CN213275174U

CN213275174U - Concrete compressive strength detection device

Info

Publication number: CN213275174U
Application number: CN202022003945.2U
Authority: CN
Inventors: 邓锐敏; 夏星; 杨伟; 伍洋辰; 赵景阳
Original assignee: Sichuan Xing Cheng Gang Rui Building Materials Co ltd
Current assignee: Sichuan Xing Cheng Gang Rui Building Materials Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-05-25
Anticipated expiration: 2030-09-14

Abstract

The application relates to a concrete compressive strength detection device, which comprises a top plate, a top pressing plate and a bottom pressing plate, wherein the bottom pressing plate is provided with at least two test block clamping grooves, the bottom of each test block clamping groove is provided with a pressure meter clamping groove, a pressure meter is arranged in each pressure meter clamping groove, a base plate is arranged on each pressure meter and is arranged in each pressure meter clamping groove, and a concrete test block for detecting the compressive strength is arranged on each base plate; be equipped with the steel stand on the clamp plate of bottom, the four corners cuff setting of top clamp plate is on the steel stand, and the roof setting is fixed on the top of steel stand, is equipped with hydraulic equipment on the roof, and hydraulic equipment's output shaft is connected with the top clamp plate, and the pressure gauge passes through the pressure gauge wire and links to each other with the computer control console for the compressive strength of test top clamp plate transfer in-process concrete test block. Can once only be experimental to carrying out compressive strength of batch concrete test block, it is experimental to comparing to single test block mainly all with current concrete compressive strength detection device, has promoted work efficiency greatly.

Description

Concrete compressive strength detection device

Technical Field

The application relates to concrete check out test set field especially relates to concrete compressive strength detection device.

Background

In recent years, in various building projects, the application of concrete is very wide, and the concrete cannot be separated from the building with a reinforced concrete structure or a brick-concrete structure. The quality of the concrete not only has great influence on the safety of building structures, but also on the construction cost of building engineering, so that the concrete quality detection is one of important links in the whole detection work. The compression strength is one of main indexes of concrete quality, and is a value in the total distribution of the compression strength measured by a standard test method in 28d age of a cubic test piece with the side length of 150mm manufactured and maintained by a standard method, and the percentage of the strength lower than the value and not more than 5 percent is qualified.

At present, the existing concrete compressive strength detection device mainly aims at single test block tests, improves test precision and is convenient for waste collection and cleaning. And the research on how to improve the detection work efficiency is few, for example, prior art patent CN111257127A provides a double detection cavity concrete compressive strength detection device, although the double test blocks detect simultaneously, the purpose is to observe the compressive strength of the concrete test block under different forces, and the detection efficiency cannot be improved.

Therefore, a concrete compressive strength detection device with simple structure and high detection efficiency is needed to be found.

SUMMERY OF THE UTILITY MODEL

Based on this, this application provides one kind and is used for concrete compressive strength detection device to at least, concrete compressive strength detection device mainly all is to the single test block experiment among the solution correlation technique, the problem that the detection efficiency who produces is low.

The application provides a concrete compressive strength detection device, which comprises a top plate, a top pressing plate and a bottom pressing plate, wherein at least two test block clamping grooves are formed in the bottom pressing plate, a pressure gauge clamping groove is formed in the bottom of each test block clamping groove, a pressure gauge is arranged in each pressure gauge clamping groove, a base plate is arranged on each pressure gauge and is arranged in each pressure gauge clamping groove, and a concrete test block for detecting the compressive strength is arranged on each base plate; be equipped with the steel stand on the clamp plate of bottom, the four corners cuff setting of top clamp plate is on the steel stand, and the roof setting is fixed on the top of steel stand, is equipped with hydraulic equipment on the roof, and hydraulic equipment's output shaft and top clamp plate are connected for control top clamp plate is transferred along the steel stand, and the pressure gauge passes through the pressure gauge wire and links to each other with the computer control console, is used for testing the compressive strength that the in-process concrete test block was transferred to the top clamp plate.

