CN223088297U - Overhead bridge T-shaped beam maintenance hanging bracket - Google Patents
Overhead bridge T-shaped beam maintenance hanging bracket Download PDFInfo
- Publication number
- CN223088297U CN223088297U CN202422019612.7U CN202422019612U CN223088297U CN 223088297 U CN223088297 U CN 223088297U CN 202422019612 U CN202422019612 U CN 202422019612U CN 223088297 U CN223088297 U CN 223088297U
- Authority
- CN
- China
- Prior art keywords
- hanger
- rod
- plate
- beams
- rods
- 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
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
本实用新型公开一种高架桥T型梁维修吊架，包括平行间隔设置的两根横梁，设置在每根所述横梁上与T型梁的下端相匹配安装的吊架板，各根所述横梁上的所述吊架板沿同一直线分布，所述吊架板通过直线型螺栓贯穿T型梁悬吊安装在T型梁上，至少一侧所述吊架板的两根所述横梁上垂直连接有多根底杆，覆盖各根所述底杆通过快接机构设置有平台板。本实用新型在不影响桥梁下方地面道路通行的情况下对T型梁进行维修，避免桥梁下方地面道路造成交通拥堵，具有快速拆装和节约拆装时间的优点。
The utility model discloses a maintenance hanger for a viaduct T-beam, comprising two parallel and spaced beams, a hanger plate arranged on each of the beams to match the lower end of the T-beam, the hanger plates on each of the beams are distributed along the same straight line, the hanger plates are suspended on the T-beams by linear bolts penetrating the T-beams, a plurality of bottom bars are vertically connected to the two beams of at least one side of the hanger plate, and a platform plate is arranged to cover each of the bottom bars through a quick-connect mechanism. The utility model can repair the T-beam without affecting the traffic on the ground road under the bridge, avoid traffic congestion on the ground road under the bridge, and has the advantages of fast disassembly and assembly and saving disassembly and assembly time.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a T-shaped beam maintenance hanging bracket for a viaduct.
Background
The viaduct is generally composed of a bridge foundation, bridge piers, wide beams, a plurality of groups of T-shaped beams spanned between two adjacent wide beams and side wall walls arranged on the outermost T-shaped beams, wherein the T-shaped beams comprise wing plates in a horizontal state and web plates in a vertical state. With the increase of the service life of the viaduct, the damaged part of the T-shaped beam needs to be maintained. And the T-shaped beam is maintained below the bridge by setting up a scaffold, so that the traffic of the ground road below the bridge is affected.
Disclosure of utility model
The utility model aims to provide a T-shaped beam maintenance hanging bracket for a viaduct, which aims to solve the problem of maintaining the T-shaped beam under the condition that the ground road passing below a bridge is not affected.
In order to solve the technical problems, the technical scheme is that the overhead bridge T-shaped beam maintenance hanging bracket comprises two cross beams which are arranged in parallel at intervals, hanging frame plates which are arranged on each cross beam and are matched with the lower end of the T-shaped beam, the hanging frame plates on the cross beams are distributed along the same straight line, the hanging frame plates penetrate through the T-shaped beam through linear bolts and are hung on the T-shaped beam, a plurality of bottom rods are vertically connected to the two cross beams on at least one side of the hanging frame plates, and a platform plate is arranged to cover each bottom rod through a quick-connection mechanism.
Further, the quick connection mechanism comprises inserting rods and locking rods, wherein the lower surface of each platform plate is aligned with a plurality of inserting rods on each bottom rod in a straight line, limiting clamping strips are arranged on the inner side of each inserting rod parallel to the two sides of each bottom rod, each inserting rod is vertically inserted into a hollow through cavity arranged along the length of each inserting rod in each bottom rod, two ends of each bottom rod are respectively inserted into and connected with one locking rod in each through cavity, the sum of the lengths of two locking rods in each bottom rod is smaller than or equal to the length of each bottom rod, each locking rod comprises two symmetrically distributed pin, limiting clamping strips are arranged on the inner side of each locking rod along the length direction of each pin, and each inserting rod at the corresponding position of each locking rod is clamped and connected with the limiting clamping strips in the through cavity of each bottom rod through the limiting clamping strips.
