Guide reaming device for pipeline engineering

Abstract

The utility model discloses a guide broaching device for pipeline engineering, which belongs to the field of pipeline engineering, and comprises a bottom plate, one side of the bottom plate is fixedly connected with two auxiliary rods, the other ends of the two auxiliary rods are fixedly connected with a top plate, the inside of the bottom plate is rotatably connected with a connecting shaft, and the connecting shaft penetrates through and extends into the top plate. The end, located on one side of the top plate, of the connecting shaft is fixedly connected with a cutting head. According to the guiding reaming device for the pipeline engineering, the reaming function and the soil supporting function are integrated, soil supporting operation does not need to be conducted independently after reaming, and therefore the operation efficiency is greatly improved, the supporting plate can be tightly attached to the inner wall of a pipeline through the design of the supporting plate, stable soil supporting is provided, soil collapse in the reaming process is effectively prevented, and the service life of the supporting plate is prolonged. The flexibility and adaptability of the supporting plate are improved through the deformation cavity in the supporting plate, the supporting plate can adapt to pipelines of different shapes and sizes, and the supporting effect is ensured.

Description

Technical Field

[0001] This utility model belongs to the field of pipeline engineering technology, and specifically relates to a guide hole expanding device for pipeline engineering. Background Technology

[0002] In pipeline engineering, especially when laying or replacing pipelines, it is often necessary to enlarge the existing pipelines so that the new pipelines can pass through smoothly. Traditional enlargement methods often rely on manual operation or simple mechanical equipment. These methods are not only inefficient, but also difficult to guarantee the quality and accuracy of the enlargement. Especially in complex or confined spaces, the application of traditional methods is greatly limited. In order to solve the above problems, some highly automated enlargement devices have emerged on the market. When enlarging short pipelines, the soil on the inner wall of the pipeline needs to be supported because the pipeline length is insufficient to prevent it from collapsing.

[0003] However, existing reaming devices need to be removed when reaming short pipes, and the soil inside the pipe needs to be supported. This is not only inefficient, but also makes it difficult to compact the soil. Therefore, this utility model provides a guiding reaming device for pipeline engineering. Utility Model Content

[0004] The purpose of this invention is to provide a guiding and expanding device for pipeline engineering to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a guide and expansion device for pipeline engineering, comprising a base plate, two auxiliary rods fixedly connected to one side of the base plate, a top plate fixedly connected to the other end of the two auxiliary rods, a connecting shaft rotatably connected inside the base plate, the connecting shaft penetrating and extending into the interior of the top plate, and a cutting head fixedly connected to the end of the connecting shaft located on one side of the top plate, and three support plates equidistantly distributed around the axis of the connecting shaft on the outside of the connecting shaft located between the top plate and the base plate.

[0006] In a preferred embodiment, a double-threaded screw is rotatably connected between the top plate and the bottom plate, and a second gear is fixedly connected to the center of the double-threaded screw.

[0007] In a preferred embodiment, a first gear is fixedly connected to the center of the connecting shaft, and the outer surface of the first gear meshes with the outer surface of the second gear. The diameter of the first gear is greater than the diameter of the second gear.

[0008] In a preferred embodiment, the connecting shaft is symmetrically slidably connected to two drive discs, each of which is slidably connected to the outside of the two auxiliary rods, and each drive disc is threadedly connected to a double-threaded screw.

[0009] In a preferred embodiment, the drive disk is triangular, with the two auxiliary rods and a double-threaded screw located inside one corner of the drive disk, and the connecting shaft located at the center of the drive disk.

[0010] In a preferred embodiment, each corner of the two drive discs is rotatably connected to a connecting rod, and the other end of each connecting rod is rotatably connected to a support plate in the corresponding direction.

[0011] In a preferred embodiment, the support plate has an arc-shaped cross-section, and a deformation cavity is formed inside the support plate.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] The guide hole-expanding device used in this pipeline project integrates hole-expanding and soil support functions into one, eliminating the need for separate soil support operations after hole-expanding, thus greatly improving work efficiency.

[0014] The guide expansion device used in this pipeline project has a support plate designed to fit tightly against the inner wall of the pipeline, providing stable soil support and effectively preventing soil collapse during the expansion process. The deformation cavity inside the support plate increases its flexibility and adaptability, enabling it to cope with pipelines of different shapes and sizes and ensuring the support effect.

[0015] The guide reaming device used in this pipeline project has a support plate that fits tightly against the inner wall of the pipeline to form a stable support structure. When the cutting head is performing reaming operations, the support plate can guide the cutting head to move in the correct direction, ensuring that it will not deviate due to soil resistance, pipeline bending or other external factors. Attached Figure Description

[0016] Figure 1 This is a front view of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the fit of the structure of this utility model;

[0018] Figure 3 This is a side view of the structure of this utility model.

