Rock compressive strength testing device

Abstract

The utility model discloses a rock compressive strength testing device which comprises an equipment frame, side baffles are fixed on the two sides of the equipment frame, a clamping groove is formed in the surface of the front side of the equipment frame, a movable shaft is installed on one side of the front portion of the equipment frame, and a front baffle is movably connected to one side of the movable shaft. A buckle is fixed to one side of the front baffle, and a pressure bearing plate is installed in the equipment frame. According to the rock compressive strength testing device, through cooperative use of the side baffles, the clamping grooves, the movable shafts, the front baffle and the buckles, when compressive strength testing is carried out, pressure is applied to the upper portion of rock through the pressing blocks, and when the rock is pressed to exceed the limit of the rock compressive strength, the rock can be broken; and through arrangement of the side baffles and the front baffle, broken stone blocks generated by fragmentation can be blocked, the situation that the broken stone blocks splash out to injure workers is prevented, the front baffle is conveniently opened through arrangement of the movable shaft, and then rock is conveniently taken.

Description

Technical Field

[0001] The utility model relates to the technical field related to rock compressive strength testing, in particular to a rock compressive strength testing device. Background Art

[0002] Rocks are solid aggregates with stable shapes, composed of one or several minerals and natural glass. Rocks composed of one mineral are called monomineral rocks, such as marble composed of calcite, quartzite composed of quartz, etc. Rock compressive strength test is an important part of the study of rock physical and mechanical properties. It is mainly used to determine the average compressive stress on the cross section of the specimen when the rock is destroyed under uniaxial pressure. This test helps us to have a deeper understanding of the mechanical properties of rocks, which is of great significance to geological engineering, civil engineering, mining engineering and other fields.

[0003] However, when the existing rock compression test device applies pressure to the rock, the rock will break when it is over-pressurized, and the broken small rock pieces are easy to splash out and cause harm to the workers, resulting in poor work safety. Therefore, the present application provides a rock compression strength test device to meet the needs. Utility Model Content

[0004] The utility model aims to provide a rock compressive strength testing device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rock compressive strength testing device, comprising an equipment frame, side baffles are fixed on both sides of the equipment frame, a card slot is opened on the front surface of the equipment frame, a movable shaft is installed on the front side of the equipment frame, a front baffle is movably connected to one side of the movable shaft, a buckle is fixed on one side of the front baffle, a pressure plate is installed inside the equipment frame, columns are fixed on both sides of the interior of the equipment frame, a hydraulic cylinder is installed above the equipment frame, a hydraulic rod is installed below the hydraulic cylinder, a movable plate is fixed below the hydraulic rod, and a pressure block is fixed below the movable plate.

[0006] Preferably, the side baffles are symmetrically arranged with respect to the central axis of the equipment rack, and the side baffles are used in conjunction with the front baffle.

[0007] Preferably, the front baffle forms a rotating structure with the equipment frame through a movable shaft, and the buckle and the slot are correspondingly arranged.

[0008] Preferably, mounting seats are fixed on both sides above the pressure plate, a cylinder is installed on one side of the mounting seat, a telescopic rod is installed on one side of the cylinder, and a limiting block is fixed on one end of the telescopic rod.

[0009] Preferably, the limit block forms a telescopic structure with the mounting seat through a cylinder, and the mounting seat is symmetrically arranged with respect to the central axis of the pressure plate.

[0010] Preferably, the movable plate and the equipment frame form a lifting structure through a hydraulic cylinder, and the size of the movable plate matches that of the pressure plate.

[0011] Preferably, collars are fixed on both sides of the movable plate, and the collars are sleeved on the outside of the columns.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. A rock compressive strength testing device, through the coordinated use of side baffles, card slots, movable shafts, front baffles and buckles, when performing a compressive strength test, a pressure is applied to the top of the rock through a pressure block, and when the rock is pressed beyond the limit of the rock compressive strength, the rock will break, and the side baffles and the front baffles can be set to block the broken stone pieces to prevent the broken stone pieces from splashing out and causing damage to the staff, and the movable shaft is set to facilitate opening the front baffle, thereby facilitating the removal of the rock;

[0014] 2. The rock compressive strength testing device places the rock sample on the top of the pressure plate through the setting of the mounting seat, the cylinder, the telescopic rod and the limit block, and drives the limit block to clamp the two sides of the rock sample through the setting of the cylinder, so as to ensure that the rock sample is in the center of the pressure plate, and at the same time improves the stability of the rock sample during the test, and the test result of the rock compressive strength is more accurate;

[0015] 3. This rock compressive strength testing device, through the setting of columns and rings, can limit the movable plate, so that the movable plate maintains a high stability when lifting and lowering, reduces the shaking of the movable plate, and further improves the test accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the front baffle of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the pressure bearing plate of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the movable plate of the utility model.

[0020] In the figure: 1. Equipment frame; 2. Side baffle; 3. Slot; 4. Movable shaft; 5. Front baffle; 6. Buckle; 7. Pressure plate; 8. Mounting seat; 9. Cylinder; 10. Telescopic rod; 11. Limit block; 12. Column; 13. Hydraulic cylinder; 14. Hydraulic rod; 15. Movable plate; 16. Ring; 17. Pressure block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-2 The utility model provides a technical solution: a rock compressive strength testing device, including an equipment frame 1, side baffles 2 are fixed on both sides of the equipment frame 1, the side baffles 2 are symmetrically arranged with the central axis of the equipment frame 1, and the side baffles 2 are used in conjunction with the front baffle 5. When the rock is compressed beyond the limit of the rock compressive strength, the rock will break. The side baffles 2 and the front baffle 5 can be used to block the broken stone pieces to prevent the broken stone pieces from splashing out and causing damage to the staff. A card slot 3 is provided on the front side surface of the equipment frame 1, and a movable shaft 4 is installed on the front side of the equipment frame 1. The front baffle 5 is movably connected to one side of the movable shaft 4. The front baffle 5 forms a rotating structure with the equipment frame 1 through the movable shaft 4. The buckle 6 is arranged corresponding to the card slot 3. The arrangement of the movable shaft 4 makes it convenient to open the front baffle 5, thereby facilitating the removal of the rock. A buckle 6 is fixed on one side of the front baffle 5.

