CN112161869A

CN112161869A - Concrete structure strength test device

Info

Publication number: CN112161869A
Application number: CN202011068932.1A
Authority: CN
Inventors: 赵树青; 李国凤; 傅森; 李国胜; 宋元金
Original assignee: Shandong Transport Vocational College
Current assignee: Shandong Transport Vocational College
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-01-01

Abstract

The invention discloses a concrete structure strength testing device which comprises a shell, wherein the inner side wall of the shell is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a first connecting rod, one end of the first connecting rod, which is far away from the motor, is fixedly connected with a rotating rod, one end of the rotating rod, which is far away from the motor, is rotatably connected to the inner side wall of the shell, the outer side wall of the rotating rod is symmetrically and fixedly connected with two second bevel gears, the outer side walls of the second bevel gears are in meshing connection with a first bevel gear, and the inner ring of the first bevel gear is fixedly connected with; when using this device, cooperation through between first bevel gear and the second bevel gear makes the screw rod rotate for the screw rod drives the decline of second plate body, and the second block extrudees the concrete piece of putting into the inside of U-shaped block, thereby accomplishes the test to the concrete piece, uses this device, need not many manpower and can operate promptly, and the test is simple, and data is accurate, and application scope is wide.

Description

Concrete structure strength test device

Technical Field

The invention relates to the technical field of building testing, in particular to a concrete structure strength testing device.

Background

Concrete, concrete for short: refers to the general name of engineering composite materials formed by cementing aggregate into a whole by cementing materials. The term concrete generally refers to cement as the cementing material and sand and stone as the aggregate; the concrete is a building material necessary for construction sites, and after the concrete is built, the concrete strength testing device is required to detect the compressive strength of concrete bricks, so that the condition that the concrete bricks have unqualified strength and are easy to have unnecessary danger after long-term use is avoided.

The invention is disclosed in China: CN209069762U discloses a concrete structure strength testing device, which is used by mutually matching a cam, a motor, a pressing plate, a spring rod, a bump, a first belt pulley, a second belt pulley and a supporting plate, so as to realize uniform knocking on the concrete surface, thereby improving the accuracy of measurement; the clamping blocks, the screw rods, the nuts and the mounting rings are mutually matched for use, so that concrete blocks of different specifications can be conveniently clamped and fixed, but certain problems exist;

the existing concrete structure strength testing device is mainly used for measuring concrete through mutual cooperation of multiple persons when the concrete is measured, a large amount of manpower is consumed when the concrete is measured, and the measuring effect is not ideal.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a concrete structure strength testing device.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a concrete structure strength testing device comprises a shell, wherein a first motor is fixedly connected to the inner side wall of the shell, a first connecting rod is fixedly connected to an output shaft of the first motor, a rotating rod is fixedly connected to one end, far away from the first motor, of the first connecting rod, one end, far away from the first motor, of the rotating rod is rotatably connected to the inner side wall of the shell, two second bevel gears are symmetrically and fixedly connected to the outer side wall of the rotating rod, first bevel gears are meshed and connected to the outer side walls of the second bevel gears, first screw rods are fixedly connected to inner rings of the first bevel gears, two through holes are symmetrically formed in the upper surface of the shell, second plate bodies are slidably connected to the inner side walls of the through holes, inner ring gear threads are arranged inside the second plate bodies, and the inner side walls of the inner ring gear threads are in threaded connection, two one side fixedly connected with first plate body that the second plate body is adjacent, the welding of the lower surface center department of first plate body has the second block, the upper surface center department of casing is provided with the U-shaped block.

Preferably, a clamping groove is formed in the center of the upper surface of the shell, a clamping block is welded to the lower surface of the U-shaped block, and the outer side wall of the clamping block is inserted into the inner side wall of the clamping groove.

Preferably, the inboard diapire fixedly connected with equidistance of draw-in groove is arranged the spring, the spring is kept away from the one end fixedly connected with damping plate of draw-in groove, the damping plate is located the bottom of fixture block.

Preferably, the inner side wall of the shell is fixedly connected with fixing rods which are arranged at equal intervals, an annular sliding groove is formed in each fixing rod, and the rotating rod and the outer side wall of the first connecting rod are rotatably connected to the inner side wall of the annular sliding groove.

Preferably, the inner side wall of the housing is fixedly connected with a bearing, and one end of the rotating rod, which is far away from the first connecting rod, is fixedly connected with an inner ring of the bearing.

