CN114197766B - Construction waterproof material paving device and method - Google Patents
Construction waterproof material paving device and method Download PDFInfo
- Publication number
- CN114197766B CN114197766B CN202111510552.3A CN202111510552A CN114197766B CN 114197766 B CN114197766 B CN 114197766B CN 202111510552 A CN202111510552 A CN 202111510552A CN 114197766 B CN114197766 B CN 114197766B
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- rod
- transmission
- fixedly connected
- paving
- transmission gear
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D15/00—Apparatus or tools for roof working
- E04D15/06—Apparatus or tools for roof working for handling roofing or sealing material in roll form
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/665—Sheets or foils impervious to water and water vapor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
Abstract
The invention relates to the technical field of building construction, in particular to a building construction waterproof material paving device and a method thereof. According to the invention, the rolling wheels are arranged on the cross rod, the bottoms of the two support rods can rotate oppositely through the power mechanism, so that the rolling wheels are in contact with the ground, then the paving module is supported, the paving device can transversely move through the rolling wheels, the advancing direction of the paving device during paving is not changed, and the waterproof coiled material paved by the paving device can be parallel to the waterproof coiled material paved at the last time, so that the paving of the waterproof coiled material is facilitated.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a paving device and a paving method for a building construction waterproof material.
Background
The building waterproofing plays an important role in building engineering, which relates to waterproofing of parts such as basements and roofs of buildings, prevents leakage of rainwater, domestic water and the like and erosion of underground water, ensures that building structures and internal spaces are not damaged, ensures that the interior of the buildings can have a comfortable and safe space environment, and usually lays waterproofing materials such as waterproof coiled materials on the ground during building waterproofing;
when waterproofing membrane was laid to current waterproof material device of mating formation, the device of mating formation was laid behind a bank of waterproofing membrane, and the device sideslip area of will mating formation is one line down directly usually, because when the device was mated formation in the sideslip, the advancing direction of the device of mating formation changed easily for waterproofing membrane that the device of mating formation laid and last waterproofing membrane laid intersect easily, and be unparallel, be unfavorable for mating formation of waterproofing membrane.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a building construction waterproof material paving device and a method thereof.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a building construction waterproof material device of mating formation, is including the module of mating formation, the module fixedly connected with sideslip module of mating formation, the sideslip module includes two dead levers, the dead lever medial surface rotates and is connected with two-way lead screw, two-way lead screw side both ends all close the sliding block that is connected with dead lever medial surface sliding connection soon, the sliding block side rotates and is connected with the bracing piece with the contact of dead lever side, bracing piece side top rotates and is connected with and the module fixed block of mating formation fixed connection, two bracing piece side fixedly connected with horizontal pole, bracing piece side bottom rotates and is connected with the stopper with horizontal pole medial surface sliding connection, horizontal pole side both sides all are provided with the wheel that rolls, roll wheel side fixedly connected with and the connecting axle that the horizontal pole medial surface rotates, a dead lever one side fixedly connected with be used for driving two-way lead screw pivoted power unit, power unit can drive two-way lead screw and rotate, makes two sliding blocks on same two-way lead screw move in opposite directions, makes two bracing piece bottoms rotate in opposite directions to make the wheel and ground contact, thereby prop up the module of mating formation through the wheel, can make the device of mating formation sideslip device of mating formation, and the coiled material can be favorable to the waterproofing of mating formation the waterproofing roll sideslip device, and the waterproofing roll of mating formation, and the waterproofing roll of the coiled material when the waterproofing membrane is laid like this.
Further, the method comprises the following steps: two dead lever side fixedly connected with pin, pin medial surface both sides all rotate be connected with adjacent two-way lead screw fixed connection's turning block, two the fixed cover in turning block side has connect belt pulley one, two belt pulley one is connected through belt transmission, and two-way lead screw can drive the turning block and rotate, and two turning blocks can keep synchronous rotation through belt pulley one to make two-way lead screws keep synchronous rotation.
Further, the method comprises the following steps: the power mechanism comprises a shell, a first rotating rod and a first transmission rod are connected to the inner side surface of the shell in a rotating mode, a second belt pulley is fixedly sleeved on one side surface of the first rotating rod and one side surface of the first transmission rod, the two second belt pulleys are connected through belt transmission, the first transmission rod is connected with one end of an adjacent two-way screw rod in a transmission mode, a motor is fixedly connected to the top of the inner side surface of the shell, a transmission shaft connected with the inner side surface of the shell in a transmission mode is connected in a transmission mode, a first transmission gear is fixedly sleeved on one side surface of the rotating rod, a third transmission gear is fixedly sleeved on the side surface of the transmission shaft, the side surface of the shell is connected with a sliding plate in sliding connection with the inner side surface of the shell in a rotating mode, the first transmission gear and the third transmission gear are in four-meshed transmission mode, the motor can enable the transmission shaft to rotate, the transmission shaft can drive the first rotating rod through the first transmission gear, the third transmission gear and the first transmission rod, the first transmission rod can drive the two-way screw rods to rotate, so that the two-way sliding blocks move towards each other to enable rolling wheels to be in contact with the ground, and accordingly the rolling wheels to support the module.
