CN108161688B - A kind of natural gas line processing pipeline opening grinding device - Google Patents
A kind of natural gas line processing pipeline opening grinding device Download PDFInfo
- Publication number
- CN108161688B CN108161688B CN201810215429.0A CN201810215429A CN108161688B CN 108161688 B CN108161688 B CN 108161688B CN 201810215429 A CN201810215429 A CN 201810215429A CN 108161688 B CN108161688 B CN 108161688B
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- Prior art keywords
- bistrique
- support
- block
- rod
- connection
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
- B24B27/0683—Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
- B24B27/08—Grinders for cutting-off being portable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of natural gas line processing pipeline opening grinding devices, its structure includes isolation guard circle, bistrique regulation button, bistrique cutter device, polishing bistrique, bistrique protecting border, preceding protection shell, safe handle pad, place supporting pad, electric power connection line, three pin plug, insulating protective layer, heat dissipation ventilation hole, control support button, after protect shell, the front end of three pin plug is installed in the rear end on the right side of electric power connection line, beneficial effects of the present invention: by increasing bistrique cutter device in equipment, when equipment carries out natural gas line processing operation, when natural gas line is in processing, when needing equipment to be cut or damaging excision, the polishing or secondary treatment of the pipeline of natural gas line can quickly be carried out, it not only greatly reduced the workload of staff and ensure that the polishing of the nozzle of natural gas line Quality.
Description
Technical field
The present invention is a kind of natural gas line processing pipeline opening grinding device, belongs to natural gas line grinding apparatus neck
Domain.
Background technique
Pipeline opening grinding device refers in natural gas line connection, for the polishing and connection between the pipeline opening of pipeline
Processing equipment, generally small hand-held is mechanical.
In the prior art, when natural gas line processes polishing operation, natural gas line pipeline opening can usually damage equipment
Bad and more adjoint clasts, and equipment can not quickly carry out processing natural gas line problem, it is often necessary to external device carries out secondary
Processing, not only increases the workload of staff and keeps its natural gas line processing quality lower.
Summary of the invention
It is polished in view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of natural gas line processing with pipeline opening
Device, to solve in the prior art, when natural gas line processes polishing operation, natural gas line pipeline opening usually has equipment
Damage and more adjoint clasts, and equipment can not quickly carry out processing natural gas line problem, it is often necessary to external device carries out two
Secondary processing not only increases the workload of staff and keeps its natural gas line processing quality lower.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of natural gas line processing
With pipeline opening grinding device, structure includes isolation guard circle, bistrique regulation button, bistrique cutter device, polishing bistrique, bistrique
Protecting border, safe handle pad, places supporting pad, electric power connection line, three pin plug, insulating protective layer, heat dissipation at preceding protection shell
Ventilation hole, protects shell at control support button afterwards, and the front end of the three pin plug is installed in the rear end on the right side of electric power connection line,
The left side upper end of the electric power connection line is connected by insulating protective layer with the right end of rear protection shell, protects shell after described
Left end be mechanically connected to before protection shell right end, it is described before protection case nose on the right side of be installed in safe handle pad after
It holds, the heat dissipation ventilation hole is equipped with two or more and protects the rear and front end of shell after being installed in, and protects the upper of shell after described
End is installed in the lower end of control support button, protects the lower end of shell to be welded in the upper end for placing supporting pad after described and is integrated
Change structure, the right end for protecting the left end of shell to be mechanically connected to isolation guard circle before described, the bistrique regulation button is equipped with three
Outside that is a and being installed in isolation guard circle, the middle part of bistrique protecting border left end are flexibly connected the right end of polishing bistrique,
The outer surface thread of the bistrique regulation button is connected to the outside of bistrique protecting border right end, and the polishing bistrique and bistrique are protected
The inside of protective edge frame is equipped with bistrique cutter device, and the upper end for protecting the right end of shell to be welded in insulating protective layer after described is described
Bistrique cutter device includes the first cutting bistrique, spring supporting block, connecting rope, compression spring, the second cutting bistrique, bistrique support
Mechanism, battery, power supply line, fixed conductive plate, connection conductive mechanism, damping spring, spring-support plate, induction transmission mechanism,
Extend support rod, pressure-button, reset spring, T-type limited block, transmission indexing mechanism, motor support bar, isolation protection shell,
It is welded in the upper end for extending support rod on the right side of the pressure-button lower end, is installed in reset on the left of the pressure-button lower end
The upper end of spring, the lower mechanical of the reset spring are connected to the right end of T-type limited block, the upper end weldering of the T-type limited block
It is connected to the upper end of isolation protection outer casing inner wall, the lower gap for extending support rod is matched with the upper end of induction transmission mechanism,
The lower end of the induction transmission mechanism is movably connected on the upper end of spring-support plate, the damping spring set there are two and upper end fill
Set on the lower end of spring-support plate, the lower mechanical of the damping spring is connected to the lower end of isolation protection outer casing inner wall, described
Incude and be connected on the downside of the left side and transmission indexing mechanism right end of transmission mechanism lower end, under the transmission indexing mechanism left end
Side is movably connected on the right side of connection conductive mechanism, and the left end of the connection conductive mechanism is meshed in the right side of bistrique supporting mechanism
It holds, is connected on the left of the lower end and battery upper end of the connection conductive mechanism, the upper end of the battery is equipped with fixation and leads
Battery plate, the inside of the bistrique supporting mechanism are equipped with connecting rope, and the left end of the bistrique supporting mechanism is welded in the first cutting mill
The right end of head and the second cutting bistrique, the lower end of the battery are installed in the lower end of isolation protection outer casing inner wall, the spring
Supporting block set there are two and right end be welded in the first cutting bistrique with second cutting bistrique left end, the spring supporting block outside
The left side of outer casing inner wall is protected on surface by compression spring and isolation, and the outer surface of the pressure-button is outer through isolation protection
The upper of shell left end is protected through isolation in the outer surface of the upside of shell right end, the first cutting bistrique and the second cutting bistrique
Lower two sides, the upper end of the motor support bar are welded in the upper end of isolation protection outer casing inner wall.
