CN209425885U - Arc track wall sawing machine - Google Patents
Arc track wall sawing machine Download PDFInfo
- Publication number
- CN209425885U CN209425885U CN201821449050.8U CN201821449050U CN209425885U CN 209425885 U CN209425885 U CN 209425885U CN 201821449050 U CN201821449050 U CN 201821449050U CN 209425885 U CN209425885 U CN 209425885U
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- track
- sawing machine
- arc
- wall sawing
- wall
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 239000000498 cooling water Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 210000000988 bone and bone Anatomy 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 241001133184 Colletotrichum agaves Species 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Abstract
The utility model provides a kind of arc track wall sawing machine, so that track is easily bent into the radian being bonded with the track bed of arc by the way that track is processed into keel shape, and do not change the support strength of track, also reusable；Track bed is that sectional design facilitates installation and dismounting；Wall sawing machine head quick release and installation, arc track extrados and tunnel inner wall have suitable gap, and arc track and trolley is facilitated to move in tunnel；Motor passes in and out oil pipe vertical arc rail section direction arrangement, does not influence wall sawing machine cutting, has compressed the thickness of wall sawing machine head, so that wall sawing machine head has maximum passability between arc track and tunnel inner wall；The engagement center of feed wheel and rack avoids the variation of track radian from causing away cutter tooth wheel and rack gear disengaging or dieback on the central cross-section of left and right wheels；Being provided with flexible adjustment device engages idler wheel with multi-radian arc track, guarantees to walk cutter tooth wheel between the rollers 27 and 28 on center；The problem of also solving shield protection.
Description
Technical field
The utility model relates to railway technology field more particularly to a kind of arc track wall sawing machines.
Background technique
In vcehicular tunnel, railway tunnel and high-speed rail tunnel long-term use process, when part Tunnel Repair or upgrading
Need to carry out former tunnel wall overburden operation, usual manner is to carry out broken using big gun machine or install one meter using wall sawing machine
Long straight rail carries out segmentation cutting, also has by the way of the cutting of wall sawing machine multi-radian arc track, multi-radian arc track is cut
It is segmented into static(al) cutting, the building retained needs is not damaged, cleavable armored concrete and steel construction, when cutting tunnel,
Can be bonded tunnel radian by tunnel radian carry out multi-radian cutting, but the prior art multi-radian arc track cutting exist with
Lower problem: arc track, can be because tunnel inner wall out-of-flatness causes when track is mobile apart from tunnel inner wall distance 10cm or so
Arc track, which can not move integrally, to be passed through, and needs to dismantle segmentation movement；Arc track one station of every movement, requires to fill again
It is clamping to determine arc track to tunnel inner wall, cause the opposite installation of efficiency mobile trolley used much lower.
Therefore, the existing technology needs to be improved and developed.
Utility model content
In view of the deficiencies in the prior art, the utility model aim is to provide a kind of arc track wall sawing machine, this is practical new
Type makes track be easily bent into the radian being bonded with the track bed of arc, while again not by the way that track is processed into keel shape
Change the support strength of track, and keel shape track is reusable；Track bed is sectional design, repeatable to be installed to shifting
Can also facilitate on dynamic trolley from mobile trolley used upper dismounting, track bed be installed to it is mobile trolley used it is upper after, then keel type track installation
Onto track bed, composition arc track is mobile trolley used；Wall sawing machine head can be quickly installed to arc track extrados, can also be quick
Disassembly, and arc track extrados and tunnel inner wall have the gap of 30-40cm or so, facilitate arc track and trolley in tunnel
Interior movement；All motor disengaging of the utility model oil pipe vertical arc rail section direction arrangement, does not influence wall sawing machine cutting, and
And the thickness of wall sawing machine head is had compressed, so that wall sawing machine head has in small space between arc track and tunnel inner wall
Maximum passability；The engagement center of feed wheel and rack avoids changing due to track radian on the central cross-section of left and right wheels
The case where causing away cutter tooth wheel and rack gear disengaging or dieback；It is provided with flexible adjustment device in each wheel group, makes idler wheel and multi-radian
Arc track engagement, guarantees to walk cutter tooth wheel to adapt to automatically with track rack gear between the rollers 27 and 28 on center；Using connecting rod idler wheel
Slide rod device, guarantees water supply device directional swing, cooling water enter after wall sawing machine by connecting rod, water seal frame, ring flange then from
Saw blade two sides uniformly spray cooling saw blade；Water cover is closed the side on saw blade far from tunnel metope, so that the biggish shield of volume
Cover is not take up the small space between arc track and tunnel inner wall completely, easy to install and use；Water cover idler wheel is caught in water seal
It is moved on frame, for water seal frame with the directional swing campaign of saw blade ring flange, water cover and saw blade are concentric always and opposing stationary, follow
The swaying direction movement of saw blade is played the role of protecting saw blade and not additional occupied space.
