CN219265955U

CN219265955U - Test device for compression resistance

Info

Publication number: CN219265955U
Application number: CN202320051604.3U
Authority: CN
Inventors: 张宇贝; 魏朝辉; 金林洁; 程晓鑫; 张姣; 杨焕; 金凯; 王培利; 杜要; 张瑶; 翟旭红
Original assignee: Zhejiang Shuzhijiaoyuan Technology Co Ltd
Current assignee: Zhejiang Shuzhijiaoyuan Technology Co Ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-27
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses a compression-resistant test device, which comprises a pressure test table, a sputtering-resistant assembly, a test block bracket, a support back frame and a pressing assembly, wherein the pressure test table is arranged on the pressure test table; the anti-sputtering component comprises a fixed protection plate, a top plate and a movable protection plate, and a driving mechanism is correspondingly arranged on the outer side of the movable protection plate; a pressure measuring cavity is formed between the movable protection plate and the fixed protection plate; the test block bracket is fixedly arranged on the test press table; the support back frame is fixedly arranged on the back side of the pressure testing table; the pressure applying component comprises a driving cylinder and Shi Yatou arranged at the front end of the driving cylinder, and the pressure applying head extends into the pressure measuring cavity and is arranged corresponding to the test block bracket. According to the utility model, a plurality of concrete test blocks can be placed in the pressure test spaces separated by the partition plates, the concrete test blocks are pressed by the pressing assembly, and meanwhile, the compression test is carried out on the concrete test blocks, so that the detection efficiency of the compression test of the concrete test blocks is improved; the anti-sputtering cavity formed by the anti-sputtering component can prevent the concrete test block from being broken, sputtered and damaged to operators.

Description

Test device for compression resistance

Technical Field

The utility model relates to the technical field of compression tests, in particular to a compression-resistant test device.

Background

In recent years, the economy of China is fast flying, the scale of highway construction is continuously increased, the surface layer of the concrete road has better flatness and stability, the post maintenance operation is simpler and more convenient, and the concrete road is widely used in highway construction in various cities, so that a good effect is obtained. The quality of the roadbed and the pavement directly influences the safety and the stability of the highway, so that the compressive strength entity detection aiming at the concrete pavement is very important.

Chinese patent CN214703120U discloses "a highway engineering compression test device", and the device drives the push pedal when the clamp plate pushes down through setting up measuring mechanism in the both sides of protective housing, and the distance that the magnetic path moved down can be measured through the scale mark to the degree accessible measuring mechanism that the test block produced deformation under certain pressure is measured, and obtains measurement data through contrasting the scale mark, effectively reduces the error, improves compression test's accuracy. Although the technical scheme reduces the compression error of the test block and improves the accuracy of the compression test by measuring the pressing distance of the press block on the surface of the test block; however, in the prior art, the compression test of highway engineering generally adopts a plurality of test blocks to measure so as to reduce the compression detection error of the test blocks, and the compression test is carried out in a mode that the test device can only carry out single and repeated measurement when detecting, so that the detection efficiency of the compression test is not high.

Disclosure of Invention

The utility model aims to: the utility model aims to provide a compression-resistant test device, which improves the compression-resistant detection efficiency of a concrete test block.

The technical scheme is as follows: the utility model relates to a compression-resistant test device, which comprises:

a pressure testing table;

the anti-sputtering component comprises fixed protection plates arranged on the front side and the rear side of the pressure testing table, a top plate arranged on the top end of the fixed protection plates and movable protection plates arranged at the two ends of the fixed protection plates in a sliding manner, and driving mechanisms are correspondingly arranged on the outer sides of the movable protection plates; a pressure measuring cavity is formed between the movable protection plate and the fixed protection plate;

the test block support is fixedly arranged on a pressure testing machine table in the pressure testing cavity;

the support back frame is fixedly arranged on the back side of the pressure testing table;

the pressure application assembly comprises a driving cylinder fixedly arranged on the support back frame and a pressure application head arranged at the front end of the driving cylinder, and the pressure application head stretches into the pressure measurement cavity and is arranged corresponding to the test block bracket.

