CN216195454U - Stride foundation ditch movable protection canopy - Google Patents
Stride foundation ditch movable protection canopy Download PDFInfo
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- CN216195454U CN216195454U CN202121662631.1U CN202121662631U CN216195454U CN 216195454 U CN216195454 U CN 216195454U CN 202121662631 U CN202121662631 U CN 202121662631U CN 216195454 U CN216195454 U CN 216195454U
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Abstract
The utility model relates to the technical field of foundation pit protection, and discloses a movable protection shed spanning a foundation pit, which comprises an arched protection shed main body and waterproof cloth, wherein the protection shed main body comprises a plurality of parallel mounting supports arranged at intervals, each mounting support comprises two parallel stand columns and a truss used for connecting the end parts of the two stand columns, the adjacent mounting supports are connected through a telescopic mechanism used for adjusting the interval between the adjacent mounting supports, the end parts of the stand columns, far away from the truss, are provided with pulley covers, and pulleys are arranged in the pulley covers.
Description
Technical Field
The utility model relates to the technical field of foundation pit protection, in particular to a movable protection shed spanning a foundation pit.
Background
The protective shed is mainly applied to construction sites, along with the daily shortage of urban space, the development and utilization of underground space become more and more important, and particularly the development types of deep foundation pit engineering are more and more. However, in the process of excavation of the deep foundation pit and construction of the structure in the foundation pit, the construction conditions are greatly influenced by the weather environment, and the construction in the foundation pit in rainy and snowy weather cannot be normally carried out, so that the construction period is greatly influenced.
In the prior art, because the span range of the foundation pit is large, the protection shed cannot move after being erected, and the construction process is slow.
SUMMERY OF THE UTILITY MODEL
Aiming at the defect that the movable protective shed cannot move after the protection erection is finished in the prior art, the utility model provides a movable protective shed spanning a foundation pit. It can realize that the protection canopy main part sets up the function that can remove at any time after accomplishing.
In order to solve the above technical problems, the present invention is solved by the following technical solutions.
The utility model provides a stride foundation ditch movable protection canopy, its is including being arched protection canopy main part and waterproof cloth, and the protection canopy main part includes a plurality of parallels and the installing support of interval placement, and the installing support includes two parallel arrangement's stand and is used for connecting the truss of two stand tip, and adjacent installing support is connected through a telescopic machanism that is used for adjusting interval between the adjacent installing support, and the tip that the truss was kept away from to the stand is equipped with the pulley cover, is equipped with the pulley in the pulley cover.
Through the structure of the utility model, the adjacent mounting brackets are connected through the telescopic mechanism in sequence, so that the distance between the adjacent mounting brackets can be adjusted, the distance between the protective shed main bodies can be driven to be adjusted, and the arrangement of the pulleys enables the protective shed main bodies to move along the arranged track in the distance adjusting process, thereby being better convenient for the use of the protective shed main bodies when spanning the foundation pit.
As preferred, telescopic machanism is including setting up two mounting panel subassemblies on adjacent installing support respectively and being used for connecting the connecting rod subassembly of two mounting panel subassemblies, the mounting panel subassembly includes two mounting panels that fixed connection is upper and lower distribution on the stand, the connecting rod subassembly includes the mutual articulated two connecting rods in middle part, the tip of connecting rod is articulated with the mounting panel that corresponds respectively, be equipped with the sliding tray that a length direction set up along the stand axial on the mounting panel, be equipped with a sliding block in the sliding tray, one side that the sliding tray was stretched out to the sliding block is equipped with articulated seat, the tip of connecting rod articulates on articulated seat.
According to the utility model, through the arrangement of the connecting rod and the hinge seat, when the stand column is pulled, the end parts of the connecting rod are driven to mutually approach or separate, so that the hinge seat drives the sliding block to slide in the sliding groove, and when the sliding blocks on adjacent telescopic mechanisms on the same stand column approach to each other, the distance between the main bodies of the protection shed is gradually stretched to the longest state; when the sliding blocks on the adjacent telescopic mechanisms on the same upright post are far away from each other, the distance between the main bodies of the protection shed is gradually tightened to the shortest state; wherein, through articulated mode, avoided the frictional force between connecting rod and the stand, the interval of the adjacent installing support of realization of preferred is adjusted to make things convenient for the removal of protection canopy main part.