Further, the left end of the isolation guard circle is welded in the right end of bistrique protecting border.
Further, the induction transmission mechanism includes third support rod, second support bar, the 4th support rod, two-way company
It connects guide block, lower pressure push-rod, upper pressure push-rod, limited support push rod, auxiliary connection guide wheel, support balance guide plate, be bi-directionally connected
Guide block, inductance balance guide block, first support bar, limit connection transverse slat.
Further, the lower gap for extending support rod is matched with the upper end of inductance balance guide block, and the induction is flat
The left side of weighing apparatus guide block front end is connected by being bi-directionally connected guide block with the front end on the left of support balance guide plate, and the support balance is led
The lower end of plate is movably connected on the upper end of limited support push rod, the auxiliary connection guide wheel set there are two and clearance fit in limit
The left and right ends of push rod are supported, the lower end of the limited support push rod is installed in the upper end of pressure push-rod, and the upper pressure pushes away
The left end lower mechanical of bar is connected to the upper end of lower pressure push-rod, and the lower pressure push-rod, lower end are movably connected on spring branch
The left end of the upper end of fagging, the upper pressure push-rod and lower pressure push-rod is installed in the right end for being bi-directionally connected guide block, described two-way
The left side mechanical of connection guide block is connected to the right end of first support bar, under the upper end of the first support bar and third support rod
End is connected by second support bar, and the middle part of third support rod front end and the middle part of first support bar front end pass through the 4th
Support rod matches, and the upper end of the third support rod is installed on the lower end of limit connection transverse slat.
Further, the transmission indexing mechanism include right side pulley, back-up roller wheel, left side pulley, connection by pressing spring,
Left side rope link block, is flexibly connected block, bi-directional movable axis, lower supporting lug, right support convex block at connection limited block.
Further, the upper end of the limit connection transverse slat is movably connected under lower supporting lug by bi-directional movable axis
End, the upper end of the bi-directional movable axis are welded in the lower end of back-up roller wheel, and it is convex that the right end of the back-up roller wheel is installed in right support
The left end of block, the upper mechanical of the right support convex block are connected to the lower end on the right side of connecting rope, and the right side pulley and left side are sliding
The outer surface of wheel is equipped with connecting rope, and the lower end on the left of the connecting rope is installed in the upper end of left side rope link block, the left side rope
The lower end of link block is welded on the right side of the upper end of connection limited block, and the left end of the connection limited block lower end passes through connection pressing bullet
Spring is connected with the upper end of isolation protection outer casing inner wall, and the lower end of the connection limited block is welded in the upper end for being flexibly connected block.
Further, the connection conductive mechanism include individual motor, center rotating shaft, transmission helical gear, motor terminal,
Plate auxiliary wheel, T-type movable guide plate, support fast pulley, No. three connecting rods, No.1 connecting rod, No. two connecting rods, No. four connecting rods,
Movable guide block, support pulley spindle, pulley guide plate, Bidirectional supporting axis.
Further, the lower end for being flexibly connected block is movably connected on the upper end of No.1 connecting rod, the No.1 connection
The lower end of bar is installed in the upper end of No. two connecting rods, and the middle part of No. two connecting rod front ends is solid by No. four connecting rods and support
The front end of fixed wheel is connected, and the support fast pulley is matched with the middle part of No.1 connecting rod front end by No. three connecting rods, institute
The lower end for stating No. two connecting rods is movably connected on the right end of movable guide block, and the left end of the activity guide block is welded in pulley guide plate
Right end, the lower gap of the pulley guide plate are matched with the upper end of support pulley spindle, and the lower end of the support pulley spindle is welded in
The lower end of isolation protection outer casing inner wall, the upper end of the pulley guide plate pass through the lower end of Bidirectional supporting axis and T-type active conductive plate,
The upper gap of the T-type active conductive plate is matched with the outer surface of plate auxiliary wheel, the plate auxiliary wheel, and the T-type activity is led
By being connected on the right side of power supply line and motor terminal lower end, the upper end of the motor terminal is welded in solely in the left side of battery plate upper end
The lower end of vertical motor, the motor support bar set there are two and lower end be installed in the upper end of individual motor, the individual motor
Left end is mechanically connected to the right end of center rotating shaft, and the left end of the center rotating shaft is threadedly connected to the helical gear right side of transmission
End.
Further, the bistrique supporting mechanism includes transmission latch wheel, No.1 pulley, No. two pulleys, the first rope connection
Block, the second rope link block, No. three pulleys, No. four pulleys, conversion fifth wheel, connection push rod, fixed idler whell, rope fixed block, transmission
Belt.
Further, the helical gear left end of transmission is meshed in the right end of transmission latch wheel, the transmission latch wheel
Front end by driving belt with conversion fifth wheel front end be connected, the company of being movably connected on the outside of the conversion fifth wheel front end
The lower end of push rod is connect, the upper end of the connection push rod is installed in the front end of fixed idler whell, and the rope fixed block is equipped with two or more
And the upper and lower ends of fixed idler whell are welded in, the outer surface of the fixed idler whell rope fixed block is connected by connecting rope and the first rope
Block is connected with the outer wall of the second rope link block, and the outer surface of No. three pulleys and No. four pulleys is equipped with connecting rope, and described one
The outer surface of number pulley and No. two pulleys is equipped with connecting rope, and the left end that the first rope link block restricts link block with second is welded in
The right end of first cutting bistrique and the second cutting bistrique.
Further, the rear protection interior of shell is equipped with motor, and power is provided when being worked for equipment.
Further, the placement supporting pad is plasticized material using rubber, has wear-resisting, non-aging characteristic.
