CN216196780U - Concrete stand maintenance cover and concrete stand maintenance system - Google Patents
Concrete stand maintenance cover and concrete stand maintenance system Download PDFInfo
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- CN216196780U CN216196780U CN202122432882.7U CN202122432882U CN216196780U CN 216196780 U CN216196780 U CN 216196780U CN 202122432882 U CN202122432882 U CN 202122432882U CN 216196780 U CN216196780 U CN 216196780U
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Abstract
The utility model provides a concrete upright post maintenance cover and a concrete upright post maintenance system, which have the technical scheme that the concrete upright post maintenance cover comprises a cover cloth assembly and a plurality of spray heads, the spray heads are arranged on the cover cloth assembly and are arranged at intervals along the circumferential direction of the cover cloth assembly, the cover cloth assembly comprises a supporting seat and cover cloth, the supporting seat is connected to the top of the cover cloth and is used for being fixed with a steel reinforcement cage at the top of an upright post, the cover cloth surrounds to form an annular structure and is used for surrounding the periphery of the upright post, and the spray heads are used for being connected with a water supply device and humidifying the outer wall of the upright post. The maintenance cover is suspended on the stand column by fixing the supporting seat and the reinforcement cage at the top of the stand column, the periphery of the stand column is surrounded by the cover cloth, and the outer wall of the stand column is sprayed with water and humidified by the spray head, so that the operation of manual spraying is replaced, the manpower burden is reduced, the phenomenon of uneven spraying is avoided, the surface of the stand column can be moisturized by the cover cloth, the water evaporation is reduced, and the water consumption is reduced.
Description
Technical Field
The utility model relates to the field of constructional engineering, in particular to a concrete upright post maintenance cover and a concrete upright post maintenance system.
Background
The concrete column is a common supporting component in the construction process of buildings and bridges, the concrete needs to be maintained after the concrete pouring is finished, so that the concrete is hardened and the strength of the concrete reaches the designed use strength and durability, the currently common concrete column moisturizing maintenance operation is that after the concrete column is poured, the concrete column is quickly covered by a plastic film, the concrete is kept moist within the specified maintenance time, and due to the wrapping of the plastic film, condensed water exists between the plastic film and the concrete column, but because the column is usually high in structure, the manual sprinkling is not uniform, and the construction quality and the building quality cannot be ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a concrete upright post maintenance cover which has the effects of improving the maintenance quality of the concrete upright post and reducing the labor load.
The utility model also aims to provide a concrete upright post maintenance system adopting the concrete upright post maintenance cover.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a concrete stand supports guard shield, includes cover cloth subassembly and shower nozzle, the shower nozzle is installed on the cover cloth subassembly and is equipped with a plurality ofly along the circumference interval of cover cloth subassembly, the cover cloth subassembly includes supporting seat and cover cloth, supporting connection is in the top of cover cloth and is used for fixed with the steel reinforcement cage at stand top, the cover cloth encloses to close and forms annular structure and is used for encircleing the periphery at the stand, the shower nozzle is used for being connected with water supply installation and is the outer wall humidification of stand.
Further setting: the cover cloth subassembly is including a plurality of sections covers of end to end connection in proper order from top to bottom, every the section cover all is equipped with cover cloth, the section cover that is located the top is equipped with the supporting seat.
Further setting: the section covers comprise two connecting pieces which are respectively positioned at the upper end and the lower end of the section covers, the cover cloth is connected between the two connecting pieces, the adjacent two section covers are fixedly connected through the connecting pieces, and the connecting pieces of the section covers positioned at the top are connected with the supporting seat.
Further setting: the supporting seat is frustum-shaped and can be inserted into a reinforcement cage at the top of the stand column, and the diameter of the cross section of the top of the supporting seat is larger than that of the bottom of the supporting seat.
Further setting: the section cover further comprises a chain, and the chain is connected between the two connecting pieces.
Further setting: the spray head is arranged on at least one connecting piece of at least one section cover.
