Pipeline elbow prefabricating device for electric pre-buried construction of wind power plant

Abstract

The utility model discloses a pipeline elbow prefabricating device for electric pre-buried construction of a wind power plant, which comprises a working platform, a limiting groove is arranged on the platform surface of the working platform and is used for limiting and fixing a pipeline, one side of the working platform is fixedly connected with a mounting ring vertical to the platform surface, and a fixing rod is transversely arranged on the inner ring of the mounting ring and is used for fixing the pipeline. A pipe bending rod is assembled on the fixing rod, an arc-shaped groove is formed in the outer surface of the pipe bending rod and used for limiting and fixing a pipeline when the pipeline is bent, and a heating pipe is arranged in the pipe bending rod and used for heating the pipe bending rod so as to preheat the pipeline making contact with the pipe bending rod. A pipe bending assembly used for bending a preheated pipeline and a pressing assembly used for pressing and fixing the pipeline are arranged on the working table. According to the utility model, the working procedure is simple when the pipeline is bent, the preheating bending is efficient and quick, and the site construction operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline elbow prefabrication, in particular to a pipeline elbow prefabrication device for electrical pre-buried construction in a wind farm. Background Art

[0002] Electrical engineering is an important sub-project of wind farm installation projects. Its success or failure is related to the progress, acceptance and use of the entire single project. The wind turbine foundation is usually a large concrete block foundation. There are usually many pre-buried wire pipes for electrical instruments in the foundation. PVC wire pipes are generally used, and the right-angle joints of the wire pipes generally use elbows with larger radians. This requires staff to pre-bend the wire pipe ends in advance.

[0003] It is understood that the equipment / devices currently used for prefabrication of pipeline elbows generally have problems such as complex and bulky structure, inconvenient operation, easy damage when bending PVC pipes, and rebound phenomenon after bending PVC pipes. There are certain shortcomings that need to be solved urgently. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings and deficiencies of the prior art and provide a pipeline elbow prefabrication device for wind farm electrical pre-buried construction with a simple and reliable structure, which simplifies the pipeline bending process, makes preheating and bending efficient and quick, and facilitates on-site construction operations.

[0005] To achieve the above-mentioned purpose, the technical solution provided by the present invention is: a pipeline elbow prefabrication device for electrical pre-buried construction in a wind farm, comprising a workbench, a limiting groove being provided on the workbench surface for limiting and fixing the pipeline, a mounting ring being fixedly connected to one side of the workbench and perpendicular to the workbench surface, a fixing rod being horizontally provided on the inner ring of the mounting ring, a bending rod being equipped on the fixing rod, an arc-shaped groove being formed on the outer surface of the bending rod for limiting and fixing the pipeline when bending, a heating pipe being provided in the bending rod for heating the bending rod and thereby preheating the pipeline in contact with the bending rod, a bending assembly for bending the preheated pipeline and a clamping assembly for clamping and fixing the pipeline being respectively provided on the workbench.

[0006] Preferably, the pipe bending assembly includes a bracket, which is fixed to the bottom of the workbench and close to the pipe bending rod. The bracket is rotatably connected to a first hydraulic rod, and the movable end of the first hydraulic rod is fixedly connected to a connecting ring. The connecting ring is rotatably connected to a connecting plate, and the connecting plate is located below the pipe bending rod. Both ends of the connecting plate are fixedly connected to a limiting ring through a connecting rod. The two limiting rings are rotatably assembled on the fixed rod and are located on both sides of the pipe bending rod. A bending rod spanning the entire pipe bending rod is fixedly connected between the two limiting rings. The bending rod can rotate around the fixed rod with the limiting ring to achieve bending of the pipeline.

[0007] Preferably, the clamping assembly includes a fixed frame, which is fixedly connected to the table top of the workbench. A second hydraulic rod is vertically installed on the fixed frame, and the movable end of the second hydraulic rod is fixedly connected downwardly to a pressure plate for clamping the pipeline placed on the limit groove.

[0008] Preferably, the pressing plate is arranged in an arc shape to fit the pipeline surface.

[0009] Preferably, a material stripping assembly is provided on the workbench, and the material stripping assembly includes a third hydraulic rod, and the third hydraulic rod is fixedly connected to the limiting groove, and the movable end of the third hydraulic rod is fixedly connected to a material stripping plate, and the material stripping plate slides in the limiting groove under the drive of the third hydraulic rod, and the bent pipeline is pushed out by the movement of the material stripping plate.

[0010] Preferably, a gap capable of accommodating the mounting ring is formed on one side of the workbench.

[0011] Preferably, the fixing rod is located on the inner diameter of the mounting ring, and the bent pipe rod is located in the center of the fixing rod.

[0012] Preferably, the limiting groove is arranged in an arc shape to fit the surface of the pipeline and is located in the center of the workbench.