The utility model be reach said effect, the technical solution adopted is as follows:
A kind of arc track wall sawing machine, including arc track component, and be slidably connected on the arc track component
Wall sawing machine head；The arc track component includes the track bed of arc, and the keel shape track on the track bed is arranged in,
And the locking member for fastening the track bed and keel shape track；
The keel shape track is integrally formed or the keel shape track is that several track elements are spliced；
The track bed is I-steel, and track bed is spliced for segmented；
The arc track wall sawing machine is mounted on mobile trolley used；
It is provided with along the arc track component slippage on the wall sawing machine head and is separately positioned on the wall saw
With the front wheels and rear wheels of rear side on front side of machine head, the front wheels and rear wheels all include left and right settings in each wheel group
Revolver and right wheel, the revolver and right wheel are located at the two sides of the arc track component, keel shape top of the rail edge
Orbital direction be provided with rack gear, be located between the revolver and right wheel in the front wheels and/or rear wheels be provided with
Cutter tooth wheel is walked in rack gear engagement, the engagement center of the feed wheel and rack on revolver and the central cross-section of right wheel,
Be provided in the front wheels and/or rear wheels for drive it is described walk cutter tooth wheel rotation the first motor；
The wall sawing machine head further includes the first wobble component being rotatably connected on the left of wall sawing machine head, is rotatably connected
The second wobble component being connected on the left of first wobble component, and it is connected to the sliding slot of wall sawing machine head bottom, institute
The one end for stating the second wobble component is slidably connected in the sliding slot, first wobble component and second wobble component
The ring flange being provided on the left of second wobble component at tie point is connected with saw blade, the wall on the ring flange
It is located at second be provided on the right side of first wobble component for driving the first wobble component swing on saw head
Motor is so that saw blade adjustment cutting angle and depth；
It is located at the be provided on the right side of second motor for driving the saw blade rotation on the wall sawing machine head
Three motors, the third motor pass through the gear assembly being arranged in first wobble component and drive the saw blade rotation；
Second wobble component includes swing rod and the water seal frame that swing rod two sides are arranged in, and is provided on the water seal frame
Cooling water inlet, the cooling water is by spraying after the water seal frame from the ring flange with the cooling saw blade；
Arc-shaped water cover is provided on the water seal frame, the water the cover closes the separate tunnel metope on the saw blade
Side；
Flexible adjustment device is provided in the front wheels and the rear wheels.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Embodiment and its explanation please is not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model arc track wall sawing machine embodiment.
Fig. 2 is the partial structural diagram of arc track component.
Fig. 3 is the structural schematic diagram of Section A-A in Fig. 2.
Fig. 4 is the partial structural diagram of keel shape track.
Fig. 5 is the partial structural diagram of the utility model arc track wall sawing machine embodiment.
Fig. 6 is the structural scheme of mechanism of wall sawing machine head.
Fig. 7 is the structural schematic diagram that the first swing rod of wall sawing machine head swings 90 ° in Fig. 6.
Fig. 8 is the schematic view of the front view that wall sawing machine head is fitted without saw blade and water cover in Fig. 6.