Further, the method comprises the following steps: the paving module comprises a supporting plate, a fixed plate is fixedly connected to the top surface of the supporting plate, the side surface of the fixed plate is in sliding connection with the side surface of the shell, when the supporting rod rotates downwards, the fixed rod and the cross rod can move downwards, the fixed rod can drive the shell to move downwards along the fixed plate, a paving mechanism is fixedly connected to the top surface of the supporting plate, roller frames are arranged on two sides of the bottom surface of the supporting plate, rolling wheels can be in contact with the ground without supporting the paving module, so that the position of the paving device can be fixed through the roller frames and the rolling wheels, the paving module is convenient to use, a fixed seat fixedly connected with the bottom surface of the supporting plate is rotatably connected to the side surface of each roller frame, sliding seats are respectively and slidably connected to two sides of the bottom surface of the supporting plate, two opposite surfaces of the sliding seats are rotatably connected with two grinding rollers, a waterproof coiled material can be placed in the paving mechanism, when the paving device advances, the spreading mechanism can discharge a waterproof coiled material, the waterproof coiled material can pass through the space between two rolling rollers after passing through the strip-shaped groove on the supporting plate, the waterproof coiled material is pressed on the ground through the rolling rollers so as to be spread, the bottom surface of the supporting plate is fixedly connected with the top surface of the fixed block, the inner side surface of the shell is rotatably connected with a second rotating rod, the inner side surface of the shell is provided with a second transmission rod which is in transmission connection with the side surface of a roller frame, the second transmission rod and the two side surfaces of the rotating rod are fixedly sleeved with a third belt pulley, the two third belt pulleys are in transmission connection through a belt, the two side surfaces of the rotating rod are fixedly sleeved with a second transmission gear corresponding to the other fourth transmission gear, a positioning screw rod can be rotated, the sliding plate drives the two fourth transmission gears to move, so that the first transmission gear and the third transmission gear are both separated from the fourth transmission gear, and the second transmission gear and the third transmission gear are both meshed with the other transmission gear, the motor can be started, the motor can drive the transmission shaft to rotate, the transmission shaft can drive the rotating rod two to rotate through the transmission gear two, the transmission gear three and the other transmission gear four, the rotating rod two can drive the transmission rod two to rotate through the belt pulley three, and the transmission rod two can drive the roller carrier to rotate, so that the paving device can move forward to pave the waterproof coiled material conveniently.
Further, the method comprises the following steps: the utility model discloses a waterproof roll paving device, including backup pad, fixed frame, connecting rod, drive screw rod, connecting rod, rectangular block, the fixed frame of backup pad bottom surface one side fixedly connected with and casing fixed connection, and fixed frame side and a sliding seat side sliding connection, fixed frame side fixedly connected with and another gyro wheel frame contact's transmission box, the transmission box of side top all rotates with the bottom and is connected with the connecting rod in the transmission box, and the connecting rod one end that is located the bottom is connected with another gyro wheel frame transmission, two the connecting rod side is all fixed to be cup jointed belt pulley four, and two belt pulley four are crossed the belt transmission to two belt pulley four, the rectangular block side is connected with fixed frame medial surface sliding connection's rectangular block with a sliding seat side fixed connection, when the device of mating formation advances to lay the opposite side from one side of roof to the opposite side, another gyro wheel frame can roll on the ground, and the gyro wheel frame can drive the connecting rod rotation, and two connecting rod can drive the screw rod rotation through bevel gear, and drive the drive screw rod rotation, can drive the rectangular block and move to the opposite side of laying the device of mating formation from one side of roof and the opposite side is convenient for the roof, and the device is laid on the opposite side is laid, and the other side is convenient for the roof is laid the rectangular block, and the roof is laid.
Further, the method comprises the following steps: the equal sliding connection in fixed frame medial surface both sides has the extrusion piece, and inside the drive lead screw passed the extrusion piece, extrusion piece side fixedly connected with and fixed frame medial surface fixed connection's spring one, the back is broken away from to the screw thread on rectangular piece and the drive lead screw, under the effect of spring one, the extrusion piece can make rectangular piece and the screw thread one end on the drive lead screw paste, and when drive lead screw antiport, the rectangular piece can close on the screw thread on the drive lead screw again, convenient to use.
Further, the method comprises the following steps: a sleeve rod is arranged on the inner side surface of the fixed rod, the bidirectional screw rod penetrates through the sleeve rod, a ratchet rod is arranged on the side surface of the sleeve rod, two ends of the sleeve rod are respectively connected with a second clamping block in sliding contact with the inner side surface of the fixed rod, the inner side surface of the second clamping block is fixedly connected with a second clamping block in sliding connection with the side surface of the sleeve rod, opposite surfaces of the two sliding blocks are respectively and rotatably connected with a first clamping block in sliding connection with the bidirectional screw rod, and the inner side surface of the first clamping block is fixedly connected with a first clamping block in sliding connection with the side surface of the bidirectional screw rod;
the two sides of the side surface of the sleeve rod are respectively and slidably connected with a ratchet block in contact with the inner side surface of the fixed rod, the two ratchet blocks are positioned between the two ratchet blocks II, the two ratchet blocks are respectively engaged and clamped with the ratchet rod, the inner side surface of each ratchet block is fixedly connected with a clamping block III in sliding connection with the side surface of the sleeve rod, the two sides of the side surface of the sleeve rod are respectively and fixedly connected with a positioning ring in rotating connection with the inner side surface of the fixed rod, the two side surfaces of each positioning ring are respectively and fixedly connected with a spring II, and the two side surfaces of each ratchet block and the two side surfaces of each clamping block are respectively and fixedly connected with one end of the adjacent spring II, so that the ratchet blocks can be kept clamped with the ratchet rod under the action of the springs II;
the side surface of the ratchet rod is fixedly sleeved with a third bevel gear, the inner side surface of the cross rod is rotatably connected with a positioning rod, the side surface of the positioning rod is fixedly sleeved with a double grooved wheel, the side surface of the connecting shaft is fixedly sleeved with a fifth belt pulley, the fifth belt pulley is in transmission connection with one groove of the double grooved wheel through a belt, the side surface of the positioning rod is fixedly sleeved with a second bevel gear in transmission connection with the third bevel gear, when the sliding block is separated from the thread on the bidirectional screw rod, the first clamping tooth block and the second clamping tooth block can be clamped with each other, the bidirectional screw rod continues to rotate at the moment, the sliding block cannot be driven to move, the bidirectional screw rod can drive the first clamping tooth block to rotate through the clamping block, the first clamping tooth block can drive the second clamping tooth block to rotate, the second clamping tooth block can drive the sleeve rod to rotate through the second clamping block, the sleeve rod can drive the ratchet block to rotate through the third clamping block, and the ratchet block can drive the ratchet rod to rotate, the ratchet rod can drive the bevel gear III to rotate, the bevel gear III can drive the positioning rod to rotate through the bevel gear II, the positioning rod can drive the connecting shaft to rotate through the double grooved wheels and the belt pulley V, so that the rolling wheel rolls, the pavement device is enabled to move transversely, the pavement module does not need to be manually pushed, the use is convenient, the positioning rod is meshed and clamped with the ratchet block through the ratchet rod, the bidirectional screw rod rotates reversely, when the rolling wheel is separated from the ground, the ratchet block cannot drive the ratchet rod to rotate, the rolling wheel is prevented from rotating when the pavement module is put down, the ratchet block I can be extruded by the ratchet block II under the action of the spring II, the sliding block is enabled to be always contacted with one end of a thread on the bidirectional screw rod, and therefore when the bidirectional screw rod rotates reversely, the sliding block can be immediately screwed with the thread on the bidirectional screw rod again, and the use is convenient.