[0013] Preferably, the bent pipe rod is a dumbbell-shaped metal heat-conducting rod with large ends and a concave middle.

[0014] Preferably, support legs are provided at the bottom of the workbench.

[0015] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0016] The pipeline is set on the surface of the bending rod, and the bending rod is heated by a heating pipe, so that the pipeline is heated to facilitate bending. The connecting ring is driven to move by the first hydraulic rod, so that the connecting plate drives the limit ring to rotate, and then drives the bending rod to rotate to bend the pipeline. There is no need to heat the pipeline before moving, which reduces the trouble caused by secondary fixation and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the structural diagrams of the device of the present utility model.

[0018] Figure 2 This is the second structural diagram of the device of the present utility model.

[0019] Figure 3 This is the third structural diagram of the device of the present utility model.

[0020] Figure 4 for Figure 3A partial enlarged view of . DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of this application more clear, the following further describes this application in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application pertains. The terms used herein in the specification of this application are for the purpose of describing specific embodiments only and are not intended to limit this application.

[0023] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element or connected to the other element through an intermediate element. In the following embodiments, "connection" should be understood as "electrical connection", "communication connection", etc., if the connected circuits, modules, units, etc. can transmit electrical signals or data to each other.

[0024] As used herein, the singular forms "a," "an," and "the" may also include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include," "comprising," "having," and the like specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof. Furthermore, the terms used in this specification include any and all combinations of the relevant listed items.

[0025] like Figures 1 to 4 As shown, this embodiment discloses a pipeline elbow prefabrication device for electrical pre-buried construction in a wind farm, comprising a work platform 1, a limiting groove 5 being provided on the surface of the work platform 1 for limiting and fixing the pipeline, a mounting ring 3 perpendicular to the surface of the work platform 1 being fixedly connected on one side, a fixing rod 4 being horizontally provided on the inner ring of the mounting ring 3, a bending rod 6 being mounted on the fixing rod 4, an arc groove being formed on the outer surface of the bending rod 6 for facilitating the bending of the pipeline, and limiting and fixing the pipeline when the pipeline is bent, a heating pipe 7 being provided in the bending rod 6, the pipeline to be bent being placed in the limiting groove 5, the heating pipe 7 being started to heat the bending rod 6, thereby preheating the pipeline, a bending assembly 8 for bending the preheated pipeline and a clamping assembly 9 for clamping and fixing the pipeline are respectively provided on the work platform 1.

[0026] Specifically, the bending pipe assembly 8 includes a bracket 801, which is fixed to the bottom of the workbench 1 and close to the bending pipe rod 6. A first hydraulic rod 802 is rotatably connected to the bracket 801, and the movable end of the first hydraulic rod 802 is fixedly connected to a connecting ring 803. The connecting ring 803 is rotatably connected to a connecting plate 804. The connecting plate 804 is located below the bending pipe rod 6, and its two ends are respectively fixedly connected to a limiting ring 805 through a connecting rod 807. The two limiting rings 805 are rotatably assembled on the fixed rod 4 and are located on both sides of the bending pipe rod 6. A bending rod 806 spanning the entire bending pipe rod 6 is fixedly connected between the two limiting rings 805. The bending rod 806 can rotate around the fixed rod 4 with the limiting ring 805 to achieve bending of the pipeline. The bending rod 806 and the mounting ring 3 do not contact each other. During operation, the first hydraulic rod 802 is started, and the connecting ring 803 is moved under the action of the first hydraulic rod 802, so that the connecting plate 804 drives the limiting ring 805 to rotate along the fixed rod 4, and then the bending rod 806 is rotated to bend the pipeline for easy use.

[0027] Specifically, the clamping assembly 9 includes a fixing frame 901, which is fixedly connected to the surface of the workbench 1. A second hydraulic rod 902 is vertically mounted in the center of the fixing frame 901. The movable end of the second hydraulic rod 902 is fixedly connected downwardly to a pressure plate 903, which is used to compress the pipeline placed on the limiting groove 5. The pressure plate 903 is arranged in an arc shape to better fit the pipeline surface and facilitate pipeline fixation. During operation, the second hydraulic rod 902 compresses and fixes the pipeline, preventing the pipeline from rebounding when bent, facilitating the prefabrication of pipeline elbows.

[0028] Specifically, the workbench 1 is provided with a stripping assembly 10, which includes a third hydraulic rod 1001, which is fixedly connected to the limiting groove 5. The movable end of the third hydraulic rod 1001 is fixedly connected to a stripping plate 1002. The stripping plate 1002 slides in the limiting groove 5 under the drive of the third hydraulic rod 1001, and the bent pipeline is pushed out by the movement of the stripping plate 1002. During operation, the third hydraulic rod 1001 is activated, driving the stripping plate 1002 to move, and the bent pipeline is pushed out by the movement of the stripping plate 1002, thereby realizing the function of unloading and reducing the labor intensity of workers.

