Guide frame assembly for pipeline penetrating sleeve

Abstract

The utility model discloses a guide frame assembly for a pipeline penetrating sleeve. The guide frame assembly comprises a guide body 1, a screw 2, a connecting hoop 3 and a bolt and nut 4. A plurality of connecting hoops 3 are connected and clamped on the pipeline 5 through bolts and nuts 4 at certain intervals; the guide body 1 is formed by combining a pressure-resistant plate 11, a tensile plate 12 and a connecting plate 13 into a whole, and the guide body 1 is circumferentially and evenly fixed to the connecting hoop 3 through the screws 2 according to the number of 4-6. The guide frame assembly not only can avoid contact and collision with the sleeve 6 when the pipeline 5 passes through, but also can realize forward bending of the guide body 1 at the position where the extrusion force of the pipeline 5 is too large after passing through, automatically unloads the support of the guide body 1, and prevents the pipeline 5 from being excessively extruded.

Description

Technical Field

[0001] This utility model relates to the field of buried pipeline construction technology, specifically a mechanical component used to prevent pipeline from being bumped and damaged when the pipeline passes through a casing. Background Technology

[0002] In pipeline construction, when buried pipelines need to cross pressure-bearing surfaces such as roads, a sleeve is required. The pipeline is inserted into the sleeve, and the sleeve bears the pressure to protect the pipeline inside. To prevent collisions during the pipeline's insertion into the sleeve, guide wheel supports are typically installed on the pipeline. However, when crossing long distances, ensuring coaxial alignment between the pipeline and the sleeve is difficult. This can lead to excessive pressure from the guide wheel supports at points where the distance between the pipeline and the sleeve is small, which is detrimental to pipeline safety. Summary of the Invention

[0003] To address the technical problems mentioned in the background above, this utility model provides a guide frame assembly for pipe passing through a sleeve. This assembly not only prevents the pipe from contacting and bumping against the sleeve during the passing process, but also automatically unloads the guide frame support at the position where the distance between the pipe and the sleeve is small after passing through, thus preventing the pipe from being excessively squeezed by the guide frame.

[0004] Technical solution: A guide frame assembly for pipe passing through a sleeve includes several connecting clamps clamped onto the pipe at certain intervals, and multiple sets of guide bodies fixed on the connecting clamps;

[0005] The connecting clamp is a semi-circular ring made of nylon. The inner diameter of the ring formed by the two connecting clamps is interference-fitted with the outer diameter of the pipe. The two ends of the connecting clamp are provided with outer edges and bolt holes are machined. The clamp is connected and tightened on the pipe by two sets of bolts and nuts.

[0006] The guide body is configured as a single unit consisting of a pressure-resistant plate, a tension-resistant plate, and a connecting plate, all integrally injection molded from nylon material. Four screw holes are machined on the connecting plate, which is then connected to the connecting clamp via four screws. The pressure-resistant plate and the tension-resistant plate are arranged in a T-shaped cross-section and are perpendicular to the connecting plate to maintain the distance between the pipe and the sleeve. Several slits are machined at intervals on the pressure-resistant plate, ensuring that it can only bear pressure but is easily bent during tension. The height of the guide body is less than the radial distance between the pipe and the sleeve.

[0007] Furthermore, the guide bodies are fixed to the connecting clamps in a circumferentially distributed manner, with 4 to 6 of them, depending on the pipe diameter, while avoiding the connection points between two connecting clamps; when the guide bodies are installed, the tensile plate faces the direction in which the pipe passes through the sleeve.

[0008] Furthermore, the outer right angles of the pressure plate and the tension plate of the guide body are chamfered to prevent the pipe from scraping when it moves forward or to facilitate flipping when it moves backward.

[0009] Compared with existing background technologies, the above-described at least one technical solution adopted in one or more embodiments of this specification can achieve the following beneficial effects:

[0010] First, when the pipeline advances through the sleeve, the guide body of the guide frame assembly can be supported at the inner wall of the sleeve to avoid contact and collision between the pipeline and the sleeve. Second, after the pipeline has passed through, it retreats a short distance, and the guide body at the point where the pressure between the pipeline and the sleeve is too great can bend forward, automatically unloading the support of the guide body and preventing the pipeline from being subjected to excessive pressure. Finally, the guide body has a simple structure and low manufacturing cost, and can be set in different height series. The guide body with the corresponding height size can be selected according to the radial distance between the pipeline and the sleeve, which is convenient for construction and use.

[0011] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit the present invention.

[0012] Other features and aspects of the present invention will become clear from the following detailed description of exemplary embodiments with reference to the accompanying drawings. Attached Figure Description

[0013] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the present invention and, together with the specification, serve to explain the technical solutions of the present invention.

[0014] Figure 1 This is a front view of the guide body of the guide frame assembly;

[0015] Figure 2 This is a top view of the guide body of the guide frame assembly;

[0016] Figure 3 A view of the connecting clamp of the guide frame assembly;

[0017] Figure 4 This is a front view of the guide frame assembly mounted on the pipe.

[0018] Figure 5 Left view of the guide frame assembly mounted on the pipe;

[0019] Figure 6 Left view of the pipe passing through the sleeve with the guide frame assembly installed;

[0020] Figure 7 This is a front view of the pipe equipped with the guide frame assembly passing through the sleeve from left to right;

[0021] Figure 8 This is a front view of the guide body bending and unloading after the pipe equipped with the guide frame assembly passes through the sleeve and then moves back a short distance from right to left.

[0022] In the diagram: 1. Guide body; 11. Compression plate; 101. Slit; 12. Tensile plate; 102. Chamfer; 13. Connecting plate; 103. Screw hole; 2. Screw; 3. Connecting clamp; 301. Bolt hole; 4. Bolt and nut; 5. Pipe; 6. Sleeve. Detailed Implementation

[0023] The various exemplary embodiments, features, and methods of use of this utility model will be described in detail below with reference to the accompanying drawings. The same reference numerals in the drawings denote elements with the same or similar functions. Although various aspects of the embodiments are shown in the drawings, they are not necessarily drawn to scale unless specifically indicated otherwise.

[0024] Furthermore, to better illustrate this utility model, numerous specific details are provided in the following detailed embodiments. Those skilled in the art should understand that this utility model can be implemented without certain specific details. In some instances, methods, means, and elements well-known to those skilled in the art have not been described in detail in order to highlight the main points of this utility model.

[0025] like Figures 1-8 As shown, a guide frame assembly for pipe passing through a sleeve includes a guide body 1, a screw 2, a connecting clamp 3, and a bolt and nut 4.

[0026] like Figures 3-5 As shown, there are several connecting clamps 3, which are clamped onto the pipe 5 at certain intervals; the connecting clamps 3 are semi-circular rings made of nylon, and the inner diameter of the ring formed by two connecting clamps 3 is interference-fitted with the outer diameter of the pipe 5; the two ends of the connecting clamps 3 are provided with outer edges and bolt holes 301 are machined, and they are connected and tightened onto the pipe 5 by two sets of bolts and nuts 4.

[0027] like Figure 1 , Figure 2 and Figure 4 , Figure 5As shown, guide bodies 1 are fixed to the connecting clamps 3 in a circumferential pattern of 4 to 6 units, according to the diameter of the pipe 5, avoiding the connection points of two connecting clamps 3. The guide body 1 is configured as a single unit composed of three plates: a pressure plate 11, a tension plate 12, and a connecting plate 13, and is integrally injection molded from nylon material to reduce frictional resistance. Four screw holes 103 are machined on the connecting plate 13, which is connected to the connecting clamps 3 by four screws 2. The pressure plate 11 and the tension plate 12 are configured in a T-shaped cross-section layout. The guide body 1 is perpendicular to the connecting plate 13 and is used to maintain the distance between the pipe 5 and the sleeve 6. Several slits 101 are processed at certain intervals on the pressure plate 11 so that the pressure plate 11 can only bear pressure and can be easily bent when stretched. The height of the guide body 1 is less than the radial distance between the pipe 5 and the sleeve 6, so as to separate the pipe 5 and the sleeve 6 to avoid them from contacting and bumping. The outer right angle of the pressure plate 11 and the tension plate 12 of the guide body 1 is processed into a chamfer 102 to avoid the pipe 5 from scraping when moving forward or to facilitate the flipping when moving backward.

[0028] When the guide body 1 is installed, the tension plate 12 faces the direction in which the pipe 5 passes through the sleeve 6. In this way, when the pipe 5 moves forward, the sleeve 6 generates a backward friction force on the guide body 1, causing the tension plate 12 to bear tensile force and the pressure plate 11 to bear compressive force, thus maintaining the supported state without instability. When the pipe 5 moves backward, the sleeve 6 generates a forward friction force on the guide body 1. The pressure plate 11 at the point where the extrusion pressure is too large bears tensile force and tears at the cut 101. The tension plate 12 bears the pressure and bends accordingly, causing the guide body 1 at that point to bend forward, automatically unloading the support, thereby avoiding excessive extrusion on the pipe 5.

[0029] like Figures 4-8 As shown, the specific implementation method of this utility model is as follows:

[0030] Before pipe 5 passes through sleeve 6, select multiple sets of guide bodies 1 with corresponding height dimensions according to the radial distance between pipe 5 and sleeve 6; first, connect and tighten several connecting clamps 3 at certain intervals to pipe 5 using bolts and nuts 4; then, using screws 2, fix guide bodies 1 in a circumferentially evenly distributed manner on the connecting clamps 3 according to the diameter of pipe 5, ensuring that the tensile plate 12 faces the direction in which pipe 5 passes through sleeve 6 during installation. Figure 4 and Figure 5 As shown.

[0031] During the process of pipe 5 passing through sleeve 6 by the traction device, the guide body 1 of the guide frame assembly can be supported at the inner wall of sleeve 6 to avoid contact and collision between pipe 5 and sleeve 6, such as Figure 6 and Figure 7 As shown.

[0032] After pipe 5 passes through sleeve 6, pipe 5 is pulled back a short distance. The guide body 1 at the point where the squeezing pressure between pipe 5 and sleeve 6 is too great can bend forward, automatically unloading the support of guide body 1 to avoid excessive squeezing of pipe 5.

Claims

1. A guide frame assembly for pipe passing through a sleeve, characterized in that: It includes several connecting clamps (3) clamped at a certain interval on the pipe (5), and multiple sets of guide bodies (1) fixed on the connecting clamps (3); The connecting clamp (3) is a nylon semi-circular ring. The inner diameter of the ring formed by the two connecting clamps (3) is interference-fitted with the outer diameter of the pipe (5). The two ends of the connecting clamp (3) are provided with outer edges and bolt holes (301) are machined. The clamp is connected to the pipe (5) by two sets of bolts and nuts (4). The guide body (1) is configured as a whole composed of three plates: a pressure plate (11), a tension plate (12), and a connecting plate (13), and is integrally injection molded from nylon material; four screw holes (103) are machined on the connecting plate (13), and it is connected to the connecting hoop (3) by four screws (2); the pressure plate (11) and the tension plate (12) are configured in a T-shaped cross-section layout and are perpendicular to the connecting plate (13) to maintain the distance between the pipe (5) and the sleeve (6); several slits (101) are machined at certain intervals on the pressure plate (11) so that the pressure plate (11) can only bear pressure and can be easily bent when stretched; the height of the guide body (1) is less than the radial distance between the pipe (5) and the sleeve (6).

2. The guide frame assembly for pipe passing through a sleeve according to claim 1, characterized in that: The guide body (1) is fixed on the connecting clamp (3) in a circumferentially distributed manner according to the diameter of the pipe (5), with 4 to 6 of them avoiding the connection part of two connecting clamps (3); when the guide body (1) is installed, the tensile plate (12) faces the direction in which the pipe (5) passes through the sleeve (6).

3. The guide frame assembly for pipe passing through a sleeve according to claim 2, characterized in that: The outer right angle of the pressure plate (11) and the tension plate (12) of the guide body (1) is chamfered (102) to avoid the pipe (5) scraping when it moves forward or to facilitate the pipe turning over when it moves backward.

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