CN114278108B - Construction lifter canopy and construction method - Google Patents
Construction lifter canopy and construction method Download PDFInfo
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- CN114278108B CN114278108B CN202111573264.2A CN202111573264A CN114278108B CN 114278108 B CN114278108 B CN 114278108B CN 202111573264 A CN202111573264 A CN 202111573264A CN 114278108 B CN114278108 B CN 114278108B
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Abstract
The invention relates to a construction lifter canopy and a construction method, wherein the construction lifter canopy is arranged in the top area of a core tube where a construction lifter is positioned, and comprises a canopy main body (1), a turning plate (2) and a detachable top cover (3); a rectangular hole is formed in the center of the horizontal plane at the top of the canopy main body (1), and 2 turning plates (2) are symmetrically formed at two ends of the rectangular hole; the detachable top cover (3) is of a cuboid structure with one side completely opened, and rectangular holes formed in the opening side of the detachable top cover (3) and the horizontal plane of the top of the canopy main body (1) are equal in size and are butted together. The device and the method solve the problem that the sliding contact line of the construction lifter is easy to short-circuit in rainy days, can reduce the workload, shorten the operation time, avoid unnecessary ascending operation and reduce the potential safety hazard.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction lifter canopy and a construction method.
Background
The construction hoist is also called a construction elevator for a building, and can also be called an outdoor elevator, and the construction site lifts a cage. The construction lifter is a man-carrying and cargo-carrying construction machine which is frequently used in a building, is mainly used for the construction of the building such as the internal and external decoration of a high-rise building, a bridge, a chimney and the like, and is often matched with an integral climbing steel platform formwork (called a steel platform for short). The construction elevator is usually installed in the core tube, and the stopping floor is a steel platform from the basement to the top of the core tube, and the lifting cage and the guide rail frame are both high steel tapping platforms. The trolley line is also called a trolley wire, and is a group of power transmission devices for supplying power to mobile equipment, and is generally used as a power input wire of a construction lifter, and when raining, the trolley line can be directly exposed to rainwater, so that the construction lifter is extremely easy to short and cannot be used, and the construction period is affected. The construction elevator guide rail frame gradually adds the festival along with the construction of core section of thick bamboo vertical structure, and conventional canopy needs to be wholly demolishd when the guide rail frame adds the festival, reinstallates after adding the festival to accomplish, and complex operation, and need operating personnel to ascend a height the operation when demolishs, has certain security risk.
In prior art, chinese patent CN 206554423U relates to an integral canopy structure, integral canopy structure includes canopy main part and canopy support system, canopy support system comprises a plurality of canopy supports, the canopy main part is for waiting to install department length matched with integral structure, the canopy support comprises support main part and the layering of buckling deformation, the layering sets up in support main part top, just the layering is keeping away from the one end of installation basis and is buckled downwards and form fixed section, the fixed section of layering corresponds with the tip of support main part and links together and form integrated structure, the canopy main part sets up between support main part and layering. However, the integral type canopy structure cannot be applied to a construction lifter, and the problem that a sliding wire is easy to short-circuit in rain cannot be solved; the workload cannot be reduced when the construction lifter canopy is detached and installed; the safety risk of operators during ascending operation cannot be avoided. Therefore, a construction hoist canopy and a construction method are needed to meet the rainproof requirement of the construction hoist.
Disclosure of Invention
The invention aims to solve the problems that in the traditional construction, a sliding contact line of a construction lifter is easy to short-circuit in a rainy day, a guide rail frame is required to be integrally dismantled, and climbing dangerous operation exists in the process of dismantling the canopy. The special canopy and the construction method can meet the requirements on convenience and safety in the process of disassembling and installing the lifter canopy before and after the sections of the guide rail frame are added.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
A construction hoist canopy mounted in a core barrel top area where a construction hoist is located, the construction hoist canopy comprising a canopy body, a flap and a removable top cover; the lower part of the rain shed main body is arranged on a steel platform steel beam, a rectangular hole is formed in the center of the horizontal plane at the top of the rain shed main body, and 2 turning plates are symmetrically arranged at two ends of the rectangular hole; the detachable top cover is of a cuboid structure with one side completely opened, the opening side of the detachable top cover is equal to the rectangular hole formed in the horizontal plane of the top of the rain shed body, the rain shed body is opposite to the two rectangular holes of the detachable top cover, and the rain shed body and the detachable top cover are fixedly connected together through a connecting piece.
