CN217404022U

CN217404022U - Concrete anti-cracking performance testing device

Info

Publication number: CN217404022U
Application number: CN202221430643.6U
Authority: CN
Inventors: 邓培春; 林春华; 庾明锋
Original assignee: Guangzhou Tianda Concrete Co ltd
Current assignee: Guangzhou Tianda Concrete Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-09-09
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses a concrete anti-cracking performance testing arrangement, press the frame including a mouthful style of calligraphy frame, bottom slip post, slip lantern ring, L type frame and end, the bottom fixed mounting of a mouthful style of calligraphy frame has the bottom slip post, the slip cover is equipped with on the slip post of bottom the slip lantern ring, the slip lantern ring passes through L type frame fixed mounting have end press the frame, the top surface fixed mounting that presses the frame at the end has a plurality of root to link to prop the post, link to prop the top of post and place the inside shore frame connection of a mouthful style of calligraphy is installed together, the bottom mounting of bottom slip post has end spacing ring dish, end spacing ring dish with between the slip lantern ring the cover is equipped with the resilience spring on the slip post of bottom, the top center department fixed mounting of top strut has pressure sensor. Has the advantages that: the whole stability and the performance of being convenient for remove of device are realized to the mechanism of pushing down through the cooperation of travelling wheel pressure, and convenient to use is simple.

Description

Concrete anti-cracking performance testing device

Technical Field

The utility model relates to a concrete performance testing arrangement field especially relates to a concrete crack resistance capability test device.

Background

Concrete is a very common and common building material, and is the most main building material, and the anti crack performance of concrete directly influences the durability of concrete structure, so need use test device to detect the anti crack performance of concrete, and when current concrete anti crack performance test, support through the bottom of annular tank wall usually, for the convenience of removing, its diapire will be raised partly, its support performance is poor to it is difficult to stabilize when the installation truckle test.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is just to provide a concrete crack resistance capability test device in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a concrete anti-cracking performance testing device comprises a square frame, a bottom sliding column, a sliding sleeve ring, an L-shaped frame and a bottom pressing frame, wherein the bottom of the square frame is fixedly provided with the bottom sliding column, the bottom sliding column is sleeved with the sliding sleeve ring in a sliding mode, the sliding sleeve ring is fixedly provided with the bottom pressing frame through the L-shaped frame, the top surface of the bottom pressing frame is fixedly provided with a plurality of connecting support columns, the tops of the connecting support columns are connected and arranged with a top support frame arranged inside the square frame, the bottom of the bottom sliding column is fixedly provided with a bottom limiting ring disc, a rebound spring is sleeved on the bottom sliding column between the bottom limiting ring disc and the sliding sleeve ring, the top center of the top support frame is fixedly provided with a pressure sensor, a support pressing plate is arranged on the pressure sensor in a supporting mode, and a pressing cylinder is fixedly arranged on the top of the square frame, the tail end of a piston rod of the downward pressing cylinder extends to the inside of the square frame, a pressing block is fixedly installed in the square frame, a caster frame is fixedly installed at the bottom of the square frame, and a movable caster is rotatably installed on the caster frame.

Furthermore, a plurality of limiting insertion columns are fixedly mounted at the bottom of the supporting pressure plate, limiting insertion holes are formed in the top support frame, and the limiting insertion columns are inserted into the limiting insertion holes.

Furthermore, a bottom pad of the pressing frame is fixedly attached to the bottom surface of the bottom pressing frame.

Furthermore, a control panel is fixedly mounted on a side frame of the square frame, and the control panel is electrically connected with the lower air cylinder and the pressure sensor.

Has the advantages that: concrete crack resistance test device press the mechanism through the truckle cooperation pressure of removal and realize the holistic stability of device and the performance of being convenient for remove, convenient to use is simple.

Drawings

Fig. 1 is a schematic structural diagram of a concrete crack resistance testing device according to the present invention;

fig. 2 is the utility model discloses a concrete anti-crack performance testing arrangement's A structure enlargies the sketch map.

The reference numerals are explained below:

1. a square frame; 2. a bottom sliding post; 3. a slip collar; 4. an L-shaped frame; 5. a bottom pressing frame; 6. pressing a frame bottom pad; 7. connecting a support column; 8. a pressure sensor; 9. a top bracing frame; 10. supporting the pressing plate; 11. a caster frame; 12. moving the caster; 13. limiting the inserted column; 14. a control panel; 15. briquetting; 16. pressing down the air cylinder; 17. a rebound spring; 18. a bottom limit ring disk.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

the concrete crack resistance testing device shown in fig. 1-2 is composed of a square frame 1, a bottom sliding column 2, a sliding sleeve ring 3, an L-shaped frame 4 and a bottom pressing frame 5;