Fig. 9 is the structural schematic diagram of section B-B in Fig. 8.
Figure 10 is the structural schematic diagram in the section C-C in Fig. 8.
Figure 11 is the simplified structure diagram for walking cutter tooth wheel setting in the prior art.
Figure 12 is the rough schematic view that feed wheel and rack is detached from the prior art.
Figure 13 is the rough schematic view of feed wheel and rack dieback in the prior art.
Figure 14 is the simplified structure diagram that the utility model walks cutter tooth wheel setting.
Specific embodiment
Presently filed embodiment is described in detail below in conjunction with accompanying drawings and embodiments, how the application is applied whereby
Technological means solves technical problem and reaches the realization process of technical effect to fully understand and implement.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combine.
In the description of the present invention, it should be understood that term "front", "rear", "left", "right", "upper", "lower"
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, and being merely for convenience of description, this is practical
Novel and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific side
Position construction and operation, therefore should not be understood as limiting the present invention.
Fig. 1 ~ Figure 13 is please referred to, Fig. 1 is the structural schematic diagram of the utility model arc track wall sawing machine embodiment, such as Fig. 1
Shown, the utility model arc track wall sawing machine includes arc track component 10 and wall sawing machine head 20, and wall sawing machine head 20 is sliding
Dynamic to be connected on arc track component 10, wall sawing machine head 20 can be moved along arc track component 10, be carried out to tunnel wall
Cutting.When specific operation, arc track component 10 can be fixed on track wall, arc track component 10 can also be installed
On mobile trolley used 30, as shown in Figure 1, arc track component 10 is installed on mobile trolley used 30, it can be quickly and easily
It is mobile, improve cutting efficiency.After arc track component 10 is installed on mobile trolley used 30, make arc track component 10 and tunnel
Road metope distance is 30-40mm or so, moves in tunnel convenient for arc track component 10, tunnel internal out-of-flatness is avoided to cause
The case where arc track component 10 can not pass through.
Fig. 2 is the partial structural diagram of arc track component, as shown in Fig. 2, arc track component 10 includes track bed
11, keel shape track 12 and locking member 13, keel shape track 12 is mounted on track bed 11, then by locking member 13 by its
Locking.Fig. 3 is the sectional view of Section A-A in Fig. 2, as shown in figure 3, track bed 11 generally uses I-steel, by I-shaped
Steel bends to radian corresponding with tunnel metope and is easier to realize, can be incited somebody to action by processing methods such as pattern or bending machines
I-steel is bent camber, is to compare by track in the prior art processing camber as described in background technique still
Difficult, the bigger stability of track mesoporous is better, and bending difficulty is bigger, and the prior art is very thin flat using track is made into
The method of shape is easily bent track, but will lead to orbit strength decline, the bad stability of wall sawing machine at work in this way.
Fig. 4 is the partial structural diagram of keel shape track, if as shown in figure 4, the utility model processes in orbit
Dry groove 121 forms the keel shape track 12 of the utility model, and one that track is bonded with track bed 11 is arranged in groove 121
Face after keel shape track 12 fits on the track bed 11 of arc, is locked by locking member 13, can make keel shape track 12 with
The radian of track bed 11 is bonded, and machined the keel shape track 12 of groove 121 when locking with track bed 11, it is easy to it is bent,
But its intensity is still very strong, that is to say, that the utility model is thin there is no track is done, so not changing the intensity of track.
The general spaced set on keel shape track 12 of groove 121 is arranged one every preset distance.
Keel shape track 12 can be integrally formed, or be spliced for several track elements.That is, keel shape track
12 can directly be processed into 11 equal length of track bed, keel shape track 12 can also be divided into several units, it is a bit of
Be spliced on track bed 11.It is understood that track bed 11 can also be by the way of integrated molding and sectional forming.