Furthermore, the overhead bridge T-shaped beam maintenance hanging bracket provided by the utility model has the advantages that the baffle plates extending out of the lower surface of the bottom rod are vertically welded downwards on the end surfaces of the bottom rods in an aligned mode, and the baffle plates are vertically connected to the cross beams through the positioning bolts.
Further, the viaduct T-shaped beam maintenance hanging bracket provided by the utility model is characterized in that the bottom rod is a square steel pipe, and the central square through hole of the square steel pipe is the through cavity.
Further, the T-shaped girder maintenance hanging bracket for the viaduct provided by the utility model has the advantages that the positions of the limiting clamping grooves and the positions of the limiting clamping strips are exchanged, and each locking rod is embedded in the square steel tube or the square steel column in the bottom rod.
Further, the viaduct T-shaped beam maintenance hanging bracket provided by the utility model has the advantages that the platform plates are positioned on two side edges of each cross beam vertically and are warped upwards to form folded edges.
Further, the viaduct T-shaped beam maintenance hanger provided by the utility model further comprises guardrails vertically upwards arranged at one ends of the two cross beams.
Further, the viaduct T-shaped beam maintenance hanging bracket provided by the utility model comprises two vertical rods and a plurality of cross rods between the two vertical rods, wherein the lower end of each vertical rod is correspondingly arranged on one cross rod.
Further, the T-shaped beam maintenance hanging bracket for the viaduct provided by the utility model comprises the left hanging plate and the right hanging plate which are symmetrically distributed on each beam, wherein the left hanging plate and the right hanging plate are arranged on the beams through connecting pieces, and the guardrails are arranged on the beams through the connecting pieces.
Furthermore, the T-shaped beam maintenance hanging bracket for the viaduct provided by the utility model comprises a sleeve sleeved on the cross beam, wherein the lower end of the sleeve is vertically and upwards connected with a locking bolt in a threaded manner, the locking bolt is tightly propped against the cross beam or screwed into the cross beam, and stiffening plates which are symmetrically distributed are welded among the sleeve, the left hanging plate, the right hanging plate and the vertical rods of the guardrails.
Compared with the prior art, the overhead bridge T-shaped beam maintenance hanger has the following beneficial effects:
The T-shaped beam is suspended and installed at the lower end of the T-shaped beam through the hanger plate, and the platform plate is used as a construction platform for maintaining and constructing the T-shaped beam, so that the ground road below the bridge is not occupied, the T-shaped beam is maintained under the condition that the ground road below the bridge is not influenced, and traffic jam caused by the ground road below the bridge is avoided.
The supporting frame of the platform plate is formed by the cross beams and the bottom rods, so that the reliable support of the platform plate is ensured, and the reliability and stability of the viaduct T-shaped beam maintenance hanging frame in use are improved.
Drawings
FIG. 1 is a schematic elevational view of a overpass and a T-beam maintenance hanger mounted thereon;
FIG. 2 is a schematic elevational view of a overpass T-beam repair hanger mounted to the lower end of a T-beam;
FIG. 3 is a schematic perspective view of a overpass T-beam maintenance hanger;
fig. 4 is an enlarged view of a portion a in fig. 3;
FIG. 5 is a schematic view of an exploded bottom perspective of a platform plate mounted to a bottom bar by a quick connect mechanism;
fig. 6 is an enlarged view of the portion B in fig. 5;
The figure shows:
100. a viaduct;
110. Bridge foundation 120, bridge pier 130, wide beam 140, T-shaped beam 150, side wall 160 and bridge deck;
200. Ground surface;
300. The overhead bridge T-shaped beam maintenance hanging bracket comprises a hanging bracket 1, a cross beam 2, a hanging bracket plate 21, a left hanging plate 22, a right hanging plate 3, a guardrail 4, a connecting piece 41, a sleeve 42, a stiffening plate 43, a locking bolt 5, a platform plate 6, a bottom rod 7, an inserted link 8, a locking rod 9, a baffle 10, a positioning bolt 11, a limiting clamping strip 12 and a limiting clamping groove;
400. a linear bolt.
Detailed Description
The advantages and features of the utility model will become apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
The overpass 100 is composed of a bridge foundation 110, piers 120, wide beams 130, several sets of T-beams 140 spanned between two adjacent wide beams 130, and side walls 150 provided on the outermost T-beams 140. Wherein the bridge foundation 110 comprises a deck located below the ground 200 and pile foundations below it.