Preferably, the test block support comprises a fixed column fixedly arranged on the upper surface of the test press table, and a plurality of partition boards are symmetrically arranged on the periphery of the fixed column; the partition board is fixedly connected with the pressure testing machine.

Preferably, the pressing head comprises a pressing plate fixedly connected with the telescopic end of the driving cylinder and a plurality of pressing blocks symmetrically arranged on the bottom surface of the pressing plate, and the number of the pressing blocks is consistent with that of the partition plates.

Preferably, the two ends of the pressure testing machine are provided with moving grooves at the outer sides of the moving protection plates; the driving mechanism comprises a transmission screw rod arranged in the moving groove, a stepping motor in transmission connection with the outer end of the transmission screw rod and a thread bush sleeved on the inner side of the transmission screw rod, and the thread bush is fixedly connected with the bottom surface of the moving protection plate.

Preferably, the front end and the rear end of the movable protection plate can be correspondingly attached to the two end surfaces of the two fixed protection plates.

Preferably, the back support comprises a mounting plate correspondingly arranged above the top plate, and a plurality of support springs are fixedly arranged between the bottom surface of the mounting plate and the top plate.

Preferably, the driving cylinder is a driving cylinder, a hydraulic cylinder or a driving electric cylinder.

The beneficial effects are that: compared with the prior art, the utility model has the following advantages:

1. according to the testing device, the plurality of concrete test blocks are placed in the pressure testing space separated by the partition plate and correspond to the pressing blocks, the driving cylinder drives the pressing plates to move downwards through the external power equipment, the pressing plates move downwards to drive the pressing blocks to move downwards so as to press the concrete test blocks, and the pressing blocks are used for carrying out compression tests on the concrete test blocks at the same time, so that the detection efficiency of the compression test of the concrete test blocks is improved;

2. according to the anti-sputtering assembly, the two groups of stepping motors drive the transmission screw rods to rotate so as to drive the two groups of movable protection plates to be close to or far away from the two ends of the fixed protection plate, the bottom surface of the mounting plate downwards presses the top plate on the top surfaces of the movable protection plate and the fixed protection plate through the springs, so that a closed anti-sputtering pressure measuring cavity can be formed, and the situation that a concrete test block cannot bear pressure fragments to sputter and damage operators during a test is avoided.

Drawings

FIG. 1 is a schematic perspective view of a test apparatus according to the present utility model;

FIG. 2 is a longitudinal cross-sectional view of the test device of FIG. 1;

FIG. 3 is a cross-sectional view of the lateral structure of the test device of FIG. 1;

fig. 4 is a schematic view of the pressing head in fig. 2.

Reference numerals:

1. a pressure testing table; 2. a moving groove; 3. a sputter preventing assembly; 31. a stepping motor; 32. a drive screw; 33. a thread sleeve; 34. moving the protection plate; 35. fixing a protection plate; 36. a top plate; 37. a pressure measurement cavity; 4. a support back frame; 5. a spring; 6. a test block bracket; 7. a pressing assembly; 71. a drive cylinder; 72. a pressing plate; 73. briquetting; 8. fixing the column; 9. a partition plate; 10. and (3) mounting a plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the utility model, fall within the scope of protection of the utility model.

