Concrete anti-cracking performance experimental device

Abstract

The utility model discloses a concrete crack resistance experiment device, which relates to the technical field of concrete experiment equipment and comprises an equipment main body, the equipment main body is divided into an upper layer and a lower layer, an experiment layer is arranged on the upper layer of the equipment main body, a blanking replacement layer is arranged on the lower layer of the equipment main body, and an experiment table is arranged at the inner bottom of the experiment layer. A plurality of lifting channels which are transversely arranged at intervals are formed in the outer wall of the experiment table, the lower ends of the lifting channels extend into the discharging replacement layer, a pressure applying assembly is installed above the lifting channels, a lifting assembly is installed below the lifting channels, and a displacement assembly is installed below the pressure applying assembly. The problems that after an existing concrete experiment device is used for an experiment, a new round of experiment operation can be carried out only by manually disassembling a test block and then installing a new test block, and due to the fact that multiple rounds of experiments are needed in the experiment process, the equipment efficiency is low, and much time is wasted in disassembly, assembly and replacement are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete experimental equipment technical field, concretely is a kind of concrete crack resistance experimental device. BACKGROUND

[0002] Concrete is with cementitious material, water and aggregate as main component, according to proper proportion mixing, after stirring, pouring molding, by cementitious material consolidation and become a kind of artificial stone;To ensure concrete product quality, need to use experimental equipment to detect concrete crack resistance.

[0003] For example, the announcement number: CN214844533U, named "a kind of concrete crack resistance experimental device", including box, the inside lower side of box is fixed with bottom plate and is divided into water storage cavity and experimental cavity by bottom plate, the left and right outer side wall of box is fixedly connected with temperature control cover, the inside of two temperature control covers is respectively fixed with hot air blower and refrigeration component, the left and right side wall of box is all set up with the air inlet hole matched with temperature control cover, the lower end of two temperature control covers is fixedly connected with return pipe, and the end of two return pipes away from same side temperature control cover is all set through water storage cavity and extends to the inside setting of experimental cavity, the lower end of right side wall of box is fixedly connected with pump body. By simulating and accurately controlling temperature and humidity, simulating to concrete test block is pressed and impacted, can make experimental result more close to actual situation, enrich experimental result, it is convenient to use.

[0004] The above-mentioned existing concrete experimental device needs to be manually unloaded after experiment The test block is installed with a new test block to perform a new round of experimental operation, and since the experimental process needs to be tested for multiple rounds, the device is low in efficiency and wastes a lot of time on disassembly and replacement. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of concrete crack resistance experimental device to solve the problem that the existing concrete experimental device needs to be manually unloaded after experiment The test block is installed with a new test block to perform a new round of experimental operation, and since the experimental process needs to be tested for multiple rounds, the device is low in efficiency and wastes a lot of time on disassembly and replacement.

[0006] To achieve the above object, the utility model provides the following technical scheme: a concrete anti -cracking performance experiment device, include: equipment main part, equipment main part is divided into two layers, the upper layer of equipment main part is provided with experiment layer, the lower layer of equipment main part is provided with the layer of change of discharge, the inner bottom of experiment layer is installed experiment table, a plurality of transverse interval arrangement's lifting channel is seted up on the outer wall of experiment table, and the lower end of lifting channel extends to the layer of change of discharge, the top of lifting channel is installed with pressure assembly, the below of lifting channel is installed with lifting assembly, the below of pressure assembly is installed with displacement assembly.

[0007] Preferably, the lifting assembly comprises a second electric telescopic rod, and a test block placing table is installed at the telescopic end of the second electric telescopic rod.

[0008] Preferably, the pressure assembly comprises L-shaped supports symmetrically arranged front and back, a top plate is installed between the L-shaped supports, a gas cylinder is installed at the upper end of the top plate, and a pressure block is installed at the telescopic end of the gas cylinder.

[0009] Preferably, a limiting assembly is installed on the inner side wall of the L-shaped support, the limiting assembly comprises a first electric telescopic rod, and a limiting block is installed at the telescopic end of the first electric telescopic rod.

