CN116512342A - Cutting device and cutting method for electric power pipe for electric power construction - Google Patents

Cutting device and cutting method for electric power pipe for electric power construction Download PDF

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Publication number
CN116512342A
CN116512342A CN202310559654.7A CN202310559654A CN116512342A CN 116512342 A CN116512342 A CN 116512342A CN 202310559654 A CN202310559654 A CN 202310559654A CN 116512342 A CN116512342 A CN 116512342A
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CN
China
Prior art keywords
cutting
rotating arm
pipe
electric power
arm
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Pending
Application number
CN202310559654.7A
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Chinese (zh)
Inventor
单妍
程彦荣
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to CN202310559654.7A priority Critical patent/CN116512342A/en
Publication of CN116512342A publication Critical patent/CN116512342A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/02—Means for holding or positioning work with clamping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • B26D1/30—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut with limited pivotal movement to effect cut
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/16—Cutting rods or tubes transversely
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/0053—Cutting members therefor having a special cutting edge section or blade section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D2007/013—Means for holding or positioning work the work being tubes, rods or logs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention relates to the technical field of cutting of power pipes, in particular to a power pipe cutting device and a cutting method for power construction. Wherein: the cutting device comprises a cutting system and a positioning system, wherein the positioning system comprises two occlusion components, and the cutting system is arranged between the two occlusion components; the cutting system comprises an arm group carrying with a cutting end and a pushing piece for driving the arm group to carry out displacement, the arm group drives the cutting end to carry out displacement around the outside of the tube body under the action of the pushing piece, and the cutting end is cut into the tube body in the displacement process. According to the invention, the angle of the main positioning body clamped into the pipe body during the fixation can be adaptively adjusted according to the position of the pipe body attached to the ground and the condition of surrounding operation space, so that the interference caused by space problems is overcome, and the first rotating arm and the second rotating arm are additionally provided with the function of breaking the ground, so that the surrounding cutting mode is completed through the outside, and the cutting position becomes more visual while the problem of higher space requirement is solved.

Description

Cutting device and cutting method for electric power pipe for electric power construction
Technical Field
The invention relates to the technical field of cutting of power pipes, in particular to a power pipe cutting device and a cutting method for power construction.
Background
The electric tube is a product which is coated inside and outside by PE (modified polyethylene) or epoxy resin, and has excellent corrosion resistance. Meanwhile, the coating has good electrical insulation, and no electric corrosion is generated. The water absorption rate is low, the mechanical strength is high, the friction coefficient is small, and the aim of long-term use can be achieved. And the damage of plant root system and soil environmental stress can be effectively prevented.
When the electric power pipe is paved, the electric power pipe needs to be cut according to paved terrains and specific paving conditions, so that the variability is too large, the electric power pipe is not recommended to be cut in advance and then transported to a paving place, more than the electric power pipe is cut in a field cutting mode, if the electric power pipe is cut by using a common cutting machine, the electric power pipe is more difficult to move because the electric power pipe is different from a common pipe, the electric power pipe is more large in size, the most effective cutting mode is manually performed by a pull saw at present, but the space requirement is higher in the pull saw process, and when the electric power pipe is placed on the ground, the part attached to the ground is difficult to provide enough space for the pull saw.
In view of the above problems, there is also a method of cutting a power pipe through a pipe inside, for example: chinese patent publication No.: CN112123446a discloses a large-caliber power pipe cutting device for power construction, which can cut a power pipeline and comprises: the support shaft, fixed disc, rotary disk, axle sleeve, three cutting member, drive pole, slip ring, three pushing connecting rod that set up in support shaft one end, its theory of operation is: the cutting device is arranged in the electric pipeline and can drive the electric pipeline to move along the axial direction of the electric pipeline through other traveling devices, when the electric pipeline moves to a preset cutting position, the driving electric pole is controlled to stretch, the sliding ring slides towards the direction of the disc, the cutting piece is pushed to move along the first sliding groove towards the direction away from the center of the disc by pushing the pushing connecting rod, the electric pipeline is cut for the first time, and then the driving electric pole is controlled to shrink, so that the rotating disc rotates for 60 degrees; and then controlling the driving electric pole to extend again, cutting the electric power pipeline for the second time, and finishing cutting the electric power pipeline after the cutting for the second time.
