CN218766443U - Concrete anti-cracking performance detection device - Google Patents

Abstract

The utility model relates to a concrete anti-cracking performance detection device, which belongs to the field of building material detection equipment, and comprises a detection rack, a support table and a detection component arranged on the detection rack, wherein the detection component comprises a lifting seat, a mounting frame, a mounting sleeve, a detection lifting column, a detection head, a rotating shaft and a cam; the utility model discloses can last pressurization to the concrete and detect and the circulation strikes the detection, can improve the efficiency and the precision that detect to its crack resistance of more comprehensive detection of concrete, have extensive application prospect in the concrete performance detects, have apparent practicality.

Description

Concrete anti-cracking performance detection device

The technical field is as follows:

the utility model relates to a building material check out test set field, concretely relates to concrete anti-cracking performance detection device.

Background art:

the concrete is artificial stone prepared from a gel material, coarse and fine aggregates, water and other additives according to a proper proportion. The concrete also has the characteristics of high compressive strength, good durability, wide strength grade range and the like. The crack resistance detection of concrete is one of the important links of concrete strength detection. The detection of the anti-cracking performance of the concrete is a main step for ensuring whether the concrete reaches the standard and is safe to use. The utility model discloses a utility model patent of application number CN202120572466.4 discloses a concrete anti-cracking performance detection device, and the device is few consuming time to the anti-crack experimental apparatus of concrete, can obtain more obvious experimental result in the short time, and is efficient, but prior art exists can not the cyclic impact in the concrete testing process, detects the anti-cracking performance of concrete under pressure shock. Therefore, the utility model provides a concrete crack resistance detection device to solve not enough and the shortcoming that prior art exists.

The utility model has the following contents:

the utility model aims at overcoming the weak point that above-mentioned prior art exists, and provide a concrete anti-cracking performance detection device.

The utility model adopts the technical proposal that:

the utility model provides a concrete crack resistance can detection device, includes detection rack, brace table and installs the determine module on detecting the rack, the determine module includes lift seat, mounting bracket, installation cover, detects the lift post, detects head, pivot and cam, be equipped with between the lift seat the installation cover, the activity is equipped with between the installation cover detect the lift post, the installation is equipped with the mounting bracket on the lift seat, pass through between the mounting bracket the pivot installation is equipped with the cam, the cam butt is in detect on the lift post, it is equipped with to detect the installation on the lift toe portion detect the head.

Preferably, the detection assembly further comprises a fixed plate, a reset spring and a fixed pulley, the top of the detection lifting column is provided with the fixed plate, the reset spring is arranged on the fixed plate and the detection lifting column between the lifting seats, the fixed pulley is arranged on the fixed plate, and the cam abuts against the fixed pulley.

Preferably, the detection assembly further comprises a limiting frame, the limiting frame is fixedly arranged on the lifting seat, sliding grooves are formed between the limiting frames, and the fixing plate is slidably arranged between the sliding grooves.

Preferably, a track is arranged on the detection rack, and the support table is arranged on the track.

The utility model has the advantages that: the utility model effectively solves the problem that the existing concrete anti-cracking performance detection equipment has a single detection mode, and can carry out continuous pressurization detection and cyclic impact detection on the concrete through the detection component arranged by the utility model, can more comprehensively detect the anti-cracking performance of the concrete, and ensure the accuracy of the detection result; the utility model discloses combine two kinds of detection methods to carry out the secondary to same concrete and detect, improved the efficiency and the precision that detect, have extensive application prospect in concrete performance detects, have apparent practicality.

Description of the drawings:

FIG. 1: the utility model discloses the three-dimensional structure schematic diagram at first visual angle.

FIG. 2 is a schematic diagram: the utility model discloses the three-dimensional structure schematic diagram at second visual angle.

FIG. 3: the utility model discloses detection assembly's local cross-sectional view.

FIG. 4: the utility model discloses spacing and the structural schematic who detects the lift post.

In the figure: 001. the detection device comprises a detection rack, 101, a track, 002, a support table, 003, a detection assembly, 301, a lifting seat, 302, a mounting rack, 303, a mounting sleeve, 304, a detection lifting column, 305, a detection head, 306, a rotating shaft, 307, a cam, 308, a fixing plate, 309, a reset spring, 310, a fixed pulley, 311, a limiting frame, 3111 and a sliding chute.

The specific implementation mode is as follows:

the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; to those skilled in the art, the usage or principle of the present invention in the drawings is as follows: it is to be understood that such known structures and their description may be omitted.

As shown in fig. 1-4, a concrete crack resistance detection device includes a detection rack 001, a support table 002 and a detection component 003 mounted on the detection rack 001, the detection component 003 includes a lifting seat 301, a mounting frame 302, a mounting sleeve 303, a detection lifting column 304, a detection head 305, a rotating shaft 306 and a cam 307, the mounting sleeve 303 is disposed between the lifting seat 301, the detection lifting column 304 is movably disposed between the mounting sleeve 303, the detection lifting column 304 freely moves up and down between the mounting sleeve 303, the mounting frame 302 is mounted on the lifting seat 301, the cam 307 is mounted between the mounting frame 302 through the rotating shaft 306, the cam 307 rotates through a driving motor, the cam 307 abuts against the detection lifting column 304, the detection head 305 is mounted on the bottom of the detection lifting column 304, a concrete block is placed on the support table 002, the detection head 305 performs a pressure crack resistance test on the concrete block in a descending process, the detection head 305 is provided with related existing pressure detection parts, and when the detection head 305 extrudes the concrete block, a pressure value generated can be detected. The lifting seat 301 and the side of the mounting rack 302 are lifted by screws, and when the cam 307 does not work, the lifting of the detection component 003 is realized by the screws. The concrete block can be extruded to descend vertically through the detection head 305 when the cam 307 does not work to detect the pressure anti-cracking performance, the critical pressure numerical value borne by the concrete block during cracking can be detected, the detection head 305 can also descend to a certain position away from the concrete block, the concrete block is circularly impacted when the cam 307 works, and the impact data and the surface crack condition of the concrete block at each time are recorded to judge the anti-cracking performance condition of the concrete block.

The further optimization of the scheme is set as follows: as shown in fig. 4, the detecting assembly 003 further includes a fixing plate 308, a return spring 309 and a fixed pulley 310, the fixing plate 308 is disposed on the top of the detecting lifting column 304, the return spring 309 is disposed on the detecting lifting column 304 between the fixing plate 308 and the lifting base 301, the fixed pulley 310 is disposed on the fixing plate 308, the cam 307 abuts on the fixed pulley 310, when the cam 307 is driven by the driving motor, the cam 307 abuts on the fixed pulley 310, the fixed pulley 310 is pressed in the process of rotating the long axis position of the cam 307 to the vertical direction, so that the detecting lifting column 304 descends, the detecting head 305 at the end of the detecting lifting column 304 presses the concrete block, when the short axis position of the cam 307 rotates to the vertical direction, the detecting lifting column 304 resets again under the action of the return spring 309, and the continuous rotation of the cam 307 realizes the cyclic impact of the detecting head 305 on the concrete block.

The further optimization of this scheme sets up as: as shown in fig. 3-4, the detecting assembly 003 further includes a limiting frame 311, the lifting seat 301 is fixed with the limiting frame 311, a sliding slot 3111 is formed between the limiting frames 311, the fixing plate 308 is slidably disposed between the sliding slots 3111, the cam 307 has a large component force in the horizontal direction during the process of extruding the fixed pulley 310, the stress of the mounting sleeve 303 can be effectively reduced by the arrangement of the limiting frame 311, the package can ensure the stability of the up-and-down movement of the detecting lifting column 304, and the cam 307 abuts against the fixed pulley 310 during the rotation process and does not touch the limiting frame 311.

The further optimization of this scheme sets up as: as shown in fig. 1, be equipped with track 101 on detecting rack 001, support table 002 is located on track 101, when carrying out anti crack performance to the concrete piece and detecting, place the concrete piece on support table 002, support table 002 is portable to detecting position under the head 305, it moves down to carry out pressure detection to the concrete piece to detect the head 305, support table 002 bears pressure equally, track 101 can come from bearing great support table 002, can not damage track 101, also can be equipped with the gyro wheel of weighing in support table 002 bottom, cooperation track 101 sets up and does benefit to support table 002 and removes, the gyro wheel of weighing has great bearing load equally.

The utility model discloses a theory of operation does: the concrete mass is first placed on the support table 002, the support table 002 is moved to a position directly below the detection head 305, and then the detection assembly 003 is moved down to a suitable position, typically with the detection head 305 spaced one quarter of the length of the short axis of the cam 307 from the surface of the concrete mass. When the drive motor is driven, the cam 307 rotates with the cam 307 abutting against the fixed pulley 310, so that the detection lifting column 304 is lowered and raised, and the detection head 305 at the end of the detection lifting column 304 performs cyclic impact on the concrete block. The concrete mass can be detected in another way, namely, when the cam 307 does not work, the lifting of the detection assembly 003 is realized by a screw rod. The concrete block can be subjected to pressure anti-cracking performance detection through the extrusion vertical drop of the detection head 305 when the cam 307 does not work, the critical pressure value borne by the concrete block during cracking is detected, and the anti-cracking performance condition of the concrete block is judged by recording related data and the surface crack condition of the concrete block.

In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (4)

1. A concrete crack resistance detection device which characterized in that: including detecting rack (001), brace table (002) and installing detection element (003) on detecting rack (001), detection element (003) are including lifting seat (301), mounting bracket (302), install bushing (303), detect lift post (304), detect head (305), pivot (306) and cam (307), be equipped with between lifting seat (301) install bushing (303), the activity is equipped with between install bushing (303) detect lift post (304), the installation is equipped with mounting bracket (302) on lifting seat (301), pass through between mounting bracket (302) pivot (306) installation is equipped with cam (307), cam (307) butt is in detect lift post (304) is last, it is equipped with to detect the installation on lift post (304) bottom detect head (305).

2. The concrete crack resistance detection device of claim 1, characterized in that: detection subassembly (003) still include fixed plate (308), reset spring (309) and fixed pulley (310), it is equipped with to detect lift post (304) top fixed plate (308), reset spring (309) are located fixed plate (308) with on the detection lift post (304) between lift seat (301), be equipped with on fixed plate (308) fixed pulley (310), cam (307) butt is in on fixed pulley (310).

3. The concrete crack resistance detection device of claim 2, characterized in that: the detection assembly (003) further comprises a limiting frame (311), the lifting seat (301) is fixedly provided with the limiting frame (311), a sliding groove (3111) is formed between the limiting frame (311), and the fixing plate (308) is slidably arranged between the sliding grooves (3111).

4. The concrete crack resistance detection device of claim 1, characterized in that: be equipped with track (101) on detection rack (001), brace table (002) are located on track (101).

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