CN215845917U

CN215845917U - Climb a tub cutting machine

Info

Publication number: CN215845917U
Application number: CN202121549672.XU
Authority: CN
Inventors: 胡耀; 刘雷; 张骏; 罗黑皮
Original assignee: Tianjin Jiuan Machinery Manufacturing Co ltd
Current assignee: Tianjin Jiuan Machinery Manufacturing Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-02-18
Anticipated expiration: 2031-07-08

Abstract

A climbing pipe cutting machine which is fixed on the outer wall of a pipeline during use and comprises: the rack comprises a rack body, wherein an accommodating cavity with a first opening is formed in the rack body; hold the intracavity and be equipped with the arbor subassembly, the arbor subassembly includes: the milling cutter comprises a cutter shaft shell with a first axis, a first driving mechanism which is arranged on the cutter shaft shell and is provided with a second axis, and a milling cutter which is connected with the first driving mechanism and is exposed out of the first opening; the first axis is parallel to and non-coincident with the second axis; one end of the cutter shaft shell, which is close to the first opening, is rotatably connected with the inner wall of the accommodating cavity; a worm gear piece is annularly arranged at one end, far away from the first opening, of the cutter shaft shell, and is exposed out of the accommodating cavity; an adjusting worm matched with the worm wheel piece is arranged at the position, close to the accommodating cavity, of the rack body; and rotating the adjusting worm to drive the worm gear piece and the cutter shaft shell connected with the worm gear piece to rotate so as to enable the milling cutter to approach or be far away from the pipeline.

Description

Climb a tub cutting machine

Technical Field

The utility model relates to a pipeline cutting field specifically discloses a climb a tub cutting machine.

Background

In the process of repairing the pipeline, the pipeline needs to be cut for welding, and the cutting machine is an indispensable professional device in the process of replacing and repairing the pipeline. The long-distance pipeline needs to be cut off the damaged pipeline when being maintained and repaired, and because the pipeline is buried underground deeply for a long time, the extrusion stress appears, the traditional cutting machine is easy to extrude a cutter or even damage a machine when cutting, and the extrusion pipe is not easy to take out after cutting.

Disclosure of Invention

In view of the above-mentioned defects or shortcomings in the prior art, the present application aims to provide a climbing pipe cutting machine, which is fixed on the outer wall of a pipeline when in use, and comprises: the rack comprises a rack body, wherein an accommodating cavity with a first opening is formed in the rack body; hold the intracavity and be equipped with the arbor subassembly, the arbor subassembly includes: the milling cutter comprises a cutter shaft shell with a first axis, a first driving mechanism arranged in the cutter shaft shell and provided with a second axis, and a milling cutter connected with the first driving mechanism and exposed out of a first opening; the first axis and the second axis are parallel and non-coincident; one end of the cutter shaft shell, which is close to the first opening, is rotatably connected with the inner wall of the accommodating cavity; a worm gear piece is annularly arranged at one end, far away from the first opening, of the cutter shaft shell, and is exposed out of the accommodating cavity; an adjusting worm matched with the worm wheel piece is arranged at the position, close to the accommodating cavity, of the rack body; and rotating the adjusting worm to drive the worm gear piece and the cutter shaft shell connected with the worm gear piece to rotate so as to enable the milling cutter to approach or be far away from the pipeline.

According to the technical scheme provided by the embodiment of the application, the pipe climbing mechanism comprises: the cutter shaft shell is close to first opening edge ring is equipped with first recess, first recess exposes hold the chamber outside, the frame body be equipped with first recess matched with annular stopper.

According to the technical scheme that this application embodiment provided frame body on with the relative department of first opening is equipped with first circular through-hole, the embedded ring baffle that is equipped with of first circular through-hole, the arbor shell is close to the tip edge of first circular through-hole with the ring baffle end wall is contradicted.

According to the technical scheme that this application embodiment provided, arbor shell is the tube-shape, is close to first open end is equipped with the mounting panel, the mounting panel is equipped with and has the circular through-hole of second axis, the first actuating mechanism drive shaft passes the circular through-hole of second with milling cutter is connected and with the mounting panel rigid coupling.

According to the technical scheme provided by the embodiment of the application, a notch which avoids the first driving mechanism is arranged on the cutter shaft shell and is close to the first opening end.

According to the technical scheme provided by the embodiment of the application, a driving chain wheel and a driven chain wheel which corresponds to the driving chain wheel and is connected with the driving chain wheel through a chain are distributed on the rack body and are close to two sides of an accommodating cavity along a first direction; the driven chain wheel is connected to the rack body through a chain tensioning device.

