CN213596775U - Road joint cutter that dust removal effect is good - Google Patents
Road joint cutter that dust removal effect is good Download PDFInfo
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- CN213596775U CN213596775U CN202022317665.9U CN202022317665U CN213596775U CN 213596775 U CN213596775 U CN 213596775U CN 202022317665 U CN202022317665 U CN 202022317665U CN 213596775 U CN213596775 U CN 213596775U
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- 239000000428 dust Substances 0.000 title claims abstract description 69
- 230000000694 effects Effects 0.000 title claims abstract description 25
- 238000005520 cutting process Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 67
- 230000001681 protective effect Effects 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 238000005086 pumping Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000003651 drinking water Substances 0.000 claims description 8
- 235000020188 drinking water Nutrition 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims 4
- 238000005406 washing Methods 0.000 abstract description 8
- 238000005507 spraying Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000007921 spray Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a road joint cutter that dust removal effect is good, comprising a base plate, the top fixedly connected with box of bottom plate, turn right first baffle of fixedly connected with, second baffle and third baffle in proper order from a left side in the inner chamber of box, the top fixedly connected with backup pad on box right side, the bottom fixedly connected with pneumatic cylinder of backup pad, the bottom fixedly connected with connecting plate of pneumatic cylinder. The utility model discloses possess that the dust removal effect is good and have the advantage of road washing function, solved current road joint cutter, in the use, only adopt the mode of spraying to carry out the dust fall to the dust and handle usually, this mode can't effectually be cleared up the dust to cause the dust to fly away everywhere, the user of not being convenient for's use, and because single structure does not have the road washing function, can not clear up the road surface after the joint-cutting, reduced the problem of road joint cutter suitability.
Description
Technical Field
The utility model relates to a joint cutter technical field specifically is a road joint cutter that dust removal effect is good.
Background
The joint cutter is a small machine tool with simple structure, but has huge effect in the construction of cement road surfaces, the joint cutting is also an essential link in the construction, the strength and the service life of the road surfaces are directly influenced, and the working principle is that the joint cutting operation is completed by driving the diamond saw blade through power.
Current road joint cutter in the use, only adopts the mode of spraying to carry out the dust fall processing to the dust usually, and this mode can't effectually clear up the dust to cause the dust to fly away everywhere, the not convenient to use person's use, and because single structure does not have the road and washes the function, can not clear up the road surface after the joint-cutting, reduced road joint cutter's suitability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a road joint cutter that dust removal effect is good, possess the advantage that dust removal effect is good and have the road washing function, current road joint cutter has been solved, in the use, only adopt the mode of spraying to carry out the dust fall processing to the dust generally, this mode can't effectually clear up the dust, thereby cause the dust to fly away everywhere, the use of the person of not being convenient for, and because single structure, do not have the road washing function, can not clear up the road surface after the joint cutter, the problem of road joint cutter suitability has been reduced.
In order to achieve the above object, the utility model provides a following technical scheme: a road joint cutter with good dust removal effect comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a box body, an inner cavity of the box body is sequentially and fixedly connected with a first partition plate, a second partition plate and a third partition plate from left to right, the top of the right side of the box body is fixedly connected with a support plate, the bottom of the support plate is fixedly connected with a hydraulic cylinder, the bottom of the hydraulic cylinder is fixedly connected with a connecting plate, the front side of the connecting plate is fixedly connected with a connecting rod, the front end of the connecting rod is fixedly connected with a protective cover, the bottom of the connecting plate is fixedly connected with a motor, a rotating shaft of the motor penetrates through the inner cavity of the protective cover and is fixedly connected with a cutting disc, the top of the support plate is fixedly connected with a first water pump, a water inlet pipe of the first water pump is, the water outlet pipe of the first water pump is communicated with a telescopic spray pipe, one end of the telescopic spray pipe, far away from the first water pump, penetrates through the inner cavity of the protective cover, the top of the right side of the third partition plate is fixedly connected with a transverse plate, the top of the transverse plate is fixedly connected with a fan, an air inlet pipe of the fan is communicated with a telescopic dust suction pipe, one end of the telescopic dust suction pipe, far away from the fan, sequentially penetrates through the box body and the protective cover and extends to the inner cavity of the protective cover, an air outlet pipe of the fan is communicated with the transverse plate, the bottom of the transverse plate is fixedly connected with a threaded pipe, a surface threaded sleeve of the threaded pipe is provided with a filter cylinder, the filter cylinder is in threaded connection with the threaded pipe, the bottom of the right side of the box body is provided with a ventilation hole, the left side of the, the outlet pipe intercommunication of second water pump has the conveyer pipe, the bottom of conveyer pipe runs through box and bottom plate and the intercommunication has clean pipe in proper order, the left side fixedly connected with battery of box inner chamber bottom, the top intercommunication of box has the filler pipe.
