CN215396877U - Pipe expanding and flanging equipment for lining pipe - Google Patents

Pipe expanding and flanging equipment for lining pipe Download PDF

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Publication number
CN215396877U
CN215396877U CN202121211217.9U CN202121211217U CN215396877U CN 215396877 U CN215396877 U CN 215396877U CN 202121211217 U CN202121211217 U CN 202121211217U CN 215396877 U CN215396877 U CN 215396877U
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pipe
expanding
flanging
clamp
heating
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商玉梅
杨鑫
王国栋
李尚泽
马圣友
宗可峰
郭永超
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Shengli College China University of Petroleum
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Shengli College China University of Petroleum
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Abstract

The utility model provides a liner pipe expanding and flanging device which comprises a device rack, wherein an upper sliding table is slidably arranged on the device rack, and a heating device and a pipe expanding and flanging assembly are arranged on the upper sliding table. When the pipe end of the lining layer is expanded, the V-shaped conveying pipeline is used for conveying the lining layer, the pipe end of the lining layer is inserted into a heating cavity of the heating device to be heated, the upper sliding table moves to enable the pipe expanding inner clamp to align to the pipe end of the lining layer which is heated, and the driving device drives the pipe expanding inner clamp to abut against the pipe end of the lining layer to realize pipe expanding operation. If the pipe end of the inner lining layer needs to be flanged, a flanging outer clamp needs to be arranged on the pipe expanding clamp, so that the pipe end can be flanged under the action of the flanging outer clamp. The utility model can finish heating, pipe expanding and flanging of the inner liner on one device, not only can effectively save human resources, but also can improve the production efficiency and the product processing quality.

