CN220542633U - Concrete fracture testing arrangement - Google Patents

Abstract

The utility model relates to a concrete fracture testing device, which includes an installation box. A placement box is provided inside the installation box. A mounting plate is fixedly installed inside the installation box. A fixing mechanism is provided on the top of the installation plate. There are two mounting seats fixedly installed on the top of the mounting box. Two screws are movable inside the two mounting seats. A drive box is provided on the top of the two screws. The outer surfaces of the two screws are sleeved. There are moving boxes. This concrete fracture testing device has a better fixing effect by setting up a fixing mechanism. At the same time, it can buffer the vibration of the concrete block when it is monitored, increase the stability of the detection, and prevent the concrete from being damaged due to excessive pressure. This causes concrete blocks to splash and creates safety hazards. When the existing test devices are used, most of them are fixed by rigid clamping and lack of buffering function, resulting in poor fixation stability and extremely inconvenient to use.

Description

A concrete fracture testing device

Technical field

The utility model relates to the technical field of concrete fracture testing, specifically a concrete fracture testing device.

Background technique

Before concrete is put into use, the toughness of the concrete needs to be tested. That is, the concrete fracture test is usually carried out with a universal testing machine. The universal testing machine is a material that integrates tensile, bending, compression, shear, ring stiffness and other functions. The testing machine is mainly used for testing the mechanical properties of metal and non-metal materials. It is an ideal testing equipment for industrial and mining enterprises, scientific research units, colleges and universities, engineering quality supervision stations and other departments.

Universal testing machine is also called universal material testing machine, or tensile machine, double screw series, with integrated structure of control, measurement and operation, integrating contemporary advanced technology, with high precision, wide speed range, compact structure, easy operation, It has the advantages of stable performance, etc. However, the existing universal testing machine lacks a buffer device after use. When the concrete block is tested, it will withstand a certain pressure until the concrete breaks. In this process, the concrete is easily broken. Stable vibrations and even splashing affect the safety of users. Therefore, a concrete fracture testing device is proposed to solve the above problems.

Utility model content

In view of the shortcomings of the existing technology, the utility model provides a concrete fracture testing device, which has the advantages of buffering and increasing stability, and solves the problem that the existing universal testing machine lacks a buffering device after use and performs testing on concrete blocks. During the inspection, it will withstand a certain amount of pressure until the concrete breaks. During this process, the concrete is prone to unstable vibrations and even collapse, which affects the safety of users.

In order to achieve the above purpose, the present utility model provides the following technical solution: a concrete fracture testing device, including an installation box, a placement box is provided inside the installation box, and a mounting plate is fixedly installed inside the installation box. A fixing mechanism is provided on the top of the board. Two mounting seats are fixedly mounted on the top of the mounting box. Two screws are movable inside the two mounting seats. A drive box is provided on the top of the two screws. A moving box is sleeved on the outer surface of each of the screws, a control panel is fixedly installed on the right side of the moving box, a connecting plate is fixedly installed on the bottom of the moving box, and a pressure hammer is movably installed on the bottom of the connecting plate;

The fixing mechanism includes a dual-axis motor. The dual-axis motor is fixedly installed on the top of the mounting plate. The output shafts of the dual-axis motor are fixedly connected with threaded shafts. The outer surfaces of the two threaded shafts are sleeved with Moving blocks, the tops of the two moving blocks are fixedly equipped with moving plates, the interiors of the two moving plates are movably installed with fixed rods, and the opposite ends of the two fixed rods are fixedly installed with fixed plates. The outer surfaces of the two fixed rods are provided with baffles, the outer surfaces of the two fixed rods are sleeved with spring barrels, and the opposite ends of the two fixed rods are fixed with push plates. A placement plate is movably installed at the bottom of the push plate, and a pressure sensor is provided at the bottom of the placement plate.

Further, the bottom of the pressure sensor is fixedly connected to the top of the installation box, and the top of the placement plate is provided with a moving slot that is adapted to the two push plates.

Further, a first threaded groove adapted to the two screw rods is provided in the interior of the moving box, and a rotation groove adapted to the two screw rods is provided in the interior of the two mounting seats.

Further, the top of the installation box is provided with a moving slot that is adapted to the two moving plates, and the front of the installation box is provided with a cover plate, and the front of the installation box is provided with a switch door.

