CN113564985A - Road laying and discharging device for road construction - Google Patents
Road laying and discharging device for road construction Download PDFInfo
- Publication number
- CN113564985A CN113564985A CN202111058821.7A CN202111058821A CN113564985A CN 113564985 A CN113564985 A CN 113564985A CN 202111058821 A CN202111058821 A CN 202111058821A CN 113564985 A CN113564985 A CN 113564985A
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- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000007599 discharging Methods 0.000 title description 2
- 230000005540 biological transmission Effects 0.000 claims abstract description 51
- 239000004568 cement Substances 0.000 claims abstract description 40
- 239000004575 stone Substances 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/18—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect
- E01C19/182—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect solely for depositing
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Toys (AREA)
Abstract
The invention provides a road laying and blanking device for road construction, and relates to the field of road construction. This unloader is laid with road to road construction, including stone case and cement box, the quantity of cement box is two, two cement box one side that are close to each other respectively with stone case about side fixed connection, the equal fixedly connected with support frame in both sides around the stone case, two cement boxes and two support frame fixed connection, the below of stone case is provided with the transmission case, the upper end of transmission case and the bottom surface fixed connection of two cement boxes, the lower extreme right flank slip grafting of transmission case has the loose plate. This unloader is laid with road to road construction through setting up movable block, transmission rope, loose leaf, gear wheel and pinion, can in time stop the effect of unloading when making the device stop to remove, has solved cement and stone and can not in time stop the unloading when the device stops to can produce the material on the cause road surface and pile up, influence the problem of road surface laying's roughness.
Description
Technical Field
The invention relates to the field of road construction, in particular to a road laying and blanking device for road construction.
Background
Road engineering refers to the whole process of planning, designing, constructing, maintaining and managing work performed by taking a road as an object and the engineering entity engaged in the whole process. Road works, like civil engineering of any other gate type, have obvious technical, economic and regulatory aspects.
Need sometimes build the cement road when road construction, in order to improve the fastness on cement road, can be at the inside stone that mixes of cement, constantly remove unloader when paving and lay cement and stone on the road surface, but often in order to repair the road surface when laying, the device can stop moving sometimes, but cement and stone can not in time stop the unloading when the device stops to can produce the material on the cause road surface and pile up, influence road surface laying's roughness.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a road laying and blanking device for road construction, which solves the problem that cement and stones cannot stop blanking in time when the device stops, so that material accumulation can be generated on a road surface, and the flatness of road laying is influenced.
In order to achieve the purpose, the invention is realized by the following technical scheme: a road laying and blanking device for road construction comprises stone boxes and cement boxes, wherein the number of the cement boxes is two, one surface, close to each other, of the two cement boxes is fixedly connected with the left side surface and the right side surface of the stone boxes respectively, the front side and the rear side of the stone boxes are fixedly connected with supporting frames respectively, the two cement boxes are fixedly connected with the two supporting frames, a transmission box is arranged below the stone boxes, the upper end of the transmission box is fixedly connected with the bottom surfaces of the two cement boxes, the right side surface of the lower end of the transmission box is slidably inserted with a movable plate, the front side and the rear side of the transmission box are respectively provided with a pulling spring, the right end of the pulling spring is fixedly connected with the left side surface of the movable plate, the left end of the pulling spring is fixedly connected with the left end of the transmission box, the bottom surfaces of the two supporting frames are respectively fixedly connected with a vertical rod, the lower ends of the two vertical rods are rotatably inserted with rotary sleeves, the transmission ropes are respectively slidably inserted in the two rotary sleeves, the left ends of the two transmission ropes are respectively fixedly connected with the right side surfaces of the movable plate, two one ends that change the cover and keep away from each other are all fixed to be cup jointed and are rotated the frame, rotate the front of frame and slide to peg graft and have the movable block, the inside of rotating the frame is provided with the promotion spring, the one end and the movable block fixed connection that promote the spring, the other end that promotes the spring and the inner wall fixed connection who rotates the frame, the left end of two rotation frames slides respectively and cup joints the surface at two transmission ropes, the one end that two transmission ropes kept away from each other respectively with the left surface fixed connection of two movable blocks.
The equal fixedly connected with riser in bottom surface of two support frames, two risers are located two left sides of changeing the cover respectively, and the lower extreme of two risers all rotates to peg graft and has had the power wheel, and the one end that two power wheels are close to each other all fixed the cup joint has the gear wheel, and the right side of two gear wheels all meshes the pinion, and the one end that two pinions kept away from each other rotates respectively and pegs graft at the lower extreme of two risers, and two pinions change the cover respectively with two and pass through the conveyer belt transmission.