The radian of track bed 11 is calculated by the radian of tunnel wall and is determined, the radian of the flexible variation of keel shape track 12
Range is big, reusable, arranges in pairs or groups from the track bed 11 of different radians, equally can also be with the straight rail railway roadbed in straight rail cutting
It is used cooperatively, so the utility model keel shape track 12 becomes general shape track.
Track bed 11 is spliced for segmented, and repeatable be installed on mobile trolley used 30 can also facilitate from mobile trolley used 30
Upper dismounting after track bed 11 is installed on mobile trolley used 30, then is installed to keel type track 12 on track bed 11, organizes camber
Track is mobile trolley used.
Fig. 5 is the partial structural diagram of the utility model arc track wall sawing machine embodiment, as shown in figure 5, wall sawing machine
It is provided with front wheels 21 and rear wheels 22 on head 20, arcuately rail assembly 10 slides for front wheels 21 and rear wheels 22, and
And it is separately positioned on 20 front side of wall sawing machine head and rear side, front wheels 21 and rear wheels 22 all include left and right settings in each wheel group
Revolver and right wheel, revolver and right wheel are located at the two sides of arc track component 10, specifically, revolver and right wheel are clamped in dragon
The two sides of bone shape track 12, move wall sawing machine head 20 along keel shape track 12.
12 top of keel shape track is provided with rack gear 122 along orbital direction, is located in front wheels 21 and/or rear wheels 22
Be provided between revolver and right wheel engaged with rack gear 122 walk cutter tooth wheel 211, as shown in Figure 10.Cutter tooth wheel 211 is walked first
Motor 212 is rotated by, and is made to walk cutter tooth wheel 211 under the limit of revolver and right wheel, is moved along rack gear, to drive wall
Saw head 20 is moved along keel shape track 12.
Walking cutter tooth wheel 211 can be set between the revolver and right wheel of front wheels 21, also can be set in rear wheels 22
Between revolver and right wheel, can also all it be set between the revolver and right wheel of rear wheels 22 between the revolver and right wheel of front wheels 21
Set away cutter tooth wheel 211.As shown in Figure 10, that walks cutter tooth wheel 211 and rack gear 122 engages center in the central cross-section of revolver and right wheel
On, it is all not in walk the case where cutter tooth wheel 211 is with the disengaging of rack gear 122 or dieback that no matter how the radian of track, which changes, in this way,
It is illustrated below for this design with simplification figure:
Figure 11 is the simplified structure diagram for walking cutter tooth wheel setting in the prior art, and as shown in figure 11, P represents wall sawing machine machine
Head, Q1, Q2 respectively represent the revolver and right wheel of front wheels, and R1, R2 respectively represent the revolver and right wheel of rear wheels, and S represents rail
Road, O are to walk cutter tooth wheel, walk the position that cutter tooth wheel O is arranged between front wheels and rear wheels in the prior art, if that in-orbit
When road S is relatively flat, walking cutter tooth wheel O will be detached from track S, as shown in figure 12；If when track S is more curved
Wait, walk cutter tooth wheel O will with track S dieback, as shown in figure 13；It is that the utility model is walked cutter tooth wheel O and is arranged as shown in figure 14
Simplified structure diagram will be walked cutter tooth wheel O and be arranged between the revolver Q1 of front wheels and right wheel Q2, and walks cutter tooth wheel 211
The central cross-section of central cross-section and revolver Q1 and right wheel Q2, thus can be to avoid the changes because of track S radian in same plane
Change causes away to occur being detached between cutter tooth wheel O and rack gear or the case where dieback.It is understood that walking cutter tooth wheel O can also set
It sets between the revolver R1 and right wheel R2 of rear wheels.
Fig. 5 and Figure 10 are please referred to, the structure of worm and gear can be used with the transmission for walking cutter tooth wheel 211 for the first motor 212, will
The rotation of first motor 212 carries out deceleration output.
