensuring the clarity of the rock test observation.

[0039] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0040] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0041] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0042] Please refer to Figure 1-8 A rock uniaxial compression test device and a construction method thereof, comprising: a test box 1, a hydraulic telescopic rod 2 is installed on the top of the inner cavity of the test box 1, a uniaxial compression rod 3 is installed on the bottom of the hydraulic telescopic rod 2, a protective component 4 is installed on the side of the output shaft of the hydraulic telescopic rod 2, a rack 11 is installed on the top of the inner cavity of the test box 1, the rack 11 cooperates with the protective component 4, a cleaning component 5 is rotatably cooperated with the side of the output shaft of the hydraulic telescopic rod 2, the cleaning component 5 cooperates with the protective component 4, slots 12 are opened on both sides of the inner cavity of the test box 1, a protective base 6 is slidably fitted in the slot 12, an installation groove 13 is opened on the side of the slot 12, and a fixing component 7 is arranged in the installation groove 13.

[0043] The protection component 4 includes a connecting shell 401 installed on the side of the output shaft of the hydraulic telescopic rod 2, a glass cover 402 is installed at the bottom of the connecting shell 401, a fixed plate 404 is installed on the top of the glass cover 402, a worm 403 is rotatably matched in the connecting shell 401, one end of the worm 403 is rotatably connected to the side of the fixed plate 404, a rotating rod 406 is rotatably matched on the side of the fixed plate 404, a gear 407 is installed on the side of the rotating rod 406, the gear 407 is meshed with the rack 11, a synchronous wheel 405 is installed on the rotating rod 406 and the worm 403, a synchronous belt 408 is sleeved on the synchronous wheel 405, and the worm 403 cooperates with the cleaning component 5.

[0044] The cleaning assembly 5 includes a rotating ring 501 rotatably fitted on the side of the output shaft of the hydraulic telescopic rod 2, a worm gear 502 is installed on the side of the rotating ring 501, the worm 403 and the worm gear 502 are meshed with each other, and a cleaning scraper 503 is installed on the side of the rotating ring 501.

[0045] The cleaning scraper 503 is tightly fitted with the connecting shell 401 , and a cleaning sponge is installed on the fitting surface of the cleaning scraper 503 and the connecting shell 401 .

[0046] The protective base 6 includes a bottom plate 601 that slides into the slot 12, a protective plate 603 is mounted on the top of the bottom plate 601, and a handle 602 is mounted on the side of the bottom plate 601; the bottom plate 601 can be pulled out by pulling the handle 602, thereby facilitating cleaning of the inside of the protective plate 603.

[0047] The fixing assembly 7 includes a sliding block 701 which is slidably fitted in the mounting groove 13, a triangular block 702 is installed on one side of the sliding block 701, a pull rod 703 is installed on the other side of the sliding block 701, a pull plate 705 is installed on one end of the pull rod 703 located outside the test box 1, the pull rod 703 is movably connected to the test box 1, and a spring 704 is installed between the sliding block 701 and the mounting groove 13; through the setting of the fixing assembly 7, the pull plate 705 can be pulled, the pull plate 705 drives the pull rod 703, the pull rod 703 drives the sliding block 701, and the sliding block 701 drives the triangular block 702 to be received into the mounting groove 13, thereby releasing the limit on the bottom plate 601. When the bottom plate 601 is installed, the bottom plate 601 squeezes the inclined surface of the triangular block 702, so that the triangular block 702 is received in the mounting groove 13, and finally, under the action of the spring 704, the triangular block 702 is limited and fixed to the bottom plate 601.

[0048] Implementation process: When in use, the rock specimen is placed in the protective plate 603 on the bottom plate 601, and then the hydraulic telescopic rod 2 is controlled to extend, so that the hydraulic telescopic rod 2 drives the glass cover 402 to move downward, and drives the uniaxial compression rod 3 to move downward at the same time, and the glass cover 402 will cover the rock specimen, and the rock specimen is pressed down by the uniaxial compression rod 3, and then the cracks generated on the surface of the rock specimen are observed and recorded, and the rock specimen is covered by the glass cover 402 to prevent the splashing of the fragments, and after the rock specimen is squeezed, the hydraulic telescopic rod 2 is controlled to contract, and the glass cover 402 and the uniaxial compression rod 3 are driven to move upward and reset; at the same time, the glass cover 402 When ascending or descending, under the action of the rack 11, the gear 407 rotates, the gear 407 drives the rotating rod 406 to rotate, the rotating rod 406 drives the worm 403 to rotate through the synchronous belt 408 and the synchronous wheel 405, the worm 403 drives the worm wheel 502 to rotate, the worm wheel 502 drives the rotating ring 501 to rotate, the rotating ring 501 drives the cleaning scraper 503 to clean the inside of the glass cover 402, so that the dust on the inner surface of the glass cover 402 can be cleaned before and after the test, which can effectively prevent dust from adhering to the inside of the glass cover 402 to block the line of sight, thereby ensuring the clarity of rock test observation.

