CN110014360B - Be used for electric power construction electric power pipe cutting device - Google Patents

Be used for electric power construction electric power pipe cutting device Download PDF

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Publication number
CN110014360B
CN110014360B CN201910200948.4A CN201910200948A CN110014360B CN 110014360 B CN110014360 B CN 110014360B CN 201910200948 A CN201910200948 A CN 201910200948A CN 110014360 B CN110014360 B CN 110014360B
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China
Prior art keywords
lifting
connecting rod
driving
cutting
hinge point
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CN201910200948.4A
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Chinese (zh)
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CN110014360A (en
Inventor
周超
周晔
李奇翀
张静怡
李大东
方思远
王博宇
毛辉
陈琦
李剑锋
赵猛
郑云强
徐庆林
马雪波
毛风彬
王杨
刘娜
杨宇
李志英
潘峰
初蕾
董羽
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Priority to CN201910200948.4A priority Critical patent/CN110014360B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/06Grinders for cutting-off
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/02Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
    • B24B47/04Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/02Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sawing (AREA)

Abstract

The invention discloses a power pipe cutting device for power construction, and belongs to the field of power construction equipment. The device includes: a base; the lifting bracket is provided with a lifting chute and a reversing tooth groove, and a reversing rack is arranged in the reversing tooth groove; the mounting plate is provided with a lifting slide block matched with the lifting chute, and the lifting slide block is slidably arranged in the lifting chute; the cutting device comprises a cutting motor and a cutting blade, and the cutting motor is arranged on the mounting plate and is used for driving the cutting blade to rotate; the intermittent device comprises a first transmission gear, a second transmission gear, a transmission shaft and an incomplete gear, wherein the first transmission gear is coaxially arranged on an output shaft of the cutting motor in a driving mode. The invention can realize intermittent far away from the pipe fitting and close to the pipe fitting, no cutting is generated when the pipe fitting is far away, the grinding wheel rotates, the heat is taken away by the airflow generated by high-speed rotation, and the machine is not stopped because of too large cutting amount.

