CN220014576U - Wood structure reinforcing node - Google Patents
Wood structure reinforcing node Download PDFInfo
- Publication number
- CN220014576U CN220014576U CN202321350102.7U CN202321350102U CN220014576U CN 220014576 U CN220014576 U CN 220014576U CN 202321350102 U CN202321350102 U CN 202321350102U CN 220014576 U CN220014576 U CN 220014576U
- Authority
- CN
- China
- Prior art keywords
- wood
- cable
- connecting piece
- component
- fastening piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002023 wood Substances 0.000 title claims abstract description 129
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000032170 Congenital Abnormalities Diseases 0.000 description 1
- 241000287127 Passeridae Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a wood structure reinforcing node which comprises a first wood member, a second wood member, a first fastener, a second fastener, a connecting piece and a inhaul cable assembly, wherein the first fastener is arranged on the first wood member; the end parts of the first wood member and the second wood member are connected through mortise and tenon joints; the first fastening piece is sleeved on the periphery of the first wood component, and the inner wall of the first fastening piece is tightly attached to the periphery of the first wood component; the second fastening piece is sleeved on the periphery of the second wood component, and the inner wall of the second fastening piece is tightly attached to the periphery of the second wood component; the connecting piece is arranged below the second wood component, the side part of the connecting piece is connected with the first fastening piece, and the upper part of the connecting piece is connected with the second fastening piece; the cable assembly is arranged in an inclined mode, the upper end of the cable assembly is connected with the connecting piece, and the lower end of the cable assembly is connected with the building component far away from the first wood component. The beneficial effects of the utility model are as follows: the node strength is high, the universality is strong, and the influence on the original node is small.
Description
Technical Field
The utility model relates to the technical field of wood building reinforcement, in particular to a wood structure reinforcement node.
Background
The wood structure has the characteristics of light weight, high efficiency, green ecology, rapid construction and living health, is suitable for energy conservation and emission reduction in China, and is an effective way for low-carbon, green and sustainable development. On the other hand, along with the idea of cultural confidence of China, the wood structure building is taken as one of cultural symbols of thousands of years of China, and is more widely used in building forms such as archaized parks, buildings, garden landscaping, historical relic service venues and the like.
The traditional timber structure building mostly uses timber components as the frame, mortise and tenon joint is the structural style of node, after long-time use, the connected node between the timber components becomes flexible, the performance degradation problems such as crack, decay etc. also appear easily to the timber of node department owing to there is congenital defect such as festival, worm-eaten etc. to lead to node joint strength to reduce, influences the safe handling of building. Thus, wood-structured buildings often require reinforcement after a period of use.
At present, the wood structure is reinforced by sticking fiber materials or steel plates, and the reinforcing mode can only solve single problems of node loosening, bearing capacity degradation and the like, so that the node universality is low; the reinforcing method is used for coating the appearance of the node too much, has a large influence on the appearance of the original node, and is not beneficial to showing the construction technology of mortise-tenon connection of the log structure. Accordingly, there is a need for improvements over the prior art.
Disclosure of Invention
The utility model aims to provide a wood structure reinforcing node with strong universality aiming at the defects of the prior art.
The utility model adopts the technical scheme that: a wood structure reinforcing node comprising a first wood member, a second wood member, a first fastener, a second fastener, a connector, and a cable assembly;
the end parts of the first wood member and the second wood member are connected through mortise and tenon joints;
the first fastening piece is sleeved on the periphery of the first wood component, and the inner wall of the first fastening piece is tightly attached to the periphery of the first wood component;
the second fastening piece is sleeved on the periphery of the second wood component, and the inner wall of the second fastening piece is tightly attached to the periphery of the second wood component;
the connecting piece is arranged below the second wood component, the side part of the connecting piece is connected with the first fastening piece, and the upper part of the connecting piece is connected with the second fastening piece;
the cable assembly is arranged in an inclined mode, the upper end of the cable assembly is connected with the connecting piece, and the lower end of the cable assembly is connected with the building component far away from the first wood component.
According to the scheme, the first fastening piece is of a split type structure and is formed by splicing two first arc-shaped plates, and the first arc-shaped plates are matched with the outer peripheral surface of the first wood member; the first arc plate is connected with the first wood component through a plurality of screws.
According to the scheme, one end of the first arc-shaped plate is provided with a first extending plate which extends outwards along the radial direction of the first wood component; the side part of the connecting piece is clamped between the first extension plates of the two first arc-shaped plates and is connected with the two first extension plates through bolts.
