CN109882216B - Tunnel elastomer modified asphalt waterproofing membrane prevents bulging laying device - Google Patents
Tunnel elastomer modified asphalt waterproofing membrane prevents bulging laying device Download PDFInfo
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- CN109882216B CN109882216B CN201910275620.9A CN201910275620A CN109882216B CN 109882216 B CN109882216 B CN 109882216B CN 201910275620 A CN201910275620 A CN 201910275620A CN 109882216 B CN109882216 B CN 109882216B
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Abstract
The invention discloses a tunnel elastomer modified asphalt waterproof coiled material anti-bulging laying device which structurally comprises an asphalt waterproof coiled material laying main machine, a hand-push handle and a movable wheel, wherein the tail end of the asphalt waterproof coiled material laying main machine is welded with the bottom end of the hand-push handle, a translation uniform spray gun on a spray gun strong fire mechanism moves left and right to spray flame, so that the asphalt waterproof coiled material is uniformly baked and laid, and at the moment, a small amount of molten material is extruded from two sides of the asphalt waterproof coiled material to be scraped off when the asphalt waterproof coiled material is baked through an asphalt molten material cleaning mechanism, so that the molten material is effectively prevented from hardening at two sides of the asphalt waterproof coiled material, the laying is ensured not to locally bulge, and; simultaneously, compaction is carried out through the offset compression roller mechanism, and offset compaction is generated on the offset compression roller mechanism, so that the uneven surface inside the tunnel is ensured, the air inside the tunnel can be completely discharged, and the elastomer modified asphalt waterproof coiled material is prevented from being wrinkled and distorted.
Description
Technical Field
The invention relates to the field of tunnel construction tools, in particular to an anti-bulging laying device for an asphalt waterproof coiled material.
Background
Elastomer modified asphalt waterproofing membrane has advantages such as heat-resisting, cold-resistant, corrosion-resistant, is the waterproof material that a usage is extensive, the performance is excellent, is used for water proof protection by laying in the tunnel inside, adopts laying device to lay elastomer modified asphalt waterproofing membrane in the work progress, but present laying device has following drawback:
in the laying process of the elastomer modified asphalt waterproof coiled material, a liquefied gas spray gun is used for moving and baking a bonding surface with strong fire, then a foot is used for pushing and rolling for bonding, and a compression roller is used for compacting, so that a small amount of melt can be extruded out of the edge part, the melt is not cleaned in time, the melt is hardened, the following laying is locally bulged, and the waterproof performance is influenced; and when the paved surface in the tunnel is uneven, the air in the tunnel cannot be completely discharged by adopting compression roller compaction, so that the elastomer modified asphalt waterproof coiled material is wrinkled and distorted.
Disclosure of Invention
The technical scheme adopted by the invention for realizing the technical purpose is as follows: the tunnel elastomer modified asphalt waterproof coiled material anti-bulging laying device structurally comprises an asphalt waterproof coiled material laying host machine, a hand push handle and moving wheels, wherein the tail end of the asphalt waterproof coiled material laying host machine is welded with the bottom end of the hand push handle, the moving wheels are provided with two parts and fixedly mounted below the tail end of the asphalt waterproof coiled material laying host machine, the asphalt waterproof coiled material laying host machine comprises a moving frame body, an asphalt waterproof coiled material drum, a spray gun strong fire mechanism, an asphalt melt cleaning mechanism and an offset compression roller mechanism, the moving frame body is welded with the bottom end of the hand push handle, the asphalt waterproof coiled material drum is mounted inside the moving frame body, the spray gun strong fire mechanism is mounted inside the moving frame body, the asphalt waterproof coiled material drum is positioned above the spray gun strong fire mechanism, the asphalt melt cleaning mechanism is provided with two parts and mounted at two ends of the moving frame body, and the offset compression roller mechanism is fixedly arranged in the movable frame body and is positioned at the front end of the strong fire mechanism of the spray gun.
Further, the spray gun strong fire mechanism includes liquefaction case, liquefied gas coupling hose, translation slide bar, the even spray gun of translation, liquefaction case and liquefied gas coupling hose head end fixed connection, the even spray gun fixed connection of liquefied gas coupling hose end and translation, the translation slide bar runs through inside the even spray gun of translation and adopts clearance fit, and through the positive and negative rotation of translation slide bar, it controls spray flame to have driven the even spray gun of translation, ensures that pitch waterproofing membrane evenly toasts, avoids blue or green waterproofing membrane to be heated the inequality and takes place, and black burnt appears in the surface.