Further, the canopy main part includes canopy main part stand, canopy main part first horizontal support pole, canopy main part second horizontal support pole, canopy main part third horizontal support pole, canopy main part diagonal bracing, canopy main part decorative pattern steel sheet and canopy main part steel sheet net that punches a hole, canopy main part first horizontal support pole, canopy main part second horizontal support pole and canopy main part third horizontal support pole all level place.
Further, the plurality of the canopy main body upright posts are equal in length and are arranged in parallel in the vertical direction; the first horizontal support rods of the rain shed main body are vertically connected with the upright posts of the rain shed main body, the second horizontal support rods of the rain shed main body with equal length are arranged in parallel on the horizontal plane of the top of the rain shed main body, the direction of the second horizontal support rods is vertical to the connecting line of the centers of the two turning plates, and the second horizontal support rods of the rain shed main body are vertically connected with the first horizontal support rods of the rain shed main body in the horizontal plane of the top of the rain shed main body; the rain shed main body diagonal braces are two by two in a group to form a cross structure, and four ends of the cross structure are respectively at the joint of the rain shed main body upright post and the first horizontal support rod of the rain shed main body.
Further, the third horizontal support rod of the rain shed main body is vertically connected with the second horizontal support rod of the rain shed main body, and 2 third horizontal support rods of the rain shed main body are installed on two sides of a rectangular body formed by the plane rectangular holes at the top end of the rain shed main body and the turning plates.
Further, the turning plate is rotationally connected with the horizontal plane at the top end of the canopy main body, and the turning plate corresponds to the top working platform of the construction lifter in position; in a normal state, the turning plate is closed, and when the detachable top cover is detached and installed, the turning plate is opened.
Further, the corner of the rectangular hole 4 on the horizontal plane at the top end of the rain shed main body is provided with 1 fixed upright rod respectively.
Further, bolt holes are formed in the bottom of the detachable top cover and the fixed vertical rods, base plates are installed at the positions, outside the fixed vertical rods, of the bolt holes, and the detachable top cover is connected with the corresponding fixed vertical rods through bolts.
Further, the pattern steel plates are arranged on the outer surface of the detachable top cover and the horizontal plane position at the top end of the rain shed main body, and the pattern steel plates are uniformly distributed with pattern patterns on the surface; the punched steel plate net is arranged on the side elevation of the rain shed main body, and holes are uniformly distributed on the surface of the punched steel plate net.
The invention also relates to a construction method of the construction lifter canopy, which comprises the following steps:
The first step, a construction lifter is started to the lower part of the construction lifter rain shed main body, the top end of the construction lifter and the top end of the construction lifter rain shed main body can be ensured to be capable of being operated by a adult standing, and an operator can climb on the working platform at the top of the construction lifter through the construction lifter skylight and a special ladder;
Secondly, turning on turning plates on two sides of a detachable top cover on a rain shed of the construction hoist, properly adjusting the height of the construction hoist, and enabling an operator to stretch out the turning plates from the body to detach the detachable top cover;
Thirdly, lifting the detachable top cover by using a tower crane, and transporting the detachable top cover to a steel platform for storage; stopping using the construction hoist to stop it at level 1;
fourthly, climbing the steel platform;
step five, starting the construction lifter to the top of the guide rail frame after the steel platform is lifted, wherein the lifting height of the construction lifter is required to be not less than 200mm from the top of the guide rail frame, hanging the spliced standard section from a rectangular hole in the center of the horizontal plane of the top of the rain shed main body of the construction lifter by using a tower crane, hanging the spliced standard section to the position of 1 meter above the guide rail frame, slowly adjusting the position of the lifted standard section by using the tower crane, enabling the suspended standard section to be jointed with the lower guide rail frame, installing the standard section in place, and screwing bolts;
And sixthly, starting the construction hoist to the lower part of the construction hoist canopy, using a tower crane to hoist the detachable top cover to the original position, connecting the detachable top cover with a plane fixed upright rod at the top end of the construction hoist canopy main body by a bolt by an operator, screwing up the bolt, adjusting the height of the construction hoist, closing a turning plate, and completing the operation.
