CN110416933B

CN110416933B - Anti-seismic support is indulged to crane span structure side

Info

Publication number: CN110416933B
Application number: CN201910643796.5A
Authority: CN
Inventors: 张珏; 姚黎晖
Original assignee: Shanghai Zhenxi Science And Technology Group Co ltd
Current assignee: Shanghai Zhenxi Science And Technology Group Co ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2021-07-06
Anticipated expiration: 2039-07-17
Also published as: CN110416933A

Abstract

The invention discloses a bridge side longitudinal anti-seismic support, which relates to the technical field of anti-seismic supports and aims at solving the problems that the stability of parts at the joint of the existing anti-seismic support is not high and the safety and reliability of bridge construction are low. The device is made of steel plates with a zinc-aluminum-magnesium-nickel rare earth alloy coating, and has good corrosion resistance and easy processing; the shaking inside and outside the bridge can be reduced, the deformation of the bridge is avoided, the safety of pipelines and cables in the bridge is ensured, the applicability is strong, and the service life is long.

Description

Anti-seismic support is indulged to crane span structure side

Technical Field

The invention relates to the technical field of anti-seismic supports, in particular to a bridge side longitudinal anti-seismic support.

Background

An earthquake-proof support and hanger is a comprehensive engineering construction system, is a common firm connecting piece in the current building engineering project, is a pipeline of earthquake-proof building engineering design, is a supporting structure system taking earthquake force as main load, can effectively provide sufficient protection for an electromechanical system, a ventilation pipeline and the like when an earthquake occurs, and also provides solid guarantee for the normal operation of the electrical system, the ventilation system and the like of the building structure.

The cable bridge falls, and the short circuit is formed on the circuit, so that a fire disaster is possibly formed, and a secondary disaster is formed. The damage of the electric power system can also influence the communication, and then the communication with the outside can not be carried out, so that the rescue behavior is increasingly difficult. The ventilation system is damaged, and smoke and the like cannot be discharged in case of fire, so that the breathing cannot be performed, and the like. The anti-seismic support is arranged and installed to reduce earthquake damage and reduce and prevent secondary disasters as much as possible, so that casualties and property loss are reduced, parts at the joint of the existing anti-seismic support are not high in stability, the possibility of fatigue failure and even breakage of the parts can be greatly increased, the safety and reliability of use of the bridge can not be guaranteed, the service life of the parts is short, and the problem can be solved by designing the anti-seismic support with the longitudinal side of the bridge.

Disclosure of Invention

The invention provides a bridge side longitudinal anti-seismic support, which solves the problems that the stability of parts at the joint of the existing anti-seismic support is not high, the probability of fatigue failure and even fracture of the existing anti-seismic support is greatly increased, the safety and reliability of bridge use cannot be ensured, and the service life is short.

In order to achieve the purpose, the invention adopts the following technical scheme:

a bridge frame side longitudinal anti-seismic support comprises a bridge frame, wherein cross brace channel steel is fixedly installed at the bottom of the bridge frame, vertical channel steel which is vertically arranged is fixedly installed at two ends of the cross brace channel steel, inclined longitudinal brace channel steel is fixedly installed at the bottom ends of the two vertical channel steel, anti-seismic connecting pieces which are fixedly installed on the cross brace channel steel are arranged on the mutually far sides of the two vertical channel steel, side brace channel steel is fixedly installed on one side of the anti-seismic connecting pieces which is far away from the cross brace channel steel, the other ends of the side brace channel steel, the vertical channel steel and the longitudinal brace channel steel are fixedly installed on a building structure through the anti-seismic connecting pieces, a vertical full-tooth screw rod is installed in the vertical channel steel through screw fasteners, the bottom end of the full-tooth screw rod penetrates through the cross brace channel steel and is provided with two retaining steels which are positioned at two sides, two sliding connection has the clamping piece on the direction steel sheet, and one side that the crane span structure was kept away from to two clamping pieces rotates and is connected with square pipe, there is the ejector pin inside of square pipe through spring coupling, the one end that square pipe was kept away from to the ejector pin articulates there is the cardboard, and the one end outside that the cardboard was kept away from to the ejector pin is equipped with spacing slider, has seted up spacing hole on the spacing slider, and square pipe along length direction set up with spacing slider matched with spacing spout, the outside joint of square pipe has with spacing hole matched with C shape fastener, has seted up the spacing groove on the C shape fastener, and the outside of square pipe is equipped with.