Beneficial effect
A kind of natural gas line processing pipeline opening grinding device of the present invention, is needing to carry out natural gas line using equipment
Pipeline opening process polishing operation when, staff should first by three pin plug even connect with the mains, so that its equipment is passed through power supply
Connecting line is even connected with the mains, and can be worked normally, and when equipment is even connected with the mains, staff can be opened by control support button
Open equipment, in opening of device, polishing bistrique will normal rotation, so that its equipment is polished in time the pipeline of natural gas line
Mouthful, when natural gas line is cut, staff can press pressure-button, when pressure-button moves downward, pressure
Power button will will drive extension support rod and move downward, its inductance balance guide block will be made to tilt down at this point, extending support rod,
And under the connection for being bi-directionally connected guide block, support balance guide plate will also tilt down, and limited support push rod will be connected in auxiliary
It will normally be moved downward under the limit of guide wheel, and make the lower pressure push-rod of pressure push-rod connection thereon while moving downward, double
To under the connection of connection guide block, first support bar will will drive second support bar and move right its third support rod, and allow
It limits connection transverse slat and moves right, and will make its lower supporting lug when the movement of limit connection transverse slat connects lower bi-directional movable axis
It moves downward, and will also be moved downward in the rotation connection lower right supporting lug of back-up roller wheel, to pull connecting rope downward
Movement, and connecting rope can pull connection limited block to move upwards along right side pulley with left side pulley, when connection limited block is upward
It when movement, is moved upwards to pull and be flexibly connected block, allows No.1 connecting rod with No. two connecting rods along the support fast pulley inverse time
Needle rotation leads its T-type active conductive plate with fixation so that pulley guide plate be pulled to move right
Battery plate is connected, and connects at this point, individual motor is connected to the battery, individual motor will normal rotation, and center rotating shaft with
It is driven under helical gear rotation connection, transmission latch wheel will can rotate, and convert fifth wheel under the connection of driving belt drive
Rotation makes it connect push rod and drives fixed idler whell rotation, and when fixed idler whell rotation, rope fixed block will will pull connecting rope, and
Connecting rope will be under the connection of No.1 pulley and No. two pulleys and No. three pulleys and No. four pulleys, and the second rope link block will be drawn
Dynamic second cutting bistrique moves downward, and the first rope link block will the first cutting bistrique move upwards, and the first cutting bistrique
It is equipped with more than two with the second rope link block and all moves out, so that its equipment be enable to cut the pipe of natural gas line in time
Road junction is not needing in use, staff can press pressure-button, and the first cutting bistrique will be received with the second rope link block
Contracting: by increasing bistrique cutter device in equipment, when equipment carries out natural gas line processing operation, work as natural gas line
In processing, when needing equipment to be cut or damaging excision, the polishing or secondary of the pipeline of natural gas line can be quickly carried out
Processing, not only greatly reduced the workload of staff and ensure that the polishing quality of the nozzle of natural gas line.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram that pipeline opening grinding device is used in a kind of natural gas line processing of the present invention.
Fig. 2 is a kind of structural schematic diagram of the working condition of natural gas line processing pipeline opening grinding device of the present invention.
Fig. 3 is a kind of structural representation of the bistrique cutter device of natural gas line processing pipeline opening grinding device of the present invention
Figure one.
Fig. 4 is a kind of structural representation of the bistrique cutter device of natural gas line processing pipeline opening grinding device of the present invention
Figure two.
Fig. 5 is a kind of working condition of the bistrique cutter device of natural gas line processing pipeline opening grinding device of the present invention
Structural schematic diagram.
In figure: isolation guard circle -1, bistrique regulation button -2, bistrique cutter device -3, polishing bistrique -4, bistrique protect side
Frame -5, safe handle pad -7, places supporting pad -8, electric power connection line -9, three pin plug -10, insulation protection at preceding protection shell -6
Layer -11, control support button -13, protects shell -14, the first cutting bistrique -31, spring supporting block-at heat dissipation ventilation hole -12 afterwards
32, connecting rope -33, compression spring -34, second cutting bistrique -35, bistrique supporting mechanism -36, battery -37, power supply line -38,
Fixed conductive plate -39, connection conductive mechanism -310, damping spring -311, spring-support plate -312, induction transmission mechanism -313,
Extend support rod -314, pressure-button -315, reset spring -316, T-type limited block -317, transmission indexing mechanism -318, motor
Support rod -319, isolation protection shell -320, third support rod -3131, second support bar -3132, the 4th support rod -3133,
It is bi-directionally connected guide block -3134, lower pressure push-rod -3135, upper pressure push-rod -3136, limited support push rod -3137, auxiliary connection
Guide wheel -3138, is bi-directionally connected guide block -31310, inductance balance guide block -31311, first support bar-at support balance guide plate -3139
31312, limit connection transverse slat -31313, right side pulley -3181, back-up roller wheel -3182, left side pulley -3183, connection pressing bullet
Spring -3184, left side rope link block -3185, connection limited block -3186, be flexibly connected block -3187, bi-directional movable axis -3188, under
Supporting lug -3189, right support convex block -31810, individual motor -3101, center rotating shaft -3102, transmission helical gear -3103,
Motor terminal -3104, plate auxiliary wheel -3105, T-type active conductive plate -3106, support fast pulley -3107, No. three connecting rods -
3108, -3109, No. two connecting rods -31010 of No.1 connecting rod, No. four connecting rods -31011, movable guide block -31012, support are slided
Wheel shaft -31013, pulley guide plate -31014, Bidirectional supporting axis -31015, transmission latch wheel -3601, No.1 pulley -3602, two
Pulley -3603, the second rope link block -3605, No. three pulleys -3606, No. four pulleys -3607, turns first rope link block -3604