Based on the technical scheme, the construction lifter canopy and the construction method provided by the invention have the following technical effects:
1. Because the waterproof pattern steel plate is adopted, and the guide rail frame joint is only required to be disassembled and assembled to the detachable top cover, the problem that the sliding contact line of the construction lifter is wet by rain and is easy to short-circuit in a rainy day is solved;
2. because only the upper detachable top cover needs to be removed when the guide rail frame of the construction lifter is added with the sections, the workload is reduced, and the operation time is shortened;
3. Because when the construction elevator guide rail frame adds the festival, demountable top cap of demountable installation, the staff whole journey stands on the work platform at construction elevator top, only need stretch out the body and turn over the board, need not to ascend a height the operation, reduces the potential safety hazard.
Drawings
Fig. 1 is a front view of a construction hoist canopy according to the present invention.
FIG. 2 is a cross-sectional view of the construction hoist canopy A-A of the present invention.
Fig. 3 is a front view of the construction hoist canopy detachable top cover structure.
Fig. 4 is a schematic diagram of an operator boarding a construction platform in the construction method of the construction hoist canopy of the present invention.
Fig. 5 is a schematic view showing the removal of a top cover by an operator in the construction method of the rainshed of the construction hoist of the present invention.
Fig. 6 is a schematic view of a canopy of a construction hoist according to the present invention when the hoist is stopped at 1 floor.
Fig. 7 is a schematic view of a rain shed of a construction lifter when a steel platform climbs in the construction method of the rain shed of the construction lifter.
FIG. 8 is a schematic view of a canopy of a construction hoist with track frames being added with joints in the construction method of the present invention.
Fig. 9 is a schematic view of a rain shed for a construction lifter according to the present invention when a detachable top cover is installed in the construction method of the rain shed.
Reference numerals illustrate: 1-a rain shed main body 2-a turning plate 3-a detachable top cover 4-a fixed vertical rod 5-a base plate 6-a bolt 7-a pattern steel plate 8-a punched steel plate net 9-a steel wire rope 10-a tower crane lifting hook 11-a rain shed main body upright post 12-a rain shed main body first horizontal supporting rod 13-a rain shed main body second horizontal supporting rod 14-a rain shed main body third horizontal supporting rod 15-a rain shed main body inclined supporting rod 16-a steel platform steel beam 17-a standard knot
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention is described below by way of specific examples shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
The embodiment of the invention provides a construction lifter canopy. As shown in fig. 1,2 and 3, the construction hoist canopy is installed in the top area of the core tube where the construction hoist is located, and comprises a canopy body 1, a turning plate 2 and a detachable top cover 3; the lower part of the rain shed main body 1 is arranged on a steel platform steel beam 16, a rectangular hole is formed in the center of the horizontal plane at the top of the rain shed main body 1, and 2 turning plates 2 are symmetrically arranged at two ends of the rectangular hole; the detachable top cover 3 is of a cuboid structure with one side completely opened, the opening side of the detachable top cover 3 is equal to a rectangular hole formed in the horizontal plane of the top of the rain shed main body 1, the two rectangular holes of the rain shed main body 1 and the detachable top cover 3 are opposite, and the rain shed main body 1 and the detachable top cover 3 are fixedly connected together through a connecting piece.
The rain shed main body 1 comprises a rain shed main body upright post 11, a rain shed main body first horizontal supporting rod 12, a rain shed main body second horizontal supporting rod 13, a rain shed main body third horizontal supporting rod 14, a rain shed main body diagonal supporting rod 15, a pattern steel plate 7 and a punched steel plate net 8, wherein the rain shed main body first horizontal supporting rod 12, the rain shed main body second horizontal supporting rod 13 and the rain shed main body third horizontal supporting rod 14 are horizontally arranged.
