Concrete pavement leveling pull rod

Abstract

The utility model provides a concrete pavement leveling pull rod, which relates to the technical field of road construction and comprises a plurality of steel pipes, two ends of the steel pipes are respectively connected through fixing plates, a plurality of bearings are arranged on the fixing plates, and the end parts of the steel pipes and inner holes of the bearings are connected through connecting pieces, so that the steel pipes are rotatably connected with the fixing plates; the connecting piece comprises a connecting rod and a connecting plate which are connected with each other; the connecting plate is arranged at the end part of the steel pipe; according to the pull rod, steel pipes of different specifications can be adopted for manufacturing steel pipes according to the width of a site construction road, a pulling tool is manufactured through site reinforcing steel bars to pull the hook, and in the construction process, a constructor only needs to pull the pull rod at a constant speed, so that concrete distribution and height adjustment can be achieved; the fixing plate and the steel pipes are connected through the connecting rod, the concrete pavement can be leveled conveniently, the bearing is arranged between the connecting rod and the fixing plate, rotation is flexible, labor is saved in use, and the fixing plate structure can be detached from the pull rod after the operation is finished so as to be reused.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, and particularly relates to a concrete pavement leveling pull rod. BACKGROUND

[0002] As an essential work in engineering construction, the road flatness directly affects the driving safety and comfort. The common leveling tools currently include a vibrating beam, a straightedge and a laser leveling machine, which realize the preliminary leveling of the concrete paving through mechanical vibration or laser positioning. However, the existing tools have significant limitations: most of the tools cannot realize the on-site rapid production, and need to be allocated in advance, which affects the construction progress to some extent. In the actual construction process, when the construction plan is changed due to the engineering progress or unpredictable factors, the required tools may not be in place in time, thereby delaying the construction period. SUMMARY

[0003] The utility model aims at the problems in the prior art, and provides a concrete pavement leveling pull rod, which is simple in structure, can be produced on site and is convenient to use.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] The utility model provides a concrete pavement leveling pull rod, which comprises a plurality of steel pipes arranged in parallel on the same plane, a plurality of ends of the steel pipes are connected in parallel through fixing plates, a plurality of bearings located on the same horizontal line are arranged on the fixing plates, the axis of the bearing is perpendicular to the fixing plate, a connecting piece is arranged between the end of the steel pipe and the inner hole of the bearing to realize the rotary connection between the steel pipe and the fixing plate.

[0006] The connecting piece comprises a connecting rod and a connecting plate which are connected to each other, the connecting end of the connecting rod is connected to the connecting plate perpendicularly, and the connecting plate is arranged at the end of the steel pipe so that the connecting end and the axis of the steel pipe are coaxial.

[0007] The connecting rod passes through the inner hole of the bearing and is clamped with the inner hole of the bearing, and a limiting structure is arranged on the connecting rod relative to the two sides of the bearing.

[0008] Optionally, the limiting structure comprises a stop block and a fixing piece arranged on the opposite sides of the bearing, wherein:

[0009] The stop block is fixedly installed on one side of the connecting rod close to the connecting plate;

[0010] The fixing piece is detachably installed on the other side of the connecting rod away from the connecting plate.

[0011] Optionally, the fixing piece comprises:

[0012] a threaded end, which is arranged away from the connecting end;

[0013] a nut, which is screwed to the threaded end, for clamping the inner ring of the bearing against the stopper.

[0014] Optionally, the connecting plate is a circular plate, and the outer diameter of the connecting plate is the same as the inner diameter of the steel pipe, so that the connecting plate is arranged inside the steel pipe to connect the steel pipe.

[0015] A connecting hole is arranged at the middle position of the connecting plate, and the connecting end passes through the connecting hole and connects with the connecting plate.

[0016] Optionally, a welding layer is arranged between the connecting end and the connecting hole.

[0017] A welding layer is arranged between the connecting plate and the steel pipe.

[0018] Optionally, a key groove is arranged in the inner hole of the bearing, and a connecting key matched with the key groove is arranged on the connecting rod, and the connecting key is inserted into the key groove to positionally install the connecting rod and the bearing.