But the internal cutting mode, the operator cannot intuitively see the cutting position, which requires more equipment to assist in the observation, for example: cameras or infrared sensors, etc., which increase the cost of the device and reduce the functionality of the device that is cut inside.
In view of the foregoing, there is a need for a cutting device and a cutting method for a power pipe for power construction.
Disclosure of Invention
The invention aims to provide a cutting device and a cutting method for a power pipe for power construction, which are used for solving the problems in the background technology.
In order to achieve the above object, one of the objects of the present invention is to provide a cutting device for a power pipe for power construction, the cutting device being used for cutting a pipe body of the power pipe, the cutting device including a cutting system and a positioning system, wherein:
the positioning system comprises two occlusion components, the cutting system is arranged between the two occlusion components, and the two occlusion components encircle the pipe body in a semi-encircling manner and are used for fixing the cutting system on the pipe body;
the cutting system comprises an arm group carrying with a cutting end and a pushing piece for driving the arm group to carry out displacement, the arm group drives the cutting end to carry out displacement around the outside of the tube body under the action of the pushing piece, and the cutting end is cut into the tube body in the displacement process.
As a further improvement of the present technical solution, a single said snap assembly comprises a main positioning body, on both ends of which are each rotatably connected a snap, said snap defining an opening distance between both ends of the main positioning body in a rotatable manner, wherein:
the main positioning body is of a semi-annular structure, and the main positioning body of the semi-annular structure is provided with two end parts;
the main positioning bodies of the two occluding components are fixedly connected.
As a further improvement of the technical scheme, a second hydraulic rod is arranged on the outer wall of the biting claw, the telescopic end of the second hydraulic rod is rotationally connected with the biting claw, an extension frame is arranged on the outer wall of the main positioning body, and the other end of the second hydraulic rod is rotationally connected with the extension frame.
As a further improvement of the technical scheme, the arm group consists of a first rotating arm and a second rotating arm, wherein the inner sides of the first rotating arm and the second rotating arm are respectively provided with a cutting knife, and a cutting end is formed by the cutting knives;
the main locating body is provided with an orientation plate on one side close to each other, two extension plates are symmetrically arranged in the middle of the orientation plate, orientation grooves are formed in the extension plates and the orientation plates, orientation heads are arranged on the side walls of the first rotating arm and the second rotating arm, the two orientation grooves are respectively connected with the orientation heads on the side walls of the first rotating arm and the second rotating arm, and the orientation heads are positioned and guided through the orientation grooves, so that the first rotating arm and the second rotating arm encircle the outside of the pipe body to displace.
As a further improvement of the technical scheme, the pushing piece is a first hydraulic rod, two corresponding first rotating arms and second rotating arms are arranged on the first hydraulic rod, a support is arranged outside the first hydraulic rod, the first hydraulic rod is rotationally connected with the support, and the telescopic end of the first hydraulic rod is rotationally connected with the corresponding first rotating arm and second rotating arm.
As a further improvement of the technical scheme, the bracket is of a U-shaped structure, and two ends of the U-shaped structure are respectively fixed on the two main positioning bodies.
As a further improvement of the technical scheme, the tangent plane of the cutting knife is composed of a main tangent plane and a secondary tangent plane, the main tangent plane is positioned on the inner ring side of the cutting knife, the secondary tangent plane is positioned at the lower end of the cutting knife, and a diamond-shaped cutting end is formed at the intersection of the secondary tangent plane and the main tangent plane.
As a further improvement of the technical scheme, the claw end of the claw is an arc-shaped surface, the arc-shaped surface of the claw and the inner annular surface of the main positioning body are concentric circles, and rubber layers are arranged on the claw end of the claw and the inner annular surface of the main positioning body.
As a further improvement of the technical scheme, the lower ends of the first rotating arm and the second rotating arm are of wedge-shaped structures.