The plurality of canopy main body upright posts 11 are equal in length, and the canopy main body upright posts 11 are placed in parallel in the vertical direction; a plurality of first horizontal support rods 12 of the rain shed body are vertically connected with the upright posts 11 of the rain shed body on the side elevation of the rain shed body 1, second horizontal support rods 13 of the rain shed body with equal length are arranged in parallel on the horizontal plane of the top of the rain shed body 1, the direction of the second horizontal support rods is vertical to the central connecting line of the two turning plates 2, and the second horizontal support rods 13 of the rain shed body are vertically connected with the first horizontal support rods 12 of the rain shed body in the horizontal plane of the top of the rain shed body 1; the canopy main body diagonal braces 15 are arranged in pairs to form a cross structure, and four ends of the cross structure are respectively arranged at the joint of the canopy main body upright post 11 and the canopy main body first horizontal support rod 12.
The third horizontal support rods 14 of the rain shed body are vertically connected with the second horizontal support rods 13 of the rain shed body, and 2 third horizontal support rods 14 of the rain shed body are arranged on two sides of a rectangular body formed by the plane rectangular holes at the top end of the rain shed body 1 and the turning plates 2.
The turning plate 2 is rotationally connected with the horizontal plane at the top end of the canopy main body 1, and the turning plate 2 corresponds to the top working platform of the construction lifter; in a normal state, the flap 2 is closed, and when the detachable top cover 3 is detached and installed, the flap 2 is opened.
The corner of the rectangular hole 4 on the horizontal plane at the top end of the canopy body 1 is respectively provided with 1 fixed upright rod 4.
The bottom of the detachable top cover 3 and the fixed vertical rods 4 are provided with bolt holes, the bolt holes are arranged on the outer sides of the fixed vertical rods 4, a base plate 5 is arranged on the outer sides of the fixed vertical rods 4, and the detachable top cover 3 is connected with the corresponding fixed vertical rods 4 through bolts 6.
The pattern steel plates 7 are arranged on the outer surface of the detachable top cover 3 and the horizontal plane position at the top end of the rain shed main body 1, and polygonal pattern patterns are uniformly distributed on the surfaces of the pattern steel plates 7; the punched steel plate net 8 is arranged on the side elevation of the canopy main body 1, and polygonal holes are uniformly distributed on the surface of the punched steel plate net 8.
Specifically, the invention also relates to a construction method for constructing the rain shed of the lifter, which comprises the following steps:
Step one, as shown in fig. 4, starting a construction hoist to the lower part of the construction hoist rain shed main body 1, and ensuring that the top end of the construction hoist and the top end of the construction hoist rain shed main body 1 can be operated by a standing adult, and an operator can climb on the top working platform of the construction hoist through the skylight of the construction hoist and a special ladder;
Second, as shown in fig. 5, opening the turning plates 2 at two sides of the detachable top cover 3 on the canopy of the construction hoist, properly adjusting the height of the construction hoist, and enabling an operator to extend out of the turning plates 2 to detach the detachable top cover 3;
Thirdly, as shown in fig. 6, fixing a steel wire rope 9 on the detachable top cover 3, lifting the detachable top cover 3 by a tower crane through a tower crane lifting hook 10, and transporting to a steel platform for storage; stopping using the construction hoist to stop it at level 1;
fourth, as shown in fig. 7, the steel platform climbs;
Step five, as shown in fig. 8, starting the construction lifter to the top of the guide rail frame after the steel platform is lifted, wherein the lifting height of the construction lifter is required to be not less than 200mm from the top of the guide rail frame, hanging the spliced standard section 17 from a rectangular hole in the horizontal plane center of the top of the rain shed main body of the construction lifter by using a tower crane, hanging the spliced standard section 17 to the position of 1 meter above the guide rail frame, slowly adjusting the position of the hung standard section 17 by using the tower crane, enabling the suspended standard section 17 to be jointed with the lower guide rail frame, installing the standard section in place, and screwing bolts;
And sixthly, as shown in fig. 9, starting the construction hoist to the lower part of the construction hoist canopy, hanging the detachable top cover 3 to the original position by using a tower crane, connecting the detachable top cover 3 with a plane fixed upright rod 4 at the top end of the construction hoist canopy main body 1 by an operator through a bolt 6, screwing the bolt 6, adjusting the height of the construction hoist, closing the turning plate 2, and completing the operation.
