CN218905778U - Bridge expansion joint concrete curing means - Google Patents
Bridge expansion joint concrete curing means Download PDFInfo
- Publication number
- CN218905778U CN218905778U CN202222669041.2U CN202222669041U CN218905778U CN 218905778 U CN218905778 U CN 218905778U CN 202222669041 U CN202222669041 U CN 202222669041U CN 218905778 U CN218905778 U CN 218905778U
- Authority
- CN
- China
- Prior art keywords
- concrete curing
- shaped plate
- expansion joint
- concrete
- bridge expansion
- 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.)
- Expired - Fee Related
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 143
- 239000012528 membrane Substances 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 230000007246 mechanism Effects 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000011065 in-situ storage Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011384 asphalt concrete Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- -1 wet gunny bags Substances 0.000 description 1
Images
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model belongs to the field of concrete curing, and particularly relates to a bridge expansion joint concrete curing device. The technology includes the concrete curing membrane, the one end of concrete curing membrane is provided with first support, and its other end is provided with the second support, installs first roller on the second support, and the one end of concrete curing membrane links to each other with first support, and its other end is around rolling up on first roller, can unreel and roll concrete curing membrane through first roller. This curing means can utilize concrete curing membrane maintenance bridge expansion joint department cast in situ concrete, can utilize first roller unreel concrete curing membrane, reduces the manual work intensity of laying when concrete curing membrane of manual work, after bridge expansion joint department cast in situ concrete maintenance is accomplished, can utilize first roller rolling concrete curing membrane, can be convenient for rolling concrete curing membrane, after the rolling of concrete curing membrane, can be used for repeatedly used.
Description
Technical Field
The utility model belongs to the field of concrete curing, and particularly relates to a bridge expansion joint concrete curing device.
Background
Bridge expansion joints are a type of construction that is provided between two beam ends of a bridge, between a beam end and a bridge abutment, or at a hinge position of a bridge, for adjusting displacement and coupling between superstructure caused by vehicle loads and bridge construction materials. After the bridge expansion joint is installed, concrete needs to be poured on the bridge expansion joint, so that the bridge expansion joint and bridge deck asphalt concrete at two sides are connected into a whole. And curing the concrete after the concrete at the expansion joint of the bridge is poured, so as to ensure the quality of the concrete layer structure at the expansion joint.
When the prior art is used for curing bridge expansion joint concrete, wet gunny bags, straw mats, geotextiles and the like are generally adopted to cover the concrete, and water is often sprayed for moisturizing. In addition, there are also technologies for curing cast-in-place concrete by using a concrete curing film, wherein the concrete curing film is prepared by taking a novel controllable polymer absorbing material as a core raw material according to the hydration principle of concrete, has strong water absorbing capacity, and is tightly attached to the concrete after absorbing water, so that the absorbed water is not split and extruded, is difficult to evaporate, but can be transferred and permeated on the surface of the concrete by capillary phenomenon, and the water for curing the concrete is continuously provided.
In the prior art, when the cast-in-place concrete is cured by using the concrete curing film, manual laying is mostly adopted, after the cast-in-place concrete curing is finished, the concrete curing film is not convenient to roll up again, and the concrete curing film is abandoned and is not reused, so that the material is wasted.
Disclosure of Invention
According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: the utility model provides a bridge expansion joint concrete curing means, this curing means utilize concrete curing membrane maintenance bridge expansion joint department cast in situ concrete, utilize the roller unreels concrete curing membrane, reduced artifical work intensity, utilize roller rolling concrete curing membrane, can be convenient for rolling concrete curing membrane, be favorable to concrete curing membrane repeatedly usable.
The bridge expansion joint concrete curing device comprises a concrete curing membrane, wherein one end of the concrete curing membrane is provided with a first support, the other end of the concrete curing membrane is provided with a second support, a first roll shaft is arranged on the second support, one end of the concrete curing membrane is connected with the first support, and the other end of the concrete curing membrane is wound on the first roll shaft and can be unwound and wound.