Preferably, the left side fixedly connected with first gusset bar of protection casing inner chamber, the right-hand member and the flexible dust absorption pipe fixed connection of first gusset bar, the right side fixedly connected with second gusset bar of protection casing inner chamber, the left end and the flexible shower fixed connection of second gusset bar.
Preferably, the top of the left side of the box body is fixedly connected with a handle, and a rubber sleeve is fixedly sleeved on the surface of the handle.
Preferably, four corners of the bottom plate are movably connected with universal wheels, and the surfaces of the universal wheels are movably connected with brake blocks.
Preferably, the front side of the box body is fixedly connected with a liquid level window, and the front side of the liquid level window is sprayed with scale marks.
Preferably, the right side of box front side has the sealing door through hinge swing joint, the equal swing joint in both sides at sealing door front side top has the buckle, the right side fixedly connected with fixture block of box front side, the top and the fixture block joint of buckle.
Preferably, the left side fixedly connected with controller of box front side, the controller respectively with pneumatic cylinder, motor, first water pump, fan, second water pump and battery electric connection.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a bottom plate, the box, first baffle, the second baffle, the third baffle, a supporting plate, the pneumatic cylinder, the connecting plate, the connecting rod, the protection casing, including a motor, an end cap, a controller, and a cover plate, the cutting dish, first water pump, first drinking-water pipe, flexible shower, the diaphragm, the cooperation of fan and flexible dust absorption pipe, possess that dust removal effect is good and have the advantage of road washing function, current road joint cutter has been solved, in the use, only adopt the mode of spraying to carry out the dust fall processing to the dust usually, this mode can't effectually clear up the dust, thereby cause the dust to fly away everywhere, the user's of being not convenient for use, and because single structure, do not have the road washing function, can not clear up the road surface after the joint-cutting, the problem of road joint cutter suitability has.
2. The utility model discloses a set up the pneumatic cylinder, make the cutting disc can reciprocate, the convenience is adjusted the joint-cutting degree of depth, through setting up connecting rod and protection casing, the protective effect of equipment has been increased, through setting up first water pump, first drinking-water pipe and flexible shower, can spray in advance the road surface, reduce the dust volume, through setting up fan and flexible dust absorption pipe, can absorb the processing to the dust that produces in the joint-cutting process, increase dust removal effect, through setting up the second water pump, second drinking-water pipe and cleaning tube, can wash the road surface behind the joint-cutting, increase the construction effect, through setting up the universal wheel, the convenience is removed equipment, through setting up the sealing door, the person of facilitating the use dismantles the washing to the cartridge filter.
Drawings
FIG. 1 is a schematic sectional view of the structure of the present invention;
FIG. 2 is a schematic right sectional view of the partial structure of the present invention;
FIG. 3 is a right-view schematic diagram of the local structure of the present invention;
fig. 4 is a schematic view of the structure of the present invention.
In the figure: the device comprises a base plate 1, a box body 2, a first partition plate 3, a second partition plate 4, a third partition plate 5, a support plate 6, a hydraulic cylinder 7, a connecting plate 8, a connecting rod 9, a protective cover 10, a motor 11, a cutting disc 12, a first water pump 13, a first water pumping pipe 14, a telescopic spray pipe 15, a transverse plate 16, a fan 17, a telescopic dust suction pipe 18, a threaded pipe 19, a filter cylinder 20, a vent hole 21, a second water pump 22, a second water pumping pipe 23, a delivery pipe 24, a cleaning pipe 25, a storage battery 26, a water adding pipe 27, a universal wheel 28, a sealing door 29 and a controller 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses a bottom plate 1, box 2, first baffle 3, second baffle 4, third baffle 5, backup pad 6, pneumatic cylinder 7, connecting plate 8, connecting rod 9, protection casing 10, motor 11, cutting disc 12, first water pump 13, first drinking-water pipe 14, flexible shower 15, diaphragm 16, fan 17, flexible dust absorption pipe 18, screwed pipe 19, cartridge filter 20, ventilation hole 21, second water pump 22, second drinking-water pipe 23, conveyer pipe 24, cleaning tube 25, battery 26, filler pipe 27, universal wheel 28, sealing door 29 and controller 30 part are the parts that general standard or technical staff in the field know, its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical staff.
