CN220285267U - Concave concrete surface lap joint scraping bar - Google Patents

Abstract

The utility model discloses a concave concrete surface lap joint scraping bar, belonging to the field of building construction tools; the device comprises a scraping lever, a connecting rod, a hollow sleeve and a pushing handle, wherein the connecting rod is longitudinally arranged at two ends of the hanging lever respectively, the hollow sleeve is transversely and fixedly arranged on the connecting rod, and one end of the pushing handle is inserted into the hollow sleeve and is rotationally connected with the hollow sleeve; the product can finish concrete leveling construction of the concave limiting area by using the formed datum plane, ensure accurate elevation indexes and meet design and specification requirements.

Description

Concave concrete surface lap joint scraping bar

Technical Field

The utility model relates to a scraping bar, in particular to a concave concrete surface lap joint scraping bar, and belongs to the field of building construction tools.

Background

The scraping bar can be frequently used in the leveling process of concrete floors and road pouring, and the technical state of the industry is as follows: the cuboid concrete scraping bar is mainly used for sliding on the datum plane to level concrete.

The prior art has elevation pile scraping bars: the elevation of the top of the steel pipe is controlled to be consistent with the surface of the concrete by using a level gauge to serve as an elevation pile, and a 4m long aluminum alloy scraping bar is adopted to slide on the top of the steel pipe so as to achieve the effect of leveling the concrete (see Shanxi building, 35, 6 th period P165-P166, methods for ensuring the surface flatness of the ground concrete, ruan Zhong). The prior art also has angle steel-aluminum alloy scraping bars: the concrete ash cake is manufactured on the ground, the angle steel is placed on the top surface of the ash cake, the elevation of the top of the angle steel is controlled to be consistent with that of the concrete surface through the level gauge, and the 4m long aluminum alloy scraping bar is adopted to slide on the angle steel track, so that the effect of leveling concrete is achieved. (see Tianjin construction science, 24, 5 th edition P34-P35, application of angle iron-aluminum alloy scratch bar simple system in large-area ground flatness control, guo Leilei, lv Bo, ge Chuanling, wang Yan, chen Guxing).

The technical problems are that: the existing concrete scraping bar is only suitable for the condition that the elevation of the top surface of the concrete is consistent with that of the existing datum planes on the two sides, concrete pouring is completed, the concrete scraping bar can be directly lapped on the datum planes to be leveled in a sliding mode, when the concrete surface is lower than the datum planes on the two sides, in a concave construction area, the concrete scraping bar is extremely easy to clamp by the curb on the two sides due to the fact that the width of the concrete scraping bar is basically consistent with that of the pavement on the concave construction area, the manual operation of the concrete scraping bar is difficult, and the side surfaces of the datum planes on the two sides are smooth, no elevation control points are available, the elevation of the concrete is difficult to control, the construction process error is large, and the follow-up quality is extremely easy to influence. The scraping bar with the specific structure can be used in specific construction environments only, and when different construction environments are encountered, the corresponding scraping bar needs to be manufactured again, so that the construction cost is greatly improved, and the operation efficiency is reduced.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a concave concrete surface lap joint scraping bar.

The technical scheme adopted by the utility model is as follows: the utility model provides a concave concrete face overlap joint scrapes thick stick, includes that the rectangle is scraped the lever, adopts aluminium alloy ex-trusions processing to form, and it still includes connecting rod, hollow sleeve pipe and promotion handle, scrape the lever both ends and vertically set up the connecting rod respectively and form upper shed C structure, horizontal fixed mounting hollow sleeve pipe on the connecting rod, promote handle one end to insert in hollow sleeve pipe and rotate with hollow sleeve pipe and be connected. When the scraper bar is used, the scraper bar is placed on the top surface of the concrete to be leveled, the hollow sleeve is propped against the existing datum planes on the two sides of the concrete to be leveled, and the pushing handle (one constructor is used for holding the scraper bar, and if the length of the scraper bar is smaller, the constructor can also be used for holding and pushing the scraper bar) is held and pushed to operate.

Further, this design still includes the overlap joint flat board, the fixed overlap joint flat board that sets up (welds) of hollow sleeve pipe downside, overlap joint flat board adopts 10cm 20cm 2cm steel sheet, indicates to level and smooth, and the roughness deviation is 0. When in use, the lap joint flat plate is attached and slides with the existing datum planes on two sides of the concrete to be leveled.

Further, the two ends of the scraping lever are respectively provided with the ear plates, the ear plates are arranged on the front side and the rear side of the end part of the scraping lever, the ear plates are provided with connecting holes, the scraping levers are connected through the ear plates, and the ear plates can be used for connecting other types of scraping levers with lengths smaller than or larger than the scraping levers, so that the scraping levers can be scraped according to different using fields Jing Jiachang.

Further, set up the mounting hole on the connecting rod, hollow sleeve one end is provided with the connecting plate, the connecting plate can be C type connecting plate or L type connecting plate, the connecting plate passes through bolt assembly connection with the connecting rod and fixes, the dismouting of being convenient for.

Further, the mounting holes penetrate through the connecting rod, and a plurality of mounting holes are formed in the longitudinal array of the rod body of the connecting rod, so that the height of the lap joint flat plate can be adjusted, and the use scene with different depth requirements is met.

Further, the pushing handle is of a Z-shaped structure and is formed by welding reinforcing steel bars.