Preferably, the bridge frame, the anti-seismic connecting piece, the side supporting channel steel, the vertical channel steel, the longitudinal supporting channel steel, the clamping piece, the square tube and the clamping plate are all made of steel plates with zinc-aluminum-magnesium-nickel rare earth alloy coatings.

Preferably, the anti-seismic connecting piece comprises a first connecting piece, a second connecting piece, a third connecting piece and a connecting bolt, the first connecting piece and the second connecting piece are hinged through the connecting bolt, the third connecting piece is installed at one end, away from each other, of the first connecting piece and the second connecting piece, and threaded holes which are uniformly distributed are formed in the third connecting piece.

Preferably, the clamping plate is a U-shaped plate, and one end of the U-shaped plate is hinged with the ejector rod.

Preferably, the first connecting piece and the second connecting piece are mutually clamped connecting pieces, and the third connecting piece is a straight plate.

Preferably, the clamping piece is right angle steel, and the right angle steel passes through fastener fixed mounting on the direction steel sheet, and sets up the fastening hole with fastener matched with on the direction steel sheet.

Preferably, the inner top of the bridge frame is provided with a connecting groove along the length direction, and an arc-shaped elastic plate is movably connected in the connecting groove.

Compared with the prior art, the invention has the beneficial effects that:

1. the anti-seismic support material is made of a steel plate with a zinc-aluminum-magnesium-nickel rare earth alloy coating, has the excellent performances of super-strong corrosion resistance, super-corrosion resistance, self-repair, long service life and easiness in processing, avoids hot zinc dipping and loading and unloading transportation outside commission after production by taking the steel plate with the zinc-aluminum-magnesium-nickel rare earth alloy coating as a raw material, avoids removing zinc spraying and rust prevention at a site installation cutting position, and accelerates the installation progress;

2. when the anti-vibration cable bridge is used, the other ends of the side support channel steel, the vertical channel steel and the longitudinal support channel steel are fixedly arranged on a building structure through anti-vibration connecting pieces, and when a pipeline or a cable penetrates through the bridge frame, the pipeline or the cable can be pressed by the arc-shaped elastic plate, so that the shaking is reduced;

3. according to the invention, the clamping plate can clamp the longitudinal supporting channel steel through sliding the clamping piece, so that not only can the stability of the longitudinal supporting channel steel and the vertical channel steel be ensured, but also the fixed distance between the bridge and the longitudinal supporting channel steel can be ensured, the deformation of the bridge due to external force is avoided, the safety of pipelines and cables in the bridge is further ensured, the safety and reliability of the whole device are increased, the service life of the bridge is prolonged, and the damage caused by earthquake is effectively reduced;

4. the position of the clamping plate is adjustable, when the clamping plate is adjusted, the C-shaped clamping piece is only required to be pulled out, the spring pushes the ejector rod outwards, the ejector rod is manually compressed to a proper position, the C-shaped clamping piece is inserted into the limiting hole in the limiting sliding block, and the limiting convex strip is clamped into the limiting groove, so that the position of the clamping plate can be fixed, the operation is convenient and fast, and the applicability is strong;

5. the transverse support channel steel and the side support channel steel are connected through the anti-seismic connecting piece, so that the structure is simple, the anti-seismic performance is excellent, the vibration from the horizontal direction and the vertical direction can be slowed down to a greater extent, the anti-seismic performance is good, and the service life of the anti-seismic support is prolonged.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view taken along line a-a of fig. 1.

Fig. 3 is an enlarged view of fig. 1 at B.

Fig. 4 is a schematic structural view of the seismic connector of the present invention.

Fig. 5 is a cross-sectional view of the square tube of the present invention.

Fig. 6 is a top view of the present invention.