Referring to fig. 1-4, a road joint cutter with good dust removal effect comprises a base plate 1, universal wheels 28 are movably connected at four corners of the bottom of the base plate 1, brake blocks are movably connected on the surfaces of the universal wheels 28, equipment is convenient to move by arranging the universal wheels 28, a box body 2 is fixedly connected at the top of the base plate 1, a handle is fixedly connected at the top of the left side of the box body 2, a rubber sleeve is fixedly sleeved on the surface of the handle, a liquid level window is fixedly connected at the front side of the box body 2, scale lines are sprayed on the front side of the liquid level window, a sealing door 29 is movably connected at the right side of the front side of the box body 2 through a hinge, buckles are movably connected at two sides of the top of the front side of the sealing door 29, a clamping block is fixedly connected at the right side of the front side of the box body 2, the tops of the buckles are clamped with the clamping block, the sealing door, the controller 30 is respectively electrically connected with the hydraulic cylinder 7, the motor 11, the first water pump 13, the fan 17, the second water pump 22 and the storage battery 26, the inner cavity of the box body 2 is sequentially and fixedly connected with the first partition plate 3, the second partition plate 4 and the third partition plate 5 from left to right, the top part of the right side of the box body 2 is fixedly connected with the supporting plate 6, the bottom part of the supporting plate 6 is fixedly connected with the hydraulic cylinder 7, the cutting disc 12 can move up and down by arranging the hydraulic cylinder 7, the cutting depth can be conveniently adjusted, the bottom end of the hydraulic cylinder 7 is fixedly connected with the connecting plate 8, the front side of the connecting plate 8 is fixedly connected with the connecting rod 9, the front end of the connecting rod 9 is fixedly connected with the protective cover 10, the protective effect of the equipment is increased by arranging the connecting rod 9 and the protective cover 10, the left side of the, the right side of the inner cavity of the protective cover 10 is fixedly connected with a second reinforcing rod, the left end of the second reinforcing rod is fixedly connected with a telescopic spray pipe 15, the bottom of a connecting plate 8 is fixedly connected with a motor 11, a rotating shaft of the motor 11 penetrates through the inner cavity of the protective cover 10 and is fixedly connected with a cutting disc 12, the top of a supporting plate 6 is fixedly connected with a first water pump 13, a water inlet pipe of the first water pump 13 is communicated with a first water pumping pipe 14, one end, away from the first water pump 13, of the first water pumping pipe 14 penetrates through the inner cavity of the box body 2, a water outlet pipe of the first water pump 13 is communicated with the telescopic spray pipe 15, the pavement can be pre-sprayed by arranging the first water pump 13, the first water pumping pipe 14 and the telescopic spray pipe 15, the dust amount is reduced, one end, away from the first water pump 13, of the telescopic spray pipe 15 penetrates through the inner cavity of the protective cover 10, an air inlet pipe of the fan 17 is communicated with a telescopic dust absorption pipe 18, dust generated in the joint cutting process can be absorbed and treated by arranging the fan 17 and the telescopic dust absorption pipe 18, the dust removal effect is improved, one end, far away from the fan 17, of the telescopic dust absorption pipe 18 sequentially penetrates through the box body 2 and the protective cover 10 and extends to the inner cavity of the protective cover 10, an air outlet pipe of the fan 17 is communicated with the transverse plate 16, a threaded pipe 19 is fixedly connected to the bottom of the transverse plate 16, the filter cylinder 20 is convenient to disassemble by arranging the threaded pipe 19, a filter cylinder 20 is sleeved on the surface of the threaded pipe 19 in a threaded manner and can filter dust in the air by arranging the filter cylinder 20, the filter cylinder 20 is in threaded connection with the threaded pipe 19, a vent hole 21 is formed in the bottom of the right side of the box body 2, a second water pump 22 is fixedly connected to the left side of the top of the inner cavity of, the water outlet pipe of the second water pump 22 is communicated with a delivery pipe 24, the bottom end of the delivery pipe 24 sequentially penetrates through the box body 2 and the bottom plate 1 and is communicated with a cleaning pipe 25, the pavement after cutting can be washed by arranging the second water pump 22, the second water pumping pipe 23 and the cleaning pipe 25, the construction effect is increased, the left side of the bottom of the inner cavity of the box body 2 is fixedly connected with a storage battery 26, the top of the box body 2 is communicated with a water feeding pipe 27, and through the matching of the bottom plate 1, the box body 2, the first partition plate 3, the second partition plate 4, the third partition plate 5, the supporting plate 6, the hydraulic cylinder 7, the connecting plate 8, the connecting rod 9, the protective cover 10, the motor 11, the cutting disc 12, the first water pump 13, the first water pumping pipe 14, the telescopic spraying pipe 15, the transverse plate 16, the fan 17 and the telescopic dust suction pipe 18, the advantages of good dust removal effect and, only adopt the mode of spraying to carry out the dust fall to the dust and handle usually, this mode can't effectually clear up the dust to cause the dust to fly away everywhere, the user's of not being convenient for use, and because single structure does not have the road and washes the function, can not clear up the road surface after the joint-cutting, reduced the problem of road joint-cutting machine suitability.