Description

Be used for electric power construction electric power pipe cutting device
Technical Field
The invention relates to the field of power construction equipment, in particular to a power pipe cutting device for power construction.
Background
Currently, most of the cutting operations for pipes, particularly stainless steel pipes, are performed by abrasive wheel sawing. The abrasive wheel saw has the advantages of high cutting speed and high efficiency, and can be widely applied to various materials. However, in the using process, the grinding wheel and the pipe generate a large amount of heat by friction, and the grinding wheel is often cooled by air cooling or cooling liquid to prevent the service life of the grinding wheel from being reduced. In addition, for some pipes made of hard materials, the friction force is large during cutting, so that the friction force borne by the grinding wheel is often larger than the driving force, and the rotating speed is reduced or even the rotation is stopped. The reason that the grinding wheel is stressed too much is that the cutting speed is too high, the cutting tool amount during cutting is large, when the cutting tool amount is large, the contact area of the grinding wheel and the pipe is increased, the resistance is increased, and if the cutting tool amount is small, the cutting speed is too low, and the cutting efficiency is reduced.
Disclosure of Invention
The invention provides a power pipe cutting device for power construction, which can solve the problems that the power pipe cutting device in the prior art needs an additional cooling device and is easy to stop rotating due to overlarge stress of a grinding wheel.
A power pipe cutting apparatus for power construction, comprising:
a base;
the lifting bracket is provided with a lifting chute and a reversing tooth groove, and a reversing rack is arranged in the reversing tooth groove;
the mounting plate is provided with a lifting slide block matched with the lifting chute, and the lifting slide block is slidably arranged in the lifting chute;
the cutting device comprises a cutting motor and a cutting blade, and the cutting motor is arranged on the mounting plate and is used for driving the cutting blade to rotate;
the intermittent device comprises a first transmission gear, a second transmission gear, a transmission shaft and an incomplete gear, wherein the first transmission gear is coaxially driven and arranged on an output shaft of the cutting motor, the transmission shaft is rotatably arranged on the mounting plate, the second transmission gear and the incomplete gear are fixedly arranged at two ends of the transmission shaft, the second transmission gear is meshed with the first transmission gear, and the incomplete gear is intermittently meshed with the reversing rack.
Preferably, the lifting device comprises a lifting motor, a lifting screw and a guide post, wherein the lifting motor is fixedly mounted on the base and used for driving the lifting screw to rotate, the guide post is fixedly mounted on the base, a lifting threaded hole matched with the lifting screw and a guide hole used for accommodating the guide post are formed in the lifting support, and the lifting support is driven to move up and down when the lifting screw rotates.
Preferably, the clamping device comprises a pressing block, a first connecting rod, a second connecting rod, a third connecting rod, a driving seat, a clamping seat and a driving screw rod, wherein one end of the first connecting rod is hinged to the pressing block, the other end of the first connecting rod is hinged to the clamping seat, one end of the second connecting rod is hinged to the pressing block, the middle of the second connecting rod is hinged to the clamping seat, the other end of the second connecting rod is hinged to one end of the third connecting rod, the other end of the third connecting rod is hinged to the driving seat, a driving threaded hole matched with the driving screw rod is formed in the clamping seat, the driving screw rod is arranged in the driving threaded hole, one end of the driving screw rod is rotatably arranged on the driving seat, and the driving seat is driven to move back and forth when the driving screw rod rotates; the hinge point of the first connecting rod and the pressing block, the hinge point of the first connecting rod and the clamping seat, the hinge point of the second connecting rod and the pressing block, and the hinge point of the middle part of the second connecting rod and the clamping seat are located on four vertexes of a parallelogram, and the hinge point of the first connecting rod and the pressing block and the hinge point of the second connecting rod and the pressing block are located on a vertical line.
Preferably, a hinge point of the second connecting rod and the pressing block, a hinge point of the middle part of the second connecting rod and the clamping seat, and a hinge point of the second connecting rod and the third connecting rod are located on three vertexes of a triangle.
Preferably, the handle further comprises a knob, and the knob is fixedly arranged at one end of the drive screw rod, which is far away from the drive seat.
