CN215658176U

CN215658176U - Climb adjustable pipe cutter of speed

Info

Publication number: CN215658176U
Application number: CN202121676141.7U
Authority: CN
Inventors: 刘春平; 郭金宝; 杨凤丽; 杜亚利
Original assignee: Tianjin Pioneer Pipeline Engineering Machinery Co ltd
Current assignee: Tianjin Pioneer Pipeline Engineering Machinery Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-01-28
Anticipated expiration: 2031-07-22

Abstract

The utility model relates to the technical field of self-crawling pipe cutters, in particular to a crawling speed adjustable pipe cutter, wherein a set of speed changer device is added in a transmission box of an original pipe cutter, the crawling speed of the pipe cutter can be switched through different gear adjustments, a slower crawling speed can be selected for cutting when a thicker pipe wall is cut, a blade is protected, and the quality of a cut is ensured; when the pipe wall is thin, the cutting can be carried out at a high crawling speed, so that the cutting efficiency is improved; when the pipe wall is moderate, the middle-gear speed can be selected, and both the speed and the incision quality can be considered. So far, a more proper crawling speed can be selected according to different pipe wall thicknesses. The utility model has the advantages of adjustable crawling speed, improved cutting efficiency, effective blade protection and prolonged service life of the blade.

Description

Climb adjustable pipe cutter of speed

Technical Field

The utility model relates to the technical field of self-creeping pipe cutters, in particular to a pipe cutter with an adjustable creeping speed.

Background

The existing pipe cutting machine has the principle that an electric system controls the movement direction of an air pressure system through the mutual cooperation of air-oil pushing type, an oil circuit is pushed to do linear reciprocating movement, and in the reciprocating movement, the movement of the air-oil circuit is controlled and changed according to a signal detected by limiting a carriage, so that an expected feed route is achieved. The crawling of the existing pipe cutting machine is driven by taking a hydraulic motor as a driving source, for example, Chinese patent CN202010691687.3 discloses a novel four-drive self-crawling hydraulic cold cutting pipe cutting machine, but the crawling speed of the four-drive self-crawling hydraulic cold cutting pipe cutting machine cannot be freely adjusted, when the four-drive self-crawling hydraulic cold cutting pipe cutting machine faces to some thicker pipelines, the blade is damaged due to too high speed, the service life is influenced, and when the four-drive self-crawling hydraulic cold cutting pipe cutting machine faces to a thinner pipeline, the working efficiency is influenced due to too low speed.

There is therefore a need for an adjustable pipe cutter that can address the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, an object of the present invention is to provide an adjustable pipe cutter capable of climbing speed, in which a set of transmission device is added in a transmission case of an original pipe cutter, and the climbing speed of the pipe cutter can be switched by the device, so that a more appropriate climbing speed can be selected when the pipe wall thickness is different. The utility model has the advantages of adjustable crawling speed, improved cutting efficiency, effective blade protection and prolonged service life of the blade.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an adjustable pipe cutter of speed climbs, includes the pipe cutter body, this internal derailleur of crawling that is equipped with of pipe cutter, the derailleur of crawling links to each other with the pipe cutter body, and the derailleur top of crawling is equipped with safety lock device, and safety lock device rotates with the pipe cutter body to be connected.

Further, the pipe cutting machine body includes transmission box, case lid, hydraulic motor and splint, and the transmission box setting is between two splint, and hydraulic motor sets up at the transmission box front end, is equipped with the power input shaft in the transmission box, and hydraulic motor is connected with the power input shaft drive, and the transmission box rear end is equipped with the axle of crawling, and the derailleur of crawling is fixed in the transmission box, and the axle of crawling is connected with the derailleur drive of crawling, and the case lid links to each other with the transmission box, and the case lid rotates with safety lock device to be connected.

Furthermore, the crawling transmission comprises a speed change mechanism, a speed change box body, a speed change box input shaft, a speed change box output shaft, a bevel gear A and a bevel gear B, wherein a gear clamping groove is formed in the top end of the speed change box body, the speed change mechanism is arranged in the speed change box body, the speed change box input shaft penetrates through the speed change box body to be rotatably connected with the speed change mechanism, the bevel gear A is connected with one end of a power input shaft, the bevel gear B is connected with the right end of the speed change box input shaft, the bevel gear A and the bevel gear B are in meshing transmission, the speed change box body is fixedly connected with the speed change box body, the speed change box output shaft is in driving connection with the speed change mechanism, and the speed change box output shaft is connected with the crawling shaft.

