CN220954710U - Concrete floor leveling device with double rollers - Google Patents

Abstract

A concrete floor leveling device with double rollers belongs to the field of building construction, and comprises two square steel guide rails, wherein a base system for supporting is arranged at the lower part of each square steel guide rail; the two ends of the roller are provided with supporting and guiding frame systems, and the roller is transversely spanned on the two square steel guide rails through the supporting and guiding frame systems; the two rollers are arranged, the end parts of the same end of the two rollers are arranged on a supporting and guiding frame system, the axes of the two rollers are parallel, and the rollers can roll forwards and backwards along the direction of the square steel guide rail. Through the structure, the concrete floor leveling device with the double rollers is small in human error, low in labor intensity and good in leveling effect.

Description

Concrete floor leveling device with double rollers

Technical Field

The utility model relates to the field of building construction, in particular to a concrete floor leveling device with double rollers.

Background

A concrete floor leveling control device is described in 201420095787. X. This kind of concrete floor control device that makes level is the comparatively common device of making level in present construction field, is equipped with stabilizer blade, scraper blade and adjusting nut, through the manual work lay the device of making level when using to manual operation scraper blade makes level, and present mainstream scraper blade is aluminium alloy material length and is greater than 3 meters large tracts of land construction of making level and aluminium alloy scraper blade used repeatedly can make the scraper blade appear warping. And the position where the leveling device is installed needs to be removed for secondary leveling, so that the repeatability of leveling work is improved.

Disclosure of Invention

The utility model provides a concrete floor leveling device with double rollers, which solves the problems of manual leveling length limitation, repeated use deformation of a scraping plate and secondary leveling after the leveling device is removed in the conventional concrete floor leveling control device.

In order to solve the technical problems, the utility model provides a concrete floor leveling device with double rollers, which comprises two square steel guide rails, wherein a base system for supporting is arranged at the lower part of each square steel guide rail; the two ends of the roller are provided with supporting and guiding frame systems, and the roller is transversely spanned on the two square steel guide rails through the supporting and guiding frame systems; the two rollers are arranged, the end parts of the same end of the two rollers are arranged on a supporting and guiding frame system, the axes of the two rollers are parallel, and the rollers can roll forwards and backwards along the direction of the square steel guide rail.

The bracket system comprises an ear plate, and two rollers are arranged at two ends of the lower part of the ear plate through bearing connecting rods and fixing nuts; the movable roll shaft is arranged on the upper portion of the lug plate through a bearing connecting rod and a fixing nut, the movable roll shaft is divided into two parts, one part is exposed outside the lug plate and is arranged on the square steel guide rail, and the other part is exposed inside the lug plate and is supported and positioned through the supporting plate. The upper part of the lug plate is provided with two mutually equal-height and parallel movable roll shafts, so that the construction effect is ensured.

The supporting plate is of a plate structure with a folded angle, and one end of the supporting plate is propped against the inner side of the ear plate; the other end is provided with a through hole which is sleeved on the bearing connecting rod and locked and positioned through a fixing nut, so that the supporting force is provided for the movable roll shaft, and the overall stability is ensured.

The bottom of the base system is a base I, and a sleeve is arranged on the base I; the bottom of the branch pipe is inserted in the sleeve, the top of the branch pipe is connected with an adjustable screw rod through an anti-slip nut and a position nut, a U-shaped bracket is arranged at the top of the adjustable screw rod, and the U-shaped bracket is supported at the bottom of the square steel guide rail. The height of the square steel guide rail can be adjusted according to the requirement.

The base system comprises a supporting and reinforcing rod, wherein a supporting fixed end on the upper part of the supporting and reinforcing rod is connected with the branch pipe, and the lower part of the supporting and reinforcing rod is connected with the base I, so that the stability of the base system is ensured.

And a leveling platform is arranged beside the square steel guide rail. Leveling platform includes the base II of bottom, is equipped with the square steel on the base II, and flexible square steel is installed through fixing bolt on square steel upper portion, and flexible square steel top is equipped with the bracket. The laser level meter is placed on the bracket, leveling and real-time adjustment are carried out by utilizing the laser level meter, and the progress and the efficiency are improved.

