CN106759054A - A kind of high speed railway track snow removing equipment - Google Patents
A kind of high speed railway track snow removing equipment Download PDFInfo
- Publication number
- CN106759054A CN106759054A CN201611250116.6A CN201611250116A CN106759054A CN 106759054 A CN106759054 A CN 106759054A CN 201611250116 A CN201611250116 A CN 201611250116A CN 106759054 A CN106759054 A CN 106759054A
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- Prior art keywords
- snow
- shovel
- bucket
- shaft
- accumulated snow
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- 238000007599 discharging Methods 0.000 claims abstract description 14
- 230000003028 elevating effect Effects 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008450 motivation Effects 0.000 description 2
- 241001417527 Pempheridae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H8/00—Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails
- E01H8/02—Methods or apparatus for removing ice or snow from railway tracks, e.g. using snow-ploughs ; Devices for dislodging snow or ice which are carried or propelled by tramway vehicles ; Moving or removing ballast
- E01H8/08—Methods or apparatus for removing ice or snow from railway tracks, e.g. using snow-ploughs ; Devices for dislodging snow or ice which are carried or propelled by tramway vehicles ; Moving or removing ballast by application of heat, e.g. by means of heated clearing instruments, melting in situ; Clearing devices which melt the dislodged snow; Clearing exclusively by means of rays or streams or gas or stream, or by suction
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H8/00—Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails
- E01H8/10—Removing undesirable matter from rails, flange grooves, or the like railway parts, e.g. removing ice from contact rails, removing mud from flange grooves
- E01H8/105—Pneumatically or hydraulically loosening, removing or dislodging undesirable matter, e.g. removing by blowing, flushing, suction; Application of melting liquids; Loosening or removing by means of heat, e.g. cleaning by plasma torches, drying by burners
Abstract
The present invention provides a kind of high speed railway track snow removing equipment, including accumulated snow collection port, two shovel snow conveyer belts, eight support frames, four roll shafts, it is characterised in that：Described accumulated snow collection port is square-shaped hopper shape, front openings are big, it is gradually reduced below, accumulated snow collection port afterbody is a square body structure, a rectangular snow-discharging port is provided with the left of square box, two bearing blocks are provided with the left of snow-discharging port, a bearing is fitted with each bearing block, the rotating shaft of bucket wheel is installed within the bearing；The present invention is by setting the accumulated snow collection port with conveyer mechanism, accumulated snow can more quickly be collected, being rotated by bucket wheel can quickly be shoveled out accumulated snow from snow-discharging port, the unilateral gate that the high-temperature high-speed airflow of the first turbojet engine generation will shovel snow bucket rear portion blows open and will shovel the accumulated snow avenged in bucket and blows to railway side, prevents accumulated snow from blocking shovel and avenges bucket.
Description
Technical field
The present invention relates to technical field of rail traffic, more particularly to a kind of high speed railway track snow removing equipment.
Background technology
Ice period more long and can be through snowing a great deal is there is in the northern area of China, these thick accumulated snow often cover
Railroad track is covered, the train to high-speed cruising is made troubles, railway snow removing car is the equipment for rooting out these accumulated snow, is for example applied
Number it is《2010206302093》A utility model patent disclose《A kind of railway snow sweeper》, the equipment include car body, bag
Include wheel, belt pulley, power transmission shaft, gear, wheel chain to be constituted in interior transmission device and conveyer belt, an arc is designed with car body
Outside snow cave shovel and inner side snow cave shovel are installed in shape accumulated snow plate washer, car body front end by rotating shaft, and the equipment is mainly removed the snow by snow cave shovel, avenge
Shovel is badly in need of a kind of new railway snow removing equipment easily by accumulated snow adhesion so as to cause shovel snow speed reduction.
The content of the invention
Regarding to the issue above, the present invention provides a kind of high speed railway track snow removing equipment, by setting band conveyer mechanism
Accumulated snow collection port, can more quickly collect accumulated snow, being rotated by bucket wheel can quickly be shoveled out accumulated snow from snow-discharging port, the
The unilateral gate that the high-temperature high-speed airflow of one turbojet engine generation will shovel snow bucket rear portion blows open and will shovel the accumulated snow avenged in bucket and blows to
Railway side, prevents accumulated snow from blocking shovel snow bucket.
