Improved self-compacting concrete U-shaped box
By introducing supports and an openable/closable lid into the U-shaped box, the strength of the box is enhanced and cleaning is simplified, solving the problems of easy deformation and difficult cleaning of the U-shaped box, and achieving accuracy and smoothness of test results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-03-27
AI Technical Summary
Existing U-shaped boxes are prone to deformation and difficult to clean during testing, which affects the accuracy of test results.
An improved U-shaped box was designed, comprising a support, an openable and closable lid, and a frame. The frame enhances the strength of the box, and the openable and closable lid is provided at the bottom for easy cleaning.
It effectively avoids chamber deformation, improves test accuracy, simplifies the cleaning process, and ensures smooth and accurate testing.
Smart Images
Figure CN224051884U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model discloses a concrete detection equipment technical field, more particularly in kind of improved self-compacting concrete U type box. BACKGROUND
[0002] Self-compacting concrete belongs to a kind of concrete, compared with ordinary concrete has good flow performance, need not to vibrate, automatic filling forming etc., especially in the engineering part that cannot be vibrated and uses some aggregate that cannot be vibrated, so self-compacting concrete has wide application in practical engineering.U type box is an important device for the detection of self-compacting concrete working performance, mainly through the measurement of the height difference of concrete in two compartments, to reflect the yield stress of concrete mixture, plastic viscosity and the filling capacity of mixture.
[0003] But U type box has the following problems in actual use: ①in the test process, the box is limited by material and structure, and the deformation under the extrusion of concrete cannot be ignored, and the extrusion of concrete of different densities to the box wall is inconsistent, resulting in different degrees of deviation of the total amount of concrete, affecting the test results; ②the box body of U type box is a whole, only an opening exists in the upper part, and it is a complex process to clean the box after testing, and it is not easy to clean thoroughly, thereby affecting the test accuracy of next time.
[0004] Therefore, how to ensure that the box body of U type box does not appear obvious deformation after loading concrete and how to quickly and thoroughly clean the box body of U type box are the technical problems to be solved at present. UTILITY MODEL CONTENTS
[0005] The utility model aims at overcoming the deficiencies in the prior art, and provides an improved self-compacting concrete U type box, which can effectively avoid obvious deformation of the box body and is easy to quickly and thoroughly clean the box body, and improve the accuracy of test results.
[0006] In order to solve the above technical problems, the utility model is realized by the following technical scheme:
[0007] An improved self-compacting concrete U type box, comprising a support, a box body placed on the support and open at both upper and lower ends, a cover body arranged at the lower end of the box body and capable of being opened and closed, the inside of the box body is divided into left and right sides by a partition door fixed to the box body, one side of the partition door in the box body is provided with a movable partition door, and a movable grid with a gap of 4cm is arranged at the bottom of the partition door in the box body; the box body is in U shape, and the lower end has a rectangular pipe-shaped outlet; a rectangular frame body is fixed to the upper part of the outer wall of the box body, and the inner wall of the frame body is in close contact with the outer wall of the box body.
[0008] Preferably, the bottom of the box is provided with an openable and closable cover connected to the box; the opening and closing mechanism includes a base fixed to the box and a handle hinged to the base at the bottom.
[0009] Preferably, the frame is made of rectangular tubing welded together.
[0010] Preferably, the frame is connected to the box body by welding.
[0011] Preferably, the support includes a top frame fixed to the middle of the box, four columns whose upper ends are fixed to the four corners of the top frame, and a bottom frame whose four corners are fixed to the lower ends of the columns.
[0012] Compared with the prior art, the present invention has the following advantages:
[0013] 1) This utility model strengthens the box body by reinforcing the frame, which can effectively prevent significant deformation of the upper part of the box body when concrete is poured in, thereby ensuring the accuracy of the test and reducing the test error.
[0014] 2) An openable and closable cover is installed at the bottom of the U-shaped box, which greatly reduces the difficulty of cleaning the box without affecting its working performance, while increasing the speed and accuracy of cleaning, thereby ensuring the smoothness and accuracy of the test. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 for Figure 1 A three-dimensional image;
[0018] Figure 3 This is a side sectional view of the U-shaped box;
[0019] Figure 4 This is a front sectional view of the U-shaped box;
[0020] Figure 5 for Figure 2 Enlarged view of section A.
[0021] Explanation of symbols in the diagram:
[0022] 1, support; 2, box; 3, cover; 4, frame; 5, top frame; 6, column; 7, bottom frame; 8, partition door; 9, grid. DETAILED DESCRIPTION
[0023] In order to more clearly illustrate the purpose, technical solutions and advantages of the present application, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions of the embodiments of the present application. Obviously, the following described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application described below, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. By connecting the parts in the case in order, the specific connection and operation sequence should be referred to the working principle described below, and the detailed connection means is the known technology in the art, and the working principle and process are mainly introduced below.
[0024] In the description of the present application, the technical terms or scientific terms used should be understood by those skilled in the art in the technical field to which the present application belongs. It should be noted that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting", "setting" and the like should be broadly understood, for example, it can be fixedly connected, set, or it can be detachably connected, set, or it can be integrally connected, set. The terms "connection" or "connection" and similar words also do not mean only physical or mechanical connection, but also include electrical connection. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The terms "include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, and do not exclude other elements or objects. The terms "center", "upper", "lower", "front", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0025] The orientation or position relationship indicated by "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0026] At the same time, in order to keep the following description of the embodiments of the present application clear and simple, the present application omits the detailed description of known functions and known parts.