In a possible implementation manner, a top pressing groove is formed in the bottom surface of the top pressing plate, the top pressing groove comprises a groove, a top column, a spring and a top pressing plate, the groove is formed in the bottom surface of the top pressing plate, the top column is arranged in the groove, the top pressing plate is connected with the groove bottom of the groove through the spring and is suspended below the top column, the top pressing plate is controlled by a hydraulic device to be lowered to each top pressing plate to be in contact with a corresponding concrete test block, when the top pressing plate does not press the concrete test block, the top pressing plate is not in contact with the top column and is in a gap, when the top pressing plate in one top pressing groove is just in contact with the corresponding concrete test block, a pressure reading of one concrete test block is displayed in the computer control board, and when the top pressing plate is gradually lowered to each top pressing groove and the top pressing plate in contact with the corresponding concrete test block, the pressure readings of all the concrete test blocks are displayed in the computer.

In a possible implementation mode, a wire groove is further formed in the bottom pressing plate, the pressure gauge clamping groove is communicated with the wire groove through a wire output port, and a pressure gauge wire is limited in the wire groove.

In a possible implementation mode, the hydraulic equipment comprises a hydraulic cylinder, the hydraulic cylinder is fixed in the middle of the top plate, a hydraulic rod is arranged at the output end of the hydraulic cylinder, the hydraulic rod is connected with the hydraulic cylinder and the top pressing plate, and the input end of the hydraulic cylinder is connected to the computer console through a hydraulic equipment lead.

In a possible implementation mode, the hydraulic equipment is strain control type hydraulic equipment, the strain control type hydraulic equipment is gradually loaded according to a strain control type loading mode, the downward displacement of the top pressure plate is controlled, and the pressure readings of all the concrete test blocks can be completely displayed in the computer console.

In a possible implementation manner, the length and the width of the tightening groove are larger than those of the test block clamping groove.

In a possible implementation manner, the spring stretches and retracts in the groove along the vertical direction, and the jacking plate is driven to move in the groove.

In one possible implementation, the number and positions of the tightening grooves match those of the test block slots.

Compared with the prior art, the utility model has the following characteristics and beneficial effect:

(1) this scheme can be once only to the compressive strength test that carries on of batch concrete test block, mainly all compare to single test block with current concrete compressive strength detection device, promoted work efficiency greatly.

(2) This scheme is through setting up the tight groove in top clamp plate, can overcome the error on the concrete test block height, can guarantee each concrete test block top tight pressure when carrying out compressive strength test to batch concrete test block, has improved experimental precision.

(3) The utility model has the advantages of simple structure, improve on the basis of traditional hydraulic press and can realize that this scheme once only carries out the experimental intention of compressive strength to many concrete test blocks, the practicality is stronger.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in related arts, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a concrete compressive strength testing apparatus;

FIG. 2 is a schematic view of a bottom platen;

FIG. 3 is a schematic diagram of a pressure gauge arrangement;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a schematic structural view of a tightening slot;

fig. 6 is an operation schematic diagram of the concrete compressive strength detecting device.

Wherein: 1, a top plate; 2, pressing a top plate; 3, steel upright posts; 4, pressing a bottom plate; 5, hydraulic equipment lead; 6, a hydraulic cylinder; 7 hydraulic rods; 8, tightly pushing the groove; 9, testing concrete blocks; 10, backing plates; 11 a pressure gauge; 12 manometer lead wires; 13 a computer console; 14 grooves; 15 top column; 16 springs; 17, a top pressing plate; 18 test block clamping grooves; 19 pressure gauge neck; 20 wire grooves; 21 wire outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other examples, which can be obtained by a person skilled in the art without making any inventive step based on the examples in this application, are within the scope of protection of this application.