Through experiments, the construction lifter canopy and the construction method can solve the problem that the construction lifter sliding contact line is wet by rain and is easy to short circuit in rainy days; the workload can be reduced, and the operation time can be shortened; unnecessary ascending operation can be avoided, and potential safety hazards are reduced.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, but any modifications, equivalent substitutions, improvements, etc. within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (3)
1. A construction hoist canopy mounted in a top region of a steel platform for a super high-rise building core tube structure, characterized by comprising a canopy body (1), a flap (2) and a detachable top cover (3); the lower part of the rain shed main body (1) is arranged on a steel platform steel beam, a rectangular hole is formed in the center of a horizontal plane at the top of the rain shed main body (1), and 2 turning plates (2) are symmetrically arranged at two ends of the rectangular hole; the detachable top cover (3) is of a cuboid structure with one side completely opened, the opening side of the detachable top cover (3) is the same as the rectangular hole formed in the horizontal plane of the top of the rain shed main body (1), the two rectangular holes of the rain shed main body (1) and the detachable top cover (3) are corresponding to each other, and the rain shed main body (1) and the detachable top cover (3) are fixedly connected together through a connecting piece;
The rain shed main body (1) comprises a rain shed main body upright post (11), a rain shed main body first horizontal supporting rod (12), a rain shed main body second horizontal supporting rod (13), a rain shed main body third horizontal supporting rod (14), a rain shed main body inclined supporting rod (15), a pattern steel plate (7) and a punched steel plate net (8), wherein the rain shed main body first horizontal supporting rod (12), the rain shed main body second horizontal supporting rod (13) and the rain shed main body third horizontal supporting rod (14) are horizontally arranged;
The plurality of canopy main body upright posts (11) are equal in length, and the canopy main body upright posts (11) are arranged in parallel in the vertical direction; a plurality of first horizontal support rods (12) of the rain shed main body are vertically connected with the stand columns (11) of the rain shed main body on the side elevation of the rain shed main body (1), second horizontal support rods (13) of the rain shed main body with equal length are arranged in parallel on the horizontal plane of the top of the rain shed main body (1), the directions of the second horizontal support rods are vertical to the central connecting line of the two turning plates (2), and the second horizontal support rods (13) of the rain shed main body are vertically connected with the first horizontal support rods (12) of the rain shed main body in the horizontal plane of the top of the rain shed main body (1); the two inclined supporting rods (15) of the rain shed main body are arranged in pairs to form a cross structure, and four ends of the cross structure are respectively arranged at the joint of the stand column (11) of the rain shed main body and the first horizontal supporting rod (12) of the rain shed main body;
The third horizontal support rods (14) of the rain shed main body are vertically connected with the second horizontal support rods (13) of the rain shed main body, and 2 third horizontal support rods (14) of the rain shed main body are arranged on two sides of a rectangular body formed by a plane rectangular hole at the top end of the rain shed main body (1) and the turning plate (2);
The turning plate (2) is rotationally connected with the horizontal plane at the top end of the canopy main body (1), and the turning plate (2) corresponds to the top working platform of the construction lifter; in a normal state, the turning plate (2) is closed, and when the detachable top cover (3) is detached and installed, the turning plate (2) is opened;
The angle of the rectangular hole 4 on the horizontal plane at the top end of the rain shed main body (1) is respectively provided with 1 fixed upright rod (4), and a construction elevator guide rail frame can penetrate through the rectangular hole on the horizontal plane at the top end of the rain shed main body (1);
the detachable top cover (3) bottom with bolt hole is all opened to fixed pole setting (4) each fixed pole setting (4) outside open bolt hole department installation backing plate (5), detachable top cover (3) are connected with corresponding fixed pole setting (4) through bolt (6).
2. A construction hoist canopy according to claim 1, characterized in that the pattern steel plate (7) is arranged on the outer surface of the detachable top cover (3) and the top end horizontal plane position of the canopy main body (1), and the pattern steel plate (7) surface is uniformly distributed with pattern patterns; the punched steel plate net (8) is arranged on the side elevation of the canopy main body (1), and holes are uniformly distributed on the surface of the punched steel plate net (8).