According to the technical scheme provided by the embodiment of the application, the chain tensioning device comprises a slide rail which is fixed on the rack body and provided with the first direction and a slide block embedded in the slide rail, and the slide block is provided with a mandrel which is perpendicular to the first direction and is in rotary connection with the driven chain wheel; and a threaded rod in threaded connection with the sliding block is arranged in the sliding rail, and the threaded rod is rotated to adjust the driven chain wheel to move along the first direction.

According to the technical scheme that this application embodiment provided, frame body bottom is followed first direction is equipped with a plurality of support direction wheelset installation positions, support direction wheelset demountable installation in arbitrary the installation position.

To sum up, the application discloses a can eliminate pipe-climbing cutting machine of pipeline extrusion force.

This technical scheme provides a concrete structure of climbing pipe cutting machine, holds the chamber through setting up at the frame body, holds the intracavity and sets up the gliding arbor shell that can follow first axis pivoted rather than laminating each other, is equipped with eccentric installation's first actuating mechanism in the arbor shell, the arbor shell is equipped with the worm gear spare, the frame body be equipped with worm gear spare matched with adjusts the worm, can make the arbor shell rotate through adjusting worm drive worm gear spare, makes milling cutter eccentric rotation then. When the milling cutter is used, the device is fixed on the outer wall of a pipeline, and the milling cutter is far away from the pipeline by rotating the adjusting worm, so that the milling cutter is protected from being damaged, and the device is convenient to mount; in addition, the milling cutter is adopted to mill the outer wall of the pipeline, compared with a transmission blade, the milling cutter has large contact area with the pipe wall, the cutting surface is large, so that the cutting gap is large, and the extrusion stress of the pipeline can be effectively eliminated.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic side sectional view of an embodiment of a pipe climbing cutter of the present application;

FIG. 2 is a schematic view of an embodiment of a cutter shaft assembly of a climbing pipe cutting machine according to the present application;

FIG. 3 is a schematic view of one embodiment of a pipe climbing cutter of the present application;

FIG. 4 is a schematic illustration of one example of a pipe cutter of the present application;

FIG. 5 is a schematic view of a tensioner of a pipe climbing cutter of the present application;

fig. 6 is a schematic view of an embodiment of a climbing pipe cutting machine according to the present application.

1. A frame body; 2. an accommodating chamber; 3. a cutter shaft housing; 4. milling cutters; 5. a worm gear; 6. Adjusting the worm; 7. an annular stop block; 8. an annular baffle; 9. a first drive mechanism drive shaft; 10. a drive sprocket; 11. a driven sprocket; 12. a chain tensioner; 13. a slide rail; 14. A slider; 15. a mandrel; 16. a threaded rod; 17. supporting a guide wheel set; 18. lubricating the copper sleeve; 19. sealing the framework; 20. a gasket; 21. a support shaft; 22. a guide sprocket; 23. a guide wheel; 24. a roller; 25. a second drive mechanism.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As mentioned in the background art, the present disclosure proposes a pipe climbing cutter as shown in fig. 1 and 2, which addresses the problems in the prior art. The method comprises the following steps: the rack comprises a rack body 1, wherein an accommodating cavity 2 with a first opening is arranged in the rack body 1; hold 2 intracavity and be equipped with the arbor subassembly, the arbor subassembly includes: the milling cutter comprises a cutter shaft shell 3 with a first axis, a first driving mechanism arranged in the cutter shaft shell 3 and provided with a second axis, and a milling cutter 4 connected with the first driving mechanism and exposed out of the first opening; the first axis is a center line of the cutter shaft housing 3, and the first driving mechanism is connected with the milling cutter 4 through a shaft, so that the second axis is a center line of the first driving mechanism and a center line of the milling cutter 4.

The first axis and the second axis are parallel and non-coincident; namely, the first drive mechanism and the milling cutter 4 are eccentrically mounted to the arbor housing. One end of the cutter shaft shell 3 close to the first opening is rotatably connected with the inner wall of the accommodating cavity 2; optionally, the accommodating cavity 2 is an aluminum workpiece, the arbor housing 3 is an iron workpiece, a lubricating copper bush 18 is arranged between the accommodating cavity 2 and the arbor housing 3, and the lubricating copper bush 18 is embedded in the inner wall of the accommodating cavity 2, so that the arbor housing 3 can not be jammed in the accommodating cavity 2 during rotation.