It is obvious that the drawings in the following description are only examples or embodiments of the application, from which the application can also be applied to other similar scenarios without inventive effort for a person skilled in the art. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Unless otherwise defined, technical or scientific terms used in the claims and the specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing and claiming the application are not to be construed as limiting in any way, but rather as indicating the singular or plural. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalent, and does not exclude other elements or items. "connected" or "coupled" and similar terms are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in the specification and claims of this application, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

The technical solution of the present invention is further explained below with reference to the accompanying drawings, such as fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6. The embodiment of the application provides a concrete compressive strength detection device, which comprises a top plate 1, a top pressing plate 2 and a bottom pressing plate 4, wherein at least two test block clamping grooves 18 are formed in the bottom pressing plate 4, a pressure gauge clamping groove 19 is formed in the bottom of each test block clamping groove 18, a pressure gauge 11 is arranged in each pressure gauge clamping groove 19, a base plate 10 is arranged on each pressure gauge 11, the base plate 10 is arranged in each pressure gauge clamping groove 19, and a concrete test block 9 for detecting the compressive strength is arranged on each base plate 10; be equipped with steel stand 3 on the bottom clamp plate 4, the four corners cuff setting of top clamp plate 2 is on steel stand 3, and roof 1 sets up and fixes the top at steel stand 3, is equipped with hydraulic equipment on the roof 1, and hydraulic equipment's output shaft and top clamp plate 2 are connected for control top clamp plate 2 is transferred along steel stand 3, and pressure gauge 11 passes through pressure gauge wire 12 and links to each other with computer control platform 13, is used for testing top clamp plate 2 and transfers the compressive strength of in-process concrete test block 9.

In this embodiment, the number of the test block slots 18 is at least 2, and may be 4, 5, 6, or 8. Be equipped with the pressure gauge 11 that is used for detecting the compressive strength of concrete test block 9 on the test block draw-in groove 18, transfer along steel column 3 when top clamp plate 2, top clamp plate 2 and concrete test block 9 just contact, have shown the pressure degree of a concrete test block 9 on the computer control platform 13.

In some of the embodiments, the bottom surface of the top press plate 2 is provided with a tightening groove 8, the tightening groove 8 comprises a groove 14, a top pillar 15, a spring 16 and a top press plate 17, the groove 14 is opened on the bottom surface of the top press plate 2, a top pillar 15 is arranged in the groove 14, a top pressure plate 17 is connected with the bottom of the groove 14 through a spring 16 and is suspended below the top pillar 15, a hydraulic device controls the top pressure plate 2 to be lowered until each top pressure plate 17 is contacted with the corresponding concrete test block 9, when the top pressure plate 17 does not press the concrete test block 9, the top pressure plate 17 is not contacted with the top pillar 15, and a gap exists, when the top pressure plate 17 in one of the top pressure grooves 8 is just contacted with the corresponding concrete test block 9, the pressure reading of one concrete test block 9 is displayed in the computer console 13, when the top pressing plate 2 is gradually lowered to the top pressing plate 17 in each top pressing groove 8 and is contacted with the corresponding concrete test block 9, the pressure degrees of all the concrete test blocks 9 are displayed in the computer console 13. The hydraulic equipment is strain control type hydraulic equipment which is gradually loaded according to a strain control type loading mode, the lowering displacement of the top pressing plate 2 is controlled until all pressure readings of the concrete test blocks 9 can be displayed in the computer console 13.

In the present embodiment, the tightening grooves 8 are used to overcome the height error of different concrete test blocks 9. Specifically, when the spring 16 is in a stretching state by the pulling force of the jacking plate 17, the jacking plate 17 is not in contact with the jacking column 15, and a gap exists, wherein the size of the gap is determined by the height error of each concrete test block 9, and if the height error is +/-x millimeters, the size of the gap can be set to be 2x millimeters. Illustratively, a concrete test block 9 to be detected is placed on a base plate 10, a computer console 13 is connected with a pressure gauge 11 through a pressure gauge lead 12, the error height of the concrete test block 9 to be detected is +/-3 mm, the size of a gap between a top pressing plate 17 and a top column 15 is 6 mm, a top pressing plate 2 is gradually lowered to the top of the concrete test block 9 along a steel upright post 3 by hydraulic equipment, at the moment, the top pressing plate 17 in one top tightening groove 8 is just in contact with the concrete test block 9, and the pressure degree of one concrete test block 9 is just displayed in the computer console 13. And gradually loading according to a strain control type loading mode until the pressure degrees of all the concrete test blocks 9 are displayed in the computer console 13, and pausing the hydraulic equipment in time. The hydraulic cylinder 6 is connected to a computer console 13 through a hydraulic device lead 5, then the pressure of the computer console 13 is completely cleared, a strain control type loading mode is restarted, the computer console 13 is used for recording the downward pressure, the stress, the displacement and the strain until the concrete test block 9 is completely destroyed, and the detection work of the concrete compression strength is completed.