As preferred, all be equipped with telescopic machanism between the adjacent installing support and distribute on the front and back stand of installing support, the improvement of preferred stability when the spacing of regulation between the installing support.
Preferably, a limit pin is arranged in the sliding groove along the length direction of the sliding groove in the axial direction, two ends of the limit pin extend out of the sliding groove, baffle plates are arranged at the extending end parts of the limit pin, the sliding block is connected on the limit pin in a sliding way,
according to the utility model, through the arrangement of the limiting pin and the baffle, the limiting pin is better fixed in the sliding groove, so that the stability of the sliding block in the sliding groove is better realized.
Preferably, the mounting bracket further comprises a cross beam perpendicular to the end part of the stand column, the cross beam is provided with an arc-shaped plate, two ends of the arc-shaped plate are connected to the cross beam, the concave surface of the arc-shaped plate faces the cross beam, and a plurality of supporting plates used for connecting the arc-shaped plate are arranged between the arc-shaped plate and the cross beam; crossbeam, arc and backup pad form the truss jointly, and waterproof and rainproof cloth installs on the truss for when sleet weather takes place, work that the protection canopy main part can be normal, the improvement of preferred efficiency of construction.
Preferably, the cross beam is sleeved with a pair of sliding seats which are arranged left and right along the length direction of the cross beam, sliding shafts perpendicular to the cross beam are arranged on the side faces of the sliding seats, a connecting plate with the middle part hinged to each other is arranged between the cross beams on the adjacent mounting supports, and the end parts of the connecting plates are hinged to the corresponding sliding shafts.
According to the utility model, through the arrangement of the sliding shaft and the connecting plate, when the upright post is pulled, the end parts of the connecting plate are driven to mutually approach or separate, so that the sliding shaft drives the sliding seats to slide on the cross beam, when the sliding seats on the same cross beam approach each other, the distance between the main bodies of the protection shed is gradually stretched to the longest state, and when the sliding seats on the same cross beam separate from each other, the distance between the main bodies of the protection shed is gradually tightened to the shortest state.
Preferably, one side of the mounting plate is provided with a mounting seat perpendicular to the mounting plate, the mounting seat comprises two long plates arranged in parallel, and two rotating shafts are connected between the two long plates along the length direction of the sliding groove; be located and be equipped with the first holder that is used for fixed mounting panel on the installing support of protection canopy main part tip, first holder includes two first grip blocks, and bolted connection is passed through to two first grip block one ends, and the other end constructs jointly to be used for with the articulated first clamping part of rotating shaft, all is equipped with half-arc groove and two half-arc grooves on the relative side of two first grip blocks and forms the draw-in groove that is used for the joint stand jointly.
Through the structure of the utility model, the mounting plate can be connected to the upright post through the clamping groove formed by the first clamping piece, and the adjustment of the distance between the adjacent mounting brackets is better realized.
Preferably, a second clamping piece for fixing the mounting plate is arranged on the mounting bracket positioned in the middle of the protective shed main body, the second clamping piece comprises two second clamping blocks which are mutually connected through bolts, semi-arc grooves are formed in the opposite side surfaces of the two second clamping blocks, and the two semi-arc grooves jointly form a clamping groove for clamping the upright post; the other side surface of the second clamping block opposite to the semi-arc groove is provided with a second clamping part hinged on the rotating shaft.
Through the structure of the utility model, the clamping groove formed by the second clamping piece can connect the two mounting plates to the upright post, and the adjustment of the distance between the adjacent mounting brackets is better realized.
As preferred, still include the installation cavity on the mounting panel, be equipped with the screw thread post that rotatable and one end stretch out the mounting panel in the installation cavity, screw thread post axial direction and spacer pin axial direction are parallel, and the one end that the screw thread post stretches out the mounting panel is equipped with the runner, and the mount pad sets up in the installation cavity, and mount pad threaded connection just can be sharp reciprocating motion on the screw thread post.
According to the utility model, the mounting seat can be fixed on the stand column, so that the mounting plate can be connected to the stand column, the mounting seat is driven by rotating the threaded column to slide in the mounting cavity, the mounting plate can move up and down along the length direction of the sliding groove, the mounting plates on adjacent mounting supports can be located at the same height, and the stability of the protective shed main body in adjusting the distance is improved better.