The below of loose plate is provided with the hang plate, and the right side of hang plate is provided with the link, the both ends of link respectively with the right-hand member fixed connection of two support frames, two spring telescopic links of the right-hand member fixedly connected with of hang plate, spring telescopic link's the other end and link fixed connection, the right lower extreme of two support frames all articulates there is the auxiliary wheel.
Preferably, the equal fixedly connected with protection plate in the one side that two montants kept away from each other, two protection plates rotate respectively and cup joint at two surfaces of changeing the cover, and two rotate the frame and rotate respectively and peg graft in the inside of two protection plates.
Preferably, the inside of pulling spring is provided with the horizontal pole, and the left end of horizontal pole slides and runs through the left end of transfer case, the right-hand member of horizontal pole and the right-hand member fixed connection of loose leaf.
Preferably, the front side and the rear side of the inclined plate are rotatably inserted with short shafts, one end of each small gear, which is close to each other, is fixedly connected with five pushing plates, and the pushing plates are arc-shaped curves.
Preferably, the left ends of the two rotating frames are hinged with steering wheels A, the two rotating sleeves are located between the two steering wheels A, the two rotating sleeves are provided with two steering wheels B, the upper ends of the two steering wheels B are hinged with the right side face of the cement box located on the right side, and the transmission ropes are distributed in a Z shape.
Preferably, the equal fixedly connected with balancing weight of one side that two movable blocks kept away from each other, two balancing weights slide respectively and cup joint at two surfaces that rotate the frame, and two balancing weights are located the inside of two protection plates respectively.
Preferably, the upper surface of loose plate rotates to inlay and has two sets of balls, and the top of loose plate is provided with two hornblocks, and the one side that two hornblocks kept away from each other respectively with the left and right sides inner wall fixed connection of transmission case.
Compared with the prior art, the invention has the following beneficial effects:
1. the road laying and blanking device for road construction has the advantages that by arranging the movable block, the transmission rope, the movable plate, the large gear and the small gear, when the device moves, the power wheel rotates by contacting with the ground, the large gear rotates, the small gear is meshed with the large gear and then the rotating sleeve rotates by the conveying belt, the rotating speed of the small gear is larger than that of the large gear due to the tooth difference between the small gear and the large gear, the rotating frame rotates under the driving of the rotating sleeve, the movable block compresses the pushing spring under the action of centrifugal force, then the transmission rope is pulled to drive the movable plate to move rightwards, so that a stone and cement mixture in the transmission box can fall off, when the device stops moving, the movable block is close to the rotating sleeve under the pushing of the pushing spring, then the movable plate blocks the lower end of the transmission box under the pulling of the pulling spring, and the blanking effect can be stopped in time when the device stops moving, the problem of cement and stone can not in time stop the unloading when the device stops to can produce the material on the cause and pile up, influence road surface laying's roughness is solved.
2. This unloader is laid with road to road construction, through setting up spring telescopic link, minor axis and slurcam, on stone and the cement mixture that drops from the transmission case dropped the hang plate, when the device was when removing, the pinion drove the slurcam and rotates, when slurcam and minor axis contact, promoted the continuous compression spring telescopic link of hang plate and rocked, prevented that the mixture of stone and cement from stopping on the hang plate.
3. This unloader is laid with road to road construction through setting up directive wheel A and directive wheel B, when the transmission rope removed under the drive of movable block and pulling spring, directive wheel A and directive wheel B were to the direction of transmission rope, prevented when the transmission rope slided with change the cover and rotate the frame contact slip, improved the life of transmission rope.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection between the bull gear and the pinion gear according to the present invention;
FIG. 3 is a schematic view of the transfer case of the present invention connected to a flapper;
FIG. 4 is a top view of a portion of the structure of the present invention;
figure 5 is a schematic view of the ball and flapper connection of the present invention.
Wherein, 1 stone case, 2 cement case, 3 support frames, 4 transmission cases, 5 loose plates, 6 pulling springs, 7 vertical rods, 8 rotating sleeves, 9 transmission ropes, 10 rotating frames, 11 movable blocks, 12 pushing springs, 13 vertical plates, 14 large gears, 15 power wheels, 16 small gears, 17 conveyor belts, 18 inclined plates, 19 connecting frames, 20 spring telescopic rods, 21 auxiliary wheels, 22 protective discs, 23 cross rods, 24 short shafts, 25 pushing plates, 26 steering wheels A, 27 steering wheels B, 28 balancing weights, 29 balls and 30 corner blocks.