In some of these embodiments, the size of the tightening slot 8 is larger than the size of the test block slot 18.

In this embodiment, the dimension is a number indicating a length value by a specific unit, specifically, as shown in fig. 6, when the compressive strength of the concrete is detected, the upper surface of the concrete test block 9 completely contacts with the bottom surface of the top pressure plate 17, in order to enable the top pressure plate 17 to vertically move in the top pressure groove 8 without being scratched by the inner wall of the top pressure groove 8, the dimension of the top pressure plate 17 should be smaller than the dimension of the notch of the top pressure groove 8, and correspondingly, the length and width of the top pressure groove 8 should be larger than the length and width of the test block slot 18.

In some of these embodiments, the spring 16 extends and retracts in the groove 14 in the vertical direction, and the top pressure plate 17 is driven to move in the groove 14.

In this embodiment, when the spring 16 is in the stretched state, the lower bottom surface of the top pressure plate 17 exceeds the notch of the groove 14, and the groove 14 plays a limiting role in allowing the spring 16 to drive the top pressure plate 17 to stretch and retract in the vertical direction all the time.

In some embodiments, in order to overcome the height errors of all the concrete test blocks 9 to be tested, the number and the positions of the jacking grooves 8 are matched with the number and the positions of the test block clamping grooves 18.

To sum up, this scheme provides concrete compressive strength detection device, can once only be to carrying out the compressive strength test to batch concrete test block 9, mainly all compare to single test block 9 with current concrete compressive strength detection device, promoted work efficiency greatly. Specifically, during testing, as shown in fig. 2, a test block slot 18 and a wire guide slot 20 are regularly arranged on the bottom pressing plate 4, and a pressure gauge slot 19 and a wire output port 21 are arranged in the test block slot 18. As shown in fig. 3 and 4, a pressure gauge 11 is installed in a pressure gauge clamping groove 19, a backing plate 10 is arranged above the pressure gauge 11, a pressure gauge lead 12 extends out of the bottom pressing plate 4 along a lead output port 21 and a lead groove 20 and is connected with a computer console 13, and then the pressure gauge lead 12 at different positions are numbered and prepared for recording. As shown in fig. 5, the top pressing plate 2 is provided with tightening grooves 8 at positions corresponding to the test block slots 18 in the bottom pressing plate 4, and the number of the tightening grooves 8 corresponds to the number of the test block slots 18: a groove 14 with corresponding size is arranged on the bottom surface of the top pressure plate 2, one or more top columns 15 are arranged in the middle of the groove 14, and a top pressure plate 17 is connected with the bottom of the groove 14 through a spring 16, is suspended below the top columns 15 and has a proper gap. As shown in fig. 1, the top press plate 2 is lifted to the top along the steel upright 3 by using a hydraulic device, and then the concrete test block 9 is placed on the base plate 10 in the test block slot 18 of the bottom press plate 4. As shown in fig. 6, the top pressing plate 2 is gradually lowered to the top of the concrete test block 9 again along the steel upright 3 by using the hydraulic equipment, at this time, the top pressing plate 17 in one of the top pressing grooves 8 is just in contact with the concrete test block 9, and the pressure degree of one concrete test block 9 is just displayed in the computer console 13. And gradually loading according to the loading mode of the strain control chamber until the pressure degrees of all the concrete test blocks 9 are displayed in the computer console 13, and the hydraulic equipment is suspended in time. The hydraulic cylinder 6 is connected to a computer console 13 through a hydraulic device lead 5, then the pressure of the computer console 13 is completely cleared, a strain control type loading mode is restarted, the computer console 13 is used for recording the downward pressure, the stress, the displacement and the strain until the concrete test block 9 is completely destroyed, and the detection work of the concrete compression strength is completed.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The concrete compressive strength detection device is characterized by comprising a top plate (1), a top pressing plate (2) and a bottom pressing plate (4), wherein at least two test block clamping grooves (18) are formed in the bottom pressing plate (4), a pressure gauge clamping groove (19) is formed in the bottom of each test block clamping groove (18), a pressure gauge (11) is arranged in each pressure gauge clamping groove (19), a base plate (10) is arranged on each pressure gauge (11), the base plate (10) is arranged in each pressure gauge clamping groove (19), and a concrete test block (9) for detecting the compressive strength is arranged on each base plate (10); be equipped with steel stand (3) on bottom clamp plate (4), the four corners cuff setting of top clamp plate (2) is on steel stand (3), roof (1) sets up the top of fixing at steel stand (3), be equipped with hydraulic equipment on roof (1), hydraulic equipment's output shaft and top clamp plate (2) are connected, be used for controlling top clamp plate (2) and transfer along steel stand (3), pressure gauge (11) link to each other with computer control cabinet (13) through pressure gauge wire (12), be used for testing the compressive strength that in-process concrete test block (9) was transferred in top clamp plate (2).