Description

Pipe expanding and flanging equipment for lining pipe
Technical Field
The utility model relates to the technical field of lining pipe processing equipment, in particular to lining pipe expanding and flanging equipment.
Background
The lining pipe is a composite pipe structure with a metal pipe (mainly a steel pipe) as a pipe framework outside and a wear-resistant, corrosion-resistant and high-temperature-resistant polymer material pipe (such as an HDPE pipe) as a lining layer.
In the production and manufacturing of the inner liner pipe, the end of the liner layer (a polymer material pipe, such as an HDPE pipe) is usually expanded or flanged. Currently, a typical pipe expanding or flanging process for the liner operates as follows: the method comprises the steps of firstly heating a pipeline by using a heating device, then transferring the pipeline to pipe expanding equipment for pipe expanding operation, and if flanging treatment is needed, carrying out secondary heating on the pipeline after pipe expanding and then carrying out flanging operation.
In the above processing operation mode, the heating device, the pipe expanding device and the flanging device are independent device devices, each step of heating, pipe expanding and flanging is independent, and cannot form a whole, so that a large amount of human resources can be wasted (at least one operator is needed for each step of operation), the production efficiency can be reduced, and the processing quality can be reduced.
SUMMERY OF THE UTILITY MODEL
Problem (A)
In summary, how to provide a lining layer processing device of lining pipe capable of providing heating, pipe expanding and flanging operations for the lining layer of the lining pipe becomes a problem to be solved by those skilled in the art.
(II) technical scheme
The utility model provides a pipe expanding and flanging device for a lining pipe, which comprises:
the equipment rack is provided with a mounting plane;
the upper sliding table is slidably arranged on the mounting plane;
the heating device is provided with a heating cavity, a heating pipe is arranged in the heating cavity, a heating window communicated with the heating cavity is formed in the side wall of the heating device, and the heating device is used for heating the pipe end of the lining pipe;
expand the pipe turn-ups assembly, expand the pipe turn-ups assembly including drive arrangement, drive arrangement is including the telescopic actuating lever, the flexible direction of actuating lever with go up the slip table and be in slip direction on the mounting surface is perpendicular, with the actuating lever is connected with anchor clamps in the expansion pipe, the rear end of anchor clamps in the expansion pipe with the actuating lever is connected the front end of anchor clamps in the expansion pipe is directional in the direction of the rear end of anchor clamps in the expansion pipe, the front end of anchor clamps in the expansion pipe is gradually enlarged formula structure, in on the anchor clamps in the expansion pipe and close to the rear end detachably of anchor clamps in the expansion pipe is provided with the outer anchor clamps of turn-ups, the outer anchor clamps of turn-ups are the loop configuration, the outer fringe orientation of the outer anchor clamps of turn-ups the front end direction of anchor clamps in the expansion pipe is crooked and is formed with the turn-ups curved surface.
Preferably, in the apparatus for expanding and flanging the inner liner pipe provided by the present invention, the inner expanding clamp includes the front end, a middle section and the rear end, the front end is in a truncated cone or cone shape, the middle section is in a cylinder structure, the rear end is in a circular tube structure, and the diameter of the middle section is greater than that of the rear end; the flanging outer clamp is sleeved on the rear end and abuts against the middle section.
Preferably, in the inside lining pipe expanding and flanging device provided by the utility model, the flanging outer clamp is abutted against the end face of the middle section and fixedly connected with the end face of the middle section through a bolt.
Preferably, in the inside lining pipe expanding and flanging device provided by the utility model, the rear end is provided with a threaded hole, and the outer side surface of the driving rod is provided with an external thread matched with the thread on the threaded hole.
Preferably, in the apparatus for expanding and flanging the inner liner pipe provided by the present invention, the heating device and the pipe expanding and flanging assembly are both fixedly disposed on the upper sliding table.
Preferably, in the inside lining pipe expanding and flanging device provided by the utility model, the driving device is a hydraulic cylinder.
Preferably, in the inside lining pipe expanding and flanging device provided by the utility model, a shearing device for cutting off the pipe is further arranged on the device frame.
Preferably, in the inside lining pipe expanding and flanging device provided by the utility model, a cooling device for cooling the pipe end of the pipe is further arranged on the device frame.
Preferably, in the inside lining pipe expanding and flanging device provided by the utility model, the upper sliding table is slidably arranged on the mounting plane; and a screw rod system is arranged on the mounting plane, and the upper sliding table can controllably slide on the mounting plane through the screw rod system.
Preferably, the equipment for expanding and flanging the lining pipe further comprises a V-shaped conveying roller way for conveying the pipe; the V-shaped conveying roller way comprises conveying rollers, two conveying rollers are taken as a group, the two conveying rollers in the same group are arranged in a V-shaped structure, and an anti-skid glue layer is arranged on the conveying rollers.
(III) advantageous effects
The utility model provides a lining pipe expanding and flanging device which comprises a device rack, wherein an upper sliding table is slidably arranged on the device rack, and a heating device and a pipe expanding and flanging assembly are arranged on the upper sliding table. When the pipe end of the lining layer is expanded, the V-shaped conveying pipeline is used for conveying the lining layer (pipe structure), the upper sliding table is controlled to move and enable the heating window of the heating device to be aligned to the pipe end of the lining layer, the pipe end of the lining layer is inserted into the heating cavity of the heating device to be heated, after a period of time, the lining layer exits, the upper sliding table moves to enable the clamp in the expanding pipe to be aligned to the pipe end of the lining layer which is heated, the driving device drives the pipe expanding clamp to offset with the pipe end of the lining layer and applies acting force to the pipe end, and therefore pipe expanding operation is achieved. If the pipe end of the inner lining layer needs to be flanged, a flanging outer clamp needs to be arranged on the pipe expanding clamp, so that the pipe end can be flanged under the action of the flanging outer clamp. The equipment for expanding and flanging the inner lining pipe can finish heating, expanding and flanging the inner lining layer on one piece of equipment, not only can effectively save manpower resources, but also can improve the production efficiency and the product processing quality.
Drawings
FIG. 1 is a schematic structural view of a pipe expanding and flanging device for an inner liner according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing the structure of a heating apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of the flanged outer clamp and the expanded pipe inner clamp assembled together according to an embodiment of the present invention.
In fig. 1 to 3, the correspondence between the part names and the reference numbers is:
an equipment frame 1, an upper sliding table 2, a heating device 3, a heating pipe 4, a driving device 5,
An inner expanding clamp 6, an outer flanging clamp 7, a shearing device 8, a screw rod 9, a nut 10, a screw rod,
The device comprises a lead screw slide block 11, a cooling device 12, a hydraulic system 13, a stepping motor 14 and a bolt 15.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, fig. 1 is a schematic structural view of a liner expanding and flanging device according to an embodiment of the present invention; FIG. 2 is a schematic diagram showing the structure of a heating apparatus according to an embodiment of the present invention; FIG. 3 is a schematic structural view of the flanged outer clamp and the expanded pipe inner clamp assembled together according to an embodiment of the present invention.
The utility model provides a pipe expanding and flanging device for a lining pipe, which is used for expanding and flanging the lining pipe, and particularly used for expanding and flanging the pipe end of a lining layer (a high polymer material pipe) of the lining pipe.
In the utility model, the inner lining pipe expanding and flanging device comprises the following components:
1. equipment rack 1
The equipment frame 1 is a main structure of the pipe expanding and flanging equipment for the inner lining pipe, and has the function of installing other parts, so that the equipment frame 1 has higher structural strength to ensure the firm installation of other parts.
In one embodiment of the present invention, the equipment rack 1 is formed by welding angle steels, and a metal flat plate is disposed on the top surface of the equipment rack 1 as a mounting plane.
Furthermore, the bottom of the equipment rack 1 can be provided with support legs which can be of a lifting structure and can also be pulley assemblies. When the support legs are designed by adopting a pulley assembly structure, the utility model also needs to be provided with a brake structure and a stable supporting structure (such as the support legs hinged on the equipment frame 1).
2. Upper sliding table 2
The upper sliding table 2 is slidably disposed on the mounting plane, and the upper sliding table 2 is a component for mounting the heating device 3 and the pipe expanding and flanging assembly in the utility model.
In one embodiment of the present invention, the installation plane is a rectangular plane structure, and the upper sliding table 2 can slide on the installation plane along the long side direction of the installation plane.
Specifically, the upper sliding table 2 includes a stainless steel frame, and metal plates are disposed on upper and lower side surfaces of the stainless steel frame.
Specifically, the utility model is provided with a slide rail on the installation plane, and the bottom surface of the upper sliding table 2 is provided with a pulley matched with the slide rail, and meanwhile, the utility model also provides a sliding driving system for driving the upper sliding table 2 to slide, and the sliding driving system can control the upper sliding table 2 to perform sliding positioning on the installation plane with high precision.
In an embodiment of the present invention, the sliding driving system is a screw system, the screw system is installed on the installation plane, and the upper sliding platform 2 can controllably slide on the installation plane through the screw system, where the controllable sliding means that the screw system can be controlled, and the sliding position of the upper sliding platform 2 is controlled by controlling the screw system. Specifically, the lead screw system includes a lead screw 9, the lead screw 9 is mounted on the mounting plane through a thrust bearing, a lead screw driving device (an electric motor, preferably a stepping motor 14, or a servo motor) is dynamically connected with the lead screw 9 through a coupler, the lead screw driving device is fixedly arranged on the mounting plane, a lead screw slider 11 is arranged on the lead screw 9, and the lead screw slider 11 is fixedly connected with the upper slide table 2. The screw rod slider 11 is provided with a nut 10 in threaded fit with the screw rod 9, the screw rod 9 is driven by the screw rod driving device to rotate forwards or reversely, the nut 10 can convert the rotation motion of the screw rod 9 into the linear motion of the nut and drive the screw rod slider 11 to move forwards or backwards along the screw rod 9.
Certainly, the sliding driving system can also be a chain wheel transmission system, a chain wheel is respectively arranged at the sliding limit position of the upper sliding table 2, chains are arranged on the two chain wheels, the chain wheels are driven by the stepping motor 14 to rotate so as to drive the chains to operate, and the upper sliding table 2 is linked with the mounting chains and can be driven by the chains to slide.
3. Heating device 3
The heating device 3 is a device for heating the pipe end of the lining layer (polymer material pipe) in the present invention.
Specifically, heating device 3 has the heating chamber, and the heating chamber is a long straight round hole cavity structure, is provided with heating pipe 4 in the heating intracavity, and heating pipe 4 sets up and equidistant setting on the medial surface in the heating chamber along the depth direction in heating chamber, can carry out even and quick heating to the lining layer in placing the heating intracavity like this.
The side wall of the heating device 3 is provided with a heating window communicated with the heating cavity, the pipe end of the lining layer can enter the heating cavity through the heating window, and the heating device 3 is used for heating the pipe end of the lining pipe.
4. Pipe expanding and flanging assembly
The pipe expanding and flanging assembly comprises a driving device 5, the driving device 5 comprises a telescopic driving rod, and the driving device 5 is used for driving the pipe expanding clamp 6 to operate and applying acting force to the pipe end of the lining layer so as to achieve the purpose of pipe expanding or flanging, so that the driving device 5 can provide enough thrust. In one embodiment of the utility model, the drive means 5 is a hydraulic cylinder and the drive rod is a hydraulic cylinder rod.
The flexible direction of actuating lever is perpendicular with the slip direction of last slip table 2 on mounting surface, be connected with expand tube inside clamp 6 with the actuating lever, the rear end and the actuating lever of expand tube inside clamp 6 are connected, in the direction of the directional rear end of expand tube inside clamp 6 of the front end of expand tube inside clamp 6, the front end of expand tube inside clamp 6 is the formula structure that expands gradually, the rear end detachably that is close to expand tube inside clamp 6 on expand tube inside clamp 6 is provided with turn-ups outer clamp 7, turn-ups outer clamp 7 is the loop configuration, turn-ups outer clamp 7 is used for the cover to establish on expand tube inside clamp 6, the outer fringe of turn-ups outer clamp 7 is towards the front end direction bending of expand tube inside clamp 6 and is formed with the turn-ups curved surface.
Specifically, the inner expanding clamp 6 includes a front end, a middle section and a rear end, the front end is in a truncated cone shape or a conical structure, the middle section is in a cylindrical structure, the rear end is in a circular tube structure, and the diameter of the middle section is larger than that of the rear end. The rear end is provided with the screw hole, and the lateral surface of actuating lever is provided with the external screw thread with the screw thread adaptation on the screw hole.
Specifically, the flanging outer clamp 7 is sleeved on the rear end and abuts against the middle section; the flanging outer clamp 7 is abutted against the end face of the middle section and is fixedly connected with the end face of the middle section through a bolt 15.
In the utility model, the inner expanding clamp 6 and the outer flanging clamp 7 are made of materials which are wear-resistant, high-temperature-resistant and have certain structural strength, such as stainless steel, and the inner expanding clamp 6 and the outer flanging clamp 7 are designed in an integrated structure.
Further, the outer edge of the front end face of the inner expanding clamp 6 is subjected to rounding treatment, so that the inner expanding clamp 6 can be prevented from scratching the lining layer.
5. Auxiliary assembly
The auxiliary assembly comprises a shearing device 8 arranged on the equipment frame 1 and used for cutting off the pipe, a cooling device arranged on the equipment frame 1 and used for cooling the pipe end of the pipe, and a hydraulic system 13. The shearing device 8 is used for cutting off the lining layer, a protective cover is arranged on the equipment frame 1, a cutting space is formed by the protective cover, and the lining layer is cut in the protective cover by the shearing device 8. The hydraulic system 13 is connected to the drive 5 for supplying hydraulic oil to the drive 5. The cooling device 12 comprises a fan, an air pipe is connected with the fan, and the position of an air outlet of the air pipe can be adjusted at will.
6. V-shaped conveying roller way
The V-shaped conveying roller way is used for conveying the pipes. The V-shaped conveying roller way comprises conveying rollers, two conveying rollers form a group, two conveying rollers in the same group are arranged in a V-shaped structure, the V-shaped conveying roller way is provided with a plurality of groups of conveying rollers, the groups of conveying rollers are arranged in a straight line (the straight line is vertical to the sliding direction of the upper sliding table 2), and an anti-skidding glue layer is arranged on the conveying rollers.
Heating device 3's effect makes HDPE pipe (inner liner) soften to reduce the yield strength of inner liner material, reduce the effort that makes the inner liner deformation provide, and can make the turn-ups operation more convenient and quick, increase turn-ups success rate and quality. The heating device 3 is composed of a box cover, a box body, a u-shaped heating pipe 4, a temperature induction head and the like, and the temperature should be controlled to be about 200 ℃ during heating.
After the inner lining pipe is heated by the heating device 3, the ball screw 9 drives the upper sliding table 2 to move, so that a flanging die (a structure formed by assembling the inner expanding clamp 6 and the outer flanging clamp 7) fixed on the inner lining pipe is aligned to the inner lining pipe, then the driving device 5 drives the flanging die to perform feeding motion, and the softened HDPE pipe (the inner lining layer) is subjected to reaming and punch forming. After the HDPE pipe (lining layer) is formed, the flanging die is driven by the driving device 5 to be withdrawn, and the punch forming is completed.
The cooling device 12 comprises a centrifugal blower, when the flanging die finishes flanging work and is about to withdraw from, the blower is started to enable the inner liner to be softened and molded, the flanging die completing the flanging task can be successfully withdrawn, meanwhile, the inner liner cannot damage the completed flanging form, and then the blower continues to work to accelerate cooling of the workpiece. And then stopping working, and finishing the flanging process.
The utility model provides a lining pipe expanding and flanging device which comprises a device rack 1, wherein an upper sliding table 2 is slidably arranged on the device rack 1, and a heating device 3 and a pipe expanding and flanging assembly are arranged on the upper sliding table 2. When the pipe end of lining carries out the expand tube operation, use V type conveying pipeline to carry inner liner (tube structure), slide 2 removes and make heating device 3's heating window aim at the pipe end of inner liner in the control simultaneously, the pipe end of inner liner heats in inserting heating device 3's the heating chamber, a period of time back, the inner liner withdraws from, slide 2 removes and makes expand the pipe end of intraductal anchor clamps 6 alignment completion heating inner liner, thereby it offsets and exerts the effort to the pipe end and realizes the expand tube operation to the pipe end of intraductal anchor clamps 6 of expanding by drive arrangement 5 drive and inner liner. If the pipe end of the inner lining layer needs to be flanged, a flanging outer clamp 7 needs to be arranged on the pipe expanding inner clamp 6, so that the pipe end can be flanged under the action of the flanging outer clamp 7. The equipment for expanding and flanging the inner lining pipe can finish heating, expanding and flanging the inner lining layer on one piece of equipment, not only can effectively save manpower resources, but also can improve the production efficiency and the product processing quality.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. The utility model provides a inside lining pipe expand pipe turn-ups equipment which characterized in that includes:
the equipment rack (1) is provided with a mounting plane;
the upper sliding table (2) is slidably arranged on the mounting plane;
the heating device (3) is provided with a heating cavity, a heating pipe (4) is arranged in the heating cavity, a heating window communicated with the heating cavity is formed in the side wall of the heating device, and the heating device is used for heating the pipe end of the lining pipe;
the pipe expanding flanging assembly comprises a driving device (5) which comprises a telescopic driving rod, the telescopic direction of the driving rod is vertical to the sliding direction of the upper sliding table on the mounting plane, an inner expanding clamp (6) is connected with the driving rod, the rear end of the inner expanding clamp is connected with the driving rod, the front end of the inner expanding clamp is of a gradually expanding structure in the direction that the front end of the inner expanding clamp points to the rear end of the inner expanding clamp, a flanging outer clamp (7) is detachably arranged on the inner expanding clamp and close to the rear end of the inner expanding clamp, the flanging outer clamp is of an annular structure and is used for being sleeved on the expanding inner clamp, the outer edge of the flanging outer clamp is bent towards the front end direction of the pipe expanding inner clamp and forms a flanging curved surface.
2. The liner tube expanding and flanging device as claimed in claim 1,
the pipe expanding inner clamp comprises a front end, a middle section and a rear end, wherein the front end is of a truncated cone or conical structure, the middle section is of a cylindrical structure, the rear end is of a circular pipe structure, and the diameter of the middle section is larger than that of the rear end;
the flanging outer clamp is sleeved on the rear end and abuts against the middle section.
3. The liner tube expanding and flanging device as claimed in claim 2,
and the flanging outer clamp is abutted against the end surface of the middle section and is fixedly connected with the end surface of the middle section through a bolt.
4. The liner tube expanding and flanging device as claimed in claim 2,
the rear end is provided with a threaded hole, and the outer side surface of the driving rod is provided with an external thread matched with the thread on the threaded hole.
5. The liner tube expanding and flanging device as claimed in claim 2,
the heating device and the pipe expanding and flanging assembly are fixedly arranged on the upper sliding table.
6. The liner tube expanding and flanging device as claimed in claim 1,
the driving device is a hydraulic cylinder.
7. The liner tube expanding and flanging device as claimed in claim 1,
and a shearing device (8) for cutting off the pipe is also arranged on the equipment rack.
8. The liner tube expanding and flanging device as claimed in claim 1,
and a cooling device for cooling the pipe end of the pipe is also arranged on the equipment rack.
9. The inside lining pipe expanding and flanging device according to any one of claims 1 to 8,
the upper sliding table is slidably arranged on the mounting plane;
and a screw rod system is arranged on the mounting plane, and the upper sliding table can controllably slide on the mounting plane through the screw rod system.
10. The liner tube expanding and flanging device as claimed in claim 1,
the device also comprises a V-shaped conveying roller way for conveying the pipe;
the V-shaped conveying roller way comprises conveying rollers, two conveying rollers are taken as a group, the two conveying rollers in the same group are arranged in a V-shaped structure, and an anti-skid glue layer is arranged on the conveying rollers.
CN202121211217.9U 2021-06-01 2021-06-01 Pipe expanding and flanging equipment for lining pipe Active CN215396877U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121211217.9U CN215396877U (en) 2021-06-01 2021-06-01 Pipe expanding and flanging equipment for lining pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121211217.9U CN215396877U (en) 2021-06-01 2021-06-01 Pipe expanding and flanging equipment for lining pipe

Publications (1)

Publication Number Publication Date
CN215396877U true CN215396877U (en) 2022-01-04

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ID=79678288

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121211217.9U Active CN215396877U (en) 2021-06-01 2021-06-01 Pipe expanding and flanging equipment for lining pipe

Country Status (1)

Country Link
CN (1) CN215396877U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115230138A (en) * 2022-09-23 2022-10-25 胜利油田金达石油技术有限公司 Lining pipe flanging sealing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115230138A (en) * 2022-09-23 2022-10-25 胜利油田金达石油技术有限公司 Lining pipe flanging sealing machine

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