Drawings
Fig. 1 is a schematic view of a movable type across a foundation pit in embodiment 1;
FIG. 2 is a schematic view of a mounting bracket in embodiment 1;
FIG. 3 is a schematic view of portion A of FIG. 1;
FIG. 4 is a schematic view of portion B of FIG. 1;
FIG. 5 is a schematic view of a portion of FIG. 2;
fig. 6 is a schematic view of a mounting plate in embodiment 1;
fig. 7 is a schematic view of a first clamping member in embodiment 1;
FIG. 8 is a schematic view of a second clamping in embodiment 1;
fig. 9 is a schematic view of a mounting plate in embodiment 2;
fig. 10 is a schematic view of another view of the mounting board in embodiment 2;
fig. 11 is a schematic sectional view of a mounting board in embodiment 2.
The names of the parts indicated by the numerical references in the drawings are as follows:
110. a column; 120. an arc-shaped plate; 130. a connecting rod; 140. a connecting plate; 150. a pulley cover; 160. a pulley; 210. a cross beam; 220. a support plate; 230. a sliding seat; 231. a sliding shaft; 310. mounting a plate; 311. A sliding groove; 320. a spacing pin; 330. a slider; 340. a hinged seat; 350. a long plate; 360. a first clamping block; 410. a second clamping block; 610. a rotating shaft; 710. a first clamping portion; 810. a second clamping portion; 910. a mounting cavity; 920. a threaded post.
Detailed Description
For a further understanding of the utility model, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the utility model and not limiting.
Example 1
As shown in fig. 1, the present embodiment provides a movable shelter spanning a foundation pit, which includes an arched shelter main body and a waterproof cloth, the shelter main body includes a plurality of parallel and spaced mounting brackets, the mounting brackets include two parallel upright posts 110 and a truss for connecting the ends of the two upright posts 110, the adjacent mounting brackets are connected through a telescopic mechanism for adjusting the distance between the adjacent mounting brackets, the end of the upright post 110 far away from the truss is provided with a pulley cover 150, and a pulley 160 is arranged in the pulley cover 150.
By the structure in the embodiment, the adjacent mounting brackets are connected through the telescopic mechanism in sequence, so that the distance between the adjacent mounting brackets can be adjusted, and the protection shed main body can be driven to stretch; through the arrangement of the pulleys 160 in the embodiment, the protection shed main body can move along the arranged track in the process of adjusting the distance, and the protection shed main body is better convenient to use when a foundation pit is spanned; compare in prior art, in this embodiment, protection canopy main part is portable to be set up for construction worker is in the use, according to actual construction conditions, freely removes protection canopy main part, thereby the improvement of preferred efficiency of construction.
Referring to fig. 2, in this embodiment, the mounting bracket further includes a cross beam 210 perpendicular to the end of the upright 110, the cross beam 210 is provided with an arc plate 120 having two ends connected to the cross beam 210, the concave surface of the arc plate 120 faces the cross beam 210, and a plurality of support plates 220 for connecting the arc plate 120 are provided between the arc plate 120 and the cross beam 210; crossbeam 210, arc 120 and backup pad 220 form the truss jointly, the installation of the realization waterproof cloth of preferred for when sleet weather takes place, work that the protection canopy main part can be normal, the improvement of preferred efficiency of construction.
Referring to fig. 3, in this embodiment, a telescopic mechanism is disposed between adjacent mounting brackets and on the front and rear vertical pillars 110 of the mounting brackets, the telescopic mechanism includes two mounting plate assemblies respectively disposed on the adjacent mounting brackets and a connecting rod assembly for connecting the two mounting plate assemblies, the mounting plate assembly includes two mounting plates 310 fixedly connected to the vertical pillars 110 and vertically disposed, the connecting rod assembly includes two connecting rods 130 whose middle portions are hinged to each other, end portions of the connecting rods 130 are respectively hinged to the corresponding mounting plates 310, the mounting plates 310 are provided with a sliding groove 311 axially disposed along the vertical pillars 110 in a length direction, a sliding block 330 is disposed in the sliding groove 311, one side of the sliding block 330 extending out of the sliding groove 311 is provided with a hinge seat 340, and end portions of the connecting rods 130 are hinged to the hinge seats 340; the sliding groove 311 is internally provided with a limit pin 320 which is axially arranged along the length direction of the sliding groove 311, two ends of the limit pin 320 all extend out of the sliding groove 311, the extending end parts are all provided with a baffle plate, and the sliding block 330 is connected to the limit pin 320 in a sliding manner.