The second object of the present invention is to provide a method for cutting by using the electric power pipe cutting device for electric power construction, comprising the following steps:
step one, fixing a cutting system outside a pipe body by a snapping component of a positioning system;
step two, cutting the upper semicircular part of the pipe body by an arm group carrying a cutting end, wherein: the arm group consists of a first rotating arm and a second rotating arm, wherein the inner sides of the first rotating arm and the second rotating arm are respectively provided with a cutting knife, and a cutting end is formed by the cutting knives;
and thirdly, the first rotating arm and the second rotating arm drive the cutting end to complete cutting of the lower semicircular part of the pipe body through rotation.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the electric power pipe cutting device and the cutting method for the electric power construction, the angle of the main positioning body clamped into the pipe body during fixing can be adaptively adjusted according to the position of the pipe body attached to the ground and the conditions of surrounding operation space, so that interference caused by space problems is overcome, the first rotating arm and the second rotating arm are additionally provided with the function of breaking the ground, the surrounding cutting mode is completed through the outside, and therefore the problem that the space requirement is high is solved, and meanwhile the cutting position is more visual.
2. In the cutting device and the cutting method for the electric power pipe for electric power construction, a diamond-shaped cutting end is formed from the intersection of the tangent plane and the main tangent plane, the diamond-shaped cutting end firstly cuts into the pipe body, the diamond-shaped structure enables the cutting end to more forcefully cut into the pipe body, and a cutting point is formed after cutting; in addition, the subsequent cutting is performed by taking the cutting point as a starting point to extend outwards, so that the contact area of the section and the pipe body is reduced, and the cutting capability and the cutting effect are improved.
3. According to the electric power pipe cutting device and the electric power pipe cutting method for electric power construction, the main positioning body exposed outside is used for guiding the other pipe body in a directional mode, and therefore accurate butt joint of the two pipe bodies is achieved;
moreover, after the butt joint, the other main positioning body is fixed with the corresponding pipe body through the biting claw, so that the two spliced pipe bodies can be conveniently displaced, and meanwhile, the two pipe bodies can be assisted to be connected in a sealing mode.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a cutting device according to the present invention;
FIG. 3 is a schematic view of the positioning system of the present invention;
FIG. 4 is a schematic diagram of a cutting system according to the present invention;
FIG. 5 is a schematic view of a cutting blade according to the present invention;
FIG. 6 is a schematic diagram of the working principle of the arm set of the present invention;
FIG. 7 is a schematic side view of a cutting system according to the present invention;
fig. 8 is a schematic view of a positioning system structure in a butt joint state of a pipe body according to the present invention.
The meaning of each reference sign in the figure is:
100. a tube body; 200. cutting the system; 300. positioning system;
210. a first rotating arm; 220. a second rotating arm; 230. a cutting knife; 231. cutting into sections; 232. cutting into slices; 240. an orientation head; 250. a bracket; 251. a first hydraulic lever;
310. a main positioning body; 311. a biting claw; 330. an orientation plate; 331. an extension plate; 330A, orientation slots; 340. a second hydraulic lever; 341. an extension frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
When the power tube is paved, the power tube needs to be cut according to paved terrains and specific paving conditions, so that the variability is too large, the power tube is not recommended to be cut in advance and then transported to a paving place, more on-site cutting modes are adopted, if the power tube is cut by using a common cutting machine, the power tube is more difficult to move because the power tube is different from a common tube, the power tube is larger in size, the most effective cutting mode is manually performed by a pull saw at present, the space requirement is higher in the pull saw process, and when the power tube is placed on the ground, the part attached to the ground is difficult to provide enough space for the pull saw.
Although there is a method of cutting the power tube through the inside of the tube in the prior art, the internal cutting method cannot intuitively see the cutting position, and this requires more devices to assist in observation, for example: cameras or infrared sensors, etc., which increase the cost of the device and reduce the functionality of the device that is cut inside.
For this reason, the present embodiment provides a cutting device for a power pipe for power construction, which is used for cutting a pipe body 100, as shown in fig. 1, and the cutting device is fixed outside the pipe body 100 during cutting, and a positioning system 300 for fixing and a cutting system 200 for completing cutting are shown in fig. 2-4; in fig. 2, the cutting device is composed of a cutting system 200 and a positioning system 300, wherein the positioning system 300 is used for fixing the cutting system 200 carried by the cutting system on the pipe body 100, and referring to fig. 3, the positioning system 300 comprises two engaging components, the cutting system 200 is arranged between the two engaging components, and then the two engaging components encircle the pipe body 100 in a semi-encircling manner, so that the cutting system 200 is fixed on the pipe body 100 through the engaging components; referring to fig. 4, the cutting system 200 includes an arm set with a cutting end and a driving arm set for moving the driving arm set, wherein the arm set drives the cutting end to move around the outside of the tube 100 under the action of the driving arm set, and the cutting end is cut into the tube 100 during the moving process, so that the cutting of the tube 100 is completed through the moving of the cutting end.