Technical scheme used in the present invention is：A kind of high speed railway track snow removing equipment, including accumulated snow collection port, two
Shovel snow conveyer belt, eight support frames, four roll shafts, two hydraulic motors, two links, two connecting plates, the eruptions of the first whirlpool
Motivation, square socket, elevating lever, the first servomotor, snow-discharging port, two bearing blocks, direct current generator, bucket wheel, two the second whirlpool sprays
Engine, two the second servomotors, two rectangular shafts, it is characterised in that：Described accumulated snow collection port is square-shaped hopper shape,
Front openings are big, behind be gradually reduced, accumulated snow collection port afterbody is a square body structure, is set on the left of square box
There is a rectangular snow-discharging port, two bearing blocks be provided with the left of snow-discharging port, a bearing is fitted with each bearing block,
The rotating shaft of bucket wheel is installed within the bearing, described bucket wheel include rotating shaft, four support bars, four unilateral gates, four shovel snow buckets,
Four blocks, four described support bars are provided with shovel snow bucket, shovel snow uniformly installed in the outside of rotating shaft on the top of support bar
Bucket front portion is unlimited, and there is a unilateral gate that may only be opened to shovel snow bucket inside at rear portion, and unilateral gate upper end is struggled against with shovel snow
It is hinged, bottom is blocked by the block that is arranged on shovel snow bucket bottom；Described direct current generator is arranged on bearing block side, directly
The motor shaft for flowing motor is connected by shaft coupling with rotating shaft one end of bucket wheel；Described square socket is fixed on accumulated snow and collects metastomium
Square box top, the elevating lever that can be slided up and down is installed in square socket, elevating lever is slided up and down by installing
Driven by Hydraulic Cylinder inside square socket, is provided with the first servomotor at the top of elevating lever, and the first servomotor is horizontally mounted,
Its motor shaft is fixedly connected towards front and with the shell of the first turbojet engine, is sprayed by first the first whirlpool of Serve Motor Control
The spout direction of engine, is allowed to be aligned the shovel snow bucket rear positions of bucket wheel；In accumulated snow collection port both sides, positional symmetry is provided with
Two links, each link rear portion is fitted with a connecting plate；One is fitted with each link lower position
Rectangular shaft, rectangular shaft side is provided with the second servomotor, and the second servomotor is horizontally mounted, its motor shaft towards outside,
Motor shaft ends are provided with the second turbojet engine, the spout of the second turbojet engine be directed at railroad track；
One conveyer mechanism is respectively installed in accumulated snow collection port inwall both sides, described conveyer mechanism includes shovel snow transmission
Band, four support frames, two roll shafts, hydraulic motors, two roll shafts one in front and one in back arrange that roll shaft two ends are rotatably installed in two respectively
On the support frame of side, shovel snow conveyer belt be arranged on two roll shafts on, in two roll shafts before one as initiative roll shaft, behind
The driven roll shaft of conduct, by fluid motor-driven, hydraulic motor is arranged on support frame initiative roll shaft, the drive shaft of hydraulic motor
It is connected with initiative roll shaft by shaft coupling.
Further, described shovel snow conveyer belt outside is provided with sweptback wing plate.
Beneficial effect of the present invention：
1. the present invention can more quickly collect accumulated snow, by bucket wheel by setting the accumulated snow collection port with conveyer mechanism
Rotation can quickly shovel out accumulated snow from snow-discharging port, and the high-temperature high-speed airflow that the first turbojet engine is produced will shovel snow bucket rear portion
The accumulated snow that unilateral gate blows open and will shovel in snow bucket blows to railway side, prevents accumulated snow from blocking shovel snow bucket.
2. by setting two the second turbojet engines, accumulated snow remaining on rail can be dispelled and melted, reached
The purpose of clear all accumulated snow.
Brief description of the drawings
Fig. 1, Fig. 2 are overall structure diagram of the invention.
Fig. 3 is bucket wheel structural representation of the invention.
Fig. 4 is the second turbojet engine scheme of installation of the invention.
Drawing reference numeral：1- accumulated snow collection ports；2- shovel snow conveyer belts；3- support frames；4- roll shafts；5- hydraulic motors；6- is connected
Frame；7- connecting plates；The turbojet engines of 8- first；9- square sockets；10- elevating levers；The servomotors of 11- first；12- snow-discharging ports；13-
Bearing block；14- direct current generators；15- bucket wheels；The turbojet engines of 16- second；The servomotors of 17- second；18- rectangular shafts；1501-
Rotating shaft；1502- support bars；1503- unilateral gates；1504- shovel snow buckets；1505- blocks.