The invention provides a power pipe cutting device for power construction, wherein when a cutting motor rotates, a first transmission gear is driven to rotate, the first transmission gear drives a second transmission gear to rotate so as to drive an incomplete gear to rotate, the incomplete gear intermittently meshes with a reversing rack during rotation, when the incomplete gear meshes with the reversing rack, a mounting plate is driven to move upwards so as to drive the cutting motor to move upwards and finally drive a cutting piece to move upwards and be far away from a pipe fitting, and when the incomplete gear is separated from the reversing rack, the mounting plate slides downwards under the action of gravity, so that intermittent pipe fitting far away and pipe fitting close are realized, cutting is not generated when the pipe fitting is far away, and at the moment, the rotation of a grinding wheel takes away heat by virtue of airflow generated by high-speed rotation, and shutdown is not.
Drawings
Fig. 1 is a first schematic structural diagram of a power pipe cutting device for power construction according to the present invention;
fig. 2 is a schematic structural diagram ii of a power pipe cutting device for power construction according to the present invention;
FIG. 3 is a front view of FIG. 2;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
fig. 6 is a sectional view taken along line B-B in fig. 4.
Description of reference numerals:
10. the cutting machine comprises a cutting motor 11, a cutting blade 12, a mounting plate 121, a lifting slide block 13, a lifting support 131, a reversing tooth groove 132, a lifting sliding groove 20, a lifting motor 21, a lifting screw rod 22, a guide column 30, a first transmission gear 31, a second transmission gear 311, a transmission shaft 32, an incomplete gear 40, a pressing block 401, a guide inclined plane 41, a first connecting rod 42, a second connecting rod 43, a third connecting rod 44, a clamping seat 45, a driving seat 46 and a driving screw rod.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1 and fig. 6, an embodiment of the present invention provides a cutting device for an electric power construction power pipe, including:
a base;
as shown in fig. 2, the lifting support 13 is provided with two lifting chutes 132 and two reversing tooth slots 131, the two lifting chutes 132 are symmetrically arranged on two sides of the reversing tooth slot 131 to play a guiding role, and the reversing tooth slot 131 is internally provided with a reversing rack which can be fixedly arranged in the reversing tooth slot 131 or can be directly and integrally formed with the reversing tooth slot 131;
the mounting plate 12 is provided with lifting sliders 121 matched with the lifting chutes 132, the number of the lifting sliders 121 corresponds to the number of the lifting chutes 132 one by one, the lifting chutes 132 are vertically arranged, and the lifting sliders 121 are slidably arranged in the lifting chutes 132 and used for limiting the mounting plate 12, so that the mounting plate 12 can only move up and down without offset in other directions;
the cutting device comprises a cutting motor 10 and a cutting blade 11, wherein the cutting motor 10 is installed on the installation plate 12 and used for driving the cutting blade 11 to rotate, and when the installation plate 12 moves up and down, the cutting motor 10 is driven to move up and down synchronously;
an intermittent device, which comprises a first transmission gear 30, a second transmission gear 31, a transmission shaft 311 and an incomplete gear 32, wherein the first transmission gear 30 is coaxially driven and arranged on an output shaft of a cutting motor 10, the transmission shaft 311 is rotatably arranged on the mounting plate 12, the second transmission gear 31 and the incomplete gear 32 are fixedly arranged at two ends of the transmission shaft 311, the second transmission gear 31 is meshed with the first transmission gear 30, the incomplete gear 32 extends into a reversing tooth groove 131 and is intermittently meshed with the reversing tooth rack, the incomplete gear 32 is provided with incomplete teeth, and in the rotating process, the intermittent teeth are meshed with racks at the left side and the right side, when the motor rotates, the cutting blade 11 and the first transmission gear 30 are driven to synchronously rotate, the first transmission gear 30 drives the second transmission gear 31 to rotate, and the second transmission gear 31 drives the incomplete gear 32 to rotate through the transmission shaft 311, because the mounting plate 12 can only move up and down, when the incomplete gear 32 is meshed with the rack on one side, the mounting plate 12 is driven to move up, and when the incomplete gear 32 rotates a certain angle and is meshed with the rack on the other side, the mounting plate 12 is driven to move down, of course, it can be understood that a reversing rack can be arranged on one side, so that the mounting plate 12 is driven to move up when the incomplete gear 32 is meshed with the reversing rack, and when the incomplete gear 32 is separated from the reversing rack, the mounting plate 12 can freely fall under the action of gravity, and when the incomplete gear 32 is meshed with the reversing rack, the mounting plate 12 is driven to move up again, as long as the meshing ratio of the incomplete gear 32 and the reversing rack is reasonably set, according to the weights of the mounting plate 12, a motor and other components, the free falling distance of the mounting plate 12 can be. Wherein the height of the lifting bracket 13 can be adjusted in a manner known in the art.
