CN219930737U - Portable bridge deck assembling jig frame capable of being disassembled and recycled - Google Patents
Portable bridge deck assembling jig frame capable of being disassembled and recycled Download PDFInfo
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- CN219930737U CN219930737U CN202321709760.0U CN202321709760U CN219930737U CN 219930737 U CN219930737 U CN 219930737U CN 202321709760 U CN202321709760 U CN 202321709760U CN 219930737 U CN219930737 U CN 219930737U
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- 230000000712 assembly Effects 0.000 claims description 14
- 238000000429 assembly Methods 0.000 claims description 14
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 238000004064 recycling Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 36
- 239000010959 steel Substances 0.000 description 36
- 238000010276 construction Methods 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a portable detachable and recyclable bridge deck splicing jig which comprises a bottom plate and a supporting system arranged on the bottom plate, wherein the supporting system comprises four supporting columns and two cushion beams, and the four supporting columns are in a rectangular array and are detachably connected to the bottom plate; two bolster parallel arrangement, wherein both ends of one bolster are detachably connected to the tops of two support columns respectively, and both ends of the other bolster are detachably connected to the tops of the other two support columns respectively; the outer side wall of every support column is provided with a plurality of otic placodes along the direction of height interval in circumference, is provided with X type diagonal draw bar system between two adjacent support columns, and X type diagonal draw bar system includes two pull rods, and the intermediate position of two pull rods articulates, and the both ends of every pull rod can be dismantled with arbitrary otic placode on the support column that corresponds respectively and be connected. The utility model solves the problems of complex use process, small application range and incapability of recycling of the traditional assembly jig frame.
Description
Technical Field
The utility model belongs to the field of building construction, and particularly relates to a portable detachable and recyclable bridge deck assembling jig frame.
Background
The country has achieved great achievements in bridge construction, and has developed hard for up to 54 years, so that the country with the first total length of bridge construction is formed, and more large and extra-large steel truss bridges are applied. But large and extra-large steel truss bridges generally have the characteristics of large structural span, high section height and large size of single member. Therefore, the assembly progress, the assembly quality and the assembly safety of the controlled bridge deck components are important control points in the engineering construction of the whole steel truss bridge.
A traditional steel truss bridge deck slab assembling jig frame is formed by welding a circular pipe column on an assembling field steel plate, using angle steel for cross fixation, and placing a small steel plate on the original pipe column to adjust the elevation up and down. The assembled jig frame has simple modeling and convenient manufacture, but has the following problems:
1. the traditional assembly jig frame is suitable for assembling the bridge deck plate of the steel truss girder bridge with simple structure. For splicing of bridge decks with complex space structures such as large-scale and extra-large-scale steel truss bridges, the splicing is difficult to be carried out independently, other auxiliary measures are required to be added, the splicing can be completed, the working procedures are numerous, and the construction time is long.
2. The traditional assembly jig frame is suitable for assembling the bridge deck of the small-sized steel truss bridge with smaller section size. For splicing of bridge decks with larger cross section sizes of large and extra-large steel truss bridges, the problems of large structural positioning error, large splicing difficulty and difficult splicing precision control exist.
3. The traditional assembly jig frame is mostly a disposable jig frame, and is designed and manufactured only aiming at specific single-piece steel structure blocks, so that the special blocks are difficult to recycle after being assembled, the cost is increased, and the huge waste of resources is caused.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a portable detachable and recyclable bridge deck splicing jig frame, which aims at splicing large-scale and extra-large steel truss bridge blocks with complex space structure, large section size and changeable single block data, and solves the problems of complex use process, small application range and incapability of recycling of the traditional splicing jig frame.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the portable detachable and recyclable bridge deck assembling jig comprises a bottom plate and a supporting system arranged on the bottom plate, wherein the supporting system comprises four supporting columns and two cushion beams, and the four supporting columns are in a rectangular array and are detachably connected to the bottom plate; two bolster parallel arrangement, wherein both ends of one bolster are detachably connected to the tops of two support columns respectively, and both ends of the other bolster are detachably connected to the tops of the other two support columns respectively; every lateral wall circumference of support column is upwards provided with a plurality of otic placodes along the direction of height interval, and two adjacent be provided with X type diagonal draw bar system between the support column, X type diagonal draw bar system includes two pull rods, two the intermediate position of pull rod articulates, every the both ends of pull rod can be respectively with arbitrary otic placode detachable connection on the support column that corresponds.