[0023] See also Figure 1 and Figure 3 A pressure plate 7 is installed inside the equipment frame 1, and mounting seats 8 are fixed on both sides above the pressure plate 7. A cylinder 9 is installed on one side of the mounting seat 8, and a telescopic rod 10 is installed on one side of the cylinder 9. A limit block 11 is fixed at one end of the telescopic rod 10. The rock sample is placed above the pressure plate 7, and the limit block 11 is driven by the setting of the cylinder 9 to clamp both sides of the rock sample to ensure that the rock sample is in the center of the pressure plate 7. The limit block 11 forms a telescopic structure with the mounting seat 8 through the cylinder 9. The mounting seat 8 is symmetrically arranged with the central axis of the pressure plate 7, which improves the stability of the rock sample during the test and makes the test result of the compressive strength of the rock more accurate.

[0024] See also Figure 1 and Figure 4, columns 12 are fixed on both sides of the interior of the equipment frame 1, a hydraulic cylinder 13 is installed above the equipment frame 1, a hydraulic rod 14 is installed below the hydraulic cylinder 13, and a movable plate 15 is fixed below the hydraulic rod 14. The movable plate 15 forms a lifting structure with the equipment frame 1 through the hydraulic cylinder 13. The size of the movable plate 15 matches that of the pressure plate 7. Turn on the switch of the hydraulic cylinder 13 to drive the movable plate 15 to descend, and apply pressure to the rock sample through the pressure block 17. The compressive strength of the rock can be obtained by observing the state of the rock sample and the pressure size. Rings 16 are fixed on both sides of the movable plate 15. The rings 16 are sleeved on the outside of the columns 12 to limit the movable plate 15, so that the movable plate 15 maintains a high stability during lifting and lowering. A pressure block 17 is fixed below the movable plate 15.

[0025] Working principle: When using the rock compressive strength testing device, first turn on the external power supply, then place the rock sample on the top of the pressure plate 7, and drive the limit block 11 through the setting of the cylinder 9 to clamp the two sides of the rock sample to ensure that the rock sample is in the center of the pressure plate 7, then close the front baffle 5, turn on the switch of the hydraulic cylinder 13, drive the movable plate 15 to descend, and apply pressure to the rock sample through the pressure block 17 to obtain the compressive strength of the rock sample. Finally, when the rock is compressed beyond the limit of the rock compressive strength, the rock will break. The side baffle 2 and the front baffle 5 can be used to block the crushed stones to prevent the crushed stones from splashing out and causing damage to the staff. When the device is not in use, cut off the external power supply of the device. The model of the cylinder 9 is SCJ80, and the model of the hydraulic cylinder 13 is MOB50. In this way, the use process of the rock compressive strength testing device is completed.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rock compressive strength testing device, comprising a device frame (1), characterized in that: Side baffles (2) are fixed on both sides of the equipment frame (1); a card slot (3) is provided on the front surface of the equipment frame (1); a movable shaft (4) is installed on the front side of the equipment frame (1); a front baffle (5) is movably connected to one side of the movable shaft (4); a buckle (6) is fixed to one side of the front baffle (5); a pressure plate (7) is installed inside the equipment frame (1); columns (12) are fixed on both sides of the equipment frame (1); a hydraulic cylinder (13) is installed above the equipment frame (1); a hydraulic rod (14) is installed below the hydraulic cylinder (13); a movable plate (15) is fixed below the hydraulic rod (14); a pressure block (17) is fixed below the movable plate (15).

2. A rock compressive strength testing device according to claim 1, characterized in that: The side baffles (2) are symmetrically arranged with respect to the central axis of the equipment frame (1), and the side baffles (2) are used in conjunction with the front baffle (5).

3. A rock compressive strength testing device according to claim 1, characterized in that: The front baffle (5) forms a rotating structure with the equipment frame (1) via a movable shaft (4), and the buckle (6) and the slot (3) are arranged correspondingly.

4. A rock compressive strength testing device according to claim 1, characterized in that: Mounting seats (8) are fixed on both sides above the pressure plate (7), a cylinder (9) is installed on one side of the mounting seat (8), a telescopic rod (10) is installed on one side of the cylinder (9), and a limiting block (11) is fixed on one end of the telescopic rod (10).

5. A rock compressive strength testing device according to claim 4, characterized in that: The limit block (11) forms a telescopic structure with the mounting seat (8) through the cylinder (9), and the mounting seat (8) is symmetrically arranged with respect to the central axis of the pressure plate (7).

6. A rock compressive strength testing device according to claim 1, characterized in that: The movable plate (15) forms a lifting structure with the equipment frame (1) via a hydraulic cylinder (13), and the dimensions of the movable plate (15) match those of the pressure plate (7).

7. A rock compressive strength testing device according to claim 1, characterized in that: Rings (16) are fixed on both sides of the movable plate (15), and the rings (16) are sleeved on the outside of the column (12).

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