According to the scheme, the second fastening piece is of a split type structure and is formed by splicing two second arc-shaped plates, and the second arc-shaped plates are matched with the outer peripheral surface of the second wood member; the second arc plate is connected with the second wood component through a plurality of screws.
According to the scheme, one end of the second arc-shaped plate is provided with a second extending plate in a downward extending mode along the radial direction of the second wood component; the top of the connecting piece is clamped between the second extension plates of the two second arc-shaped plates and is connected with the two second extension plates through bolts.
According to the scheme, the inhaul cable assembly comprises a first inhaul cable, a length adjusting mechanism and a second inhaul cable; one end of the first inhaul cable is connected with the connecting piece, the other end of the first inhaul cable is connected with one end of the length adjusting mechanism, the other end of the length adjusting mechanism is connected with one end of the second inhaul cable, and the other end of the second inhaul cable is connected with other structures.
According to the scheme, the length adjusting mechanism comprises a screw rod and an internal thread sleeve, one end of the screw rod is connected with the first inhaul cable, the other end of the screw rod is connected with the internal thread sleeve in a matched mode, and the other end of the internal thread sleeve is connected with the second inhaul cable.
According to the scheme, the cable trepanning is offered at the middle part of connecting piece, and the one end of first cable passes the cable trepanning and passes the ligature through the ligature piece after.
According to the scheme, the first wood component is a wood column, and the second wood component is a wood beam.
According to the scheme, the first fastening piece, the second fastening piece and the connecting piece are all metal pieces.
The beneficial effects of the utility model are as follows:
1. the node strength is high, the universality is strong, and the influence on the original node is small. The ring-type fastener sleeved on the wood member is designed, so that the rigidity of the node can be effectively ensured, the node damage caused by the problems of deformation, decay and the like is repaired by the fastener, the reinforcing mode has strong universality, and the reinforcing connection of different node members can be realized according to different connection wood member designs; according to the utility model, the horizontal displacement of the wood beam is limited through the connection of the connecting piece and the fastening piece, so that node failure caused by tenon pulling is effectively avoided; the utility model does not wrap the original mortise-tenon joint, reserves the original joint space and the semi-rigid force transmission form formed by the joint occlusion and the friction force of the components, namely, reserves the good anti-seismic performance of the mortise-tenon structure, has small coverage and disturbance to the original joint and does not influence the display of the original joint.
2. The bearing capacity is high, and the applicability is strong. According to the utility model, the inhaul cable is connected with the wood beam column node, the wood structure beam is an upper chord, and the steel cable is a lower chord, so that a stress form of the fish-bellied truss is formed, and the bearing capacity of the wood structure beam is greatly improved; the design can not only solve the problem of insufficient bearing capacity of the wood beam caused by decay, cracking, worm-eaten and the like, but also meet the new building function requirement by calculating and adjusting the included angle between the inhaul cable and the wood beam and the model of the inhaul cable when the floor load is greatly increased and the large load is hung under the beam for decoration in the face of modernization reconstruction of ancient wood buildings, and has wide application range.
3. The force is transferred directly, and the construction is convenient. The connecting plate and the wood member are connected into a whole, and the stress of the inhaul cable and the wood beam is directly transmitted to the node core area, so that the mechanical property is excellent; all the fasteners and the connecting plates are processed in factories, only bolts, screws and connecting steel ropes are needed to be installed on site, maintenance is not needed, and construction is convenient.
4. Has high cultural and aesthetic value. Most of ancient buildings adopt wood structure buildings connected by mortise and tenon joints and are covered with rich textures. According to the utility model, the mortise and tenon joint area of the original structure is avoided, and the construction wisdom of an ancient craftsman of mortise and tenon joint is reserved and displayed; the thickness of the fastener is small, no protruding connecting piece exists, and the historical texture of the beam column area can be perfectly restored by matching with paint drawing, so that the cultural value of the beam column area is reserved; the metal connecting piece can be made into sparrow by matching with the wood ornament, and the connecting piece is hidden and simultaneously has the characteristic of eastern building.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a section A-A of fig. 1.
Fig. 5 is a schematic diagram illustrating connection between the connector and the cable in this embodiment.
Fig. 6 is a schematic diagram of an embodiment of the present utility model.
In the figure: 1. a first wood member; 2. a second wood member; 3. a first arcuate plate; 4. a second arcuate plate; 5. a screw; 6. a bolt; 7. a connecting piece; 8. a first cable; 9. a ligature; 10. a length adjusting mechanism; 11. a second guy cable; 12. and a lower chord connection piece.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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.
