Pipeline external joint grouting template

Abstract

The utility model discloses a pipeline external joint grouting formwork which comprises a formwork belt, the formwork belt is arranged outside a pipeline in a sleeved mode and covers an external joint, a grouting inlet is reserved in the position, at the top of the pipeline, of the formwork belt, and the formwork belt is fastened to the pipeline through a winding belt arranged outside the formwork belt so that no gap exists between the formwork belt and the outer wall of the pipeline. A steel wire is further arranged in the outer joint in a sleeved mode, the two ends of the steel wire penetrate out of the two sides of the grouting inlet respectively, and after penetrating out of the outer joint, the steel wire is located outside the pipeline and has the set length. According to the utility model, the novel grouting template is arranged, and a mortar pouring mode is directly adopted, so that the construction efficiency of the external joint of the pipeline is greatly improved, and meanwhile, the construction quality of the joint of the pipeline is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline construction, and more specifically, to a pipeline external joint grouting template. Background Art

[0002] During the construction of PCCP pipelines, it is necessary to grout the joints on the outside of the pipelines. Due to the influence of the structural shape, the joints are usually grouted by manual caulking. The construction space of the bottom pipeline joints is small, resulting in poor grouting quality and low work efficiency. Utility Model Content

[0003] One purpose of the utility model is to provide a pipeline external joint grouting template, which greatly improves the pipeline external joint construction efficiency and ensures the pipeline joint construction quality by setting a new grouting template and directly adopting the method of pouring mortar.

[0004] In order to solve the above technical problems, the utility model provides a pipeline external joint grouting template, including a template belt, which is sleeved outside the pipeline and covers the external seam, the template belt reserves a grouting inlet at the top of the pipeline, and the template belt is fastened to the pipeline by arranging a wrapping belt outside the template belt so that there is no gap between the template belt and the outer wall of the pipeline, thereby forming the external seam into a sealed space, and a steel wire is also sleeved inside the external seam, and its two ends respectively pass through the two sides of the grouting inlet and are located outside the pipeline with a set length after passing through.

[0005] Preferably, the template belt is a long strip structure, the length of the template belt is smaller than the outer diameter of the pipe, and after the template belt is sleeved on the pipe, a grouting inlet is just reserved between the two ends of the template.

[0006] Preferably, the length of the template belt is greater than the outer diameter of the pipe, and an opening is provided on the template belt. After the template belt is sleeved on the pipe, the two ends of the template overlap and the opening just faces the outer seam at the top of the pipe to form a grouting inlet.

[0007] Preferably, the wrapping belt is a pair of steel wire ropes, which are respectively tied to the template belts located on both sides of the outer seam so that there is no gap between the template belt and the outer wall of the pipeline.

[0008] Preferably, the end of the wire rope is tightened by a wire tensioner.

[0009] Preferably, the tensioner includes a shell, a gear and a pin arranged in the shell, the pin is rotatably arranged in the shell, the wire rope is wound around the pin, the pin is hollow inside and a gear is meshingly arranged, the gear is connected to a handle, which protrudes from the outside of the shell and drives the gear and the pin to rotate through the handle, thereby changing the length of the wire rope.

[0010] The utility model at least has the following beneficial effects:

[0011] 1. The utility model provides a new grouting template and directly adopts the method of pouring mortar, which greatly improves the construction efficiency of the pipeline external joint and ensures the construction quality of the pipeline external joint.

[0012] 2. The utility model arranges a steel wire as a vibrating tool in the outer joint, and after grouting, the mortar is vibrated by continuously pulling the steel wire, thereby achieving high-quality construction.

[0013] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view of the grouting template of the utility model;

[0015] Figure 2 It is a three-dimensional diagram of the grouting template of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the utility model tensioner.

[0017] Description of reference numerals:

[0018] 1. External seam, 2. Template tape, 3. Wrapping tape, 4. Steel wire, 5. Wire tensioner, 6. Housing, 7. Gear, 8. Pin, 9. Handle, 10. Wire rope. DETAILED DESCRIPTION

[0019] In order to better understand the purpose, structure and function of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement it according to the description.

[0020] It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] like Figure 1 and Figure 2As shown, the utility model provides a pipeline external joint grouting template, including a template belt 2, which is sleeved outside the pipeline and covers the external joint 1, the template belt 2 reserves a grouting inlet at the top of the pipeline, and the template belt 2 is fastened to the pipeline by arranging a wrapping belt 3 outside the template belt 2 so that there is no gap between the template belt 2 and the outer wall of the pipeline, thereby forming the external joint 1 into a sealed space, and a steel wire 4 is also sleeved inside the external joint 1, and its two ends respectively pass through the two sides of the grouting inlet and are located outside the pipeline with a set length after passing through, and the length can be set to be longer to facilitate subsequent vibration operations.