Further, the method comprises the following steps: the ratchet rod side rotates and is connected with the spacing ring of dead lever medial surface fixed connection, and the position of ratchet rod can be restricted to the spacing ring.
The application method of the building construction waterproof material paving device is characterized in that the device is specifically used and operated by the following steps:
the method comprises the following steps: one end of a waterproof coiled material in the paving mechanism penetrates through the supporting plate and penetrates between the two rolling rollers, then one end of the waterproof coiled material can be paved on the ground, the positioning screw rod is rotated to enable the transmission gear II and the transmission gear III to be meshed with the other transmission gear IV, the motor is started to enable one roller carrier to rotate, and therefore the paving device is enabled to advance to pave the waterproof coiled material;
step two: after the paving device moves from one side of the roof to the other side of the roof, the waterproof coiled material is cut off through a cutting device and the like, then the positioning screw rod is rotated reversely, the first transmission gear and the third transmission gear are both meshed with the fourth transmission gear, the motor is started to drive the bidirectional screw rod to rotate, so that the support rod rotates, the paving module is supported through the rolling wheel, then the first clamping tooth block and the second clamping tooth block can be clamped with each other, and at the moment, the bidirectional screw rod rotates to drive the rolling wheel to roll, so that the paving device moves transversely;
step three: after the transverse movement is finished, the transmission shaft can be rotated reversely through the motor, so that the rolling wheels move upwards to be separated from the ground;
step four: and rotating the positioning screw rod to enable the second transmission gear and the third transmission gear to be meshed with the other fourth transmission gear, and then enabling a roller frame to rotate through the power mechanism to continue laying the waterproof coiled material.
The invention has the beneficial effects that:
1. the rolling wheels are arranged on the cross rods, the power mechanism can drive the two-way screw rods to rotate, so that the two sliding blocks on the same two-way screw rod move oppositely, the bottoms of the two supporting rods rotate oppositely, the rolling wheels are in contact with the ground, the paving module is supported, the paving device can transversely move through the rolling wheels, the advancing direction of the paving device during paving is not changed, the waterproof coiled material paved by the paving device can be parallel to the waterproof coiled material paved at the last time, paving of the waterproof coiled material is facilitated, the rolling wheels can be in contact with the ground, the paving module is not supported, and therefore the position of the paving device can be fixed through the rolling wheels and the use is facilitated;
2. the two sliding blocks move in opposite directions to be separated from threads on the two-way screw rod, the first clamping tooth block and the second clamping tooth block can be meshed and clamped, the two-way screw rod can drive the sleeve rod to rotate through the first clamping tooth block and the second clamping tooth block, so that the rolling wheel rotates, after the sample binding rolling wheel supports the pavement module, the rolling wheel can drive the pavement module to transversely move, the pavement module does not need to be manually pushed, the use is convenient, the ratchet rod is meshed and clamped with the ratchet block, and when the two-way screw rod reversely rotates, the ratchet block cannot drive the ratchet rod to rotate when the rolling wheel is separated from the ground, so that the rolling wheel is prevented from rotating when the pavement module is put down;
3. be connected with rectangular piece through the drive lead screw spiral, waterproofing membrane can pass between two rolls the roller, then lay waterproofing membrane subaerial through rolling the roller, it advances when laying waterproofing membrane to the opposite side from one side on roof to lay the device of mating formation, another gyro wheel frame can roll subaerial, the roll frame can drive the drive lead screw and rotate, thereby make rectangular piece drive roll and remove to the direction of advance, make roll the roller from the device one side of mating formation remove to the opposite side, when the device of mating formation removes to the opposite side like this, roll the roller can be close to the roof opposite side, thereby can reduce artifical waterproofing membrane's of mating formation length as far as possible.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the device of the present invention;
FIG. 2 is a schematic front view of the apparatus of the present invention;
FIG. 3 is a schematic bottom view of the apparatus of the present invention;
FIG. 4 is a schematic view of the inside elevation of the fixing frame of the present invention;
FIG. 5 is a schematic view of the structure of the fixing rod and the cross rod in the present invention;
FIG. 6 is a schematic view of the inside of the fixing rod of the present invention;
FIG. 7 is a cross-sectional front view of the stem of the present invention;
FIG. 8 is a cross-sectional front view of a latch block of the present invention;
FIG. 9 is a schematic view of the interior of the power mechanism of the present invention;
FIG. 10 is a schematic view of the inner structure of the blocking lever according to the present invention;
fig. 11 is a schematic view of the internal top view of the cross bar of the present invention.