In order to adjust the height of the lifting bracket 13 conveniently, the lifting device further comprises a lifting device, the lifting device comprises a lifting motor 20, a lifting screw 21 and a guide post 22, the lifting motor 20 is fixedly mounted on the base and used for driving the lifting screw 21 to rotate, the guide post 22 is fixedly mounted on the base, a lifting threaded hole matched with the lifting screw 21 and a guide hole used for accommodating the guide post 22 are formed in the lifting bracket 13, the lifting screw 21 is driven to move up and down when rotating, the guide post 22 is matched with the guide hole to enable the lifting bracket 13 not to rotate and only to move up and down, the lifting motor 20 is driven to rotate the lifting screw 21, the lifting screw 21 is driven to move up and down when rotating, and therefore the height of the lifting bracket 13 is adjusted.
Because the electric power tube has higher requirement on the installation precision when being installed in a butt joint way, the installation precision is generally closely related to the verticality of the cutting surface and the axial lead of the tube, the end surface is cut smoothly, the verticality with the axial lead is high, and the installation precision is always better controlled. Therefore, in the present embodiment, the clamping device is further included, which comprises a pressing block 40, a first connecting rod 41, a second connecting rod 42, a third connecting rod 43, a driving seat 45, a clamping seat 44 and a driving screw 46, one end of the first connecting rod 41 is hinged on the pressing block 40, the other end is hinged on the clamping seat 44, one end of the second connecting rod 42 is hinged on the pressing block 40, the middle part is hinged on the clamping seat 44, the other end of the second connecting rod 42 is hinged with one end of the third connecting rod 43, the other end of the third connecting rod 43 is hinged on the driving seat 45, a driving threaded hole matched with the driving screw rod 46 is formed on the clamping seat 44, the driving screw rod 46 is arranged in the driving threaded hole, one end of the driving screw rod 46 is rotatably arranged on the driving seat 45, and when the driving screw rod 46 rotates, the driving seat 45 is driven to move back and forth; the hinge point of the first connecting rod 41 and the pressing block 40, the hinge point of the first connecting rod 41 and the clamping seat 44, the hinge point of the second connecting rod 42 and the pressing block 40, and the hinge point of the middle part of the second connecting rod 42 and the clamping seat 44 are located at four vertexes of a parallelogram, and the hinge point of the first connecting rod 41 and the pressing block 40 and the hinge point of the second connecting rod 42 and the pressing block 40 are on a vertical line. As shown in fig. 3, in use, the driving screw 46 is engaged with the clamping seat 44 by rotating the driving screw 46, wherein the clamping seat 44 is fixedly mounted on the base, the driving screw 46 drives the driving seat 45 to move backwards when rotating, the driving seat 45 pulls the third connecting rod 43 to move backwards when moving backwards, the third connecting rod 43 drives the second connecting rod 42 to move, the second connecting rod 42 rotates along the hinge point between the middle part and the clamping seat 44 because the middle part of the second connecting rod 42 is hinged on the clamping seat 44, and simultaneously, because the hinge point between the first connecting rod 41 and the pressing block 40, the hinge point between the first connecting rod 41 and the clamping seat 44, the hinge point between the second connecting rod 42 and the pressing block 40, and the hinge point between the middle part of the second connecting rod 42 and the clamping seat 44 are located on four vertices of a parallelogram, that is, four hinge points form a parallelogram structure, when the second connecting rod 42 is turned over, can drive first connecting rod 41 and overturn in step, and because parallelogram structure's particularity, the pin joint of second connecting rod 42 and briquetting 40 and the pin joint of first connecting rod 41 and briquetting 40 are all the time on a vertical line, therefore when second connecting rod 42 drives first connecting rod 41 motion, can drive briquetting 40 motion in step, and briquetting 40 can remain the level all the time, briquetting 40 is in the motion process promptly, can support and keep the level to reciprocate, and can not take place to rotate, thereby cause the pipe fitting of different diameters to cause the unable tight problem of clamp when the centre gripping. In addition, the bottom surface of briquetting 40 is seted up inside sunken V font notch, and when compressing tightly the pipe fitting, the V font notch can make the pipe fitting realize self-align, and two guide inclined plane 401 of V font notch are tangent with the excircle of pipe fitting, and the guide inclined plane 401 of the left and right sides forms the extrusion to the pipe fitting, makes the automatic pendulum of pipe fitting positive.
Specifically, the hinge point of the second link 42 and the pressing block 40, the hinge point of the middle portion of the second link 42 and the clamping seat 44, and the hinge point of the second link 42 and the third link 43 are located at three vertices of a triangle.
In order to facilitate the rotation of the driving screw 46, the driving screw further comprises a knob fixedly disposed at an end of the driving screw 46 away from the driving seat 45.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims (3)

