CN216309641U

CN216309641U - Evaporate and press aerated concrete block compressive strength survey device

Info

Publication number: CN216309641U
Application number: CN202122585435.5U
Authority: CN
Inventors: 胡志新; 邓高峰; 梁庆棠
Original assignee: Dongguan Hongfu New Building Materials Co ltd
Current assignee: Dongguan Hongfu New Building Materials Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-15
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses an autoclaved aerated concrete block compressive strength measuring device which comprises a bottom plate and an L-shaped fixing rod, wherein the L-shaped fixing rod is fixed on the bottom plate, a supercharging mechanism is arranged at one end of the top of an inner cavity of the L-shaped fixing rod, a fixing plate is fixedly arranged in the middle of the top end of the bottom plate, and a displacement mechanism is arranged on the fixing plate. According to the utility model, the PLC is arranged, the two slow motors are controlled by the PLC, the output shaft of one slow motor drives one lead screw to rotate clockwise, the output shaft of the other slow motor drives the other lead screw to rotate anticlockwise, the two lead screws drive the two slide blocks to approach each other while rotating, and the two slide blocks drive the two clamping frames to approach each other, so that the autoclaved aerated concrete block to be subjected to the compressive strength test can be clamped, supported and fixed.

Description

Evaporate and press aerated concrete block compressive strength survey device

Technical Field

The utility model relates to the technical field of compressive strength measuring devices, in particular to a device for measuring compressive strength of autoclaved aerated concrete blocks.

Background

The autoclaved aerated concrete block is a porous concrete product prepared by taking fly ash, lime, cement, gypsum, slag and the like as main raw materials and adding a proper amount of a gas former, a regulator and a bubble stabilizer through the technical processes of batching, stirring, pouring, standing, cutting, high-pressure steam curing and the like, and before the autoclaved aerated concrete block is used, the autoclaved aerated concrete block needs to be subjected to a compressive strength test.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for measuring the compressive strength of an autoclaved aerated concrete block, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the device for measuring the compressive strength of the autoclaved aerated concrete block comprises a bottom plate and an L-shaped fixed rod, wherein the L-shaped fixed rod is fixed on the bottom plate, a supercharging mechanism is arranged at one end of the top of an inner cavity of the L-shaped fixed rod, a fixed plate is fixedly arranged in the middle of the top end of the bottom plate, and a displacement mechanism is arranged on the fixed plate;

the pressure boosting mechanism comprises a connecting block, a fixing block, a limiting ring, a pressure block and an electric telescopic rod, wherein the connecting block is fixed at one end of the top of an inner cavity of the L-shaped fixing rod, the fixing block is fixed at the bottom end of the connecting block, the inner part of the fixing block is hollow, the limiting ring is fixed at the bottom end of the inner cavity of the fixing block, one end of the pressure block movably penetrates through the limiting ring, the electric telescopic rod is fixed in the middle of the top end of the inner cavity of the fixing block, and the top end of a piston rod of the electric telescopic rod is fixedly connected with the top end of the pressure block;

the displacement mechanism comprises two clamping frames, two sliding blocks, two second sliding grooves, two sealing blocks, two slow motors and two lead screws, wherein the two second sliding grooves are respectively arranged at two ends of the top of the fixing plate, the two sealing blocks are respectively fixed at one ends of inner cavities of the two second sliding grooves, the two sliding blocks are respectively connected inside the two second sliding grooves in a sliding mode, the two clamping frames are respectively fixed at the top ends of the two second sliding grooves, the two slow motors are respectively fixedly embedded on one inner side of the two second sliding grooves, the two slow motors are respectively connected with one ends of output shafts of the two slow motors in a fixed mode, and the other ends of the lead screws respectively penetrate through the two sliding blocks in a threaded mode and are respectively and rotatably inserted into the middle of one side, opposite to the two sealing blocks, of the two lead screws are respectively inserted into the two sliding blocks in a rotating mode.

Preferably, first chutes are formed in two inner sides of the fixed block, first rollers are fixedly arranged at the top ends of two sides of the pressure block, and the first rollers are respectively connected inside the two first chutes in a rolling manner.

