Concrete test block positioning device

Abstract

The utility model provides a concrete test block positioning device which comprises a bottom plate, a first sliding block, a second sliding block and a clamping plate, guide grooves are symmetrically formed in the bottom plate, the first sliding block and the second sliding block are installed in the guide grooves, and the first sliding block and the second sliding block are connected through a screw rod; the clamping plates are L-shaped and are respectively mounted at the upper parts of the first sliding block and the second sliding block; an insert block is arranged at the lower part of the bottom plate, a protruding part is arranged on the insert block, and the bottom plate is arranged on a base of a detection machine table through the protruding part. The bottom plate is connected with the base of the detection machine table through the protruding parts on the embedded blocks, so that the center of the bottom plate coincides with the center of the base of the detection machine table, the clamping plates are driven to move through the screw rods at the same time, limiting is conducted on the opposite angles of the concrete test block, and the geometric center of the concrete test block coincides with the pressure loading center of the detection machine table; and rapid positioning is realized.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of concrete strength detection devices, in particular to a concrete test block positioning device. BACKGROUND

[0002] At present, when the compressive strength of concrete is detected, the concrete is generally poured into a special mold to form a cubic test block, and after curing and molding, the concrete test block is placed on several tables, the concrete test block is cracked by hydraulic pressure, the pressure value when the concrete test block is destroyed is obtained, and then the compressive strength of the concrete is calculated. In the existing detection regulations, when the pressure is applied, the pressure loading center needs to coincide with the geometric center of the concrete test block. For example, a Chinese patent with the application number 202322065935.5 discloses a recycled concrete compressive strength detection device, which comprises a base, a collection box and an oil cylinder. The upper surface of the base is fixedly provided with a fixing frame. The upper surface of the fixing frame is fixedly provided with an oil cylinder at the middle position. The output shaft of the oil cylinder is fixedly provided with a pressure sensor. The lower surface of the pressure sensor is fixedly provided with a pressing plate. The upper surface of the base is provided with a slag falling port below the pressing plate. The upper surface of the base is symmetrically fixedly provided with an electric push rod at both sides. The ends of the two electric push rods are fixedly connected with a moving plate. The device can drive the moving plate at the end of the electric push rod to limit the concrete test block, so as to ensure the position of the concrete test block. However, for the existing machine table, due to space and other problems, the electric push rod and other devices cannot be installed. Therefore, a concrete test block positioning device is needed, which uses the center hole on the base of the existing detection machine table for positioning, and positions the concrete test block through the synchronously movable clamping plate, so that the concrete test block can be located in the middle of the detection machine table, and the rapid positioning of the concrete test block is realized. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above problems, the application provides a concrete test block positioning device, which uses the center hole on the base of the existing detection machine table for positioning, and positions the concrete test block through the synchronously movable clamping plate, so that the concrete test block can be located in the middle of the detection machine table, and the rapid positioning of the concrete test block is realized.

[0004] The application is realized through the following technical solutions:

[0005] The application provides a concrete test block positioning device, which comprises a base plate, a first sliding block, a second sliding block and a clamping plate. The base plate is symmetrically provided with guide grooves. The first sliding block and the second sliding block are installed in the guide grooves and are connected with each other through a screw rod. The clamping plate is L-shaped and is installed on the upper parts of the first sliding block and the second sliding block. The lower part of the base plate is provided with an embedded block, and the embedded block is provided with a protruding part. The base plate is installed on the base of the detection machine table through the protruding part.

[0006] Furthermore, a connecting pipe is provided at the lower part of the base plate, the protrusion is sleeved on the outside of the connecting pipe, and the insert is embedded in the bottom of the base plate.

[0007] Furthermore, the outer diameter of the protrusion is the same as the inner diameter of the center hole on the base of the detection machine, and the connecting pipe is connected to the base of the detection machine by bolts.

[0008] Furthermore, a left-handed thread portion is provided on one side of the screw, and a right-handed thread portion is provided on the other side of the screw, the first slider is connected to the left-handed thread portion, and the second slider is connected to the right-handed thread portion.