With the structure in this embodiment, the limit pin 320 always limits the sliding block 330, so that the sliding block 330 can stably slide in the sliding groove 311; in this embodiment, through the arrangement of the connecting rod 130 and the hinge seat 340, when the upright column 110 is pulled, the end portions of the connecting rod 130 are driven to approach or separate from each other, so that the hinge seat 340 drives the sliding block 330 to slide in the sliding groove 311, and when the sliding blocks 330 on the adjacent telescopic mechanisms on the same upright column 110 approach each other, the protection canopy body is gradually stretched to the longest state; when the sliding blocks 330 on the adjacent telescopic mechanisms on the same column 110 are far away from each other, the protection shed main body is gradually tightened to the shortest state at the moment; the friction between the connecting rod 130 and the upright post 110 is avoided in a hinged mode, and the distance between the adjacent mounting brackets can be preferably adjusted, so that the protection shed main body can be conveniently moved; the stop plate is disposed so that the stopper pin 320 is preferably fixed in the sliding groove 311.
In this embodiment, a pair of sliding seats 230 arranged left and right along the length direction of the beam is sleeved on the beam 210, sliding shafts 231 perpendicular to the beam 210 are arranged on the side surfaces of the sliding seats 230, connecting plates 140 with the middle parts hinged to each other are arranged between the beams 210 on adjacent mounting brackets, and the end parts of the connecting plates 140 are hinged to the corresponding sliding shafts 231;
by the structure in the embodiment, the cross beam 210 always limits the sliding seat 230, so that the sliding seat 230 can stably slide on the cross beam 210; in this embodiment, through the arrangement of the sliding shaft 231 and the connecting plate 140, when the upright column 110 is pulled, the end portions of the connecting plate 140 are driven to approach or separate from each other, so that the sliding shaft 231 drives the sliding seats 230 to slide on the cross beam 210, when the sliding seats 230 on the same cross beam 210 approach each other, the distance between the mounting brackets is gradually increased, the protection shed main body is in an extended state, and when the sliding seats 230 on the same cross beam 210 separate from each other, the distance between the mounting brackets is gradually decreased, and the protection shed main body is in a shortened state;
when the upright post 110 is pulled, the connecting rod 130 and the connecting plate 140 are in a linkage state, so that the distance between the mounting brackets can be adjusted, the telescopic performance of the protection shed main body is improved, and the stability of the protection shed main body is also ensured.
As shown in fig. 3 to 7, in the present embodiment, a mounting seat perpendicular to the mounting plate 310 is disposed on one side of the mounting plate 310, the mounting seat includes two long plates 350 disposed in parallel, and two rotating shafts 610 are disposed between the two long plates 350 along the length direction of the sliding groove 311; be located and be equipped with the first holder that is used for fixed mounting panel 310 on the installing support of protection canopy main part tip, first holder includes two first grip blocks 360, and bolted connection is passed through to 360 one ends of two first grip blocks, and the other end constructs jointly to be used for with axis of rotation 610 articulated first clamping part 710, all is equipped with half-arc groove and two half-arc grooves on the relative side of two first grip blocks 360 and forms the draw-in groove that is used for joint stand 110 jointly.
Through the structure in the embodiment, the mounting plate 310 can be fixedly connected to the upright 110 through the clamping groove formed by the first clamping piece; in this embodiment, the first clamping portion 710 rotates on the rotating shaft 610 through the arrangement of the first clamping blocks 360 and the rotating shaft 510, so that the two first clamping blocks 360 can be better clamped on the upright post 110, and the mounting plate 310 is better connected to the upright post 110; the mounting plate 310 can be firmly fixed to the upright 110 by means of bolt fastening, so as to better ensure the stability of the protection shed main body.