A worm gear piece 5 is annularly arranged at one end of the cutter shaft shell 3, which is far away from the first opening, and the worm gear piece 5 is exposed out of the accommodating cavity 2; an adjusting worm 6 matched with the worm gear piece 5 is arranged at the position, close to the accommodating cavity 2, of the rack body 1; and rotating the adjusting worm 6 to drive the worm gear 5 and the cutter shaft shell 3 connected with the worm gear to rotate, so that the milling cutter 4 is close to or far away from the pipeline. A second curved groove is formed in the edge of one end, away from the first opening, of the cutter shaft shell 3, the worm gear 5 is fixed in the second groove through a bolt, an adjusting worm 6 is arranged between the rack body 1 and the accommodating cavity and is connected with the worm gear 5 through a gear, the adjusting worm 6 is rotatably connected with the rack body 1 through two pairs of mounting rings, the two pairs of mounting rings are respectively fixed at the bottom end and the top end of the rack body 1, one end of the adjusting worm 6 is exposed at the top end of the rack body 1, when the cutter shaft shell 3 is used, the cutter shaft shell 3 connected with the worm gear 5 is driven to rotate through the adjusting worm 6 exposed on the rack body 1, the cutter shaft shell 4 is connected with the cutter shaft shell 3, and therefore, the cutter shaft shell 4 is eccentrically installed relative to the cutter shaft shell 3 along with the rotation of the cutter shaft shell 4, when the cutting device is used, the cutting device is fixed on the outer wall of the pipeline, so that the milling cutter 4 can be close to or far away from the pipeline.

The cutter shaft shell is provided with a worm gear piece, the cutter shaft shell can be driven to rotate by driving the worm gear piece, and then the milling cutter can be eccentrically rotated. When the device is used, the device is fixed on the outer wall of a pipeline, and the milling cutter is far away from the pipeline by rotating the worm gear, so that the milling cutter is protected from being damaged, and the device is convenient to mount; in addition, the milling cutter is adopted to cut the pipe wall, compared with the traditional blade, the milling cutter has large contact area with the pipe wall, the cutting surface is large, so that the cutting gap is large, and the extrusion stress of the pipeline can be effectively eliminated.

As shown in fig. 1, a first groove is annularly formed at a position, close to the first opening edge, of the cutter shaft housing 3, the first groove is exposed outside the accommodating cavity 2, and the rack body 1 is provided with an annular limiting block 7 matched with the first groove. Annular stopper 7 winds 3 rounds of arbor shell, be close to on the arbor shell 3 first open-ended one end with hold 2 inner walls rotatable coupling in chamber, work as arbor shell 3 is in hold 2 when rotating in chamber, annular stopper 7 can restrict arbor shell 3 to first axial direction removes. And annular stopper 7 with be equipped with skeleton seal 19 between the first recess, skeleton seal 19 can make smooth and easy not blocking when arbor shell 3 rotates, also can prevent the lubricating oil seepage.

As shown in fig. 2, a first circular through hole is formed in the frame body 1 opposite to the first opening, an annular baffle plate 8 is embedded in the first circular through hole, and the end edge of the cutter shaft housing 3 close to the first circular through hole abuts against the end wall of the annular baffle plate 8. Annular baffle 8 is fixed in through the bolt first circular through-hole inner wall, be equivalent to hold chamber 2 relative the first open-ended other end is equipped with annular baffle 8, 8 terminal surfaces of annular baffle are the plain noodles, and arbor shell 3 is close to the tip edge of first circular through-hole also is the plain noodles, and two terminal surfaces are contradicted when not acting, during operation, arbor shell 3 for but annular baffle 8 face veneer rotates. The annular baffle 8 and the annular limiting block 7 are matched to enable the cutter shaft shell 3 to act in the accommodating cavity 2 all the time.

As shown in fig. 1, the cutter shaft housing 3 is cylindrical, a mounting plate is disposed near the first opening end, the mounting plate is provided with a second circular through hole having a second axis, and the first driving mechanism driving shaft 9 penetrates through the second circular through hole to be connected with the milling cutter 4 and fixedly connected with the mounting plate. The first driving mechanism driving shaft 9 is connected with the milling cutter 4 through a bolt, the first driving mechanism is fixedly connected with the mounting plate, and the mounting plate is a part of the cutter shaft shell 3, so that when the cutter shaft shell 3 rotates, the first driving mechanism rotates along with the rotation, and the milling cutter 4 connected with the first driving mechanism rotates simultaneously.

A notch which avoids the first driving mechanism is arranged on the cutter shaft shell 3 and is close to the first opening end. The first driving mechanism is a hydraulic motor, when the cutter shaft shell 3 rotates, the hydraulic motor rotates, a notch is formed in the cutter shaft shell 3 for avoiding the hydraulic motor, on one hand, the hydraulic motor is convenient to detach and install, and on the other hand, the space of the cutter shaft shell 3 is saved.