Referring to fig. 1 to 3, an embodiment of the present utility model provides a T-beam maintenance hanger 300 for a viaduct, which includes two beams 1 arranged in parallel at intervals, hanger plates 2 arranged on each beam 1 and mounted in a matching manner with the lower end of the T-beam 140, the hanger plates 2 on each beam 1 are distributed along the same straight line, the hanger plates 2 are suspended and mounted on the T-beam 140 by penetrating the T-beam 140 through linear bolts 400, a plurality of bottom rods 6 are vertically connected to the two beams 1 on at least one side of the hanger plates 2, and a platform plate 5 is arranged to cover each bottom rod 6 through a quick-connection mechanism. Wherein the platform plate 5 can be formed by splicing a plurality of steel plates. In fig. 3, a platform plate 5 formed by splicing three bottom rods 6 and three steel plates is illustrated.
The overhead bridge T-shaped beam maintenance hanger 300 provided by the embodiment of the utility model is hung and installed at the lower end of the T-shaped beam 140 through the hanger plate 2, and the T-shaped beam 140 is maintained and constructed through the platform plate 5 serving as a construction platform, so that the ground road below the bridge is not occupied, the T-shaped beam 140 is maintained under the condition that the ground road below the bridge is not influenced, and the traffic jam caused by the ground road below the bridge is avoided.
According to the overpass T-shaped beam maintenance hanging bracket 300 provided by the embodiment of the utility model, the supporting frame of the platform plate 5 is formed by the cross beam 1 and the bottom rod 6, so that the reliable support of the platform plate 5 is ensured, and the reliability and stability of the overpass T-shaped beam maintenance hanging bracket 300 in use are improved.
Referring to fig. 3 and fig. 5 to fig. 6, in order to realize quick assembly and disassembly of the platform plate 5, the quick-connection mechanism provided by the embodiment of the utility model includes an inserting rod 7 and a locking rod 8, a plurality of inserting rods 7 are linearly distributed on each bottom rod 6 aligned with the lower surface of the platform plate 5, two sides of each inserting rod 7 parallel to the bottom rods 6 are provided with inward concave limiting clamping grooves 12, the inserting rods 7 are vertically inserted into hollow through cavities arranged along the length of the bottom rods 6, two ends of each bottom rod 6 are respectively inserted into one locking rod 8 connected into the through cavities along the length direction of the bottom rods, the sum of the lengths of the two locking rods 8 positioned in each bottom rod 6 is smaller than or equal to the length of each bottom rod 6, each locking rod 8 includes two symmetrically distributed pin, each pin 8 is provided with a limiting clamping strip 11 along the length direction, and each locking rod 8 and each pin 7 at the corresponding position is connected with the limiting strip 11 through the corresponding clamping groove 12 of the bottom rod 6. In order to increase the strength of the support of the platform plate 5, the sum of the lengths of the two lock bars 8 located in each of the bottom bars 6 is preferably equal to the length of the bottom bar 6, so that the bending resistance of the bottom bar 6 is increased by the lock bars 8, thereby increasing the strength of the support of the platform plate 5. The rapid disassembly and assembly of the overpass T-shaped beam maintenance hanging frame 300 are realized through the rapid disassembly and assembly of the platform plate 5, and the disassembly and assembly efficiency is improved. The positions of the limiting clamping groove 12 and the limiting clamping strip 11 can be interchanged, after the positions are interchanged, the lock rod 8 does not need to be composed of two discrete pins and can be an integral component, and the lock rod 8 at the moment can be a square steel tube or a square steel column.