Further, referring to fig. 3, the single engaging component includes a main positioning body 310, the main positioning body 310 has a semi-ring structure, so that the main positioning body 310 has two ends, two ends of the main positioning body 310 are rotatably connected with a jaw 311, and then the size of an opening between the two ends of the main positioning body 310 is controlled by the rotation angle of the jaw 311, specifically: the outer wall of the clamping claw 311 is provided with a second hydraulic rod 340, the telescopic end of the second hydraulic rod 340 is rotationally connected with the clamping claw 311, an extension frame 341 is arranged on the outer wall of the main positioning body 310 in an extending way towards the side where the second hydraulic rod 340 is located, the other end of the second hydraulic rod 340 is rotationally connected with the extension frame 341, the arrangement of the extension frame 341 ensures that the second hydraulic rod 340 can drive the clamping claw 311 to rotate inwards, and the opening between the two end parts of the main positioning body 310 is smaller when the angle of the rotation of the clamping claw 311 to the inner side is larger, so that the pipe body 100 can be embraced, and the pipe body 100 is meshed so as to achieve the purpose of fixing.
Wherein the main positioning bodies 310 of the two snap-in components are fixedly connected.
Referring to fig. 4, the arm set is composed of a first rotating arm 210 and a second rotating arm 220, the inner sides of the first rotating arm 210 and the second rotating arm 220 are respectively provided with a cutting knife 230, a cutting end is formed by the cutting knives 230, returning to fig. 3, one side of each main positioning body 310, which is close to each other, is respectively provided with an orientation plate 330, two extension plates 331 are symmetrically arranged in the middle of each orientation plate 330, orientation grooves 330A are formed in each orientation plate 330 on the corresponding side of each extension plate 331, that is, each orientation plate 330 is provided with two symmetrical orientation grooves 330A, then, the side walls of each first rotating arm 210 and each second rotating arm 220 are respectively provided with an orientation head 240, and the two orientation grooves 330A are respectively connected with the orientation heads 240 on the side walls of each first rotating arm 210 and each second rotating arm 220, so that under the action of a pushing piece, the orientation heads 240 are positioned and guided by the orientation grooves 330A, and the first rotating arm 210 and the second rotating arm 220 are driven to surround the periphery of the pipe body 100 to displace.
In addition, in fig. 4, the pushing member is a first hydraulic rod 251, two first hydraulic rods 251 are provided corresponding to the first rotating arm 210 and the second rotating arm 220, the two first hydraulic rods 251 are each provided with a bracket 250, the brackets 250 are in a "U" structure, two ends of the "U" structure are respectively fixed on the two main positioning bodies 310, so that the two main positioning bodies 310 are fixed together, furthermore, the first hydraulic rod 251 is rotatably connected in the "U" structure, and then the telescopic ends of the first hydraulic rod 251 are rotatably connected with the corresponding first rotating arm 210 and second rotating arm 220.
Working principle:
first embodiment: the pipe body 100 is positioned in the foundation pit for cutting;
firstly, the telescopic end of the second hydraulic rod 340 does not extend outwards, and at this time, the opening between the two ends of the main positioning body 310 is in a maximized state, that is, the opening distance between the two ends is equal to the diameter of the inner ring of the main positioning body 310, which should be noted as follows: the outer diameter of the power tube with the wall thickness of 3.0mm is 50, 63, 75, 90, 110mm and other specifications; the outer diameter of the power tube with the wall thickness of 4.0mm is provided with specifications of 90, 110, 125, 150, 200mm and the like; a power tube with a wall thickness of 5.0mm, and the outer diameter of the power tube has specifications of 63, 75, 90, 110, 160mm and the like; while the outer diameter of the power tube with the wall thickness of 6.0mm has specifications of 162 mm, 315mm and the like, in this embodiment, the inner diameter of the main positioning body 310 is required to be matched with the outer diameter of the tube body 100 with the corresponding specification, so that the main positioning body 310 can be maximally attached to the tube body 100 when the opening is in the maximized state, after the main positioning body 310 is attached to the tube body 100, the telescopic end of the second hydraulic rod 340 extends outwards, so that the claw end of the claw 311 is attached to the outer wall of the tube body 100, at the moment, the claw end of the claw 311 is used as the end of the main positioning body 310, the opening distance is limited and reduced by the claw 311, and after the reduction, the claw end of the claw 311 is mutually engaged with the tube body 100, at the moment, the main positioning body 310 cannot be detached from the tube body 100, and is tightly fixed on the tube body 100.