Further, pitch melt clearance mechanism scrapes clearance mechanism including fine setting riser, lift slide bar, melt, fine setting riser lower extreme is equipped with lift slide bar, the lift slide bar lower extreme is installed through the embedding mode and is scraped clearance mechanism inside and adopt clearance fit at the melt, and the melt is scraped clearance mechanism and is equipped with two altogether and install and lay pitch waterproofing membrane both sides, rotates through lift slide bar, adjusts the melt and scrapes clearance mechanism and go up and down to remove, when guaranteeing the inside unevenness in tunnel, adjusts the melt and scrapes clearance mechanism and can scrape the better laminating of pitch waterproofing membrane.
Further, the clearance mechanism is scraped to the fuse-element includes waterproofing membrane edge scraping mouth, the one-way switching board of scraping mouth, edge both sides compactor, melt commodity circulation stand pipe, the inside fixed mounting of waterproofing membrane edge scraping mouth has the one-way switching board of scraping mouth, edge both sides compactor fixed mounting is in waterproofing membrane edge scraping mouth both sides, fuse-element fluid stand pipe and waterproofing membrane edge scraping mouth fixed connection, waterproofing membrane edge scraping mouth are the pipe shape to the lower extreme is equipped with sharp mouthful, through the in-process of laying, and waterproofing membrane edge scraping mouth removes, extrudes a small amount of fuse-element with both sides when baking pitch waterproofing membrane and strikes off, and the effectual fuse-element of avoiding takes place the sclerosis in pitch waterproofing membrane both sides.
Further, the melt fluid guide pipe comprises a backflow prevention port, a fluid spiral guider and a melt storage box, the head end of the backflow prevention port is fixedly connected with the edge scraping port of the waterproof coiled material, the head end of the fluid spiral guider is fixedly connected with the tail end of the backflow prevention port, and the tail end of the fluid spiral guider is installed inside the melt storage box.
Further, the offset press roll mechanism comprises a rotary air pressure pipe, an offset pressure division chamber, an offset driving rod and a flat compacting plate, wherein the offset pressure division chamber is arranged in the rotary air pressure pipe, the offset driving rod is installed in the offset pressure division chamber in an embedded mode and is in clearance fit, and the tail end of the offset driving rod is welded with the flat compacting plate.
Further, level and smooth compacting plate includes arc compacting plate, both sides skew slide bar, arc skew drive plate, level and smooth compaction ball, the inside both sides skew slide bar that is equipped with of arc compacting plate, both sides skew slide bar runs through inside the arc skew drive plate and adopt clearance fit, arc skew drive plate and level and smooth compaction ball fixed connection.
The invention has the beneficial effects that: the asphalt waterproof coiled material is unreeled through an asphalt waterproof coiled material reel, the spray gun strong fire mechanism is started at the moment, the translation uniform spray gun on the spray gun strong fire mechanism moves leftwards and rightwards to spray flame, so that the asphalt waterproof coiled material is uniformly baked and then laid, and a small amount of melt is extruded from two sides of the asphalt waterproof coiled material to be scraped when the asphalt waterproof coiled material is baked through the asphalt melt cleaning mechanism, so that the melt is effectively prevented from hardening at two sides of the asphalt waterproof coiled material, the laying is ensured not to generate local bulging, and the waterproof performance is kept; simultaneously, compaction is carried out through the offset compression roller mechanism, and offset compaction is generated on the offset compression roller mechanism, so that the uneven surface inside the tunnel is ensured, the air inside the tunnel can be completely discharged, and the elastomer modified asphalt waterproof coiled material is prevented from being wrinkled and distorted.
Drawings
Fig. 1 is a schematic structural view of the anti-swelling laying device for the tunnel elastomer modified asphalt waterproof coiled material.
Fig. 2 is a perspective view of a paving machine for asphalt waterproof rolls according to the present invention.
FIG. 3 is a perspective view of an asphalt melt cleaning mechanism according to the present invention.
FIG. 4 is a side cross-sectional view of a melt scraping and cleaning mechanism of the present invention.
FIG. 5 is an elevational, cross-sectional view of a melt flow conduit according to the present invention.
Fig. 6 is a schematic structural diagram of an operating state of the offset roller mechanism of the present invention.
FIG. 7 is a front cross-sectional view of an offset nip roller mechanism of the present invention.
Fig. 8 is a perspective partial cross-sectional view of a flat compaction plate according to the invention.