[0019] In the diagram: 1. Base plate; 2. Connecting shaft; 3. Top plate; 4. Cutting head; 5. Auxiliary rod; 6. Double-threaded screw; 7. Gear No. 1; 8. Gear No. 2; 9. Drive disc; 10. Connecting rod; 11. Support plate; 1101. Deformation cavity. Detailed Implementation

[0020] The present invention will be further described below with reference to the embodiments.

[0021] The following embodiments are used to illustrate the present invention, but should not be used to limit the scope of protection of the present invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the concept of the present invention are all within the scope of protection claimed by the present invention.

[0022] Please see Figure 1-3 This utility model provides a guiding and expanding device for pipeline engineering, including a base plate 1. Two auxiliary rods 5 are fixedly connected to one side of the base plate 1, and a top plate 3 is fixedly connected to the other end of the two auxiliary rods 5. A connecting shaft 2 is rotatably connected inside the base plate 1, passing through and extending into the interior of the top plate 3. A cutting head 4 is fixedly connected to the end of the connecting shaft 2 located on one side of the top plate 3. Three support plates 11 are provided outside the connecting shaft 2 located between the top plate 3 and the base plate 1, equidistantly distributed around the axis of the connecting shaft 2. A double-threaded screw 6 is rotatably connected between the top plate 3 and the base plate 1. A second gear 8 is fixedly connected to the center of the double-threaded screw 6. A first gear 7 is fixedly connected to the center of the connecting shaft 2. The outer surface of the first gear 7 meshes with the outer surface of the second gear 8. The diameter of the first gear 7 is... The diameter of the first gear 8 is greater than that of the second gear 8. Two drive discs 9 are symmetrically slidably connected to the outside of the connecting shaft 2. Each drive disc 9 is slidably connected to the outside of the two auxiliary rods 5, and each drive disc 9 is threadedly connected to the double-threaded screw 6. During use, the cutting head 4 is driven to rotate by the connecting shaft 2, which can then perform hole enlargement. During the hole enlargement process, when the connecting shaft 2 drives the cutting head 4 to rotate, this rotation action is simultaneously transmitted to the first gear 7. Since the first gear 7 and the second gear 8 mesh with each other, and the diameter of the first gear 7 is greater than that of the second gear 8, according to the principle of gear transmission, the second gear 8 will rotate at a faster speed than the first gear 7. The rotation of the second gear 8 further drives the rotation of the double-threaded screw 6 that is fixedly connected to it.

[0023] Next, since both drive discs 9 are threadedly connected to the double-threaded screw 6 and are also slidably connected to the outside of the two auxiliary rods 5, when the double-threaded screw 6 rotates, the two drive discs 9 will make relative or opposite linear movements along the auxiliary rods 5. This movement mode ensures that the drive discs 9 can slide stably on the auxiliary rods 5 without rotation or offset. As the drive discs 9 slide, they are connected to the support plate 11 through the connecting rod 10. Therefore, the sliding motion of the drive discs 9 will be converted into the circular motion of the support plate 11. This circular motion allows the support plate 11 to gradually expand outward, closely fit and support the inner wall of the pipe. The arc-shaped design of the support plate 11 and the internal deformation cavity 1101 enhance its adaptability and stability, enabling it to better adapt to pipes of different shapes and sizes.

[0024] During the reaming operation, the rotation of the cutting head 4 and the expansion of the support plate 11 work together to achieve precise reaming of the pipe. The cutting head 4 is responsible for cutting and enlarging the hole diameter, while the support plate 11 provides the necessary support and guidance to prevent the cutting head 4 from deviating or damaging the pipe during the reaming process.

[0025] In this embodiment, the drive disk 9 is triangular, with two auxiliary rods 5 and a double-grooved screw 6 located inside one corner of the drive disk 9, and the connecting shaft 2 located at the center of the drive disk 9. Each corner of the two drive disks 9 is rotatably connected to a connecting rod 10, the other end of which is rotatably connected to a support plate 11 in the corresponding direction. The support plate 11 has an arc-shaped cross-section, and a deformation cavity 1101 is formed inside the support plate 11. The triangular design of the drive disk 9 not only enhances its structural strength but also provides better support for the connecting rods 10 and auxiliary rods 5, and the double-grooved screw 6. The layout of the screw 6 provides convenience. Two auxiliary rods 5 and a double-threaded screw 6 cleverly pass through the three corners of the drive disk 9, ensuring the stability of the drive disk 9 during sliding. Meanwhile, the connecting shaft 2 is located at the center of the drive disk 9. This central position design allows the rotation of the cutting head 4 to be smoothly transmitted to the drive disk 9. When the double-threaded screw 6 rotates, because it is threadedly connected to the drive disk 9, the drive disk 9 slides linearly along the auxiliary rods 5. This sliding is converted into the circular motion of the support plate 11 by the connecting rod 10. Specifically, each of the three corners of the drive disk 9 is rotatably connected to a connecting rod 10, and the other end of the connecting rod 10 is rotatably connected to the support plate 11 in the corresponding direction. As the drive disk 9 slides, the connecting rod 10 drives the support plate 11 to perform a circular motion around the connecting shaft 2, gradually expanding outwards. The arc-shaped design of the support plate 11 allows it to better conform to the inner wall of the pipe, providing stable support. Meanwhile, the deformation cavity 1101 inside the support plate 11 increases its flexibility and adaptability, enabling it to cope with pipes of different shapes and sizes, and ensuring that it always fits tightly against the inner wall of the pipe during the hole expansion process.

[0026] Through precise gear transmission and threaded connection design, accurate control of the cutting head 4 rotation speed and reaming speed is achieved. At the same time, the stable expansion of the support plate 11 ensures the smooth progress of the reaming process and improves the reaming accuracy. The arc-shaped design and internal deformation cavity 1101 of the support plate 11 enable it to better adapt to pipes of different shapes and sizes, providing stable support and guidance. This design not only enhances the adaptability of the device but also improves the stability of the reaming process. The entire device has a compact structure and is easy to operate. The rotation of the cutting head 4 and the expansion of the support plate 11 can be achieved through a simple rotation action, without the need for complicated operating procedures and additional auxiliary equipment.

[0027] In the above scheme, it should be noted that the hole-enlarging device of this application is used to enlarge the soil holes according to the size of the construction pipeline in pipeline engineering.

[0028] The working principle and usage process of this utility model are as follows: During use, the connecting shaft 2 drives the cutting head 4 to rotate, thereby enabling hole enlargement. During the hole enlargement process, when the connecting shaft 2 drives the cutting head 4 to rotate, this rotational action is simultaneously transmitted to the first gear 7. Since the first gear 7 and the second gear 8 mesh with each other, and the diameter of the first gear 7 is larger than the diameter of the second gear 8, according to the principle of gear transmission, the second gear 8 will rotate at a faster speed than the first gear 7. The rotation of the second gear 8 further drives the rotation of the double-threaded screw 6 fixedly connected to it. Then, since both drive discs 9 are threadedly connected to the double-threaded screw 6, and they are also slidably connected... Connected to the outside of the two auxiliary rods 5, when the double-threaded screw 6 rotates, the two drive discs 9 will move in opposite or opposite linear motions along the auxiliary rods 5. This motion mode ensures that the drive discs 9 can slide stably on the auxiliary rods 5 without rotation or displacement. As the drive discs 9 slide, they are connected to the support plate 11 through the connecting rod 10. Therefore, the sliding motion of the drive discs 9 will be converted into the circular motion of the support plate 11. This circular motion allows the support plate 11 to gradually expand outward, closely fit and support the inner wall of the pipe. The arc-shaped design of the support plate 11 and the internal deformation cavity 1101 enhance its adaptability and stability, enabling it to better adapt to pipes of different shapes and sizes.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A guiding and expanding device for pipeline engineering, comprising a base plate (1), characterized in that: Two auxiliary rods (5) are fixedly connected to one side of the base plate (1), and the other end of the two auxiliary rods (5) is fixedly connected to the top plate (3). A connecting shaft (2) is rotatably connected inside the base plate (1). The connecting shaft (2) passes through and extends into the interior of the top plate (3). A cutting head (4) is fixedly connected to the end of the connecting shaft (2) located on one side of the top plate (3). Three support plates (11) are provided on the outside of the connecting shaft (2) located between the top plate (3) and the base plate (1), which are equidistantly distributed around the axis of the connecting shaft (2).

2. A guide reaming device for plumbing according to claim 1, characterised in that: A double-grooved screw (6) is rotatably connected between the top plate (3) and the bottom plate (1), and a second gear (8) is fixedly connected at the center of the double-grooved screw (6).

3. A guide reaming device for plumbing according to claim 2, characterised in that: A first gear (7) is fixedly connected to the center of the connecting shaft (2). The outside of the first gear (7) meshes with the outside of the second gear (8). The diameter of the first gear (7) is greater than the diameter of the second gear (8).

4. A guide reaming device for plumbing according to claim 3, characterised in that: The connecting shaft (2) has two drive discs (9) symmetrically slidingly connected to its exterior. Each drive disc (9) is slidably connected to the exterior of the two auxiliary rods (5), and each drive disc (9) is threadedly connected to the double-threaded screw (6).

5. A guide reaming device for plumbing according to claim 4, characterised in that: The drive disk (9) is triangular in shape, with the two auxiliary rods (5) and a double-threaded screw (6) located inside one corner of the drive disk (9), and the connecting shaft (2) located at the center of the drive disk (9).

6. A guide reaming device for plumbing according to claim 5, characterised in that: Each of the two drive discs (9) is rotatably connected to a connecting rod (10) at each corner, and the other end of the connecting rod (10) is rotatably connected to a support plate (11) in the corresponding direction.

7. A guide reaming device for plumbing according to claim 1, characterised in that: The support plate (11) has an arc-shaped cross section, and a deformation cavity (1101) is provided inside the support plate (11).

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