As shown in fig. 1 to 3, the compression-resistant test device comprises a test press table 1, a splash-proof assembly 3, a test block bracket 6, a back support 4 and a pressure application assembly 7; the anti-sputtering component 3 comprises a fixed protection plate 35 arranged on the front side and the rear side of the pressure testing table, a top plate 36 arranged on the top end of the fixed protection plate 35 and a movable protection plate 34 arranged at the two ends of the fixed protection plate in a sliding manner, wherein the front end and the rear end of the movable protection plate 34 can be correspondingly attached to the two end faces of the two fixed protection plates 35. The outer side of the movable protection plate 34 is correspondingly provided with a driving mechanism; the two ends of the pressure testing table 1 are positioned outside the movable protection plate 34, a movable groove 2 is arranged at the outer side of the movable protection plate 34, the driving mechanism comprises a transmission screw 32 arranged in the movable groove 2, a stepping motor 31 in transmission connection with the outer end of the transmission screw and a thread bush 33 sleeved at the inner side of the transmission screw, and the thread bush 33 is fixedly connected with the bottom surface of the movable protection plate 34; the two groups of movable protection plates are driven by the two groups of stepping motors to drive the transmission screw to rotate so as to drive the two groups of movable protection plates to be close to or far away from the two ends of the fixed protection plate, and when the two groups of movable protection plates are close to the fixed protection plate, a pressure measuring cavity 37 can be formed by the movable protection plate 34 and the fixed protection plate 35; the support back rest 4 is fixed to be located the pressure testing platform 1 dorsal side, and the support back rest 4 is including locating the mounting panel 10 of roof 36 top correspondingly, and the fixed a plurality of supporting springs 5 that are equipped with between mounting panel 10 bottom surface and the roof 36, and mounting panel 10 bottom surface compresses tightly roof 36 downwards at the removal guard plate 34 and fixed guard plate 35 top surface through spring 5, and then can form confined anti-sputtering pressure measurement cavity, and the concrete test block is at unable bear the pressure fragment sputtering damage operating personnel when avoiding the test.

As shown in fig. 2 and 3, the test block support 6 is fixedly arranged on the pressure testing machine table 1 in the pressure testing cavity 37, the test block support 6 comprises a fixing column 8 fixedly arranged on the pressure testing machine table 1, a plurality of partition plates 9 are symmetrically arranged on the periphery of the fixing column 8, the partition plates 9 are fixedly connected with the pressure testing machine table 1, and the number of the partition plates is set according to requirements. In a specific embodiment, the number of the partition boards is four, and a pressure test space is formed between two adjacent partition boards, so that a plurality of concrete test blocks are correspondingly placed in the pressure test spaces separated by the partition boards, and the pressure test of the concrete test blocks can be realized at one time, thereby improving the efficiency of the compression test of the concrete test blocks.

As shown in fig. 1 and 2, the pressing assembly 7 comprises a driving cylinder 71 fixedly arranged on the mounting plate 10 and a Shi Yatou arranged at the front end of the driving cylinder, and the pressing head extends into the pressure measuring cavity 37 and is arranged corresponding to the test block bracket 6; the pressing head comprises a pressing plate 72 fixedly connected with the telescopic end of the driving cylinder 71 and a plurality of pressing blocks 73 symmetrically arranged on the bottom surface of the pressing plate 72, and the number of the pressing blocks 73 is consistent with that of the partition plates 9. After the concrete test block is placed in the pressure test space separated by the partition plate, the driving cylinder drives the pressing plate to move downwards through external power equipment, the pressing plate moves downwards to drive the pressing block to move downwards to press the concrete test block, and the compression test is carried out on the concrete test blocks through the pressing block, so that the compression test detection efficiency of the concrete test block is improved.

In an alternative embodiment, the driving cylinder 71 is a driving cylinder, a hydraulic cylinder or a driving electric cylinder, and when the driving cylinder 71 is a driving cylinder, the external power device is an air pump device; when the driving cylinder 71 is a hydraulic cylinder, the external power equipment is a hydraulic oil station; when the driving cylinder 71 is a driving electric cylinder, the external power device is a power distribution cabinet. The pressing plate 72 can be driven to move up and down by the telescopic end of the driving cylinder 71, so that the pressing block 73 can move up and down.