In the figure: an asphalt waterproof coiled material laying host machine-1, a hand push handle-2, a moving wheel-3, a moving frame-11, an asphalt waterproof coiled material reel-12, a spray gun strong fire mechanism-13, an asphalt melt cleaning mechanism-14, a deviation compression roller mechanism-15, a liquefaction box-131, a liquefied gas connecting hose-132, a translation sliding rod-133, a translation uniform spray gun-134, a fine adjustment lifter-141, a lifting sliding rod-142, a melt scraping cleaning mechanism-143, a waterproof coiled material edge scraping port-1431, a scraping port one-way opening and closing plate-1432, an edge two-side compactor-1433, a melt fluid guide pipe-1434, a backflow prevention port-14341, a fluid spiral guide-14342, a melt storage box-14343, a rotary pneumatic pipe-151, a pneumatic pipe-1434, a spray gun strong fire mechanism-13, a, An offset pressure-dividing chamber-152, an offset driving rod-153, a leveling compacting plate-154, an arc compacting plate-1541, two-side offset sliding rods-1542, an arc offset driving plate-1543 and a leveling compacting ball-1544.
Detailed Description
Examples
Referring to fig. 1-8, the tunnel elastomer modified asphalt waterproof coiled material anti-swelling laying device of the present invention structurally includes an asphalt waterproof coiled material laying main machine 1, a hand push handle 2, and a moving wheel 3, wherein a terminal of the asphalt waterproof coiled material laying main machine 1 is welded to a bottom end of the hand push handle 2, the moving wheel 3 is provided with two wheels and is fixedly installed below the terminal of the asphalt waterproof coiled material laying main machine 1, the asphalt waterproof coiled material laying main machine 1 includes a moving frame 11, an asphalt waterproof coiled material reel 12, a spray gun strong fire mechanism 13, an asphalt melt cleaning mechanism 14, and an offset compression roller mechanism 15, the moving frame 11 is welded to the bottom end of the hand push handle 2, the asphalt waterproof coiled material reel 12 is installed inside the moving frame 11, the spray gun strong fire mechanism 13 is installed inside the moving frame 11, and the asphalt waterproof coiled material reel 12 is located above the spray gun strong fire mechanism 13, the two pitch melt cleaning mechanisms 14 are arranged at two ends of the movable frame 11, and the offset compression roller mechanism 15 is fixedly arranged in the movable frame 11 and is positioned at the front end of the spray gun strong fire mechanism 13.
Spray gun strong fire mechanism 13 includes liquefaction case 131, liquefied gas coupling hose 132, translation slide bar 133, the even spray gun of translation 134, liquefaction case 131 and liquefied gas coupling hose 132 head end fixed connection, liquefied gas coupling hose 132 end and the even spray gun of translation 134 fixed connection, translation slide bar 133 runs through inside and adopt clearance fit in the even spray gun of translation 134, through translation slide bar 133 just reversing, has driven the even spray gun of translation 134 and has controlled spray flame, ensures that pitch waterproofing membrane evenly toasts, avoids blue or green waterproofing membrane to be heated the inequality and takes place, and black burnt appears in the surface.
Pitch melt clearance mechanism 14 scrapes clearance mechanism 143 including fine adjustment riser 141, lift slide bar 142, fuse, fine adjustment riser 141 lower extreme is equipped with lift slide bar 142, lift slide bar 142 lower extreme is installed through the embedding mode that the fuse is scraped inside clearance mechanism 143 and is adopted clearance fit, and the fuse is scraped clearance mechanism 143 and is equipped with two altogether and install in laying pitch waterproofing membrane both sides, rotates through lift slide bar 142, adjusts the fuse and scrapes clearance mechanism 143 and go up and down to remove, when guaranteeing the inside unevenness in tunnel, adjusts the fuse and scrapes clearance mechanism 143 and can with the better laminating of pitch waterproofing membrane.
The smelt scraping and cleaning mechanism 143 comprises a waterproof roll edge scraping port 1431, a scraping port one-way opening and closing plate 1432, an edge two-side compactor 1433 and a smelt liquid guiding pipe 1434, the scraping port one-way opening and closing plate 1432 is fixedly installed inside the waterproof roll edge scraping port 1431, the edge two-side compactor 1433 is fixedly installed on two sides of the waterproof roll edge scraping port 1431, the smelt liquid guiding pipe 1434 is fixedly connected with the waterproof roll edge scraping port 1431, the waterproof roll edge scraping port 1431 is in a round pipe shape, a sharp opening is formed in the lower end of the waterproof roll edge scraping port 1431, the waterproof roll edge scraping port 1431 moves in the laying process, a small amount of smelt is extruded from two sides of the asphalt waterproof roll during baking, and the smelt is effectively prevented from hardening on two sides of the asphalt waterproof roll.