In the above-mentioned fixing process of the main positioning body 310, it is required to ensure that the fixed cutting end is located at the cutting position of the pipe body 100, and referring to fig. 7, considering that the main positioning body 310 needs to be attached to the pipe body 100, and the cutting knife 230 forming the cutting end needs to cut into the pipe body 100, the cutting knife 230 exists as a resistance in the process of attaching the main positioning body 310 to the pipe body 100, and in the process of attaching the main positioning body 310 to the pipe body 100 by manual operation, if a resistance exists, it is difficult for the manual operation to ensure that the main positioning body 310 can be tightly attached to the pipe body 100, so the following modes are adopted in this embodiment:
the extension plate 331 is arranged above the orientation plate 330, the opened orientation groove 330A can extend upwards for a section through the addition of the extension plate 331, so that the first rotary arm 210 and the second rotary arm 220 have a longitudinal displacement path, the path lifts the first rotary arm 210 and the second rotary arm 220 upwards, the cutting knife 230 is far away from the inner annular surface of the main positioning body 310, then the cutting knife 230 can not generate resistance in the process that the main positioning body 310 is attached to the pipe body 100, the telescopic end of the first hydraulic rod 251 extends outwards after the main positioning body 310 is fixed on the pipe body 100, the first rotary arm 210 and the second rotary arm 220 are pushed to move downwards along the longitudinal displacement path, an arc path (the arc path is concentric with the inner annular surface of the main positioning body 310) formed on the orientation plate 330 is connected with the path, after the orientation head 240 enters the arc path, the cutting knife 230 corresponding to the first rotary arm 210 and the second rotary arm 220 is closed, meanwhile, the end of the first hydraulic rod 251 continues to extend outwards when the end of the main positioning body 310 is attached to the pipe body 100, the first rotary arm 230 extends downwards, the arc path is guided by the guide the first rotary arm 230 to break through the arc path, the first rotary arm 230 is completely attached to the cutting the pipe body 100, and the soil is completely cut off the soil is completely, and the soil is completely cut off when the soil is completely cut off, and the soil is completely cut by the soil is completely cut.
It should be noted that, referring to fig. 5, the cutting blade 230 has a 1/4 ring structure, and when the two cutting blades 230 on the first rotating arm 210 and the second rotating arm 220 are closed, a half ring structure is formed, and only the first rotating arm 210 and the second rotating arm 220 are required to drive the cutting blade 230 to rotate 90 degrees along the arc-shaped path to form a complete circular cutting path.
In addition, with continued reference to fig. 5, the cutting surface of the cutting blade 230 is formed by the main cutting surface 231 and the auxiliary cutting surface 232, the main cutting surface 231 is located at the inner ring side of the cutting blade 230, the auxiliary cutting surface 232 is located at the lower end of the cutting blade 230, and the auxiliary cutting surface 232 is located closer to the pipe body 100 than the main cutting surface 231 after the first rotating arm 210 and the second rotating arm 220 are lifted up as shown in fig. 7, so that the auxiliary cutting surface 232 contacts the pipe body 100 first, a cutting point is formed by cutting the auxiliary cutting surface 232 into the pipe body 100, the auxiliary cutting surface 232 continuously cuts downwards from the cutting surface 232 with the cutting point as a starting point along with the completion of the closing process of the cutting blade 230, the auxiliary cutting surface 232 is cut upwards with the cutting point as a starting point, and when the upper semicircular part of the pipe body 100 is cut after the two cutting blades 230 are closed, the lower semicircular part of the pipe body 100 is cut through the rotation of the first rotating arm 210 and the second rotating arm 220.
