CN210834484U

CN210834484U - Rock triaxial tension and compression test device

Info

Publication number: CN210834484U
Application number: CN201921737228.3U
Authority: CN
Inventors: 曾凡卓
Original assignee: Purui Lizhi Tianjin Technology Co ltd
Current assignee: Purui Lizhi Tianjin Technology Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-06-23
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a rock triaxial tension and compression test device, which comprises a base; the hydraulic cylinders are fixedly mounted at four corners of the top end of the base, a bracket with a concave cross section is arranged between the hydraulic cylinders, the bottom end of the bracket is fixedly connected with the top side of the base, a moving plate is fixedly mounted at the top end of each hydraulic cylinder, a pull pressing block is fixedly mounted at the middle end of the bottom side of the moving plate, and a socket is formed in the middle end of the bottom side of the pull pressing block. The utility model discloses owing to draw the bottom side middle-end of briquetting to seted up the socket, and the transversal T type of personally submitting of front side of socket, and the transversal circle of personally submitting of bottom side at socket top, be convenient for insert the overhead inserted bar of replacement and make the top of inserted bar and the inside top side laminating back of socket in the socket, rotatory inserted bar again, with the inserted bar card in the socket to fix the top at drawing the briquetting with the replacement head, so that change the replacement head around experimental, comparatively practical, be fit for extensively promoting and using.

Description

Rock triaxial tension and compression test device

Technical Field

The utility model relates to a test device specifically is a rock triaxial draws pressure test device.

Background

The rock triaxial compression strength is one of rock physical and mechanical properties, which refers to the maximum axial stress that a rock test piece can resist under the action of three-dimensional compressive stress, the common triaxial compression strength of the rock is measured by a special rock triaxial stress tester, rock mechanics problems encountered in mine engineering, such as slope stability, bearing capacity of stope pillars and stress-strain state thereof, roadway stability, stress state of stope goaf, and the like, are all bidirectional or three-directional stress problems, and for actual underground rock engineering, especially deep underground rock engineering, it bears more complex stress state, and some key parts, such as near-adjacent empty rock mass of an excavated roadway, after the excavation is unloaded, the stress state that two-way compression and one-way tension are born, and the damage is generated under the three-axis tensile stress state, so that the related test and research work is needed to be deeply carried out.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: when the existing rock triaxial tension and compression test device is used, the tensile clamp needs to be bonded with a test article through an adhesive, so that the test is completed, the furniture needs to be cleaned after the test is completed, and the test device is relatively complex.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rock triaxial draws pressure test device has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rock triaxial tension and compression test device comprises a base;

hydraulic cylinders are fixedly mounted at four corners of the top end of the base, a bracket with a concave cross section at the front side is arranged among the four hydraulic cylinders, the bottom end of the bracket is fixedly connected with the top side of the base, a moving plate is fixedly mounted at the top ends of the four hydraulic cylinders, a pulling and pressing block is fixedly mounted at the middle end of the bottom side of the moving plate, a socket is formed in the middle end of the bottom side of the pulling and pressing block, the cross section of the front side of the socket is T-shaped, the cross section of the bottom side of the top of the socket is round, a replacing head is arranged at the bottom side of the pulling and pressing block, an inserting rod is fixedly mounted at the middle end of;

the middle end of the inner wall of the bottom end of the bracket is fixedly provided with a mounting seat, and the mounting seat is provided with a placing seat;

the left end fixed mounting of base has the controller, the controller is through external power source and four pneumatic cylinder electric connection.

As a preferred embodiment of the utility model, the equal fixed mounting of upside of bracket left and right sides inner wall has the installation pole, the middle-end of drawing the briquetting outer lane is provided with the spacing ring, two installation pole inwards one end respectively with the left and right sides fixed connection of spacing ring.

As a preferred embodiment of the utility model, the left and right sides of placing the seat top all through connection has the bolt, the left and right sides on mount pad top all sets up threaded hole, two the bolt all with the screw hole screwed connection that corresponds.

As an optimized embodiment of the present invention, the left and right ends of the replacement head are fixedly mounted with clamping rods.