In the figure: 100. a paving module; 110. a support plate; 120. a paving mechanism; 130. a roller frame; 131. a fixed seat; 140. a fixing frame; 141. driving the screw rod; 142. a rectangular block; 143. extruding the block; 144. a first spring; 150. a sliding seat; 151. rolling a roller; 160. a transmission box; 161. a connecting rod; 170. a first bevel gear; 200. a traversing module; 210. fixing the rod; 211. a bidirectional screw rod; 212. a slider; 213. a first clamping tooth block; 214. a first clamping block; 220. a cross bar; 221. positioning a rod; 222. a second bevel gear; 230. a rolling wheel; 231. a connecting shaft; 240. a power mechanism; 241. a housing; 242. rotating the rod I; 2421. a first transmission gear; 243. a first transmission rod; 244. a second transmission rod; 245. rotating the second rod; 2451. a second transmission gear; 246. a motor; 2461. a drive shaft; 2462. a third transmission gear; 247. a sliding plate; 2471. a fourth transmission gear; 248. positioning a screw rod; 250. a stop lever; 251. rotating the block; 260. a support bar; 261. a fixed block; 262. a limiting block; 270. a loop bar; 271. a second latch block; 272. a ratchet block; 273. a positioning ring; 274. a second spring; 275. a second clamping block; 276. a fixture block III; 280. a ratchet rod; 281. a limiting ring; 282. and a third bevel gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, a waterproof material paving device for building construction includes a paving module 100, the paving module 100 is fixedly connected with a traversing module 200, the traversing module 200 includes two fixing rods 210, inner sides of the fixing rods 210 are rotatably connected with a bidirectional screw 211, two ends of a side of the bidirectional screw 211 are rotatably connected with sliding blocks 212 slidably connected with inner sides of the fixing rods 210, a side of each sliding block 212 is rotatably connected with a supporting rod 260 contacting with a side of the fixing rod 210, a top of a side of each supporting rod 260 is rotatably connected with a fixing block 261 fixedly connected with the paving module 100, two sides of each supporting rod 260 are fixedly connected with a cross rod 220, a bottom of a side of each supporting rod 260 is rotatably connected with a limiting block 262 slidably connected with an inner side of the cross rod 220, two sides of the cross rod 220 are respectively provided with rolling wheels 230, a side of each rolling wheel 230 is fixedly connected with a connecting shaft 231 rotatably connected with an inner side of the cross rod 220, one side of one fixing rod 210 is fixedly connected with a power mechanism 240 for driving the bidirectional screw 211 to rotate, the power mechanism 240 can drive the bidirectional screw 211 to rotate, so that the two sliding blocks 212 on the same bidirectional screw 211 move towards each other, thereby enabling the bottoms of the two supporting rods 260 to rotate, and enabling the paving direction of the paving device to be not to be parallel with the paving direction of the paving device, thereby facilitating the paving of the waterproof roll paving device.
The side surfaces of the two fixing rods 210 are fixedly connected with the stop rods 250, the two sides of the inner side surface of each stop rod 250 are rotatably connected with the rotating blocks 251 fixedly connected with the adjacent two-way screw rods 211, the side surfaces of the two rotating blocks 251 are fixedly sleeved with belt pulleys I, the two belt pulleys I are connected through belt transmission, the two-way screw rods 211 can drive the rotating blocks 251 to rotate, and the two rotating blocks 251 can keep synchronous rotation through the belt pulleys I, so that the two-way screw rods 211 keep synchronous rotation.
The power mechanism 240 comprises a shell 241, a rotating rod 242 and a transmission rod 243 are rotatably connected to the inner side surface of the shell 241, a belt pulley II is fixedly sleeved on the side surfaces of the rotating rod 242 and the transmission rod 243, the two belt pulleys II are in transmission connection, the transmission rod 243 is in transmission connection with one end of an adjacent two-way screw rod 211, a motor 246 is fixedly connected to the top of the inner side surface of the shell 241, a transmission shaft 2461 which is rotatably connected with the inner side surface of the shell 241 is in transmission connection with the output end of the motor 246, a transmission gear 2421 is fixedly sleeved on the side surface of the rotating rod 242, a transmission gear III 2462 is fixedly sleeved on the side surface of the transmission shaft 2461, and a positioning screw rod 248 is rotatably connected to the side surface of the shell 241, the side surface of the positioning screw rod 248 is rotatably connected with a sliding plate 247 which is slidably connected with the inner side surface of the shell 241, the side surface of the sliding plate 247 is rotatably connected with two transmission gears four 2471, the transmission gear one 2421 and the transmission gear three 2462 are both in meshed transmission with one transmission gear four 2471, the motor 246 can enable the transmission shaft 2461 to rotate, the transmission shaft 2461 can drive the rotating rod one 242 to rotate through the transmission gear one 2421, the transmission gear three 2462 and the transmission gear four 2471, the rotating rod one 242 can drive the transmission rod one 243 to rotate through the belt pulley two, the transmission rod one 243 can drive the bidirectional screw rod 211 to rotate, so that the two sliding blocks 212 move oppositely, the rolling wheels 230 are contacted with the ground, and the paving module 100 is supported through the rolling wheels 230.
The paving module 100 comprises a supporting plate 110, a fixing plate is fixedly connected to the top surface of the supporting plate 110, the side surface of the fixing plate is slidably connected with the side surface of a shell 241, when a supporting rod 260 rotates downwards, the fixing rod 210 and a cross rod 220 can move downwards, the fixing rod 210 can drive the shell 241 to move downwards along the fixing plate, a paving mechanism 120 is fixedly connected to the top surface of the supporting plate 110, roller frames 130 are arranged on both sides of the bottom surface of the supporting plate 110, a rolling wheel 230 can be in contact with the ground without supporting the paving module 100, thus the position of the paving device can be fixed through the roller frames 130 and the rolling wheels 230, the paving module is convenient to use, a fixing seat 131 fixedly connected with the bottom surface of the supporting plate 110 is rotatably connected to the side surface of the roller frame 130, sliding seats 150 are slidably connected to both sides of the bottom surface of the supporting plate 110, two rolling rollers 151 are rotatably connected to opposite surfaces of the two sliding seats 150, and a waterproof coiled material can be placed in the paving mechanism 120, when the paving device advances, the paving mechanism 120 can discharge the waterproof coiled material, the waterproof coiled material can pass through the two grinding rollers 151 after passing through the strip-shaped groove on the supporting plate 110, the waterproof coiled material is pressed on the ground through the grinding rollers 151 so as to be paved, the bottom surface of the supporting plate 110 is fixedly connected with the top surface of the fixed block 261, the inner side surface of the shell 241 is rotatably connected with the rotating rod two 245, the inner side surface of the shell 241 is provided with the driving rod two 244 in transmission connection with the side surface of one roller frame 130, the driving rod two 244 and the side surface of the rotating rod two 245 are fixedly sleeved with the belt wheel three, the two belt wheel three are in transmission connection through the belt, the side surface of the rotating rod two 245 is fixedly sleeved with the transmission gear two 2451 corresponding to the other transmission gear four 2471, the positioning screw rod 248 can be rotated, the sliding plate 247 drives the two transmission gear four 2471 to move, and the transmission gear one 2421 and the transmission gear three 2462 are separated from the transmission gear four 2471, when the spreading device is made to transversely move, the shell 241 moves downwards and does not drive the transmission rod two 244 to move, so that the belts on the two pulleys three will be loosened, the positioning screw rod 248 is prevented from rotating the roller frame 130 by misoperation, and after the transverse moving is finished and the shell 241 moves upwards to the original position, the belts on the two pulleys three can be tightened again, so that the transmission rod two 244 and the transmission rod two can keep synchronous rotation through the pulleys three again.