Further, the upper end face of each pad beam is provided with a height adjusting unit, the height adjusting unit is located right above the supporting column, and the height adjusting unit is formed by stacking a plurality of layers of pad plates.
Further, limiting blocks are arranged on two sides of each height adjusting unit, and the limiting blocks are detachably arranged on the upper end faces of the corresponding cushion beams.
Further, the stopper is L type stopper, has seted up the bolt hole on the diaphragm of L type stopper, the up end interval of floorpan is equipped with a plurality of bolt holes, wear to be equipped with the bolt nut subassembly in the bolt hole on the floorpan and the bolt hole on the L type stopper, be connected floorpan and L type stopper through the bolt nut subassembly.
Further, bolt holes are formed in positions, close to two ends, of each pull rod and each lug plate, bolt and nut assemblies penetrate through the bolt holes in the pull rods and the bolt holes in the lug plates, and the pull rods are connected with the lug plates through the bolt and nut assemblies.
Further, the bottom of every the support column fixedly connected with lower connecting plate, set up the bolt hole on the lower connecting plate, wear to be equipped with the bolt and nut subassembly in the bolt hole, with lower connecting plate with the bottom plate is connected through the bolt and nut subassembly.
Further, each top fixedly connected with upper connection board of support column, set up the bolt hole on the upper connection board, every a plurality of bolt holes have also been seted up to the both sides bottom of floorplan, wear to be equipped with bolt and nut subassembly in the bolt hole on the upper connection board and the bolt hole of floorplan both sides bottom, be connected upper connection board and floorplan through bolt and nut subassembly.
Further, the outer side wall of each support column is circumferentially provided with a plurality of lug plates at intervals of 90 degrees in each interval in the height direction.
Compared with the prior art, the utility model has at least the following beneficial effects:
according to the portable detachable cyclic utilization bridge deck splicing jig, the positions of the four support columns on the bottom plate are adjusted according to the size of the bridge deck to be spliced, after the adjustment is finished, the four support columns are fixed with the bottom plate, meanwhile, the two pull rods of the X-shaped diagonal pull rod system are adjusted to be connected with corresponding lug plates, the structure of the four support columns is reinforced, after the bolster is installed on the top of the corresponding support column, the bridge deck is placed on the bolster to splice the bridge deck of the steel truss bridge, the support columns are used for component positioning assistance, the basic component positioning time is shortened, and the bridge deck splicing difficulty is reduced. For the assembly of bridge decks with complex space structures such as large and extra-large steel truss bridges, if the space needs to be enlarged, the relative positions of four support columns can be changed, and the X-shaped inclined pull rod system is connected with other lug plates on the support columns, so that the adjustment and the change can be conveniently and quickly realized; when the bridge deck plate space size is great, can add multiunit support system, utilize X type inclined pull rod system to connect between each group support system, need not to increase other auxiliary measure and can accomplish and assemble, the process is simple and convenient, has improved the efficiency of construction. The support column is detachably connected with the ground paving bottom plate, the cushion beam and the X-shaped diagonal draw bar system, can be used selectively according to specific situations on site, is convenient to install and detach and can be recycled.
Further, the elevation adjustment can be completed by only adjusting the height of the height adjusting units on the backing beams, namely adjusting the number of the backing plates, facing the bridge deck blocks of the steel truss bridge with different section heights, and the operation is simple.
In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic three-dimensional view of a portable detachable recycled bridge deck splice jig;
FIG. 2 is an elevation view of a portable removable recycling deck slab assembly jig of the present utility model;
FIG. 3 is a schematic diagram of a support column of a portable detachable recycled bridge deck splice jig;
FIG. 4 is a schematic view of an X-shaped diagonal draw bar system of a portable detachable and recyclable bridge deck assembly jig;
FIG. 5 is a schematic diagram showing the connection of a bolster, a height adjusting unit and a limiting block of a portable detachable and recyclable bridge deck assembly jig.
In the figure: 1-a bottom plate; 2-supporting columns; 20-a lower connecting plate; 21-an upper connecting plate; 3-backing beams; 4-ear plates; 5-X-type diagonal tension bar system; 50-pull rod; 6-a height adjustment unit; 7-limiting blocks.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the portable detachable and recyclable bridge deck splicing jig comprises a base plate 1 and a supporting system arranged on the base plate 1, wherein the supporting system comprises four supporting columns 2 and two cushion beams 3, the four supporting columns 2 are in rectangular arrays and are detachably connected to the base plate 1, the supporting columns 2 are exemplified as cylindrical steel, and the base plate 1 is a steel plate. Two bolster 3 are arranged in parallel, wherein two ends of one bolster 3 are respectively detachably connected to the tops of two support columns 2, and two ends of the other bolster 3 are respectively detachably connected to the tops of the other two support columns 2; that is, one bolster 3 detachably sets up the tops of two support columns 2 fixed on one side, and the other bolster 3 detachably sets up the tops of two support columns 2 fixed on the other side, and the bolster 3 is used for placing the bridge deck.