Change fifth wheel -3608, connection push rod -3609, fixed idler whell -36010, rope fixed block -36011, driving belt -36012.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Fig. 1 to Fig. 5 is please referred to, the present invention provides a kind of natural gas line processing pipeline opening grinding device: its structure packet
Include isolation guard circle 1, bistrique regulation button 2, bistrique cutter device 3, polishing bistrique 4, bistrique protecting border 5, preceding protection shell
6, safe handle pad 7, placement supporting pad 8, electric power connection line 9, three pin plug 10, insulating protective layer 11, heat dissipation ventilation hole 12, control
System support button 13, rear protection shell 14, the front end of the three pin plug 10 is installed in the rear end on 9 right side of electric power connection line, institute
The left side upper end for stating electric power connection line 9 is connected by insulating protective layer 11 with the right end of rear protection shell 14, is protected after described
The right end of protection shell 6 before the left end of shell 14 is mechanically connected to, protects before described and is installed in safe hold on the right side of 6 front end of shell
The rear end of pad 7, the heat dissipation ventilation hole 12 is equipped with two or more and protects the rear and front end of shell 14 after being installed in, after described
The upper end of protection shell 14 is installed in the lower end of control support button 13, and the lower end of shell 14 is protected to be welded in placement branch after described
The upper end of stake pad 8 and be integrated, it is described before the left end of protection shell 6 be mechanically connected to the right end of isolation guard circle 1, institute
State the outside that bistrique regulation button 2 sets there are three and is installed in isolation guard circle 1, the middle part of 5 left end of bistrique protecting border
It is flexibly connected the right end of polishing bistrique 4, the outer surface thread of the bistrique regulation button 2 is connected to 5 right end of bistrique protecting border
Outside, the inside of the polishing bistrique 4 and bistrique protecting border 5 is equipped with bistrique cutter device 3, it is described after protection shell 14
Right end is welded in the upper end of insulating protective layer 11, and the bistrique cutter device 3 includes the first cutting bistrique 31, spring supporting block
32, connecting rope 33, the cutting of compression spring 34, second bistrique 35, bistrique supporting mechanism 36, battery 37, power supply line 38, fixation are led
Battery plate 39, damping spring 311, spring-support plate 312, induction transmission mechanism 313, extends support rod at connection conductive mechanism 310
314, pressure-button 315, reset spring 316, T-type limited block 317, transmission indexing mechanism 318, motor support bar 319, isolation are protected
Shell 320 is protected, the upper end for extending support rod 314, the pressure-button 315 are welded on the right side of 315 lower end of pressure-button
The upper end of reset spring 316 is installed on the left of lower end, the lower mechanical of the reset spring 316 is connected to T-type limited block 317
Right end, the upper end of the T-type limited block 317 be welded in isolation protection 320 inner wall of shell upper end, the extension support rod
314 lower gap is matched with the upper end of induction transmission mechanism 313, and the lower end of the induction transmission mechanism 313 is movably connected on
The upper end of spring-support plate 312, the damping spring 311 set there are two and upper end be installed in the lower end of spring-support plate 312, institute
The lower mechanical for stating damping spring 311 is connected to the lower end of isolation protection 320 inner wall of shell, under the induction transmission mechanism 313
It is connected on the downside of the left side at end and transmission 318 right end of indexing mechanism, the downside activity of transmission 318 left end of indexing mechanism connects
It is connected to the right side of connection conductive mechanism 310, the left end of the connection conductive mechanism 310 is meshed in the right side of bistrique supporting mechanism 36
It holds, is connected on the left of the lower end and 37 upper end of battery of the connection conductive mechanism 310, the upper end of the battery 37 is equipped with
Fixed conductive plate 39, the inside of the bistrique supporting mechanism 36 are equipped with connecting rope 33, and the left end of the bistrique supporting mechanism 36 is welded
It is connected to the right end of the first cutting bistrique 31 and the second cutting bistrique 35, the lower end of the battery 37 is installed in isolation protection shell
The lower end of 320 inner walls, the spring supporting block 32 is set there are two and right end is welded in the first cutting bistrique 31 and the second cutting is ground
First 35 left end, the outer surface of the spring supporting block 32 protect the left side of 320 inner wall of shell by compression spring 34 and isolation,
The outer surface of the pressure-button 315 is through the upside of isolation protection 320 right end of shell, the first cutting bistrique 31 and the
Two cutting bistriques 35 outer surfaces through isolation protection 320 left end of shell two sides up and down, the motor support bar 319 it is upper
End is welded in the upper end of isolation protection 320 inner wall of shell, and the left end of the isolation guard circle 1 is welded in bistrique protecting border 5
Right end, the induction transmission mechanism 313 includes third support rod 3131, second support bar 3132, the 4th support rod 3133, two-way
Connect guide block 3134, lower pressure push-rod 3135, upper pressure push-rod 3136, limited support push rod 3137, auxiliary connection guide wheel 3138,
Support balance guide plate 3139 is bi-directionally connected guide block 31310, inductance balance guide block 31311, first support bar 31312, limit connection
Transverse slat 31313, the lower gap for extending support rod 314 are matched with the upper end of inductance balance guide block 31311, and the induction is flat
The left side of weighing apparatus 31311 front end of guide block is connected by being bi-directionally connected guide block 31310 with the front end in 3139 left side of support balance guide plate,
The lower end of the support balance guide plate 3139 is movably connected on the upper end of limited support push rod 3137, and the auxiliary connects guide wheel
3138 set there are two and clearance fit in the left and right ends of limited support push rod 3137, the lower end of the limited support push rod 3137
It is installed in the upper end of pressure push-rod 3136, the left end lower mechanical of the upper pressure push-rod 3136 is connected to lower pressure push-rod
