Concrete appearance control tool capable of working stably

Abstract

The utility model discloses a concrete appearance control tool capable of working stably, which belongs to the technical field of concrete pouring and comprises a concrete control tool assembly, the concrete control tool assembly comprises an upper box body and a lower box body which are oppositely spliced together, and a first steel wheel and a second steel wheel are respectively arranged on the peripheral sides of the end parts of two shafts. Supporting columns are arranged on the outer wall of the peripheral side of the lower box body, a plastering plate used for plastering flatly is fixed to the bottom ends of the supporting columns, positioning balance assemblies are symmetrically connected to the positions, located between the first steel wheel and the second steel wheel, of the peripheral sides of the upper box body and the lower box body in a clamped mode, and the first steel wheel and the second steel wheel are connected in a limited and clamped mode through the positioning balance assemblies. The first steel wheel and the second steel wheel move in a balanced mode in the plastering process. When concrete appearance control construction is carried out, design elevation construction can be carried out on concrete, and losses caused by elevation errors and image problems are avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to concrete pouring technical field, especially a concrete appearance control tool that can work stably. BACKGROUND

[0002] With the steady improvement of construction speed, people's quality requirements of production are gradually improved, and the appearance control work after concrete pouring has a crucial influence on quality and image. Individual differences of workers in construction will lead to risks in concrete engineering quality, and a standardized tool is urgently needed to solve the individual differences of workers.

[0003] In the modern construction process, the quality of the concrete surface directly affects the overall performance and aesthetic degree of the building. The traditional troweling tool is usually composed of simple manual or semi-automatic devices. These devices are prone to instability, uneven troweling and other problems during operation, resulting in poor final concrete surface quality. Due to the instability of the equipment, the troweling plate may float up and down or shift left and right during operation, resulting in uneven concrete surface. SUMMARY

[0004] The utility model aims at providing a concrete appearance control tool that can work stably to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a concrete appearance control tool that can work stably, comprising a concrete control tool assembly, the concrete control tool assembly comprising an upper box body and a lower box body that are spliced together, a handle being installed on the top surface of the upper box body, a driving shaft being arranged inside the lower box body, shaft end portions being arranged at both ends of the driving shaft and extending to the outside of the upper box body and the lower box body, a first steel wheel and a second steel wheel being respectively arranged on the circumferential side of each of the shaft end portions, a support column being arranged on the circumferential outer wall of the lower box body, a troweling plate for troweling and leveling being fixed to the bottom end of the support column, a positioning and balancing assembly being symmetrically clamped between the upper box body and the lower box body and located between the first steel wheel and the second steel wheel, the positioning and balancing assembly being clamped between the first steel wheel and the second steel wheel to balance the movement of the first steel wheel and the second steel wheel during troweling.

[0006] Preferably, a clamping groove piece is clamped to the lower part of the circumferential side of each of the first steel wheel and the second steel wheel.

[0007] Preferably, each positioning and balancing assembly comprises a fixed horizontal plate horizontally arranged between the first steel wheel and the second steel wheel, a U-shaped base fixed to the outer wall of the upper box body and the lower box body, a connecting rod welded to the outer wall of the U-shaped base, and a locking bolt screw-mounted to the outer wall of the fixed horizontal plate.

[0008] Preferably, the screw rod end of the locking bolt penetrates through the fixed transverse plate and is fixedly connected with the connecting rod.

[0009] Preferably, the U-shaped base is welded with mounting ear plates at two ends away from the connecting rod, and each mounting ear plate is connected with the upper box body and the lower box body through bolts.

[0010] Preferably, the inner wall of each fixed transverse plate is integrally connected with a U-shaped clamping plate at two ends, and the two adjacent U-shaped clamping plates are respectively clamped on the first steel wheel and the second steel wheel.

[0011] Preferably, the inner wall of each U-shaped clamping plate is rollingly embedded with a plurality of positioning steel balls, and the positioning steel balls are respectively in rolling frictional contact with the first steel wheel and the second steel wheel.

[0012] Preferably, the two ends of the driving shaft are provided with sleeves, the upper box body and the lower box body are respectively embedded with bearings at two ends in the inner cavities, and the inner rings of the two bearings are in interference fit connection with the circumferential sides of the driving shaft.