As shown in fig. 2, 3 and 4, a plurality of ear plates 4 are provided at intervals in the height direction on the outer side wall of each support column 2 in the circumferential direction, specifically, a plurality of ear plates 4 are fixedly provided at intervals in the height direction on the outer side wall of each support column 2, that is, a row of ear plates 4 are provided at intervals in the same vertical direction, and a plurality of rows of ear plates 4 are provided at intervals on the outer side wall of each support column 2. Preferably, a row of ear plates 4 are arranged at intervals of 90 ° in the circumferential direction on the outer side wall of each support column 2, and the ear plates 4 are welded to the outer side wall of the support column 2, for example. An X-shaped diagonal tension bar system 5 is provided between two adjacent support columns 2, specifically, as shown in fig. 4, the X-shaped diagonal tension bar system 5 includes two tension bars 50, and the middle positions of the two tension bars 50 are hinged, that is, the two tension bars 50 can rotate around a hinge point. Both ends of each pull rod 50 can be detachably connected with any lug plate 4 on the corresponding support column 2. Preferably, bolt holes are formed in positions, close to two ends, of each pull rod 50 and each lug plate 4, bolt and nut assemblies penetrate through the bolt holes in the pull rods 50 and the bolt holes in the lug plates 4, and the pull rods 50 are connected with the lug plates 4 through the bolt and nut assemblies, so that the adjustment and the installation are convenient and quick.
Specifically, when the bridge deck slab is assembled, the positions of the four support columns 2 on the bottom plate 1 are adjusted according to the size of the bridge deck slab to be assembled, after the adjustment, the four support columns 2 are fixed with the bottom plate 1, and simultaneously, the two pull rods 50 of the X-shaped inclined pull rod system 5 are adjusted to be connected with the corresponding lug plates 4, so that the structure of the four support columns 2 is reinforced, and after the cushion beams 3 are installed at the tops of the corresponding support columns 2, the bridge deck slab is placed on the cushion beams 3 to assemble the bridge deck slab of the steel truss bridge.
In an embodiment, as shown in fig. 1, 2 and 3, a lower connection plate 20 is fixedly connected to the bottom of each support column 2, and in an example, the lower connection plate 20 is fixedly connected to the bottom of the support column 2 by welding. Bolt holes are formed in the lower connecting plate 20, and the lower connecting plate 20 is connected with the bottom plate 1 by using a bolt and nut assembly. Similarly, an upper connection plate 21 is fixedly connected to the top of each support column 2, and the upper connection plate 21 is fixedly connected to the top of the support column 2 by welding. The upper connecting plate 21 is provided with bolt holes, the bottoms of the two sides of each backing beam 3 are also provided with a plurality of bolt holes, bolt holes on the upper connecting plate 21 and the bolt holes on the bottoms of the two sides of the backing beams 3 are internally provided with bolt and nut assemblies in a penetrating manner, and the upper connecting plate 21 is connected with the backing beams 3 through the bolt and nut assemblies. That is, the bolt and nut connection mode is adopted to realize the detachable connection between the support column 2 and the cushion beam 3 as well as the bottom plate 1, so that flexible adjustment can be carried out according to the actual size of the bridge deck.
On the basis of the above-described embodiment, as a more preferable embodiment, as shown in fig. 1, 2 and 5, a height adjusting unit 6 is provided on the upper end face of each of the cushion beams 3, the height adjusting unit 6 being located directly above the support columns 2, the height adjusting unit 6 being formed by stacking a plurality of cushion plates. That is, the height of the height adjusting unit 6 is adjusted by changing the number of layers of the pad, and after the height of the height adjusting unit 6 is adjusted to meet the requirements, the bridge deck is dropped onto the height adjusting unit 6. Preferably, limiting blocks 7 are arranged on two sides of each height adjusting unit 6, the limiting blocks 7 are detachably mounted on the upper end faces of the corresponding cushion beams 3, limiting of the height adjusting units 6 can be achieved through the limiting blocks 7, bridge decks can be limited, and sliding caused by vibration is prevented.