1. A be used for electric power construction electric power pipe cutting device which characterized in that includes:
a base;
the lifting bracket is provided with a lifting chute and a reversing tooth groove, and a reversing rack is arranged in the reversing tooth groove;
the mounting plate is provided with a lifting slide block matched with the lifting chute, and the lifting slide block is slidably arranged in the lifting chute;
the cutting device comprises a cutting motor and a cutting blade, and the cutting motor is arranged on the mounting plate and is used for driving the cutting blade to rotate;
the intermittent device comprises a first transmission gear, a second transmission gear, a transmission shaft and an incomplete gear, the first transmission gear is coaxially arranged on an output shaft of the cutting motor in a driving mode, the transmission shaft is rotatably arranged on the mounting plate, the second transmission gear and the incomplete gear are fixedly arranged at two ends of the transmission shaft, the second transmission gear is meshed with the first transmission gear, and the incomplete gear is intermittently meshed with the reversing rack;
the lifting device comprises a lifting motor, a lifting screw rod and a guide post, wherein the lifting motor is fixedly arranged on the base and used for driving the lifting screw rod to rotate, the guide post is fixedly arranged on the base, a lifting threaded hole matched with the lifting screw rod and a guide hole used for accommodating the guide post are formed in the lifting support, and the lifting support is driven to move up and down when the lifting screw rod rotates;
the clamping device comprises a pressing block, a first connecting rod, a second connecting rod, a third connecting rod, a driving seat, a clamping seat and a driving screw rod, wherein one end of the first connecting rod is hinged to the pressing block, the other end of the first connecting rod is hinged to the clamping seat, one end of the second connecting rod is hinged to the pressing block, the middle of the second connecting rod is hinged to the clamping seat, the other end of the second connecting rod is hinged to one end of the third connecting rod, the other end of the third connecting rod is hinged to the driving seat, the clamping seat is provided with a driving threaded hole matched with the driving screw rod, the driving screw rod is arranged in the driving threaded hole, one end of the driving screw rod is rotatably arranged on the driving seat, and the driving seat is driven to move back and forth when the driving screw rod rotates; the hinge point of the first connecting rod and the pressing block, the hinge point of the first connecting rod and the clamping seat, the hinge point of the second connecting rod and the pressing block, and the hinge point of the middle part of the second connecting rod and the clamping seat are located on four vertexes of a parallelogram, and the hinge point of the first connecting rod and the pressing block and the hinge point of the second connecting rod and the pressing block are located on a vertical line.
2. The apparatus as claimed in claim 1, wherein a hinge point of the second link to the pressing block, a hinge point of a middle portion of the second link to the holder, and a hinge point of the second link to the third link are located at three vertices of a triangle.
3. The electric power construction electric power pipe cutting device as claimed in claim 2, further comprising a knob fixedly disposed at an end of the driving screw remote from the driving seat.
CN201910200948.4A 2019-03-09 2019-03-09 Be used for electric power construction electric power pipe cutting device Active CN110014360B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910200948.4A CN110014360B (en) 2019-03-09 2019-03-09 Be used for electric power construction electric power pipe cutting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910200948.4A CN110014360B (en) 2019-03-09 2019-03-09 Be used for electric power construction electric power pipe cutting device

Publications (2)

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CN110014360A CN110014360A (en) 2019-07-16
CN110014360B true CN110014360B (en) 2021-01-01

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111546403B (en) * 2020-05-21 2021-07-30 义乌市丹航科技有限公司 Plastic tubing equidistance is cut device
CN111589946B (en) * 2020-06-17 2021-09-28 松阳县景顺实业有限公司 High-performance copper strip automatic processing equipment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206065567U (en) * 2016-08-26 2017-04-05 江西华东船业有限公司 A kind of section cutter sweeps such as shipbuilding stainless steel tube
CN207014423U (en) * 2017-06-03 2018-02-16 广东恒正建设集团有限公司 A kind of hydraulic engineering PVC efficient cutting
CN107584166A (en) * 2017-10-10 2018-01-16 采泉 A kind of cast-iron pipe segmented cutter device

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