In this embodiment, a second clamping piece for fixing the mounting plate 310 is arranged on the mounting bracket located in the middle of the protection shed main body, the second clamping piece includes two second clamping blocks 410 connected with each other through bolts, the opposite side surfaces of the two second clamping blocks 410 are both provided with semi-arc grooves, and the two semi-arc grooves together form a clamping groove for clamping the upright 110; the other side surface of the second clamping block 410 opposite to the semi-arc groove is provided with a second clamping part 810 hinged on the rotating shaft 610.
Through the structure in the embodiment, the two mounting plates 310 can be relatively and fixedly connected to the same upright 110 by the clamping groove formed by the second clamping block 410; in this embodiment, through the setting of second grip block 410 and axis of rotation 510 for second clamping part 810 rotates on axis of rotation 510, and then makes the second grip block 410 that corresponds on the second holder can pass through bolt fixed connection, makes two mounting panels 310 can firmly connect on same root stand 110, thereby two mounting panels 310 can be located same position department on stand 110, the flexible function of the realization protection canopy main part of preferred.
This embodiment 1 stride foundation ditch movable protection canopy when specifically using, construction worker in the use, the installing support of pulling protection canopy main part tip drives the mutual spacing of regulation of installing support that corresponds for the protection canopy main part can stretch out and draw back and can slide on the track that has set up, the free removal of the realization protection canopy main part of preferred.
Example 2
Referring to fig. 8 to 10, in this embodiment 2 described in embodiment 1, the mounting plate 310 further includes a mounting cavity 910, a threaded post 920 that is rotatable and has one end extending out of the mounting plate 310 is disposed in the mounting cavity 910, an axial direction of the threaded post 910 is parallel to an axial direction of the limit pin 320, a rotating wheel is disposed at one end of the threaded post 920 extending out of the mounting plate 310, the mounting seat is disposed in the mounting cavity 910, and the mounting seat is in threaded connection with the threaded post 920 and can perform linear reciprocating motion on the threaded post 920.
Through the structure in this embodiment, the mount pad is connected on stand 110 for mounting panel 310 can be connected on stand 110, and then make the runner that rotates drive screw post 920 at the internal rotation of installation cavity 910, thereby drive the mount pad and slide in installation cavity 910, make mounting panel 310 can reciprocate along the length direction of installation cavity 910, and then make mounting panel 310 on the adjacent installing support can be in same height, stability when the improvement of preferred protection canopy main part is flexible.
Further, when this embodiment 2 specifically uses, rotate the runner and drive screw post 920 at the internal rotation of installation cavity 910, and then drive mounting panel 310 and can reciprocate along the axial of stand 110 to make mounting panel 310 on the adjacent installing support can be at same height, and is more stable when the free removal of the realization protection canopy main part of preferred.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a stride foundation ditch movable protection canopy, is including being arched protection canopy main part and waterproof cloth, its characterized in that: the protective shed main body comprises a plurality of parallel mounting supports arranged at intervals, each mounting support comprises two parallel upright posts (110) and a truss used for connecting the end parts of the two upright posts (110), the adjacent mounting supports are connected through a telescopic mechanism used for adjusting the distance between the adjacent mounting supports, the end part, far away from the truss, of each upright post (110) is provided with a pulley cover (150), and a pulley (160) is arranged in each pulley cover (150).
2. The movable protective shed spanning the foundation pit according to claim 1, characterized in that: telescopic machanism is including setting up two mounting panel subassemblies on adjacent installing support respectively and being used for connecting the connecting rod subassembly of two mounting panel subassemblies, the mounting panel subassembly includes two mounting panels (310) that fixed connection is upper and lower distribution on stand (110), the connecting rod subassembly includes two connecting rods (130) of middle part mutual articulated, the tip of connecting rod (130) is articulated with corresponding mounting panel (310) respectively, be equipped with sliding tray (311) that a length direction set up along stand (110) axial on mounting panel (310), be equipped with a sliding block (330) in sliding tray (311), one side that sliding tray (311) were stretched out in sliding block (330) is equipped with articulated seat (340), the tip of connecting rod (130) articulates on articulated seat (340).
3. The movable protective shed spanning the foundation pit according to claim 2, characterized in that: and telescopic mechanisms are arranged between the adjacent mounting brackets and distributed on the front and rear upright posts (110) of the mounting brackets.