Compared with the prior art, the utility model has the beneficial effects that:

1. the overlapping flat plates are overlapped on the formed datum plane when the concrete leveling machine is used, the concrete leveling machine is suitable for concrete leveling construction in which the concrete surface and the forming surfaces on two sides are not in the same plane and are in concave cross sections, the elevation of the datum plane is effectively transferred to a concrete scraping bar through fixedly connecting all parts, concrete is leveled through the scraping bar, the accuracy of the formed concrete is ensured to be Cheng Zhibiao, the construction error is reduced, and the concrete leveling machine is well coordinated with the formed surfaces.

2. This product is scraped the thick stick with concrete and is welded with other parts, can remove the thick stick of scraping through pushing the handle, eliminates the restriction of concave region to the thick stick flattening operation is scraped to concrete, will scrape the removal of thick stick and transmit to upper portion unlimited space by lower part restriction space, and is easy and simple to handle, improves work efficiency, saves the manual work.

3. The product can be adapted to concave sections of various sizes by adjusting the connection positions of the components, and is convenient to process and install and simple and convenient to produce.

The utility model has the advantages of simple structure, convenient manufacture, good applicability, low construction cost, high production efficiency and high accuracy.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an isometric view of the present utility model.

FIG. 2 is a schematic illustration of the use of the present utility model.

In the figure: 1-scraping lever, 2-connecting rod, 3-hollow sleeve, 4-pushing handle, 5-lapping flat plate, 6-ear plate, 7-mounting hole, 8-connecting plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present 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.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Furthermore, in the description of the present utility model, unless otherwise indicated, if the terms "plurality," "plurality" and "group" are used in the sense of two or more, the orientation or positional relationship indicated by the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description and for simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

Example 1

As shown in fig. 1 and 2: the utility model provides a concave concrete face overlap joint scrapes thick stick, includes scrapes lever 1, can adopt processing such as aluminum alloy side's pipe, channel-section steel to form, and it still includes connecting rod 2, hollow sleeve 3 and promotes handle 4, and connecting rod 2 can be the side's pipe, and hollow sleeve 3 adopts the steel pipe, scrape lever 1 both ends and vertically set up connecting rod 2 respectively, horizontal fixed mounting hollow sleeve 3 on the connecting rod 2, promote handle 4 one end to insert in hollow sleeve 3 and rotate with hollow sleeve 3 and be connected. The hollow sleeve 3 is characterized by further comprising a lap joint flat plate 5, and the lap joint flat plate 5 is fixedly arranged on the lower side of the hollow sleeve 3.

The utility model discloses a scraper lever, including scraping lever 1, otic placode 6 is provided with respectively at scraping lever 1 both ends, otic placode 6 sets up in the front and back both sides of scraping lever 1 tip and with scraping lever 1 tip parallel and level, offers the connecting hole on the otic placode 6. The connecting rod 2 is provided with a mounting hole 7, one end of the hollow sleeve 3 is provided with a connecting plate 8, and the connecting plate 8 is fixedly connected with the connecting rod 2 through a bolt assembly. The mounting holes 7 penetrate through the connecting rod 2, and a plurality of mounting holes 7 are arranged in a longitudinal array along the rod body of the connecting rod 2. The pushing handle 4 is of a Z-shaped structure and is formed by welding reinforcing steel bars.

The technical problems to be solved by the embodiment are as follows: when the concrete surface to be poured and the reference planes on two sides are not on the same plane, and the construction area is concave, the device is developed, the accuracy of the elevation of the concrete surface is ensured by utilizing the existing reference planes on two sides, and the operation in the limited construction area is ensured to be simple.

While the present utility model has been described in detail with reference to the drawings, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present utility model within the knowledge of those skilled in the art.

Claims (6)

1. Concave concrete face overlap joint scrapes thick stick, including scraping lever (1), its characterized in that: still include connecting rod (2), hollow sleeve pipe (3) and promote handle (4), scrape lever (1) both ends and vertically set up connecting rod (2) respectively, horizontal fixed mounting hollow sleeve pipe (3) on connecting rod (2), promote handle (4) one end to insert in hollow sleeve pipe (3) and rotate with hollow sleeve pipe (3) and be connected.

2. The female concrete face overlap doctor blade of claim 1 wherein: the hollow sleeve is characterized by further comprising a lap joint flat plate (5), and the lap joint flat plate (5) is fixedly arranged on the lower side of the hollow sleeve (3).

3. The female concrete face overlap doctor blade of claim 2 wherein: ear plates (6) are respectively arranged at two ends of the scraping lever (1), the lug plates (6) are arranged on the front side and the rear side of the end part of the scraping lever (1), and connecting holes are formed in the lug plates (6).

4. A female concrete face overlap doctor blade as claimed in claim 3 wherein: the connecting rod (2) is provided with a mounting hole (7), one end of the hollow sleeve (3) is provided with a connecting plate (8), and the connecting plate (8) is fixedly connected with the connecting rod (2) through a bolt assembly.

5. The female concrete face overlap doctor blade of claim 4 wherein: the mounting holes (7) penetrate through the connecting rod (2), and a plurality of mounting holes (7) are formed in the longitudinal array of the rod body of the connecting rod (2).

6. The female concrete face overlap doctor blade of claim 5 wherein: the pushing handle (4) is of a Z-shaped structure and is formed by welding reinforcing steel bars.