One side of the bottom surface of the supporting plate 110 is fixedly connected with a fixing frame 140 fixedly connected with the shell 241, the side of the fixing frame 140 is slidably connected with the side of a sliding seat 150, the side of the fixing frame 140 is fixedly connected with a transmission box 160 contacted with another roller frame 130, the top and the bottom of the inner side surface of the transmission box 160 are both rotatably connected with a connecting rod 161, one end of the connecting rod 161 positioned at the bottom is in transmission connection with the other roller frame 130, the sides of the two connecting rods 161 are both fixedly sleeved with a belt pulley IV and are in transmission connection with the belt, the inner side surface of the fixing frame 140 is rotatably connected with a driving screw rod 141, the sides of the driving screw rod 141 and the connecting rod 161 positioned at the top are both fixedly sleeved with a bevel gear I170, the two bevel gear I170 are in meshing transmission, the side surface of the driving screw rod 141 is rotatably connected with a rectangular block 142 slidably connected with the inner side surface of the fixing frame 140, and the side surface of the rectangular block 142 is fixedly connected with the side surface of the sliding seat 150, when the paving device advances from one side of the roof to the other side to lay the waterproof coiled material, the other roller frame 130 can roll on the ground, the roller frame 130 can drive the connecting rods 161 to rotate, the two connecting rods 161 can synchronously rotate through the belt pulley, the connecting rod 161 positioned at the top can drive the driving screw rod 141 to rotate through the bevel gear I170, the driving screw rod 141 rotates, the rectangular block 142 can drive the sliding seat 150 to move towards the advancing direction of the paving device, so that the rolling roller 151 moves from one side of the paving device to the other side, and after the threads on the rectangular block 142 and the driving screw rod 141 are separated, the rectangular block 142 can stay at the other side of the paving device, so that when the paving device moves to the other side of the roof, the rolling roller 151 can be close to the other side of the roof to continue to lay from the other side of the roof, and a short section of the waterproof coiled material can be laid manually, is convenient for use.
The two sides of the inner side of the fixed frame 140 are both connected with the extrusion blocks 143 in a sliding manner, the driving screw rod 141 penetrates through the extrusion blocks 143, the side of the extrusion blocks 143 is fixedly connected with the first springs 144 fixedly connected with the inner side of the fixed frame 140, after the rectangular blocks 142 are separated from the threads on the driving screw rod 141, the extrusion blocks 143 can enable the rectangular blocks 142 to be attached to one end of the threads on the driving screw rod 141 under the action of the first springs 144, and therefore when the driving screw rod 141 rotates reversely, the rectangular blocks 142 can be screwed on the threads on the driving screw rod 141 again, and use is facilitated.
A sleeve rod 270 is arranged on the inner side surface of the fixed rod 210, the bidirectional screw rod 211 penetrates through the sleeve rod 270, a ratchet rod 280 is arranged on the side surface of the sleeve rod 270, two ends of the sleeve rod 270 are respectively connected with a second latch block 271 in sliding contact with the inner side surface of the fixed rod 210, the inner side surface of the second latch block 271 is fixedly connected with two second latch blocks 275 in sliding connection with the side surface of the sleeve rod 270, opposite surfaces of the two sliding blocks 212 are respectively connected with a first latch block 213 in sliding connection with the bidirectional screw rod 211 in a rotating manner, and the inner side surface of the first latch block 213 is fixedly connected with a first latch block 214 in sliding connection with the side surface of the bidirectional screw rod 211;
the two sides of the side surface of the sleeve rod 270 are respectively and slidably connected with a ratchet block 272 which is in contact with the inner side surface of the fixed rod 210, the two ratchet blocks 272 are positioned between the two second clamping blocks 271, the two ratchet blocks 272 are respectively engaged and clamped with the ratchet rod 280, the inner side surface of the ratchet block 272 is fixedly connected with a third clamping block 276 which is slidably connected with the side surface of the sleeve rod 270, the two sides of the side surface of the sleeve rod 270 are respectively and fixedly connected with a positioning ring 273 which is rotatably connected with the inner side surface of the fixed rod 210, the two side surfaces of the positioning ring 273 are respectively and fixedly connected with a second spring 274, and the ratchet block 272 and the side surfaces of the second clamping blocks 271 are respectively and fixedly connected with one end of the adjacent second spring 274, and under the action of the second spring ratchet 274, the ratchet block 272 can be kept clamped with the ratchet rod 280;
a third bevel gear 282 is fixedly sleeved on the side surface of the ratchet rod 280, a positioning rod 221 is rotatably connected to the inner side surface of the cross rod 220, a double grooved wheel is fixedly sleeved on the side surface of the positioning rod 221, a fifth belt wheel is fixedly sleeved on the side surface of the connecting shaft 231, the fifth belt wheel is in transmission connection with one groove of the double grooved wheel through a belt, a second bevel gear 222 in meshing transmission with the third bevel gear 282 is fixedly sleeved on the side surface of the positioning rod 221, when the sliding block 212 is disengaged from the thread on the double threaded screw 211, the first clamping tooth block 213 and the second clamping tooth block 271 can be clamped with each other, at the moment, the double threaded screw 211 continues to rotate, the sliding block 212 is not driven to move, the first clamping tooth block 213 can drive the first clamping tooth block 213 to rotate through the first clamping tooth block 213, the second clamping tooth block 275 can drive the sleeve rod 270 to rotate, the sleeve rod 270 can drive the ratchet block 272 to rotate through the third clamping block 276, the ratchet block 272 can drive the ratchet rod 280 to rotate, the ratchet rod 280 can drive the third bevel gear 282 to drive the rotation of the third bevel gear 282, the ratchet rod 282 to drive the rotation of the positioning rod 282 to rotate through the second bevel gear, the sliding block 211 and to push the ratchet wheel 230 to rotate reversely, so that the sliding block 211 can be disengaged from the sliding block 230, when the sliding block 230, the sliding block 211, the sliding block 230, and the sliding block 230, and the sliding block 230 can be pushed by the sliding block, and the sliding block 230, the sliding block 230 can be pushed by the sliding block, the sliding block. Is convenient for use. The ratchet rod 280 is rotatably connected with a limiting ring 281 fixedly connected with the inner side of the fixing rod 210, and the limiting ring 281 can limit the position of the ratchet rod 280.