Preferably, the inside wall fixedly connected with second motor of U-shaped block, the two-way screw rod of output shaft fixedly connected with of second motor, two-way screw rod is kept away from the one end fixed connection of second motor in the inside wall of U-shaped block, the lateral wall symmetry threaded connection of two-way screw rod has the internal thread sleeve, the telescopic lateral wall of internal thread symmetry fixedly connected with second connecting rod and the L shape connecting rod respectively, two splint are all welded to the adjacent one side of L shape connecting rod.

Preferably, a second sliding groove is formed in the bottom wall of the inner side of the U-shaped block body, a sliding block is welded to the bottom of each second connecting rod, and the outer side wall of each sliding block is connected to the inner side wall of the corresponding second sliding groove in a sliding mode.

Preferably, the lateral wall fixedly connected with switch block of casing, switch block's electrical output pass through the wire respectively with first motor with the electrical input end electric connection of second motor, the internally mounted of second block has pressure sensor, display and controller are installed respectively to the front surface of casing, pressure sensor's signal output part passing signal with the signal input part signal connection of display, the signal output part passing signal of display with the signal input part signal connection of controller.

(III) advantageous effects

Compared with the prior art, the invention provides a concrete structure strength testing device, which has the following beneficial effects:

when using this device, cooperation through between first bevel gear and the second bevel gear makes the screw rod rotate for the screw rod drives the decline of second plate body, and the second block extrudees the concrete piece of putting into the inside of U-shaped block, thereby accomplishes the test to the concrete piece, uses this device, need not many manpower and can operate promptly, and the test is simple, and data is accurate, and application scope is wide.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal cross-sectional structure of the second plate of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic diagram of the circuit structure of the present invention;

fig. 5 is a schematic view showing the internal cross-sectional structure of the U-shaped block of the present invention.

In the figure: 1. a housing; 2. an annular chute; 3. a first bevel gear; 4. a damping plate; 5. a rotating rod; 6. A second bevel gear; 7. fixing the rod; 8. a bearing; 9. a first screw; 10. a through hole; 11. a spring; 12. A U-shaped block body; 13. a first plate body; 14. a second block; 15. a clamping block; 16. a card slot; 17. a second plate body; 18. a first link; 19. a switch group; 21. inner ring tooth threads; 22. a first motor; 23. a controller; 24. a display; 25. a pressure sensor; 26. a second motor; 27. a slider; 28. a second chute; 29. a bidirectional screw; 30. an internally threaded sleeve; 31. a second link; 32. a splint; 33. an L-shaped connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a concrete structure strength testing device comprises a shell 1, wherein a first motor 22 is fixedly connected to the inner side wall of the shell 1, a first connecting rod 18 is fixedly connected to an output shaft of the first motor 22, a rotating rod 5 is fixedly connected to one end, far away from the first motor 22, of the first connecting rod 18, one end, far away from the first motor 22, of the rotating rod 5 is rotatably connected to the inner side wall of the shell 1, two second bevel gears 6 are symmetrically and fixedly connected to the outer side wall of the rotating rod 5, a first bevel gear 3 is connected to the outer side wall of each second bevel gear 6 in a meshing manner, a first screw 9 is fixedly connected to the inner ring of each first bevel gear 3, two through holes 10 are symmetrically formed in the upper surface of the shell 1, a second plate body 17 is slidably connected to the inner side wall of each through hole 10, inner ring gear threads 21 are arranged inside the second plate body 17, the inner side wall of each inner ring gear threads 21 is, a second block 14 is welded at the center of the lower surface of the first plate 13, and a U-shaped block 12 is arranged at the center of the upper surface of the shell 1.

In this embodiment, specifically: a clamping groove 16 is formed in the center of the upper surface of the shell 1, a clamping block 15 is welded to the lower surface of the U-shaped block body 12, and the outer side wall of the clamping block 15 is inserted into the inner side wall of the clamping groove 16; through setting up fixture block 15 and draw-in groove 16, promote the stability to U-shaped block 12, U-shaped block 12 is pegged graft fixedly simultaneously, and the convenience is to the dismantlement and the change of U-shaped block 12.

In this embodiment, specifically: the inner bottom wall of the clamping groove 16 is fixedly connected with springs 11 which are arranged at equal intervals, one end, far away from the clamping groove 16, of each spring 11 is fixedly connected with a damping plate 4, and each damping plate 4 is located at the bottom of each clamping block 15; through the cooperation that sets up damping plate 4 and spring 11, when U-shaped block 12 atress extrudees downwards, fixture block 15 extrudees damping plate 4, and damping plate 4 extrudees spring 11, through above operation, plays the effect of slowing down the impact force to U-shaped block 12.

