Experimental device for dynamic mechanical properties of rock

Abstract

The utility model discloses a rock dynamic mechanical property experimental device, and relates to the technical field of rock mechanics. The device comprises a base, an arc-shaped top is fixedly connected to the top of the base, a dial is arranged on the front side of the arc-shaped top, and supporting beams are symmetrically, horizontally and fixedly connected to the front side and the rear side of the base. The angle of the electric-hydraulic push rod can be adjusted by rotating the movable seat around the rotating shaft, so that the electric-hydraulic push rod can be adjusted to a required pressure angle during rock mass analysis, and the movable seat can be locked by tightening the butterfly nut and enabling the butterfly nut to abut against the circular truncated cone part. The angle of the electric-hydraulic push rod can be quickly locked and limited, a dial and a scale line are matched to assist personnel to more accurately adjust the angle of the electric-hydraulic push rod, a double-thread screw is rotated to drive two clamping plates to synchronously approach, a rock mass placed on a test board can be clamped and fixed through the two clamping plates, and the angle of the electric-hydraulic push rod can be quickly locked and limited. And the rock mass can be more stable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rock mechanics technical field, especially relate to a rock dynamic mechanical property experimental device. BACKGROUND

[0002] Rock mechanics is a subject that studies stress, strain, failure, stability and reinforcement of rock under the action of external factors such as load, water flow, temperature change, etc., also known as rock mass mechanics, is a branch of mechanics, and the research purpose is to solve the rock engineering problems in water conservancy, civil engineering and other construction. Through the search, the patent with the application number 202323014389.9 discloses a rock dynamic mechanical property experimental device, which comprises a base, a turning assembly is arranged at the upper end of the base, a pressurizing assembly is arranged in the turning assembly, the turning assembly comprises an arc plate, the arc plate is fixedly connected to the upper surface of the base, an arc groove is formed in the surface of the arc plate, a sliding block is slidably connected in the arc groove, a slide plate is fixedly connected to the upper end of the sliding block, a fixed plate is fixedly connected to one end of the slide plate, a rotating shaft is rotatably connected to the fixed plate, and a gear is fixedly connected to one end of the rotating shaft.

[0003] However, in the actual use process, the applicant finds that the pressure angle during the rock mass analysis can be adjusted by rotating the handle to drive the gear to rotate, and the angle of the cylinder and the extrusion rod can be changed by the gear rotation, but the experimental device lacks a limiting and locking structure for the angle of the cylinder and the extrusion rod, so that the angle locking of the cylinder and the extrusion rod cannot be realized. In view of this, we propose a rock dynamic mechanical property experimental device. Utility model content

[0004] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0005] The utility model discloses a rock dynamic mechanical characteristic experimental device, including base, the top fixedly connected with arc top of base, the front of arc top is provided with the dial, the front and back both sides symmetrical horizontal fixedly connected with support beam of base, the rotatable connection with movable seat between two support beams, the bottom inlay fixed of movable seat is equipped with electro -hydraulic push rod, the lower end fixed setting of electro -hydraulic push rod has extrusion head, the top fixed setting of movable seat has guide sliding block, the guide sliding block slides along the guide slide groove that sets up on arc top, the top fixed setting of guide sliding block has the limit screw, the arc limit seat of active sleeve joint has on the limit screw, the front of arc limit seat is provided with scale line, the screw thread of the limit screw above arc limit seat is screwed and has the butterfly nut, arc limit seat is locked and fixed on arc top through butterfly nut, the through groove is set up on the movable seat above electro -hydraulic push rod, the fixed battery in through groove, the front fixed installation of movable seat below battery has controller, the inside horizontal fixedly connected with test table of base, the symmetrical active sleeve of test table has clamping plate, the double -end screw is rotatably connected on the base below test table through bearing, the thread of both ends of double -end screw is opposite, and the both ends of double -end screw are screwed respectively and pass the lower part of two clamping plate.

