CN211113042U - Filling type anti-rut pavement special slurry filling and leveling device - Google Patents
Filling type anti-rut pavement special slurry filling and leveling device Download PDFInfo
- Publication number
- CN211113042U CN211113042U CN201921752021.3U CN201921752021U CN211113042U CN 211113042 U CN211113042 U CN 211113042U CN 201921752021 U CN201921752021 U CN 201921752021U CN 211113042 U CN211113042 U CN 211113042U
- Authority
- CN
- China
- Prior art keywords
- scraper
- scraper blade
- trowelling
- chain
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000002002 slurry Substances 0.000 title claims description 35
- 239000011440 grout Substances 0.000 claims abstract description 16
- 230000007723 transport mechanism Effects 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000007790 scraping Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 19
- 230000033001 locomotion Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000010426 asphalt Substances 0.000 description 6
- 238000010030 laminating Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000009499 grossing Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Road Paving Machines (AREA)
Abstract
The utility model discloses a filling type anti-rut pavement special grout filling and trowelling device, which comprises a power device and a trowelling device, wherein the trowelling device is arranged on one side of the power device; the utility model can finish the floating work only by controlling the carrying vehicle, and meanwhile, the carrying of the floating device is easy, the labor intensity of the work can be greatly reduced, and meanwhile, the arrangement of the oil cylinder can lead the floating device to be easy to store and save space when the floating device is in a non-working state; the transport mechanism who establishes can make the scraper blade rotate at the uniform velocity to guaranteed that the scraper blade can carry out even floating work demand to ground thick liquids, the supplementary scraper blade that side scraper blade can be better simultaneously prevents that thick liquids from flowing out to lead to smearing the uneven condition that leads to the ground and take place.
Description
Technical Field
The utility model belongs to the technical field of road construction maintenance equipment, in particular to anti rut road surface special type thick liquid of formula of pouring into pours into floating device.
Background
At present, the highway pavement of China is mainly flexible asphalt pavement, asphalt cement adopted by the flexible asphalt pavement is a temperature sensitive material, asphalt can creep under the combined action of temperature and vehicle load, so that some row diseases such as rutting, oil bleeding, crowding and the like of the pavement are caused, particularly in high-temperature seasons in summer, the running quality and the running safety of the pavement are seriously influenced, and therefore, the adoption of the semi-flexible pavement has important significance for improving the rutting resistance and the durability of the pavement.
The semi-flexible pavement at home and abroad is mainly filled, namely the filled semi-flexible pavement is a composite pavement formed by firstly forming a matrix asphalt mixture and then filling grouting material; the graded broken stone pouring type semi-flexible composite pavement mixture disclosed by CN 110128070A is adopted, and the mixture comprises the following components in parts by weight: 100 parts of graded broken stone, 4 parts of drinking water and 8 parts of high-fluidity grouting material; the graded broken stone is made of limestone and basalt aggregates, the high-fluidity grouting material is composed of 2 parts of cement, 3 parts of water-based acrylic resin, 2 parts of volcanic ash material and 1 part of water;
the formula of irritating thick liquids velocity of flow is fast, and when irritating, thick liquids are faster toward low flowing, and it is inhomogeneous that so can make the formula of irritating thick liquids distribute, and further formula of irritating thick liquids's void ratio is inhomogeneous, and highly not enough, and present construction state is the following problem of appearing: 1) the existing slurry trowelling work needs a large amount of manual trowelling, the efficiency is low, the trowelling is uneven, and the labor intensity is high; 2) when the slurry has high fluidity and the pavement is uneven, the slurry is easy to gather quickly, so that the slurry is not uniformly coated, and the pavement has nodule protrusions after the work is finished; 3) in order to ensure the saturation amount of the grouting slurry penetrating the asphalt pavement, a construction party can use the slurry as much as possible, the grouting quality is ensured by adopting the flood grouting slurry, but the slurry is solidified in a short time, needs to be cleaned, and causes a large amount of slurry waste.
Disclosure of Invention
The utility model aims at overcoming the defects in the prior art, providing a filling type anti-rutting road surface special grout filling and leveling device, only needing to control a carrying vehicle to finish the leveling work, simultaneously being easy to carry the device, and being capable of reducing the labor intensity of the work to a greater extent; the scraper blade rotates at a constant speed, the slurry is evenly screeded on the ground by the scraper blade, the slurry is ensured to be evenly permeated, and the pouring type semi-flexible composite pavement mixture is ensured to have excellent pavement performance.