When in use, a proper amount of clean water is added into the inner cavity of the box body 2 through the water adding pipe 27, then the equipment is moved to a proper position through the handle and the universal wheel 28, when a joint is required, the motor 11 is controlled to operate through the controller 30, the rotating shaft of the motor 11 drives the cutting disc 12 to rotate, then the hydraulic cylinder 7 is controlled to extend through the controller 30, the hydraulic cylinder 7 drives the connecting plate 8 and the cutting disc 12 to move downwards, the cutting disc 12 performs joint cutting on a road surface, then the controller 30 controls the first water pump 13 to operate, the first water pump 13 starts to pump water through the first water pumping pipe 14, the water is uniformly sprayed on the road surface under the action of the first water pump 13 and the telescopic spraying pipe 15, so that the road surface is moistened and the dust amount is reduced, then the controller 30 controls the fan 17 to operate, the fan 17 absorbs dust generated in the joint cutting process through the telescopic dust sucking pipe 18, and the dust is conveyed to the inner cavity of the filter cylinder 20 under the, then, the controller 30 controls the second water pump 22 to operate, the second water pump 22 starts to pump clean water through the second water pumping pipe 23, the clean water is conveyed to the cleaning pipe 25 under the action of the second water pump 22 and the conveying pipe 24, and the cleaning pipe 25 washes the road surface, so that the construction effect is improved.
In summary, the following steps: this road joint cutter that dust removal effect is good, through bottom plate 1, box 2, first baffle 3, second baffle 4, third baffle 5, backup pad 6, pneumatic cylinder 7, connecting plate 8, connecting rod 9, protection casing 10, motor 11, cutting disc 12, first water pump 13, first drinking-water pipe 14, flexible shower 15, diaphragm 16, the cooperation of fan 17 and flexible dust absorption pipe 18, current road joint cutter has been solved, in the use, only adopt the spray mode to carry out the dust fall processing to the dust usually, the unable effectual dust of this mode is cleared up, thereby cause the dust to fly away everywhere, the user's of not being convenient for use, and because single structure, do not have the road washing function, can not clear up the road surface after the joint cutter, the problem of road joint cutter suitability has been reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a road joint cutter that dust removal effect is good, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is fixedly connected with a box body (2), an inner cavity of the box body (2) is sequentially and fixedly connected with a first partition plate (3), a second partition plate (4) and a third partition plate (5) from left to right, the top of the right side of the box body (2) is fixedly connected with a support plate (6), the bottom of the support plate (6) is fixedly connected with a hydraulic cylinder (7), the bottom of the hydraulic cylinder (7) is fixedly connected with a connecting plate (8), the front side of the connecting plate (8) is fixedly connected with a connecting rod (9), the front end of the connecting rod (9) is fixedly connected with a protective cover (10), the bottom of the connecting plate (8) is fixedly connected with a motor (11), a rotating shaft of the motor (11) penetrates through the inner cavity of the protective cover (10) and is fixedly connected with a cutting disc (12), the inlet tube intercommunication of first water pump (13) has first drinking-water pipe (14), the one end that first water pump (13) was kept away from in first drinking-water pipe (14) runs through to the inner chamber of box (2), the outlet pipe intercommunication of first water pump (13) has flexible shower (15), the one end that first water pump (13) was kept away from in flexible shower (15) runs through to the inner chamber of protection casing (10), top fixedly connected with diaphragm (16) on third baffle (5) right side, the top fixedly connected with fan (17) of diaphragm (16), the air-supply line intercommunication of fan (17) has flexible dust absorption pipe (18), the one end that fan (17) were kept away from in flexible dust absorption pipe (18) runs through box (2) and protection casing (10) in proper order and extends to the inner chamber of protection casing (10), the play tuber pipe of fan (17) is linked together with diaphragm (16), a threaded pipe (19) is fixedly connected to the bottom of the transverse plate (16), a filter cartridge (20) is sleeved on the surface of the threaded pipe (19) in a threaded manner, the filter cartridge (20) is in threaded connection with the threaded pipe (19), the bottom of the right side of the box body (2) is provided with a vent hole (21), a second water pump (22) is fixedly connected with the left side of the top of the inner cavity of the box body (2), a water inlet pipe of the second water pump (22) penetrates through the right side of the second clapboard (4) and is communicated with a second water pumping pipe (23), a water outlet pipe of the second water pump (22) is communicated with a conveying pipe (24), the bottom end of the conveying pipe (24) sequentially penetrates through the box body (2) and the bottom plate (1) and is communicated with a cleaning pipe (25), the left side fixedly connected with battery (26) of box (2) inner chamber bottom, the top intercommunication of box (2) has filler pipe (27).