Detailed Description
As shown in figures 1-5, a road laying and blanking device for road construction comprises two stone boxes 1 and two cement boxes 2, wherein one surface of each of the two cement boxes 2, which is close to each other, is fixedly connected with the left side surface and the right side surface of the stone box 1, the front side and the rear side of the stone box 1 are fixedly connected with supporting frames 3, the two cement boxes 2 are fixedly connected with the two supporting frames 3, a transfer box 4 is arranged below the stone box 1, the upper end of the transfer box 4 is fixedly connected with the bottom surfaces of the two cement boxes 2, a movable plate 5 is slidably inserted into the right side surface of the lower end of the transfer box 4, two groups of balls 29 are rotatably inserted into the upper surface of the movable plate 5, two corner blocks 30 are arranged above the movable plate 5, the surfaces, which are far away from each other, of the two corner blocks 30 are fixedly connected with the inner walls of the left side and the right side surfaces of the transfer box 4 respectively, and the balls 29 are arranged to improve the fluency of the movable plate 5 when moving,
both sides all are provided with pulling spring 6 around transmission case 4, the right-hand member of pulling spring 6 and loose plate 5's left surface fixed connection, the left end of pulling spring 6 and the left end fixed connection of transmission case 4, the inside of pulling spring 6 is provided with horizontal pole 23, the left end of horizontal pole 23 slides and runs through the left end of transmission case 4, the right-hand member of horizontal pole 23 and loose plate 5's right-hand member fixed connection, horizontal pole 23 prevents that pulling spring 6 from producing the bending when flexible, guarantee simultaneously that loose plate 5 can not produce the dislocation when removing.
The equal fixedly connected with montant 7 in bottom surface of two support frames 3, the lower extreme of two montants 7 all rotates to peg graft and has changeed cover 8, two change the inside of cover 8 and all slide and peg graft and have transmission rope 9, the left end of two transmission ropes 9 all with movable plate 5's right flank fixed connection, two change the one end that cover 8 kept away from each other and all fixedly cup joint and rotate frame 10, the front of rotating frame 10 slides and pegs graft and has the movable block 11, two left ends of rotating frame 10 all articulate has directive wheel A26, two change cover 8 and are located between two directive wheels A26, two are changeed and are provided with two directive wheels B27 between the cover 8, two upper ends of directive wheel B27 all articulate with the right flank that is located the cement box 2 on right side, transmission rope 9 is "Z" font and distributes, directive wheel A26 and directive wheel B27 reduce the friction between the slip of transmission rope 9 and the structure, improve transmission rope 9's life.
A pushing spring 12 is arranged in the rotating frame 10, one end of the pushing spring 12 is fixedly connected with the movable block 11, the other end of the pushing spring 12 is fixedly connected with the inner wall of the rotating frame 10, the left ends of the two rotating frames 10 are respectively sleeved on the outer surfaces of the two transmission ropes 9 in a sliding manner, the ends, far away from each other, of the two transmission ropes 9 are respectively fixedly connected with the left side surfaces of the two movable blocks 11, the surfaces, far away from each other, of the two vertical rods 7 are respectively and fixedly connected with a protective disc 22, the two protective discs 22 are respectively sleeved on the outer surfaces of the two rotating sleeves 8 in a rotating manner, the two rotating frames 10 are respectively and rotatably inserted in the two protective discs 22, the protective discs 22 prevent the rotating frames 10 from touching workers when rotating and causing injury to the workers, the surfaces, far away from each other, of the two movable blocks 11 are respectively and fixedly connected with a counterweight block 28, and the two counterweight blocks 28 are respectively and slidably sleeved on the outer surfaces of the two rotating frames 10, two balancing weights 28 are respectively located inside two protection plates 22, and the balancing weights 28 improve the centrifugal force that receives when the movable block 11 rotates, guarantee that the movable block 11 can in time stimulate the transmission rope 9 when the device removes.
The equal fixedly connected with riser 13 in bottom surface of two support frames 3, two risers 13 are located two left sides of changeing cover 8 respectively, the lower extreme of two risers 13 all rotates to be pegged graft and has been had power wheel 15, the one end that two power wheels 15 are close to each other all fixedly cup jointed gear wheel 14, the right side of two gear wheels 14 all meshes pinion 16, gear difference between gear wheel 14 and the pinion 16, the rotational speed that makes pinion 16 is greater than gear wheel 14, the one end that two pinion 16 kept away from each other rotates respectively and pegs graft the lower extreme at two risers 13, two pinion 16 change cover 8 respectively with two and pass through the transmission of conveyer belt 17.