the bottom of the square frame 1 is fixedly provided with a bottom sliding column 2, the bottom sliding column 2 is vertically arranged to facilitate the up-and-down sliding of a sliding sleeve ring 3, the sliding sleeve ring 3 is sleeved on the bottom sliding column 2 in a sliding manner, the sliding sleeve ring 3 is fixedly provided with a bottom pressing frame 5 through an L-shaped frame 4, the top surface of the bottom pressing frame 5 is fixedly provided with a plurality of connecting and supporting columns 7, the tops of the connecting and supporting columns 7 are connected and arranged with a top supporting frame 9 arranged inside the square frame 1, and in order to better realize the up-and-down movement of the connecting and supporting columns 7, the bottom of the square frame 1 is provided with a linkage through hole to avoid the blocking of the connecting and supporting columns 7 in the process of oppositely pressing the frame;

a bottom limiting ring disc 18 is fixedly installed at the bottom end of the bottom sliding column 2, a rebound spring 17 is sleeved on the bottom sliding column 2 between the bottom limiting ring disc 18 and the sliding sleeve ring 3, and the rebound spring 17 is used for assisting the rebound of the sliding sleeve ring 3;

a pressure sensor 8 is fixedly installed at the center of the top support frame 9, a support pressure plate 10 is supported and placed on the pressure sensor 8, the support pressure plate 10 is used for placing a concrete sampling sample and measuring the pressure of pressing, the pressure of the pressing test is provided through a pressing cylinder 16, the pressing cylinder 16 is fixedly installed at the top of the square frame 1, the tail end of a piston rod of the pressing cylinder 16 extends into the square frame 1 and is fixedly provided with a pressing block 15, and the pressing block 15 is arranged right above the support pressure plate 10;

the caster frame 11 is fixedly installed at the bottom of the square frame 1, the caster frame 11 is rotatably installed with a movable caster 12, and when the test is not performed, the movable caster 12 can drive the device to move integrally.

In this embodiment, the bottom of the supporting platen 10 is fixedly provided with a plurality of limiting insertion posts 13, the limiting insertion posts 13 are provided with limiting insertion holes for improving the stability of the supporting platen 10, and the limiting insertion posts 13 are inserted into the limiting insertion holes.

In this embodiment, a bottom pad 6 of the bottom frame is fixedly attached to the bottom surface of the bottom frame 5, and the bottom pad 6 of the bottom frame is an anti-skid and wear-resistant rubber pad, which increases the friction force with the supporting surface during supporting.

In this embodiment, a control panel 14 is fixedly mounted on the side frame of the square frame 1, the control panel 14 is electrically connected with the down-pressure cylinder 16 and the pressure sensor 8, and a display screen is arranged on the control panel 14 and used for displaying the reading of the pressure sensor 8.

Among the above-mentioned structure, when carrying out the removal operation of device, can remove the assigned position more easily through the roll of travelling wheel 12, but when carrying out anti crack performance test, because the bottom soaks and receives the pressure ratio great, traditional tank wall is very easy deformation when supporting the pressurized, test data is inaccurate also causes the deformity easily, bearing structure in this embodiment is through end pressure frame 5 and ground contact, a plurality of even stay columns 7 support fixedly, its steadiness has been increased, and press frame end pad 6 contact ground after the pressurized, prevent to remove, and stability is strong.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a concrete crack resistance capability test device which characterized in that: the bottom sliding support comprises a square frame, a bottom sliding column, a sliding sleeve ring, an L-shaped frame and a bottom pressing frame, wherein the bottom sliding column is fixedly mounted at the bottom of the square frame, the sliding sleeve ring is sleeved on the bottom sliding column and fixedly mounted at the bottom of the square frame, a plurality of connecting support columns are fixedly mounted at the top surface of the bottom pressing frame, the tops of the connecting support columns are connected and mounted with a top support frame arranged inside the square frame, a bottom limit ring disc is fixedly mounted at the bottom end of the bottom sliding column, a rebound spring is sleeved on the bottom sliding column between the bottom limit ring disc and the sliding sleeve ring, a pressure sensor is fixedly mounted at the center of the top support frame, a support pressing plate is placed on the pressure sensor in a supporting manner, and a pressing cylinder is fixedly mounted at the top of the square frame, the tail end of a piston rod of the downward pressing cylinder extends to the inside of the square frame, a pressing block is fixedly installed in the square frame, a caster frame is fixedly installed at the bottom of the square frame, and a movable caster is rotatably installed on the caster frame.

2. The concrete crack resistance testing device of claim 1, characterized in that: the bottom of the supporting pressure plate is fixedly provided with a plurality of limiting insertion columns, the top support frame is provided with limiting insertion holes, and the limiting insertion columns are inserted into the limiting insertion holes.

3. The concrete crack resistance testing device of claim 1, characterized in that: and a pressing frame bottom pad is fixedly attached to the bottom surface of the bottom pressing frame.

4. The concrete crack resistance testing device according to claim 1, characterized in that: and a control panel is fixedly mounted on the side frame of the square frame, and the control panel is electrically connected with the lower air cylinder and the pressure sensor.