Repair device for steel-plastic composite pipe orifice deflated pit

By designing a repair device for steel-plastic composite pipelines, the hydraulic cylinder drives the pushing cone and the stressed rod to make the pit at the top of the fan-shaped plate return pipe opening deflate, the problem of pit at the pipe opening of the steel-plastic composite pipeline is solved and the repair efficiency is improved.

CN222679168UActive Publication Date: 2025-03-28HANDAN ZHENGDA PIPE MFG CO LTD
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Patent Information

Application Number
CN202421423025.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-03-28
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

During the production process, steel-plastic composite pipelines often cause pit deflation in the pipe mouth due to various reasons, which seriously affects the production quality.

Method used

A steel-plastic composite pipe pipe mouth pit deflation repair device is designed, including a base, mounting frame, hydraulic cylinder, pushing cone, sleeve, limiting plate, stressed rod and fan plate. The pushing cone and stressed rod are driven by hydraulic cylinders, so that the fan plate extends outward, and the pit deflation of the pipe mouth is pushed back.

Benefits of technology

The pit deflation of steel-plastic composite pipes has been effectively repaired, significantly saving time for manual repair and improving work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel-plastic composite pipe orifice deflated pit repairing device which comprises a base and an installation frame installed on the top of the base through a lifting assembly, a first hydraulic cylinder is installed on the installation frame, the telescopic end of the first hydraulic cylinder is connected with a pushing cone, and a sleeve is arranged on the outer side of the pushing cone in a sleeved mode. A first limiting plate and a second limiting plate are connected to the outer wall of the middle position of the sleeve and the outer wall of the end, away from the mounting frame, of the sleeve correspondingly, a plurality of sets of inserting holes are formed in the portion, between the first limiting plate and the second limiting plate, of a rod body of the sleeve, stress rods are inserted into the inserting holes, and a sector plate is connected to one end of each stress rod; the part, arranged in the sleeve, of the stress rod is sleeved with a spring, and one end of the spring is fixed to the stress rod. The first hydraulic cylinder enables the pushing cone to move front and back, so that the sector plates extend outwards, pits of pipe openings are jacked back through the outer walls of the sector plates, repairing is completed, manual repairing time is greatly saved, and working efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe repair equipment, in particular to a steel-plastic composite pipe mouth pit repairing device. Background Art

[0002] Steel-plastic composite pipe is an emerging composite pipe material. According to the structure of the pipe, it is classified into: steel belt reinforced steel-plastic composite pipe, seamless steel pipe reinforced steel-plastic composite pipe, perforated steel belt steel-plastic composite pipe and wire mesh skeleton steel-plastic composite pipe.

[0003] During the production process of steel-plastic composite pipes, the pipe ends are often pitted due to various reasons, which seriously affects the production quality. Therefore, we propose a repair device that is specifically used to repair the pits and dents on the pipe ends of steel-plastic composite pipes. Utility Model Content

[0004] The utility model aims to provide a device for repairing the dents at the pipe opening of a steel-plastic composite pipe, so as to solve the above-mentioned problems.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] The utility model discloses a device for repairing pits and dents at the mouth of a steel-plastic composite pipe, comprising a base and a mounting frame installed on the top of the base through a lifting component, wherein a first hydraulic cylinder is installed on the mounting frame, and a telescopic end of the first hydraulic cylinder passes through the mounting frame and is connected to a pushing cone, a sleeve is sleeved on the outer side of the pushing cone, a first limit plate and a second limit plate are respectively connected on the outer wall at a middle position of the sleeve and on the outer wall at an end away from the mounting frame, the diameter of the first limit plate is larger than the diameter of the second limit plate, a plurality of groups of jacks are opened on the rod body of the sleeve between the first limit plate and the second limit plate, a force-bearing rod is inserted into the jack, a fan-shaped plate is connected to the end of the force-bearing rod placed outside, the fan-shaped plates in the same group are assembled into an integral circular ring plate, a spring is sleeved on the part of the force-bearing rod placed in the sleeve, and one end of the spring is fixed to the force-bearing rod.

[0007] Furthermore, the lifting assembly includes a connecting seat and a second hydraulic cylinder, the connecting seat is fixed at the bottom of the mounting frame, the bottom of the connecting seat is connected to the telescopic end of the second hydraulic cylinder, the bottom of the second hydraulic cylinder is fixed on the base, and the connecting seat moves up and down in a through hole set at the top of the base.

[0008] Furthermore, guide assemblies are provided on both sides of the second hydraulic cylinder, and the guide assemblies include a guide rod connected to the bottom of the connecting seat and a guide sleeve connected to the base, and the guide rod is inserted into the guide sleeve.

[0009] Furthermore, the same group of jacks is provided with 8 jacks.

[0010] Furthermore, one end surface of the rod body of the force-bearing rod placed in the sleeve close to the pushing cone is an inclined surface, and the end portion of the force-bearing rod placed in the sleeve is a smooth spherical surface.

[0011] Compared with the prior art, the beneficial technical effects of the utility model are:

[0012] The utility model uses a first hydraulic cylinder to move the pushing cone forward and backward so that each sector plate extends outward, and pushes back the pit of the pipe mouth through the outer wall of the sector plate to complete the repair, which greatly saves the time of manual repair and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model will be further described below in conjunction with the accompanying drawings.

[0014] Figure 1 This is a front view of the utility model of the steel-plastic composite pipe mouth pit repairing device;

[0015] Figure 2 Install the cutaway view for the sector plate;

[0016] Figure 3 Install the side view for the sector plate;

[0017] Explanation of the accompanying drawings: 1. base; 2. mounting frame; 3. first hydraulic cylinder; 4. pushing cone; 5. sleeve; 6. first limit plate; 7. second limit plate; 8. socket; 9. force rod; 10. fan-shaped plate; 11. spring; 12. connecting seat; 13. second hydraulic cylinder; 14. guide rod; 15. guide sleeve. DETAILED DESCRIPTION

[0018] like Figure 1-3 As shown, a steel-plastic composite pipe mouth dent repair device includes a base 1 and a mounting frame 2 installed on the top of the base 1 through a lifting component, the lifting component includes a connecting seat 12 and a second hydraulic cylinder 13, the connecting seat 12 is fixed to the bottom of the mounting frame 2, the bottom of the connecting seat 12 is connected to the telescopic end of the second hydraulic cylinder 13, the bottom of the second hydraulic cylinder 13 is fixed on the base 1, and the connecting seat 12 moves up and down in a through hole set on the top of the base 1.

[0019] Guide assemblies are provided on both sides of the second hydraulic cylinder 13 . The guide assemblies include a guide rod 14 connected to the bottom of the connecting seat 12 and a guide sleeve 15 connected to the base 1 . The guide rod 14 is inserted into the guide sleeve 15 .

[0020] The mounting frame 2 is provided with a first hydraulic cylinder 3, the telescopic end of the first hydraulic cylinder 3 passes through the mounting frame 2 and is connected with a pushing cone 4, a sleeve 5 is sleeved on the outer side of the pushing cone 4, a first limit plate 6 and a second limit plate 7 are respectively connected on the outer wall at the middle position of the sleeve 5 and the outer wall at one end away from the mounting frame 2, the diameter of the first limit plate 6 is larger than the diameter of the second limit plate 7, a plurality of groups of jacks 8 are provided on the rod body of the sleeve 5 between the first limit plate 6 and the second limit plate 7, and the same group of jacks 8 are provided on the rod body of the sleeve 5. There are eight sockets 8, and a force-bearing rod 9 is inserted into the socket 8. The end of the force-bearing rod 9 placed outside is connected to a sector plate 10, and the sector plates 10 of the same group are assembled into an integral circular ring plate. A spring 11 is sleeved on the part of the force-bearing rod 9 placed in the sleeve 5, and one end of the spring 11 is fixed on the force-bearing rod 9. The end face of the rod body of the force-bearing rod 9 placed in the sleeve 5 close to the pushing cone 4 is an inclined surface, and the end of the force-bearing rod 9 placed in the sleeve 5 is a smooth spherical surface.

[0021] The action process of the utility model is as follows:

[0022] When in use, the height of the sleeve 5 is adjusted by the second hydraulic cylinder 13 according to the height of the steel pipe, and then the end of the steel pipe is sleeved on the outside of the fan plate 10, and then the first hydraulic cylinder 3 is started to move the pushing cone 4 forward, and the inclined surface of the pushing cone 4 is used to push each force rod 9 outward, so that the fan plate 10 moves outward, so that the outer wall of the fan plate 10 is pressed against the concave part of the inner wall of the steel pipe, and then the first hydraulic cylinder 3 continues to work until the fan plate 10 pushes the concave part of the steel pipe mouth back to its normal state and stops, and then the first hydraulic cylinder 3 retracts with the pushing cone, and the force rod 9 is reset by the restoring force of the spring 11.

[0023] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A device for repairing dents at the mouth of a steel-plastic composite pipe, characterized in that: The utility model comprises a base (1) and a mounting frame (2) mounted on the top of the base (1) through a lifting assembly, a first hydraulic cylinder (3) being mounted on the mounting frame (2), a telescopic end of the first hydraulic cylinder (3) passing through the mounting frame (2) and connected to a pushing cone (4), a sleeve (5) being sleeved on the outer side of the pushing cone (4), a first limiting plate (6) and a second limiting plate (7) being respectively connected on the outer wall at the middle position of the sleeve (5) and on the outer wall at one end away from the mounting frame (2), the diameter of the first limiting plate (6) being larger than that of the second limiting plate (7), and a first limiting plate (6) and a second limiting plate (7) being respectively connected on the outer wall at the middle position of the sleeve (5) and on the outer wall at one end away from the mounting frame (2). The diameter of the limit plate (7) is defined by a plurality of groups of jacks (8) on the rod body of the sleeve (5) between the first limit plate (6) and the second limit plate (7), a force-bearing rod (9) is inserted into the jacks (8), one end of the force-bearing rod (9) placed outside is connected to a fan-shaped plate (10), and the fan-shaped plates (10) of the same group are assembled into an integral circular plate, a spring (11) is sleeved on the part of the force-bearing rod (9) placed inside the sleeve (5), and one end of the spring (11) is fixed to the force-bearing rod (9).

2. The device for repairing the dents at the mouth of a steel-plastic composite pipe according to claim 1 is characterized in that: The lifting assembly comprises a connecting seat (12) and a second hydraulic cylinder (13); the connecting seat (12) is fixed to the bottom of the mounting frame (2); the bottom of the connecting seat (12) is connected to the telescopic end of the second hydraulic cylinder (13); the bottom of the second hydraulic cylinder (13) is fixed to the base (1); and the connecting seat (12) moves up and down in a through hole provided at the top of the base (1).

3. The device for repairing the dents at the mouth of a steel-plastic composite pipe according to claim 2 is characterized in that: Guide assemblies are provided on both sides of the second hydraulic cylinder (13), and the guide assemblies include a guide rod (14) connected to the bottom of the connecting seat (12) and a guide sleeve (15) connected to the base (1), and the guide rod (14) is inserted into the guide sleeve (15).

4. The device for repairing the dents at the mouth of a steel-plastic composite pipe according to claim 1 is characterized in that: The same group of jacks (8) is provided with 8 in number.

5. The device for repairing dents at the mouth of a steel-plastic composite pipe according to claim 1 is characterized in that: The end surface of the rod body of the force-bearing rod (9) placed in the sleeve (5) close to the pushing cone (4) is an inclined surface, and the end portion of the force-bearing rod (9) placed in the sleeve (5) is a smooth spherical surface.