Further, opposite threads are provided on the outer surfaces of the two threaded shafts, and second thread grooves matching the two threaded shafts are provided inside the two moving blocks.

Further, the two moving plates are located inside the two moving grooves, and the two moving plates are located between the two mounting seats, and the opposite surfaces of the two spring barrels are fixedly connected to the two The opposite surfaces of the push plate and the two spring barrels are fixedly connected to the opposite surfaces of the two moving plates.

Compared with the existing technology, the technical solution of this application has the following beneficial effects:

This concrete fracture testing device has a better fixing effect by setting up a fixing mechanism. At the same time, it can buffer the vibration of the concrete block when it is monitored, increase the stability of the detection, and prevent the concrete from being damaged due to excessive pressure. Causes concrete blocks to splash, causing safety hazards. When the existing test devices are used, most of them are fixed by hard clamping and lack of buffering function, resulting in poor fixation stability and extremely inconvenient use. The setting of the fixing mechanism It effectively solves this problem and is more effective and practical than existing equipment.

Description of drawings

Figure 1 is a three-dimensional view of the structural installation box of the present utility model;

Figure 2 is a front cross-sectional view of the structure of the present utility model;

Figure 3 is a structural diagram of the structural fixing mechanism of the present utility model.

In the picture: 1. Installation box; 2. Placement box; 3. Installation plate; 4. Fixed mechanism; 401. Dual-axis motor; 402. Threaded shaft; 403. Moving block; 404. Moving plate; 405. Fixed rod; 406 , fixed plate; 407, baffle; 408, spring barrel; 409, push plate; 410, placement plate; 411, pressure sensor; 5, mounting base; 6, screw; 7, drive box; 8, moving box; 9. Control panel; 10. Connection plate; 11. Pressure hammer.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figure 1-3. A concrete fracture testing device in this embodiment includes an installation box 1. A placement box 2 is provided inside the installation box 1. A mounting plate 3 is fixedly installed inside the installation box 1. The installation plate 3 A fixing mechanism 4 is provided on the top of the installation box 1. Two mounting bases 5 are fixedly installed on the top of the mounting box 1. Two screw rods 6 are movablely installed inside the two mounting bases 5. A drive box 7 is provided on the top of the two screw rods 6. The outer surface of each screw 6 is sleeved with a moving box 8, a control panel 9 is fixedly installed on the right side of the moving box 8, a connecting plate 10 is fixedly installed at the bottom of the moving box 8, and a pressure hammer 11 is movably installed at the bottom of the connecting plate 10;

The fixing mechanism 4 includes a dual-axis motor 401. The dual-axis motor 401 is fixedly installed on the top of the mounting plate 3. The output shafts of the dual-axis motor 401 are fixedly connected with threaded shafts 402, and the outer surfaces of the two threaded shafts 402 are sleeved for movement. Block 403, a moving plate 404 is fixedly installed on the top of the two moving blocks 403, a fixed rod 405 is movably installed inside the two moving plates 404, and a fixed plate 406 is fixedly installed at the opposite end of the two fixed rods 405. The outer surfaces of the two fixed rods 405 are both provided with baffles 407, and the outer surfaces of the two fixed rods 405 are both sleeved with spring barrels 408. The opposite ends of the two fixed rods 405 are fixedly equipped with push plates 409, and the two push plates are fixedly installed on the outer surfaces of the two fixed rods 405. A placement plate 410 is movably installed at the bottom of the plate 409, and a pressure sensor 411 is provided at the bottom of the placement plate 410.

Through the setting of the installation box 1, the installation and fixing effect can be provided for the equipment. The setting of the placing box 2 can be equipped with a PLC controller and power supply terminal equipment inside. Through the setting of the mounting plate 3, the installation and fixing effect can be provided for the double-axis motor 401. The installation base 5 and the screw 6, the drive box 7, the moving box 8 and the control panel 9 are arranged to drive the moving box 8 to drive the connecting plate 10 and the pressure hammer 11 down, thereby exerting pressure on the concrete block.