Preferably, third chutes are formed in the bottom ends of the inner cavities of the two second chutes, second rollers are fixedly arranged at two ends of the bottom of the two sliding blocks, and the four second rollers are respectively connected inside the two third chutes in a rolling manner in pairs.

Preferably, rubber pads are fixedly arranged in the two clamping frames.

Preferably, four corners of the bottom end of the bottom plate are fixedly provided with supporting legs.

Preferably, a pressure sensor is fixedly arranged at the bottom end of one side of the pressure block, and a PLC (programmable logic controller) is fixedly arranged in the middle of one side of the L-shaped fixing rod.

Compared with the prior art, the utility model has the beneficial effects that: the device is provided with the PLC, the two slow motors are controlled by the PLC, one lead screw is driven to rotate clockwise by an output shaft of one slow motor, the other lead screw is driven to rotate anticlockwise by an output shaft of the other slow motor, the two lead screws drive the two sliding blocks to approach each other while rotating, and the two sliding blocks drive the two clamping frames to approach each other, so that the autoclaved aerated concrete block to be subjected to the compressive strength test can be clamped, supported and fixed; through PLC controller control electric telescopic handle, a top force is exerted for the pressure piece through electric telescopic handle's piston rod for the pressure piece moves down, like this alright carry out the pressure boost to evaporating to press the aerated concrete block, the pressure piece drives pressure sensor downstream and with evaporate the contact of evaporating to press the aerated concrete block simultaneously, pressure sensor can feed back the data value that the pressurized obtained to the PLC controller this moment and show, like this alright obtain evaporating to press the data value of aerated concrete block compressive strength.

Drawings

FIG. 1 is a schematic structural diagram of an autoclaved aerated concrete block compressive strength measuring device provided by the utility model;

FIG. 2 is a schematic cross-sectional structure diagram of an autoclaved aerated concrete block compressive strength measuring device provided by the utility model;

FIG. 3 is a schematic view of a combination structure of the clamping frame and the rubber pad of the present invention.

In the figure: 1. a base plate; 2. an L-shaped fixing rod; 301. connecting blocks; 302. a fixed block; 303. a limiting ring; 304. a pressure block; 305. an electric telescopic rod; 306. a first chute; 307. a first roller; 4. a fixing plate; 501. a clamping frame; 502. a slider; 503. a second chute; 504. a sealing block; 505. a slow speed motor; 506. a lead screw; 507. a third chute; 508. a second roller; 509. a rubber pad; 6. a support leg; 7. a pressure sensor; 8. a PLC controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a device for measuring the compressive strength of an autoclaved aerated concrete block comprises a bottom plate 1 and an L-shaped fixed rod 2, wherein the L-shaped fixed rod 2 is fixed on the bottom plate 1, a supercharging mechanism is arranged at one end of the top of an inner cavity of the L-shaped fixed rod 2, a fixed plate 4 is fixedly arranged in the middle of the top end of the bottom plate 1, and a displacement mechanism is arranged on the fixed plate 4;

the pressurization mechanism comprises a connecting block 301, a fixing block 302, a limiting ring 303, a pressure block 304 and an electric telescopic rod 305, wherein the connecting block 301 is fixed at one end of the top of an inner cavity of the L-shaped fixing rod 2, the fixing block 302 is fixed at the bottom end of the connecting block 301, the inner part of the fixing block 302 is hollow, the limiting ring 303 is fixed at the bottom end of the inner cavity of the fixing block 302, one end of the pressure block 304 movably penetrates through the limiting ring 303, the electric telescopic rod 305 is fixed in the middle of the top end of the inner cavity of the fixing block 302, and the top end of a piston rod of the electric telescopic rod 305 is fixedly connected with the top end of the pressure block 304;