Referring to fig. 3 to 5, in order to improve structural stability, in the overpass T-shaped beam maintenance hanger 300 provided by the embodiment of the present utility model, each locking bar 8 is aligned with a baffle plate 9 welded vertically downward on the end surface of the bottom bar 6, and the baffle plate 9 is vertically connected to the cross beam 1 through a positioning bolt 10. Thereby the bottom rod 6 is fixedly connected with the cross beam 1, and the structural stability of the overpass T-shaped beam maintenance hanger 300 is improved. At this time, the shutter 9 can form two pins of the lock lever 8 into one assembly. The mounting method of the platform plate 5 comprises the steps of vertically inserting the platform plate 5 into a through cavity of a bottom rod 6 through an inserting rod 7, then inserting each lock rod 8 at two ends of the cross beam 1 in the length direction into the through cavity of the bottom rod 6 along one end of the bottom rod 6, enabling the bottom rod 6 and the lock rods 8 to form nested connection, and when each pin of each lock rod 8 is inserted into the bottom rod 6, enabling a limit clamping strip 11 on the lock rod 8 to be clamped and connected into a limit clamping groove 12 of the inserting rod 7, so that the platform plate 5 is quickly and fixedly connected onto the bottom rod 6 through the inserted lock rods 8. The barrier 9 is then welded and the barrier 9 and its attached locking bar 8 are attached to the cross beam 1 by means of the positioning bolts 10. The reverse process of the installation method of the dismantling method realizes the rapid disassembly and assembly of the platform plate 5 on the bottom rod 6 through the quick connection mechanism, and improves the assembly and disassembly efficiency of the platform plate 5. The lock rod 8 is in inserted connection with the cross beam 1, so that the lock rod 8 and the cross beam 1 can be quickly connected or separated, the lock rod 8 and the inserting rod 7 are in clamped connection, and when the lock rod 8 is inserted into or pulled out of the bottom rod 6, the lock rod 8 and the inserting rod 7 are quickly locked and connected and quickly separated, so that the dismounting efficiency of the viaduct T-shaped beam maintenance hanger 300 is further improved.
According to the overpass T-shaped beam maintenance hanger 300 provided by the embodiment of the utility model, through the inserted link 7, the lock bar 8, the baffle 9, the positioning bolt 10, the limiting clamping bar 11 and the limiting clamping groove 12, the inserted link 7 welded on the lower surface of the platform plate 5 is inserted into the hole formed on the surface of the bottom link 6, the lock bar 8 inserted into the bottom link 6 is clamped outside the inserted link 7, and simultaneously the limiting clamping bar 11 integrally formed on the inner side of the lock bar 8 is clamped in the limiting clamping groove 12 formed on the outer surface of the inserted link 7, so that the inserted link 7 is conveniently limited when the lock bar 8 is inserted into the bottom link 6, and meanwhile, the baffle 9 welded on the end part of the lock bar 8 is fixed with the cross beam 1 through the positioning bolt 10, so that the fixed connection of the cross beam 1, the bottom link 6 and the platform plate 5 is realized.
Referring to fig. 4 to 5, in order to improve the reliability of connection between the cross beam 1 and the bottom beam 6, in the overpass T-beam maintenance hanger 300 provided by the embodiment of the present utility model, the bottom beam 6 is a square steel pipe, and the square through hole in the center of the square steel pipe is the through cavity. The beam 1 is a square steel pipe or solid square steel, and the bottom rod 6 is lapped above the beam 1.
Referring to fig. 2 to 3, in order to avoid overflow of accumulated water on the platform plate 5, the T-beam maintenance hanger 300 for viaduct provided by the embodiment of the utility model is that the platform plate 5 is located at two sides of each cross beam 1 vertically and is warped upwards to form a folded edge. At this time, the accumulated water in the platform plate 5 can flow out along the length direction of the T-beam 140, and can be prevented from overflowing from both sides of the platform plate 5.
Referring to fig. 2, in order to repair the T-beam 140 at the side wall 150 of the elevated plate 100 and the lower surface or side surface of the side wall 150, the overpass T-beam repair hanger 300 according to the embodiment of the present utility model further includes guardrails 3 vertically upward disposed at one ends of the two cross beams 1, where the guardrails 3 are located outside the platform plate 5, and the height of the guardrails 3 is higher than the bridge deck 160. Of course, in order to protect the worker from safety during maintenance of the T-beams 140 at other positions, the height of the guard rail 3 is smaller than the elevation of the lower surface of the T-beams 140 when the overpass T-beam maintenance hanger 300 is installed at the T-beams 140 between the T-beams 140 at both sides. The guardrail 3 comprises two vertical rods and a plurality of cross rods between the two vertical rods, and the lower end of each vertical rod is correspondingly arranged on one cross beam 1.