Further setting: the connecting piece of the upper end of the section cover positioned at the top is a connecting plate, the supporting seat and the cover cloth are connected to the same side of the connecting plate, a furling ring is arranged on one side, close to the cover cloth, of the connecting plate, and the furling ring is used for furling reinforcing steel bars on the periphery of the reinforcing cage.
Further setting: the cover cloth is made of waterproof materials.
Further setting: the cover cloth is made of transparent materials.
The utility model also provides a concrete upright post maintenance system which comprises the concrete upright post maintenance cover and a water supply device, wherein the water supply device comprises a water tank, a pump control device and a flexible water pipe, the flexible water pipe is connected with the spray head, and the pump control device is used for conveying water in the water tank to the spray head through the flexible water pipe.
Further setting: concrete column maintenance system still includes monitoring control device, monitoring control device includes humiture response piece, wireless transmitting module, wireless receiving module and control module, humiture response piece is installed in the health preserving cover and is used for detecting the temperature and the humidity of shower nozzle department, wireless transmitting module is used for sending the temperature and the humidity information that humiture response piece acquireed to wireless receiving module, wireless receiving module is used for transmitting received temperature and humidity information to control module, control module is used for responding temperature and humidity information and sends control command to water supply installation.
Compared with the prior art, the scheme of the utility model has the following advantages:
1. in the concrete upright post maintenance cover, the support base is fixed with the reinforcement cage at the top of the upright post, so that the maintenance cover is suspended on the upright post, the periphery of the upright post is surrounded by the cover cloth, and the outer wall of the upright post is sprayed with water for humidification through the spray head, thereby replacing the existing manual spraying operation, reducing the labor burden, avoiding the phenomenon of uneven spraying, and playing a role of moisturizing the surface of the upright post through the cover cloth, reducing the evaporation of water and reducing the consumption of water.
2. According to the concrete upright post curing system, the water supply device and the monitoring control device are arranged, the water supply device provides water for the spray head, the monitoring control device can detect the temperature and the humidity inside the curing cover through the temperature and humidity sensing part and feed back the temperature and the humidity to the control module, the water supply device is controlled to supply water to the spray head, the temperature and the humidity inside the curing cover are kept at a proper level, the curing quality of the concrete upright post is improved, meanwhile, the water consumption in the curing process of the concrete upright post can be effectively controlled, and the water consumption is greatly reduced.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of a concrete column maintenance cover according to an embodiment of the present invention;
FIG. 2 is a schematic view of the interior of a concrete column maintenance cover according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a concrete column maintenance system according to an embodiment of the present invention;
FIG. 4 is a schematic internal view of a concrete pole maintenance system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a monitoring and controlling device according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the utility model.
As shown in fig. 1 to 2, the present invention provides a concrete column maintenance cover 1, which includes a cover cloth assembly, the cover cloth assembly includes a plurality of section covers connected end to end in sequence from top to bottom, in this embodiment, the plurality of section covers are a positioning top cover 11, a middle section cover 12 and a floor cover 13, the positioning top cover 11, the middle section cover 12 and the floor cover 13 are sequentially arranged from top to bottom, wherein the positioning top cover 11 and the floor cover 13 are respectively provided one, the positioning top cover 11 is provided at the top of the maintenance cover 1, the floor cover 13 is provided at the bottom of the maintenance cover 1, the middle section cover 12 is connected between the positioning top cover 11 and the floor cover 13, the middle section cover 12 is provided with at least one, in this embodiment, the middle section covers 12 are provided with a plurality of section covers 12, the plurality of middle section covers 12 are connected end to end, and the number of the middle section covers 12 is selected according to the height of the concrete column. In the embodiment, each section cover is provided with a cover cloth 113, and the cover cloth 113 encloses to form an annular structure and is used for surrounding the periphery of the upright post.
In this embodiment, the positioning top cover 11 includes a support seat 111, and the support seat 111 is used for fixing with a reinforcement cage on the top of the column. Preferably, the supporting seat 111 is frustum-shaped and can be inserted into a reinforcement cage at the top of the upright column, and the cross-sectional diameter of the top of the supporting seat 111 is larger than that of the bottom of the supporting seat. In the process of fixing the positioning top cover 11 and the reinforcement cage, the supporting seat 111 can be inserted into the reinforcement cage by using the frustum-shaped structure of the supporting seat 111, and the supporting seat 111 is pressed in the reinforcement cage by using the self weight of the positioning top cover 11, so that the positioning top cover 11 and the concrete upright are relatively fixed.