The advantages in the above process are: a diamond-shaped cutting end is formed from the intersection of the cutting surface 232 and the main cutting surface 231, the diamond-shaped cutting end firstly cuts into the pipe body 100, and the diamond-shaped structure enables the cutting end to cut into the pipe body 100 more forcefully, and a cutting point is formed after cutting; in addition, the subsequent cutting is extended outward from the cutting point, so that the contact area of the cut surface with the pipe body 100 is reduced, and both the cutting ability and the cutting effect are improved.
It should be noted that, the angle of the main positioning body 310 clamped into the pipe body 100 during fixing can be adaptively adjusted according to the position of the pipe body 100 attached to the ground and the condition of the surrounding operation space, so as to overcome the interference caused by the space problem, and the first rotating arm 210 and the second rotating arm 220 are additionally provided with the function of breaking the ground, so that the surrounding cutting mode is completed through the outside, and the cutting position becomes more visual while the problem of higher space requirement is solved, and the determination of the cutting position is completed without the help of other auxiliary devices (such as a camera, a sensor, etc.).
Referring to fig. 8, a second implementation manner of this embodiment is shown: the splicing of the two pipe bodies 100 is carried out, firstly, one of the two main positioning bodies 310 is clamped outside one pipe body 100, then the biting claws 311 at the two ends of the main positioning body 310 are attached to the pipe body 100 under the pushing of the second hydraulic rod 340, then the other main positioning body 310 is exposed outside the pipe body 100, and the other pipe body 100 is guided in an oriented manner through the main positioning body 310 exposed outside, so that the two pipe bodies 100 are accurately abutted;
moreover, after the butt joint, the other main positioning body 310 is fixed with the corresponding pipe body 100 through the biting claw 311, so that the two spliced pipe bodies 100 can be conveniently displaced, and meanwhile, the two pipe bodies 100 can be assisted to be in sealing connection, so that the increase of the functionality of the device is realized.
Preferably, the claw end of the claw 311 is an arc surface, the arc surface and the inner ring surface of the main positioning body 310 are concentric circles, and rubber layers are arranged on the claw end of the claw 311 and the inner ring surface of the main positioning body 310, so that the stability of the main positioning body 310 and the pipe body 100 after being fixed is improved.
Preferably, the lower ends of the first and second rotating arms 210 and 220 are wedge-shaped, thereby improving the breaking capacity of the first and second rotating arms 210 and 220.
The embodiment also provides a method for cutting by using the electric power pipe cutting device for electric power construction, which comprises the following method steps:
step one, fixing the cutting system 200 outside the pipe body 100 by the engagement component of the positioning system 300;
step two, the arm group carrying the cutting end cuts the upper semicircular part of the pipe body 100, wherein: the arm group consists of a first rotating arm 210 and a second rotating arm 220, wherein the inner sides of the first rotating arm 210 and the second rotating arm 220 are respectively provided with a cutting knife 230, and a cutting end is formed by the cutting knives 230;
and step three, the first rotating arm 210 and the second rotating arm 220 drive the cutting end to complete the cutting of the lower semicircle part of the pipe body 100 through rotation.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. Electric power construction is with electric power pipe cutting device, cutting device is used for cutting body (100) of electric power pipe, its characterized in that: the cutting device comprises a cutting system (200) and a positioning system (300), wherein:
the positioning system (300) comprises two occlusion components, the cutting system (200) is arranged between the two occlusion components, and the two occlusion components are used for encircling the pipe body (100) in a semi-encircling mode and fixing the cutting system (200) on the pipe body (100);
the cutting system (200) comprises an arm group carrying a cutting end and a pushing piece for driving the arm group to carry out displacement, the arm group drives the cutting end to carry out displacement around the outside of the pipe body (100) under the action of the pushing piece, and the cutting end is cut into the pipe body (100) in the process of displacement.
2. The power pipe cutting apparatus for electric power construction according to claim 1, wherein: the single biting assembly comprises a main positioning body (310), wherein the two ends of the main positioning body (310) are rotatably connected with biting claws (311), the biting claws (311) define the opening distance between the two ends of the main positioning body (310) in a rotating mode, and the opening distance is formed by the following steps:
the main positioning body (310) is of a semi-annular structure, and the main positioning body (310) of the semi-annular structure is provided with two end parts;
the main positioning bodies (310) of the two occlusion components are fixedly connected.