The working principle or the working method of the utility model:

when the pressure testing machine works, the stepping motor 31 is controlled to drive the transmission screw 32 to reversely rotate, the movable protection plate 34 is driven to move outwards along the pressure testing machine, and the pressure testing cavity 37 is opened. Four concrete test blocks are placed in the pressure test spaces partitioned by the four partition plates 9 and correspond to the four press blocks 73 up and down. The two stepping motors 31 drive the two driving screws 32 to rotate so as to drive the two movable protection plates 34 to be close to the left end face and the right end face of the fixed protection plate 35 to form a closed pressure measuring cavity 37, the springs 5 on the bottom surface of the mounting plate 10 push the top plate 36 to be pressed on the top surfaces of the movable protection plates 34 and the fixed protection plates 35, and then the formed anti-sputtering cavity is formed, so that the situation that fragments are sputtered due to the fact that a concrete test block cannot bear pressure in a test is avoided. The driving cylinder 71 drives the pressing plate 72 to move downwards through external power equipment, the pressing plate 72 moves downwards to drive the pressing block 73 to move downwards to press the concrete test block, and the plurality of pressing blocks 73 are used for simultaneously carrying out compression tests on the plurality of concrete test blocks.

In the above embodiments, the circuits, the electronic components and the control parts are all related to the prior art, and those skilled in the art selectively set the circuits, the electronic components and the control parts according to requirements, which is needless to say, the protection of the present utility model does not relate to improvement of the control device and the control method.

The foregoing is a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model and are intended to be comprehended within the scope of the present utility model.

Claims

1. A test device for compression resistance, the test device comprising:

a press test table (1);

the anti-sputtering component (3), the anti-sputtering component (3) comprises a fixed protection plate (35) arranged on the front side and the rear side of the pressure testing table, a top plate (36) arranged on the top end of the fixed protection plate (35) and a movable protection plate (34) arranged at the two ends of the fixed protection plate in a sliding manner, and a driving mechanism is correspondingly arranged on the outer side of the movable protection plate (34); a pressure measuring cavity (37) is formed between the movable protection plate (34) and the fixed protection plate (35);

the test block support (6), the said test block support (6) is fixedly set in pressure testing machine (1) in the pressure measurement cavity (37);

the support back frame (4), the said support back frame (4) locates the back side of the test press platform (1) fixedly;

the pressure application assembly (7), the pressure application assembly (7) comprises a driving cylinder (71) fixedly arranged on the support back frame and a pressure application head arranged at the front end of the driving cylinder, and the pressure application head stretches into the pressure measurement cavity (37) and is arranged corresponding to the test block bracket (6).

2. The compression-resistant test device according to claim 1, wherein the test block bracket (6) comprises a fixed column (8) fixedly arranged on the upper surface of the test press table (1), and a plurality of partition boards (9) are symmetrically arranged on the periphery of the fixed column (8); the partition board (9) is fixedly connected with the pressure testing machine table (1).

3. The compression-resistant test device according to claim 2, wherein the pressure applying head comprises a pressing plate (72) fixedly connected with the telescopic end of the driving cylinder (71) and a plurality of pressing blocks (73) symmetrically arranged on the bottom surface of the pressing plate (72), and the number of the pressing blocks (73) is consistent with that of the partition plates (9).

4. The compression-resistant test device according to claim 1, wherein the two ends of the pressure test machine (1) are provided with a movable groove (2) outside the movable protection plate (34); the driving mechanism comprises a driving screw (32) arranged in the moving groove (2), a stepping motor (31) in transmission connection with the outer end of the driving screw and a thread sleeve (33) sleeved on the inner side of the driving screw, and the thread sleeve (33) is fixedly connected with the bottom surface of the moving protection plate (34).

5. The compression testing device according to claim 1, wherein the front and rear ends of the movable protection plates (34) are correspondingly attached to the two end surfaces of the two fixed protection plates (35).

6. The compression-resistant test device according to claim 1, wherein the back support (4) comprises a mounting plate (10) correspondingly arranged above the top plate (36), and a plurality of support springs (5) are fixedly arranged between the bottom surface of the mounting plate (10) and the top plate (36).

7. The compression testing device according to claim 1, wherein the driving cylinder (71) is a driving cylinder, a hydraulic cylinder or a driving electric cylinder.