Further, the second bracket comprises a first U-shaped plate and a second U-shaped plate, openings of the first U-shaped plate and the second U-shaped plate are downwards arranged, travelling wheels are arranged at the bottom of the front side and the bottom of the rear side of the first U-shaped plate and the bottom of the front side and the bottom of the rear side of the second U-shaped plate, and the top end of the first U-shaped plate is connected with the top end of the second U-shaped plate through a top plate; a third U-shaped plate is arranged between the first U-shaped plate and the second U-shaped plate, an opening of the third U-shaped plate is downwards arranged, the first roller shaft is rotatably arranged at the bottom of the third U-shaped plate, a first lifting mechanism is arranged between the top end of the third U-shaped plate and the top plate, and the first lifting mechanism is used for controlling the third U-shaped plate to lift.
Further, rocking handles are arranged at the front end and the rear end of the first roll shaft.
Further, the bottom plate is installed to the bottom of first U template, and the leading wheel is installed to the middle part bottom of bottom plate, and the leading wheel can block into in the gap of bridge expansion joint.
Further, the top of bottom plate installs the water pipe, and the lateral wall of water pipe is provided with a plurality of shower nozzles, and a plurality of shower nozzles are one row or two rows of distribution along the axial of water pipe.
Further, the first bracket is in a U-shaped plate shape, and an opening of the first bracket is downward arranged; a fourth U-shaped plate is arranged on the inner side of the first bracket, an opening of the fourth U-shaped plate is downwards arranged, a second roll shaft is arranged at the bottom of the fourth U-shaped plate, and one end of the concrete curing film is wound on the second roll shaft; a second lifting mechanism is arranged between the top end of the fourth U-shaped plate and the top end of the first bracket, and the second lifting mechanism is used for controlling the fourth U-shaped plate to lift.
Compared with the prior art, the utility model has the following beneficial effects:
this curing means can utilize concrete curing membrane maintenance bridge expansion joint department cast in situ concrete, can utilize first roller unreel concrete curing membrane, reduces the manual work intensity of laying when concrete curing membrane of manual work, after bridge expansion joint department cast in situ concrete maintenance is accomplished, can utilize first roller rolling concrete curing membrane, can be convenient for rolling concrete curing membrane, after the rolling of concrete curing membrane, can be used for repeatedly used.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a right side view of the present utility model;
FIG. 3 isbase:Sub>A schematic view ofbase:Sub>A partial structure of the section A-A in FIG. 1;
FIG. 4 is a schematic view of a partial structure of the section B-B in FIG. 1;
the names of the components in the figure are as follows: 1. the concrete curing membrane comprises a first bracket 2, a second roll shaft 3, a concrete curing membrane 4, travelling wheels 5, a second bracket 5.1, a bottom plate 5.2, a first U-shaped plate 5.3, a top plate 5.4, a second U-shaped plate 6, a first roll shaft 7, guide wheels 8, a water pipe 9, a rocking handle 10, a third U-shaped plate 11, a screw 12, a spray head 13, a guide rod 14 and a fourth U-shaped plate.
Detailed Description
The present utility model is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.
Example 1
The embodiment of the concrete curing device for the bridge expansion joint comprises a concrete curing membrane 3, wherein one end of the concrete curing membrane 3 is provided with a first support 1, the other end of the concrete curing membrane is provided with a second support 5, a first roll shaft 6 is arranged on the second support 5, one end of the concrete curing membrane 3 is connected with the first support 1, the other end of the concrete curing membrane is wound on the first roll shaft 6, and the concrete curing membrane 3 can be unreeled and wound through the first roll shaft 6.