3135 upper end, the lower pressure push-rod 3135, lower end are movably connected on the upper end of spring-support plate 312, the upper pressure
The left end of push rod 3136 and lower pressure push-rod 3135 is installed in the right end for being bi-directionally connected guide block 3134, described to be bi-directionally connected guide block
3134 left side mechanical is connected to the right end of first support bar 31312, and the upper end of the first support bar 31312 and third support
The lower end of bar 3131 is connected by second support bar 3132, the middle part of 3131 front end of third support rod and first support bar
The middle part of 31312 front ends is matched by the 4th support rod 3133, and the upper end of the third support rod 3131 is installed on limit and connects
The lower end of transverse slat 31313 is connect, the transmission indexing mechanism 318 includes right side pulley 3181, back-up roller wheel 3182, left side pulley
3183, connection is by pressing spring 3184, left side rope link block 3185, connection limited block 3186, flexible connection block 3187, bi-directional movable
The upper end of axis 3188, lower supporting lug 3189, right support convex block 31810, the limit connection transverse slat 31313 passes through bi-directional movable
Axis 3188 is movably connected on the lower end of lower supporting lug 3189, and the upper end of the bi-directional movable axis 3188 is welded in back-up roller wheel
3182 lower end, the right end of the back-up roller wheel 3182 are installed in the left end of right support convex block 31810, the right support convex block
31810 upper mechanical is connected to the lower end on 33 right side of connecting rope, the appearance of the right side pulley 3181 and left side pulley 3183
Face is equipped with connecting rope 33, and the lower end in 33 left side of connecting rope is installed in the upper end of left side rope link block 3185, the left side rope
The lower end of link block 3185 is welded on the right side of the upper end of connection limited block 3186, and the left end of connection 3186 lower end of limited block is logical
It crosses connection and is connected by pressing spring 3184 with the upper end of isolation protection 320 inner wall of shell, the lower end of the connection limited block 3186
It is welded in the upper end for being flexibly connected block 3187, the connection conductive mechanism 310 includes individual motor 3101, center rotating shaft
3102, be driven helical gear 3103, motor terminal 3104, plate auxiliary wheel 3105, T-type movable guide plate 3106, support fast pulley 3107,
No. three connecting rods 3108, the connecting rod 31010, four of No.1 connecting rod 3109, two connecting rod 31011, movable guide block 31012,
Pulley spindle 31013, pulley guide plate 31014, Bidirectional supporting axis 31015 are supported, the lower end activity for being flexibly connected block 3187 connects
It is connected to the upper end of No.1 connecting rod 3109, the lower end of the No.1 connecting rod 3109 is installed in the upper end of No. two connecting rods 31010,
The middle part of 31010 front end of No. two connecting rods is connected by No. four connecting rods 31011 with the front end of support fast pulley 3107,
The support fast pulley 3107 is matched with the middle part of 3109 front end of No.1 connecting rod by No. three connecting rods 3108, and described No. two
The lower end of connecting rod 31010 is movably connected on the right end of movable guide block 31012, and the left end of the activity guide block 31012 is welded in
The right end of pulley guide plate 31014, the lower gap of the pulley guide plate 31014 are matched with the upper end of support pulley spindle 31013, institute
State support pulley spindle 31013 lower end be welded in isolation protection 320 inner wall of shell lower end, the pulley guide plate 31014 it is upper
End is by the lower end of Bidirectional supporting axis 31015 and T-type active conductive plate 3106, between the upper end of the T-type active conductive plate 3106
Gap is matched with the outer surface of plate auxiliary wheel 3105, the plate auxiliary wheel 3105, the left side of 3106 upper end of T-type active conductive plate
By being connected on the right side of power supply line 38 and 3104 lower end of motor terminal, the upper end of the motor terminal 3104 is welded in independent electrical
The lower end of machine 3101, the motor support bar 319 set there are two and lower end be installed in the upper end of individual motor 3101, the independence
The left end of motor 3101 is mechanically connected to the right end of center rotating shaft 3102, and the left end of the center rotating shaft 3102 is threadedly coupled
In the right end of transmission helical gear 3103, the bistrique supporting mechanism 36 includes transmission latch wheel 3601, No.1 pulley 3602, two
The rope rope of link block 3604, second of pulley 3603, first pulley 3606, four of link block 3605, three pulley 3607, conversion connection
Wheel 3608, connection push rod 3609, fixed idler whell 36010, rope fixed block 36011, driving belt 36012, the transmission helical gear
3103 left end is meshed in the right end of transmission latch wheel 3601, and the front end of the transmission latch wheel 3601 passes through driving belt
36012 are connected with conversion 3608 front end of fifth wheel, are movably connected on connection on the outside of 3608 front end of conversion fifth wheel and push away
The upper end of the lower end of bar 3609, the connection push rod 3609 is installed in the front end of fixed idler whell 36010, the rope fixed block
36011 are equipped with upper and lower ends that are more than two and being welded in fixed idler whell 36010, the rope of fixed idler whell 36010 fixed block
36011 outer surface is connected by connecting rope 33 with the first rope link block 3604 with the outer wall of the second rope link block 3605, institute
The outer surface for stating No. three pulleys 3606 and No. four pulleys 3607 is equipped with connecting rope 33, the No.1 pulley 3602 and No. two pulleys
3603 outer surface is equipped with connecting rope 33, and the left end that the first rope link block 3604 restricts link block 3605 with second is welded in the
The right end of one cutting bistrique 31 and the second cutting bistrique 35, protects after described and is equipped with motor inside shell 14, carries out work for equipment
As when power is provided, the placement supporting pad 8 is plasticized material using rubber, has wear-resisting, non-aging characteristic.
Three pin plug 10 described in this patent refers to three out of phase firewires, and the voltage between their every both threads is all
380 volts.It is generally used for dynamical system.And household electrical appliance generally use single phase poaer supply to power, three lines are firewire, zero curve and ground
Line, the voltage between firewire and zero curve is 220 volts, so this is not three-phase electricity.Its plug and socket is also not 3-phase plug
And socket, more ground wires, in order that ensureing safety.