Specific embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of 1, two shovel snow of high speed railway track snow removing equipment, including accumulated snow collection port are passed
2, eight 4, two, the roll shaft link 6, two of hydraulic motor 5, two of support frame 3, four connecting plates 7 of band, the first whirlpool are sent to erupt
Motivation 8, square socket 9, elevating lever 10, the first servomotor 11, snow-discharging port 12, two bearing blocks 13, direct current generators 14, bucket wheel
15th, two the second turbojet engines, 16, two the second servomotors, 17, two rectangular shafts 18, it is characterised in that：Described accumulated snow
Collection port 1 is square-shaped hopper shape, and front openings are big, behind be gradually reduced, the afterbody of accumulated snow collection port 1 is a square casing
Structure, is provided with a rectangular snow-discharging port 12 on the left of square box, and two bearing blocks 13 are provided with the left side of snow-discharging port 12,
A bearing is fitted with each bearing block 13, the rotating shaft 1501 of bucket wheel 15 is installed within the bearing, described bucket wheel 15 is wrapped
Include the support bar 1502, four of rotating shaft 1501, four unilateral gate 1503, four shovel snow 1504, four blocks 1505 of bucket, described four
Individual support bar 1502 uniformly installed in the outside of rotating shaft 1501, shovel snow bucket 1504, shovel snow is provided with the top of support bar 1502
Struggle against 1504 front portions be it is unlimited, rear portion have one may only to shovel snow bucket 1504 inside open unilateral gate 1503, unilateral gate
1503 upper ends are hinged with shovel snow bucket 1504, and bottom is blocked by the block 1505 that is arranged on 1504 bottoms of shovel snow bucket；Institute
The direct current generator 14 stated is arranged on the side of bearing block 13, and the motor shaft of direct current generator 14 passes through the rotating shaft of shaft coupling and bucket wheel 15
1501 one end connect；Described square socket 9 is fixed on the square box top at the rear portion of accumulated snow collection port 1, is installed in square socket 9
There is an elevating lever 10 that can be slided up and down, elevating lever 10 is slided up and down by the Driven by Hydraulic Cylinder inside square socket 9,
First servomotor 11 is installed at the top of elevating lever 10, the first servomotor 11 is horizontally mounted, its motor shaft towards front simultaneously
Shell with the first turbojet engine 8 is fixedly connected, and the spout side of the first turbojet engine 8 is controlled by the first servomotor 11
To the shovel for being allowed to be aligned bucket wheel 15 avenges 1504 rear positions of bucket；Two connections are installed in the both sides positional symmetry of accumulated snow collection port 1
Frame 6, each rear portion of link 6 is fitted with a connecting plate 7；A rectangle is fitted with each lower position of link 6
Bar 18, the side of rectangular shaft 18 is provided with the second servomotor 17, and the second servomotor 17 is horizontally mounted, and its motor shaft is outside
Side, the second turbojet engine 16 is provided with motor shaft ends, the spout of the second turbojet engine 16 be directed at railroad track；
One conveyer mechanism is respectively installed in the inwall both sides of accumulated snow collection port 1, described conveyer mechanism includes shovel snow transmission
Band 2, four support frames 3, two roll shafts 4, hydraulic motors 5, two roll shafts 4 one in front and one in back arrange that the two ends of roll shaft 4 rotate peace respectively
On the support frame 3 of both sides, shovel snow conveyer belt 2 is arranged on two roll shafts 4, in two roll shafts 4 before one as main
Action roller shaft, the driven roll shaft of conduct below, initiative roll shaft is driven by hydraulic motor 5, and hydraulic motor 5 is arranged on support frame 3, liquid
The drive shaft of pressure motor 5 is connected by shaft coupling with initiative roll shaft.
Further, the described outside of shovel snow conveyer belt 2 is provided with sweptback wing plate.
Operation principle of the present invention：The present invention is arranged on train head front portion by connecting plate 7, and train is in the shovel Xue Shitong that advances
Cross accumulated snow collection port 1 and collect accumulated snow, then avenged to rear shovel by conveyer mechanism, specific method is：The drive roller shaft of hydraulic motor 5
4 are rotated, and the drive of roll shaft 4 is shoveled snow conveyer belt 2 and operated counterclockwise, and the wing plate on conveyer belt sends into rear portion to rear shovel snow and by accumulated snow
In square box, next step direct current generator 14 starts and drives bucket wheel 15 to rotate, and bucket wheel 15 goes out snow cave shovel from square box, under
One step opens the first turbojet engine 8, makes 1504 rears of shovel snow bucket of the spout alignment bucket wheel 15 of the first turbojet engine 8
Put, the unilateral gate 1503 that the high-temperature high-speed airflow that the first turbojet engine 8 is produced will shovel 1504 rear portions of snow bucket blows open and avenges shovel
Accumulated snow in bucket 1504 blows to railway side, prevents accumulated snow from blocking shovel snow bucket 1504, and the height of the first turbojet engine 8 is by rising
Drop bar 10 is adjusted, and its spout direction is adjusted by the first servomotor 11；Two are opened while the first turbojet engine 8 are opened
Individual second turbojet engine 16, the spout alignment rail of the second turbojet engine 16, the high temperature that the second turbojet engine 16 is produced
Accumulated snow remaining on rail is dispelled and melted by high velocity air, reaches the purpose of fully erased accumulated snow, the second turbojet engine 16
Spout and rail between angle controlled by the second servomotor 17.