As a preferred embodiment of the present invention, the lower sides of the left and right sides of the drawing and pressing block are connected with the clamping block through hinges.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a rock triaxial draws pressure test device, owing to draw the bottom side middle-end of briquetting to seted up the socket, and the transversal T type of personally submitting in front side of socket, and the transversal circle of personally submitting in bottom side at socket top, be convenient for insert the overhead inserted bar of replacement and make the top of inserted bar and the inside top side laminating back of socket in the socket, rotatory inserted bar again, with the inserted bar card in the socket, thereby will replace the head and fix at the top of drawing the briquetting, so that change the replacement head around the experiment, it is comparatively convenient.

2. The utility model relates to a rock triaxial draws pressure test device because the left and right sides on placing the seat top all through connection has the bolt, and the left and right sides on mount pad top all sets up threaded hole, is convenient for pass through the helical structure between bolt and the screw hole, realizes placing the dismouting of seat on the mount pad, and is comparatively convenient.

3. The utility model relates to a rock triaxial draws pressure test device, owing to draw the downside of the briquetting left and right sides all to be connected with the fixture block through the loose-leaf, be convenient for will replace first installation back, through with the fixture block card on corresponding kelly, avoid replacing the head and squint in the use.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a front view of a rock triaxial tension-compression test device of the present invention;

fig. 2 is a schematic bottom view of a tension-compression block of the rock triaxial tension-compression test device of the present invention;

fig. 3 is a circuit diagram of the rock triaxial tension and compression test device of the present invention;

fig. 4 is the utility model relates to a rock triaxial draws fixture block side view of pressure test device.

In the figure: the device comprises a base 1, an inserting rod 2, a controller 3, a hydraulic cylinder 4, a moving plate 5, a bracket 6, a tension and compression block 7, a limiting ring 8, an installation rod 9, a bracket 10, a socket 11, a clamping rod 12, a replacement head 13, a bolt 14, a placing seat 15, an installation seat 16, a threaded hole 17, a clamping block 18 and a hinge 19.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a rock triaxial tension and compression test device comprises a base 1;

hydraulic cylinders 4 are fixedly mounted at four corners of the top end of the base 1, a bracket 10 with a concave cross section on the front side is arranged among the four hydraulic cylinders 4, the bottom end of the bracket 10 is fixedly connected with the top side of the base 1, a moving plate 5 is fixedly mounted at the top ends of the four hydraulic cylinders 4, a pulling and pressing block 7 is fixedly mounted at the middle end of the bottom side of the moving plate 5, a socket 11 is formed at the middle end of the bottom side of the pulling and pressing block 7, the cross section of the front side of the socket 11 is T-shaped, the cross section of the bottom side of the top of the socket 11 is round, a replacing head 13 is arranged at the bottom side of the pulling and pressing block 7, an inserting rod 2 is fixedly mounted at the middle end of the top;

a mounting seat 16 is fixedly mounted at the middle end of the inner wall of the bottom end of the bracket 10, and a placing seat 15 is arranged on the mounting seat 16;

the left end fixed mounting of base 1 has controller 3, controller 3 is through external power source and four pneumatic cylinder 4 electric connection.

In this embodiment (as shown in fig. 1, 2, and 3), since the socket 11 is formed at the middle end of the bottom side of the pulling and pressing block 7, the cross section of the front side of the socket 11 is T-shaped, and the cross section of the bottom side of the top of the socket 11 is round, it is convenient to insert the inserting rod 2 on the replacing head 13 into the socket 11 so that the top end of the inserting rod 2 is attached to the top side inside the socket 11, and then rotate the inserting rod 2 to clamp the inserting rod 2 in the socket 11, so that the replacing head 13 is fixed at the bottom of the pulling and pressing block 7, and the replacing head 13 is conveniently replaced before and after the test.

In this embodiment (please refer to fig. 1), the upper sides of the inner walls of the left and right sides of the bracket 10 are both fixedly provided with the mounting rods 9, the middle end of the outer ring of the tension and compression block 7 is provided with the limiting ring 8, and the inward ends of the two mounting rods 9 are respectively fixedly connected with the left and right sides of the limiting ring 8, so as to limit the moving range of the tension and compression block 7.