Furthermore, each section cover comprises two connecting pieces which are respectively positioned at the upper end and the lower end of the section cover, the cover cloth 113 is connected between the two connecting pieces, and the adjacent two section covers are fixedly connected through the connecting pieces.
In this embodiment, the connecting members at the upper and lower ends of the positioning top cover 11 correspond to the connecting plate 112 and the first connecting frame 114, the supporting seat 111 is connected to the connecting plate 112, the cover cloth 113 is connected between the connecting plate 112 and the first connecting frame 114, preferably, the cover cloth 113 and the first connecting frame 114 are fixed by rivets, the cover cloth 113 is connected to the outer edge of the connecting plate 112, and the size and shape of the connecting plate 112 are selected according to the cross-sectional size and shape of the concrete column, so that the cover cloth 113 can naturally fall and cover the periphery of the concrete column.
Further, the connecting pieces at the upper end and the lower end of the middle section cover 12 are both second connecting frames 121, the cover cloth 113 is connected between the two second connecting frames 121, and the second connecting frames 121 and the cover cloth 113 are preferably fixed in a rivet manner. The second connecting frame 121 of the uppermost intermediate joint cover 12 is connected to the first connecting frame 114, and the second connecting frames 121 of two adjacent intermediate joint covers 12 are connected and fixed to each other.
Further, the connecting pieces at the upper and lower ends of the floor hood 13 are third connecting frames 131, the hood cloth 113 is connected between the two third connecting frames 131, and the third connecting frames 131 and the hood cloth 113 are preferably fixed by rivets. The second connection frame 121 of the lowermost intermediate joint cover 12 is connected to the third connection frame 131. In this embodiment, the structure of the floor cover 13 is the same as that of the middle section cover 12, and the floor cover 13 naturally falls to the ground to compensate the distance between the lowest middle section cover 12 and the ground.
In this embodiment, the sizes of the first connecting frame 114, the second connecting frame 121 and the third connecting frame 131 are matched. The first connection frame 114 and the second connection frame 121, the second connection frame 121 and the third connection frame 131, and two adjacent second connection frames 121 may be connected by snap-fastening. Preferably, positioning blocks are arranged between the first connecting frame 114 and the second connecting frame 121, between the second connecting frame 121 and the third connecting frame 131, and between two adjacent second connecting frames 121, and the positioning blocks may be magnetic components, and are attracted to each other by magnetism during connection, so as to facilitate positioning and assembling of the positioning top cover 11, the middle joint cover 12, and the floor cover 13.
Further, the maintenance cover 1 further comprises a spray head 14, the spray head 14 is preferably an atomization spray head, the spray head 14 is mounted on the cover cloth assembly and is used for humidifying the outer wall of the concrete upright post, in this embodiment, the spray head 14 is mounted on the connecting piece of the joint cover, preferably on the second connecting frame 121, and may also be mounted on the first connecting frame 114 and the third connecting frame 131. In other embodiments, the spray head 14 may also be mounted on the cover cloth 113. In this embodiment, the nozzles 14 are disposed on the cover cloth assembly at intervals along the vertical direction, and the nozzles 14 are disposed at intervals along the circumferential direction of the cover cloth assembly.
By coating the concrete upright post by the cover cloth 113 and then humidifying the concrete upright post by the spray head 14, manual spraying and humidifying are not needed, the labor burden is reduced, the condition of uneven spraying can be avoided, and the maintenance quality is greatly improved. In addition, the cover cloth 113 covers the concrete column, thereby greatly reducing the evaporation of water and reducing the consumption of water. The shower nozzle 14 sets up a plurality ofly along vertical direction to and set up a plurality ofly along cover cloth subassembly circumference, can spray more evenly concrete column surface, improve concrete column's maintenance quality.