[0010] Preferably, the displacement assembly comprises a ball screw, and a secondary rod is arranged on both sides of the ball screw; and a screw motor is installed at one end of the ball screw.

[0011] Preferably, a screw block is installed on the outer wall of the ball screw and the secondary rod, and the L-shaped support is installed above the screw block through bolts.

[0012] Preferably, a camera is installed on one side of the gas cylinder.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] (1) In the utility model, the concrete test block is detected by the pressure assembly, and whether cracks appear on the test block after being pressed is observed, so that the anti-cracking performance of the concrete test block can be judged according to the applied pressure value; after the anti-cracking performance experiment is completed, the pressure assembly is moved to another test block position by the displacement assembly, and the user replaces the test block in the process, so that the efficiency of the concrete anti-cracking performance experiment can be improved.

[0015] (2), the utility model discloses, before test block experiment, place concrete test block in the placing groove of test block placing table, then through the second electric telescopic rod, stretch upwards, and the test block is stretched to the lifting channel of experiment table, realizes the feeding operation of test block, and when feeding, the user mainly operates at the unloading replacement layer, avoids the mistaken touch and the mistaken injury in the experimental layer, when unloading, the second electric telescopic rod drives test block placing table to go down, so that the user can carry out the replacement operation in the unloading replacement layer, improves the efficiency when the user replaces, and improves the safety when replacing. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the experiment table and displacement component structure schematic diagram of the utility model;

[0018] Figure 3 It is the pressure assembly and limiting component structure schematic diagram of the utility model;

[0019] Figure 4 It is the lifting assembly structure schematic diagram of the utility model;

[0020] In the drawing: 1, equipment main body;101, experimental layer;102, unloading replacement layer;2, experiment table;201, lifting channel;3, displacement component;301, ball screw;302, screw motor;303, vice pole;304, screw sliding block;4, pressure assembly;401, L type support;402, top plate;403, air cylinder;404, pressure block;5, camera;6, limiting component;601, first electric telescopic rod;602, limiting block;7, lifting assembly;701, second electric telescopic rod;702, test block placing table;703, placing groove. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Please refer to Figures 1-4The utility model provides an embodiment: a kind of concrete crack resistance performance experimental device, comprising: equipment main body 1, equipment main body 1 is divided into two layers, the upper layer of equipment main body 1 is provided with experimental layer 101, the lower layer of equipment main body 1 is provided with blanking replacement layer 102, the inner bottom of experimental layer 101 is equipped with experiment table 2, a plurality of transverse interval arrangement's lifting channel 201 are set up on the outer wall of experiment table 2, and the lower end of lifting channel 201 extends to blanking replacement layer 102, pressing assembly 4 is installed above lifting channel 201, lifting assembly 7 is installed below lifting channel 201, pressing assembly 4 includes the L type support 401 of front-back symmetry, top plate 402 is installed between L type support 401, the upper end of top plate 402 is equipped with cylinder 403, cylinder 403's telescopic end is equipped with pressing block 404, camera 5 is installed on the side of cylinder 403;

[0023] the crack of test block is observed after being pressed, so that the crack resistance of the concrete test block can be judged according to the pressure value, specifically, the pressing block 404 is contacted with the concrete test block by the cylinder 403, and the pressure operation is carried out on it;After the crack resistance experiment is finished, the displacement assembly 3 drives the pressing assembly 4 to move to another test block position, and the user replaces the test block in the process, so that the concrete crack resistance experiment efficiency can be improved;In addition to the observation operation of the user, the pressing process can also be recorded by the setting of camera 5, which is convenient for the user to compare and check the experimental record data subsequently, when the pressing assembly 4 moves, camera 5 will follow the movement, to ensure that it can follow the shooting operation.