3. The power pipe cutting apparatus for electric power construction according to claim 2, wherein: be provided with second hydraulic stem (340) on the outer wall of pawl (311), the flexible end and the pawl (311) of second hydraulic stem (340) rotate to be connected, be provided with on the outer wall of main location body (310) and extend frame (341), the other end of second hydraulic stem (340) with extend frame (341) rotate to be connected.
4. The power pipe cutting apparatus for electric power construction according to claim 2, wherein: the arm set consists of a first rotating arm (210) and a second rotating arm (220), wherein the inner sides of the first rotating arm (210) and the second rotating arm (220) are respectively provided with a cutting knife (230), and a cutting end is formed by the cutting knives (230);
the main locating body (310) is provided with an orientation plate (330) on one side close to each other, two extension plates (331) are symmetrically arranged in the middle of the orientation plate (330), orientation grooves (330A) are formed in the extension plates (331) and the orientation plate (330), orientation heads (240) are arranged on the side walls of the first rotating arm (210) and the second rotating arm (220), the two orientation grooves (330A) are respectively connected with the orientation heads (240) on the side walls of the first rotating arm (210) and the second rotating arm (220), and the orientation heads (240) are oriented through the orientation grooves (330A), so that the first rotating arm (210) and the second rotating arm (220) encircle the periphery of the pipe body (100) to displace.
5. The power pipe cutting apparatus for power construction according to claim 4, wherein: the pushing piece is a first hydraulic rod (251), the first hydraulic rod (251) is provided with two corresponding to the first rotating arm (210) and the second rotating arm (220), the two first hydraulic rods (251) are externally provided with brackets (250), the first hydraulic rod (251) is rotationally connected with the brackets (250), and the telescopic end of the first hydraulic rod (251) is rotationally connected with the corresponding first rotating arm (210) and second rotating arm (220).
6. The power pipe cutting apparatus for electric power construction according to claim 5, wherein: the bracket (250) is a U-shaped structure, and two ends of the U-shaped structure are respectively fixed on the two main positioning bodies (310).
7. The power pipe cutting apparatus for power construction according to claim 4, wherein: the tangent plane of cutting knife (230) is by main tangent plane (231) and follow tangent plane (232), main tangent plane (231) are located the inner ring side of cutting knife (230), follow tangent plane (232) and be located the lower extreme of cutting knife (230), from the intersection of tangent plane (232) and main tangent plane (231) formation diamond-shaped cutting end.
8. The power pipe cutting apparatus for electric power construction according to claim 2, wherein: the claw end of the claw (311) is an arc-shaped surface, the arc-shaped surface of the claw (311) and the inner annular surface of the main positioning body (310) are concentric circles, and rubber layers are arranged on the claw end of the claw (311) and the inner annular surface of the main positioning body (310).
9. The power pipe cutting apparatus for power construction according to claim 4, wherein: the lower ends of the first rotating arm (210) and the second rotating arm (220) are wedge-shaped structures.
10. A method of cutting with the power pipe cutting apparatus for electric power construction according to any one of claims 1 to 9, comprising the method steps of:
step one, fixing the cutting system (200) outside the pipe body (100) by the occlusion component of the positioning system (300);
step two, cutting an upper semicircular part of the pipe body (100) by an arm group carrying a cutting end, wherein: the arm group consists of a first rotating arm (210) and a second rotating arm (220), wherein the inner sides of the first rotating arm (210) and the second rotating arm (220) are respectively provided with a cutting knife (230), and a cutting end is formed by the cutting knives (230);
and thirdly, the first rotating arm (210) and the second rotating arm (220) drive the cutting end to complete cutting of the lower semicircular part of the pipe body (100) through rotation.
CN202310559654.7A 2023-05-18 2023-05-18 Cutting device and cutting method for electric power pipe for electric power construction Pending CN116512342A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310559654.7A CN116512342A (en) 2023-05-18 2023-05-18 Cutting device and cutting method for electric power pipe for electric power construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310559654.7A CN116512342A (en) 2023-05-18 2023-05-18 Cutting device and cutting method for electric power pipe for electric power construction

Publications (1)

Publication Number Publication Date
CN116512342A true CN116512342A (en) 2023-08-01

Family

ID=87408150

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310559654.7A Pending CN116512342A (en) 2023-05-18 2023-05-18 Cutting device and cutting method for electric power pipe for electric power construction

Country Status (1)

Country Link
CN (1) CN116512342A (en)

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