[0009] Furthermore, baffles are provided on both sides of the bottom plate, and both ends of the screw pass through the baffles, and both ends of the screw are connected to the baffles through limiting rings.

[0010] Furthermore, a cylindrical portion is provided at one end of the screw, the cylindrical portion is coaxially connected to the screw, and a regular hexagonal blind hole is provided inside the cylindrical portion.

[0011] The beneficial effects of the present application are as follows: the base plate is connected to the base of the testing machine through the protrusion on the insert, so that the center of the base plate coincides with the center of the base of the testing machine, and the clamping plate is driven to move at the same time by the screw, and the position is limited at the diagonal corners of the concrete test block, so that the geometric center of the concrete test block coincides with the pressure loading center of the testing machine, thereby achieving rapid positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Fig. 1 It is a structural diagram of the utility model;

[0013] Fig. 2 This is a schematic structural diagram of the insert of the utility model;

[0014] Fig. 3 This is a schematic diagram of the structure of the screw rod of the utility model;

[0015] Fig. 4 This is a schematic diagram of the bottom plate being fixed to the base of the inspection machine;

[0016] In the figure: 1-base plate, 2-first slider, 3-second slider, 4-clamp, 5-guide groove, 6-screw, 7-embedded block, 8-protrusion, 9-connecting pipe, 10-bolt, 11-baffle, 12-cylindrical part, 13-detection machine base. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0018] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0019] In addition, the descriptions of "first", "second", etc. in this application are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the said features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0020] like Figs. 1 to 4 As shown, an embodiment of the present invention provides a concrete test block positioning device, including: a base plate 1, a first slider 2, a second slider 3, and a clamping plate 4. The base plate 1 is symmetrically provided with guide grooves 5, the first slider 2 and the second slider 3 are installed in the guide grooves 5, and the first slider 2 and the second slider 3 are connected to each other by screws 6; the clamping plate 4 is L-shaped, and the clamping plate 4 is respectively installed on the upper part of the first slider 2 and the second slider 3; an embedded block 7 is provided at the lower part of the base plate 1, and a protrusion 8 is provided on the embedded block 7, and the base plate 1 is installed on the base 13 of the detection machine through the protrusion 8.

[0021] The first slider 2 and the second slider 3 slide linearly in the guide groove 5 on the bottom plate 1, the screw rod 6 is provided with a left-hand thread part and a right-hand thread part, when the screw rod 6 is rotated, the first slider 2 and the second slider 3 can be simultaneously moved relatively and drive the clamping plates 4 to move synchronously, so that the distance between the two clamping plates 4 and the center of the bottom plate 1 is always the same, the clamping plate 4 is of an L-shaped structure, the clamping plate 4 can be clamped on the opposite corners at the bottom of the concrete test block, so that the geometric center of the concrete test block is just located above the center of the bottom plate 1, the embedded block 7 is embedded below the center of the bottom plate 1, the existing detection machine base 13 is usually provided with a through hole directly below the pressure loading center, the bottom plate 1 is just used as a positioning point by the through hole on the detection machine base 13, and the bottom plate 1 is installed on the detection machine base 13 through the protruding part 8 on the embedded block 7, so that the geometric center of the concrete test block coincides with the pressure loading center of the hydraulic rod of the detection machine under the limiting action of the clamping plate 4, the rapid positioning is realized, and the working efficiency during detection is improved.

[0022] In a specific embodiment, the bottom plate 1 is provided with a connecting pipe 9, the protruding part 8 is sleeved outside the connecting pipe 9, and the embedded block 7 is embedded at the bottom of the bottom plate 1, the embedded block 7 adopts a replaceable mechanism, the inner side of the connecting pipe 9 can be processed with internal threads, the bolt 10 is connected with the connecting pipe 9, and the connecting pipe 9 is inserted into the protruding part 8, so that the embedded block 7 can be better embedded at the bottom of the bottom plate 1.