[0019] Optionally, an anti-oxidation layer is arranged on the surfaces of the steel pipe, the fixing plate and the connecting piece.

[0020] Optionally, a hook is arranged at the top of the fixing plate close to the side of the traveling direction.

[0021] The utility model discloses the beneficial effects can produce including:

[0022] The concrete pavement flat pull rod has the following beneficial effects:

[0023] On-site production, convenient and efficient: different specifications of steel water pipes can be used to produce steel pipes according to the width of the on-site construction road, and the pull tool is made of on-site steel bars, and the construction personnel only need to pull the pull rod at a constant speed during the construction process to adjust the distribution and height of the concrete, the connecting plate of different sizes is used for steel pipes of different sizes, the connecting plate can be obtained by on-site cutting, the connecting rod connects the fixing plate and the plurality of steel pipes, the pull rod is convenient for leveling the concrete pavement, and the connecting rod and the fixing plate are provided with bearings, so that the pull rod is flexible and labor-saving, the fixing plate structure can be detached from the pull rod after the end to be reused, the tool structure is simple, and the tool can be produced on site without advance allocation, so that the problems of difficult allocation of the existing tool, influence on the construction progress, improvement of the construction efficiency and cost saving are solved. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0025] Figure 1 A structural schematic diagram of a concrete pavement leveling pull rod provided by the embodiments of the present application is shown in the figure.

[0026] Figure 2 A structural schematic diagram of a concrete pavement leveling pull rod provided by the embodiments of the present application is shown in the figure. Figure 1 An enlarged structural schematic diagram of part A in the figure.

[0027] Figure 3 A structural schematic diagram of a bearing and a connecting rod is shown in the figure.

[0028] Figure 4 A structural schematic diagram of a fixing plate is shown in the figure.

[0029] Figure legend: 1, steel pipe; 2, fixing plate; 21, bearing; 22, key groove; 23, hook; 3, connecting piece; 31, threaded end; 32, connecting rod; 33, stop block; 34, connecting end; 35, connecting plate; 36, nut; 37, connecting key. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. It should be noted that the various features in the embodiments of the present application can be combined with each other without conflict, and the combined embodiments are still within the protection scope of the present application.

[0031] The common concrete road leveling tools at present cannot be made on site quickly, and need to be allocated in advance, which affects the construction progress to some extent. In the actual construction process, when the construction plan is changed due to the engineering progress or unpredictable factors, the required tools may not be in place in time, thereby delaying the construction period. In order to solve the above problems, the embodiments of the present application provide a concrete pavement leveling pull rod, which is simple in structure, can be made on site, and is convenient to use.

[0032] As Figure 1As shown, this application embodiment provides a concrete pavement leveling tie rod, including several steel pipes 1 with their axes arranged parallel to each other on the same plane. The two ends of the steel pipes 1 are connected in parallel by fixing plates 2. Several bearings 21 located on the same horizontal line are provided on the fixing plates 2. The axes of the bearings 21 are perpendicular to the fixing plates 2. A connector 3 is provided between the end of the steel pipe 1 and the inner hole of the bearing 21 so that the steel pipe 1 and the fixing plate 2 are rotatably connected. The connector 3 includes a connecting rod 32 and a connecting plate 35 connected to each other. The connecting end 34 of the connecting rod 32 is perpendicularly connected to the connecting plate 35. The connecting plate 35 is provided at the end of the steel pipe 1 so that the connecting end 34 and the axis of the steel pipe 1 are coaxial. The connecting rod 32 passes through the inner hole of the bearing 21 and is engaged with the inner hole of the bearing 21. Limiting structures are provided on both sides of the connecting rod 32 relative to the bearing 21. This application embodiment can be fabricated on-site, which is convenient and efficient: steel pipes 1 of different specifications can be made according to the width of the road being constructed on-site. A pulling tool 23 is made using on-site steel bars. During construction, construction personnel only need to pull the lever at a uniform speed to adjust the distribution and height of the concrete. Different sizes of connecting plates 35 can be used to accommodate steel pipes 1 of different sizes. The connecting plates 35 can be cut on-site. The connecting rod 32 connects the fixing plate 2 and multiple steel pipes 1, which facilitates the leveling of the concrete road surface. A bearing 21 is provided between the connecting rod 32 and the fixing plate 2, which allows for flexible rotation and saves effort. After completion, the fixing plate 2 structure can be removed from the lever for reuse. The tool structure is simple and can be fabricated on-site without prior allocation, solving the problem of difficult allocation of existing tools and affecting the construction progress, improving construction efficiency and saving costs.