Further, the link cover further includes a chain 132, and the chain 132 is connected between the two connecting members, wherein in the positioning top cover 11, the chain 132 is connected between the connecting plate 112 and the first connecting frame 114, in the middle link cover 12, the chain 132 is connected between the two second connecting frames 121, and in the floor cover 13, the chain 132 is connected between the two third connecting frames 131.
Through set up chain 132 in the festival cover, can reduce the atress of cover cloth 113, prevent that cover cloth 113 atress is too big and damaged, improve the overall structure intensity of festival cover, improve the durability of maintenance cover 1.
Further, the top surface of the supporting seat 111 is connected to the bottom surface of the connecting plate 112, and the top surface of the supporting seat 111 is the surface with the larger cross-sectional dimension. The bottom surface of the connecting plate 112 is the surface close to one side of the floor covering 13, a furling ring 115 is arranged on one side of the connecting plate 112 close to the covering cloth 113, the furling ring 115 is used for furling the reinforcing steel bars on the periphery of the reinforcement cage, and preferably, the furling ring 115 is arranged close to the outer edge of the connecting plate 112.
Through set up in the ring 115 of drawing in on the connecting plate 112, draw in the ring 115 and can carry on spacingly to the steel reinforcement cage, draw in the reinforcing bar at concrete column top in drawing in the ring 115, prevent that the crooked reinforcing bar of steel reinforcement cage periphery from contacting with cover cloth 113, avoid cover cloth 113 to be stabbed by the reinforcing bar, ensure cover cloth 113's integrality to promote the overall structure stability of health preserving cover 1.
Preferably, the gathering ring 115 is an annular thin-wall body, the diameter of which is larger than the cross-sectional diameter of the top surface of the supporting seat 111, and the height of the gathering ring 115 is selected according to actual conditions, and is preferably 30-40 cm.
Furthermore, a lifting lug 116 is arranged on one side of the connecting plate 112 away from the gathering ring 115, and the lifting lug 116 is preferably welded and fixed with the connecting plate 112, and may be in other connecting and fixing manners. Through set up lug 116 on connecting plate 112, can be more convenient for support hoist and mount of guard shield 1, reduce the degree of difficulty of installation and demolition.
In this embodiment, the supporting seat 111 is preferably a hollow structure, both the top surface and the bottom surface of the supporting seat 111 can be open, and the middle of the supporting seat 111 is a through structure. In other embodiments, the supporting base 111 may also have an open top surface and a plurality of water leakage holes on its bottom surface. In other embodiments, the supporting seat 111 may be a solid structure or a closed structure with both top and bottom surfaces.
Through designing supporting seat 111 for hollow structure, and the bottom is for opening the structure or setting up a plurality of holes that leak, both can reduce supporting seat 111's weight, reduce material consumption, also can avoid the accumulation rainwater.
In this embodiment, the cover cloth 113 is preferably made of a waterproof material, and may be made of a canvas material having a water-blocking ability. By making the cover cloth 113 of a waterproof material, the loss of moisture can be reduced, the moisture can be sufficiently retained on the surface of the concrete column, and the consumption of the moisture can be reduced.
Further, the cover cloth 113 may also be made of a transparent material. The cover cloth 113 is made of transparent material, so that the condition of the concrete upright post can be observed more conveniently, and the maintenance process of the concrete upright post is controlled better.
Referring to fig. 3 to 5, the utility model further provides a concrete column maintenance system, which includes the concrete column maintenance cover 1, and further includes a water supply device 2, where the water supply device 2 includes a water tank 21, a pump control device 22, and a flexible water pipe 23, the flexible water pipe 23 is connected to the spray head 14, and the pump control device 22 is used to deliver water in the water tank 21 to the spray head 14 through the flexible water pipe 23.
Further, the water inlet of the water tank 21 is provided with a water inlet filtering device, so that the sprayed water is filtered, and the surface of the concrete upright post is prevented from being polluted.
In this embodiment, each middle section cover 12 is provided with nozzles 14 in a surrounding manner, the flexible water pipe 23 is communicated with the plurality of nozzles 14 through the three-way joint 24, and water is delivered to the plurality of nozzles 14 from the water tank 21 to spray the surface of the concrete column.
