CN211137578U

CN211137578U - Inner wall rough surface forming device for cavity prefabricated part

Info

Publication number: CN211137578U
Application number: CN201922023942.2U
Authority: CN
Inventors: 张猛; 马云飞; 杨逸
Original assignee: Sany Construction Technology Co Ltd
Current assignee: Sany Construction Technology Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-07-31
Anticipated expiration: 2029-11-21

Abstract

The present disclosure provides an inner wall rough surface forming device for a cavity prefabricated part, which comprises a grab handle, an expansion part and bristles. The expansion part is connected with the grab handle; the bristles are arranged on the expansion part and used for forming a rough surface on the inner wall of the cavity prefabricated part; the expansion part is provided with an adjusting device for adjusting the distance between the bristles. The extension may be in the form of a plate, and the bristles are mounted on at least one of the faces of the extension for forming a roughened surface on the inner surface of the panel of the prefabricated wall of the cavity. The expansion part can also be a rotating body, and the bristles are arranged on the rotating surface of the expansion part and used for forming a rough surface on the inner surface of the cavity prefabricated column. This disclosed inner wall rough surface forming device drives brush hair reciprocating motion through the grab handle when the construction, forms groove structure on cavity prefabricated component's inner wall, can realize artifically or automatically at the high-efficient controllable and even rough surface of recess degree of depth that forms of cavity prefabricated component inner wall, improves product quality, promotes production efficiency.

Description

Inner wall rough surface forming device for cavity prefabricated part

Technical Field

The present disclosure relates to a tool for manufacturing a cavity prefabricated part, and more particularly, to an inner wall rough surface forming device for a cavity prefabricated part.

Background

In recent years, the development of assembly type buildings in China is rapid, and cavity prefabricated parts are also rapidly developed due to the advantages of light weight and good superposition stress performance.

In order to ensure that the precast concrete and the post-cast concrete bear the force together, the inner wall of the cavity precast member requires a certain rough surface so as to increase the binding force between the post-cast concrete and the precast concrete. At present, the rough surface forming modes of the inner wall of the cavity prefabricated part mainly comprise the following modes:

1. by adjusting the concrete proportion, a natural exposed aggregate rough surface is formed in the concrete forming process. The method has high operation requirement, the centrifugal production process is not easy to control, and the quality of the rough surface is not stable.

2. When the concrete of the member is initially set, workers pull marks on the surface of the concrete by using the steel bars. The method is labor-consuming and time-consuming, and has less marks of the drawn rough surface and uncontrollable depth.

3. The impression is pressed out by the surface mould, and the surface impression is smooth, the binding force is poor, and the mould is difficult to disassemble.

SUMMERY OF THE UTILITY MODEL

To solve or at least alleviate at least one of the above technical problems, the present disclosure provides an inner wall roughening molding apparatus for a cavity preform.

According to one aspect of the present disclosure, an inner wall roughening forming apparatus for a cavity preform includes:

a handle;

the expansion part is detachably connected with the grab handle;

and the bristles are arranged on the expansion part and used for forming a rough surface on the inner wall of the cavity prefabricated part.

According to at least one embodiment of the present disclosure, the extension part has a flat plate shape, and the brush is mounted on at least one plate surface of the extension part to form a rough surface on an inner surface of a leaf of the cavity prefabricated wall.

According to at least one embodiment of the present disclosure, the extension portion has a rectangular flat plate shape; and chamfers are arranged at the corners of the expansion part.

According to at least one embodiment of the present disclosure, the lateral spacing between the ends of the bristles is 1 to 3 times the width of the groove formed in the inner surface of the leaf.

According to at least one embodiment of the present disclosure, the bristles are mounted on two opposite plate surfaces of the expansion part, and a distance between two planes formed by ends of the bristles is greater than a thickness of a cavity of the cavity prefabricated wall.

According to at least one embodiment of the present disclosure, the bristles are mounted on one of the panels of the extension, and a position-limiting device is disposed on the other panel opposite to the panel on which the bristles are mounted, and the position-limiting device is used for abutting against the inner surface of one of the panels of the cavity prefabricated wall.

According to at least one embodiment of the present disclosure, an adjusting device is disposed between the limiting device and the plate surface of the expansion portion to adjust a distance between the limiting device and the plate surface.

According to at least one embodiment of the present disclosure, the limiting means is a semicircular plate or a roller.

According to at least one embodiment of the present disclosure, the expansion part is a rotating body, and the bristles are mounted on a rotating surface of the expansion part to form a rough surface on an inner surface of the cavity preform column.