The smelt flow conduit 1434 includes a backflow prevention port 14341, a flow screw guide 14342, and a smelt receiving tank 14343, wherein a head end of the backflow prevention port 14341 is fixedly connected to the waterproofing membrane edge scraping port 1431, a head end of the flow screw guide 14342 is fixedly connected to a tail end of the backflow prevention port 14341, and a tail end of the flow screw guide 14342 is installed inside the smelt receiving tank 14343.
The offset pressing roller mechanism 15 comprises a rotary air pressure pipe 151, an offset pressure-dividing chamber 152, an offset driving rod 153 and a flat compacting plate 154, wherein the offset pressure-dividing chamber 152 is arranged in the rotary air pressure pipe 151, the offset driving rod 153 is installed in the offset pressure-dividing chamber 152 in an embedding mode and is in clearance fit, and the tail end of the offset driving rod 153 is welded with the flat compacting plate 154.
The leveling compacting plate 154 comprises an arc-shaped compacting plate 1541, two-side offset sliding rods 1542, an arc-shaped offset driving plate 1543 and a leveling compacting ball 1544, wherein the two-side offset sliding rods 1542 are arranged inside the arc-shaped compacting plate 1541, the two-side offset sliding rods 1542 penetrate through the inside of the arc-shaped offset driving plate 1543 and are in clearance fit, and the arc-shaped offset driving plate 1543 is fixedly connected with the leveling compacting ball 1544.
Referring to fig. 5, the backflow prevention port 14341 has a wide inlet and a narrow outlet, so that backflow of the scraped melt can be prevented, and the fluid spiral guide 14342 has a spiral structure, so that backflow can be prevented when the fluid flows by using the fluid spiral guide 14342 due to the fluid property of the molten asphalt.
Referring to fig. 7, the rotary pneumatic tube 151 is of a cylindrical structure, and a rotating shaft is arranged in the middle of the rotary pneumatic tube, the rotary pneumatic tube 151 is driven to rotate by the rotating shaft, at this time, air pressure inside the rotary pneumatic tube 151 is divided by the offset pressure dividing chamber 152, the offset driving rod 153 is driven to move, the leveling compacting plates 154 are pushed out, the number of the leveling compacting plates 154 is four, air pressure thrust forces applied to the four leveling compacting plates 154 are different, and thus, the four leveling compacting plates 154 perform leveling compacting on the uneven tunnel pavement.
Referring to fig. 8, the arc compacting plate 1541 is an arc mechanism and is provided with four, the two offset sliding rods 1542 on two sides are cylindrical structures, and are provided with two offset sliding rods, and penetrate through two sides of the arc offset driving plate 1543, the arc offset driving plate 1543 is free to offset on the two offset sliding rods 1542 on two sides, so that the smooth compacting ball 1544 is pushed to compact the pores on the uneven surface, the air inside the smooth compacting ball is completely discharged, and the elastomer modified asphalt waterproof coiled material is prevented from being buckled and distorted.
The invention has the following use modes and functions: promote hand push 2 and make pitch waterproofing membrane lay host computer 1 and remove, lay pitch waterproofing membrane through pitch waterproofing membrane reel 12 inside host computer 1 and unreel pitch waterproofing membrane, transmit liquefied gas for liquefied gas coupling hose 132 through liquefaction case 13 simultaneously, spray flame through the even spray gun 134 of translation, translation slide bar 133 is just reversing at this moment, the even spray gun 134 of translation has been driven and has been moved about, evenly toast pitch waterproofing membrane, avoid pitch waterproofing membrane surface to appear black burnt, then carry out work through fine tuning riser 141 on pitch melt clearance mechanism 14, at this moment, lift slide bar 142 rotates, it scrapes clearance mechanism 143 and carries out the lift adjustment to drive the melt, ensure that the melt scrapes clearance mechanism 143 and carries out better laminating with pitch waterproofing membrane both sides, at this moment, both sides extrude a small amount of melt through waterproofing membrane edge scraping opening 1431 when toasting pitch waterproofing membrane and strike off, the phenomenon that melts are hardened on two sides of the asphalt waterproof coiled material is effectively avoided, the two sides of the asphalt waterproof coiled material are extruded by the compactors 1433 on the two sides of the edge while scraping is carried out, the phenomenon that the two sides of the asphalt waterproof coiled material are tilted in the scraping process is avoided, and the melts enter the melt fluid guide pipe 1434 for storage; meanwhile, the air pressure is distributed to the four offset pressure distribution chambers 152 through the rotating air pressure pipe 151, the offset pressure distribution chambers 152 obtain the air pressure, the offset driving rod 153 moves at the moment, the flat compaction plate 154 is pushed out, different pressures are obtained through the four flat compaction plates 154, the uneven pavement surface is subjected to offset extrusion, the arc-shaped offset driving plate 1543 is used for offsetting on the offset sliding rods 1542 on the two sides to drive the flat compaction ball 1544 to offset, some pores on the pavement surface are subjected to offset compaction, the internal air is effectively and completely discharged, and the phenomenon that the elastic body modified asphalt waterproof coiled material is buckled and distorted is avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (3)
1. The utility model provides a tunnel elastomer modified asphalt waterproofing membrane prevents bulging laying device, its structure includes that asphalt waterproofing membrane lays host computer (1), hand push (2), removal wheel (3), asphalt waterproofing membrane lays host computer (1) end and hand push and welds (2) bottom mutually, its characterized in that:
the two moving wheels (3) are arranged and fixedly arranged below the tail end of the asphalt waterproof coiled material paving main machine (1);
the asphalt waterproof coiled material paving host machine (1) comprises a movable frame body (11), an asphalt waterproof coiled material winding drum (12), a spray gun strong fire mechanism (13), an asphalt melt cleaning mechanism (14) and a deviation compression roller mechanism (15);
the movable frame body (11) is welded with the bottom end of the hand push handle (2), an asphalt waterproof coiled material drum (12) is arranged inside the movable frame body (11), the spray gun strong fire mechanism (13) is arranged inside the movable frame body (11), the asphalt waterproof coiled material drum (12) is positioned above the spray gun strong fire mechanism (13), the asphalt melt cleaning mechanisms (14) are provided with two and arranged at two ends of the movable frame body (11), and the offset compression roller mechanism (15) is fixedly arranged inside the movable frame body (11) and positioned at the front end of the spray gun strong fire mechanism (13);
the spray gun strong fire mechanism (13) comprises a liquefaction box (131), a liquefied gas connecting hose (132), a translation sliding rod (133) and a translation uniform spray gun (134), wherein the liquefaction box (131) is fixedly connected with the head end of the liquefied gas connecting hose (132), the tail end of the liquefied gas connecting hose (132) is fixedly connected with the translation uniform spray gun (134), and the translation sliding rod (133) penetrates through the interior of the translation uniform spray gun (134) and is in clearance fit;
the asphalt melt cleaning mechanism (14) comprises a micro-adjusting lifter (141), a lifting slide bar (142) and a melt scraping and cleaning mechanism (143), wherein the lifting slide bar (142) is arranged at the lower end of the micro-adjusting lifter (141), and the lower end of the lifting slide bar (142) is installed in the melt scraping and cleaning mechanism (143) in an embedded mode and is in clearance fit;
the smelt scraping and cleaning mechanism (143) comprises a waterproof roll edge scraping port (1431), a scraping port one-way opening and closing plate (1432), an edge two-side compactor (1433) and a smelt fluid guide pipe (1434), wherein the scraping port one-way opening and closing plate (1432) is fixedly installed inside the waterproof roll edge scraping port (1431), the edge two-side compactors (1433) are fixedly installed on two sides of the waterproof roll edge scraping port (1431), and the smelt fluid guide pipe (1434) is fixedly connected with the waterproof roll edge scraping port (1431);
the melt flow guide pipe (1434) comprises a backflow prevention port (14341), a flow spiral guide (14342) and a melt containing box (14343), wherein the head end of the backflow prevention port (14341) is fixedly connected with the edge scraping port (1431) of the waterproof coiled material, the head end of the flow spiral guide (14342) is fixedly connected with the tail end of the backflow prevention port (14341), and the tail end of the flow spiral guide (14342) is installed inside the melt containing box (14343).