For example, according to the on-site paying-off of the bridge deck plate block data of the to-be-spliced steel truss bridge, cross marking points of the cross section of the spliced jig frame are marked on a ground paved base plate 1, standard support columns 2 are selected, the center points of the cross sections of a lower connecting plate 20 are aligned with the cross marking points, the lower connecting plate is fixedly bolted with the ground paved base plate 1, and a fixed upper connecting plate 21 is connected with a bolster 3, so that the positioning is convenient. In order to increase stability between the support columns 2, the standard length X-shaped inclined pull rod system 5 and the lug plates 4 on the support columns 2 are bolted and fixed, so that stability is increased, and safety is guaranteed. In the construction process, the elevation of the upper section of the cushion beam 3 is used as the lower elevation of the bridge deck block, and if the elevation needs to be adjusted, the height of the height adjusting unit 6 is changed, namely the number of cushion plates is increased for adjustment, so that the use is convenient. In the construction process, in order to prevent the displacement of the bridge deck slab block of the steel truss bridge, the position of the limiting block 7 is adjusted, the limiting block is fixedly bolted with the cushion beam 3, the displacement of the placed bridge deck slab block can be prevented, the assembly precision is ensured, and the safety coefficient is increased.
In this embodiment, stopper 7 is L type stopper, has seted up the bolt hole on the diaphragm of L type stopper, and the up end interval of floorpan 3 is equipped with a plurality of bolt holes, wears to be equipped with the bolt nut subassembly in the bolt hole on the floorpan 3 and the bolt hole on the L type stopper, is connected floorpan 3 and L type stopper through the bolt nut subassembly, and the installation is dismantled conveniently.
The support system is integrally supported by a lower connecting plate 20, a support column 2, an upper connecting plate 21 and an ear plate 4. The lower connecting plate 20 is made of steel plates with the diameter slightly larger than that of the supporting columns 2, and is connected with the ground laying bottom plate 1 by bolt and nut bolting. The upper connecting plate 21 is also made of steel plate with the diameter slightly larger than that of the support column 2, and is connected with the bolster 3 by bolt and nut bolting. In construction, the bolt holes on the connecting rod 50 of the X-shaped inclined pull rod system 5 are aligned with the bolt holes on the lug plate 4, and the stable support system can be formed through bolt and nut connection. If the space is required to be enlarged and the space size is smaller, the X-shaped diagonal draw bar system 5 can be connected with the next row of lug plates 4 on the support column 2; when the space size is larger, a group of X-shaped diagonal draw bar systems 5 and supporting systems can be additionally arranged and connected in a bolting way, namely, a plurality of supporting systems can be connected in series by utilizing the X-shaped diagonal draw bar systems 5 according to actual conditions. As shown in fig. 5, the bolster 3 is bolted with the stopper 7 through bolts and nuts. In construction, the bridge deck plate blocks of the steel truss bridge can be determined by adjusting the number of the adjusting backing plates, and in the embodiment, the backing plates are steel plates; by adjusting the position of the limiting block 7, the steel truss bridge deck slab can be prevented from sliding.
The construction method comprises the following steps:
1. assembly site lofting
And (3) lofting the center points of the three-dimensional coordinate ground projections of the center of the block joint of the bridge deck plate of the steel truss bridge and the center of the spliced jig frame joint of the bridge deck plate of the steel truss bridge by adopting a total station, and marking a cross mark of a central line by a marker pen on a ground laying steel plate.
2. Assembling and using jig frame for assembling bridge deck plate of steel truss bridge
Aligning the center point of the cross section of the lower connecting plate of the supporting column with the corresponding cross mark point, bolting and reinforcing, then connecting the corresponding backing beams, adjusting the quantity of the backing plates according to the details of bridge deck blocks of the steel truss bridge to finish elevation leveling, and simultaneously adjusting the distance between limiting blocks on the backing beams to prevent the bridge deck blocks from displacement.
3. Recycling use
After the assembly of the bridge deck blocks of the steel truss bridge between one section is completed, the bridge deck blocks of the steel truss bridge with small shape variation and large elevation change can be leveled and positioned by only adjusting the number of the adjusting backing plates, so that the bridge deck blocks can be continuously used; and for the steel structural members with large size variation, a plurality of groups of steel truss girder bridge deck slab assembly jig frames can be additionally arranged, and the processes 1 and 2 are repeated, so that the steel truss girder bridge deck slab assembly jig frames can be reused.