According to at least one embodiment of the present disclosure, a projection of an area in which the ends of the bristles are distributed on a plane perpendicular to the rotation axis of the expansion portion has a square shape.

According to at least one embodiment of the present disclosure, on each side of the square, the lateral spacing between the ends of the bristles is 1-3 times the width of the groove formed in the inner surface of the cavity preform column.

According to at least one embodiment of the present disclosure, the extension is provided with a bristle adjusting means for adjusting the interval between the bristles.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is a front view of an exemplary embodiment of an internal wall roughening forming apparatus of the present disclosure.

Fig. 2 is a top view of the embodiment of the apparatus for forming an inner wall roughened surface of the present disclosure shown in fig. 1.

Fig. 3 is a side view of the embodiment of the apparatus for forming an inner wall roughening profile of the present disclosure shown in fig. 1.

Fig. 4 is a front view of an exemplary embodiment of an internal wall roughening forming apparatus of the present disclosure.

Fig. 5 is a side view of the embodiment of the apparatus for forming an inner wall roughening profile of the present disclosure shown in fig. 4.

Fig. 6 is a schematic view of an apparatus for forming a rough inner wall surface according to the present disclosure as applied to an inner surface of a prefabricated hollow wall panel according to the embodiment of fig. 1.

Fig. 7 is a schematic view of an apparatus for forming a rough surface on an inner wall according to the second embodiment of the present disclosure, as applied to an inner surface of a prefabricated hollow wall panel in accordance with the embodiment of fig. 1.

Fig. 8 is a schematic view of an embodiment of the device for forming a rough surface on an inner wall of a hollow preform column according to the present disclosure, as shown in fig. 4.

Fig. 9 is a side view of a schematic of the implementation shown in fig. 8.

Description of reference numerals:

1-a grab handle; 2-an expansion section; 3-brushing the bristles; 10-cavity prefabricated wall; 101-a first sheet; 102-a second sheet; 20-cavity precast columns; 30-a reinforcement cage.

Detailed Description

The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The cavity prefabricated parts refer to concrete prefabricated parts having a cavity structure, such as cavity prefabricated walls 10 and cavity prefabricated columns 20, which are produced by prefabrication. The cavity prefabricated wall 10 has two panels, namely a first panel 101 and a second panel 102, which are arranged in parallel at intervals. A cavity is formed between the first sheet 101 and the second sheet 102. The surfaces of the two panels exposed to the cavity are the inner surfaces, which can also be referred to as the inner walls of the cavity prefabricated wall 10. It is necessary to form a rough surface on the inner surface of the sheet. The thickness of the cavity is equal to the distance between the inner surfaces of the two leaf plates. The hollow prefabricated column 20 is a non-solid concrete prefabricated column, that is, when a column body is prefabricated by concrete, a hollow cavity with two ends communicated is formed in the column body. The roughened surface is formed on the inner surface of the hollow preform column 20, that is, the inner wall of the column body. Wherein a reinforcement cage 30 is arranged between the first leaf 101 and the second leaf 102 and inside the hollow prefabricated column 20.

In order to solve or at least alleviate at least one of the technical problems in the existing manner of forming the rough surface of the inner wall of the cavity prefabricated part, according to one aspect of the present disclosure, an inner wall rough surface forming device for the cavity prefabricated part comprises a handle 1, an expansion part 2 and bristles 3. Extension portion 2 can dismantle with grab handle 1 and be connected, sets up to detachable connection structure between extension portion 2 and the grab handle 1, can change the brush head of different forms and size (the extension portion of brush head for installing the brush hair, the interval between the brush hair sets up to a series of different values) according to the rough surface demand of difference, and the operation is swift, extensive applicability, and is with low costs. The expansion part 2 is located at the end of the grip 1, or may be located at a middle part of the grip 1. The expansion part 2 has the functions of installing the bristles 3, the bristles 3 are installed on the expansion part 2, and the bristles 3 and the expansion part 2 can be of a detachable installation structure or an integrated structure. The bristles 3 serve to form a roughened surface on the inner wall of the hollow prefabricated member. The bristles 3 may be made of soft elastic material, such as steel wire, plastic, etc. The bristles 3 may be arranged in rows in the transverse direction, in columns in the longitudinal direction, or in staggered rows in the transverse direction and the longitudinal direction. The lateral direction in this context means a direction perpendicular to a line along which the inner wall rough surface forming means reciprocates during construction, that is, a direction perpendicular to a direction in which the formed grooves extend, and is shown as an up-down direction in a plan view shown in fig. 2; the longitudinal direction herein means a direction parallel to a straight line along which the inner wall rough surface forming device reciprocates at the time of construction, that is, a direction parallel to an extending direction of the formed groove, and is shown as a left-right direction in a plan view shown in fig. 2.