Furthermore, the speed change mechanism comprises a rotating handle, a bearing sleeve and a sliding sleeve, wherein a sliding block is arranged on the input shaft of the gearbox, the sliding sleeve is in sliding connection with the input shaft of the gearbox through the sliding block, the bearing sleeve is in rotating connection with the sliding sleeve through a bearing, the rotating handle is hinged with the bearing sleeve, a gear A, a gear B and a gear C are arranged on the sliding sleeve, a gear A-A, a gear B-B and a gear C-C are arranged on the output shaft of the gearbox, the gear A is in meshing transmission with the gear A-A, the gear B is in meshing transmission with the gear B-B, and the gear C is in meshing transmission with the gear C-C.

Furthermore, the safety lock device comprises a locking screw, a rotating plate and a rotating shaft, the rotating shaft is fixedly connected with the box cover, the rotating plate is rotatably connected with the box cover through the rotating shaft, and the locking screw is in threaded connection with the rotating plate.

The utility model has the advantages that: the utility model provides a pipe cutter with adjustable climbing speed, which is characterized in that a set of speed changer device is added in a transmission box of the original pipe cutter, the climbing speed of the pipe cutter can be switched through different gear adjustments, and when a thicker pipe wall is cut, the slower climbing speed can be selected for cutting, so that a blade is protected, and the quality of a cut is ensured; when the pipe wall is thin, the cutting can be carried out at a high crawling speed, so that the cutting efficiency is improved; when the pipe wall is moderate, the middle-gear speed can be selected, and both the speed and the incision quality can be considered. So far, a more proper crawling speed can be selected according to different pipe wall thicknesses. The utility model has the advantages of adjustable crawling speed, improved cutting efficiency, effective blade protection and prolonged service life of the blade.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the transmission housing of the present invention;

FIG. 3 is a schematic view of the shifting mechanism of the present invention;

FIG. 4 is a schematic view of the twist grip of the present invention;

FIG. 5 is a schematic view of the gear position of the present invention;

FIG. 6 is a schematic view of the safety lock arrangement of the present invention;

wherein: 1. a pipe cutter body; 11. a transmission case body; 12. a power input shaft; 13. a hydraulic motor; 14. a splint; 15. a creeper shaft; 16. a box cover; 2. a creep speed transmission; 21. a speed change mechanism; 211. rotating the handle; 212. a bearing housing; 213. a sliding sleeve; 214. a gear A; 215. gear A-A; 216. a gear B; 217. a gear C; 218. gear C-C; 219. gear B-B; 2110. a bearing; 2111. a slider; 22. a transmission case; 23. a gear clamping groove; 24. a bevel gear A; 25. a bevel gear B; 26. a transmission input shaft; 27. a gearbox output shaft; 3. a security lock device; 31. locking the screw; 32. a rotating plate; 33. a rotating shaft.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly specified or limited, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

fig. 1 is a schematic perspective view of the present invention, and the pipe cutter with adjustable climbing speed shown in fig. 1 includes a pipe cutter body 1, a crawling transmission 2 is arranged in the pipe cutter body 1, the crawling transmission 2 is connected to the pipe cutter body 1, a safety lock device 3 is arranged above the crawling transmission 2, and the safety lock device 3 is rotatably connected to the pipe cutter body 1. So set up, through crawling derailleur 2 can control the speed of crawling of pipe cutting machine body 1, can select different speeds of crawling when facing the pipeline of different wall thicknesses, can improve cutting efficiency, effectively protect the blade, prolong the life of blade. The safety lock device 3 can lock the crawling transmission 2 to prevent gear change.

Example 2:

fig. 2 is a schematic diagram of a transmission case of the utility model, and the pipe cutting machine with adjustable climbing speed shown in fig. 2 comprises a pipe cutting machine body 1, a box cover 11, a hydraulic motor 13 and clamping plates 14, wherein the transmission case 11 is arranged between the two clamping plates 14, the hydraulic motor 13 is arranged at the front end of the transmission case 11, the hydraulic motor 13 is fixedly connected with the transmission case 11, the hydraulic motor 13 provides power for the whole pipe cutting machine body 1, a power input shaft 12 is arranged in the transmission case 11, the hydraulic motor 13 is in driving connection with the power input shaft 12 through the transmission case 11, a climbing shaft 15 is arranged at the rear end of the transmission case 11, a climbing gear is arranged on the climbing shaft 15, the climbing gear moves on a corresponding chain, the climbing speed changer 2 is fixed in the transmission case 11, the climbing shaft 15 is in driving connection with the hydraulic motor 13 through the climbing speed changer 2, and the box cover 16 is connected with the transmission case 11, the cover 16 is rotatably connected to the safety lock device 3. So set up, through the external gasoline engine hydraulic power unit of hydraulic motor 13, provide the power supply for hydraulic motor 13 through gasoline engine hydraulic power unit, then rotate through hydraulic motor 13, drive the inside gear mechanism of transmission box 11 and carry out the transmission, give the mechanism of crawling and cutting structure with power transmission respectively, and the mechanism of crawling carries out the motion of crawling, and cutting mechanism carries out the cutting of pipeline.