As shown in fig. 3, 4 and 6, a driving sprocket 10 and a driven sprocket 11 corresponding to the driving sprocket 10 and connected to each other by a chain are distributed on the two sides of the rack body 1 adjacent to the accommodating cavity 2 along the first direction. This climb a tub cutter and will realize walking on the pipeline, be provided with the mechanism of crawling, the mechanism of crawling includes: a chain transmission component, a support guide wheel set 17 and a second driving mechanism 25. As shown in fig. 4 and 5, the chain transmission assembly includes: the pipeline driving mechanism comprises a chain surrounding a pipeline, and a driving chain wheel 10 and a driven chain wheel 11 which are arranged inside the chain and meshed with a chain gear, wherein the driving chain wheel 10 and the driven chain wheel 11 are distributed on two sides of the accommodating cavity 2 along a first direction, the first direction is perpendicular to the first axis, and the driving chain wheel 10 is connected to an output shaft of the second driving mechanism 25 through a bearing. As shown in fig. 5, the second driving mechanism 25 is mounted on the frame body 1 away from the first opening side, and includes a traveling motor, a planetary reducer connected to the traveling motor, and a worm gear mounted on the frame body 1, the worm gear drives the driving sprocket 10 to rotate through the main shaft, and the driving sprocket 10 meshes with the chain, so that the driven sprocket 11 rotates with the driving sprocket 10. During operation, support direction wheelset 17 contact pipeline outer wall, the chain passes support direction wheelset 17 with be fixed in on the pipeline between the frame body 1, second actuating mechanism 25 passes through the drive of chain drive assembly support direction wheelset 17 crawls on the pipeline.

As shown in fig. 3 and 5, the driven sprocket is connected to the frame body 1 by a chain tensioner 12. The chain tensioner 12 comprises a slide rail 13 fixed to the frame body 1 and having a first direction, and a slider 14 embedded in the slide rail 13, wherein the slider 14 is provided with a spindle 15 perpendicular to the first direction and rotatably connected with the driven sprocket 11. Preferably, the sliding block 14 is T-shaped, a first threaded through hole is formed in a portion embedded in the sliding rail 13, and a cylindrical mandrel 15 is formed outside the sliding rail 13. The driven sprocket 11 is provided with a gasket 20 with a diameter larger than that of the mandrel 15 on the side far away from the slide rail 13, and the gasket 20 is connected with the mandrel 15 through a bolt, so that the driven sprocket 11 is rotatably connected with the mandrel 15.

As shown in fig. 5, a threaded rod 16 is disposed in the slide rail 13 and is in threaded connection with the slide block 14, and the driven sprocket 11 can be adjusted to move in a first direction by rotating the threaded rod 16. Preferably, a rectangular baffle plate with a second threaded through hole is arranged on the side of the slide rail 13 away from the rack body 1, the threaded rod 16 passes through the second threaded through hole and the first threaded through hole to be connected with the slide rail 13 and the slide block 14 through threads, the position of the slide block 14 on the threaded rod 16 can be adjusted by rotating the threaded rod 16, and then the position of the driven sprocket 11 relative to the threaded rod 16 is adjusted, and the threaded rod 16 is embedded into the slide rail 13, and the slide rail is distributed along a first direction, so that the driven sprocket 11 can move along the first direction, that is, the driven sprocket 11 can move towards a direction close to or away from the driving sprocket 10. Alternatively, the threaded rod may be a lead screw. This design can make the during operation the chain remains the tensioning state throughout and guarantees the precision and the stability of cutting, during the installation, at first is close to driven sprocket 11 drive sprocket 10 meshes the chain with drive sprocket 10 and driven sprocket 11 respectively, later the rethread rotates driven sprocket 11 toward keeping away from driven sprocket's direction removes, until the chain tensioning, so this chain tensioner's design has also made things convenient for chain drive assembly's installation.