the displacement mechanism comprises two clamping frames 501, two sliding blocks 502, two second sliding grooves 503, two sealing blocks 504, two slow motors 505 and two lead screws 506, wherein the two second sliding grooves 503 are respectively arranged at two ends of the top of the fixing plate 4, the two sealing blocks 504 are respectively fixed at one ends of inner cavities of the two second sliding grooves 503, the two sliding blocks 502 are respectively connected inside the two second sliding grooves 503 in a sliding manner, the two clamping frames 501 are respectively fixed at the top ends of the two second sliding grooves 503, the two slow motors 505 are respectively fixedly embedded on one inner side of the two second sliding grooves 503, one ends of the two lead screws 506 are respectively fixedly connected with the end parts of output shafts of the two slow motors 505, and the other ends of the two lead screws 506 respectively penetrate through the two sliding blocks 502 in a threaded manner and are respectively rotatably inserted in the middle parts of the opposite sides of the two sealing blocks 504.

As an embodiment of the present invention, the two inner sides of the fixed block 302 are respectively provided with a first sliding groove 306, the top ends of the two sides of the pressure block 304 are respectively fixedly provided with a first roller 307, the two first rollers 307 are respectively connected inside the two first sliding grooves 306 in a rolling manner, and the two first rollers 307 are respectively connected inside the two first sliding grooves 306 in a rolling manner, so that the friction between the pressure block 304 and the fixed block 302 can be reduced.

As an embodiment of the present invention, the bottom ends of the inner cavities of the two second sliding grooves 503 are respectively provided with a third sliding groove 507, the two ends of the bottom of the two sliding blocks 502 are respectively and fixedly provided with a second roller 508, every two of the four second rollers 508 are respectively and rollingly connected inside the two third sliding grooves 507, and the four second rollers 508 are respectively and rollingly connected inside the two third sliding grooves 507, so that the two sliding blocks 502 can conveniently slide inside the two second sliding grooves 503, and the two sliding blocks 502 can be supported by the mutual matching of every two of the four second rollers 508.

In an embodiment of the present invention, rubber pads 509 are fixedly disposed inside the two clamping frames 501, and the two rubber pads 509 can prevent the concrete block from contacting the two clamping frames 501, and protect the outer surface of the clamping portion of the concrete block.

As an embodiment of the present invention, four corners of the bottom end of the bottom plate 1 are all fixedly provided with the legs 6, and the four legs 6 are provided to support and fix the bottom plate 1.

According to one embodiment of the utility model, a pressure sensor 7 is fixedly arranged at the bottom end of one side of the pressure block 304, a PLC 8 is fixedly arranged at the middle part of one side of the L-shaped fixing rod 2, the PLC 8 is electrically connected with an external power supply, the pressure sensor 7 is electrically connected with the input end of the PLC 8, two slow motors 505 and one electric telescopic rod 305 are electrically connected with the output end of the PLC 8, and pressure data of the concrete block under pressure can be obtained through the arranged pressure sensor 7.

The working principle is as follows: firstly, a PLC (programmable logic controller) 8 is started, two slow motors 505 are controlled by the PLC 8, one of screw rods 506 is driven to rotate clockwise by an output shaft of one of the slow motors 505, the other screw rod 506 is driven to rotate anticlockwise by an output shaft of the other slow motor 505, the two screw rods 506 drive two sliding blocks 502 to approach each other while rotating, the two sliding blocks 502 drive two clamping frames 501 to approach each other, thus the autoclaved aerated concrete block to be tested for compressive strength can be clamped, supported and fixed, then an electric telescopic rod 305 is started by the PLC 8, a jacking force is applied to a pressure block 304 by a piston rod of the electric telescopic rod 305, so that the pressure block 304 moves downwards, thus the autoclaved aerated concrete block can be pressurized, and meanwhile the pressure block 304 drives a pressure sensor 7 to move downwards and contact with the autoclaved aerated concrete block, at the moment, the pressure sensor 7 feeds back a data value obtained by pressing to the PLC controller 8 and displays the data value through the PLC controller 8, so that a data value of the compressive strength of the autoclaved aerated concrete block can be obtained, in addition, the PLC controller 8 controls the two slow motors 505, the output shafts of the two slow motors 505 drive the two lead screws 506 to rotate in the same direction, the two lead screws 506 simultaneously drive the two sliders 502 to move in the same direction to displace the autoclaved aerated concrete block clamped and supported, so that the compressive tests can be carried out on different parts of the autoclaved aerated concrete block, after the test is finished, the PLC controller 8 controls the two slow motors 505, the output shaft of one slow motor 505 drives one lead screw 506 to rotate anticlockwise, the output shaft of the other slow motor 505 drives the other lead screw 506 to rotate clockwise, the two screw rods 506 drive the two sliding blocks 502 to approach each other while rotating, and the two sliding blocks 502 drive the two clamping frames 501 to separate from each other, so that the limitation on the autoclaved aerated concrete block can be eliminated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The device for measuring the compressive strength of the autoclaved aerated concrete block comprises a bottom plate (1) and an L-shaped fixing rod (2), and is characterized in that the L-shaped fixing rod (2) is fixed on the bottom plate (1), a pressurizing mechanism is arranged at one end of the top of an inner cavity of the L-shaped fixing rod (2), a fixing plate (4) is fixedly arranged in the middle of the top end of the bottom plate (1), and a displacement mechanism is arranged on the fixing plate (4);