In order to realize the purpose, the utility model discloses a technical scheme is:
the utility model provides a special type thick liquid of formula of irritating anti rut road surface is irritated and is floated device, includes power device and floating device, power device one side is equipped with floating device.
The power device comprises oil cylinders, connecting arms, a rotating shaft I, connecting rods and a carrier loader, wherein one side of the carrier loader is provided with a group of connecting arms, the connecting arms are movably connected with the carrier loader through pin shafts, one side of each connecting arm is provided with the connecting rod, one side of each connecting rod is provided with the rotating shaft I, the rotating shaft I is arranged on one side of the trowelling device, one end of each connecting rod is movably connected with the connecting arm through the pin shafts, the other end of each connecting rod is movably connected with the rotating shaft I, a group of oil cylinders are arranged between the two connecting arms, the tail parts of the oil; when accomplishing floating work, the hydro-cylinder shrink drives floating device and is up rotary motion around rotation axis I, thereby the device is connected with the carrier loader at the in-process of the transportation of being convenient for, also can accomodate saving space easily when no operating condition.
The trowelling device comprises a slurry box, a conveying mechanism, a base, a scraping plate and a side fixing plate, wherein the side fixing plate is arranged at the upper part of the base, the conveying mechanism is arranged at one side of the side fixing plate, the scraping plate is arranged at one side of the conveying mechanism, and the slurry box is arranged at the upper part of the side fixing plate; when the floating device starts to work, slurry is poured into the slurry box and flows out, the base and the side fixing plates prevent the slurry from flowing out from the side faces, the conveying mechanism starts to drive the scraper blade to work, the scraper blade evenly floats the slurry on the ground, the slurry is guaranteed to be evenly permeated, the pouring type semi-flexible composite pavement mixture is guaranteed to have excellent pavement performance, the strength is high, the anti-cracking capability is strong, and the durability of the pavement is remarkably improved.
The conveying mechanism comprises a hydraulic motor, a fixed seat, a chain, fixed blocks, chain wheels, a transmission shaft and a scraper, wherein the fixed seat is arranged on one side of a side fixing plate, the hydraulic motor is arranged on one side of the fixed seat, the chain wheels are arranged on the other side of the side fixing plate, the chain is arranged between the chain wheels on the same side, the fixed blocks are arranged on one side of the chain, the scraper is arranged on one side of the fixed block, the transmission shaft is arranged between different side chain wheels, and the head of the hydraulic motor is connected with one; when needs transmission, hydraulic motor provides power, drives the sprocket and rotates, and the sprocket drives the chain motion, and the sprocket passes through the sprocket rotation of transmission shaft drive different sides simultaneously, makes two chains be synchronous motion, and the motion of chain then enables the fixed block and drives the scraper blade and move, and the even rotational speed of hydraulic motor can make the at the uniform velocity motion of scraper blade to guaranteed that the scraper blade can carry out even floating work demand to ground thick liquids.
Preferably, a supporting plate is arranged on one side of the chain, so that the chain is prevented from loosening and falling under the action of gravity of the scraper, and normal operation of the device is prevented from being influenced.
Preferably, scraper blade one side is equipped with the side scraper blade, and side scraper blade one side is equipped with the supporting shoe, is equipped with the extension spring between scraper blade and the side scraper blade, and the extension spring center is equipped with the connecting axle, the scraper blade opposite side is equipped with rotation axis II, and the scraper blade passes through II swing joint of rotation axis with the side scraper blade, and when the topography of scraper blade work changed, the side scraper blade can rotate around rotation axis II, and the extension spring receives tensile simultaneously, and the side scraper blade can be opened different angles by the condition difference of atress size under the effect of extension spring, and the better trowelling that carries on of supplementary scraper blade can be better simultaneously prevent that the thick liquids from flowing out to lead to.
Preferably, fixed block one side is equipped with cleans the brush, and under the transmission of chain, clean the brush and can assist the floating work of the better completion of scraper blade when cleaning ground, clean the brush and clear away the unnecessary grout in surface, expose unevenness gather materials can, increase the frictional force on road surface.
Preferably, the inside spring that is equipped with of base, spring setting are between base and side fixed plate, and the base cup joints on the side fixed plate, and power device moves down, and through the deformation of spring, base laminating ground prevents that thick liquids side direction from flowing, further the better laminating ground of the scraper blade among the smoothing device, has guaranteed that the scraper blade can carry out even smoothing's work demand to ground thick liquids to the demand of adaptation different ground work.