It is carrying out in use, staff should first confirm whether natural gas line processing pipeline opening grinding device can be just
Be often used, and whether bistrique cutter device 3 damages, after confirming no problem, this equipment will can be used normally, need using
When the pipeline opening that equipment carries out natural gas line processes polishing operation, staff first should even connect with the mains three pin plug 10,
So that its equipment is even connected with the mains by electric power connection line 9, can work normally, when equipment is even connected with the mains, work people
Member can by control support button 13 open equipment, in opening of device, polishing bistrique 4 will normal rotation, enable its equipment
The pipeline opening of enough natural gas lines of polishing in time, when natural gas line is cut, staff can press pressure by
Button 315, when pressure-button 315 moves downward, pressure-button 315 will will drive extension support rod 314 and move downward, at this point,
Extending support rod 314 will be such that its inductance balance guide block 31311 tilts down, and under the connection for being bi-directionally connected guide block 31310,
Support balance guide plate 3139 will also tilt down, limited support push rod 3137 will auxiliary connection guide wheel 3138 limit under will
It can normally move downward, and make the lower pressure push-rod 3135 of the connection of pressure push-rod 3136 thereon while moving downward, be bi-directionally connected
Under the connection of guide block 3134, first support bar 31312 will will drive second support bar 3132 and make its third support rod 3131 to
Right movement, and its limit connection transverse slat 31313 is allowed to move right, when two-way work under the movement connection of limit connection transverse slat 31313
Moving axis 3188 will be such that its lower supporting lug 3189 moves downward, and in the rotation connection lower right supporting lug of back-up roller wheel 3182
31810 will also move downward, so that connecting rope 33 is pulled to move downward, and connecting rope 33 can be along right side pulley 3181 and a left side
Side roller 3183 pulls connection limited block 3186 to move upwards, when connection limited block 3186 moves upwards, thus pulling activity
Link block 3187 moves upwards, and makes No.1 connecting rod 3109 and No. two connecting rods 31010 counterclockwise along support fast pulley 3107
Rotation, so that pulley guide plate 31014 be pulled to move right, makes its T-type active conductive plate under the connection of Bidirectional supporting axis 31015
3106 are connected with fixed conductive plate 39, at this point, individual motor 3101 is connected with battery 37, individual motor 3101 will be just
Often rotation, and under the rotation connection of center rotating shaft 3102 and transmission helical gear 3103, transmission latch wheel 3601 will can rotate,
And conversion fifth wheel 3608 rotates under the connection of driving belt 36012 drive, so that it is connected push rod 3609 and drives fixed idler whell
36010 rotations, when fixed idler whell 36010 rotates, rope fixed block 36011 will will pull connecting rope 33, and connecting rope 33 will
Under the connection of No.1 pulley 3602 and No. two pulleys 3603 and No. three pulleys 3606 and No. four pulleys 3607, the second rope link block
3605, which will will pull the second cutting bistrique 35, moves downward, and the first rope link block 3604 will the first upward fortune of cutting bistrique 31
It is dynamic, and the first cutting bistrique 31 and the second rope link block 3605 are equipped with more than two and all move out, to enable its equipment
The pipeline opening of enough natural gas lines of cutting in time is not needing in use, staff can press pressure-button 315, first
Cutting bistrique 31 will be shunk with the second rope link block 3605.
In the prior art, equipment is when natural gas line processes polishing operation to problems solved by the invention, natural gas line
Pipeline opening usually has damage and with a little clast, and equipment can not quickly carry out processing natural gas line problem, it is often necessary to
External device carries out secondary treatment, not only increases the workload of staff and keeps its natural gas line processing quality lower,
The present invention is combined with each other by above-mentioned component, by increasing bistrique cutter device in equipment, carries out natural gas in equipment
When pipeline processing operation, when natural gas line processing when, when needing equipment to be cut or damaging excision, can quickly carry out day
The polishing or secondary treatment of the pipeline of right feed channel, not only greatly reduced the workload of staff and ensure that natural gas
The polishing quality of the nozzle of pipeline.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of natural gas line processing pipeline opening grinding device, structure includes isolation guard circle (1), bistrique regulation button
(2), bistrique cutter device (3), polishing bistrique (4), bistrique protecting border (5), preceding protection shell (6), safe handle pad (7),
Place supporting pad (8), electric power connection line (9), three pin plug (10), insulating protective layer (11), heat dissipation ventilation hole (12), control branch
It supports button (13), protect shell (14) afterwards, it is characterised in that:
The front end of the three pin plug (10) is installed in the rear end on the right side of electric power connection line (9), a left side for the electric power connection line (9)
Side upper end is connected by insulating protective layer (11) with the right end of rear protection shell (14), and the left end of shell (14) is protected after described
The right end of protection shell (6) before being mechanically connected to is protected on the right side of shell (6) front end before described and is installed in safe handle pad (7)
Rear end, the heat dissipation ventilation hole (12) is equipped with rear and front end more than two and that shell (14) are protected after being installed in, after described
The upper end of protection shell (14) is installed in the lower end of control support button (13), protects the lower end of shell (14) to be welded in after described
It places the upper end of supporting pad (8) and is integrated, protect the left end of shell (6) to be mechanically connected to isolation guard circle before described
(1) right end, the bistrique regulation button (2) set there are three and are installed in the outside of isolation guard circle (1), the bistrique protection
The middle part of frame (5) left end is flexibly connected the right end of polishing bistrique (4), and the outer surface thread of the bistrique regulation button (2) connects
It is connected to the outside of bistrique protecting border (5) right end, polishing bistrique (4) and the inside of bistrique protecting border (5) are equipped with bistrique
Cutter device (3), the upper end for protecting the right end of shell (14) to be welded in insulating protective layer (11) after described；
The bistrique cutter device (3) includes the first cutting bistrique (31), spring supporting block (32), connecting rope (33), pressure bullet
Spring (34), the second cutting bistrique (35), bistrique supporting mechanism (36), battery (37), power supply line (38), fixed conductive plate
(39), conductive mechanism (310) are connected, damping spring (311), spring-support plate (312), induction transmission mechanism (313), extend branch