[0022] In another technical solution, the template strip 2 is a long strip structure, such as a plastic bag, iron sheet, etc. The length of the template strip 2 is smaller than the outer diameter of the pipe, and after the template strip 2 is put on the pipe, a grouting entrance is reserved between the two ends of the template.

[0023] Or the length of the template belt 2 is greater than the outer diameter of the pipe, and an opening is provided on the template belt 2. After the template belt 2 is sleeved on the pipe, the two ends of the template overlap and the opening just faces the outer seam 1 at the top of the pipe, thereby forming a grouting inlet. The length of the template belt 2 is flexibly set according to the actual situation on site and the materials on site.

[0024] In another technical solution, the wrapping belt 3 is a pair of steel wire ropes 10, which are respectively tied to the template belt 2 located on both sides of the outer seam 1, so that there is no gap between the template belt 2 and the outer wall of the pipeline. The ends of the steel wire ropes 10 are tightened by the tensioner 5.

[0025] like Figure 3 As shown, the tensioner 5 includes a housing 6, a gear 7 and a pin 8 disposed in the housing, the pin 8 is rotatably disposed in the housing 6, the steel wire rope 10 is wound around the pin 8, the pin 8 is hollow inside and meshingly provided with a gear 7, the gear 7 is connected to a handle 9, which protrudes outside the housing 6 and drives the gear 7 and the pin 8 to rotate through the handle 9, thereby changing the length of the steel wire rope 10. The gear is mounted on the housing through the pin, the steel wire rope is wound around the pin, and the gear and the pin are driven to rotate by the handle to change the length of the steel wire rope, thereby realizing the tensioning function.

[0026] The specific construction process of the grouting template for the pipe outer joint 1 of the present application is as follows:

[0027] (1) Place a steel wire 4 in the outer joint 1 as a vibrating tool after grouting;

[0028] (2) Make a plastic bag or iron sheet into a strip shape of 30-50 cm wide and wrap it around the outer joint 1 of the pipeline, leaving a gap of about 30 cm at the top as the grouting entrance;

[0029] (3) Use two steel wire ropes to wrap the plastic bag (or iron sheet), and use the tensioner 5 to tighten the steel wire ropes to ensure that there is no gap between the plastic bag (or iron sheet) and the outer wall of the pipe;

[0030] (4) Pour the mortar into the outer joint 1 from the grouting inlet reserved at the top, and vibrate the mortar by continuously pulling it with the embedded steel wire 4.

[0031] It can be understood that the present invention is described by some embodiments, and those skilled in the art know that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the present invention. Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation mode. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, other modifications can be easily realized. Therefore, without departing from the general concept defined by the claims and the equivalent scope, the present invention is not limited to specific details and the illustrations shown and described here.

Claims

1. A pipeline external joint grouting template, characterized in that: It includes a template belt, which is sleeved outside the pipeline and covers the outer seam. The template belt reserves a grouting inlet at the top of the pipeline. The template belt is fastened to the pipeline by arranging a wrapping belt outside the template belt so that there is no gap between the template belt and the outer wall of the pipeline, thereby forming the outer seam into a sealed space. A steel wire is also sleeved inside the outer seam, and its two ends respectively pass through the two sides of the grouting inlet and are located outside the pipeline with a set length after passing through.

2. The pipeline external joint grouting template according to claim 1, characterized in that: The template belt is a long strip structure, the length of which is smaller than the outer diameter of the pipe, and after the template belt is sleeved on the pipe, a grouting inlet is just reserved between the two ends of the template.

3. The pipeline external joint grouting template according to claim 2, characterized in that: The length of the template belt is greater than the outer diameter of the pipe, and an opening is provided on the template belt. After the template belt is sleeved on the pipe, the two ends of the template overlap and the opening just faces the outer seam at the top of the pipe to form a grouting inlet.

4. The pipeline external joint grouting template according to claim 1, characterized in that: The wrapping belt is a pair of steel wire ropes, which are respectively tied to the template belts located on both sides of the outer seam so that there is no gap between the template belt and the outer wall of the pipeline.

5. The pipeline external joint grouting template according to claim 4, characterized in that: The end of the steel wire rope is tightened by a wire tightener.

6. The pipeline external joint grouting template according to claim 5, characterized in that: The wire tensioner includes a shell, a gear and a pin shaft arranged in the shell, the pin shaft is rotatably arranged in the shell, the wire rope is wound around the pin shaft, the pin shaft is hollow inside and a gear is arranged in meshing cooperation, the gear is connected to a handle which protrudes from the outside of the shell and drives the gear and the pin shaft to rotate through the handle to change the length of the wire rope.

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