Reference numbers in the figures: 1 crane span structure, 2 stull channel-section steels, 3 antidetonation connecting pieces, 31 first connecting piece, 32 second connecting piece, 33 third connecting piece, 34 connecting bolt, 4 side support channel-sections, 5 vertical channel-sections, 6 indulge and prop the channel-section steel, 7 full tooth screw rods, 8 fender steels, 9 direction steel sheet, 10 clamping pieces, 11 side's pipe, 12, 13 cardboard of ejector pin, 14C shape fastener, 15 spacing grooves, 16 spacing sand grip, 17 spread grooves, 18 arc elastic plates, 19 spacing sliders.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a bridge side longitudinal anti-seismic support comprises a bridge 1, a cross brace channel steel 2 is fixedly installed at the bottom of the bridge 1, vertical channel steels 5 which are vertically arranged are fixedly installed at two ends of the cross brace channel steel 2, a longitudinal brace channel steel 6 which is obliquely arranged is fixedly installed at the bottom ends of the two vertical channel steels 5, anti-seismic connecting pieces 3 which are fixedly installed on the cross brace channel steel 2 are arranged at mutually far sides of the two vertical channel steels 5, a side brace channel steel 4 is fixedly installed at one side of the anti-seismic connecting pieces 3 far away from the cross brace channel steel 2, the other ends of the cross brace channel steel 4, the vertical channel steels 5 and the longitudinal brace channel steel 6 are fixedly installed on a building structure through the anti-seismic connecting pieces 3, a vertical full-tooth screw 7 is installed in the vertical channel steel 4 through screw fasteners, the bottom end of the full-tooth screw 7 penetrates through the cross brace channel steel 2 and is provided, the upper parts of two side walls of the bridge frame 1 are respectively provided with a guide steel plate 9, the two guide steel plates 9 are connected with a clamping part 10 in a sliding way, the clamping part 10 is made of right-angle steel, the right-angle steel is fixedly arranged on the guide steel plates 9 through fasteners, fastening holes matched with the fasteners are formed in the guide steel plates 9, one side, far away from the bridge frame 1, of the two clamping parts 10 is rotatably connected with a square pipe 11, the inside of the square pipe 11 is connected with an ejector rod 12 through a spring, one end, far away from the square pipe 11, of the ejector rod 12 is hinged with a clamping plate 13, the clamping plate 13 is a U-shaped plate, the outer side, far away from the clamping plate 13, of the ejector rod 12 is provided with a limiting slide block 19, the limiting slide block 19 is provided with a limiting hole, the square pipe 11 is provided with a limiting slide groove matched with the limiting slide block 19 along, the limiting convex strips 16 can limit the position of the C-shaped clamping piece 14 after the C-shaped clamping piece 14 is clamped into the limiting hole, further ensure that the limiting slide block 19 and the square tube 11 are limited after the C-shaped clamping piece 14 is clamped into the limiting hole, and ensure that the clamping plate 13 and the longitudinal steel supporting groove 6 are relatively stable.

Bridge frame 1, antidetonation connecting piece 3, the side props the channel-section steel 4, vertical channel-section steel 5, the longitudinal support channel-section steel 6, clamping piece 10, the steel sheet that all adopts zinciferous almag-ni-rare earth alloy cladding material with cardboard 13 is owing to the addition of alloy element such as Al, Mg and Si, the cladding material corrosion inhibition effect is greatly improved, compare with ordinary plating product, cladding material adhesion volume is few but can realize more outstanding corrosion resistance, 10 ~ 20 times of hot dip galvanizing steel sheet, the peripheral cladding material composition of cutting plane is constantly dissolved out, form the fine and close protection film of mainly constituteing by hydrozincite, basicity zinc chloride and magnesium hydrate, this kind of protection film electric conductivity is lower, there is the inhibition effect to the corruption of cutting plane, use this kind of production, remove after the production and entrust the hot dip zinc round trip loading and unloading transportation outside, also remove on-site installation cutting department.

Referring to fig. 1 and 4, the anti-seismic connecting piece 3 includes a first connecting piece 31, a second connecting piece 32, a third connecting piece 33 and a connecting bolt 34, the first connecting piece 31, the second connecting piece 32 is the connecting block of each other, the third connecting piece 33 is a straight plate, the first connecting piece 31 and the second connecting piece 32 are hinged through the connecting bolt, the third connecting piece 33 is all installed to the one end that the first connecting piece 31 and the second connecting piece 32 keep away from each other, evenly distributed's screw hole has been seted up on the third connecting piece 33, the anti-seismic connecting piece 3 links to each other the side-brace channel-section steel 4 and the cross-brace channel-section steel 2 through a plurality of connecting pieces, the connection fastening is strong, and is big with bridging 1 area, can the damping from the vibration of level and vertical direction to a greater extent, the.