[0033] For example, such as Figure 2 As shown, the limiting structure includes stop blocks 33 and fixing members disposed on opposite sides of the bearing 21. The stop blocks 33 are fixedly installed on the side of the connecting rod 32 near the connecting plate 35; the fixing members are detachably installed on the side of the connecting rod 32 away from the connecting plate 35. The fixing members include: a threaded end 31, disposed away from the connecting end 34; and a nut 36, threaded onto the threaded end 31, used to press the inner ring of the bearing 21 against the stop blocks 33. This prevents the connecting rod 32 from excessively sliding or falling out of the inner hole of the bearing 21, ensuring the stability of the connection.

[0034] Specifically, the connecting plate 35 is a circular plate, the outer diameter of the connecting plate 35 is the same as the inner diameter of the steel pipe 1, so that the connecting plate 35 is placed inside the steel pipe 1 to connect the steel pipe 1; the connecting plate 35 is provided with a connecting hole at the middle position, and the connecting end 34 is connected with the connecting plate 35 through the connecting hole. Avoid the problem of unstable or loose connection caused by size mismatch, in actual use process, the connecting plate 35 can be replaced flexibly according to actual needs, to adapt to steel pipes 1 of different specifications, and the connecting hole is arranged at the middle position of the connecting plate 35, which can ensure that the axis of the steel pipe 1 is stable during rotation, improve the versatility and practicability of the tool, and meet the needs of various construction scenes.

[0035] Specifically, a welding layer is arranged between the connecting end 34 and the connecting hole; and a welding layer is arranged between the connecting plate 35 and the steel pipe 1. The welding connection can enhance the strength and stability of the connection.

[0036] As shown in Figure 3 The inner hole of the bearing 21 is provided with a key groove 22, and the connecting rod 32 is provided with a connecting key 37 matched with the key groove 22, the connecting key 37 is inserted into the key groove 22, so as to position and install the bearing 21 and the connecting rod 32. Prevent the connecting rod 32 from rotating in the inner hole of the bearing 21, so as to ensure the stable operation of the pull rod during construction, and facilitate the quick installation and disassembly of the construction personnel, save the construction time, and improve the work efficiency.

[0037] Specifically, the steel pipe 1, the fixed plate 2 and the connecting piece 3 are all provided with an anti-oxidation layer on the surface. Effectively prevent the material from being oxidized and corroded during construction, prolong the service life of the tool, and reduce the maintenance cost. The setting of the anti-oxidation layer also makes the surface of the tool more smooth, reduces the adhesion of the concrete on the surface of the tool, facilitates the cleaning after construction, improves the convenience and efficiency of construction, and maintains the appearance of the tool clean and stable performance.

[0038] As shown in Figure 4 The top of the fixed plate 2 near the side of the advancing direction is provided with a hook 23, which provides a convenient connection point for the construction process, facilitates the construction personnel to connect the pull rod with the reinforcing steel bar or other construction equipment, and realizes quick traction.

[0039] The manufacturing process of the concrete pavement leveling pull rod provided by the embodiment of the application is as follows:

[0040] 1) According to the width of the construction site road and the construction requirements, select the appropriate size of steel pipe as the raw material of the steel pipe 1, and prepare the prefabricated fixed plate 2 and connecting rod 32; 2) According to the inner diameter of the steel pipe 1, make a circular connecting plate 35, which has the same outer diameter as the inner diameter of the steel pipe 1, and process a connecting hole in the middle of the connecting plate 35; 3) Place the prepared connecting plate 35 inside the end of the steel pipe 1, make the connecting end 34 pass through the connecting hole of the connecting plate 35, and connect by welding. Pass the connecting rod 32 through the inner hole of the bearing 21, and make the connecting key 37 on the connecting rod 32 match the key groove 22 in the inner hole of the bearing 21. Screw the nut 36 on the threaded end 31 of the connecting rod 32 to complete the assembly of the entire pull rod.