Examples
The first wood member 1 and the second wood member 2 are shown in fig. 1, wherein the first wood member 1 is a wood column, the second wood member 2 is a wood beam, and the end part of the wood beam is connected with the wood column through mortise and tenon joints.
1-4, in particular to a wood beam column reinforcing node for mortise and tenon joint, which comprises a first wood member 1, a second wood member 2, a first fastener, a second fastener, a connecting piece 7 and a inhaul cable component;
the ends of the first wood member 1 and the second wood member 2 are connected through mortise and tenon joints, and the first wood member and the second wood member are vertically arranged;
the first fastening piece is sleeved on the periphery of the first wood component 1, and the inner wall of the first fastening piece is tightly attached to the periphery of the first wood component 1;
the second fastening piece is sleeved on the periphery of the second wood component 2, and the inner wall of the second fastening piece is tightly attached to the periphery of the second wood component 2;
the connecting piece 7 is arranged below the second wood component 2, the side part of the connecting piece 7 is connected with the first fastening piece, and the upper part of the connecting piece 7 is connected with the second fastening piece;
the cable assembly is arranged obliquely, the upper end of the cable assembly is connected with the connecting piece 7, and the lower end of the cable assembly is connected with the building component far away from the first wood component 1.
In the utility model, the first fastening piece is sleeved on the first wood component 1 below the second wood component 2, and the top elevation and the bottom elevation of the first fastening piece are consistent with those of the connecting piece 7; the building element may be a basic structure remote from the first wood element 1 or other elements connected to the second wood element 2.
In this embodiment, the first wood member 1 is a wood column, and the second wood member 2 is a wood beam. The connecting piece 7 is a connecting plate. The building component is a lower chord connecting piece 12 connected with the second wood component 2, as shown in fig. 6, two ends of the second wood component 2 are respectively connected with the two first wood components 1 and are respectively reinforced by the reinforcing nodes; two lower chord connecting pieces 12 are arranged on the second wood member 2 at intervals, and the lower end of a guy cable assembly of the reinforcing node is connected with the lower chord connecting pieces 12; the lower chord connection 12 may be a rod.
In this embodiment, the first fastening member, the second fastening member, and the connecting member 7 are all metal members.
Preferably, the first fastening piece is of a split structure and is formed by splicing two first arc plates 3; the first curved plate 3 is connected to the first wood member 1 by means of a number of screws 5, in particular screws 5 are driven into the interior of the first wood member 1 after passing through the first curved plate 3.
In the utility model, the first arc-shaped plate 3 is matched with the outer peripheral surface of the first wood component 1; the two first arcuate plates 3 are arranged opposite to each other to form a first fastener.
Preferably, one end of the first arc-shaped plate 3 is extended outwardly with a first extension plate along the radial direction of the first wood member 1; the side parts of the connecting piece 7 are clamped between the first extension plates of the two first arc-shaped plates 3 and are connected with the two first extension plates through bolts 6.
In the utility model, the bolt 6 sequentially passes through one first extension plate, the connecting piece 7 and the other first extension plate to connect the three.
Preferably, the second fastening piece is of a split structure and is formed by splicing two second arc plates 4; the second curved plate 4 is connected to the second wood member 2 by means of a number of screws 5, in particular screws 5 are driven into the interior of the second wood member 2 after passing through the second curved plate 4.
In the utility model, the second arc-shaped plate 4 is matched with the outer peripheral surface of the second wood member 2; the two second arcuate plates 4 are arranged opposite to each other to form a second fastener.
Preferably, one end of the second arc-shaped plate 4 is extended downward with a second extension plate along the radial direction of the second wood member 2; the top of the connecting piece 7 is clamped between the second extension plates of the two second arc-shaped plates 4 and is connected with the two second extension plates through bolts 6.
In the utility model, the bolt 6 sequentially passes through one second extension plate, the connecting piece 7 and the other second extension plate to connect the three.
Preferably, as shown in fig. 5, the cable assembly includes a first cable 8, a length adjustment mechanism, and a second cable 11; one end of the first inhaul cable 8 is connected with the connecting piece 7, the other end of the first inhaul cable 8 is connected with one end of the length adjusting mechanism 10, the other end of the length adjusting mechanism is connected with one end of the second inhaul cable 11, and the other end of the second inhaul cable 11 is connected with other structures.
In the utility model, a cable sleeve hole is formed in the middle of the connecting piece 7, and one end of a first cable 8 passes through the cable sleeve hole and is then bound through a binding piece 9.