A method for using a paving device of a building construction waterproof material comprises the following specific using and operating steps:
the method comprises the following steps: one end of a waterproof coiled material in the paving mechanism 120 penetrates through the supporting plate 110 and penetrates between the two rolling rollers 151, then one end of the waterproof coiled material can be paved on the ground, the positioning screw rod 248 is rotated, the second transmission gear 2451 and the third transmission gear 2462 are meshed with the fourth transmission gear 2471, the motor 246 is started, one roller frame 130 is rotated, and therefore the paving device is advanced to pave the waterproof coiled material;
step two: after the paving device moves from one side of the roof to the other side of the roof, the waterproof coiled material is cut off through a cutting device and the like, then the positioning screw rod 248 is rotated reversely, the first transmission gear 2421 and the third transmission gear 2462 are both meshed with the fourth transmission gear 2471, the motor 246 is started to drive the two-way screw rod 211 to rotate, so that the supporting rod 260 rotates, the paving module 100 is supported through the rolling wheel 230, then the first clamping tooth block 213 and the second clamping tooth block 271 can be clamped with each other, and at the moment, the two-way screw rod 211 rotates to drive the rolling wheel 230 to roll, so that the paving device moves transversely;
step three: after the traversing is finished, the motor 246 can rotate the transmission shaft 2461 reversely, so that the rolling wheel 230 moves upwards to be separated from the ground;
step four: the positioning screw rod 248 is rotated to enable the transmission gear II 2451 and the transmission gear III 2462 to be meshed with the other transmission gear IV 2471, and then the power mechanism 240 can enable the roller frame 130 to rotate to continue laying the waterproof coiled material.
The working principle is as follows: when the waterproof roll paving device is used, one end of a waterproof roll in the paving mechanism 120 penetrates through the supporting plate 110 and penetrates between the two rolling rollers 151, then one end of the waterproof roll can be paved on the ground, the positioning screw rod 248 is rotated, the sliding plate 247 drives the two transmission gear pairs 2471 to move, so that the transmission gear pair 2421 and the transmission gear pair 2462 are separated from one transmission gear pair 2471, the transmission gear pair 2451 and the transmission gear pair 2462 are meshed with the other transmission gear pair 2471, the motor 246 can be started at the moment, the motor 246 can drive the transmission shaft 2461 to rotate, the transmission shaft 2461 can drive the transmission gear pair 2462 and the other transmission gear pair 2471 to drive the transmission rod pair 245 to rotate, the transmission rod pair 245 can drive the transmission rod pair 244 to rotate through the belt pulley pair, the transmission rod pair 244 can drive one roller frame 130 to rotate, so that the paving device advances, and paving the waterproof roll is paved;
after the paving device moves from one side of the roof to the other side, the waterproof coiled material is cut off through a cutting device and the like, then the positioning screw rod 248 is reversely rotated, the sliding plate 247 drives two transmission gear four 2471 to reversely move, so that the transmission gear one 2421 and the transmission gear three 2462 are both meshed with one transmission gear four 2471, and the transmission gear two 2451 and the transmission gear three 2462 are both separated from the other transmission gear four 2471, at this time, when the motor 246 rotates the transmission shaft 2461, the transmission shaft 2461 can drive the rotating rod one 242 to rotate through the transmission gear one 2421, the transmission gear three 2462 and the transmission gear four 2471, the rotating rod one 242 can drive the transmission rod one 243 to rotate through the belt pulley two, the transmission rod one 243 can drive the two-way screw rod 211 to rotate, the two-way screw rods 211 can synchronously rotate through the belt pulley, when the two-way screw rods 211 rotate, the sliding blocks 212 on the same two-way screw rod 211 can move oppositely, the sliding block 212 can drive the bottom of the supporting rod 260 to rotate, so that the fixing rod 210 and the cross rod 220 move downwards, the rolling wheel 230 can contact the ground, and the paving module 100 is supported through the rolling wheel 230;
when the sliding block 212 drives the first latch block 213 to move, and the sliding block 212 is disengaged from the threads on the bidirectional screw 211, the first latch block 213 and the second latch block 271 can be engaged with each other, at this time, the bidirectional screw 211 continues to rotate, and the sliding block 212 will not be driven to move, and the bidirectional screw 211 can drive the first latch block 213 to rotate through the first latch block 214, the first latch block 213 can drive the second latch block 271 to rotate, the second latch block 271 can drive the sleeve rod 270 to rotate through the second latch block 275, the sleeve rod 270 can drive the ratchet block 272 to rotate through the third latch block 276, the ratchet block 272 can drive the ratchet rod 280 to rotate, the ratchet rod 280 can drive the third bevel gear 282 to rotate, the third bevel gear 282 can drive the positioning rod 221 to rotate through the second bevel gear 222, the positioning rod 221 can rotate through the double-grooved pulley and the five-pulley drive connecting shaft 231, so that the rolling wheel 230 rolls, and the paving device moves transversely;
after the transverse movement is finished, the motor 246 rotates the transmission shaft 2461 reversely, so that the support rod 260 rotates upwards, the fixing rod 210 and the cross rod 220 move upwards, the rolling wheel 230 moves upwards to be separated from the ground, the roller frame 130 contacts with the ground again, then the positioning screw rod 248 can rotate, the transmission gear two 2451 and the transmission gear three 2462 are meshed with the other transmission gear four 2471, and then the power mechanism 240 rotates one roller frame 130 to continue laying the waterproof roll.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (7)