3. A construction method for constructing a canopy for a hoist as claimed in any one of claims 1 to 2, characterized in that the method comprises the steps of:
The first step, a construction lifter is started to the lower part of the construction lifter rain shed main body (1), and the top end of the construction lifter rain shed main body (1) can be ensured to be operated by a person standing, and an operator can climb on the working platform at the top of the construction lifter through the skylight of the construction lifter and a special ladder;
secondly, opening turning plates (2) on two sides of a detachable top cover (3) on a canopy of the construction hoist, properly adjusting the height of the construction hoist, and enabling an operator to stretch out the body of the turning plates (2) to detach the detachable top cover (3);
Thirdly, lifting the detachable top cover (3) by using a tower crane, and transporting to a steel platform for storage; stopping using the construction hoist to stop it at level 1;
fourthly, climbing the steel platform;
step five, starting the construction lifter to the top of the guide rail frame after the steel platform is lifted, wherein the lifting height of the construction lifter is required to be ensured to be not less than 200mm from the top of the guide rail frame, hanging a spliced standard joint (17) from a rectangular hole in the center of the horizontal plane of the top of the rain shed main body (1) of the construction lifter by using a tower crane, hanging the spliced standard joint to the 1m position at the upper end of the guide rail frame, slowly adjusting the position of the hung standard joint (17) by using the tower crane, enabling the suspended standard joint to be jointed with the lower guide rail frame, installing the standard joint in place, and screwing bolts;
And sixthly, starting the construction hoist to the lower part of the construction hoist canopy, hanging the detachable top cover (3) to the original position by using a tower crane, connecting the detachable top cover (3) with a plane fixed vertical rod (4) at the top end of the construction hoist canopy main body (1) by an operator through a bolt (6), screwing down the bolt (6), adjusting the height of the construction hoist, closing the turning plate (2), and completing the operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111573264.2A CN114278108B (en) | 2021-12-21 | 2021-12-21 | Construction lifter canopy and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111573264.2A CN114278108B (en) | 2021-12-21 | 2021-12-21 | Construction lifter canopy and construction method |
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| Publication Number | Publication Date |
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| CN114278108A CN114278108A (en) | 2022-04-05 |
| CN114278108B true CN114278108B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105746235A (en) * | 2016-03-05 | 2016-07-13 | 吴炳龙 | Sunlight greenhouse adaptive to climates of south of China |
| CN205681723U (en) * | 2016-06-22 | 2016-11-09 | 上海千帆科技股份有限公司 | A kind of embedded flat industrial computer rack |
| CN111778859A (en) * | 2020-07-03 | 2020-10-16 | 赵振宏 | Bridge high mound watering health preserving device |
| CN112707280A (en) * | 2020-12-22 | 2021-04-27 | 住友富士电梯有限公司 | Elevator convenient to maintain and overhaul |
| CN113247838A (en) * | 2021-05-24 | 2021-08-13 | 苏州贝曼重工有限公司 | Lift for high altitude building construction convenient to equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10225995B2 (en) * | 2014-02-09 | 2019-03-12 | David Wallace | Canopy hoist |
-
2021
- 2021-12-21 CN CN202111573264.2A patent/CN114278108B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105746235A (en) * | 2016-03-05 | 2016-07-13 | 吴炳龙 | Sunlight greenhouse adaptive to climates of south of China |
| CN205681723U (en) * | 2016-06-22 | 2016-11-09 | 上海千帆科技股份有限公司 | A kind of embedded flat industrial computer rack |
| CN111778859A (en) * | 2020-07-03 | 2020-10-16 | 赵振宏 | Bridge high mound watering health preserving device |
| CN112707280A (en) * | 2020-12-22 | 2021-04-27 | 住友富士电梯有限公司 | Elevator convenient to maintain and overhaul |
| CN113247838A (en) * | 2021-05-24 | 2021-08-13 | 苏州贝曼重工有限公司 | Lift for high altitude building construction convenient to equipment |
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| CN114278108A (en) | 2022-04-05 |
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