Preferably, the length adjusting mechanism 10 comprises a screw rod and an internal thread sleeve, one end of the screw rod is connected with the first inhaul cable 8, the other end of the screw rod is connected with the internal thread sleeve in a matching way, and the other end of the internal thread sleeve is connected with the second inhaul cable 11. In the utility model, the length adjusting mechanism 10 is of an existing mature structure, and can adjust the tension of the first inhaul cable 8 and the second inhaul cable 11 by rotating the screw and changing the connection position of the screw and the internal thread sleeve.
In this embodiment, as shown in fig. 6, the second cables 11 of the two cable assemblies are the same cable. The first inhaul cable 8 and the second inhaul cable 11 are steel cables.
The manufacturing method of each fastener and connecting piece 7 in the embodiment is as follows:
the first fastening piece is sized according to the sectional shape and size of the first wood member 1 (i.e., the wood post) so that two first arc plates 3 of the first fastening piece can be spliced around the outer circumference of the first wood member 1; according to the arrangement of the screws 5 connecting the first fastening member and the first wood member 1 and the arrangement of the bolts 6 connecting the first fastening member and the connecting piece 7, screw holes are reserved in the first fastening member by machine drilling, and the processing of the first fastening member is completed. Similarly, the second fastening piece is sized according to the sectional shape and size of the second wood member 2 (i.e., the wood beam), so that two second arc plates 4 of the second fastening piece can be spliced around the outer periphery of the second wood member 2; and drilling holes by using a machine according to the arrangement condition of the bolts 5 for connecting the second fastening piece and the second wood component 2 and the arrangement condition of the bolts 6 for connecting the second fastening piece and the connecting piece 7, and reserving screw holes on the second fastening piece to finish the processing of the second fastening piece. The size of the connecting piece 7 is determined according to the sizes of the first fastening piece and the second fastening piece, screw holes are reserved on the connecting piece 7 by a machine according to the screw hole positions on the first fastening piece and the second fastening piece, and a cable sleeve hole is reserved in the middle of the connecting piece 7 according to the diameter of the first cable 8, so that the processing of the connecting piece 7 is completed.
The installation method of the embodiment comprises the following steps:
the processed part is transported to a construction site, a second fastening piece is arranged at a node, a second wood member 2 is sleeved and temporarily fixed outside, and the second fastening piece is connected and fixed with a connecting piece 7 by a bolt 6; then the first fastening piece surrounds the first wood component 1 for a circle, and the first fastening piece and the connecting piece 7 are connected and fixed by the bolt 6 after temporary fixation; subsequently, the second fastening member is fixedly mounted with the second wood member 2 and the first fastening member with the first wood member 1, respectively, with screws 5; finally, one end of the first inhaul cable 8 passes through a reserved sleeve hole of the connecting piece 7, is firmly bound by the binding piece 9 and is stretched to a design angle, and the inhaul cable reaches the designed tension degree through the length adjusting mechanism 10, so that the construction and the assembly of the reinforcing node are completed.
What is not described in detail in this specification is prior art known to those skilled in the art.
Finally, it should be noted that the foregoing is merely a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and although the present utility model has been described in detail with reference to the embodiment, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, but any modifications, equivalents, improvements or changes thereof may be made without departing from the spirit and principle of the present utility model.
Claims (10)
1. The wood structure reinforcing node is characterized by comprising a first wood component, a second wood component, a first fastener, a second fastener, a connecting piece and a inhaul cable assembly;
the end parts of the first wood member and the second wood member are connected through mortise and tenon joints;
the first fastening piece is sleeved on the periphery of the first wood component, and the inner wall of the first fastening piece is tightly attached to the periphery of the first wood component;
the second fastening piece is sleeved on the periphery of the second wood component, and the inner wall of the second fastening piece is tightly attached to the periphery of the second wood component;
the connecting piece is arranged below the second wood component, the side part of the connecting piece is connected with the first fastening piece, and the upper part of the connecting piece is connected with the second fastening piece;
the cable assembly is obliquely arranged, and the upper end of the cable assembly is connected with the connecting piece.
2. The wood-structure reinforcing node of claim 1, wherein the first fastener is of a split type structure and is formed by splicing two first arc-shaped plates, and the first arc-shaped plates are matched with the outer peripheral surface of the first wood member; the first arc plate is connected with the first wood component through a plurality of screws.