The working principle and the technical effect of the embodiment are as follows: when the curing device is used for curing cast-in-place concrete at the expansion joint of the bridge, concrete is poured at two sides of the expansion joint of the bridge in the extending direction, and a concrete curing film 3 is paved on the cast-in-place concrete for curing the concrete after the concrete is initially set; when the concrete curing membrane 3 is paved, the first bracket 1 is fixed on the ground at one end of the extending direction of the bridge expansion joint, one end of the concrete curing membrane 3 is fixed along with the first bracket 1, the second bracket 5 is moved along the extending direction of the bridge expansion joint, meanwhile, the first roll shaft 6 is moved along with the second bracket 5, the first roll shaft 6 is rotated manually or under the action of the concrete curing membrane 3, the concrete curing membrane 3 is unreeled by the first roll shaft 6, meanwhile, the second bracket 5 is watered in front of the moving direction of the second roll shaft, the surface of the cast-in-place concrete is wetted by water, the water is poured on the concrete curing membrane 3, the concrete curing membrane 3 is fully absorbed by water and then stuck to the surface of the cast-in-place concrete, and the concrete curing membrane 3 is spread along the extending direction of the bridge expansion joint and stuck to the surface of the cast-in-place concrete at two sides of the extending direction of the bridge expansion joint; in the curing process of cast-in-place concrete at the bridge expansion joint, no frequent sprinkling is needed, the concrete curing membrane 3 fully absorbs water during laying, the absorbed water is not shunted and extruded, and is difficult to evaporate, but the water can be transferred and permeated on the surface of the concrete by capillary phenomenon, and the water for curing the concrete is continuously provided; after the cast-in-place concrete curing at the bridge expansion joint is completed, the second support 5 is moved along the extending direction of the bridge expansion joint, so that the second support 5 is close to the first support 1, meanwhile, the first roll shaft 6 can be manually rotated to roll the concrete curing membrane 3, and the concrete curing membrane 3 can be reused for the next time after being rolled. This curing means can utilize concrete curing membrane maintenance bridge expansion joint department cast-in-place concrete, can utilize first roller 6 unreel concrete curing membrane 3, reduce the manual work intensity of laying when concrete curing membrane 3 of manual work, after bridge expansion joint department cast-in-place concrete maintenance is accomplished, through removing second support 5 and rotating first roller 6, can utilize first roller 6 rolling concrete curing membrane 3, can be convenient for rolling concrete curing membrane 3, after the rolling of concrete curing membrane 3, can be used for used repeatedly, first roller 6 unreels the controllable length of concrete curing membrane 3, can be applicable to the bridge expansion joint department cast-in-place concrete maintenance of different length.
Example 2
In this embodiment, as shown in fig. 1 to 3, the second bracket 5 further includes a first U-shaped board 5.2 and a second U-shaped board 5.4, openings of the first U-shaped board 5.2 and the second U-shaped board 5.4 are downward, the front bottom and the rear bottom of the first U-shaped board 5.2 and the front bottom and the rear bottom of the second U-shaped board 5.4 are provided with travelling wheels 4, so as to facilitate movement, the top end of the first U-shaped board 5.2 is connected with the top end of the second U-shaped board 5.4 through a top board 5.3, specifically, the top end of the first U-shaped board 5.2 is fixedly connected with the bottom end of the top board 5.3, and the top end of the second U-shaped board 5.4 is fixedly connected with the bottom end of the top board 5.3; a third U-shaped plate 10 is arranged between the first U-shaped plate 5.2 and the second U-shaped plate 5.4, the opening of the third U-shaped plate 10 is downwards arranged, the first roll shaft 6 is rotatably arranged at the bottom of the third U-shaped plate 10, a first lifting mechanism is arranged between the top end of the third U-shaped plate 10 and the top plate 5.3 and is used for controlling the third U-shaped plate 10 to lift, so that the first roll shaft 6 can be controlled to lift, and when the first roll shaft 6 unreels the concrete curing film 3, the first roll shaft 6 is controlled to descend, so that the concrete curing film 3 can be attached to the surface of concrete.