Strut (314), pressure-button (315), reset spring (316), T-type limited block (317), transmission indexing mechanism (318), motor branch
Strut (319), isolation protection shell (320)；
The upper end for extending support rod (314), the pressure-button (315) are welded on the right side of pressure-button (315) lower end
The upper end of reset spring (316) is installed on the left of lower end, the lower mechanical of the reset spring (316) is connected to T-type limit
The right end of block (317), the upper end of the T-type limited block (317) is welded in the upper end of isolation protection shell (320) inner wall, described
The lower gap for extending support rod (314) is matched with the upper end of induction transmission mechanism (313), the induction transmission mechanism (313)
Lower end be movably connected on the upper ends of spring-support plate (312), the damping spring (311) set there are two and upper end be installed in bullet
The lower end of spring support plate (312), the lower mechanical of the damping spring (311) are connected to isolation protection shell (320) inner wall
It is connected on the downside of lower end, the left side for incuding transmission mechanism (313) lower end and transmission indexing mechanism (318) right end, it is described
The right side of connection conductive mechanism (310), the connection conductive mechanism are movably connected on the downside of transmission indexing mechanism (318) left end
(310) left end is meshed in the right end of bistrique supporting mechanism (36), the lower end of connection conductive mechanism (310) and battery
(37) it is connected on the left of upper end, the upper end of the battery (37) is equipped with fixed conductive plate (39), the bistrique supporting mechanism
(36) inside is equipped with connecting rope (33), and the left end of the bistrique supporting mechanism (36) is welded in the first cutting bistrique (31) and the
The right end of two cuttings bistrique (35), the lower end of the battery (37) are installed in the lower end of isolation protection shell (320) inner wall, institute
State spring supporting block (32) set there are two and right end be welded in the first cutting bistrique (31) with second cutting bistrique (35) left end,
The outer surface of the spring supporting block (32) protects the left side of shell (320) inner wall by compression spring (34) and isolation, described
The outer surface of pressure-button (315) through isolation protection shell (320) right end upside, it is described first cutting bistrique (31) with
Up and down two sides of the outer surface of second cutting bistrique (35) through isolation protection shell (320) left end, the motor support bar
(319) upper end is welded in the upper end of isolation protection shell (320) inner wall；
The left end of isolation guard circle (1) is welded in the right end of bistrique protecting border (5)；
The induction transmission mechanism (313) includes third support rod (3131), second support bar (3132), the 4th support rod
(3133), guide block (3134), lower pressure push-rod (3135), upper pressure push-rod (3136), limited support push rod are bi-directionally connected
(3137), auxiliary connection guide wheel (3138), support balance guide plate (3139), are bi-directionally connected guide block (31310), inductance balance guide block
(31311), first support bar (31312), limit connection transverse slat (31313)；
The connection conductive mechanism (310) includes individual motor (3101), center rotating shaft (3102), transmission helical gear
(3103), motor terminal (3104), plate auxiliary wheel (3105), T-type movable guide plate (3106), support fast pulley (3107), No. three
Connecting rod (3108), No.1 connecting rod (3109), No. two connecting rods (31010), No. four connecting rods (31011), movable guide block
(31012), pulley spindle (31013), pulley guide plate (31014), Bidirectional supporting axis (31015) are supported.
2. a kind of natural gas line processing pipeline opening grinding device according to claim 1, it is characterised in that: described to prolong
The lower gap for stretching support rod (314) is matched with the upper end of inductance balance guide block (31311), the inductance balance guide block
(31311) left side of front end is connected by being bi-directionally connected guide block (31310) with the front end on the left of support balance guide plate (3139),
The lower end of support balance guide plate (3139) is movably connected on the upper end of limited support push rod (3137), and the auxiliary connection is led
There are two wheel (3138) is set and clearance fit is in the left and right ends of limited support push rod (3137), the limited support push rod
(3137) lower end is installed in the upper end of pressure push-rod (3136), and the left end lower mechanical of the upper pressure push-rod (3136) connects
It is connected to the upper end of lower pressure push-rod (3135), the lower pressure push-rod (3135), lower end are movably connected on spring-support plate
(312) left end of upper end, the upper pressure push-rod (3136) and lower pressure push-rod (3135), which is installed in, is bi-directionally connected guide block
(3134) right end, the left side mechanical for being bi-directionally connected guide block (3134) are connected to the right end of first support bar (31312), institute
The upper end for stating first support bar (31312) is connected with the lower end of third support rod (3131) by second support bar (3132),
The middle part of third support rod (3131) front end and the middle part of first support bar (31312) front end pass through the 4th support rod
(3133) it matches, the upper end of the third support rod (3131) is installed on the lower end of limit connection transverse slat (31313).
3. a kind of natural gas line processing pipeline opening grinding device according to claim 2, it is characterised in that: the biography
Dynamic indexing mechanism (318) include right side pulley (3181), back-up roller wheel (3182), left side pulley (3183), connection by pressing spring
(3184), left side rope link block (3185), connection limited block (3186), be flexibly connected block (3187), bi-directional movable axis (3188),
Lower supporting lug (3189), right support convex block (31810).
4. a kind of natural gas line processing pipeline opening grinding device according to claim 3, it is characterised in that: the limit
The upper end of position connection transverse slat (31313) is movably connected on the lower end of lower supporting lug (3189) by bi-directional movable axis (3188),
The upper end of the bi-directional movable axis (3188) is welded in the lower end of back-up roller wheel (3182), the right end of the back-up roller wheel (3182)
It is installed in the left end of right support convex block (31810), the upper mechanical of the right support convex block (31810) is connected to connecting rope (33)
The lower end on right side, the right side pulley (3181) and the outer surface of left side pulley (3183) are equipped with connecting rope (33), the connection
Lower end on the left of rope (33) is installed in the upper end of left side rope link block (3185), the lower end weldering of left side rope link block (3185)
It is connected on the right side of the upper end of connection limited block (3186), pressing spring is pressed by connection in the left end of described connection limited block (3186) lower end
(3184) it is connected with the upper end of isolation protection shell (320) inner wall, the lower end of connection limited block (3186) is welded in work
The upper end of dynamic link block (3187).