Claims (2)
1. a kind of high speed railway track snow removing equipment, including accumulated snow collection port（1）, two shovel snow conveyer belts（2）, eight support frames
（3）, four roll shafts（4）, two hydraulic motors（5）, two links（6）, two connecting plates（7）, the first turbojet engine
（8）, square socket（9）, elevating lever（10）, the first servomotor（11）, snow-discharging port（12）, two bearing blocks（13）, direct current generator
（14）, bucket wheel（15）, two the second turbojet engines（16）, two the second servomotors（17）, two rectangular shafts（18）, it is special
Levy and be：Described accumulated snow collection port（1）Be square-shaped hopper shape, front openings are big, behind be gradually reduced, accumulated snow collection port
（1）Afterbody is a square body structure, and a rectangular snow-discharging port is provided with the left of square box（12）, avenged in row
Mouthful（12）Left side is provided with two bearing blocks（13）, each bearing block（13）In be fitted with a bearing, be provided with the bearing
Bucket wheel（15）Rotating shaft（1501）, described bucket wheel（15）Including rotating shaft（1501）, four support bars（1502）, four unilateral gates
（1503）, four shovel snow buckets（1504）, four blocks（1505）, described four support bars（1502）Uniformly it is arranged on rotating shaft
（1501）Outside, in support bar（1502）Top be provided with shovel snow bucket（1504）, shovel snow bucket（1504）Front portion be it is unlimited,
Rear portion has one may only struggle against to shovel snow（1504）The unilateral gate that inside is opened（1503）, unilateral gate（1503）Avenged with shovel upper end
Bucket（1504）It is hinged, bottom is arranged on shovel snow bucket by one（1504）The block of bottom（1505）Block；Described direct current
Machine（14）Installed in bearing block（13）Side, direct current generator（14）Motor shaft pass through shaft coupling and bucket wheel（15）Rotating shaft
（1501）One end connects；Described square socket（9）It is fixed on accumulated snow collection port（1）The square box top at rear portion, in square socket
（9）In the elevating lever that can be slided up and down is installed（10）, elevating lever（10）Slide up and down by installed in square socket（9）It is interior
The Driven by Hydraulic Cylinder in portion, in elevating lever（10）Top is provided with the first servomotor（11）, the first servomotor（11）Level is pacified
Dress, its motor shaft towards front and with the first turbojet engine（8）Shell be fixedly connected, by the first servomotor（11）Control
Make the first turbojet engine（8）Spout direction, be allowed to be directed at bucket wheel（15）Shovel snow bucket（1504）Rear positions；Received in accumulated snow
Ji Kou（1）Both sides positional symmetry is provided with two links（6）, each link（6）Rear portion is fitted with a connecting plate
（7）；In each link（6）Lower position is fitted with a rectangular shaft（18）, rectangular shaft（18）Side is provided with second and watches
Take motor（17）, the second servomotor（17）It is horizontally mounted, its motor shaft is provided with the second whirlpool towards outside in motor shaft ends
Fuel-injection engine（16）, the second turbojet engine（16）Spout be directed at railroad track；In accumulated snow collection port（1）Inwall both sides are each
One conveyer mechanism is installed, described conveyer mechanism includes shovel snow conveyer belt（2）, four support frames（3）, two roll shafts
（4）, hydraulic motor（5）, two roll shafts（4）One in front and one in back arrange, roll shaft（4）Two ends are rotatably installed in the support frame of both sides respectively
（3）On, shovel snow conveyer belt（2）Installed in two roll shafts（4）On, two roll shafts（4）In before one as initiative roll shaft, after
The driven roll shaft of conduct in face, initiative roll shaft is by hydraulic motor（5）Drive, hydraulic motor（5）Installed in support frame（3）On, hydraulic pressure
Motor（5）Drive shaft be connected with initiative roll shaft by shaft coupling.