In this embodiment (please refer to fig. 1), the left and right sides of the top end of the placing seat 15 are both connected with bolts 14 in a penetrating manner, the left and right sides of the top end of the mounting seat 16 are both provided with threaded holes 17, and the two bolts 14 are both in threaded connection with the corresponding threaded holes 17, so that the placing seat 15 can be conveniently disassembled and assembled on the mounting seat 16 through the spiral structure between the bolts 14 and the threaded holes 17.

In this embodiment (please refer to fig. 1), the left end and the right end of the replacing head 13 are both fixedly installed with the clamping rods 12, which is convenient for rotating the replacing head 13.

In this embodiment (please refer to fig. 1 and 4), the lower sides of the left and right sides of the pulling and pressing block 7 are connected to the clamping block 18 through the hinge 19, so that the clamping block 18 is clamped on the corresponding clamping rod 12 after the replacement head 13 is installed, thereby preventing the replacement head 13 from deviating during the use process.

It should be noted that the utility model relates to a rock triaxial tension and compression test device, which comprises a base 1, an inserting rod 2, a controller 3, a hydraulic cylinder 4, a movable plate 5, a bracket 6, a tension and compression block 7, a limit ring 8, an installation rod 9, a bracket 10, a socket 11, a clamping rod 12, a replacement head 13, a bolt 14, a placing seat 15, an installation seat 16, a threaded hole 17, a clamping block 18 and a hinge 19, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the components can be known by technical manuals or conventional experimental methods, when in work, the inserting rod 2 on the replacement head 13 is inserted into the socket 11 to ensure that the top end of the inserting rod 2 is attached to the top side inside the socket 11, then the inserting rod 2 is rotated and clamped in the socket 11, thereby the replacement head 13 is fixed at the bottom of the tension and compression block 7, so as to replace the replacement head 13 before and after the test, then the clamping blocks 18 are clamped on the corresponding clamping rods 12, so that the displacement of the replacement head 13 in the use process is avoided, and meanwhile, the placing seat 15 can be assembled and disassembled on the mounting seat 16 through the spiral structure between the bolt 14 and the threaded hole 17.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A rock triaxial tension and compression test device is characterized by comprising a base (1);

the hydraulic cylinder (4) is fixedly mounted at four corners of the top end of the base (1), a bracket (10) with a concave cross section at the front side is arranged between the four hydraulic cylinders (4), the bottom end of the bracket (10) is fixedly connected with the top side of the base (1), a moving plate (5) is fixedly mounted at the top ends of the four hydraulic cylinders (4), a pulling and pressing block (7) is fixedly mounted at the middle end of the bottom side of the moving plate (5), a socket (11) is formed in the middle end of the bottom side of the pulling and pressing block (7), the cross section of the front side of the socket (11) is T-shaped, the cross section of the bottom side of the top of the socket (11) is round, a replacing head (13) is arranged at the bottom side of the pulling and pressing block (7), an inserting rod (2) is fixedly mounted at the middle end of the top side of the;

a mounting seat (16) is fixedly mounted at the middle end of the inner wall of the bottom end of the bracket (10), and a placing seat (15) is arranged on the mounting seat (16);

the left end fixed mounting of base (1) has controller (3), controller (3) are through external power source and four pneumatic cylinder (4) electric connection.

2. The triaxial tension and compression test device for rock of claim 1, wherein: the equal fixed mounting of upside of bracket (10) left and right sides inner wall has installation pole (9), the middle-end of drawing briquetting (7) outer lane is provided with spacing ring (8), two installation pole (9) one end inwards respectively with the left and right sides fixed connection of spacing ring (8).

3. The triaxial tension and compression test device for rock of claim 1, wherein: the left and right sides of placing seat (15) top all through connection have bolt (14), threaded hole (17) are all seted up to the left and right sides of mount pad (16) top, two bolt (14) all with corresponding threaded hole (17) screwed connection.

4. The triaxial tension and compression test device for rock of claim 1, wherein: clamping rods (12) are fixedly mounted at the left end and the right end of the replacement head (13).

5. The triaxial tension and compression test device for rock of claim 1, wherein: the lower sides of the left side and the right side of the pulling and pressing block (7) are connected with the clamping block (18) through hinges (19).