The execution unit of the crawling mechanism is a supporting guide wheel set 17, as shown in fig. 4, the supporting guide wheel set 17 comprises a support shaft 21, a guide chain wheel 22 far away from the rack body 1 on the support shaft 21, a rotatable guide wheel 23 close to the first opening side and a roller 24 which is arranged at one end of the support shaft 21 and far away from the first opening side and used for walking, the guide wheel 23 can realize that the crawling pipe cutting machine performs circular motion on a pipeline, when the crawling pipe cutting machine works, a chain penetrates through the guide chain wheel 22 and the rack body 1 and then is fixed to the outer wall of the pipeline, the guide chain wheel 22 can limit the position of the chain close to the pipeline side, the chain is prevented from shifting, and the cutting precision and stability are guaranteed. The bottom of the rack body 1 is provided with a plurality of mounting positions of the supporting guide wheel set 17 along a first direction, and the supporting guide wheel set 17 is detachably mounted at any one of the mounting positions. The climbing pipe cutting machine can be suitable for pipelines with different diameters by changing the installation position, and the applicability is enlarged.

Referring to the drawings of the embodiment shown in fig. 1 and 3, the milling cutter 4 comprises a cutter head and blades mounted on the periphery of the cutter head, the blades are three-edge blades, and the milling cutter 4 is designed to enable a large contact surface with a pipeline, a large chip surface and a large cutting gap when cutting the pipeline, so that the pipeline extrusion stress can be effectively eliminated.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. The utility model provides a climb a tub cutting machine, is fixed in pipeline outer wall with it during the use, its characterized in that: the method comprises the following steps: the rack comprises a rack body (1), wherein an accommodating cavity (2) with a first opening is formed in the rack body (1); hold and be equipped with the arbor subassembly in chamber (2), the arbor subassembly includes: the cutter shaft comprises a cutter shaft shell (3) with a first axis, a first driving mechanism which is arranged in the cutter shaft shell (3) and is provided with a second axis, and a milling cutter (4) which is connected with the first driving mechanism and is exposed out of the first opening; the first axis and the second axis are parallel and non-coincident; one end of the cutter shaft shell (3) close to the first opening is rotatably connected with the inner wall of the accommodating cavity (2); a worm gear piece (5) is annularly arranged at one end, far away from the first opening, of the cutter shaft shell (3), and the worm gear piece (5) is exposed out of the accommodating cavity (2); an adjusting worm (6) matched with the worm gear piece (5) is arranged at the position, close to the accommodating cavity (2), of the rack body (1); and rotating the adjusting worm (6) to drive the worm gear piece (5) and the cutter shaft shell (3) connected with the worm gear piece to rotate, so that the milling cutter (4) is close to or far away from the pipeline.

2. The climbing pipe cutting machine according to claim 1, wherein: the cutter shaft shell (3) is close to the edge of the first opening, a first groove is annularly arranged on the edge of the first opening, the first groove is exposed out of the first opening, and the rack body (1) is provided with an annular limiting block (7) matched with the first groove.

3. The climbing pipe cutting machine according to claim 1, wherein: the cutter shaft is characterized in that a first circular through hole is formed in the position, opposite to the first opening, of the rack body (1), an annular baffle (8) is embedded into the first circular through hole, and the end edge, close to the first circular through hole, of the cutter shaft shell (3) is abutted to the end wall of the annular baffle (8).

4. The climbing pipe cutting machine according to claim 1, wherein: arbor shell (3) are the tube-shape, are close to first open end is equipped with the mounting panel, the mounting panel is equipped with and has the circular through-hole of second axis, first actuating mechanism drive shaft (9) pass the circular through-hole of second with milling cutter (4) are connected and with the mounting panel rigid coupling.

5. The climbing pipe cutting machine according to claim 4, wherein: and a notch which avoids the first driving mechanism is arranged on the cutter shaft shell (3) and is close to the first opening end.

6. The climbing pipe cutting machine according to claim 1, wherein: a driving chain wheel (10) and a driven chain wheel (11) which corresponds to the driving chain wheel (10) and is connected with the driving chain wheel through a chain are distributed on the two sides of the rack body (1) adjacent to the containing cavity (2) along a first direction; the driven chain wheel (11) is connected to the rack body (1) through a chain tensioning device (12).

7. The climbing pipe cutting machine according to claim 6, wherein: the chain tensioning device (12) comprises a slide rail (13) which is fixed on the rack body (1) and provided with the first direction and a slide block (14) embedded in the slide rail (13), and the slide block (14) is provided with a mandrel (15) which is perpendicular to the first direction and is rotatably connected with the driven chain wheel (11); a threaded rod (16) in threaded connection with the sliding block (14) is arranged in the sliding rail (13), and the driven chain wheel (11) can be adjusted to move along the first direction by rotating the threaded rod (16).

8. The climbing pipe cutting machine according to claim 6, wherein: the rack is characterized in that a plurality of supporting guide wheel set (17) installation positions are arranged at the bottom of the rack body (1) along the first direction, and the supporting guide wheel sets (17) are detachably installed at any installation positions.