5. a kind of natural gas line processing pipeline opening grinding device according to claim 4, it is characterised in that: the work
The lower end of dynamic link block (3187) is movably connected on the upper end of No.1 connecting rod (3109), under the No.1 connecting rod (3109)
End is installed in the upper end of No. two connecting rods (31010), and the middle part of No. two connecting rods (31010) front end passes through No. four connecting rods
(31011) it is connected with the front end of support fast pulley (3107), the support fast pulley (3107) and No.1 connecting rod (3109)
The middle part of front end is matched by No. three connecting rods (3108), and the lower end of No. two connecting rods (31010) is movably connected on work
The left end of the right end of dynamic guide block (31012), the activity guide block (31012) is welded in the right end of pulley guide plate (31014), described
The lower gap of pulley guide plate (31014) is matched with the upper end of support pulley spindle (31013), the support pulley spindle (31013)
Lower end be welded in isolation protection shell (320) inner wall lower end, the upper end of the pulley guide plate (31014) passes through Bidirectional supporting
The upper gap of the lower end of axis (31015) and T-type active conductive plate (3106), the T-type active conductive plate (3106) is matched with
The left side of the outer surface of plate auxiliary wheel (3105), the plate auxiliary wheel (3105), T-type active conductive plate (3106) upper end is logical
It crosses on the right side of power supply line (38) and motor terminal (3104) lower end and is connected, the upper end of the motor terminal (3104) is welded in solely
The lower end of vertical motor (3101), the motor support bar (319) set there are two and lower end be installed in the upper of individual motor (3101)
End, the left end of the individual motor (3101) is mechanically connected to the right end of center rotating shaft (3102), the center rotating shaft
(3102) left end is threadedly connected to the right end of transmission helical gear (3103).
6. a kind of natural gas line processing pipeline opening grinding device according to claim 5, it is characterised in that: the mill
Head support mechanism (36) includes transmission latch wheel (3601), No.1 pulley (3602), No. two pulleys (3603), the first rope link block
(3604), the second rope link block (3605), No. three pulleys (3606), No. four pulleys (3607), conversion fifth wheel (3608), connection
Push rod (3609), fixed idler whell (36010), rope fixed block (36011), driving belt (36012).
7. a kind of natural gas line processing pipeline opening grinding device according to claim 6, it is characterised in that: the biography
The left end of dynamic helical gear (3103) is meshed in the right end of transmission latch wheel (3601), the front end of transmission latch wheel (3601)
It is connected by driving belt (36012) with conversion fifth wheel (3608) front end, outside described conversion fifth wheel (3608) front end
Side is movably connected on the lower end of connection push rod (3609), and the upper end of connection push rod (3609) is installed in fixed idler whell
(36010) front end, rope fixed block (36011) are equipped with more than two and being welded in fixed idler whell (36010) up and down two
The outer surface at end, fixed idler whell (36010) rope fixed block (36011) passes through connecting rope (33) and the first rope link block
(3604) it is connected with the outer wall of the second rope link block (3605), No. three pulleys (3606) are outer with No. four pulleys (3607)
Surface is equipped with connecting rope (33), and the outer surface of the No.1 pulley (3602) and No. two pulleys (3603) is equipped with connecting rope (33),
The left end of first rope link block (3604) and the second rope link block (3605) is welded in the first cutting bistrique (31) and second
Cut the right end of bistrique (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215429.0A CN108161688B (en) | 2018-03-15 | 2018-03-15 | A kind of natural gas line processing pipeline opening grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215429.0A CN108161688B (en) | 2018-03-15 | 2018-03-15 | A kind of natural gas line processing pipeline opening grinding device |
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| Publication Number | Publication Date |
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| CN108161688A CN108161688A (en) | 2018-06-15 |
| CN108161688B true CN108161688B (en) | 2019-10-01 |
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| WO2015179364A2 (en) * | 2014-05-19 | 2015-11-26 | Black & Decker Inc. | Cycle-by-cycle current limit for power tools having a brushless motor |
| CN206425923U (en) * | 2016-12-08 | 2017-08-22 | 安徽金元素复合材料有限公司 | A kind of composite metal plate chamfering sanding apparatus |
| CN206614384U (en) * | 2017-01-26 | 2017-11-07 | 广东光耀玻璃有限公司 | A kind of glass-cutting polishing all-in-one |
| CN107471050A (en) * | 2017-09-26 | 2017-12-15 | 文永林 | Pipeline opening sanding apparatus is used in a kind of natural gas line processing |
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2018
- 2018-03-15 CN CN201810215429.0A patent/CN108161688B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2339347Y (en) * | 1998-10-16 | 1999-09-22 | 北京紫玉电子产品厂 | Multifunction cutting-grinding machine |
| US6048260A (en) * | 1999-07-01 | 2000-04-11 | Roto-Zip Tool Corporation | Angle attachment for power tool |
| CN2902621Y (en) * | 2006-04-27 | 2007-05-23 | 李长城 | Pipehead cutting shaping device |
| CN102186635A (en) * | 2008-10-20 | 2011-09-14 | Ceka电动工具两合公司 | Tool unit for an electric tool, and method for operating an electric tool |
| WO2015179364A2 (en) * | 2014-05-19 | 2015-11-26 | Black & Decker Inc. | Cycle-by-cycle current limit for power tools having a brushless motor |
| CN206425923U (en) * | 2016-12-08 | 2017-08-22 | 安徽金元素复合材料有限公司 | A kind of composite metal plate chamfering sanding apparatus |
| CN206614384U (en) * | 2017-01-26 | 2017-11-07 | 广东光耀玻璃有限公司 | A kind of glass-cutting polishing all-in-one |
| CN107471050A (en) * | 2017-09-26 | 2017-12-15 | 文永林 | Pipeline opening sanding apparatus is used in a kind of natural gas line processing |
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| Publication number | Publication date |
|---|---|
| CN108161688A (en) | 2018-06-15 |
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