Referring to fig. 3 and 4, in order to achieve quick assembly and disassembly of the hanger plate 2 and the cross beam 1 and quick assembly and disassembly of the guardrail 3 and the cross beam 1, the T-beam maintenance hanger 300 for viaduct provided by the embodiment of the utility model, each hanger plate 2 on the cross beam 1 comprises a left hanger plate 21 and a right hanger plate 22 which are symmetrically distributed, the left hanger plate 21 and the right hanger plate 22 are all arranged on the cross beam 1 through connecting pieces 4, and the guardrail 3 is arranged on the cross beam 1 through the connecting pieces 4. The left hanging plate 21 and the right hanging plate 22 are of a fold line structure matched with the lower end of the T-shaped beam 140, the connecting piece 4 comprises a sleeve 41 sleeved on the cross beam 1, the lower end of the sleeve 41 is vertically and upwards connected with a locking bolt 43 in a threaded mode, the locking bolt 43 is tightly pressed on the cross beam 1 or the locking bolt 43 is screwed and connected to the cross beam 1, and stiffening plates 42 which are symmetrically distributed are welded between the sleeve 41 and vertical rods of the left hanging plate 21, the right hanging plate 22 and the guardrail 3. At this time, the connector 4 and the left hanger plate 21 constitute an integral member, the connector 4 and the right hanger plate 22 constitute an integral member, and the guardrail 3 and the connected connector 4 also constitute an integral member. The left hanger plate 21, the right hanger plate 22 and the guardrail 3 are quickly assembled on the cross beam 1 by loosening the locking bolts 43 and quickly assembling the left hanger plate 21, the right hanger plate 22 and the guardrail 3 on the cross beam 1 by screwing the locking bolts 43.
According to the overpass T-shaped beam maintenance hanging bracket 300 provided by the embodiment of the utility model, the whole assembly and disassembly efficiency of the overpass T-shaped beam maintenance hanging bracket 300 is improved and the time is saved through the rapid assembly and disassembly of the platform plate 5 and the bottom rod 6, the rapid assembly and disassembly of the hanging bracket plate 2 and the cross beam 1, and the rapid assembly and disassembly of the guardrail 3 and the cross beam 1.
The present utility model is not limited to the above-described embodiments, but rather, the above-described embodiments are merely examples of some, but not all embodiments of the present utility model. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the utility model, fall within the scope of protection of the utility model. Other levels of modification and variation to the present utility model may occur to those skilled in the art. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims.
Claims (10)
1. The utility model provides a overpass T type roof beam maintenance gallows, its characterized in that, includes two crossbeams that parallel interval set up on every with the hanger plate of T type roof beam's lower extreme assorted installation on the crossbeam, each hanger plate is last hanger plate is along same straight line distribution, hanger plate runs through T type roof beam through the straight line bolt and hangs and install on T type roof beam, at least one side two of hanger plate is connected with many sill bars perpendicularly on the crossbeam, covers each the sill bar is provided with the landing plate through quick connect the mechanism.
2. The overpass T-shaped beam maintenance hanger according to claim 1, wherein the quick connection mechanism comprises a plug rod and a lock rod, a plurality of plug rods are linearly distributed on each bottom rod on the lower surface of the platform plate in an aligned manner, limiting clamping grooves which are inwards concave are formed in the two sides of each plug rod, which are parallel to the bottom rods, of each plug rod, the plug rods are vertically inserted into hollow through cavities which are formed in the bottom rods along the lengths of the plug rods, one lock rod in each through cavity is respectively inserted into two ends of each bottom rod, the sum of the lengths of two lock rods which are positioned in each bottom rod is smaller than or equal to the length of each bottom rod, each lock rod comprises two symmetrically distributed pins, limiting clamping bars are arranged on the inner sides of each lock rod along the length direction of each lock rod, and each plug rod in each corresponding position of each lock rod is in each through a limiting clamping groove in each through cavity of each bottom rod.
3. The overhead bridge T-beam repair hanger of claim 2, wherein each of said locking bars is welded vertically downwardly to an end face of said bottom bar with a baffle extending from a lower surface thereof, said baffle being vertically connected to said cross beam by a set screw.