As a preferred embodiment, as shown in fig. 1 to 3, the first lifting mechanism includes a screw 11, the bottom end of the screw 11 is rotatably connected with the top end of the third U-shaped board 10 through a bearing, the top of the screw 11 penetrates through the top plate 5.3, the screw 11 is in threaded connection with the top plate 5.3, a plurality of guide rods 13 are arranged between the top end of the third U-shaped board 10 and the top plate 5.3, the bottom end of each guide rod 13 is fixedly connected with the top end of the third U-shaped board 10, the top of each guide rod 13 penetrates through the top plate 5.3, each guide rod 13 is parallel to the screw 11, the third U-shaped board 10 can be controlled to lift by rotating the screw 11, and the guide rods 13 can guide the third U-shaped board 10 to lift in the vertical direction; it should be noted here that, in addition to the structure of the screw 11, the first lifting mechanism may also be an electric lifting rod, a hydraulic lifting cylinder or an air cylinder, but when the bridge expansion joint is used for curing cast-in-place concrete, the screw 11 is used for manually controlling the lifting of the third U-shaped plate 10, and no power supply or the like is needed.
In this embodiment, a hand wheel is mounted on the top end of the screw 11 to facilitate rotation of the screw 11.
The working principle and the technical effect of the embodiment are as follows: when the curing device is used for curing cast-in-place concrete at the bridge expansion joint, when the concrete curing membrane 3 is paved, the first support 1 is fixed on the ground at one end of the extending direction of the bridge expansion joint, one end of the concrete curing membrane 3 is fixed along with the first support 1, the second support 5 is moved along the extending direction of the bridge expansion joint, the concrete curing membrane 3 is unreeled through the first roll shaft 6, the first roll shaft 6 is controlled to descend by the operable screw 11, the concrete curing membrane 3 is attached to the concrete surface for advancing, or after a section of concrete curing membrane 3 is unreeled, the first roll shaft 6 is controlled to descend by the operable screw 11, and the concrete curing membrane 3 is attached to the concrete surface.
Example 3
In this embodiment, as shown in fig. 1 to 3, the rocking handles 9 are installed at the front end and the rear end of the first roller shaft 6, and a worker can conveniently rotate the first roller shaft 6 by manually operating the rocking handles 9, and two rocking handles 9 can conveniently select one of the operations.
In this embodiment, the rocking handle 9 is in a zigzag shape, one end of the rocking handle is sleeved on the rotating shaft between the first roller shaft 6 and the third U-shaped plate 10, and the rocking handle 9 is detachably and fixedly connected with the rotating shaft, such as in a threaded connection or a bolt connection, so that the rocking handle 9 is rocked to rotate the first roller shaft 6, particularly when the concrete curing film 3 is rolled, and the rocking handle 9 drives the first roller shaft 6 to rotate so as to facilitate rolling the concrete curing film 3.
Example 4
In this embodiment, as shown in fig. 1 to 2, the bottom of the first U-shaped board 5.2 is provided with a bottom board 5.1, the bottom of the middle of the bottom board 5.1 is provided with a guide wheel 7, and the guide wheel 7 can be clamped into a gap of the bridge expansion joint.
As a preferred embodiment, in this embodiment, as shown in fig. 1 to 2, the travelling wheel 4 disposed at the bottom of the front side of the first U-shaped board 5.2 is mounted at the bottom of the front side of the bottom board 5.1, the travelling wheel 4 disposed at the bottom of the rear side of the first U-shaped board 5.2 is mounted at the bottom of the rear side of the bottom board 5.1, and the second bracket 5 can be moved conveniently by using a plurality of travelling wheels 4; specifically, the travelling wheel 4 is provided with a brake, so that parking is facilitated.
The working principle and the technical effect of the embodiment are as follows: when the maintenance device is used for maintaining cast-in-place concrete at the bridge expansion joint, when the second support 5 is moved, the guide wheel 7 is clamped into the gap of the bridge expansion joint, the four traveling wheels 4 are respectively positioned at two sides of the extending direction of the bridge expansion joint, when the second support 5 is pushed to move along the extending direction of the bridge expansion joint, the guide wheel 7 can guide along the gap of the bridge expansion joint, and the deflection of the moving direction of the second support 5 can be avoided.
Example 5
In this embodiment, as shown in fig. 1 to 2, the top of the bottom plate 5.1 is provided with a water pipe 8, the side wall of the water pipe 8 is provided with a plurality of spray heads 12, the spray heads 12 are distributed in one row or two rows along the axial direction of the water pipe 8, and the water pipe 8 is externally connected with a water source to spray water by using the spray heads 12.