2. a kind of high speed railway track snow removing equipment according to claim 1, it is characterised in that：Described shovel snow conveyer belt
（2）Outside is provided with sweptback wing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611250116.6A CN106759054B (en) | 2016-12-29 | 2016-12-29 | A kind of high speed railway track snow removing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611250116.6A CN106759054B (en) | 2016-12-29 | 2016-12-29 | A kind of high speed railway track snow removing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106759054A true CN106759054A (en) | 2017-05-31 |
| CN106759054B CN106759054B (en) | 2018-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611250116.6A Active CN106759054B (en) | 2016-12-29 | 2016-12-29 | A kind of high speed railway track snow removing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106759054B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235357A (en) * | 2018-10-08 | 2019-01-18 | 邵玉刚 | A kind of rail ice and snow sweeper |
| CN110306480A (en) * | 2019-07-04 | 2019-10-08 | 新疆大学 | A kind of intelligent snow grooming machines people of completely new type |
| CN111605571A (en) * | 2020-04-27 | 2020-09-01 | 金华职业技术学院 | Track detection trolley |
| CN113293729A (en) * | 2021-04-27 | 2021-08-24 | 杨娜娜 | Track snow sweeper |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2143029C1 (en) * | 1997-09-29 | 1999-12-20 | Открытое акционерное общество Уральский научно-исследовательский и проектный институт медной промышленности "Унипромедь" | Track sweeper |
| CN201581373U (en) * | 2009-12-30 | 2010-09-15 | 程荣俊 | Railway snow removing and ice breaking vehicle |
| CN201891102U (en) * | 2010-11-23 | 2011-07-06 | 厦门宝飞达道桥新技术有限公司 | Railway sweeping vehicle |
| CN201924316U (en) * | 2010-11-20 | 2011-08-10 | 侯文涛 | Railway snow sweeper |
| CN205223963U (en) * | 2015-11-05 | 2016-05-11 | 中国铁建高新装备股份有限公司 | Snow blade is used in track snow removing |
-
2016
- 2016-12-29 CN CN201611250116.6A patent/CN106759054B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2143029C1 (en) * | 1997-09-29 | 1999-12-20 | Открытое акционерное общество Уральский научно-исследовательский и проектный институт медной промышленности "Унипромедь" | Track sweeper |
| CN201581373U (en) * | 2009-12-30 | 2010-09-15 | 程荣俊 | Railway snow removing and ice breaking vehicle |
| CN201924316U (en) * | 2010-11-20 | 2011-08-10 | 侯文涛 | Railway snow sweeper |
| CN201891102U (en) * | 2010-11-23 | 2011-07-06 | 厦门宝飞达道桥新技术有限公司 | Railway sweeping vehicle |
| CN205223963U (en) * | 2015-11-05 | 2016-05-11 | 中国铁建高新装备股份有限公司 | Snow blade is used in track snow removing |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235357A (en) * | 2018-10-08 | 2019-01-18 | 邵玉刚 | A kind of rail ice and snow sweeper |
| CN110306480A (en) * | 2019-07-04 | 2019-10-08 | 新疆大学 | A kind of intelligent snow grooming machines people of completely new type |
| CN111605571A (en) * | 2020-04-27 | 2020-09-01 | 金华职业技术学院 | Track detection trolley |
| CN111605571B (en) * | 2020-04-27 | 2021-08-27 | 金华职业技术学院 | Track detection trolley |
| CN113293729A (en) * | 2021-04-27 | 2021-08-24 | 杨娜娜 | Track snow sweeper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106759054B (en) | 2018-09-18 |
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Effective date of registration: 20180807 Address after: 325608 No. 15, No. two, Tong Xian Road, Hongqiao Town, Yueqing, Wenzhou, Zhejiang. Applicant after: Ye Yanan Address before: 150000 Room 101, unit 5, Xue Hing Road, Nangang District, Harbin, Heilongjiang, 506 Applicant before: Ning Xiufen |
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Address after: 313201 Deqing County New Town Industrial Zone, Zhejiang, Huzhou Patentee after: Ye Yanan Address before: 325608, Zhejiang, Wenzhou province Yueqing Town, Hongqiao after two fairy Road, No. 15 Patentee before: Ye Yanan |
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Effective date of registration: 20191212 Address after: 063000 north side of caoxieqing East Road, Fengrun District, Tangshan City, Hebei Province (in the former Tangshan Xingda silk Co., Ltd.) Patentee after: Tangshan Zheng Zheng Machinery Equipment Co., Ltd. Address before: 313201 Deqing County New Town Industrial Zone, Zhejiang, Huzhou Patentee before: Ye Yanan |
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