[0013] Preferably, the two ends of the upper box body and the lower box body after splicing are respectively embedded with bearing end covers.

[0014] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0015] The concrete appearance control tool capable of working stably is provided with the positioning balance assembly symmetrically clamped between the first steel wheel and the second steel wheel on the circumferential sides of the upper box body and the lower box body, the positioning balance assembly limits and clamps between the first steel wheel and the second steel wheel, the first steel wheel and the second steel wheel balance move when plastering, and tilting and misplacement are prevented. The positioning balance assembly ensures that the first steel wheel and the second steel wheel always keep balance during the plastering process, avoids the problem of uneven plastering caused by tilting of the equipment, can realize more accurate control of the height of the concrete surface, reduces the quality problems caused by height errors, and thus improves the overall construction quality.

[0016] When the concrete appearance control construction is carried out, the concrete can be designed to have a design elevation, and the loss caused by height errors and image problems is avoided. In the design of the plastering plate, the device can change the design elevation by adjusting the thickness of the plastering plate, the plastering plate can be disassembled through threads, and the reusability is improved. In the design of the steel wheel, the device can change the applicable formwork width by changing the thickness of the steel wheel, and the steel wheel can be directly disassembled, thereby saving the reuse cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 It is a structural schematic diagram of the present application;

[0019] Figure 2 It is a connection structure schematic diagram of the positioning and balancing assembly of the present application;

[0020] Figure 3 It is a connection structure schematic diagram of the fixed horizontal plate of the present application;

[0021] Figure 4 It is a split structure schematic diagram of the fixed horizontal plate and the connecting rod of the present application;

[0022] Figure 5 It is a sectional view of the present application; Figure 1

[0023] Figure 6 It is a left view schematic diagram of the present application.

[0024] Explanation of reference signs:

[0025] In the figure: 1, concrete control tool assembly; 2, upper box body; 3, lower box body; 4, plastering board; 5, support column; 6, first steel wheel; 7, clamping groove piece; 8, shaft end; 9, second steel wheel; 10, handle; 11, positioning and balancing assembly; 12, fixed horizontal plate; 13, U-shaped base; 14, mounting ear plate; 15, connecting rod; 16, locking bolt; 17, U-shaped clamping plate; 18, positioning steel ball; 19, driving shaft; 20, bearing; 21, sleeve; 22, bearing end cover. DETAILED DESCRIPTION

[0026] In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present application. However, it is obvious to those skilled in the art that the present application can be implemented without one or more of these details. In other examples, in order to avoid obscuring the present application, some technical features known to those skilled in the art are not described.

[0027] Unless the direction indicated by the single definition is specified, the directions such as up, down, left, right, front, back, inside and outside involved in this paper are based on the directions such as up, down, left, right, front, back, inside and outside in the figure shown by the present application, which is explained here. ​

[0028] This embodiment provides, for example Figures 1 to 6 The concrete surface control tool shown includes a concrete control tool assembly 1, which comprises an upper box 2 and a lower box 3 that are spliced ​​together. A handle 10 is installed on the top surface of the upper box 2. An active shaft 19 is provided inside the lower box 3. Both ends of the active shaft 19 are provided with shaft ends 8 extending to the outside of the upper box 2 and the lower box 3. A first steel wheel 6 and a second steel wheel 9 are respectively provided on the periphery of the two shaft ends 8. A support column 5 is provided on the periphery of the lower box 3. A plastering board 4 for plastering and leveling is fixed at the bottom of the support column 5. A positioning and balancing component 11 is symmetrically engaged on the periphery of the upper box 2 and the lower box 3 between the first steel wheel 6 and the second steel wheel 9. The positioning and balancing component 11 limits and engages the first steel wheel 6 and the second steel wheel 9, so that the first steel wheel 6 and the second steel wheel 9 move in a balanced manner during plastering and prevent the first steel wheel 6 and the second steel wheel 9 from tilting or misaligning. During concrete appearance control construction, the device allows for construction at the designed elevation, avoiding losses due to elevation errors and aesthetic issues. In terms of leveling slab design, the device can change the usable elevation by adjusting the slab thickness.