3. The wood-structure reinforcing node of claim 2, wherein one end of the first arcuate plate extends radially outwardly of the first wood member with a first extension plate; the side part of the connecting piece is clamped between the first extension plates of the two first arc-shaped plates and is connected with the two first extension plates through bolts.
4. The wood-structure reinforcing node of claim 1, wherein the second fastener is of a split type structure formed by splicing two second arc-shaped plates, and the second arc-shaped plates are matched with the outer peripheral surfaces of the second wood members; the second arc plate is connected with the second wood component through a plurality of screws.
5. The wood-structure reinforcing node of claim 4, wherein one end of the second arcuate plate extends radially downwardly of the second wood member with a second extension plate; the top of the connecting piece is clamped between the second extension plates of the two second arc-shaped plates and is connected with the two second extension plates through bolts.
6. The wood-structure reinforcement node of claim 1, wherein the cable assembly comprises a first cable, a length adjustment mechanism, and a second cable; one end of the first inhaul cable is connected with the connecting piece, the other end of the first inhaul cable is connected with one end of the length adjusting mechanism, the other end of the length adjusting mechanism is connected with one end of the second inhaul cable, and the other end of the second inhaul cable is connected with the length adjusting mechanism of the other inhaul cable assembly.
7. The wood-structure reinforcing node of claim 6, wherein the length adjustment mechanism comprises a screw and an internally threaded sleeve, one end of the screw is connected to the first cable, the other end of the screw is cooperatively connected to the internally threaded sleeve, and the other end of the internally threaded sleeve is connected to the second cable.
8. The wood-structure reinforcing joint of claim 1, wherein the connecting member has a cable socket formed in a middle portion thereof, and one end of the first cable is bound by the binding member after passing through the cable socket.
9. The wood-structure reinforcing node of claim 1, wherein the first wood member is a wood column and the second wood member is a wood beam.
10. The wood-structure reinforcing node of claim 1, wherein the first fastener, the second fastener, and the connecting member are all metal pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321350102.7U CN220014576U (en) | 2023-05-26 | 2023-05-26 | Wood structure reinforcing node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321350102.7U CN220014576U (en) | 2023-05-26 | 2023-05-26 | Wood structure reinforcing node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220014576U true CN220014576U (en) | 2023-11-14 |
Family
ID=88691345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321350102.7U Active CN220014576U (en) | 2023-05-26 | 2023-05-26 | Wood structure reinforcing node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220014576U (en) |
-
2023
- 2023-05-26 CN CN202321350102.7U patent/CN220014576U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109930746B (en) | Assembled bamboo-wood beam column, connecting piece, assembling and disassembling method thereof and bamboo-wood structure node | |
| CN210887559U (en) | Low multi-storey steel structure residential system | |
| CN113529979A (en) | Exempt from welded rack node reinforced structure | |
| CN101314961A (en) | Dish shaped node suitable for joint of chord-tension truss stay rod and double-cable | |
| CN108060718A (en) | A kind of detachable assembling type column and basic ductility joint connection mode | |
| CN220014576U (en) | Wood structure reinforcing node | |
| CN113123609B (en) | Method for mounting steel structure dome net rack with two low ends and high middle | |
| CN103266668B (en) | A kind of bamboo structure conversion connector | |
| CN203200923U (en) | Space truss structure | |
| CN213477166U (en) | Large-span steel structure | |
| CN215949080U (en) | Steel pipe pole convenient to disassemble and assemble | |
| CN210316213U (en) | Assembled triangle-shaped wood truss | |
| KR102182930B1 (en) | Strengthened support frame coupling structure | |
| CN211081171U (en) | Hyperbola cooling tower "decompression reinforcing structure | |
| CN110469130B (en) | Pipe truss girder and pipe truss column flange plate mounting die and mounting method | |
| CN219191778U (en) | Bamboo steel assembled bracket suitable for theme package and large sculpture | |
| CN207646957U (en) | A kind of cladding system of the assembled flexible of curtain wall | |
| CN206512623U (en) | A kind of railway line affiliated facility | |
| CN113322773B (en) | Steel structure beam for municipal road and bridge building construction and construction method thereof | |
| CN210916980U (en) | Assembled cable-girder anchoring structure | |
| CN217268216U (en) | Arc aluminum pipe supports connection structure | |
| CN217601694U (en) | Assembled steel-wood structure node with built-in lock | |
| CN110439113A (en) | A kind of axial push-pull composite force type prefabricated wood strut | |
| CN205806902U (en) | Tubular truss | |
| CN219431017U (en) | Net rack sliding rod piece reinforcing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |