CN211192800U

CN211192800U - Pipeline inner pipe dragging device

Info

Publication number: CN211192800U
Application number: CN201921932344.0U
Authority: CN
Inventors: 杨骏
Original assignee: Shanghai Sunhe Electromechanical Equipment Installation Co ltd
Current assignee: Shanghai Sunhe Electromechanical Equipment Installation Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-08-07
Anticipated expiration: 2029-11-07

Abstract

The utility model relates to the technical field of mechanical equipment, and discloses a pipeline inner pipe dragging device which comprises a frame, its dilatory double-layer pipeline includes inboard pipe and outside pipe, the one end fixedly connected with of frame bears double-layer pipeline's supporting component, the other end fixedly connected with drive arrangement of frame and the electronic box of being connected with the drive arrangement electricity, the drive arrangement drive is connected with the screw thread axle, threaded connection has inner tube drive assembly on the screw thread axle, the inside fixedly connected with of frame is located the slide rail of screw thread axle both sides, inner tube drive assembly slides and connects on the slide rail, it is connected with the pipe clamp assembly to slide on the slide rail, lie in the fixedly connected with stopper between clamp assembly and the inner tube drive assembly on the slide rail, pipe clamp assembly is located one side that inner tube drive assembly kept away from drive arrangement, the utility model discloses have the effect that improves inboard pipe.

Description

Pipeline inner pipe dragging device

Technical Field

The utility model belongs to the technical field of mechanical equipment technique and specifically relates to a pipeline inner tube dragging device is related to.

Background

In industrial production, pipelines for transporting lubricating oil are mostly double-layer pipelines. During long-term use, the inner pipe needs to be cleaned or replaced due to corrosion of the oil stain on the inner pipe, so that the inner pipe needs to be drawn out of the outer pipe.

The current extraction mode is through artifical mode extraction, and at the in-process of extraction, the direction can't be accurately grasped, and inboard pipe can produce angular deviation with the outside pipe, and after inboard pipe produced angular deviation with the outside pipe, the outer wall of inboard pipe can produce sliding friction with the inner wall of outside pipe, increases the extraction degree of difficulty of inboard pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipeline inner tube dragging device that stability is taken out from to inboard pipe is improved to the not enough of prior art existence.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

The utility model provides a pipeline inner tube dragging device, includes the frame, its dilatory double-deck pipeline includes inboard pipe and outside pipe, the one end fixedly connected with of frame bears double-deck pipeline's supporting component, the other end fixedly connected with drive arrangement of frame and with the electronic box that the drive arrangement electricity is connected, the drive arrangement drive is connected with the screw thread axle, threaded connection has inner tube drive assembly on the screw thread axle, the inside fixedly connected with of frame is located the slide rail of screw thread axle both sides, inner tube drive assembly slide to connect in on the slide rail, slide and connect with the pipe clamping assembly on the slide rail, lie in on the slide rail pipe the pipe clamping assembly with fixedly connected with stopper between the inner tube drive assembly, the pipe clamping assembly is located the inner tube drive assembly is kept away from one side of drive arrangement.

By adopting the technical scheme, the double-layer pipeline is arranged on the supporting component, the double-layer pipeline is clamped in the pipeline clamping component, the position of the pipeline clamping component is adjusted, the double-layer pipeline is abutted against one side of the inner pipe driving component, the inner pipe is fixed on the inner pipe driving component, part of the inner pipe is drawn away from the outer pipe by the inner pipe driving component, the inner pipe driving component stops working after the inner pipe reaches the limit drawing-away position, the driving device drives the threaded shaft to rotate, the threaded shaft drives the inner pipe driving component to slide on the sliding rail towards the direction away from the outer pipe, the pipeline clamping component reaches the position of the limit block on the sliding rail, the inner pipe driving component drives the inner pipe to continue to be drawn away from the outer pipe, the electric box provides power for the driving device and the inner pipe driving component, the inner pipe is drawn away from the outer pipe by the inner pipe driving component part, and the inner pipe is fixed on the inner pipe, the angle of the inner side pipe is limited, and then the driving assembly with large power drives the inner pipe driving assembly to move so as to drive the inner side pipe to be drawn out of the outer side pipe.

The utility model discloses further set up to: the supporting component comprises a plurality of supporting plates and a connecting rod which is connected with the supporting plates and the rack, wherein the supporting plates correspond to the positions where the double-layer pipelines are placed and are set to be arc-shaped abutting surfaces.

Through adopting above-mentioned technical scheme, connecting rod joint support board and frame have increased the stability of backup pad, and the arc butt face has increased the area of contact of support piece and outside pipe for its lateral wall of butt outside pipe better.

The utility model discloses further set up to: the pipeline clamping assembly comprises at least one clamping table, the clamping table is close to one side of the sliding rail and fixedly connected with a supporting piece, the supporting piece is rotatably connected with a pulley, and the pulley is connected to the sliding rail in a sliding mode.

Through adopting above-mentioned technical scheme, press from both sides tight platform and pass through the pulley on the support piece for it can slide on the slide rail, is used for adjusting the position that presss from both sides tight subassembly for inner tube drive assembly, thereby adjusts the position of outside pipe in the frame, and at least one presss from both sides tight platform and can press from both sides tight to a plurality of positions of outside pipe, improves the stability of pressing from both sides tight outside pipe.

The utility model discloses further set up to: the clamping table is far away from the two ends of the supporting piece are rotatably connected with clamping plates, the clamping plates are far away from end portions of the clamping table, fixedly connected with extending portions are fixedly connected with the extending portions, the extending portions are connected through rotation to air cylinders on the clamping table in a driving mode, and the extending portions are rotatably connected with the air cylinders.

Through adopting above-mentioned technical scheme, the outside pipe is placed on the grip block, and the cylinder promotes the extension and upwards rotates to press from both sides tightly the outside pipe, the extension promotes the grip block for the cylinder and provides more stable impetus.

The utility model discloses further set up to: the inner tube drive assembly comprises a workbench, the workbench is close to one side of the threaded shaft and is fixedly connected with a sliding block, the sliding block is in threaded connection with the threaded shaft, and the two sides of the sliding block correspond to the sliding rail and are rotatably connected with pulleys.

Through adopting above-mentioned technical scheme, the sliding block slides through the pulley of both sides and connects on the slide rail, and when the threaded rod rotated, the sliding block removed along the axial direction of threaded rod.

The utility model discloses further set up to: the utility model discloses a screw thread axle, including screw thread axle, workstation, fixedly connected with support frame, fixedly connected with inner tube driving piece on the support frame, inner tube driving piece drive connection has the edge screw rod is drawn to screw thread axle length direction, it is close to draw the screw rod one side fixedly connected with mounting of backup pad, inboard union coupling is in on the mounting.

Through adopting above-mentioned technical scheme, the screw rod is drawn in inner tube driving piece drive towards the direction of keeping away from the outside pipe and removes, and the mounting drives inboard pipe and breaks away from the outside pipe.

The utility model discloses further set up to: and a guide piece is fixedly connected to one side, close to the pipeline clamping assembly, of the inner pipe driving piece on the workbench.

Through adopting above-mentioned technical scheme, the guide plays the guide and rectifies the effect of inboard pipe direction, prevents that it from producing the skew by the in-process that drive arrangement pulled out.

The utility model discloses further set up to: the worktable is fixedly connected with a control box, the control box is electrically connected with an alarm, and the control box is electrically connected with the electric box.

By adopting the technical scheme, the electric cabinet performs on-off control on the driving device and the inner tube driving piece.

To sum up, the utility model discloses a beneficial technological effect does:

1. The double-layer pipeline is placed on the supporting assembly, the clamping assembly also clamps the double-layer pipeline to enable the pipeline clamping assembly to move on the sliding rail, the double-layer pipeline abuts against one side of the inner pipe driving assembly, the inner pipe is fixed on the inner pipe driving assembly, the outer pipe is firstly pulled out of the inner pipe driving assembly through the inner pipe driving assembly, the inner pipe stops the operation of the inner pipe driving assembly after reaching the maximum pulling-out position, and the inner pipe is fixed on the inner pipe driving assembly to limit the pulling-out angle of the inner pipe; at the moment, the driving device is started to drive the threaded shaft to rotate, the threaded shaft drives the inner pipe driving assembly to slide on the sliding rail in the direction away from the outer pipe, the pipeline clamping assembly reaches the position of the limiting block on the sliding rail and stops moving forwards continuously, the inner pipe driving assembly drives the inner pipe to be continuously drawn out of the outer pipe, and the electric box provides a power supply for the driving device and the inner pipe driving assembly;

2. The clamping tables move on the sliding rails through the supporting pulleys, so that the position of the clamping assembly on the rack can be conveniently adjusted, the position of the outer side pipe arranged on the clamping tables relative to the inner pipe driving assembly can be adjusted, and at least one clamping table can clamp a plurality of positions of the outer side pipe, so that the fixing stability of the outer side pipe is improved;

3. The inner tube drive assembly moves on the sliding rail through the pulleys on the two sides of the sliding block, and when the drive assembly drives the threaded rod to rotate, the inner tube drive assembly moves along the axial direction of the threaded rod, so that the inner side tube is driven to move.

Drawings

FIG. 1 is a schematic view of the entire structure of the embodiment;

FIG. 2 is a schematic structural diagram for showing a double-layer pipeline according to an embodiment;

FIG. 3 is a schematic structural diagram showing a support assembly, an inner tube drive assembly and a pipe clamp assembly according to an embodiment;

FIG. 4 is an enlarged view of portion A of FIG. 3;

Fig. 5 is an enlarged schematic view of part B of fig. 3.

Reference numerals: 1. a frame; 2. a double-layer pipeline; 21. an inner tube; 22. an outer tube; 3. a support assembly; 31. a support plate; 311. an arc-shaped abutting surface; 32. a connecting rod; 4. a drive device; 5. an electric box; 6. a threaded shaft; 7. an inner tube drive assembly; 71. a work table; 72. a support frame; 73. an inner tube driving member; 731. a traction screw; 732. a fixing member; 733. a transmission assembly; 74. a guide member; 741. a support plate; 742. a guide plate; 75. a control box; 76. an alarm; 77. a sliding block; 8. a slide rail; 81. a limiting block; 82. a pulley; 9. a pipe clamping assembly; 91. a clamping table; 911. a clamping plate; 912. an extension portion; 913. a cylinder; 92. and a support member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a pipeline inner pipe dragging device disclosed by the present invention comprises a rectangular frame 1. The double-walled cylindrical pipe 2 pulled by the tractor includes a cylindrical outer pipe 22 and a cylindrical inner pipe 21 disposed on the outer pipe 22.

Referring to fig. 1 and 3, a support assembly 3 for supporting the double-layered pipeline 2 is welded to one end of the frame 1, and the support assembly 3 is composed of a plurality of square support plates 31. A plurality of backup pads 31 are welded with the one end of frame 1 through three cylindrical connecting rod 32, and the position that backup pad 31 corresponds the pipeline and places is opened and is set up arc butt face 311 into the lateral wall arc limit of adaptation outside pipe 22. The arc-shaped abutment surface 311 increases the contact area of the support 92 with the outer tube 22, and increases the stability of the support 92 in bearing the outer tube 22.

The other end of the frame 1 is provided with a driving device 4 and an electric box 5 electrically connected with the driving device 4. The driving device 4 is a motor, and the motor is powered by an electric box 5. The driving device 4 is connected with a threaded shaft 6 along the length direction of the frame 1 through a flange plate in a driving mode, and the other end of the threaded shaft 6 is rotatably connected with the frame 1 through a bearing. The threaded shaft 6 is in threaded connection with an inner tube driving assembly 7. The inside welding of frame 1 has the slide rail 8 that is located the both sides of screw shaft 6 and is on a parallel with screw shaft 6 axial. The sliding rail 8 is connected with a pipeline clamping assembly 9 and an inner pipe driving assembly 7 in a sliding mode, and a square limiting block 81 located between the pipeline clamping assembly 9 and the inner pipe driving assembly 7 is welded on the sliding rail 8 to limit the maximum sliding position of the pipeline clamping assembly 9. The pipe gripping assembly 9 is located on the side of the inner pipe drive assembly 7 remote from the drive means 4.

Referring to fig. 4, the inner pipe driving assembly 7 includes a horizontally disposed square plate-shaped table 71, and a rectangular parallelepiped sliding block 77 perpendicular to the surface of the table 71 is welded to a side of the table 71 close to the screw shaft 6. The sliding block 77 is in threaded connection with the threaded shaft 6, and pulleys 82 are mounted on two sides of the sliding block 77 corresponding to the slide rail 8. A frustum-shaped supporting frame 72 perpendicular to the surface of the workbench 71 is welded on one side of the workbench 71 away from the threaded shaft 6, an inner pipe driving piece 73 is mounted on the supporting frame 72 through a flange, and the inner pipe driving piece 73 is a motor. The inner tube driving member 73 is connected with a pulling screw 731 along the length direction of the threaded shaft 6 by a driving assembly 733. The transmission assembly 733 includes a housing and a helical gear driven by an inner tube driving member 73 disposed in the housing, and is engaged with a sleeve having helical gear on the outer side, the sleeve is in threaded connection with the traction screw 731, and the sleeve is rotatably connected to the inner wall of the housing adapted thereto. A fixing member 732 is welded to a side of the traction screw 731 adjacent to the support plate 31, the inner tube 21 is connected to the fixing member 732 by a rope, and the fixing member 732 is a flange. A guide 74 is welded to the side of the table 71 adjacent the pipe gripping assembly 9. The guide 74 includes a supporting plate 741 parallel to the table 71, and guide plates 742 perpendicular to the table 71 and the supporting plate 741 are welded to both sides of the supporting plate 741, and a distance between the two guide plates 742 is adapted to an outer diameter of the inner tube 21. A control box 75 is installed on one side of the upper surface of the workbench 71, an alarm 76 is electrically connected to the control box 75 and used for giving a fault alarm, and the control box 75 is electrically connected with the electric box 5 through a lead.

Referring to fig. 5, the pipe gripping assembly 9 includes at least one, and preferably two, gripping stations 91. The clamping table 91 is a rectangular plate parallel to the table 71, and its longitudinal direction is perpendicular to the axial direction of the screw shaft 6. One side of the clamping table 91 close to the slide rail 8 is welded with two rectangular supporting pieces 92 which are symmetrically distributed and perpendicular to the clamping table 91, the supporting pieces 92 are provided with pulleys 82 corresponding to the slide rail 8, and the pulleys 82 are connected to the slide rail 8 in a sliding manner. Two ends of the clamping table 91, which are far away from the supporting piece 92, are hinged with a clamping plate 911 which is rectangular as a whole, and a square extension 912 is integrally formed at the end of the clamping plate 911, which is far away from the supporting table. The angle formed between the extension 912 and the clamping plate 911 is an obtuse angle, one side of the extension 912 close to the clamping platform 91 is hinged with an air cylinder 913, the air cylinder 913 drives the extension 912 to rotate, so that the clamping plate 911 clamps the outer pipe 22, and the extension 912 provides a stable acting point for the air cylinder 913 to push the clamping plate 911.

The implementation principle of the embodiment is as follows:

The double pipe 2 is placed on the support assembly 3 and the pipe clamp assembly 9 and the cylinder 913 is activated to clamp the outer pipe 22. The two clamping stages 91 can clamp a plurality of positions of the outer tube 22, improving the stability of clamping the outer tube 22. The position of the tube gripping assembly 9 is adjusted so that the end of the outer tube 22 abuts the side of the inner tube drive assembly 7. At this time, the inner tube 21 is fixed to the fixing member 732 by a rope, and the inner tube driving unit 7 is started. The inner tube 21 is first drawn by the inner tube driving unit 7 to separate from the outer tube 22, and the inner tube 21 is slid on the guide 74 to correct the angle. After the traction screw 731 reaches the maximum position, the inner tube driving assembly 7 stops operating. At this time, the driving device 4 is started, the driving device 4 drives the threaded shaft 6 to rotate, and the threaded shaft 6 drives the inner tube driving assembly 7 to slide on the slide rail 8 in a direction away from the outer tube 22. The pipe clamping assembly 9 reaches the position of the limiting block 81, the pipe clamping assembly stops continuing to move forwards, and the inner pipe driving assembly 7 drives the inner pipe 21 to continuously draw outwards and separate from the outer pipe 22. The electronic box 5 provides power for the driving device 4 and the inner tube driving assembly 7, the inner tube 21 is partially drawn out of the outer tube 22 through the inner tube driving assembly 7, the inner tube 21 is fixed on the inner tube driving assembly 7 to limit the angle of the inner tube 21, and then the inner tube driving assembly 7 is driven by the driving assembly with high power to move to drive the inner tube 21 to be drawn out of the outer tube 22.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a pipeline inner tube dragging device, includes frame (1), and double-deck pipeline (2) that its was dragged include inside pipe (21) and outside pipe (22), its characterized in that: the one end fixedly connected with of frame (1) bears supporting component (3) of double-deck pipeline (2), the other end fixedly connected with drive arrangement (4) of frame (1) and with electronic box (5) that drive arrangement (4) electricity is connected, drive arrangement (4) drive is connected with screw shaft (6), threaded connection has inner tube drive assembly (7) on screw shaft (6), the inside fixedly connected with of frame (1) is located slide rail (8) of screw shaft (6) both sides, inner tube drive assembly (7) slide and connect in on slide rail (8), it is connected with pipe clamp subassembly (9) to slide on slide rail (8), lie in on slide rail (8) pipe clamp subassembly (9) with fixedly connected with stopper (81) between inner tube drive assembly (7), pipe clamp subassembly (9) are located inner tube drive assembly (7) are kept away from drive arrangement (4)'s supporting component (3) One side.

2. The pipeline inner conduit pulling apparatus of claim 1, wherein: the supporting component (3) comprises a plurality of supporting plates (31) and a connecting rod (32) which is connected with the supporting plates (31) and the rack (1), wherein the supporting plates (31) are arranged at positions corresponding to the double-layer pipelines (2) to form arc-shaped abutting surfaces (311).

3. The pipeline inner conduit pulling apparatus of claim 1, wherein: the pipeline clamping assembly (9) comprises at least one clamping table (91), the clamping table (91) is close to one side of the sliding rail (8) and is fixedly connected with a supporting piece (92), the supporting piece (92) is rotatably connected with a pulley (82), and the pulley (82) is connected to the sliding rail (8) in a sliding mode.

4. The conduit pulling apparatus of claim 3, wherein: the clamping table (91) is far away from two ends of the supporting piece (92) and is rotationally connected with a clamping plate (911), the clamping plate (911) is far away from an end fixedly connected with extending part (912) of the clamping table (91), the extending part (912) is driven by a cylinder (913) rotationally connected to the clamping table (91), and the extending part (912) is rotationally connected with the cylinder (913).

5. The pipeline inner conduit pulling apparatus of claim 2, wherein: inner tube drive assembly (7) include workstation (71), workstation (71) are close to one side fixedly connected with sliding block (77) of screw shaft (6), sliding block (77) with screw shaft (6) threaded connection, sliding block (77) both sides correspond the position of slide rail (8) is rotated and is connected with pulley (82).

6. The conduit pulling apparatus of claim 5, wherein: one side fixedly connected with support frame (72) of threaded shaft (6) is kept away from in workstation (71), fixedly connected with inner tube driving piece (73) on support frame (72), inner tube driving piece (73) drive is connected with along threaded shaft (6) length direction's traction screw (731), traction screw (731) are close to one side fixedly connected with mounting (732) of backup pad (31), inside pipe (21) are connected on mounting (732).

7. The conduit pulling apparatus of claim 6, wherein: and a guide piece (74) is fixedly connected to one side, close to the pipeline clamping assembly (9), of the inner pipe driving piece (73) on the workbench (71).

8. The conduit pulling apparatus of claim 6, wherein: the workbench (71) is fixedly connected with a control box (75), the control box (75) is electrically connected with an alarm (76), and the control box (75) is electrically connected with the electric box (5).