Referring to Fig. 6, wall sawing machine head 20 further includes the first swing group being rotatably connected in 20 left side of wall sawing machine head
Part 23, the swing of the first wobble component 23 can make saw blade 231 adjust cutting angle and depth.One end of first wobble component 23 can
It is rotatably connected on the left side of wall sawing machine head 20, the other end is rotatably connected the second wobble component 24, the second wobble component 24
In 23 left side of the first wobble component, so that swing of second wobble component 24 without limitation on the first wobble component 23.Wall sawing machine machine
First 20 bottom is connected with sliding slot 25, and one end of the second wobble component 24 is connect with the first wobble component 23, and the other end is slidably connected
In sliding slot 25, when connection spot wobble of first wobble component 23 around the first wobble component 23 and wall sawing machine head 20, push
Second wobble component 24,25 sliding along the chute.Fig. 7 is the structural schematic diagram that the first swing rod of wall sawing machine head swings 90 ° in Fig. 6.
It is provided at the tie point of first wobble component 23 and the second wobble component 24 positioned at 24 left side of the second wobble component
Ring flange 232, saw blade 231 is fixed on ring flange 232, and the first wobble component 23 passes through the second motor 26 and drives, ring flange
232 are driven by third motor 27, and the second motor 26, which is arranged on wall sawing machine head, to be located on the right side of the first wobble component 23, the
The right side of the second motor 27 is arranged in three motors 27.
As shown in figure 9, the second motor 26 can also drive the first wobble component 23 pendulum by the kind of drive of turbine and worm
It is dynamic.Third motor 27 passes through the gear assembly being arranged in the first wobble component 23 and saw blade 231 is driven to rotate, or passes through setting
Part synchronous belt driving saw blade 231 in the first wobble component 23 rotates, and is specifically selected, is not limited as needed herein
System.
As shown in figure 5, being arranged according to the relative position of the utility model motor and saw blade 231, arc track component 10, make
Longitudinal cross-section and the saw blade 231 for obtaining the disengaging 261 vertical arc rail assembly 10 of oil pipe of all motors, in arc track wall sawing machine
Stable working state, and do not influence that saw blade is deep, the thickness of wall sawing machine head 20 is had compressed as far as possible, makes wall sawing machine head 20
There is maximum passability in small space between arc track component 10 and tunnel inner wall.
Referring to Fig. 7, the second wobble component 24 includes swing rod 241 and water seal frame 242, water seal frame 242 is arranged in swing rod 241
Two sides are provided with cooling water inlet 243 on water seal frame 242, since water seal frame 242 is arranged on the second wobble component 24, so
It can be with directional swing.As shown in Figure 10, after cooling water enters cooling water inlet 243, ring flange 232 is entered by water seal frame 242,
Then it is sprayed from 232 surrounding of ring flange, cooling water can be realized from 231 two sides of saw blade from the ejection of 232 surrounding of ring flange in cooling water
It sprays, achievees the effect that cooling saw blade 231.
As shown in figure 5, being provided with arc-shaped water cover 244 on water seal frame 242, the lid of water cover 244 closes separate on saw blade 231
The side of tunnel metope, that is to say, that the arc center side of arc track component 10 is arranged in water cover 244, in this way will not shadow
It rings saw blade 231 and cuts tunnel metope, without occupying the small space between arc track component 10 and tunnel inner wall, make installation
With more convenient.Water cover 244 is arranged on water seal frame 242, can follow 23 directional swing of the first wobble component, water cover 244 and saw blade
231 is concentric always, follows the swaying direction of saw blade 231 to move and plays the role of protecting saw blade 231 and not additional occupied space.
In the present invention, the first wobble component 23 can 360 ° (degree) rotation, convenient for adjust saw blade 231 cutting angle and depth
Degree.In addition, water cover 244 is arranged on the water seal frame 242 of the second wobble component 24, without being directly fixed on water cover 244
On ring flange 232, in addition devising sliding slot 25, slides up and down the second wobble component 24 25 along the chute, can thus limit
Water cover 244 does not follow saw blade 231 to do 360 ° of rotations, but moves up and down, and swings simultaneously, and water cover 244 and saw blade 231 are concentric
Swing spaced motion.