Example 3:

fig. 3 is a schematic diagram of a speed change mechanism of the present invention, and as shown in fig. 3, the crawling speed transmission 2 includes a speed change mechanism 21, a transmission case 22, a transmission input shaft 26, a bevel gear a24 and a bevel gear B25, a gear slot 23 is provided at the top end of the transmission case 22, the speed change mechanism 21 is fixed in the transmission case 22, the transmission input shaft 26 passes through the transmission case 22 and is rotatably connected with the speed change mechanism 21, the bevel gear a24 is connected with one end of the power input shaft 12, the bevel gear B25 is fixedly connected with the right end of the transmission input shaft 26, the bevel gear a24 and the bevel gear B25 are engaged for transmission, and the transmission case 22 is fixedly connected with the transmission case 11. So set up, some power that hydraulic motor 13 provided has transmitted bevel gear A24 through power input shaft 12, meshing transmission through bevel gear A24 and bevel gear B25, transmit power once more, make the mechanism of crawling crawl, and speed change mechanism 21 can make the mechanism of crawling change the rotational speed that does not influence cutting mechanism, can select different crawling speed when facing the pipeline of different wall thicknesses like this, can improve cutting efficiency, effectively protect the blade, the life of extension blade.

Example 4:

fig. 4 is a schematic view of a rotating handle according to the present invention, fig. 5 is a schematic view of a gear position according to the present invention, such as the pipe cutter with adjustable climbing speed shown in fig. 4 and fig. 5, the speed changing mechanism 21 includes a rotating handle 211, a bearing housing 212, and a sliding sleeve 213, a sliding block 2111 is provided on the transmission input shaft 26, the sliding sleeve 213 is slidably connected to the transmission input shaft 26 through the sliding block 2111, the bearing housing 212 is rotatably connected to the sliding sleeve 213 through a bearing 2110, the rotating handle 211 is hinged to the bearing housing 212, a gear a214, a gear B216, and a gear C217 are provided on the sliding sleeve 213, a gear a-a215, a gear B-B219, and a gear C-C218 are provided on the transmission output shaft 27, the gear a214 is in mesh transmission with the gear a-a215, the gear B216 is in mesh transmission with the gears B-B219, and the gear C217 is in mesh transmission with the gears C-C218. So set up, when needs change crawl speed, then can make sliding sleeve 213 take place to slide on gearbox input shaft 26 through stirring rotation handle 211, then will rotate handle 211 and carry out the locking through safety lock device 3, the meshing will take place for the gear in the gearbox this moment, and the size of every group gear is different, so crawl speed is just different. The gears on the sliding sleeve 213 move together, and the gears on the creeper shaft 15 cannot slide, so that the change of the creep speed can be realized through the meshing of different gear sets.

Example 5:

fig. 6 is a schematic view of a safety lock device of the present invention, such as the pipe cutter with adjustable climbing speed shown in fig. 6, the safety lock device 3 includes a locking screw 31, a rotating plate 32 and a rotating shaft 33, the rotating shaft 33 is fixedly connected with the box cover 16, the rotating plate 32 is rotatably connected with the box cover 16 through the rotating shaft 33, and the locking screw 31 is in threaded connection with the rotating plate 32. So set up, need slide to corresponding gear draw-in groove 23 after rotating handle 211 selection gear, then through rotor plate 32 and locking screw 31's cooperation, will rotate handle 211 and fix, prevent that gear change in the course of the work from causing the destruction of gear.