Preferably, the scraper blade and the side scraper blade are made of rubber, and the slurry can rapidly permeate in the floating process through better ground fitting due to the deformation of the rubber.
Compared with the prior art, the utility model beneficial effect shows:
1) only need to control the carrier loader and can accomplish floating work, easily the delivery of device simultaneously can alleviate the intensity of labour of work to a great extent, and the establishment of hydro-cylinder can make the device accomodate saving space easily when the state of no work simultaneously.
2) Transport mechanism can make the scraper blade rotate at the uniform velocity to guaranteed that the scraper blade can carry out the work demand of evenly floating to ground thick liquids, the supplementary scraper blade that the side scraper blade can be better simultaneously prevents that the thick liquids overflow from leading to smearing the uneven condition that leads to the ground and taking place.
Drawings
FIG. 1 is a schematic structural view of a pouring type anti-rut road surface special grout pouring and trowelling device of the utility model;
FIG. 2 is a schematic structural view of a troweling device in the pouring type anti-rut pavement special grout pouring troweling device of the utility model;
FIG. 3 is a schematic structural view of a conveying mechanism in the pouring type anti-rut pavement special grout pouring and trowelling device of the utility model;
FIG. 4 is a schematic diagram of the position of a scraper in the filling type anti-rut road surface special grout filling and leveling device of the utility model;
FIG. 5 is a schematic structural view of a scraper blade in the filling type anti-rut road surface special grout filling and leveling device of the utility model;
FIG. 6 is a schematic structural view of the other side of the scraper in the filling type anti-rut road surface special grout filling and leveling device of the utility model;
FIG. 7 is a schematic structural view of a base in the pouring type anti-rut pavement special grout pouring and trowelling device of the utility model;
in the figure: 1. a power plant; 10. an oil cylinder; 11. a connecting arm; 12. a rotating shaft I; 13. a connecting rod; 14. a carrier loader; 2. a troweling device; 21. a slurry tank; 22. a transport mechanism; 221. a hydraulic motor; 222. a fixed seat; 223. a chain; 224. a fixed block; 225. a sprocket; 226. a support plate; 227. a drive shaft; 23. a base; 231. a spring; 24. a squeegee; 241. a side flight; 242. a tension spring; 243. a connecting shaft; 244. a rotating shaft II; 245. a support block; 246. cleaning a brush; 25. and a side fixing plate.
Detailed Description
For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further specifically described with reference to fig. 1 to 7.
The utility model provides a special type thick liquid of anti rut road surface of formula of pouring into floating device, includes power device 1 and floating device 2, power device 1 one side is equipped with floating device 2.
The power device 1 comprises oil cylinders 10, connecting arms 11, a rotating shaft I12, a connecting rod 13 and a carrier loader 14, wherein one side of the carrier loader 14 is provided with a group of connecting arms 11, the connecting arms 11 are movably connected with the carrier loader 14 through pin shafts, one side of each connecting arm 11 is provided with the connecting rod 13, one side of each connecting rod 13 is provided with the rotating shaft I12, the rotating shaft I12 is arranged on one side of the trowelling device 2, one end of each connecting rod 13 is movably connected with the corresponding connecting arm 11 through a pin shaft, the other end of each connecting rod is movably connected with the corresponding rotating shaft I12, a group of oil cylinders 10 are arranged between the two connecting arms 11, the tail parts of the oil; when finishing the floating work, hydro-cylinder 10 contracts and drives floating device 2 and do upward rotary motion around rotation axis I12, thereby the device is connected with carrier loader 14 and is being convenient for the in-process of transportation, also can accomodate saving space easily when not having operating condition.
The floating device 2 comprises a slurry box 21, a conveying mechanism 22, a base 23, a scraper 24 and a side fixing plate 25, wherein the side fixing plate 25 is arranged at the upper part of the base 23, the conveying mechanism 22 is arranged at one side of the side fixing plate 25, the scraper 24 is arranged at one side of the conveying mechanism 22, and the slurry box 21 is arranged at the upper part of the side fixing plate 25; when the trowelling device 2 starts to work, slurry is poured into the slurry tank 21, and the slurry flows out, the conveying mechanism 22 starts to drive the scraper 24 to work, and the scraper 24 evenly trowels the slurry on the ground.