1. The paving device for the building construction waterproof material is characterized by comprising a paving module (100), wherein the paving module (100) is fixedly connected with a transverse moving module (200), the transverse moving module (200) comprises two fixing rods (210), the inner side surfaces of the fixing rods (210) are rotatably connected with two-way lead screws (211), two ends of the side surfaces of the two-way lead screws (211) are respectively and rotatably connected with sliding blocks (212) which are slidably connected with the inner side surfaces of the fixing rods (210), the side surfaces of the sliding blocks (212) are rotatably connected with supporting rods (260) which are in contact with the side surfaces of the fixing rods (210), the top parts of the side surfaces of the supporting rods (260) are rotatably connected with fixing blocks (261) which are fixedly connected with the paving module (100), the side surfaces of the two supporting rods (260) are fixedly connected with transverse rods (220), the bottom parts of the side surfaces of the supporting rods (260) are rotatably connected with limiting blocks (262) which are slidably connected with the inner side surfaces of the transverse rods (220), two sides of the transverse rods (220) are respectively provided with rolling wheels (230), the side surfaces of the rolling wheels (230) are fixedly connected with a power mechanism (240) which is used for driving the rotation of the two-way lead screws (211) and fixedly connected to one side of one fixing rod (210);
the power mechanism (240) comprises a shell (241), a first rotating rod (242) and a first transmission rod (243) are connected to the inner side surface of the shell (241) in a rotating mode, a second belt pulley is fixedly sleeved on the side surfaces of the first rotating rod (242) and the first transmission rod (243), the two belt pulleys are in transmission connection through a belt, the first transmission rod (243) is in transmission connection with one end of an adjacent two-way screw rod (211), a motor (246) is fixedly connected to the top of the inner side surface of the shell (241), a transmission shaft (2461) in transmission connection with the inner side surface of the shell (241) is in transmission connection with the output end of the motor (246), a first transmission gear (2421) is fixedly sleeved on the side surface of the first rotating rod (242), a third transmission gear (2462) is fixedly sleeved on the side surface of the transmission shaft (2461), a positioning screw rod (248) is connected to the side surface of the positioning screw rod (248) in a rotating mode, a sliding plate (247) in sliding connection with the inner side surface of the shell (241) in a sliding mode, two fourth transmission gears (2471) are rotatably connected to the side surface of the sliding plate (247), and the first transmission gear (241) and the third transmission gear (24262) are meshed with one transmission rod (2471);
module (100) of mating formation includes backup pad (110), backup pad (110) top surface fixedly connected with fixed plate, fixed plate side and casing (241) side sliding connection, backup pad (110) top surface fixedly connected with mechanism (120) of mating formation, backup pad (110) bottom surface both sides all are provided with gyro wheel frame (130), gyro wheel frame (130) side is rotated and is connected with fixing base (131) with backup pad (110) bottom surface fixed connection, the equal sliding connection in backup pad (110) bottom surface both sides has sliding seat (150), two sliding seat (150) opposite face is rotated and is connected with two rollers of rolling (151), backup pad (110) bottom surface and fixed block (261) top surface fixed connection, casing (241) medial surface is rotated and is connected with dwang two (245), casing (241) medial surface is provided with the transfer line two (244) of being connected with gyro wheel frame (130) side transmission, two (244) of transfer line and two (2450) of rolling side all fixedly cup jointed belt pulley three, and two three belt pulley transmission are connected, two (245) of dwang have two (2451) side to correspond another transmission gear four (71) fixed cup jointed two (1).
2. The paving device for the building construction waterproof material as claimed in claim 1, wherein a stop lever (250) is fixedly connected to the side surface of each of the two fixing levers (210), a rotating block (251) fixedly connected to the adjacent bidirectional screw rod (211) is rotatably connected to each of two sides of the inner side surface of each of the stop levers (250), a first pulley is fixedly connected to the side surface of each of the two rotating blocks (251), and the first pulleys are connected through a belt transmission.
3. The paving device for the building construction waterproof material as claimed in claim 1, wherein one side of the bottom surface of the support plate (110) is fixedly connected with a fixed frame (140) fixedly connected with the shell (241), and the side of the fixed frame (140) is slidably connected with the side of a sliding seat (150), the side of the fixed frame (140) is fixedly connected with a transmission box (160) contacting with another roller frame (130), the top and the bottom of the inner side of the transmission box (160) are both rotatably connected with a connecting rod (161), one end of the connecting rod (161) at the bottom is in transmission connection with the other roller frame (130), two sides of the connecting rod (161) are both fixedly sleeved with a belt pulley four, and the two belt pulley four sides are in belt transmission connection, the inner side of the fixed frame (140) is rotatably connected with a driving screw rod (141), the side of the driving screw rod (141) and the side of the connecting rod (161) at the top are both fixedly sleeved with a bevel gear one (170), and the two bevel gears (170) are in meshing transmission, the side of the driving screw rod (141) is rotatably connected with a rectangular block (142) slidably connected with the side of the fixed frame (140), and the sliding seat (150) is fixedly connected with the side of the sliding seat.
4. The paving device for the building construction waterproof material as claimed in claim 3, wherein the two sides of the inner side surface of the fixed frame (140) are slidably connected with the extrusion blocks (143), the driving screw rod (141) penetrates through the inside of the extrusion blocks (143), and the side surfaces of the extrusion blocks (143) are fixedly connected with the first springs (144) fixedly connected with the inner side surface of the fixed frame (140).