In this embodiment, the plurality of spray heads 12 are distributed in two rows along the axial direction of the water pipe 8, and in the process of moving the second bracket 5 along the extending direction of the bridge expansion joint, one row of spray heads 12 sprays water forward to wet the concrete surface, and the other row of spray heads 12 sprays water backward, so that the water can be sprayed on the surface of the concrete curing membrane 3 to make the concrete curing membrane 3 absorb water, and of course, after the concrete curing membrane 3 is attached to the concrete surface, the water on the concrete surface can be absorbed by the concrete curing membrane to make the concrete curing membrane fully absorb water.
Example 6
In this embodiment, the technology of embodiment 2 is further described, as shown in fig. 1 and fig. 4, the first bracket 1 is in a U-shaped plate shape, and the opening of the first bracket is downward; the inner side of the first bracket 1 is provided with a fourth U-shaped plate 14, the opening of the fourth U-shaped plate 14 is downward, the bottom of the fourth U-shaped plate is provided with a second roll shaft 2, one end of the concrete curing film 3 is wound on the second roll shaft 2, specifically, the second roll shaft 2 is rotationally connected with the fourth U-shaped plate 14, a locking mechanism is arranged between the second roll shaft 2 and the fourth U-shaped plate 14, such as a bolt, when the first roll shaft 6 is used for unreeling the concrete curing film 3, the locking mechanism is used for locking the second roll shaft 2, the second roll shaft 2 is prevented from rotating, if necessary, the locking mechanism can be opened, and the second roll shaft 2 is used for properly unreeling the concrete curing film 3; a second lifting mechanism is arranged between the top end of the fourth U-shaped plate 14 and the top end of the first bracket 1, and is used for controlling the fourth U-shaped plate 14 to lift so as to control the second roll shaft 2 to lift, and when the concrete curing film 3 is paved, the concrete curing film 3 close to one end of the first bracket 1 can be controlled to descend through the second lifting mechanism so as to be attached to the concrete surface.
In this embodiment, as shown in fig. 1 to 4, the second lifting mechanism and the first lifting mechanism have the same structure.
In this embodiment, as shown in fig. 1 and 4, the bottom end of the front side and the bottom end of the rear side of the first bracket 1 are both provided with a pad, so that the contact area between the first bracket 1 and the ground can be increased by the pad, the first bracket 1 can stand stably, and in addition, a weight can be pressed on the pad to fix the first bracket 1, so as to avoid the first bracket 1 from tilting.
Claims (6)
1. The utility model provides a bridge expansion joint concrete curing means, includes concrete curing membrane (3), its characterized in that: one end of the concrete curing membrane (3) is provided with a first support (1), the other end of the concrete curing membrane is provided with a second support (5), a first roll shaft (6) is arranged on the second support (5), one end of the concrete curing membrane (3) is connected with the first support (1), the other end of the concrete curing membrane is wound on the first roll shaft (6), and the concrete curing membrane (3) can be unreeled and rolled through the first roll shaft (6).
2. The bridge expansion joint concrete curing apparatus according to claim 1, wherein: the second support (5) comprises a first U-shaped plate (5.2) and a second U-shaped plate (5.4), openings of the first U-shaped plate (5.2) and the second U-shaped plate (5.4) are downwards arranged, travelling wheels (4) are arranged at the bottom of the front side and the bottom of the rear side of the first U-shaped plate (5.2) and the bottom of the front side and the bottom of the rear side of the second U-shaped plate (5.4), and the top end of the first U-shaped plate (5.2) is connected with the top end of the second U-shaped plate (5.4) through a top plate (5.3); a third U-shaped plate (10) is arranged between the first U-shaped plate (5.2) and the second U-shaped plate (5.4), an opening of the third U-shaped plate (10) is downwards arranged, a first roller shaft (6) is rotatably arranged at the bottom of the third U-shaped plate (10), a first lifting mechanism is arranged between the top end of the third U-shaped plate (10) and the top plate (5.3), and the first lifting mechanism is used for controlling the third U-shaped plate (10) to lift.