[0029] Specifically, a notch that can accommodate the mounting ring 3 is formed on one side of the workbench 1; the fixing rod 4 is on the inner ring diameter of the mounting ring 3; the bending rod 6 is in the center of the fixing rod 4; the limiting groove 5 is in the center of the table top of the workbench 1 and is arranged in an arc shape, which is convenient for fixing the pipeline and better fitting with the pipeline; the bending rod 6 is a dumbbell-shaped metal heat-conducting rod with large ends and a concave middle, and the heating tubes 7 are distributed at both ends; the bottom of the workbench 1 is provided with support legs 2.

[0030] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. A prefabricated device for pipeline elbows used in pre-buried electrical construction of wind farms, characterized in that: The utility model comprises a workbench (1), wherein a limiting groove (5) is provided on the surface of the workbench (1) for limiting and fixing the pipeline; a mounting ring (3) perpendicular to the surface of the workbench (1) is fixedly connected to one side of the workbench (1); a fixing rod (4) is horizontally provided on the inner ring of the mounting ring (3); a bending rod (6) is assembled on the fixing rod (4); an arc groove is formed on the outer surface of the bending rod (6) for limiting and fixing the pipeline when bending; a heating pipe (7) is provided in the bending rod (6) for heating the bending rod (6) and preheating the pipeline in contact with the bending rod (6); a bending assembly (8) for bending the preheated pipeline and a pressing assembly (9) for pressing and fixing the pipeline are respectively provided on the workbench (1).

2. A device for prefabricating pipeline elbows for pre-buried electrical installations in wind farms according to claim 1, characterized in that: The pipe bending assembly (8) comprises a bracket (801), the bracket (801) being fixed to the bottom of the workbench (1) and close to the pipe bending rod (6), the bracket (801) being rotatably connected to a first hydraulic rod (802), the movable end of the first hydraulic rod (802) being fixedly connected to a connecting ring (803), the connecting ring (803) being rotatably connected to a connecting plate (804), the connecting plate (804) being located below the pipe bending rod (6), the two ends of which are respectively fixedly connected to a limiting ring (805) via a connecting rod (807), the two limiting rings (805) being rotatably assembled on the fixed rod (4) and being located on both sides of the pipe bending rod (6), a bending rod (806) spanning the entire pipe bending rod (6) being fixedly connected between the two limiting rings (805), the bending rod (806) being capable of rotating around the fixed rod 4 along with the limiting ring (805) to achieve bending of the pipeline.

3. A pipeline elbow prefabrication device for pre-buried electrical construction in a wind farm according to claim 1, characterized in that: The clamping assembly (9) comprises a fixing frame (901), the fixing frame (901) being fixedly connected to the tabletop of the workbench (1), a second hydraulic rod (902) being vertically mounted on the fixing frame (901), and a pressing plate (903) being fixedly connected downwardly to the movable end of the second hydraulic rod (902) for clamping the pipeline placed on the limiting groove (5).

4. A pipeline elbow prefabrication device for pre-buried electrical construction in a wind farm according to claim 3, characterized in that: The pressing plate (903) is arranged in an arc shape to fit the pipeline surface.

5. The device for prefabricating pipeline elbows for pre-buried electrical installations in wind farms according to claim 1, characterized in that: A material stripping assembly (10) is provided on the workbench (1), and the material stripping assembly (10) comprises a third hydraulic rod (1001), the third hydraulic rod (1001) is fixedly connected to the limiting groove (5), and the movable end of the third hydraulic rod (1001) is fixedly connected to a material stripping plate (1002), and the material stripping plate (1002) slides in the limiting groove (5) under the drive of the third hydraulic rod (1001), and the bent pipeline is pushed out by the movement of the material stripping plate (1002).

6. The device for prefabricating pipeline elbows for pre-buried electrical installations in wind farms according to claim 1, characterized in that: A notch capable of accommodating a mounting ring (3) is formed on one side of the workbench (1).

7. The device for prefabricating pipeline elbows for pre-buried electrical installations in wind farms according to claim 1, characterized in that: The fixing rod (4) is located on the inner diameter of the mounting ring (3), and the bent pipe rod (6) is located in the center of the fixing rod (4).

8. The device for prefabricating pipeline elbows for pre-buried electrical installations in wind farms according to claim 1, characterized in that: The limiting groove (5) is arranged in an arc shape to fit the surface of the pipeline and is located in the center of the table top of the workbench (1).

9. The device for prefabricating pipeline elbows for pre-buried electrical installations in wind farms according to claim 1, characterized in that: The bent pipe rod (6) is a dumbbell-shaped metal heat-conducting rod with large ends and a concave middle.

10. The device for prefabricating pipeline elbows for pre-buried electrical installations in wind farms according to claim 1, characterized in that: Support legs (2) are provided at the bottom of the workbench (1).

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