In this embodiment, specifically: the inner side wall of the shell 1 is fixedly connected with fixing rods 7 which are arranged at equal intervals, an annular chute 2 is formed in each fixing rod 7, and the outer side walls of the rotating rod 5 and the first connecting rod 18 are rotatably connected to the inner side wall of the annular chute 2; through the annular chute 2 that sets up, bull stick 5 and first connecting rod 18 rotate in the inside of annular chute 2, promote stability to annular chute 2 through dead lever 7 simultaneously.

In this embodiment, specifically: the inner side wall of the shell 1 is fixedly connected with a bearing 8, and one end of the rotating rod 5, which is far away from the first connecting rod 18, is fixedly connected with the inner ring of the bearing 8; through setting up bearing 8, play and support fixed effect to bull stick 5, reduce bull stick 5's friction simultaneously, prolong the life of bull stick 5.

In this embodiment, specifically: a second motor 26 is fixedly connected to the inner side wall of the U-shaped block body 12, a bidirectional screw 29 is fixedly connected to an output shaft of the second motor 26, one end, far away from the second motor 26, of the bidirectional screw 29 is fixedly connected to the inner side wall of the U-shaped block body 12, an internal thread sleeve 30 is symmetrically and threadedly connected to the outer side wall of the bidirectional screw 29, a second connecting rod 31 and an L-shaped connecting rod 33 are symmetrically and fixedly connected to the outer side wall of the internal thread sleeve 30 respectively, and clamping plates 32 are welded to the adjacent sides of the two L-shaped connecting; when concrete slab is put into U-shaped block 12, through starting second motor 26, the output shaft of second motor 26 drives two-way screw 29 and rotates, make two internal thread sleeves 30 inwards or outwards move, drive L shape connecting rod 33 inwards or outwards and move simultaneously, press from both sides tight fixed to concrete slab through splint 32, through above operation, can press from both sides the fastening with the concrete slab of equidimension not fixed, prevent when testing concrete slab, extrude concrete slab from the inside of U-shaped block 12, cause and can't measure concrete slab, lead to the waste time, influence measuring efficiency.

In this embodiment, specifically: a second sliding chute 28 is formed in the bottom wall of the inner side of the U-shaped block 12, sliding blocks 27 are welded to the bottoms of the two second connecting rods 31, and the outer side walls of the sliding blocks 27 are connected to the inner side walls of the second sliding chutes 28 in a sliding manner; the stability of the bidirectional screw 29 is improved by the second slide groove 28 being provided to engage with the slider 27, so that the bidirectional screw 29 can be operated more effectively.

In this embodiment, specifically: the outer side wall of the shell 1 is fixedly connected with a switch group 19, the electrical output end of the switch group 19 is respectively electrically connected with the electrical input ends of a first motor 22 and a second motor 26 through conducting wires, a pressure sensor 25 is installed inside the second block 14, a display 24 and a controller 23 are respectively installed on the front surface of the shell 1, the signal output end of the pressure sensor 25 is in signal connection with the signal input end of the display 24 through signals, and the signal output end of the display 24 is in signal connection with the signal input end of the controller 23 through signals; the switch group 19 is arranged, the switch group 19 respectively controls the starting and the closing of the first motor 22 and the second motor 26, and the pressure value of the concrete is displayed through the arranged pressure sensor 25, the controller 23 and the display 24.

The first motor 22 in this embodiment is of the type: YX3-100L 1-4.

The types of the pressure sensor 25 in this embodiment are: CYT-209.

The controller 23 in this embodiment has the following types: OHR-E100A-55.

The second motor 26 in this embodiment is of the type: 5IK60 GU-CF.

In summary, the working principle and the working process of the concrete structure strength testing device are that, when in use, firstly, an operator places a concrete block inside the U-shaped block 12, then the switch group 19 is used to start the first motor 22, the output shaft of the first motor 22 drives the first connecting rod 18 to rotate, the first connecting rod 18 drives the rotating rod 5 to rotate, the rotating rod 5 drives the second bevel gear 6 to rotate, the second bevel gear 6 drives the first bevel gear 3 to rotate, the first bevel gear 3 drives the first screw 9 to rotate, the first screw 9 drives the second plate 17 to rotate when rotating through the arranged inner ring gear thread 21, the second plate 17 slides inside the through hole 10 through the arranged through hole 10, so that when the second plate 17 descends, the second plate 17 drives the first plate 13 to descend, the concrete block placed inside the U-shaped block 12 is extruded through the arranged second block 14, the concrete blocks were thus tested.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a concrete structure strength test device, includes casing (1), its characterized in that: the inner side wall of the shell (1) is fixedly connected with a first motor (22), an output shaft of the first motor (22) is fixedly connected with a first connecting rod (18), one end, far away from the first motor (22), of the first connecting rod (18) is fixedly connected with a rotating rod (5), one end, far away from the first motor (22), of the rotating rod (5) is rotatably connected to the inner side wall of the shell (1), the outer side wall of the rotating rod (5) is symmetrically and fixedly connected with two second bevel gears (6), the outer side wall of each second bevel gear (6) is connected with a first bevel gear (3) in a meshed mode, the inner ring of each first bevel gear (3) is fixedly connected with a first screw rod (9), the upper surface of the shell (1) is symmetrically provided with two through holes (10), the inner side wall of each through hole (10) is slidably connected with a second plate body (17), and inner ring teeth threads (21) are arranged inside the, the utility model discloses a lead screw, including inner ring tooth screw thread (21), the inside wall threaded connection of inner ring tooth screw thread (21) in the lateral wall of first screw rod (9), two the first plate body of one side fixedly connected with (13) that second plate body (17) are adjacent, the welding of the lower surface center department of first plate body (13) has second block (14), the upper surface center department of casing (1) is provided with U-shaped block (12).

2. The apparatus for testing strength of a concrete structure according to claim 1, wherein: the clamping groove (16) is formed in the center of the upper surface of the shell (1), the clamping block (15) is welded to the lower surface of the U-shaped block body (12), and the outer side wall of the clamping block (15) is inserted into the inner side wall of the clamping groove (16).

3. The apparatus for testing strength of a concrete structure according to claim 2, wherein: the spring (11) that inboard diapire fixedly connected with equidistance of draw-in groove (16) was arranged, spring (11) are kept away from the one end fixedly connected with damping plate (4) of draw-in groove (16), damping plate (4) are located the bottom of fixture block (15).

4. The apparatus for testing strength of a concrete structure according to claim 1, wherein: the utility model discloses a casing, including casing (1), the inside wall fixedly connected with equidistance of casing (1) is arranged dead lever (7), annular spout (2) have been seted up to the inside of dead lever (7), bull stick (5) with the lateral wall of first connecting rod (18) rotate connect in the inside wall of annular spout (2).

5. The apparatus for testing strength of a concrete structure according to claim 1, wherein: the inner side wall of the shell (1) is fixedly connected with a bearing (8), and one end, far away from the first connecting rod (18), of the rotating rod (5) is fixedly connected with an inner ring of the bearing (8).

6. The apparatus for testing strength of a concrete structure according to claim 1, wherein: inside wall fixedly connected with second motor (26) of U-shaped block (12), the two-way screw rod (29) of output shaft fixedly connected with of second motor (26), keep away from two-way screw rod (29) the one end fixed connection of second motor (26) in the inside wall of U-shaped block (12), the lateral wall symmetry threaded connection of two-way screw rod (29) has internal thread sleeve (30), the lateral wall of internal thread sleeve (30) symmetry fixedly connected with second connecting rod (31) and L shape connecting rod (33) respectively, two splint (32) have all been welded to the adjacent one side of L shape connecting rod (33).

7. The apparatus for testing strength of a concrete structure according to claim 6, wherein: second spout (28) have been seted up to the inboard diapire of U-shaped block (12), two slider (27) have all been welded to the bottom of second connecting rod (31), the lateral wall sliding connection of slider (27) in the inside wall of second spout (28).

8. The apparatus for testing strength of a concrete structure according to claim 6, wherein: the utility model discloses a motor, including casing (1), lateral wall fixedly connected with switch group (19) of casing (1), the electrical output of switch group (19) pass through the wire respectively with first motor (22) with the electrical input end electric connection of second motor (26), the internally mounted of second block (14) has pressure sensor (25), display (24) and controller (23) are installed respectively to the front surface of casing (1), the signal output part passing signal of pressure sensor (25) with the signal input part signal connection of display (24), the signal output part passing signal of display (24) with the signal input part signal connection of controller (23).