4. The movable protective shed spanning the foundation pit according to claim 2, characterized in that: be equipped with axially along slide groove (311) length direction setting's spacer pin (320) in slide groove (311), the tip that the both ends of spacer pin (320) all stretched out slide groove (311) and stretched out all is equipped with the baffle, and sliding block (330) sliding connection is on spacer pin (320).
5. The movable protective shed spanning the foundation pit according to claim 1, characterized in that: the mounting bracket also comprises a cross beam (210) perpendicular to the end part of the upright post (110), the cross beam (210) is provided with an arc-shaped plate (120) with two ends connected to the cross beam (210), the concave surface of the arc-shaped plate (120) faces the cross beam (210), and a plurality of supporting plates (220) used for connecting the arc-shaped plate (120) are arranged between the arc-shaped plate (120) and the cross beam (210); the cross beam (210), the arc-shaped plates (120) and the support plates (220) together form a truss.
6. The movable protective shed spanning foundation pits according to claim 5, characterized in that: the cross beam (210) is sleeved with a pair of sliding seats (230) which are arranged left and right along the length direction of the cross beam, the side surface of each sliding seat (230) is provided with a sliding shaft (231) which is perpendicular to the cross beam (210), a connecting plate (140) with the middle part hinged to each other is arranged between the cross beams (210) on the adjacent mounting supports, and the end parts of the connecting plates (140) are hinged to the corresponding sliding shafts (231).
7. The movable protective shed spanning the foundation pit according to claim 2, characterized in that: one side of the mounting plate (310) is provided with a mounting seat perpendicular to the mounting plate (310), the mounting seat comprises two long plates (350) which are arranged in parallel, and two rotating shafts (610) are connected and arranged between the two long plates (350) along the length direction of the sliding groove (311); be located to be equipped with the first holder that is used for fixed mounting panel (310) on the installing support of protection canopy main part tip, first holder includes two first grip blocks (360), bolted connection is passed through to two first grip blocks (360) one end, the other end constructs jointly to be used for with axis of rotation (610) articulated first clamping part (710), all be equipped with the semicircular arc groove on two first grip blocks (360) relative sides and two semicircular arc grooves form the draw-in groove that is used for joint stand (110) jointly.
8. The movable protective shed spanning the foundation pit according to claim 7, characterized in that: a second clamping piece for fixing the mounting plate (310) is arranged on the mounting bracket positioned in the middle of the protective shed main body, the second clamping piece comprises two second clamping blocks (410) which are mutually connected through bolts, semi-arc grooves are formed in the opposite side surfaces of the two second clamping blocks (410), and the two semi-arc grooves jointly form a clamping groove for clamping the upright column (110); the other side surface of the second clamping block (410) opposite to the semi-arc groove is provided with a second clamping part (810) hinged on the rotating shaft (610).
9. A protection canopy movable across a foundation pit according to claim 7 or 8, wherein: still include installation cavity (910) on mounting panel (310), be equipped with rotatable and one end in installation cavity (910) and stretch out screw thread post (920) of mounting panel (310), screw thread post (920) axis direction and spacer pin (320) axial direction parallel, the one end that screw thread post (920) stretches out mounting panel (310) is equipped with the runner, the mount pad sets up in installation cavity (910), mount pad threaded connection just can be straight reciprocating motion on screw thread post (920).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121662631.1U CN216195454U (en) | 2021-07-21 | 2021-07-21 | Stride foundation ditch movable protection canopy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121662631.1U CN216195454U (en) | 2021-07-21 | 2021-07-21 | Stride foundation ditch movable protection canopy |
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| Publication Number | Publication Date |
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| CN216195454U true CN216195454U (en) | 2022-04-05 |
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| CN202121662631.1U Active CN216195454U (en) | 2021-07-21 | 2021-07-21 | Stride foundation ditch movable protection canopy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718960A (en) * | 2021-07-21 | 2021-11-30 | 中铁十局集团第三建设有限公司 | Stride foundation ditch movable protection canopy |
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2021
- 2021-07-21 CN CN202121662631.1U patent/CN216195454U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718960A (en) * | 2021-07-21 | 2021-11-30 | 中铁十局集团第三建设有限公司 | Stride foundation ditch movable protection canopy |
| CN113718960B (en) * | 2021-07-21 | 2023-03-14 | 中铁十局集团第三建设有限公司 | Stride foundation ditch movable protection canopy |
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