This disclosed inner wall mat surface forming device drives brush hair 3 at the inner wall reciprocating motion of cavity prefabricated component through grab handle 1 when the construction, and brush hair 3 forms groove structure on the inner wall of cavity prefabricated component, can realize artifically or automatically at the controllable and even mat surface of cavity prefabricated component inner wall high-efficient formation groove depth, improves product quality, promotes production efficiency.

Optionally, the extension 2 is provided with an adjustment device, the position of the bristles 3 connected to the extension 2 being changeable, the adjustment device being used to adjust the spacing between the bristles 3. The adjustment means may be manually adjustable, for example, by providing elongated holes in the extension 2, fixing the bristles 3 in the elongated holes by means of attachment members such as screws, and manually adjusting the positions of the attachment members such as screws in the elongated holes to adjust the distance between the bristles 3.

Alternatively, if the inner wall rough surface forming device is used for automatic operation in cooperation with a machine device, the grip 1 may be provided with a connecting portion for facilitating installation in cooperation with the machine device. If manual operation is used, the handle 1 may be provided with auxiliary structures to facilitate the handling operation, such as a protrusion or a ring at the end of the handle 1 intended for handling, for example, to facilitate the pushing or pulling operation. Alternatively, the grip 1 may be provided with an anti-slip means such as a concave-convex structure in the region for holding.

Referring to fig. 1, 2 and 3, there are shown front, top and side views of an exemplary embodiment of an apparatus for forming an interior wall roughening of the present disclosure. In one embodiment of the present disclosure, the extension portion 2 may be configured in a flat plate shape and have two flat plate surfaces with opposite directions, and the brush bristles 3 may be attached to at least one plate surface of the extension portion 2, that is, the brush bristles 3 may be attached to only one plate surface, or the brush bristles 3 may be attached to both plate surfaces. The bristles 3 are used to form a roughened surface on the inner surface of the panel of the cavity prefabricated wall 10. The embodiment is mainly used for the cavity prefabricated wall 10, and the inner surfaces of the two sheets of the cavity prefabricated wall 10 are two planes which are parallel to each other, so that the flat plate-shaped extension part 2 can conveniently extend into the cavity between the two sheets for construction operation.

Optionally, the extension part 2 is rectangular flat plate-shaped; set up the chamfer in the corner of extension 2, when the rough surface forming device of inner wall stretched into the cavity and carries out the operation, be convenient for improve the trafficability characteristic of extension 2. The transverse width of the expansion part 2 is not more than 200mm, 200mm is the distance between the transverse ribs of the reinforcement cage 30 in a common wall body member, and when the transverse width of the expansion part 2 exceeds 200mm, the expansion part 2 cannot pass through the transverse ribs of the cavity prefabricated wall 10. The chamfer angles at the four corners of the expansion part 2 also allow the expansion part 2 to smoothly pass through without being blocked after contacting with the transverse rib when the expansion part runs back and forth. Therefore, as can be seen by those skilled in the art, the expansion part 2 may also be in the shape of a diamond or a circular flat plate, so that the operation is smoother.

Optionally, the transverse spacing between the ends of the bristles 3 is 1-3 times the width of the groove formed in the inner surface of the leaf. The bristles 3 in the same row form a row of grooves on the inner surface of the leaf, and the grooves have certain width. The transverse distance between the bristles 3 is not too close, and the too close bristles 3 can cause the overlapping of grooves on a rough surface, so that the whole surface is smooth and is not beneficial to cleaning the bristles 3 after use; meanwhile, the bristles 3 are not too sparse, and the overall area occupation ratio of the grooves is reduced and the roughness is insufficient due to the too sparse bristles 3. The normal pitch of the bristles 3 should match the width of the grooves formed on the roughened surface by the bristles 3, and when the width of the grooves is 4mm to 7mm, the center-to-center distance of the grooves is about 8mm to 20mm, i.e., the lateral pitch of the bristles 3 is generally 8mm to 20 mm.