Finally, it should be noted that: the above examples are only specific embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but it should be understood by those skilled in the art that the present utility model is not limited thereto, and that the present utility model is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (8)
1. The portable detachable cyclic utilization bridge deck assembling jig is characterized by comprising a bottom plate (1) and a supporting system arranged on the bottom plate (1), wherein the supporting system comprises four supporting columns (2) and two cushion beams (3), and the four supporting columns (2) are in a rectangular array and are detachably connected to the bottom plate (1); two bolster (3) are arranged in parallel, wherein two ends of one bolster (3) are respectively detachably connected to the tops of two support columns (2), and two ends of the other bolster (3) are respectively detachably connected to the tops of the other two support columns (2); every lateral wall circumference of support column (2) is provided with a plurality of otic placodes (4) along the direction of height interval, and two adjacent be provided with X type oblique pull rod system (5) between support column (2), X type oblique pull rod system (5) include two pull rods (50), two the intermediate position of pull rod (50) articulates, every the both ends of pull rod (50) can be with arbitrary otic placode (4) on corresponding support column (2) detachable connection respectively.
2. The portable detachable and recyclable bridge deck assembling jig frame according to claim 1, wherein the upper end face of each cushion beam (3) is provided with a height adjusting unit (6), the height adjusting units (6) are located right above the support columns (2), and the height adjusting units (6) are formed by overlapping a plurality of layers of cushion plates.
3. The portable detachable and recyclable bridge deck assembling jig frame according to claim 2, wherein limiting blocks (7) are arranged on two sides of each height adjusting unit (6), and the limiting blocks (7) are detachably arranged on the upper end faces of the corresponding cushion beams (3).
4. The portable detachable cyclic utilization bridge deck assembling jig frame according to claim 3, wherein the limiting block (7) is an L-shaped limiting block, bolt holes are formed in a transverse plate of the L-shaped limiting block, a plurality of bolt holes are formed in the upper end face of the cushion beam (3) at intervals, bolt holes in the cushion beam (3) and bolt holes in the L-shaped limiting block are internally provided with bolt and nut assemblies in a penetrating mode, and the cushion beam (3) is connected with the L-shaped limiting block through the bolt and nut assemblies.
5. The portable detachable and recyclable bridge deck assembling jig according to claim 1, wherein bolt holes are formed in positions, close to two ends, of each pull rod (50) and each lug plate (4), bolt holes in the pull rods (50) and bolt holes in the lug plates (4) are internally provided with bolt-nut assemblies, and the pull rods (50) are connected with the lug plates (4) through the bolt-nut assemblies.
6. The portable detachable and recyclable bridge deck assembling jig frame according to claim 1, wherein a lower connecting plate (20) is fixedly connected to the bottom of each supporting column (2), bolt holes are formed in the lower connecting plates (20), bolt and nut assemblies penetrate through the bolt holes, and the lower connecting plates (20) are connected with the bottom plate (1) through the bolt and nut assemblies.
7. The portable detachable cyclic utilization bridge deck assembling jig according to claim 1, wherein an upper connecting plate (21) is fixedly connected to the top of each supporting column (2), bolt holes are formed in the upper connecting plate (21), a plurality of bolt holes are formed in the bottoms of the two sides of each backing beam (3), bolt hole assemblies penetrate through the bolt holes in the upper connecting plate (21) and the bolt holes in the bottoms of the two sides of the backing beams (3), and the upper connecting plate (21) is connected with the backing beams (3) through the bolt and nut assemblies.
8. A portable detachable and recyclable bridge deck splice moulding bed as claimed in claim 1, wherein the outer side wall of each support column (2) is circumferentially spaced at 90 ° intervals and a plurality of lugs (4) are arranged at intervals in the height direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321709760.0U CN219930737U (en) | 2023-06-30 | 2023-06-30 | Portable bridge deck assembling jig frame capable of being disassembled and recycled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321709760.0U CN219930737U (en) | 2023-06-30 | 2023-06-30 | Portable bridge deck assembling jig frame capable of being disassembled and recycled |
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| Publication Number | Publication Date |
|---|---|
| CN219930737U true CN219930737U (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321709760.0U Active CN219930737U (en) | 2023-06-30 | 2023-06-30 | Portable bridge deck assembling jig frame capable of being disassembled and recycled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219930737U (en) |
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2023
- 2023-06-30 CN CN202321709760.0U patent/CN219930737U/en active Active
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