5. The building construction waterproof material paving device according to claim 1, wherein a sleeve rod (270) is arranged on an inner side surface of the fixing rod (210), the bidirectional screw rod (211) penetrates through the sleeve rod (270), a ratchet rod (280) is arranged on a side surface of the sleeve rod (270), two ends of the sleeve rod (270) are respectively connected with a second clamping block (271) in sliding contact with the inner side surface of the fixing rod (210), two second clamping blocks (275) in sliding connection with the side surface of the sleeve rod (270) are fixedly connected with the inner side surface of the second clamping block (271), opposite surfaces of the two sliding blocks (212) are respectively connected with a first clamping block (213) in sliding connection with the bidirectional screw rod (211) in a rotating manner, and a first clamping block (214) in sliding connection with the side surface of the bidirectional screw rod (211) is fixedly connected with the inner side surface of the first clamping block (213);
the two sides of the side surface of the sleeve rod (270) are both slidably connected with ratchet blocks (272) which are in contact with the inner side surface of the fixed rod (210), the two ratchet blocks (272) are positioned between two second clamping blocks (271), the two ratchet blocks (272) are both engaged and clamped with the ratchet rod (280), the inner side surface of the ratchet block (272) is fixedly connected with a third clamping block (276) which is slidably connected with the side surface of the sleeve rod (270), the two sides of the side surface of the sleeve rod (270) are both fixedly connected with positioning rings (273) which are rotatably connected with the inner side surface of the fixed rod (210), the two side surfaces of each positioning ring (273) are both fixedly connected with a second spring (274), and the side surfaces of each ratchet block (272) and each second clamping block (271) are both fixedly connected with one end of the adjacent second spring (274);
the side surface of the ratchet rod (280) is fixedly sleeved with a third bevel gear (282), the inner side surface of the cross rod (220) is rotatably connected with a positioning rod (221), the side surface of the positioning rod (221) is fixedly sleeved with a double-grooved pulley, the side surface of the connecting shaft (231) is fixedly sleeved with a fifth belt pulley, the fifth belt pulley is in transmission connection with one groove of the double-grooved pulley through a belt, and the side surface of the positioning rod (221) is fixedly sleeved with a second bevel gear (222) in meshing transmission with the third bevel gear (282).
6. The paving device of the building construction waterproof material as claimed in claim 5, wherein the ratchet rod (280) is rotatably connected with a limit ring (281) fixedly connected with the inner side surface of the fixing rod (210).
7. The use method of the paving device of the building construction waterproof material is characterized in that the concrete using and operating steps of the paving device are as follows:
the method comprises the following steps: one end of a waterproof coiled material in the paving mechanism (120) penetrates through the supporting plate (110) and penetrates between the two rolling rollers (151), then one end of the waterproof coiled material can be paved on the ground, the positioning screw rod (248) is rotated, the second transmission gear (2451) and the third transmission gear (2462) are meshed with the fourth transmission gear (2471), the motor (246) is started, one roller frame (130) is rotated, and therefore the paving device is advanced to pave the waterproof coiled material;
step two: after the paving device moves from one side of a roof to the other side, the waterproof coiled material is cut off through a cutting device and the like, then the positioning screw rod (248) is rotated reversely, the first transmission gear (2421) and the third transmission gear (2462) are meshed with the fourth transmission gear (2471), the motor (246) is started to drive the two-way screw rod (211) to rotate, so that the supporting rod (260) rotates, the paving module (100) is supported through the rolling wheel (230), then the first clamping tooth block (213) and the second clamping tooth block (271) can be clamped with each other, and at the moment, the two-way screw rod (211) rotates to drive the rolling wheel (230) to roll, so that the paving device moves transversely;
step three: after the transverse movement is finished, the transmission shaft (2461) can be reversely rotated through the motor (246), so that the rolling wheel (230) moves upwards to be separated from the ground;
step four: and (3) rotating the positioning screw rod (248) to enable the second transmission gear (2451) and the third transmission gear (2462) to be meshed with the fourth transmission gear (2471), and then enabling a roller frame (130) to rotate through the power mechanism (240) to continue laying the waterproof coiled material.
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| CN202111510552.3A CN114197766B (en) | 2021-12-10 | 2021-12-10 | Construction waterproof material paving device and method |
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| CN202111510552.3A CN114197766B (en) | 2021-12-10 | 2021-12-10 | Construction waterproof material paving device and method |
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| CN114603207B (en) * | 2022-03-23 | 2023-07-04 | 曹会朝 | Rapid cutting device for metal plate and application method of rapid cutting device |
| CN114673046A (en) * | 2022-03-31 | 2022-06-28 | 航大联合航空设备有限公司 | Rolling and releasing road surface vehicle for aircraft |
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| DE734158C (en) * | 1936-12-04 | 1943-04-09 | Heinrich Buehrmann | Paving machine |
| CN210944050U (en) * | 2019-06-06 | 2020-07-07 | 寿光市华盾防水材料有限公司 | Waterproofing membrane exhibition machine |
| CN111441545A (en) * | 2020-04-08 | 2020-07-24 | 张中林 | Adjustable waterproofing membrane laying device based on convex guide rail transmission principle |
| CN214834181U (en) * | 2021-07-16 | 2021-11-23 | 北京水碧治建筑科技有限公司 | Waterproofing membrane spreads and pastes device |
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Effective date of registration: 20230324 Address after: Room 2-1605, No. 558, Danyang Road, Dandong Street, Xiangshan County, Ningbo City, Zhejiang Province, 315799 Applicant after: Ningbo Huakang Luding Construction Co.,Ltd. Address before: 315702 15 households, Group 6, Xinxiaao, Xingjiao Ao Village, Huangbiao Township, Xiangshan County, Ningbo City, Zhejiang Province Applicant before: Qiu Jianliang Effective date of registration: 20230324 Address after: 315702 15 households, Group 6, Xinxiaao, Xingjiao Ao Village, Huangbiao Township, Xiangshan County, Ningbo City, Zhejiang Province Applicant after: Qiu Jianliang Address before: 101100 Beijing longshengxiang Construction Engineering Co., Ltd., about 220 meters north of yuehejiayuan community, ZhangCai Road, Tongzhou District, Beijing Applicant before: Yu Xueguang |
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