When the device is used, stones are poured into the stone box 1, cement is poured into the cement box 2, then the stones and the cement enter the transfer box 4 to be mixed, the power wheel 15 rotates by contacting with the ground when the device moves, the large gear 14 rotates, the small gear 16 is meshed with the large gear 14, then the rotary sleeve 8 rotates through the conveyor belt 17, the rotating speed of the small gear 16 is larger than that of the large gear 14 due to the tooth difference between the small gear 16 and the large gear 14, the rotary frame 10 rotates under the driving of the rotary sleeve 8, the movable block 11 compresses the pushing spring 12 due to the centrifugal force, then the transfer rope 9 is pulled to drive the movable plate 5 to move rightwards, so that the stones and the cement mixture in the transfer box 4 can fall off, the stones and the cement mixture falling from the transfer box 4 fall onto the inclined plate 18, meanwhile, the small gear 16 drives the pushing plate 25 to rotate, and when the pushing plate 25 contacts with the short shaft 24, promote the continuous compression spring telescopic link 20 of hang plate 18 and rock, prevent that the mixture of stone and cement from stopping on the hang plate 18, when the device stops moving, movable block 11 is close to under the promotion that promotes spring 12 and changes cover 8, then loose plate 5 carries out the shutoff to the lower extreme of transmission case 4 under the pulling of pulling spring 6, makes the device when the stop motion, can in time stop the unloading.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a unloader is laid with road to road construction, includes stone case (1) and cement box (2), its characterized in that: the number of the cement boxes (2) is two, one surface of each cement box (2) close to each other is fixedly connected with the left side surface and the right side surface of the stone box (1) respectively, the front side and the rear side of the stone box (1) are fixedly connected with the supporting frames (3), the two cement boxes (2) are fixedly connected with the two supporting frames (3), the transmission box (4) is arranged below the stone box (1), the upper end of the transmission box (4) is fixedly connected with the bottom surfaces of the two cement boxes (2), the right side surface of the lower end of the transmission box (4) is slidably inserted with the movable plate (5), the front side and the rear side of the transmission box (4) are respectively provided with the pulling spring (6), the right end of the pulling spring (6) is fixedly connected with the left side surface of the movable plate (5), the left end of the pulling spring (6) is fixedly connected with the left end of the transmission box (4), the bottom surfaces of the two supporting frames (3) are fixedly connected with the vertical rods (7), the lower ends of two vertical rods (7) are rotatably inserted with rotating sleeves (8), the insides of the two rotating sleeves (8) are slidably inserted with transmission ropes (9), the left ends of the two transmission ropes (9) are fixedly connected with the right side faces of the movable plates (5), one ends of the two rotating sleeves (8) far away from each other are fixedly sleeved with a rotating frame (10), the front face of the rotating frame (10) is slidably inserted with movable blocks (11), pushing springs (12) are arranged inside the rotating frame (10), one ends of the pushing springs (12) are fixedly connected with the movable blocks (11), the other ends of the pushing springs (12) are fixedly connected with the inner walls of the rotating frame (10), the left ends of the two rotating frames (10) are respectively slidably sleeved on the outer surfaces of the two transmission ropes (9), and one ends of the two transmission ropes (9) far away from each other are respectively fixedly connected with the left side faces of the two movable blocks (11);
the equal fixedly connected with riser (13) in bottom surface of two support frames (3), two risers (13) are located two left sides of changeing cover (8) respectively, the lower extreme of two risers (13) all rotates and pegs graft and have power wheel (15), the one end that two power wheels (15) are close to each other all fixed the cup joint have gear wheel (14), the right side of two gear wheels (14) all meshes pinion (16), the one end that two pinion (16) kept away from each other rotates respectively and pegs graft the lower extreme at two risers (13), two pinion (16) are changeed cover (8) with two respectively and are passed through conveyer belt (17) transmission.
The utility model discloses a spring telescopic plate, including loose plate (5), loose plate (5) below is provided with hang plate (18), and the right side of hang plate (18) is provided with link (19), the both ends of link (19) respectively with the right-hand member fixed connection of two support frames (3), two spring telescopic links (20) of right-hand member fixed connection of hang plate (18), the other end and link (19) fixed connection of spring telescopic link (20), the right lower extreme of two support frames (3) all articulates there is auxiliary wheel (21).