Front wheels 21 and rear wheels 22 are removably attachable on arc track component 10, specifically, can be in each wheel group
Flexible adjustment device is set, engages idler wheel with multi-radian arc track, guarantees to walk cutter tooth wheel 211 between the idler wheel of two, left side
On center, is adapted to automatically with track rack gear 122, make each wheel group that can easily install in orbit and easily tear open from track
It unloads down, facilitates the disassembly and installation of wall sawing machine head 20 Yu track.
It should be understood that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
It says, it can be modified or changed according to the above description, and all these modifications and variations all should belong to the appended power of the utility model
The protection scope that benefit requires.
Claims (1)
1. a kind of arc track wall sawing machine, which is characterized in that including arc track component, and be slidably connected at the curved track
Wall sawing machine head on road component；The arc track component includes the track bed of arc, and the dragon on the track bed is arranged in
Bone shape track, and the locking member for fastening the track bed and keel shape track；
The keel shape track is integrally formed or the keel shape track is that several track elements are spliced；
The track bed is I-steel, and track bed is spliced for segmented；
The arc track wall sawing machine is mounted on mobile trolley used；
It is provided with along the arc track component slippage on the wall sawing machine head and is separately positioned on the wall sawing machine machine
The front wheels and rear wheels of head front side and rear side, the front wheels and rear wheels all include revolver of the left and right settings in each wheel group
And right wheel, the revolver and right wheel are located at the two sides of the arc track component, the keel shape top of the rail is along rail
Road direction is provided with rack gear, be located between the revolver and right wheel in the front wheels and/or rear wheels be provided with it is described
Cutter tooth wheel is walked in rack gear engagement, and the engagement center of the feed wheel and rack is described on revolver and the central cross-section of right wheel
Be provided in front wheels and/or rear wheels for drive it is described walk cutter tooth wheel rotation the first motor；
The wall sawing machine head further includes the first wobble component being rotatably connected on the left of wall sawing machine head, is rotationally connected with
The second wobble component on the left of first wobble component, and it is connected to the sliding slot of wall sawing machine head bottom, described
One end of two wobble components is slidably connected in the sliding slot, the connection of first wobble component and second wobble component
It is provided with ring flange on the left of second wobble component at point, is connected with saw blade, the wall sawing machine on the ring flange
It is located at the second motor being provided on the right side of first wobble component for driving first wobble component to swing on head
So that the saw blade adjustment cutting angle and depth；
It is located at the third horse being provided on the right side of second motor for driving the saw blade rotation on the wall sawing machine head
It reaches, the third motor passes through the gear assembly being arranged in first wobble component and drives the saw blade rotation；
Second wobble component includes swing rod and the water seal frame that swing rod two sides are arranged in, and is provided with cooling on the water seal frame
Water inlet, the cooling water is by spraying after the water seal frame from the ring flange with the cooling saw blade；
Arc-shaped water cover is provided on the water seal frame, the water the cover closes one far from tunnel metope on the saw blade
Side；
Flexible adjustment device is provided in the front wheels and the rear wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821449050.8U CN209425885U (en) | 2018-09-05 | 2018-09-05 | Arc track wall sawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821449050.8U CN209425885U (en) | 2018-09-05 | 2018-09-05 | Arc track wall sawing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209425885U true CN209425885U (en) | 2019-09-24 |
Family
ID=68006541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821449050.8U Withdrawn - After Issue CN209425885U (en) | 2018-09-05 | 2018-09-05 | Arc track wall sawing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209425885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020048470A1 (en) * | 2018-09-05 | 2020-03-12 | 深圳市沃鹏机械设备有限公司 | Arc-shaped track wall sawing machine |
-
2018
- 2018-09-05 CN CN201821449050.8U patent/CN209425885U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020048470A1 (en) * | 2018-09-05 | 2020-03-12 | 深圳市沃鹏机械设备有限公司 | Arc-shaped track wall sawing machine |
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Granted publication date: 20190924 Effective date of abandoning: 20240322 |