The beneficial effects of the utility model are as follows: according to the utility model, the roller principle is utilized, the roller is supported by the guide rail to roll the concrete surface, so that the aim of finely leveling the concrete surface layer is fulfilled, errors caused by human factors in the leveling process are avoided, and meanwhile, the laser level instrument is utilized for leveling and real-time adjustment, so that the progress and efficiency are improved. The problem of traditional interior decoration screed-coat elevation is different, and secondary construction screed-coat is easy empty is solved. And the roller system, the steel base and other self-made constructional parts can be recycled after concrete pouring is completed, so that the waste of materials is greatly reduced, and good social and environmental benefits are achieved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is an enlarged view of a portion of fig. 1.

Fig. 3 is a schematic diagram of a bracket system architecture.

Fig. 4 is a schematic diagram of a base architecture.

Fig. 5 is a schematic structural view of the leveling platform.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The concrete floor leveling device with the double rollers comprises a bracket system 1, rollers 2 and two square steel guide rails 3, wherein a base system 4 for supporting and leveling platforms 5 are arranged at the lower parts of the square steel guide rails 3. The two ends of the roller 2 are provided with a supporting and guiding frame system 1, and the roller 2 is transversely spanned on two square steel guide rails 3 through the supporting and guiding frame system 1; the two rollers 2 are arranged, the end parts of the same end of the two rollers 2 are arranged on a bracket system 1, the axes of the two rollers 2 are parallel, and the rollers can roll back and forth along the direction of the square steel guide rail 3.

As shown in fig. 2, the bracket system 1 comprises an ear plate 101, and two rollers 2 are mounted at two ends of the lower part of the ear plate 101 through a bearing connecting rod 104 and a fixing nut 103; the movable roll shaft 102 is arranged on the upper part of the lug plate 101 through a bearing connecting rod 104 and a fixed nut 103, the movable roll shaft 102 is divided into two parts, one part is exposed outside the lug plate 101 and is put on the square steel guide rail 3, and the other part is exposed inside the lug plate 101 and is supported and positioned through a supporting plate 105.

Preferably, two moving roll shafts 102 which are equal in height and parallel to each other are arranged on the upper part of the lug plate 101, so that the stability of the whole bracket system 1 in the rolling process of the roller 2 is ensured.

Preferably, a positioning fixing plate 106 is arranged between the moving roll shaft 102 and the lug plate 101, and the fixing plate 106 is sleeved on the bearing connecting rod 104 for reducing friction between the moving roll shaft 102 and the lug plate 101.

Preferably, the supporting plate 105 is a plate structure with a folded angle, and one end of the supporting plate abuts against the inner side of the ear plate 101; the other end is provided with a through hole which is sleeved on the bearing connecting rod 104 and locked and positioned through the fixing nut 103, so that the supporting force is provided for the movable roll shaft 102, and the overall stability is ensured.

As shown in fig. 3, the bottom of the base system 4 is a base I408, and a sleeve 405 is arranged on the base I408; the bottom of the branch pipe 404 is inserted in the sleeve 405, the top of the branch pipe is connected with the adjustable screw 402 through the anti-slip nut and the position nut 403, the top of the adjustable screw 402 is provided with the U-shaped bracket 401, and the U-shaped bracket 401 is supported at the bottom of the square steel guide rail 3, so that the height of the square steel guide rail 3 can be adjusted according to the requirement.

Preferably, the base system 4 comprises a supporting reinforcement bar 407, wherein a supporting fixed end at the upper part of the supporting reinforcement bar 407 is connected with the branch pipe 404, and the lower part of the supporting reinforcement bar 407 is connected with the base I408, thereby ensuring the stability of the base system 4.

A leveling platform 5 is arranged beside the square steel guide rail 3. Leveling platform 5 includes the base II505 of bottom, is equipped with square steel 504 on the base II505, and square steel 504 upper portion passes through fixing bolt 503 installation flexible square steel 502, and flexible square steel 502 top is equipped with bracket 501. The laser level is placed on the bracket 501, leveling and real-time adjustment are performed by using the laser level, and the progress and efficiency are improved.

The concrete construction is as follows:

1. Component part processing and manufacturing

1. And (3) manufacturing a leveling platform:

The leveling platform support is socket-and-spigot steel square, the height can be adjusted, the bottom of the upright post is fixed on the floor slab of the lower layer structure by using expansion screws, and meanwhile, two sides of the upright post are supported by using formwork steel pipes, so that the stability of the leveling steel pipes with rectangular cross sections is kept. And (3) installing a chamfer platform preformed hole on the template, enabling the steel pipe to pass through the floor slab surface of the area to be poured by 100mm-150mm, and welding a 5mm thick steel plate on the top surface of the steel pipe as a bracket for placing a laser level.