[0027] As shown in the drawings, the improved self-compacting concrete U-shaped box of the utility model, including support 1, solid connection in support 1, and both ends are open box 2, and the cover 3 of being set in the lower end of box 2 can be opened and closed, the box 2 is U-shaped, and the lower end has the outlet of square tube, the outer wall of the box 2 upper part is solidly connected with a rectangular frame 4, and the inner wall of the frame 4 is attached with the outer wall of the box 2, the U-shaped box body has a partition door 8 inside, and the box is divided into X room and Y room, and the bottom of the partition door 8 is provided with a grid 9.
[0028] As a specific technical scheme of the embodiment, the cover 3 is connected with the box 2 through the opening and closing mechanism.
[0029] When the cover is used to close the lower end of the box, the cover is covered on the lower end of the box, then the handle is pulled upward, and the curved part is hooked to realize the closing of the cover, and when the cover is opened, the handle is pulled in the reverse direction, and the curved part is separated, so that the cover can be opened.
[0030] As a specific technical scheme of the embodiment, the frame 4 is made of square tube welding, and obviously can be connected by bolt or rivet connection mode.
[0031] As a specific technical scheme of the embodiment, the frame 4 is connected with the box 2 by welding, and obviously can be connected by bolt or rivet connection mode.
[0032] As a specific technical scheme of the embodiment, the support 1 includes the top frame 5 solidly connected with the middle part of the box 2, the four vertical columns 6 with the four corners of the top frame 5 respectively, and the bottom frame 7 with the lower end of the vertical column 6 respectively.
[0033] The working process is as follows:
[0034] 1, washing box: after the box is washed by clean water, the top surface is horizontal, and the side of the box is vertical. The inner surface of the box is wiped with a wet cloth to keep it wet.
[0035] 2, device placement: the filling device is vertically placed, the top surface is horizontal, and it is ensured that the partition door can be freely opened and closed. At the same time, the receiving container for receiving concrete is placed below the lower opening of the box. Before the concrete sample is filled into the box, it is confirmed whether the cover of the outlet of the box is closed.
[0036] 3, install partition door and grid: in the filling device, the partition door is inserted and the grid barrier is installed, so as to form two independent spaces.
[0037] 4, concrete pouring: close the partition door, and continuously pour the newly mixed concrete sample into the X room with a plastic bucket container, and pay attention to not use a vibrating rod or rubber hammer to vibrate.
[0038] 5. Trowel and rest: Trowel the top surface of the concrete along the upper edge of the filling container, and then rest for 1 minute to make the concrete fully stable.
[0039] 6. Concrete flow: continuously and quickly pull up the interval door, and the concrete flows through the barrier of the grating type to the Y chamber until the flow stops. During this period, the filling device needs to be kept stationary and cannot be moved.
[0040] The above merely describes the preferred embodiments of the present application and is not intended to limit the protection scope of the present application. Any modification, equivalent replacement, and improvement of the technical solutions or part of the technical features described in the above specific embodiments, which are within the spirit and principle of the present application, shall be included in the protection scope of the present application.
Claims
1. An improved self-compacting concrete U-box, comprising a support (1), a box body (2) fixed to the support (1) and open at both upper and lower ends, and a cover (3) arranged at the lower end of the box body (2) and openable and closable; the box body (2) is in the shape of a U and has a rectangular tube-shaped outlet at the lower end; characterized in that: The outer wall of the box (2) is fixedly connected with a rectangular frame (4) at the upper part, the inner wall of the frame (4) is in close contact with the outer wall of the box (2), and the cover (3) provided at the lower end of the box (2) is openable and closable.
2. The modified self-compacting concrete U-box according to claim 1, characterized in that: The cover (3) is connected with the box (2) through an opening and closing mechanism; the opening and closing mechanism is provided at the cover (3) at the lower end of the box (2); the outer wall of the box (2) is fixedly connected with a rectangular frame (4) at the upper part, the inner wall of the frame (4) is in close contact with the outer wall of the box (2); the U-shaped box has a partition door (8) inside, which divides the box into X room and Y room.
3. The modified self-compacting concrete U-box according to claim 1 or 2, characterized in that: The frame (4) is made of rectangular tubes welded together.
4. The modified self-compacting concrete U-box according to claim 1 or 2, characterized in that: The frame (4) is connected with the box (2) by welding.
5. The modified self-compacting concrete U-box according to claim 3, wherein: The frame (4) is connected with the box (2) by welding.
6. The modified self-compacting concrete U-box according to claim 1 or 2, characterized in that: The support (1) comprises a top frame (5) fixedly connected with the middle part of the box (2), four vertical columns (6) with upper ends fixedly connected with the four corners of the top frame (5), and a bottom frame (7) with four corners fixedly connected with the lower ends of the vertical columns (6).
7. The modified self-compacting concrete U-box according to claim 3, wherein: The support (1) comprises a top frame (5) fixedly connected with the middle part of the box (2), four vertical columns (6) with upper ends fixedly connected with the four corners of the top frame (5), and a bottom frame (7) with four corners fixedly connected with the lower ends of the vertical columns (6).
8. The modified self-compacting concrete U-box according to claim 4, wherein: The support (1) comprises a top frame (5) fixedly connected with the middle part of the box (2), four vertical columns (6) with upper ends fixedly connected with the four corners of the top frame (5), and a bottom frame (7) with four corners fixedly connected with the lower ends of the vertical columns (6).