[0029] In this embodiment, both the lower periphery of the first steel wheel 6 and the second steel wheel 9 are fitted with slotted parts 7.

[0030] In this embodiment, each positioning and balancing component 11 includes a fixed horizontal plate 12 arranged laterally between the first steel wheel 6 and the second steel wheel 9, a U-shaped base 13 fixed to the outer wall of the upper box 2 and the lower box 3, a connecting rod 15 welded to the outer wall of the U-shaped base 13, and a locking bolt 16 threaded onto the outer wall of the fixed horizontal plate 12.

[0031] In this embodiment, the screw end of the locking bolt 16 passes through the fixing plate 12 and is fixedly connected to the connecting rod 15.

[0032] In this embodiment, mounting ear plates 14 are welded to both ends of the U-shaped base 13 away from the connecting rod 15, and each mounting ear plate 14 is connected to the upper box 2 and the lower box 3 by bolts.

[0033] In this embodiment, each fixed horizontal plate 12 has a U-shaped clamping plate 17 integrally connected to both ends of its inner wall, and two adjacent U-shaped clamping plates 17 are respectively clamped onto the first steel wheel 6 and the second steel wheel 9.

[0034] In this embodiment, the inner wall of each U-shaped clamping plate 17 is rolled and embedded with a plurality of positioning steel balls 18, which are respectively in rolling frictional contact with the first steel wheel 6 and the second steel wheel 9. When the two U-shaped clamping plates 17 of the fixed horizontal plate 12 are clamped on the first steel wheel 6 and the second steel wheel 9, the positioning steel balls 18 in each U-shaped clamping plate 17 are respectively in rolling friction with the first steel wheel 6 and the second steel wheel 9, so that the first steel wheel 6 and the second steel wheel 9 can be limited by the U-shaped clamping plate 17, and the rotation of the first steel wheel 6 and the second steel wheel 9 is not hindered.

[0035] In this embodiment, the two ends of the driving shaft 19 are provided with sleeves 21, and the upper box body 2 and the lower box body 3 are respectively embedded with bearings 20 in the inner cavities of the two ends. The inner rings of the two bearings 20 are in interference fit connection with the circumferential side of the driving shaft 19.

[0036] In this embodiment, the two ends of the upper box body 2 and the lower box body 3 after splicing are respectively embedded with bearing end covers 22.

[0037] Working principle

[0038] The concrete appearance control tool that can work stably, the upper box body 2 and the lower box body 3 are spliced together, and the stability is ensured, the handle 10 is installed on the top surface of the upper box body 2, which is convenient for the operator to hold and operate, the driving shaft 19 is arranged in the lower box body 3, and the shaft end 8 at both ends extends to the outside of the upper box body 2 and the lower box body 3, and is connected with the first steel wheel 6 and the second steel wheel 9 respectively, the supporting column 5 is used to fix the plastering plate 4 at the bottom end of the lower box body 3, which is used for subsequent plastering and leveling work, the positioning and balancing assembly 11 is symmetrically clamped between the first steel wheel 6 and the second steel wheel 9 on the circumferential side of the upper box body 2 and the lower box body 3, so as to ensure the limiting clamping between them, so that the first steel wheel 6 and the second steel wheel 9 can move balancedly during plastering, and the inclination or misplacement phenomenon is prevented.

[0039] The clamping groove piece 7 is clamped on the lower part of the circumferential side of the first steel wheel 6 and the second steel wheel 9 to further enhance the stability, each positioning and balancing assembly 11 is composed of a fixed horizontal plate 12, a U-shaped base 13, a connecting rod 15 and a locking bolt 16, wherein the locking bolt 16 penetrates the fixed horizontal plate 12 and is fixedly connected with the connecting rod 15, so as to ensure the firmness of the whole structure, and the U-shaped base 13 is welded with mounting ear plates 14 at both ends, and is connected with the upper box body 2 and the lower box body 3 through bolts, providing additional stable support.