Further, concrete column maintenance system still includes monitoring control device 3, monitoring control device 3 includes control module (not shown in the figure), humiture response 31, wireless transmitting module 32 and wireless receiving module 33, humiture response 31 is temperature and humidity sensor, and it installs in the maintenance cover 1 and is used for detecting the temperature and the humidity of shower nozzle 14 department, wireless transmitting module 32 is used for sending the temperature and the humidity information that humiture response 31 obtained to wireless receiving module 33, wireless receiving module 33 is used for transmitting received temperature and humidity information to control module, control module is used for responding temperature and humidity information and sends control command to water supply installation 2.
Utilize temperature and humidity sensor, but the temperature and humidity of the inside shower nozzle 14 department of real-time supervision maintenance cover 1 to feedback to control module, control module sends control command to water supply installation 2, makes the inside humiture of maintenance cover 1 keep at suitable level, improves the maintenance quality of concrete stand, can also carry out effective control to the moisture consumption of concrete stand maintenance in-process simultaneously, reduces the consumption of moisture by a wide margin.
Further, the monitoring and control device 3 further includes a water level sensor 34, the water level sensor 34 is disposed in the water tank 21 and is used for acquiring water level information in the water tank 21, the water level sensor 34 can send the water level information in the water tank 21 to the control module, and when the water level in the water tank 21 is lower than a set value, water can be automatically poured into the water tank 21 until the water level reaches a preset value.
When the concrete column needs to be maintained, the height of the concrete column is measured, for example, the height of the positioning top cover 11 and the height of the floor cover 13 are both 3 meters, the height of the middle section cover 12 is 2 meters, if the height of the concrete column is 9.5 meters, one positioning top cover 11, two middle section covers 12 and one floor cover 13 are needed respectively, and the positioning top cover 11, two middle section covers 12 and one floor cover 13 are fixedly connected in sequence. The maintenance cover 1 is firstly hung over the concrete upright column through a crane or other hoisting equipment, the floor cover 13 firstly covers the concrete upright column, then the maintenance cover 1 slowly falls down, the concrete upright column is sleeved in the maintenance cover 1, the installation of the maintenance cover 1 is completed, and after the installation is completed, the positioning top cover 11 can be locally or completely higher than the top surface of the concrete upright column. Set up after the requirement of temperature and humidity through monitoring control device 3 alright in order to begin to work, owing to adopt shower nozzle 14 to atomize water, cover cloth 113 is made by water-blocking material, consequently at the inside water smoke that forms of maintenance cover 1, the humidity of the inside air of maintenance cover 1 has greatly been improved, be favorable to the maintenance of concrete stand, effectively reduce the waste of water resource, and through temperature and humidity in temperature and humidity sensor real time monitoring maintenance cover 1, when reaching the maintenance condition, alright with stopping spraying, the consumption of water resource has further been reduced.
Compared with the prior art, the scheme of the utility model has the following advantages:
1. in the concrete upright post maintenance cover 1, the support seat 111 is fixed with a reinforcement cage at the top of the upright post, so that the maintenance cover 1 is hung on the upright post, the periphery of the upright post is surrounded by the cover cloth 113, and the outer wall of the upright post is sprayed with water and humidified by the spray head 14, thereby replacing the existing manual spraying operation, reducing the labor burden, avoiding the phenomenon of uneven spraying, and playing a role of moisturizing the surface of the upright post by the cover cloth 113, reducing the evaporation of water and reducing the consumption of water.