4. The overpass T-beam repair hanger of claim 2, wherein the bottom bar is a square steel tube and the central square through hole of the square steel tube is the through cavity.
5. The overpass T-beam service hanger of claim 2, wherein the positions of the limit clip slots and limit clip bars are interchanged, each of the locking bars being embedded in a square steel tube or square steel column in the bottom bar.
6. The overpass T-beam service hanger of claim 1, wherein the platform plate is positioned perpendicular to both sides of each of the cross beams and is warped upwardly to form a hem.
7. The overpass T-beam service hanger of claim 1, further comprising a guardrail disposed vertically upwardly at one end of both of said cross beams.
8. The overpass T-beam service hanger of claim 7, wherein the guardrail comprises two vertical rods and a plurality of cross rods therebetween, the lower end of each vertical rod being correspondingly disposed on one of the cross rods.
9. The overpass T-beam service hanger of claim 8, wherein the hanger plate on each of the beams comprises a symmetrically distributed left hanger plate and right hanger plate, the left hanger plate and the right hanger plate are both disposed on the beams by connectors, and the guardrail is disposed on the beams by the connectors.
10. The viaduct T-beam maintenance hanger of claim 9, wherein the connecting piece comprises a sleeve sleeved on the cross beam, a locking bolt is vertically and upwards connected with the lower end of the sleeve in a threaded mode, the locking bolt is tightly propped against the cross beam or screwed into the cross beam, and stiffening plates which are symmetrically distributed are welded between the sleeve and vertical rods of the left hanging plate, the right hanging plate and the guardrail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422019612.7U CN223088297U (en) | 2024-08-20 | 2024-08-20 | Overhead bridge T-shaped beam maintenance hanging bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422019612.7U CN223088297U (en) | 2024-08-20 | 2024-08-20 | Overhead bridge T-shaped beam maintenance hanging bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223088297U true CN223088297U (en) | 2025-07-11 |
Family
ID=96294749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422019612.7U Active CN223088297U (en) | 2024-08-20 | 2024-08-20 | Overhead bridge T-shaped beam maintenance hanging bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223088297U (en) |
-
2024
- 2024-08-20 CN CN202422019612.7U patent/CN223088297U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100891924B1 (en) | Sectional section type type casting beam for temporary bridge | |
| CN110512517B (en) | Bridge engineering construction platform | |
| CN111155793B (en) | Prefabricated steel bar processing shed capable of being installed quickly for building construction | |
| KR100373783B1 (en) | A temporary bracket for construction of precast concrete beam bridge and the temporary work method using the same | |
| CN214996345U (en) | Assembled overhanging pedestrian escalator for deep foundation pit | |
| CN215212255U (en) | Suspension type frame combined high-altitude operation platform | |
| KR20180028216A (en) | Checking way of Bridge | |
| CN110748135B (en) | Temporary operation platform system and construction method thereof | |
| CN219059794U (en) | Road protective construction platform | |
| CN110886225A (en) | Construction method of cable tower stay cable installation system | |
| CN214575659U (en) | Lock head side pier combined template | |
| KR200340325Y1 (en) | Bridge inspection | |
| CN214301289U (en) | Temporary wind-resistant device for construction of cantilever section steel truss girder of large-span cable-stayed bridge | |
| CN210657942U (en) | Steel frame bridge structure of concatenation fast | |
| CN111502024B (en) | A railway protection scaffolding that is easy to build | |
| CN211596435U (en) | Straight web cast-in-place box girder formwork | |
| CN220202430U (en) | Steel-concrete composite beam structure of assembled cantilever arm support | |
| KR102401684B1 (en) | Composite heterogeneous material handrail support device for installation of bridge inspection facilities with vertical and horizontal strength compensation | |
| CN222332485U (en) | An assembled protection platform for construction of a bridge deck system over a highway | |
| KR200403599Y1 (en) | System bar chair for support of Steel reinforcement | |
| CN218893979U (en) | Beret beam trestle overhauling operation platform | |
| CN219241416U (en) | Safety protection structure | |
| CN217923129U (en) | Assembled construction channel and operation platform | |
| CN218562115U (en) | Step ladder channel for hanging basket | |
| CN211340477U (en) | Hang basket convenient to installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |