CN215812120U

CN215812120U - Concrete compression testing machine

Info

Publication number: CN215812120U
Application number: CN202121694649.XU
Authority: CN
Inventors: 杨荣杰; 高建择
Original assignee: Fujian Shenbao Building Materials Co ltd
Current assignee: Fujian Shenbao Building Materials Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-02-11
Anticipated expiration: 2031-07-23

Abstract

The application discloses a concrete compression testing machine, which relates to the technical field of compression testing machines and solves the problem that a sample is easy to cause danger to workers when broken; at least two annular sleeves are arranged on the periphery of the upper pressing table; the diameters of the annular sleeves are sequentially increased from inside to outside, two adjacent annular sleeves are in sliding connection along the vertical direction, and a connecting structure is arranged between the two adjacent annular sleeves; the most inner annular sleeve is connected to the periphery of the upper pressing table. The method and the device can effectively reduce the danger to workers in the test process.

Description

Concrete compression testing machine

Technical Field

The application relates to the technical field of compression testing machines, in particular to a concrete compression testing machine.

Background

In the concrete production process, the produced concrete needs to be subjected to a strength test. At present, a pressure tester is generally adopted to carry out strength test on a test sample block.

In the test process of the concrete sample, the pressure tester applies vertical pressure to the concrete through the hydraulic column until the concrete sample is broken. In the process of concrete test cracking, the generated broken fragments are easy to splash and scatter around, and certain danger is easy to be caused to test workers.

SUMMERY OF THE UTILITY MODEL

In order to reduce the danger that causes the staff among the test procedure, this application provides a concrete compression testing machine.

The application provides a concrete compression testing machine adopts following technical scheme:

a concrete compression testing machine comprises a machine body, an upper pressing table, a lower pressing table and a control box, wherein the upper pressing table and the lower pressing table are arranged in the machine body, and the control box is arranged on one side of the machine body and used for the machine body to work; at least two annular sleeves are arranged on the periphery of the upper pressing table; the diameters of the annular sleeves are sequentially increased from inside to outside, two adjacent annular sleeves are in sliding connection along the vertical direction, and a connecting structure is arranged between the two adjacent annular sleeves; the most inner annular sleeve is connected to the periphery of the upper pressing table.

By adopting the technical scheme, in the test sample process, the annular sleeve covers the test sample, the upper pressure table and the lower pressure table are controlled to move by the control box until the test sample is broken, and the generated fragments are all covered in the annular sleeve, so that the danger to testers in the test process is reduced; in addition, the crushed samples are convenient to intensively clean; in addition, dust generated in the crushing process is also covered by the annular sleeve, so that the pollution to the test environment is reduced.

Optionally, the connecting structure includes a limiting groove and a limiting block, the two adjacent annular sleeves are sleeved with each other, the limiting groove is arranged on the outer wall of the annular sleeve positioned inside along the vertical direction, the limiting block is arranged on the inner wall of the annular sleeve positioned outside, and the limiting block slides in the limiting groove.

Through adopting above-mentioned technical scheme, stopper and spacing groove's cooperation for can not separate completely between two adjacent ring pockets.

Optionally, the limiting grooves are uniformly arranged along the circumferential side of the annular sleeve at intervals; the limiting blocks correspond to the limiting grooves one by one and are distributed at intervals along the circumferential sides of the annular sleeves.

By adopting the technical scheme, the limiting blocks are distributed at intervals, so that the adjacent two annular sleeves are more stable in the sliding process.

Optionally, the organism is including four stands, stand evenly spaced distribution is in pushing down table week side, and the annular cover week side outer wall in the outside is provided with the guide ring, the guide ring overlaps one by one and is located on the stand.

By adopting the technical scheme, the outer wall of the annular sleeve at the outermost side is provided with the guide ring, and the guide ring is matched with the inner part of the upright post bracket, so that the axial deflection of the annular sleeve is reduced.

Optionally, an annular groove is formed in the inner wall of the guide ring, and a ball is arranged in the annular groove in a rolling mode.

Through adopting above-mentioned technical scheme, the setting of ball for the annular cover in the outside can reduce the friction in the lift process, goes up and down smoothly.

Optionally, the innermost annular sleeve is detachably connected with the upper pressing table, and the guide ring is detachably mounted on the outermost annular sleeve.

Through adopting above-mentioned technical scheme, when the annular cover needs to be changed, can dismantle through the annular cover of the innermost and go up to press between the platform to be connected, and the guide ring can be dismantled and connect in the annular cover, is convenient for take out all annular covers. .

Optionally, locking bolts are arranged on the circumferential side of the innermost annular sleeve at uniform intervals, and penetrate through the annular sleeve to be in threaded connection with the side wall of the upper pressing table.

Through adopting above-mentioned technical scheme, innermost annular cover passes through locking bolt and is connected fixedly between the last pressure platform, and it is simple and convenient to dismantle or the installation.

Optionally, after all the annular sleeves shrink towards the upper pressing table, the side wall of the control box is rotatably provided with a butting rod for butting against the bottom of the outermost annular sleeve.

Through adopting above-mentioned technical scheme, when installation sample or take out the sample, need lift up the annular cover up, through the annular cover bottom of butt pole butt in the outside, keep all annular covers no longer to fall to be convenient for sample or loft.

In summary, the present application includes at least one of the following benefits:

1. in the process of sampling, the annular sleeve covers a test sample, and generated fragments are all covered in the annular sleeve, so that the danger to testers in the test process is reduced; in addition, the crushed samples are convenient to intensively clean; in addition, dust generated in the crushing process is also covered by the annular sleeve, so that the pollution to the test environment is reduced;

2. the arrangement of the guide ring and the balls ensures that the annular sleeve is smoother in the lifting process;

3. the setting of the butt-joint rod is convenient for taking and placing the sample.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is an exploded view of the collar of the present embodiment;

fig. 3 is an enlarged schematic view at a in fig. 2.

Description of reference numerals: 1. a body; 11. a column; 2. an upper pressing table; 3. pressing down the platform; 4. a control box; 5. an annular sleeve; 6. a connecting structure; 61. a limiting groove; 62. a limiting block; 7. a guide ring; 71. a ring groove; 72. a ball bearing; 8. a butting rod; 9. and locking the bolt.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses concrete compression testing machine. Referring to fig. 1, the compression testing machine includes a machine body 1, an upper pressure table 2 and a lower pressure table 3 installed in the machine body 1, and a control box 4 installed at one side of the machine body 1. The hydraulic cylinder is installed at the bottom of the lower pressing platform 3, and the lower pressing platform 3 is driven to lift through the hydraulic cylinder. The control box 4 controls the movement of the hydraulic cylinder to apply pressure to the concrete sample.

Referring to fig. 1 and 2, an annular sleeve 5 is mounted on the peripheral side outer wall of the upper platen 2. In this embodiment, four annular sleeves 5 are adopted, and the diameters of the annular sleeves 5 are sequentially increased from inside to outside, and the annular sleeves 5 are sleeved and connected one by one. Vertical sliding connection is formed between two adjacent annular sleeves 5, and a connecting structure 6 is arranged between two adjacent annular sleeves 5, so that the two annular sleeves 5 cannot be completely separated. The annular sleeve 5 is covered on the test sample, so that the danger of splashed fragments to workers in the test process can be effectively reduced.

Referring to fig. 2, the connection structure 6 includes a stopper groove 61 and a stopper 62. Between two adjacent annular cover 5, spacing groove 61 is seted up on being located inside annular cover 5 outer wall, and spacing groove 61 is seted up along vertical direction, and its length direction's both ends are enclosed construction. The stopper 62 is welded to the inner wall of the outer annular sleeve 5. Four limiting grooves 61 are uniformly arranged along the circumferential side of the inner wall of the annular sleeve 5 at intervals. The stopper 62 corresponds to the stopper groove 61 one by one. When two adjacent annular sleeves 5 are installed, one end of the limiting groove 61 can be extended to the end face of the annular sleeve 5, the limiting block 62 of the other annular sleeve 5 slides into the limiting groove 61, and then the end part of the limiting groove 61 is welded and blocked.

With reference to fig. 1 and 3, it is further convenient to keep the annular sheath 5 stable during the lifting and lowering operations. The machine body 1 comprises four upright posts 11. The four upright posts 11 are evenly distributed on the periphery of the lower pressing table 3 at intervals. The outermost annular sleeve 5 is fixedly connected with a guide ring 7 through bolts and nuts. The guide rings 7 are sleeved on the upright posts 11 one by one. The inner wall of the guide ring 7 is provided with a ring groove 71, the cross section of the ring groove 71 is in a circular arc structure, and the circumference of the circular arc is larger than a semicircle. A ball 72 is rollingly mounted in the ring groove 71. The annular sleeve 5 can be smoothly lifted and lowered by the rolling friction formed between the balls 72 and the column 11.

Referring to fig. 1 and 2, locking bolts 9 are arranged on the outer wall of the circumferential side of the innermost annular sleeve 5 in a penetrating manner, the locking bolts 9 are evenly distributed along the circumferential side of the annular sleeve 5 at intervals, and the locking bolts 9 penetrate through the annular sleeve 5 and then are connected to the side wall of the upper pressure table 2 in a threaded manner. Therefore, all the annular sleeves 5 can be conveniently taken down and are convenient to mount or dismount.

Referring to fig. 1, further, the sample is easy to take and place. The side wall of the control box 4 is rotatably provided with a butting rod 8. The rotating shaft of the abutting rod 8 is vertical to the ground. When the annular sleeve 5 on the outermost side is lifted up, the other annular sleeves 5 are driven to move upwards, and then the butt-joint rod 8 is rotated, so that the butt-joint rod 8 is abutted to the lower end face of the annular sleeve 5 on the outermost side, the annular sleeve 5 cannot fall down, and the sample can be conveniently taken and placed.

The implementation principle of the concrete compression testing machine in the embodiment of the application is as follows:

in the process of sampling, the annular sleeve 5 covers a test sample, and generated fragments are covered in the annular sleeve 5, so that the danger to a tester in the test process is reduced; in addition, the crushed samples are convenient to intensively clean; in addition, dust generated in the crushing process is also covered by the annular sleeve 5, so that the pollution to the test environment is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A concrete compression testing machine which is characterized in that: comprises a machine body (1), an upper pressing platform (2) and a lower pressing platform (3) which are arranged in the machine body (1), and a control box (4) which is arranged at one side of the machine body (1) and is used for the machine body (1) to work; at least two annular sleeves (5) are arranged on the periphery of the upper pressing table (2); the diameters of the annular sleeves (5) are sequentially increased from inside to outside, two adjacent annular sleeves (5) are in sliding connection along the vertical direction, and a connecting structure (6) is arranged between two adjacent annular sleeves (5); the innermost annular sleeve (5) is connected to the peripheral side of the upper pressing table (2).

2. A concrete compression testing machine as claimed in claim 1, characterized in that: connection structure (6) include spacing groove (61) and stopper (62), on two adjacent annulars (5), spacing groove (61) are seted up on being located inside annulars (5) outer wall along vertical direction, stopper (62) set up on being located outside annulars (5) inner wall, stopper (62) slide in spacing groove (61).

3. A concrete compression testing machine as claimed in claim 2, characterized in that: the limiting grooves (61) are uniformly arranged along the circumferential side of the annular sleeve (5) at intervals; the limiting blocks (62) correspond to the limiting grooves (61) one by one and are distributed at intervals along the circumferential side of the annular sleeve (5).

4. A concrete compression testing machine as claimed in claim 2, characterized in that: organism (1) is including four stands (11), stand (11) even interval distribution is in pushing down platform (3) week side, and the annular cover (5) week side outer wall in the outside is provided with guide ring (7), guide ring (7) overlap one by one is located on stand (11).

5. A concrete compression tester as claimed in claim 4, wherein: an annular groove (71) is formed in the inner wall of the guide ring (7), and a ball (72) is arranged in the annular groove (71) in a rolling mode.

6. A concrete compression tester as claimed in claim 5, wherein: the annular sleeve (5) at the innermost side is detachably connected with the upper pressing table (2), and the guide ring (7) is detachably arranged on the annular sleeve (5) at the outermost side.

7. A concrete compression tester as claimed in claim 6, wherein: locking bolts (9) are arranged on the circumferential side of the innermost annular sleeve (5) at even intervals, and the locking bolts (9) penetrate through the annular sleeve (5) to be in threaded connection with the side wall of the upper pressing table (2).

8. A concrete compression testing machine as claimed in claim 2, characterized in that: when all the annular sleeves (5) contract towards the upper pressing table (2), the side wall of the control box (4) is rotatably provided with a butting rod (8) for butting against the bottom of the outermost annular sleeve (5).