2. Base system fabrication

The base system consists of a steel base and a supporting screw. The base is made of steel structure, the bottom of the base is composed of four long strips of 150mm multiplied by 25mm in cross shape, and each cross long strip extends out of the holes to strengthen the overall stability. The center of the base is welded with a steel structure sleeve with the inner diameter of 18 mm.

The support screw is connected with a U-shaped clamping groove bracket for erecting a portable movable guide rail. The two sides of the U-shaped clamping groove transverse platform are bent upwards, so that the square steel guide rail can be prevented from accidentally sliding down in the construction process. The U-shaped clamping groove is lifted by the nuts which are connected with the bracket and can be screwed, and is reinforced by double nuts, so that slipping is prevented.

3. Manufacturing of square steel guide rail

The guide rail is made of square steel with the length of 6m and the specification of 25 multiplied by 25mm, and a short steel bar is welded on the inner side of one end of the angle steel for pulling the guide rail.

4. Guide frame system and double-roller manufacturing

The double rollers are composed of screw rods, round steel, steel pipes and steel plates. The double rollers are made of two DN150 seamless steel pipes and are formed by combining trapezoid connecting devices. The trapezoid connecting device is formed by welding steel plates, round steel is welded on the side face of the trapezoid connecting device, and the outer sleeve steel tube forms a rolling bearing.

2. Template engineering installation

1. And after the erection of the formwork support body is completed, installing the structural floor base wood formwork. And a template hole is reserved at each of four corners of the to-be-poured area structure, and an inverted trapezoid template is erected to serve as a reserved hole, so that the leveling steel support and the steel platform can be recycled.

2. After the reserved hole is installed, the lower layer structure floor slab is used as a substrate to support the leveling platform support, penetrates through the area to be poured, and is kept independent of the formwork system. And a laser level gauge is placed on the upper steel plate to form a continuous elevation measurement system, so that the whole process monitoring of the horizontal elevation of the structural construction is realized.

3. Guide rail base measuring, positioning and paying-off device

After the laser level is installed, the laser level is used for measuring and lofting the installation position of the guide rail base, according to the requirements of a construction scheme, the steel base is subjected to spot setting according to the distance of 2-5m according to the field condition, and the distance between two rows of bases is 2-5m, and the bases are arranged in parallel. And after the arrangement and paying-off of the base are completed, measuring and paying-off the elevation of the concrete surface, and marking the steel base.

4. Binding of reinforcing steel bars

And after timely communicating with a design unit, optimizing a design drawing, calculating the dead weight and bearing capacity of the floor slab structural member, and adjusting and increasing the thickness of a protective layer of the concrete of the floor slab structural member. And (5) blanking, binding and installing the steel bars on site according to the optimized drawing. Structural reinforcement binding should avoid touching two drum cross section survey stand, makes the super survey steel pipe stand keep relative independent state.

5. Base system installation

1. And fixing the cross-shaped steel fixing base according to the paid-out point positions. After the steel base is installed, iron nails are driven into the holes along the cross-shaped outer extending sections to fix the steel base. After the base is fixed, a PVC sleeve is sleeved outside the vertical steel pipe of the base and fixed by using an adhesive tape, and the top of the PVC sleeve exceeds the concrete elevation surface by more than 2 cm.

2. After the steel base is installed, an adjustable U-shaped clamping groove can be installed for erecting the guide rail. In the U-shaped clamping groove installation process, the exposed length of the supporting screw rod is calculated according to the elevation surface of the concrete and the height of the double sleeve, and after the exposed length is determined, the double nuts are screwed to the top end of the steel base to fix the steel base.

6. Bracket system and roller installation

1. The portable movable guide rail adopts 25X 25mm square steel, and is erected on the adjacent other guide rail bracket according to the designed direction, and meanwhile, the guide rail is kept stable with the bracket platform by utilizing dead weight, so that the jolt or floating of the guide rail in the construction process is avoided, and the continuity and stability of leveling of the cast-in-place concrete floor surface in a certain direction and within the guide rail range are ensured.

2. After the guide rail is installed, the double-roller leveling component is hung on the square steel guide rail by using a crane, then whether the elevation of the bottom of the double-roller is consistent with the elevation of the concrete surface or not is checked by using a measuring instrument, and the contact condition of the hanging roller shafts at the two ends of the double-roller component and the guide rail is checked, so that the roller shafts are required to be in good contact with the guide rail.