2. The tunnel elastomer modified asphalt waterproof roll material anti-swelling laying device according to claim 1, characterized in that: the offset pressing roller mechanism (15) comprises a rotary air pressure pipe (151), an offset pressure-dividing chamber (152), an offset driving rod (153) and a flattening compacting plate (154), wherein the offset pressure-dividing chamber (152) is arranged inside the rotary air pressure pipe (151), the offset driving rod (153) is installed inside the offset pressure-dividing chamber (152) in an embedding mode and is in clearance fit, and the tail end of the offset driving rod (153) is welded with the flattening compacting plate (154).
3. The tunnel elastomer modified asphalt waterproof roll material anti-swelling laying device according to claim 2, characterized in that: flattening compaction plate (154) includes arc compaction plate (1541), both sides skew slide bar (1542), arc skew drive plate (1543), flattens compaction ball (1544), arc compaction plate (1541) is inside to be equipped with both sides skew slide bar (1542), both sides skew slide bar (1542) run through inside and adopt clearance fit in arc skew drive plate (1543), arc skew drive plate (1543) and flattening compaction ball (1544) fixed connection.
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| CN201910275620.9A CN109882216B (en) | 2019-04-08 | 2019-04-08 | Tunnel elastomer modified asphalt waterproofing membrane prevents bulging laying device |
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| CN201910275620.9A CN109882216B (en) | 2019-04-08 | 2019-04-08 | Tunnel elastomer modified asphalt waterproofing membrane prevents bulging laying device |
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| CN112127256A (en) * | 2020-10-15 | 2020-12-25 | 张静 | Road crack welding machine |
| CN112279321B (en) * | 2020-10-16 | 2022-10-11 | 太原市政建设集团有限公司 | Filter tank construction equipment for sewage plant |
| CN117846663B (en) * | 2024-03-07 | 2024-05-17 | 河南省亿鸿防腐安装工程有限公司 | Waterproofing membrane of municipal tunnel lays equipment |
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| CN2821016Y (en) * | 2005-09-04 | 2006-09-27 | 王新格 | Novel water-proof coil laying machine |
| CN101109210A (en) * | 2006-07-18 | 2008-01-23 | 王新格 | Water-proof coiled material layer |
| CN106088491B (en) * | 2016-06-28 | 2018-08-10 | 王玉志 | A kind of asphalt water-proof coiled material laying trolley |
| CN207228504U (en) * | 2017-08-09 | 2018-04-13 | 北京东方雨虹防水工程有限公司 | It is energy saving to heat the waterproof roll locomotive that paves |
| CN207453303U (en) * | 2017-11-15 | 2018-06-05 | 保定市华建防水材料厂 | A kind of waterproof roll melts constructing device |
| CN207794461U (en) * | 2018-01-31 | 2018-08-31 | 富华防水科技股份有限公司 | A kind of EVA water-proof coiled material layers |
| CN208415733U (en) * | 2018-04-16 | 2019-01-22 | 冯桂凤 | A kind of waterproof roll laying apparatus |
| CN108678304A (en) * | 2018-05-18 | 2018-10-19 | 安徽朗凯奇建材有限公司 | A kind of waterproof roll installation apparatus and its laying method |
| CN208618688U (en) * | 2018-07-28 | 2019-03-19 | 安徽禹王防水建材有限公司 | A kind of reinforcement polymer membranes laying apparatus |
| CN109577660A (en) * | 2018-12-13 | 2019-04-05 | 怀化市建新建材有限公司 | A kind of base's pre-processing device being laid with for modified bituminous pitch coiled material |
| CN109577659A (en) * | 2018-12-13 | 2019-04-05 | 怀化市建新建材有限公司 | A kind of adjustable modified bituminous pitch coiled material laying apparatus |
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Effective date of registration: 20200612 Address after: 550029 Qishan resettlement site, HuChao Township, Gui'an New District, Guiyang City, Guizhou Province Applicant after: CHINA RAILWAY (GUIZHOU) MUNICIPAL ENGINEERING Co.,Ltd. Address before: 257091 Shandong Provincial Highway Bridge Inspection Center, No. 130, front street, Dongying, Shandong Applicant before: Huang Zhimin |
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Address after: 550029 Qishan resettlement site, HuChao Township, Gui'an New District, Guiyang City, Guizhou Province Patentee after: China Railway 17th Bureau Group Urban Construction Co., Ltd Address before: 550029 Qishan resettlement site, HuChao Township, Gui'an New District, Guiyang City, Guizhou Province Patentee before: CHINA RAILWAY (GUIZHOU) MUNICIPAL ENGINEERING Co.,Ltd. |