3. The bridge expansion joint concrete curing apparatus according to claim 2, wherein: the front end and the rear end of the first roll shaft (6) are provided with rocking handles (9).
4. The bridge expansion joint concrete curing apparatus according to claim 2, wherein: the bottom of first U template (5.2) is installed bottom plate (5.1), and leading wheel (7) are installed to the middle part bottom of bottom plate (5.1), and leading wheel (7) can block into in the gap of bridge expansion joint.
5. The bridge expansion joint concrete curing apparatus according to claim 4, wherein: the top of the bottom plate (5.1) is provided with a water pipe (8), the side wall of the water pipe (8) is provided with a plurality of spray heads (12), and the spray heads (12) are distributed in one row or two rows along the axial direction of the water pipe (8).
6. The bridge expansion joint concrete curing apparatus according to claim 2, wherein: the first bracket (1) is in a U-shaped plate shape, and an opening of the first bracket is downward arranged; a fourth U-shaped plate (14) is arranged on the inner side of the first bracket (1), an opening of the fourth U-shaped plate (14) is downwards arranged, a second roll shaft (2) is arranged at the bottom of the fourth U-shaped plate, and one end of the concrete curing membrane (3) is wound on the second roll shaft (2); a second lifting mechanism is arranged between the top end of the fourth U-shaped plate (14) and the top end of the first bracket (1), and the second lifting mechanism is used for controlling the fourth U-shaped plate (14) to lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222669041.2U CN218905778U (en) | 2022-10-10 | 2022-10-10 | Bridge expansion joint concrete curing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222669041.2U CN218905778U (en) | 2022-10-10 | 2022-10-10 | Bridge expansion joint concrete curing means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218905778U true CN218905778U (en) | 2023-04-25 |
Family
ID=86014702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222669041.2U Expired - Fee Related CN218905778U (en) | 2022-10-10 | 2022-10-10 | Bridge expansion joint concrete curing means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218905778U (en) |
-
2022
- 2022-10-10 CN CN202222669041.2U patent/CN218905778U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6497531B2 (en) | Concrete curing machine | |
| US4614486A (en) | Portable apparatus for compacting and leveling a poured floor | |
| US9382674B1 (en) | Concrete finishing machine | |
| DE19653697C1 (en) | Cleaning machine for large surfaces, particularly windows | |
| CN106013746A (en) | Outer wall stone-like paint spraying device | |
| CN218905778U (en) | Bridge expansion joint concrete curing means | |
| CN115182210A (en) | Waterproof engineering construction equipment and construction method for high-speed rail | |
| US4239580A (en) | Impregnated fabric applicator with vibrating applicator rolls | |
| EP2047064B1 (en) | Device for installing a seal in a tunnel | |
| DE112023000183T5 (en) | INTEGRATED CASTING AND RUNNING MACHINE FOR CANOPY CONSTRUCTION | |
| CN115369710B (en) | Construction method of anti-crack pavement | |
| CN211848800U (en) | Cement road surface health preserving cloth is laid and is watered curing means | |
| CN212524737U (en) | Combined coating device applied to coating machine | |
| JP3885554B2 (en) | Bridge extrusion method | |
| CN219690269U (en) | Concrete pavement maintenance tectorial membrane device | |
| AT404453B (en) | MACHINE FOR LAYING A CABLE | |
| CN205990581U (en) | A kind of urban construction Colophonium automatization laying equipment | |
| CN111155407A (en) | Cement road surface curing means | |
| CN221609563U (en) | Construction is with concrete maintenance tectorial membrane device | |
| CN220579739U (en) | Quick plastering device for concrete pavement | |
| DE3841455A1 (en) | Device for laying seals | |
| CN117656242A (en) | Manufacturing method of prefabricated box girder | |
| CN219024669U (en) | Wet-type tectorial membrane device for prefabricated bridge deck production line | |
| CN117601250A (en) | Prefabricated box girder manufacturing system | |
| CN220444138U (en) | Geopolymer cement curing means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230425 |