2. The road slitting machine with good dust removal effect as claimed in claim 1, wherein: the left side fixedly connected with first stiffener bar of protection casing (10) inner chamber, the right-hand member and flexible dust absorption pipe (18) fixed connection of first stiffener bar, the right side fixedly connected with second stiffener bar of protection casing (10) inner chamber, the left end and the flexible shower (15) fixed connection of second stiffener bar.
3. The road slitting machine with good dust removal effect as claimed in claim 1, wherein: the top of the left side of the box body (2) is fixedly connected with a handle, and a rubber sleeve is fixedly sleeved on the surface of the handle.
4. The road slitting machine with good dust removal effect as claimed in claim 1, wherein: four corners of the bottom plate (1) are movably connected with universal wheels (28), and the surfaces of the universal wheels (28) are movably connected with brake blocks.
5. The road slitting machine with good dust removal effect as claimed in claim 1, wherein: the front side fixedly connected with liquid level window of box (2), the front side of liquid level window spouts scribbles the scale mark.
6. The road slitting machine with good dust removal effect as claimed in claim 1, wherein: the right side of box (2) front side has sealing door (29) through hinge swing joint, the equal swing joint in both sides at sealing door (29) front side top has the buckle, the right side fixedly connected with fixture block of box (2) front side, the top and the fixture block joint of buckle.
7. The road slitting machine with good dust removal effect as claimed in claim 1, wherein: the left side fixedly connected with controller (30) of box (2) front side, controller (30) respectively with pneumatic cylinder (7), motor (11), first water pump (13), fan (17), second water pump (22) and battery (26) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022317665.9U CN213596775U (en) | 2020-10-16 | 2020-10-16 | Road joint cutter that dust removal effect is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022317665.9U CN213596775U (en) | 2020-10-16 | 2020-10-16 | Road joint cutter that dust removal effect is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213596775U true CN213596775U (en) | 2021-07-02 |
Family
ID=76591930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022317665.9U Active CN213596775U (en) | 2020-10-16 | 2020-10-16 | Road joint cutter that dust removal effect is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213596775U (en) |
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2020
- 2020-10-16 CN CN202022317665.9U patent/CN213596775U/en active Active
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Effective date of registration: 20240321 Address after: 153000, Group 14, Yinglin Committee, Wuying Street, Wuying District, Yichun City, Heilongjiang Province Patentee after: Yu Qian Country or region after: China Patentee after: Xing Hang Address before: 215000 room 64-203, Xintai garden, Suzhou high tech Zone, Suzhou City, Jiangsu Province Patentee before: Suzhou Wudu Municipal Engineering Co.,Ltd. Country or region before: China |
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Effective date of registration: 20240401 Address after: No. 412 Jiangping Street, Songbei District, Harbin City, Heilongjiang Province, 150000 Patentee after: Harbin Yuzhilin Municipal Engineering Co.,Ltd. Country or region after: China Address before: 153000, Group 14, Yinglin Committee, Wuying Street, Wuying District, Yichun City, Heilongjiang Province Patentee before: Yu Qian Country or region before: China Patentee before: Xing Hang |
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