the supercharging mechanism comprises a connecting block (301), a fixing block (302), a limiting ring (303), a pressure block (304) and an electric telescopic rod (305), wherein the connecting block (301) is fixed at one end of the top of an inner cavity of the L-shaped fixing rod (2), the fixing block (302) is fixed at the bottom end of the connecting block (301) and the inside of the fixing block (302) is hollow, the limiting ring (303) is fixed at the bottom end of the inner cavity of the fixing block (302), one end of the pressure block (304) movably penetrates through the limiting ring (303), the electric telescopic rod (305) is fixed in the middle of the top end of the inner cavity of the fixing block (302), and the top end of a piston rod of the electric telescopic rod (305) is fixedly connected with the top end of the pressure block (304);

the displacement mechanism comprises two clamping frames (501), two sliding blocks (502), two second sliding grooves (503), two sealing blocks (504), two slow-speed motors (505) and two lead screws (506), wherein the two second sliding grooves (503) are respectively arranged at two ends of the top of the fixing plate (4), the two sealing blocks (504) are respectively fixed at one ends of inner cavities of the two second sliding grooves (503), the two sliding blocks (502) are respectively and slidably connected inside the two second sliding grooves (503), the two clamping frames (501) are respectively fixed at the top ends of the two second sliding grooves (503), the two slow-speed motors (505) are respectively and fixedly embedded on one inner side of the two second sliding grooves (503), one ends of the two lead screws (506) are respectively and fixedly connected with the end parts of output shafts of the two slow-speed motors (505), and the other ends of the two lead screws (506) respectively penetrate through the two sliding blocks (502) in a threaded manner and are respectively and rotatably inserted into the two sealing blocks (504) ) The middle part of the opposite side.

2. The autoclaved aerated concrete block compressive strength testing device according to claim 1, characterized in that: first chutes (306) are formed in two inner sides of the fixing block (302), first rollers (307) are fixedly arranged at the top ends of two sides of the pressure block (304), and the first rollers (307) are respectively connected to the inner portions of the two first chutes (306) in a rolling mode.

3. The autoclaved aerated concrete block compressive strength testing device according to claim 1, characterized in that: third sliding grooves (507) are formed in the bottom ends of the inner cavities of the two second sliding grooves (503), second rollers (508) are fixedly arranged at two ends of the bottoms of the two sliding blocks (502), and every two of the four second rollers (508) are respectively connected inside the two third sliding grooves (507) in a rolling mode.

4. The autoclaved aerated concrete block compressive strength testing device according to claim 1, characterized in that: rubber pads (509) are fixedly arranged in the two clamping frames (501).

5. The autoclaved aerated concrete block compressive strength testing device according to claim 1, characterized in that: four corners of bottom plate (1) bottom all are fixed and are equipped with landing leg (6).

6. The autoclaved aerated concrete block compressive strength testing device according to claim 1, characterized in that: the bottom end of one side of the pressure block (304) is fixedly provided with a pressure sensor (7), and the middle of one side of the L-shaped fixing rod (2) is fixedly provided with a PLC (programmable logic controller) controller (8).