[0006] Preferably, the inner side wall of the upper part of the clamping plate is uniformly provided with anti-skid teeth, and the anti-skid teeth are parallel to the test table.

[0007] Preferably, one end of the double-end screw extends to the outside of the base and is fixedly provided with a hand crank.

[0008] Preferably, the electro -hydraulic push rod, controller and battery are connected in series through wires.

[0009] Preferably, the front and back of the lower end of the movable seat are symmetrically fixedly provided with shafts, and the two shafts are rotatably connected with the two support beams through bearings respectively.

[0010] Preferably, the top of the movable seat slides along the inner side wall of the arc top, the bottom of the arc limit seat slides along the top of the arc top, the top of the arc limit seat is fixedly provided with a circular table part, and the bottom of the butterfly nut abuts on the circular table part.

[0011] The utility model has the following beneficial effects:

[0012] The utility model discloses a rock dynamic mechanical characteristic experimental device, through rotating the movable seat around the pivot, can adjust the angle of electro -hydraulic push rod, make electro -hydraulic push rod can adjust to the required pressure angle of rock mass analysis time, through tightening the butterfly nut, make butterfly nut abut on the circular table portion, can realize the locking of movable seat to the angle of electro -hydraulic push rod can be locked fast in position, through the cooperation of the dial and the scale line, can assist personnel more accurate angle adjustment of electro -hydraulic push rod, through rotating the double -end screw and drive two clamping plates to be close to in synchronism, can be through two clamping plates and be placed rock mass on the test platform and be clamped fixed, thereby can make the process of pressure experiment, and rock mass can be more stable. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduce, obviously, the following description in the drawing only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0014] Fig. 1 It is a structural schematic diagram of the utility model rock dynamic mechanical characteristic experimental device.

[0015] Fig. 2 It is the structural schematic diagram of the movable seat in the utility model rock dynamic mechanical characteristic experimental device.

[0016] Fig. 3 It is the structural schematic diagram of the arc limiting seat in the utility model rock dynamic mechanical characteristic experimental device.

[0017] In the drawings, the component list represented by each sign is as follows:

[0018] 1, base;2, arc top;21, guide sliding slot;22, dial;3, support beam;4, movable seat;41, guide sliding block;42, limiting screw;43, pivot;44, through slot;5, electro -hydraulic push rod;6, butterfly nut;7, arc limiting seat;71, circular table portion;72, scale line;8, double -end screw;81, hand crank;9, clamping plate;91, antiskid tooth;10, test platform;11, controller;12, battery. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0020] Please refer to Figs. 1-3 The present application provides a technical solution:

[0021] The utility model provides a kind of rock dynamic mechanical property experimental device, including base 1, the top of base 1 is fixedly connected with arc top 2, the front side of arc top 2 is provided with dial 22, the front and rear sides of base 1 are symmetrically horizontally fixedly connected with support beam 3, and rotatingly connected with movable seat 4 between two support beams 3, the front and rear sides of movable seat 4 lower end are symmetrically fixedly provided with rotating shaft 43, and two rotating shafts 43 are rotatedly connected with two support beams 3 respectively through bearing, the top of movable seat 4 is slid along the inside wall of arc top 2, and the bottom of movable seat 4 is embeddedly fixedly arranged with electro-hydraulic push rod 5, and the lower end of electro-hydraulic push rod 5 is fixedly provided with extrusion head, the top of movable seat 4 is fixedly provided with guide sliding block 41, guide sliding block 41 is slid along the guide sliding slot 21 opened on arc top 2, the top of guide sliding block 41 is fixedly provided with limiting screw 42, limiting screw 42 is movably sleeved with arc limiting seat 7, the bottom of arc limiting seat 7 is slid along the top of arc top 2, the top of arc limiting seat 7 is fixedly provided with circular table part 71, the front side of arc limiting seat 7 is provided with scale line 72, butterfly nut 6 is threadedly screwed on limiting screw 42 above arc limiting seat 7, and arc limiting seat 7 is locked and fixed on arc top 2 by butterfly nut 6, the bottom of butterfly nut 6 is abutted on circular table part 71, the angle of electro-hydraulic push rod 5 can be adjusted by rotating movable seat 4 around rotating shaft 43, so that electro-hydraulic push rod 5 can be adjusted to the required pressure angle when rock mass analysis, by tightening butterfly nut 6, butterfly nut 6 is abutted on circular table part 71, the locking of movable seat 4 can be realized, so that the angle of electro-hydraulic push rod 5 can be quickly locked and positioned, by the cooperation of dial 22 and scale line 72, personnel can more accurately adjust the angle of electro-hydraulic push rod 5, through groove 44 is opened on movable seat 4 above electro-hydraulic push rod 5, and storage battery 12 is fixed in through groove 44, and the front side of movable seat 4 below storage battery 12 is fixedly arranged with controller 11, and electro-hydraulic push rod 5, controller 11 and storage battery 12 are connected in series through wire, and the inside of base 1 is horizontally fixedly connected with test table 10, when using, the collected rock mass can be placed on test table 10, and movable seat 4 is rotated around rotating shaft 43 manually, and the angle of rotating shaft 43 is adjusted by driving electro-hydraulic push rod 5 around rotating shaft 43 by movable seat 4, in the adjustment process, personnel can more accurately adjust the angle of electro-hydraulic push rod 5 by the cooperation of dial 22 and scale line 72, when the angle of electro-hydraulic push rod 5 is adjusted to the required pressure angle when rock mass analysis, butterfly nut 6 can be manually tightened, and butterfly nut 6 is abutted on circular table part 71 on the bottom of arc limiting seat 7, and arc limiting seat 7 is locked and fixed on arc top 2, so that the position locking of movable seat 4 and electro-hydraulic push rod 5 can be completed through arc limiting seat 7, and now the rock mass on test table 10 can be driven by controller 11 to electro-hydraulic push rod 5 for pressure experiment.

[0022] The symmetrical movable sleeve on the test table 10 is provided with clamping plates 9, the inner side wall of the upper part of the clamping plates 9 is uniformly provided with anti-skid teeth 91, the anti-skid teeth 91 are parallel to the test table 10, a double-headed screw 8 is rotatably connected to the base 1 below the test table 10 through a bearing, the screw threads at the two ends of the double-headed screw 8 are opposite in rotation direction, the two ends of the double-headed screw 8 are respectively threaded through the lower parts of the two clamping plates 9, one end of the double-headed screw 8 extends to the outside of the base 1 and is fixedly provided with a hand crank 81, the two clamping plates 9 are synchronously approached by rotating the double-headed screw 8, the rock mass placed on the test table 10 can be clamped and fixed by the two clamping plates 9, so that the rock mass can be more stable during the pressure experiment, after the rock mass is placed on the test table 10, the double-headed screw 8 is driven to rotate by manually rotating the hand crank 81 clockwise, the two clamping plates 9 are synchronously approached by the rotation of the double-headed screw 8, and the rock mass can be clamped and fixed by the two clamping plates 9.

[0023] Working principle: in use, the collected rock mass can be placed on the test table 10, after the rock mass is placed on the test table 10, the double-headed screw 8 is driven to rotate by manually rotating the hand crank 81 clockwise, the two clamping plates 9 are synchronously approached by the rotation of the double-headed screw 8, and the rock mass can be clamped and fixed by the two clamping plates 9, then the movable seat 4 is manually rotated around the rotating shaft 43, the electro-hydraulic push rod 5 is driven to rotate around the rotating shaft 43 by the movable seat 4, the angle of the rotating shaft 43 is adjusted, during the adjustment process, the angle of the electro-hydraulic push rod 5 can be more accurately adjusted by the cooperation of the dial 22 and the scale line 72, when the angle of the electro-hydraulic push rod 5 is adjusted to the required pressure angle during rock mass analysis, the butterfly nut 6 can be manually tightened, the butterfly nut 6 abuts against the circular table part 71 at the bottom of the arc-shaped limiting seat 7, the arc-shaped limiting seat 7 is locked and fixed on the arc-shaped top 2, the position of the movable seat 4 and the electro-hydraulic push rod 5 can be locked by the arc-shaped limiting seat 7, at this time, the rock mass on the test table 10 can be subjected to a pressure experiment by driving the electro-hydraulic push rod 5 by the controller 11.