[0049] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A rock uniaxial compression test device, characterized in that: include: A test box (1), wherein a hydraulic telescopic rod (2) is installed at the top of the inner cavity of the test box (1), a uniaxial compression rod (3) is installed at the bottom of the hydraulic telescopic rod (2), a protective component (4) is installed on the side of the output shaft of the hydraulic telescopic rod (2), a rack (11) is installed at the top of the inner cavity of the test box (1), the rack (11) cooperates with the protective component (4), a cleaning component (5) is rotatably cooperated with the side of the output shaft of the hydraulic telescopic rod (2), the cleaning component (5) cooperates with the protective component (4), slots (12) are provided on both sides of the inner cavity of the test box (1), a protective base (6) is slidably cooperated in the slot (12), a mounting groove (13) is provided on the side of the slot (12), and a fixing component (7) is arranged in the mounting groove (13).

2. A rock uniaxial compression test device according to claim 1, characterized in that: The protection component (4) comprises a connection shell (401) mounted on the side of the output shaft of the hydraulic telescopic rod (2); a glass cover (402) is mounted on the bottom of the connection shell (401); a fixing plate (404) is mounted on the top of the glass cover (402); a worm (403) is rotatably engaged in the connection shell (401); one end of the worm (403) is rotatably connected to the side of the fixing plate (404); a rotating rod (406) is rotatably engaged in the side of the fixing plate (404); a gear (407) is mounted on the side of the rotating rod (406); the gear (407) and the rack (11) are meshed with each other; a synchronous wheel (405) is mounted on both the rotating rod (406) and the worm (403); a synchronous belt (408) is sleeved on the synchronous wheel (405); and the worm (403) is engaged with the cleaning component (5).

3. A rock uniaxial compression test device according to claim 2, characterized in that: The cleaning assembly (5) comprises a rotating ring (501) rotatably engaged with the side of the output shaft of the hydraulic telescopic rod (2); a worm gear (502) is mounted on the side of the rotating ring (501); the worm (403) and the worm gear (502) are meshed with each other; and a cleaning scraper (503) is mounted on the side of the rotating ring (501).

4. A rock uniaxial compression test device according to claim 3, characterized in that: The cleaning scraper (503) is tightly fitted with the connecting shell (401), and a cleaning sponge is installed on the fitting surface between the cleaning scraper (503) and the connecting shell (401).

5. The rock uniaxial compression test device according to claim 1, characterized in that: The protective base (6) comprises a bottom plate (601) slidably fitted in the slot (12), a protective plate (603) is installed on the top of the bottom plate (601), and a handle (602) is installed on the side of the bottom plate (601).

6. The rock uniaxial compression test device according to claim 1, characterized in that: The fixing assembly (7) includes a sliding block (701) that is slidably fitted in the mounting groove (13), a triangular block (702) is installed on one side of the sliding block (701), a pull rod (703) is installed on the other side of the sliding block (701), a pull plate (705) is installed at one end of the pull rod (703) located outside the test box (1), the pull rod (703) is movably connected to the test box (1), and a spring (704) is installed between the sliding block (701) and the mounting groove (13).

7. A construction method for a rock uniaxial compression test device, characterized in that: The rock uniaxial compression test device according to claim 1 is specifically operated as follows: When in use, a rock specimen is placed in the protective plate (603) on the bottom plate (601), and then the hydraulic telescopic rod (2) is controlled to extend, so that the hydraulic telescopic rod (2) drives the glass cover (402) to move downward, and at the same time drives the uniaxial compression rod (3) to move downward, and the glass cover (402) covers the rock specimen. The uniaxial compression rod (3) presses the rock specimen downward, and then the cracks generated on the surface of the rock specimen are observed and recorded. The rock specimen is covered by the glass cover (402) to prevent the splashed fragments from splashing out. After the rock specimen is squeezed, the hydraulic telescopic rod (2) is controlled to contract, so as to drive the glass cover (402) and the uniaxial compression rod (3) to move upward and reset. At the same time, when the glass cover (402) rises or falls, Under the action of the rack (11), the gear (407) rotates, the gear (407) drives the rotating rod (406) to rotate, the rotating rod (406) drives the worm (403) to rotate through the synchronous belt (408) and the synchronous wheel (405), the worm (403) drives the worm wheel (502) to rotate, the worm wheel (502) drives the rotating ring (501) to rotate, the rotating ring (501) drives the cleaning scraper (503) to clean the inner side of the glass cover (402), so that the dust on the inner surface of the glass cover (402) can be cleaned before and after the test, which can effectively prevent the dust from adhering to the inside of the glass cover (402) to block the line of sight, thereby ensuring the clarity of the rock test observation.

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