[0023] In a preferred embodiment, the outer diameter of the protruding part 8 is the same as the inner diameter of the center hole on the detection machine base 13, the connecting pipe 9 is connected with the detection machine base 13 through the bolt 10, the protruding part 8 is matched according to the inner diameter of the center hole on the detection machine base 13, so that the protruding part 8 can be clamped in the center hole on the detection machine base 13, and then positioned through the center hole, so that the center of the bottom plate 1 is just located directly below the loading center, thereby realizing the rapid centering of the concrete block.

[0024] Preferably, the screw rod 6 is provided with a left-hand thread part on one side and a right-hand thread part on the other side, the first slider 2 is connected with the left-hand thread part, the second slider 3 is connected with the right-hand thread part, after the screw rod 6 is rotated, the first slider 2 and the second slider 3 can be simultaneously moved, the moving directions of the first slider 2 and the second slider 3 are opposite, and the moving distances are the same, so that the midpoint of the line connecting the clamping plates 4 on the first slider 2 and the second slider 3 is always located directly above the center of the bottom plate 1, and after the clamping plates 4 clamp the opposite corners at the lower part of the concrete test block, the geometric center of the concrete test block is just located directly above the center of the bottom plate 1.

[0025] Specifically, the bottom plate 1 is provided with a baffle plate 11 on both sides, the screw rod 6 passes through the baffle plate 11 at both ends, and the screw rod 6 is connected with the baffle plate 11 at both ends through a limiting ring. The baffle plate 11 fixes the screw rod 6 in the bottom plate 1, so that the screw rod 6 can only rotate and cannot move axially, thereby providing an axial thrust to drive the first sliding block 2 and the second sliding block 3 to move.

[0026] In a preferred embodiment, the screw rod 6 is provided with a cylindrical part 12 at one end, the cylindrical part 12 is coaxially connected with the screw rod 6, and the inner side of the cylindrical part 12 is provided with a blind hole in the shape of a regular hexagon, which facilitates the use of a hexagonal wrench to rotate the screw rod 6, thereby adjusting the distance between the clamping plates 4.

[0027] Of course, the present application can have other various embodiments, and based on the present embodiment, other embodiments obtained by those of ordinary skill in the art without any creative labor shall fall within the scope of the present application.

Claims

1. A concrete test block positioning device, characterized by, The utility model relates to a kind of detection machine platform, including: Bottom plate (1), first slider (2), second slider (3), clamping plate (4), the bottom plate (1) is symmetrically provided with guide slot (5) on, first slider (2) and second slider (3) are installed in guide slot (5), and first slider (2) and second slider (3) are interconnected by screw rod (6);The clamping plate (4) is L-shaped, and clamping plate (4) is installed on the upper portion of first slider (2) and second slider (3) respectively;The bottom plate (1) lower portion is equipped with inlay block (7), and the protruding portion (8) is equipped on inlay block (7), and the bottom plate (1) is installed on the base of detection machine platform by protruding portion (8).

2. A concrete test block positioning device according to claim 1, characterised in that, The bottom plate (1) lower portion is equipped with connecting pipe (9), and protruding portion (8) is sleeved outside connecting pipe (9), and the inlay block (7) is embedded in the bottom of bottom plate (1).

3. A concrete test block positioning device according to claim 2, wherein, The outer diameter of the protruding portion (8) is same with the inner diameter of the center hole on the base of detection machine platform, and the connecting pipe (9) is connected with the base of detection machine platform by bolt (10).

4. A concrete test block positioning device according to claim 1, wherein, The screw rod (6) one side is equipped with left-hand thread portion, and the screw rod (6) other side is equipped with right-hand thread portion, and the first slider (2) is connected with left-hand thread portion, and the second slider (3) is connected with right-hand thread portion.

5. A concrete test block positioning device according to claim 1 wherein, The bottom plate (1) both sides are equipped with baffle (11), and screw rod (6) both ends pass through baffle (11), and screw rod (6) both ends are connected with baffle (11) by limiting ring.

6. A concrete test block positioning device according to claim 1, wherein, The screw rod (6) one end is equipped with cylindrical portion (12), and the cylindrical portion (12) is coaxially connected with screw rod (6), and the inside of cylindrical portion (12) is equipped with hexagonal blind hole.

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