[0024] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0025] The above is only the preferred embodiment of the present application, and does not limit the present application, any modification to the technical solutions described in the foregoing embodiments, and equivalent replacement of part of the technical features, all belong to the protection scope of the present application.

Claims

1. A rock dynamic mechanical property experimental device comprising a base (1), characterized in that: The top of the base (1) is fixedly connected with an arc-shaped top (2), the front side of the arc-shaped top (2) is provided with a dial (22), the front and rear sides of the base (1) are symmetrically and horizontally fixedly connected with support beams (3), a movable seat (4) is rotatably connected between the two support beams (3), an electro-hydraulic push rod (5) is fixedly arranged in the bottom of the movable seat (4), the lower end of the electro-hydraulic push rod (5) is fixedly provided with a pressing head, a guide sliding block (41) is fixedly arranged on the top of the movable seat (4), the guide sliding block (41) slides along the guide sliding groove (21) formed on the arc-shaped top (2), a limiting screw (42) is fixedly arranged on the top of the guide sliding block (41), an arc-shaped limiting seat (7) is movably sleeved on the limiting screw (42), the front side of the arc-shaped limiting seat (7) is provided with a scale line (72), a butterfly nut (6) is threadedly screwed on the limiting screw (42) above the arc-shaped limiting seat (7), the arc-shaped limiting seat (7) is locked and fixed on the arc-shaped top (2) through the butterfly nut (6), a through groove (44) is formed in the movable seat (4) above the electro-hydraulic push rod (5), a storage battery (12) is fixedly arranged in the through groove (44), a controller (11) is fixedly arranged on the front side of the movable seat (4) below the storage battery (12), a test table (10) is horizontally fixedly connected to the inner side of the base (1), clamping plates (9) are movably sleeved on the test table (10) in a symmetrical manner, a double-headed screw rod (8) is rotatably connected to the base (1) below the test table (10) through a bearing, the screw threads at the two ends of the double-headed screw rod (8) are opposite in screwing direction, and the two ends of the double-headed screw rod (8) respectively threadedly penetrate the lower parts of the two clamping plates (9).

2. The rock dynamic mechanical property testing device according to claim 1, characterized in that, The inner side walls of the upper parts of the clamping plates (9) are uniformly provided with anti-skid teeth (91), and the anti-skid teeth (91) are parallel to the test table (10).

3. The rock dynamic mechanical property testing device according to claim 1, characterized in that, One end of the double-headed screw rod (8) extends to the outside of the base (1) and is fixedly provided with a hand crank (81).

4. The rock dynamic mechanical property testing device of claim 1, wherein, The electro-hydraulic push rod (5), the controller (11) and the storage battery (12) are connected in series through wires.

5. The rock dynamic mechanical property testing device of claim 1, wherein, The front and rear sides of the lower end of the movable seat (4) are symmetrically and fixedly provided with rotating shafts (43), and the two rotating shafts (43) are respectively rotatably connected with the two support beams (3) through bearings.

6. The rock dynamic mechanical property testing device according to claim 1, characterized in that, The top of the movable seat (4) slides along the inner side wall of the arc-shaped top (2), the bottom of the arc-shaped limiting seat (7) slides along the top of the arc-shaped top (2), the top of the arc-shaped limiting seat (7) is fixedly provided with a circular table part (71), and the bottom of the butterfly nut (6) abuts against the circular table part (71).

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