Optionally, the two opposite plate surfaces of the expansion part 2 are provided with bristles 3, and the distance between two planes formed by the ends of the bristles 3 is greater than the thickness of the cavity prefabricated wall 10. That is, the total length of the bristles 3 on both faces (and also the thickness of the extension 2) may be slightly greater than the thickness of the cavity of the prefabricated wall 10, so that when the bristles 3 on one side abut the inner surface of the first sheet 101, the bristles 3 on the other side can press a rough surface of uniform depth on the inner surface of the second sheet 102. The total thickness of the cavity prefabricated wall 10 is 200 mm-500 mm, the thickness of the cavity is about 100 mm-400 mm, and the total length of the bristles 3 at both sides can be 100 mm-400 mm. The two plate surfaces are provided with the brush hairs 3, so that the brush hairs can be used alternatively in two directions.

Optionally, the bristles 3 are mounted on one of the panels of the extension 2, and a position-limiting device is disposed on the other panel opposite to the panel on which the bristles 3 are mounted, and the position-limiting device is used for abutting against the inner surface of one of the panels of the cavity prefabricated wall 10. The limiting device can adopt a semicircular plate or a roller. When the semi-circular plate or roller on one side of the expansion part 2 is tightly attached to the inner surface of the first leaf plate 101, the brush 3 on the other side can extrude a rough surface with consistent depth on the inner surface of the second leaf plate 102.

Further, an adjusting device can be arranged between the limiting device and the plate surface of the expansion part 2, and the adjusting device is used for adjusting the distance between the limiting device and the plate surface, so that the requirements of operation in cavities with different thicknesses are met.

Alternatively, because current laminated wall panel structures are limited by the size of the form deck, the height thereof typically does not exceed 3 m. When the inner wall rough surface forming device disclosed by the disclosure is used for operation, a mode of pushing in and pulling out at one end can be adopted, and the length of the grab handle 1 is more than 1m and less than 3 m. The handle 1 can be pushed in from both sides and then pulled out, and the length of the handle 1 can be reduced to 1 m-1.5 m. When the length of the grab handle 1 is too long, the operation convenience is poor, the occupied factory space is large, and the length of the grab handle 1 is recommended to be 1.3m in consideration of the size of the extension part 2.

The operation of the wall panel forming apparatus of the present disclosure will be described with reference to fig. 6 and 7, which are schematic diagrams illustrating the method of forming the inner wall rough surface on the inner surface of the panel of the cavity prefabricated wall 10. Fig. 6 shows a component of the cavity prefabricated wall 10 with only one concrete panel (first panel 101) poured. After the concrete slab is initially set, the inner wall rough surface forming device is used for pulling back and forth through the reinforcement cage 30 of the hollow prefabricated wall 10 component, namely, the rough surface is linearly moved in a reciprocating way along the longitudinal direction, and the rough surface with uniform depth is formed on the inner surface of the first slab 101. Fig. 7 shows a component of the cavity prefabricated wall 10 with two concrete panels (the first panel 101 and the second panel 102) poured, wherein the concrete of the upper first panel 101 is hardened and has sufficient strength, and the lower second panel 102 is still in an initial setting state. An inner wall rough surface forming device penetrates through the reinforcement cage 30 of the hollow prefabricated wall 10 member, and the inner wall of the first sheet 101 which is close to the upper part is pulled back and forth, namely, the inner wall is linearly moved in a reciprocating way along the longitudinal direction, and a rough surface with uniform depth is formed on the inner surface of the second sheet 102.

Referring to fig. 4 and 5, a front view and a side view of an exemplary embodiment of an inner wall roughening forming apparatus of the present disclosure are shown. In one embodiment of the present disclosure, the expansion part 2 may adopt a rotating body, where the rotating body is a geometric body formed by rotating an area surrounded by a closed curve on a plane around a fixed straight line on the plane where the area is located, and a curved surface formed by the closed curve is a rotating surface; the fixed straight line is a rotating shaft. Bristles 3 are mounted on the rotation surface of the expansion part 2 for forming a rough surface on the inner surface of the hollow preform column 20. The embodiment is mainly used for the cavity precast column 20, and the periphery of the cavity precast column 20 is provided with the inner wall, so that the rotary expansion part 2 is convenient to extend into the cavity of the cavity precast column 20 for construction operation. Optionally, when the expansion part 2 runs back and forth, the expansion part 2 can still smoothly pass through the stirrup in the prefabricated hollow column 20 without being blocked, and chamfers can be arranged at the front end and the rear end of the expansion part 2. Therefore, as can be seen by those skilled in the art, the expansion part 2 may also be spherical or ellipsoidal, and thus operates more smoothly.

Alternatively, the projection of the area where the ends of the bristles 3 are distributed on a plane perpendicular to the rotation axis of the expansion 2 is square (as shown in fig. 5). That is, the bristle 3 distributed around the extension part 2 has a square outline in the area formed by the tips of the bristle 3 on the projection plane perpendicular to the extension direction of the handle 1 (usually, the extension direction of the handle 1 is the same as the direction of the rotation axis of the extension part 2).

Alternatively, the lateral spacing between the ends of the bristles 3 on each side of the square area formed by the tips of the bristles 3 is 1-3 times the width of the groove formed in the inner surface of the cavity preform column 20. This embodiment is similar to the reason for the selected range of the lateral distance between the ends of the brush staples 3 on the flat plate-like extension 2, and will not be described in detail.

Alternatively, the height of the prefabricated column 20 is generally not more than 6m due to the current cavity. When the inner wall rough surface forming device disclosed by the disclosure is used for operation, a mode of pushing in and pulling out at one end can be adopted, and the length of the grab handle 1 is more than 3m and less than 6 m. It is also possible to use a mode of pushing in and pulling out the handle 1 from both sides, and the length of the handle 1 can be reduced to 3 m.

The construction operation process of the inner wall rough surface forming device of the present disclosure used for the inner surface of the cavity precast column 20 will be described with reference to the schematic diagrams of the implementation method shown in fig. 8 and 9. Wherein, fig. 8 and 9 are the hollow concrete prefabricated column components just finished in production, after the concrete on the inner wall of the prefabricated column is initially set, the inner wall rough surface forming device is used for passing through stirrup neutral positions on the periphery in a reinforcement cage 30 of the hollow prefabricated column component one by one, and the inner wall rough surface forming device is pulled back and forth, namely, the inner wall rough surface forming device moves linearly along the longitudinal direction in a reciprocating way, so that rough surfaces with uniform depth are formed on the inner surface of the hollow prefabricated column components.

According to the rough surface forming device of the inner wall, the brush bristles 3 are driven to reciprocate on the inner wall of the cavity prefabricated part through the grab handle 1 during construction, the brush bristles 3 form a groove structure on the inner wall of the cavity prefabricated part, manual or automatic rough surfaces with controllable and uniform groove depth can be formed on the inner wall of the cavity prefabricated part efficiently, product quality is improved, and production efficiency is improved.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.

Claims

1. An apparatus for forming rough surfaces on inner walls of hollow prefabricated parts, comprising:

a handle;

the expansion part is detachably connected with the grab handle;

2. The apparatus for forming a roughened inner wall surface as claimed in claim 1, wherein said extension is in the form of a plate, and said bristles are mounted on at least one of the plate surfaces of said extension for forming a roughened surface on the inner surface of the panel of the prefabricated wall of the cavity.

3. The apparatus for forming an inner wall roughness as claimed in claim 2, wherein the lateral spacing between the ends of said bristles is 1 to 3 times the width of the groove formed in the inner surface of said leaf.

4. The apparatus for forming a rough surface on an inner wall according to claim 2, wherein the bristles are mounted on opposite plate surfaces of the extension portion, and the distance between two planes formed by the end portions of the bristles is greater than the thickness of the cavity of the prefabricated wall.

5. The apparatus for forming an interior wall roughening as claimed in claim 2 wherein said extensions have said bristles mounted on one of said faces and stop means disposed on the other of said faces opposite to the face on which said bristles are mounted, said stop means being adapted to abut the interior surface of one of the panels of the prefabricated wall of the cavity.

6. The apparatus for forming an inner wall rough surface according to claim 5, wherein an adjusting means is provided between the stopper means and the plate surface of the expanded portion to adjust a distance between the stopper means and the plate surface.

7. The apparatus for forming an inner wall rough surface according to claim 5, wherein the position-limiting means is a semicircular plate or a roller.

8. The apparatus for forming inner wall roughening as claimed in claim 1 wherein said extension is a rotating body and said bristles are mounted on said rotating surface of said extension for forming roughening on the inner surface of said preformed post of the cavity.

9. The apparatus for forming an inner wall roughened surface as defined in claim 8, wherein the area in which the end portions of the bristles are distributed has a square shape in projection on a plane perpendicular to the rotation axis of the expanded portion.

10. The apparatus for forming an inner wall roughness as claimed in claim 9, wherein the lateral spacing between the ends of the bristles on each side of the square is 1 to 3 times the width of the groove formed in the inner surface of the preform column of the cavity.