[0024] Specifically, the displacement assembly 3 is installed below the L type support 401, the displacement assembly 3 includes ball screw 301, the two sides of ball screw 301 are provided with auxiliary rod 303, one end of ball screw 301 is equipped with screw motor 302, ball screw 301 and auxiliary rod 303 are equipped with screw block 304 on the outer wall, and L type support 401 is installed above screw block 304 by bolt;

[0025] The driving of screw motor 302 makes screw block 304 drive the displacement operation of the pressing assembly 4 above, and the position of pressing assembly 4 is switched by displacement, and the test block at different positions is pressed.

[0026] Further, the lifting assembly 7 comprises a second electric telescopic rod 701, a test block placing table 702 is installed at the telescopic end of the second electric telescopic rod 701, and a placing groove 703 is formed in the upper surface of the test block placing table 702; before the test block experiment, the concrete test block is placed in the placing groove 703 of the test block placing table 702, and then the second electric telescopic rod 701 is stretched upwards to stretch the test block into the lifting channel 201 of the experiment table 2, so that the feeding operation of the test block is realized; when feeding, the user mainly operates at the discharging replacement layer 102, so as to avoid mistaken touch and injury in the experiment layer 101; when discharging, the second electric telescopic rod 701 drives the test block placing table 702 to move downwards, so that the user can perform the replacement operation in the discharging replacement layer 102, the efficiency of the user when replacing is improved, and the safety when replacing is improved.

[0027] Please refer to the drawings, the inner side wall of the L-shaped support 401 is provided with a limiting assembly 6, the limiting assembly 6 comprises a first electric telescopic rod 601, and a limiting block 602 is installed at the telescopic end of the first electric telescopic rod 601; through the first electric telescopic rod 601 and the limiting block 602, the effect of limiting the two sides of the test block can be achieved.

[0028] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A device for testing the crack resistance of concrete, comprising a device body (1), characterized in that: The device body (1) is divided into two layers, the upper layer of the device body (1) is provided with an experimental layer (101), and the lower layer of the device body (1) is provided with a blank replacement layer (102), the inner bottom of the experimental layer (101) is provided with an experiment table (2), a plurality of transverse interval arranged lifting channels (201) are formed in the outer wall of the experiment table (2), and the lower end of the lifting channel (201) extends into the blank replacement layer (102), a pressing assembly (4) is installed above the lifting channel (201), a lifting assembly (7) is installed below the lifting channel (201), and a displacement assembly (3) is installed below the pressing assembly (4).

2. The experimental device for testing the anti-cracking performance of concrete according to claim 1, characterized in that: The lifting assembly (7) comprises a second electric telescopic rod (701), and the telescopic end of the second electric telescopic rod (701) is provided with a test block placing table (702), and the upper surface of the test block placing table (702) is provided with a placing groove (703).

3. The experimental device for testing the anti-cracking performance of concrete according to claim 1, characterized in that: The pressing assembly (4) comprises L-shaped supports (401) arranged symmetrically in front and back, a top plate (402) is installed between the L-shaped supports (401), a gas cylinder (403) is installed at the upper end of the top plate (402), and a pressing block (404) is installed at the telescopic end of the gas cylinder (403).

4. The device for testing the anti-cracking performance of concrete according to claim 3, characterized in that: The inner side wall of the L-shaped support (401) is provided with a limiting assembly (6), and the limiting assembly (6) comprises a first electric telescopic rod (601), and the telescopic end of the first electric telescopic rod (601) is provided with a limiting block (602).

5. The device for testing the anti-cracking performance of concrete according to claim 3, characterized in that: The displacement assembly (3) comprises a ball screw (301), and the two sides of the ball screw (301) are provided with auxiliary rods (303), and one end of the ball screw (301) is provided with a screw rod motor (302).

6. The device for testing the anti-cracking performance of concrete according to claim 5, characterized in that: The outer wall of the ball screw (301) and the auxiliary rod (303) is provided with a screw rod sliding block (304), and the L-shaped support (401) is installed above the screw rod sliding block (304) through bolts.

7. The device for testing the anti-cracking performance of concrete according to claim 3, characterized in that: One side of the gas cylinder (403) is provided with a camera (5).

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