[0041] The pull tool, steel pipe and connecting plate of the pull rod can be quickly made on site. The pull tool is connected to the hook 23 using steel reinforcement. During construction, the construction personnel only need to pull the pull rod at a uniform speed, or use a trolley or other equipment to pull the pull rod to adjust the distribution and height of the concrete. While maintaining the flatness of the concrete pavement, the operation convenience of the construction personnel is improved. When in use, the construction personnel only need to place the simple pull rod on the surface of the unhardened concrete, and use the pull tool to adjust the distribution and height of the concrete.

[0042] The above is only a preferred embodiment of the present application and is not intended to limit the present application. Those skilled in the art can make various changes and modifications to the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A concrete pavement leveling tie rod, comprising a plurality of steel pipes (1) with their axes arranged parallel to each other in the same plane, wherein the two ends of the plurality of steel pipes (1) are respectively connected in parallel by fixing plates (2), characterized in that: The fixed plate (2) is provided with a plurality of bearings (21) located on the same horizontal line. The axis of the bearing (21) is perpendicular to the fixed plate (2). A connector (3) is provided between the end of the steel pipe (1) and the inner hole of the bearing (21) so that the steel pipe (1) and the fixed plate (2) are rotatably connected. The connector (3) includes a connecting rod (32) and a connecting plate (35) that are connected to each other. The connecting end (34) of the connecting rod (32) is perpendicularly connected to the connecting plate (35). The connecting plate (35) is disposed at the end of the steel pipe (1) so that the axis of the connecting end (34) and the steel pipe (1) are coaxial. The connecting rod (32) passes through the inner hole of the bearing (21) and is engaged with the inner hole of the bearing (21). Limiting structures are provided on both sides of the connecting rod (32) relative to the bearing (21).

2. The concrete pavement leveling tie rod according to claim 1, characterized in that, The limiting structure includes stops (33) and fixing members disposed on opposite sides of the bearing (21), wherein: The stop block (33) is fixedly installed on the side of the connecting rod (32) near the connecting plate (35); The fastener is detachably mounted on the side of the connecting rod (32) away from the connecting plate (35).

3. The concrete pavement leveling tie rod according to claim 2, characterized in that, The fastener includes: A threaded end (31) is disposed away from the connecting end (34); Nut (36), which is threaded onto the threaded end (31), is used to press the inner ring of the bearing (21) against the stop (33).

4. The concrete pavement leveling tie rod according to claim 1, characterized in that, The connecting plate (35) is a circular plate, and the outer diameter of the connecting plate (35) is the same as the inner diameter of the steel pipe (1) so that the connecting plate (35) is placed inside the steel pipe (1) to connect the steel pipe (1). A connection hole is provided in the middle of the connecting plate (35), and the connecting end (34) passes through the connection hole and connects to the connecting plate (35).

5. The concrete pavement leveling tie rod according to claim 4, characterized in that, A welding layer is provided between the connecting end (34) and the connecting hole; A welded layer is provided between the connecting plate (35) and the steel pipe (1).

6. The concrete pavement leveling tie rod according to claim 1, characterized in that, The bearing (21) has a keyway (22) in its inner hole. The connecting rod (32) has a connecting key (37) that matches the keyway (22). The connecting key (37) is inserted into the keyway (22) to position and install the bearing (21) and the connecting rod (32).

7. The concrete pavement leveling tie rod according to claim 1, characterized in that, The steel pipe (1), the fixing plate (2) and the connector (3) are all provided with an anti-oxidation layer.

8. The concrete pavement leveling tie rod according to claim 1, characterized in that, The top of the fixing plate (2) near the direction of travel is provided with a hook (23).

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