2. The concrete compression strength detection device according to claim 1, wherein the bottom surface of the top pressing plate (2) is provided with a jacking groove (8), the jacking groove (8) comprises a groove (14), a jacking column (15), a spring (16) and a jacking plate (17), the groove (14) is arranged on the bottom surface of the top pressing plate (2), the jacking column (15) is arranged in the groove (14), the jacking plate (17) is connected with the bottom of the groove (14) through the spring (16) and is suspended below the jacking column (15), a hydraulic device controls the top pressing plate (2) to be lowered until each jacking plate (17) is in contact with the corresponding concrete test block (9), when the jacking plate (17) does not jack the concrete test block (9), the jacking plate (17) is not in contact with the jacking column (15) and is in a gap, when the jacking plate (17) in one of the jacking grooves (8) is in contact with the corresponding concrete test block (9), the computer console (13) displays the pressure reading of one concrete test block (9), and when the top pressing plate (2) is gradually lowered to the top pressing plate (17) in each top tightening groove (8) and is contacted with the corresponding concrete test block (9), the computer console (13) displays the pressure degrees of all the concrete test blocks (9).

3. The concrete compressive strength detection device according to claim 1, wherein the bottom pressing plate (4) is further provided with a wire guide groove (20), the pressure gauge clamping groove (19) is communicated with the wire guide groove (20) through a wire output port (21), and the pressure gauge wire (12) is limited in the wire guide groove (20).

4. The concrete compressive strength detection device according to claim 1, wherein the hydraulic equipment comprises a hydraulic cylinder (6), the hydraulic cylinder (6) is fixed in the middle of the top plate (1), a hydraulic rod (7) is arranged at the output end of the hydraulic cylinder (6), the hydraulic rod (7) is connected with the hydraulic cylinder (6) and the top pressing plate (2), and the input end of the hydraulic cylinder (6) is connected with the computer console (13) through a hydraulic equipment lead (5).

5. The concrete compressive strength detection device according to claim 2, wherein the hydraulic equipment is strain control type hydraulic equipment, the strain control type hydraulic equipment is gradually loaded according to a strain control type loading mode, the descending displacement of the top pressing plate (2) is controlled, and the pressure readings of all the concrete test blocks (9) can be completely displayed in the computer console (13).

6. The concrete compressive strength detection device according to claim 2, wherein the length and width of the tightening groove (8) are larger than those of the test block clamping groove (18).

7. The concrete compressive strength detecting device according to claim 2, wherein the spring (16) extends and retracts in the groove (14) along the vertical direction to drive the top pressure plate (17) to move in the groove (14).

8. The concrete compressive strength detection device according to claim 2, wherein the number and the positions of the tightening grooves (8) are matched with those of the test block clamping grooves (18).