The conveying mechanism 22 comprises a hydraulic motor 221, a fixed seat 222, a chain 223, a fixed block 224, chain wheels 225, a transmission shaft 227 and scraping plates 24, wherein the fixed seat 222 is arranged on one side of a side fixing plate 25, the hydraulic motor 221 is arranged on one side of the fixed seat 222, a plurality of chain wheels 225 are arranged on the other side of the side fixing plate 25, the chain 223 is arranged between the chain wheels 225 on the same side, a plurality of fixed blocks 224 are arranged on one side of the chain 223, the scraping plates 24 are arranged on one side of the fixed block 224, the transmission shaft 227 is arranged between different side chain wheels 225, and the head of the hydraulic motor; when transmission is needed, the hydraulic motor 221 provides power to drive the chain wheel 225 to rotate, the chain wheel 225 drives the chain 223 to move, meanwhile, the chain wheel 225 drives the chain wheels 225 on different sides to rotate through the transmission shaft 227, so that the two chains 223 move synchronously, the movement of the chain 223 enables the fixing block 224 to drive the scraper 24 to move, the uniform rotation speed of the hydraulic motor 221 enables the scraper 24 to move at a uniform speed, and therefore the working requirement that the scraper 24 can evenly trowel ground slurry is met.
One side of the chain 223 is provided with a support plate 226, so that the chain 223 is prevented from loosening and falling under the action of gravity of the scraper 24, and the normal operation of the device is prevented from being influenced.
A special grout pouring and trowelling device for a pouring type anti-rutting road surface comprises the following working processes: an oil station of the carrier vehicle provides power for an oil cylinder and a hydraulic motor, when the trowelling device starts to work, slurry is poured into a slurry box, the slurry flows out, the hydraulic motor provides power to drive a chain wheel to rotate, the chain wheel drives a chain to move, meanwhile, the chain wheel drives chain wheels on different sides to rotate through a transmission shaft, so that the two chains move synchronously, the movement of the chain enables a fixed block to drive a scraper to move, the uniform rotating speed of the hydraulic motor enables the scraper to move at a uniform speed, the working requirement that the scraper can evenly trowel ground slurry is met, meanwhile, the side scraper can be opened at different angles under the action of a tension spring due to different stress conditions, the auxiliary scraper can trowel better, when the trowelling work is finished, the oil cylinder contracts to drive the trowelling device to rotate upwards around a rotating shaft I, and the device is connected with the carrier vehicle so that the device is convenient to transport, the storage can be easily carried out in a non-working state, and the space is saved.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (6)
1. A special grout filling and trowelling device for a filling type anti-rutting road surface comprises a power device and a trowelling device, wherein the trowelling device is arranged on one side of the power device;
the power device is characterized by comprising oil cylinders, connecting arms, a rotating shaft I, connecting rods and a carrying vehicle, wherein one side of the carrying vehicle is provided with a group of connecting arms, the connecting arms are movably connected with the carrying vehicle through pin shafts, one side of each connecting arm is provided with the connecting rods, one side of each connecting rod is provided with the rotating shaft I, the rotating shaft I is arranged on one side of the trowelling device, one end of each connecting rod is movably connected with the connecting arms through the pin shafts, the other end of each connecting rod is movably connected with the rotating shaft I, a group of oil cylinders are arranged between the two connecting arms, the tail parts of the oil;
the trowelling device comprises a slurry box, a conveying mechanism, a base, a scraping plate and a side fixing plate, wherein the side fixing plate is arranged at the upper part of the base, the conveying mechanism is arranged at one side of the side fixing plate, the scraping plate is arranged at one side of the conveying mechanism, and the slurry box is arranged at the upper part of the side fixing plate;
transport mechanism includes hydraulic motor, fixing base, chain, fixed block, sprocket, transmission shaft, scraper blade, the fixing base sets up in side fixed plate one side, and fixing base one side is equipped with hydraulic motor, side fixed plate opposite side is equipped with a plurality of sprockets, is equipped with the chain between the homonymy sprocket, and chain one side is equipped with a plurality of fixed blocks, and fixed block one side is equipped with the scraper blade, is equipped with the transmission shaft between different side chain wheels, the hydraulic motor head is connected with one of them sprocket through the parallel key.
2. The special grout pouring and trowelling device for the poured-in type anti-rutting pavement according to claim 1, wherein a support plate is arranged on one side of the chain.
3. The grouting type rut-resistant pavement special grout grouting and trowelling device according to claim 1, wherein a side scraper is arranged on one side of the scraper, a supporting block is arranged on one side of the side scraper, a tension spring is arranged between the scraper and the side scraper, a connecting shaft is arranged in the center of the tension spring, a rotating shaft II is arranged on the other side of the scraper, and the scraper and the side scraper are movably connected through the rotating shaft II.