[0040] In the specific operation, the device is placed on the concrete surface to be treated, the first steel wheel 6 and the second steel wheel 9 are driven to rotate by the driving shaft 19, the troweling plate 4 is driven to trowel, the positioning steel ball 18 in the U-shaped clamping plate 17 is in rolling friction contact with the first steel wheel 6 and the second steel wheel 9, which plays a limiting role and does not hinder the rotation, the bearing 20 is located in the opposite inner cavities of the upper box body 2 and the lower box body 3, and is in interference fit with the driving shaft 19, so as to ensure smooth rotation, and the bearing end cover 22 protects the internal structure from external influences.

[0041] It should be noted that, in the present document, relational terms such as one and the other and at least one of are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying that each modified entity or action must exist separately from another entity or action. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... limit does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the stated elements.

[0042] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A concrete appearance control tool capable of smooth operation, comprising a concrete control tool assembly (1), characterized in that: The concrete control tool assembly (1) comprises an upper box (2) and a lower box (3) which are relatively spliced together, the top surface of the upper box (2) is provided with a handle (10), the inside of the lower box (3) is provided with a driving shaft (19), both ends of the driving shaft (19) are provided with shaft end portions (8) extending to the outside of the upper box (2) and the lower box (3), the circumferential sides of the two shaft end portions (8) are respectively provided with a first steel wheel (6) and a second steel wheel (9), the circumferential side outer wall of the lower box (3) is provided with a support column (5), the bottom end of the support column (5) is fixedly provided with a troweling plate (4) for troweling leveling, the circumferential sides of the upper box (2) and the lower box (3) and between the first steel wheel (6) and the second steel wheel (9) are symmetrically clamped with positioning and balancing assemblies (11), the positioning and balancing assemblies (11) limit and clamp between the first steel wheel (6) and the second steel wheel (9), so that the first steel wheel (6) and the second steel wheel (9) balance and move when troweling.

2. A concrete appearance control tool capable of smooth operation according to claim 1, characterized in that: The circumferential sides of the first steel wheel (6) and the second steel wheel (9) are clamped with clamping groove pieces (7).

3. A concrete appearance control tool capable of smooth operation according to claim 2, wherein: Each of the positioning and balancing assemblies (11) comprises a fixed horizontal plate (12) horizontally arranged between the first steel wheel (6) and the second steel wheel (9), a U-shaped base (13) fixed to the outer wall of the upper box (2) and the lower box (3), a connecting rod (15) welded to the outer wall of the U-shaped base (13), and a locking bolt (16) screwed to the outer wall of the fixed horizontal plate (12).

4. A concrete appearance control tool capable of smooth operation according to claim 3, wherein: The screw rod end of the locking bolt (16) penetrates through the fixed horizontal plate (12) and is fixedly connected with the connecting rod (15).

5. A concrete appearance control tool capable of smooth operation according to claim 4, wherein: The two ends of the U-shaped base (13) away from the connecting rod (15) are welded with mounting ear plates (14) opposite to each other, and each of the mounting ear plates (14) is connected with the upper box (2) and the lower box (3) through bolts.

6. A concrete appearance control tool capable of smooth operation according to claim 5, wherein: The inner walls of each of the fixed horizontal plates (12) are integrally connected with U-shaped clamping plates (17), and the adjacent two U-shaped clamping plates (17) are clamped on the first steel wheel (6) and the second steel wheel (9) respectively.

7. A concrete appearance control tool capable of smooth operation according to claim 6, wherein: The inner walls of each of the U-shaped clamping plates (17) are rollingly embedded with a plurality of positioning steel balls (18), and the positioning steel balls (18) are rollingly and frictionally contacted with the first steel wheel (6) and the second steel wheel (9) respectively.

8. A concrete appearance control tool capable of smooth operation according to claim 7, wherein: The circumferential sides of both ends of the driving shaft (19) are provided with sleeves (21), and the inner cavities of the upper box (2) and the lower box (3) are respectively embedded with bearings (20), and the inner rings of the two bearings (20) are connected with the circumferential sides of the driving shaft (19) in interference fit.

9. A concrete appearance control tool capable of smooth operation according to claim 8, wherein: The two ends of the upper box (2) and the lower box (3) after splicing together are embedded with bearing end covers (22).

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