2. The road laying and blanking device for road construction according to claim 1, characterized in that: the equal fixedly connected with protection plate (22) of one side that two montants (7) kept away from each other, two protection plates (22) rotate respectively and cup joint at the surface of two commentaries on classics cover (8), rotate frame (10) respectively and rotate the inside of pegging graft at two protection plates (22).
3. The road laying and blanking device for road construction according to claim 1, characterized in that: pulling spring (6) inside is provided with horizontal pole (23), and the left end of horizontal pole (23) slides and runs through the left end of transfer box (4), the right-hand member of horizontal pole (23) and the right-hand member fixed connection of loose plate (5).
4. The road laying and blanking device for road construction according to claim 1, characterized in that: the front side and the rear side of the inclined plate (18) are rotatably inserted with short shafts (24), one end of each small gear (16) close to each other is fixedly connected with five pushing plates (25), and the shape of each pushing plate (25) is curved arc.
5. The road laying and blanking device for road construction according to claim 1, characterized in that: the left ends of the two rotating frames (10) are hinged with steering wheels A (26), the two rotating sleeves (8) are located between the two steering wheels A (26), the two rotating sleeves (8) are provided with two steering wheels B (27), the upper ends of the two steering wheels B (27) are hinged with the right side face of the cement box (2) located on the right side, and the transmission ropes (9) are distributed in a Z shape.
6. The road laying and blanking device for road construction according to claim 2, characterized in that: the two movable blocks (11) are respectively and fixedly connected with a balancing weight (28) at the side far away from each other, the two balancing weights (28) are respectively sleeved on the outer surfaces of the two rotating frames (10) in a sliding mode, and the two balancing weights (28) are respectively located inside the two protection discs (22).
7. The road laying and blanking device for road construction according to claim 1, characterized in that: the upper surface of loose plate (5) rotates to inlay and has two sets of balls (29), and the top of loose plate (5) is provided with two angle blocks (30), and the one side that two angle blocks (30) kept away from each other respectively with the left and right sides inner wall fixed connection of transfer case (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111058821.7A CN113564985A (en) | 2021-09-09 | 2021-09-09 | Road laying and discharging device for road construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111058821.7A CN113564985A (en) | 2021-09-09 | 2021-09-09 | Road laying and discharging device for road construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113564985A true CN113564985A (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111058821.7A Pending CN113564985A (en) | 2021-09-09 | 2021-09-09 | Road laying and discharging device for road construction |
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| CN (1) | CN113564985A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114180303A (en) * | 2022-01-23 | 2022-03-15 | 何佳 | Square brick arrangement equipment for building construction |
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| CN107687123A (en) * | 2017-09-12 | 2018-02-13 | 高子逸 | A kind of road construction water-bound hoggin paving device |
| CN207321842U (en) * | 2017-10-18 | 2018-05-08 | 桂东县隆平高科种粮专业合作社 | A kind of fertilization of rice machine |
| CN207749389U (en) * | 2017-12-07 | 2018-08-21 | 王绍兵 | A kind of laying apparatus of roadbase construction |
| CN108951373A (en) * | 2018-08-08 | 2018-12-07 | 辽宁科技大学 | A kind of energy-efficient particle is even to spread device |
| CN110965436A (en) * | 2019-12-20 | 2020-04-07 | 王敏帆 | Road surface asphalt laying device for bridge road |
-
2021
- 2021-09-09 CN CN202111058821.7A patent/CN113564985A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687123A (en) * | 2017-09-12 | 2018-02-13 | 高子逸 | A kind of road construction water-bound hoggin paving device |
| CN207321842U (en) * | 2017-10-18 | 2018-05-08 | 桂东县隆平高科种粮专业合作社 | A kind of fertilization of rice machine |
| CN207749389U (en) * | 2017-12-07 | 2018-08-21 | 王绍兵 | A kind of laying apparatus of roadbase construction |
| CN108951373A (en) * | 2018-08-08 | 2018-12-07 | 辽宁科技大学 | A kind of energy-efficient particle is even to spread device |
| CN110965436A (en) * | 2019-12-20 | 2020-04-07 | 王敏帆 | Road surface asphalt laying device for bridge road |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114180303A (en) * | 2022-01-23 | 2022-03-15 | 何佳 | Square brick arrangement equipment for building construction |
| CN114180303B (en) * | 2022-01-23 | 2024-01-12 | 盐城市泰恒建设工程有限公司 | Square brick arrangement equipment for building construction |
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Application publication date: 20211029 |