4. The special grouting and trowelling device for the poured-in type anti-rutting pavement according to claim 1, wherein a cleaning brush is arranged on one side of the fixing block.
5. The grouting type anti-rutting road surface special grout grouting and trowelling device of claim 1, wherein a spring is arranged inside the base, the spring is arranged between the base and the side fixing plate, and the base is sleeved on the side fixing plate.
6. The special grouting and troweling device for the poured-in type anti-rutting pavement according to claim 3, wherein the scraping plates and the side scraping plates are made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752021.3U CN211113042U (en) | 2019-10-16 | 2019-10-16 | Filling type anti-rut pavement special slurry filling and leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752021.3U CN211113042U (en) | 2019-10-16 | 2019-10-16 | Filling type anti-rut pavement special slurry filling and leveling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211113042U true CN211113042U (en) | 2020-07-28 |
Family
ID=71688332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921752021.3U Withdrawn - After Issue CN211113042U (en) | 2019-10-16 | 2019-10-16 | Filling type anti-rut pavement special slurry filling and leveling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211113042U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110607731A (en) * | 2019-10-16 | 2019-12-24 | 山东路易达交通科技有限公司 | Filling type anti-rut pavement special slurry filling and leveling device |
| CN112195728A (en) * | 2020-09-27 | 2021-01-08 | 董长艳 | Concrete road construction is with having automatic indentation and preventing lateral leakage formula device of strickleing off |
-
2019
- 2019-10-16 CN CN201921752021.3U patent/CN211113042U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110607731A (en) * | 2019-10-16 | 2019-12-24 | 山东路易达交通科技有限公司 | Filling type anti-rut pavement special slurry filling and leveling device |
| CN110607731B (en) * | 2019-10-16 | 2024-05-28 | 山东路易达交通科技有限公司 | Pouring type anti-rut pavement special slurry pouring trowelling device |
| CN112195728A (en) * | 2020-09-27 | 2021-01-08 | 董长艳 | Concrete road construction is with having automatic indentation and preventing lateral leakage formula device of strickleing off |
| CN112195728B (en) * | 2020-09-27 | 2022-03-29 | 雷州市国扬建材有限公司 | Concrete road construction is with having automatic indentation and preventing lateral leakage formula device of strickleing off |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110607731B (en) | Pouring type anti-rut pavement special slurry pouring trowelling device | |
| CN211113042U (en) | Filling type anti-rut pavement special slurry filling and leveling device | |
| CN207079449U (en) | A kind of construction material laying apparatus of adaptive width of roadway | |
| CN106835973B (en) | Web-superhigh tenacity cement-base composite material combined bridge deck structure and method | |
| CN106400664B (en) | The high strength polymer rapid-patching machine of road surface pit slot | |
| CN212128774U (en) | Filling type anti-rut pavement special slurry filling and leveling device | |
| CN113863108A (en) | Pothole filling and repairing device for road and bridge | |
| CN111236016B (en) | Ultrahigh-toughness cement-based composite material leveling texture all-in-one machine for road engineering and working method thereof | |
| CN215164428U (en) | Concrete pavement flattening device | |
| CN217419221U (en) | High-strength concrete grouting material ground slurry paving device | |
| CN212801116U (en) | A shakeout device for concrete paving road surface | |
| CN210395065U (en) | A fluting road patching all-in-one for highway is repaired | |
| CN209854521U (en) | Quick maintenance device of bituminous paving | |
| CN210458825U (en) | Concrete road foundation construction device | |
| CN214245277U (en) | Crack watering device that highway maintenance was used | |
| CN208072147U (en) | A kind of road surface cement spreading device for municipal works | |
| CN216007836U (en) | Pressure injection machine for construction of salt and alkali resistant polymer waterproof mortar | |
| CN218322279U (en) | Crack pouring device for highway maintenance | |
| CN216787858U (en) | Automatic distributing device for concrete laying | |
| CN215801640U (en) | Dykes and dams curing device is newly repaired to hydraulic engineering | |
| CN219527307U (en) | Road bridge deck crack pouring device | |
| CN215801117U (en) | Road and bridge crack reinforced structure | |
| CN214938996U (en) | Movable slurry filling machine | |
| CN216739145U (en) | Pitch laying device is used in municipal works construction maintenance | |
| CN216194108U (en) | Bridge floor concrete spreading device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200728 Effective date of abandoning: 20240528 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200728 Effective date of abandoning: 20240528 |