When implementing, follow these steps:

1) First start the dual-axis motor 401 to start rotating, and further drive the two threaded shafts 402 to rotate. Due to the settings of the second threaded groove and the moving groove, the two moving blocks 403 can move relative to each other;

2) Then the two moving blocks 403 drive the two moving plates 404 to move relative to each other at the same time, and at the same time drive the two fixed rods 405, the fixed plate 406 and the baffle 407 to move simultaneously;

3) Due to the setting of the spring barrel 408 and the relative displacement of the two fixed rods 405, the two push plates 409 are relatively displaced to clamp and fix the concrete block;

4) Finally, the reaction force and extrusion characteristics of the spring barrel 408 are used to reduce the vibration of the concrete block after being stressed and maintain the stability of the detection.

To sum up, the concrete fracture testing device has a better fixing effect by setting the fixing mechanism 4. At the same time, it can buffer the vibration of the concrete block when it is monitored, increase the stability of the detection, and avoid failure due to concrete After being subjected to excessive pressure, concrete blocks will splash, causing safety hazards. When the existing test devices are used, most of them are fixed by hard clamping and lack of buffering function, resulting in poor fixation stability and extremely difficult to use. Inconvenient, the setting of the fixing mechanism 4 effectively solves this problem. Compared with the existing equipment, it has better use effect and is more practical at the same time.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations are mutually exclusive. any such actual relationship or sequence exists between them. Furthermore, the terms "comprises," "comprises," or any other variations thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article, or apparatus that includes the stated element.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A concrete fracture testing device, comprising an installation box (1), characterized in that: a placement box (2) is provided inside the installation box (1), and an installation box (2) is fixedly installed inside the installation box (1). board (3), a fixing mechanism (4) is provided on the top of the mounting plate (3), two mounting seats (5) are fixedly mounted on the top of the mounting box (1), and the two mounting seats (5) ) are movably installed with two screws (6) inside, a drive box (7) is provided at the top of the two screws (6), and a moving box (8) is sleeved on the outer surface of the two screws (6) , a control panel (9) is fixedly installed on the right side of the moving box (8), a connecting plate (10) is fixedly installed on the bottom of the moving box (8), and a movable connecting plate (10) is installed on the bottom of the connecting plate (10). pressure hammer(11); The fixing mechanism (4) includes a biaxial motor (401). The biaxial motor (401) is fixedly installed on the top of the mounting plate (3). The output shafts of the biaxial motor (401) are fixedly connected with threads. shaft (402), the outer surfaces of the two threaded shafts (402) are sleeved with moving blocks (403), and the tops of the two moving blocks (403) are fixedly installed with moving plates (404). Fixed rods (405) are movably installed inside the moving plate (404), and fixed disks (406) are fixedly installed at the opposite ends of the two fixed rods (405). The two fixed rods (405) ) are provided with baffles (407) on their outer surfaces, spring barrels (408) are sleeved on their outer surfaces, and the opposite ends of the two fixed rods (405) are fixedly installed. There are push plates (409), and placement plates (410) are movably installed at the bottoms of the two push plates (409). A pressure sensor (411) is provided at the bottom of the placement plates (410). 2. A concrete fracture testing device according to claim 1, characterized in that: the bottom of the pressure sensor (411) is fixedly connected to the top of the installation box (1), and the top of the placement plate (410) is provided with A moving slot adapted to the two push plates (409). 3. A concrete fracture testing device according to claim 1, characterized in that: a first threaded groove adapted to the two screws (6) is provided inside the moving box (8), and Rotation grooves adapted to the two screws (6) are provided inside the two mounting seats (5). 4. A concrete fracture testing device according to claim 1, characterized in that: the top of the installation box (1) is provided with a moving slot that is adapted to the two moving plates (404), and is installed The front of the box (1) is provided with a cover plate, and the front of the installation box (1) is provided with a switch door. 5. A concrete fracture testing device according to claim 1, characterized in that: the outer surfaces of the two threaded shafts (402) are provided with opposite threads, and the interiors of the two moving blocks (403) are evenly spaced. A second threaded groove matching the two threaded shafts (402) is provided. 6. A concrete fracture testing device according to claim 1, characterized in that: the two moving plates (404) are located inside the two moving grooves, and the two moving plates (404) are located inside Between the two mounting seats (5), the opposite surfaces of the two spring tubes (408) are fixedly connected to the opposite back surfaces of the two push plates (409). The two spring tubes (408) The opposite surfaces are fixedly connected to the opposite surfaces of the two moving plates (404).