2. In the concrete upright post curing system, the water supply device 2 and the monitoring control device 3 are arranged, the water supply device 2 provides water for the spray head 14, the temperature and humidity inside the curing cover 1 can be detected by the monitoring control device 3 through the temperature and humidity sensing part 31 and fed back to the control module, the water supply device 2 is controlled to supply water to the spray head 14, the temperature and humidity inside the curing cover 1 are kept at a proper level, the curing quality of the concrete upright post is improved, meanwhile, the water consumption in the curing process of the concrete upright post can be effectively controlled, and the water consumption is greatly reduced.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (11)
1. The utility model provides a concrete column support cover which characterized by: including cover cloth subassembly and shower nozzle, the shower nozzle is installed and is equipped with a plurality ofly on the cover cloth subassembly and along the circumference interval of cover cloth subassembly, the cover cloth subassembly includes supporting seat and cover cloth, supporting seat connection is in the top of cover cloth and is used for fixed with the steel reinforcement cage at stand top, the cover cloth encloses to close and forms annular structure and is used for encircleing the periphery at the stand, the shower nozzle is used for being connected with water supply installation and is the outer wall humidification of stand.
2. The concrete column maintenance cover of claim 1, wherein: the cover cloth subassembly is including a plurality of sections covers of end to end connection in proper order from top to bottom, every the section cover all is equipped with cover cloth, the section cover that is located the top is equipped with the supporting seat.
3. The concrete column maintenance cover of claim 2, wherein: the section covers comprise two connecting pieces which are respectively positioned at the upper end and the lower end of the section covers, the cover cloth is connected between the two connecting pieces, the adjacent two section covers are fixedly connected through the connecting pieces, and the connecting pieces of the section covers positioned at the top are connected with the supporting seat.
4. The concrete column maintenance cover of claim 3, wherein: the supporting seat is frustum-shaped and can be inserted into a reinforcement cage at the top of the stand column, and the diameter of the cross section of the top of the supporting seat is larger than that of the bottom of the supporting seat.
5. The concrete column maintenance cover of claim 3, wherein: the section cover further comprises a chain, and the chain is connected between the two connecting pieces.
6. The concrete column maintenance cover of claim 3, wherein: the spray head is arranged on at least one connecting piece of at least one section cover.
7. The concrete column maintenance cover of claim 3, wherein: the connecting piece of the upper end of the section cover positioned at the top is a connecting plate, the supporting seat and the cover cloth are connected to the same side of the connecting plate, a furling ring is arranged on one side, close to the cover cloth, of the connecting plate, and the furling ring is used for furling reinforcing steel bars on the periphery of the reinforcing cage.
8. The concrete column maintenance cover of claim 1, wherein: the cover cloth is made of waterproof materials.
9. The concrete column maintenance cover of claim 1, wherein: the cover cloth is made of transparent materials.
10. The utility model provides a concrete column maintenance system which characterized by: the concrete column maintenance cover comprises the concrete column maintenance cover as claimed in any one of claims 1 to 9, and further comprises a water supply device, wherein the water supply device comprises a water tank, a pump control device and a flexible water pipe, the flexible water pipe is connected with the spray head, and the pump control device is used for conveying water in the water tank to the spray head through the flexible water pipe.
11. The concrete pole maintenance system of claim 10, wherein: still include monitoring control device, monitoring control device includes temperature and humidity response piece, wireless transmitting module, wireless receiving module and control module, temperature and humidity response piece is installed in the health preserving cover and is used for detecting the temperature and the humidity of shower nozzle department, wireless transmitting module is used for sending the temperature and the humidity information that temperature and humidity response piece obtained to wireless receiving module, wireless receiving module is used for transmitting received temperature and humidity information to control module, control module is used for responding temperature and humidity information and sends control command to water supply installation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122432882.7U CN216196780U (en) | 2021-10-08 | 2021-10-08 | Concrete stand maintenance cover and concrete stand maintenance system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122432882.7U CN216196780U (en) | 2021-10-08 | 2021-10-08 | Concrete stand maintenance cover and concrete stand maintenance system |
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| CN216196780U true CN216196780U (en) | 2022-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116122605A (en) * | 2023-02-23 | 2023-05-16 | 中建八局第一建设有限公司 | Multifunctional composite maintenance device for vertical concrete member and implementation method |
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2021
- 2021-10-08 CN CN202122432882.7U patent/CN216196780U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116122605A (en) * | 2023-02-23 | 2023-05-16 | 中建八局第一建设有限公司 | Multifunctional composite maintenance device for vertical concrete member and implementation method |
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