7. Synchronous construction of concrete beam slab pouring or mortar leveling layer

1. In the synchronous construction process of concrete pouring or mortar leveling layers, a roller shaft above a guide rail is manually dragged to drive a suspension type double roller to roll forwards, the effect of leveling primary slurry of a cast-in-place concrete floor slab or mortar leveling layer is achieved through dead weight rolling of the double roller, after construction of one construction section is completed, a square steel guide rail moves along with the construction direction to the next construction section, elevation of a guide rail support is dynamically tracked and checked by using a laser level meter, elevation deviation is found, and timely adjustment is achieved, so that leveling of the whole surface layer is achieved, and finally the purpose of fine leveling is achieved.

2. The four sides of the concrete pouring area or the concrete and mortar synchronous leveling area are measured and positioned by the laser level gauge placed on the rectangular section leveling steel pipe stand column, and the leveling stand column is independent of a floor formwork system and cannot be affected by a construction process, so that the floor structure, the mortar and the concrete synchronous leveling elevation are accurately controlled.

3. After leveling is finished, recycling and turnover use are carried out on the double-roller tool, the guide rail and the measuring steel frame, in the concrete member structure maintenance is finished and the form removal process, the steel base is recycled, after the bracket is pulled out, PVC pipe chiseling, hanging plate and repairing construction are arranged manually at the bracket pulling-out position, the floor flatness is ensured, and then structural floor concrete or a decoration surface layer is maintained through film covering, felt covering, water storage and the like.

Claims (8)

1. Concrete floor leveling device with double drum, its characterized in that: comprises two square steel guide rails (3), wherein the lower part of the square steel guide rails (3) is provided with a base system (4) for supporting; two ends of the roller (2) are provided with a supporting and guiding frame system (1), and the roller (2) is transversely arranged on the two square steel guide rails (3) through the supporting and guiding frame system (1); the two rollers (2) are arranged, the end parts of the same end of the two rollers (2) are arranged on a support and guide frame system (1), the axes of the two rollers (2) are parallel, and the rollers can roll forwards and backwards along the direction of the square steel guide rail (3).

2. The concrete floor leveling device with double rollers as claimed in claim 1, wherein: the bracket system (1) comprises an ear plate (101), and two rollers (2) are arranged at two ends of the lower part of the ear plate (101) through bearing connecting rods (104) and fixing nuts (103); the movable roll shaft (102) is arranged on the upper portion of the lug plate (101) through a bearing connecting rod (104) and a fixing nut (103), the movable roll shaft (102) is divided into two parts, one part is exposed outside the lug plate (101) and is arranged on the square steel guide rail (3), and the other part is exposed inside the lug plate (101) and is supported and positioned through a supporting plate (105).

3. A concrete floor leveling device with double rollers as claimed in claim 2, wherein: the upper part of the lug plate (101) is provided with two mutually equal-height and parallel movable roll shafts (102).

4. A concrete floor leveling device with double rollers as claimed in claim 2, wherein: the supporting plate (105) is of a plate structure with a folded angle, and one end of the supporting plate is propped against the inner side of the ear plate (101); the other end is provided with a through hole which is sleeved on the bearing connecting rod (104) and locked and positioned by a fixing nut (103).

5. The concrete floor leveling device with double rollers as claimed in claim 1, wherein: the bottom of the base system (4) is a base I (408), and a sleeve (405) is arranged on the base I (408); the bottom of the branch pipe (404) is inserted into the sleeve (405), the top of the branch pipe is connected with the adjustable screw (402) through the anti-slip nut and the position nut (403), the top of the adjustable screw (402) is provided with the U-shaped bracket (401), and the U-shaped bracket (401) is supported at the bottom of the square steel guide rail (3).

6. The concrete floor leveling device with double rollers as claimed in claim 5, wherein: the base system (4) comprises a supporting and reinforcing rod (407), wherein a supporting fixed end at the upper part of the supporting and reinforcing rod (407) is connected with the branch pipe (404), and the lower part of the supporting and reinforcing rod (407) is connected with the base I (408).

7. The concrete floor leveling device with double rollers as claimed in claim 1, wherein: a leveling platform (5) is arranged beside the square steel guide rail (3).

8. The concrete floor leveling device with double rollers as claimed in claim 1, wherein: leveling platform (5) include base II (505) of bottom, are equipped with square steel (504) on base II (505), and flexible square steel (502) are installed through fixing bolt (503) on square steel (504) upper portion, and flexible square steel (502) top is equipped with bracket (501).