The working mode is as follows: the utility model provides a pipe cutter with adjustable climbing speed, which is characterized in that when the pipe cutter is used, the climbing speed is preselected according to the wall thickness of a pipeline to be cut, the pipe cutter body 1 is fixed, then the pipeline is cut, when a blade is completely immersed in the pipeline, the pipe cutter is stopped, a climbing track is installed, then a rotating handle 211 is shifted, a sliding sleeve 213 is moved, when the pipe cutter is moved to a gear position corresponding to a gear position clamping groove 23, the rotating handle 211 is rotated to enter the clamping groove, then a rotating plate 32 is rotated to the rotating handle 211, then the rotating plate 32 is fixed with a box cover 16 through a locking screw 31, at the moment, the rotating handle 211 cannot be shifted, the gear position can be prevented from being changed randomly in the cutting process, and then the pipe cutter is started to start climbing and cutting. When a thicker pipe wall is cut, a slower crawling speed can be selected for cutting, the blade is protected, and the quality of a cut is ensured; when the pipe wall is thin, the cutting can be carried out at a high crawling speed, so that the cutting efficiency is improved; when the pipe wall is moderate, the middle-gear speed can be selected, and both the speed and the incision quality can be considered. So far, a more proper crawling speed can be selected according to different pipe wall thicknesses. The utility model has the advantages of adjustable crawling speed, improved cutting efficiency, effective blade protection and prolonged service life of the blade.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an climb adjustable pipe cutter of speed, includes pipe cutter body (1), its characterized in that: be equipped with in pipe cutting machine body (1) and crawl derailleur (2), crawl derailleur (2) and pipe cutting machine body (1) and link to each other, crawl derailleur (2) top and be equipped with safety lock device (3), safety lock device (3) rotate with pipe cutting machine body (1) and are connected.

2. The pipe cutter with adjustable climbing speed according to claim 1, wherein: pipe cutting machine body (1) includes transmission box (11), case lid (16), hydraulic motor (13) and splint (14), transmission box (11) set up between two splint (14), hydraulic motor (13) set up in transmission box (11) front end, be equipped with power input shaft (12) in transmission box (11), hydraulic motor (13) are connected with power input shaft (12) drive, transmission box (11) rear end is equipped with crawl axle (15), crawl derailleur (2) are fixed in transmission box (11), crawl axle (15) are connected with crawl derailleur (2) drive, case lid (16) link to each other with transmission box (11), case lid (16) rotate with safety lock device (3) and are connected.

3. The pipe cutter with adjustable climbing speed according to claim 2, characterized in that: the crawling transmission (2) comprises a speed change mechanism (21), a transmission case body (22), a transmission case input shaft (26), a transmission case output shaft (27), a bevel gear A (24) and a bevel gear B (25), the top end of the gearbox body (22) is provided with a gear clamping groove (23), the speed change mechanism (21) is arranged in the gearbox body (22), a gearbox input shaft (26) penetrates through the gearbox body (22) to be rotationally connected with the speed change mechanism (21), a bevel gear A (24) is connected with one end of a power input shaft (12), a bevel gear B (25) is connected with the right end of the gearbox input shaft (26), the bevel gear A (24) and the bevel gear B (25) are in meshing transmission, the gearbox body (22) is fixedly connected with the gearbox body (11), a gearbox output shaft (27) is in driving connection with the speed change mechanism (21), and a gearbox output shaft (27) is connected with the crawling shaft (15).

4. The pipe cutter with adjustable climbing speed according to claim 3, wherein: the speed change mechanism (21) comprises a rotating handle (211), a bearing sleeve (212) and a sliding sleeve (213), a sliding block (2121) is arranged on the input shaft (26) of the gearbox, the sliding sleeve (213) is in sliding connection with the input shaft (26) of the gearbox through the sliding block (2121), the bearing sleeve (212) is in rotating connection with the sliding sleeve (213) through a bearing (2120), the rotating handle (211) is hinged with the bearing sleeve (212), a gear A (214) is arranged on the sliding sleeve (213), the gearbox output shaft (27) is provided with a gear A-A (215), a gear B-B (219) and a gear C-C (218), the gear A (214) is in meshing transmission with the gear A-A (215), the gear B (216) is in meshing transmission with the gear B-B (219), and the gear C (217) is in meshing transmission with the gear C-C (218).

5. The pipe cutter with adjustable climbing speed according to claim 2, characterized in that: the safety lock device (3) comprises a locking screw (31), a rotating plate (32) and a rotating shaft (33), the rotating shaft (33) is fixedly connected with the box cover (16), the rotating plate (32) is rotatably connected with the box cover (16) through the rotating shaft (33), and the locking screw (31) is in threaded connection with the rotating plate (32).