Referring to fig. 2, the connecting groove 17 is formed in the inner top of the bridge frame 1 along the length direction, an arc-shaped elastic plate 18 is movably connected to the inside of the connecting groove 17, the arc-shaped elastic plate 18 can compress cables or pipelines, and the bridge frame is prevented from shaking inside.

The working principle is as follows: when the device is used, the other ends of the side-supporting channel steel 4, the vertical channel steel 5 and the longitudinal-supporting channel steel 6 are fixedly installed on a building structure through the anti-seismic connecting piece 3, when a pipeline or a cable passes through the bridge frame 1, the arc-shaped elastic plate 8 can press the pipeline or the cable to reduce shaking, after the fixing, the clamping piece 10 is slid to enable the clamping plate 13 to clamp the longitudinal-supporting channel steel 6, the stability of the longitudinal-supporting channel steel 6 and the vertical channel steel 5 can be guaranteed, the fixed distance between the bridge frame 1 and the longitudinal-supporting channel steel 6 can be guaranteed, the deformation of the bridge frame 1 due to external force is avoided, the safety of the pipeline and the cable in the bridge frame 1 is further guaranteed, meanwhile, the position of the clamping plate 13 can be adjusted by adjusting the length of the ejector rod 12 extending out of the square pipe 11, only the C-shaped clamping piece 14 needs to be pulled out during the adjustment, the ejector rod 12 is pushed out by, and the position of the card 13 can be fixed by clamping the limit convex strip 16 into the limit groove 15.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a bridge lateral-longitudinal anti-seismic support, which comprises a bridge (1) and is characterized in that a cross brace channel steel (2) is fixedly installed at the bottom of the bridge (1), vertical channel steels (5) which are vertically arranged are fixedly installed at both ends of the cross brace channel steel (2), longitudinal brace channel steels (6) which are obliquely arranged are fixedly installed at the bottoms of the two vertical channel steels (5), anti-seismic connecting pieces (3) which are fixedly installed on the cross brace channel steels (2) are arranged at the sides, away from the cross brace channel steels (2), of the two vertical channel steels (5), lateral brace channel steels (4) are fixedly installed at one sides, away from the cross brace channel steels (2), of the anti-seismic connecting pieces (3), the other ends of the lateral brace channel steels (4), the vertical channel steels (5) and the longitudinal brace channel steels (6) are fixedly installed on a building structure through the anti-seismic connecting pieces (3), and vertical full-, the bottom of a full-tooth screw (7) penetrates through a cross-brace channel steel (2) and is provided with two steel blocking pieces (8), the two steel blocking pieces (8) are positioned at two sides of the cross-brace channel steel (2), guide steel plates (9) are arranged on the upper portions of two side walls of a bridge (1), two clamping pieces (10) are connected onto the guide steel plates (9) in a sliding manner, one side, far away from the bridge (1), of the two clamping pieces (10) is rotatably connected with a square pipe (11), the inside of the square pipe (11) is connected with a mandril (12) through a spring, one end, far away from the square pipe (11), of the mandril (12) is hinged with a clamping plate (13), the outer side of one end, far away from the clamping plate (13), of the mandril (12) is provided with a limiting slide block (19), the limiting hole is formed in the limiting slide block (19), a limiting slide groove matched with the limiting slide block (, a limiting groove (15) is formed in the C-shaped clamping piece (14), and a limiting convex strip (16) matched with the limiting groove (15) is arranged on the outer side of the square tube (11).

2. The bridge frame side longitudinal anti-seismic support according to claim 1, wherein the bridge frame (1), the anti-seismic connecting piece (3), the side supporting channel steel (4), the vertical channel steel (5), the longitudinal supporting channel steel (6), the clamping piece (10), the square pipe (11) and the clamping plate (13) are all made of steel plates coated with zinc-aluminum-magnesium-nickel rare earth alloy.

3. The bridge frame side longitudinal anti-seismic support according to claim 1, wherein the anti-seismic connecting pieces (3) comprise first connecting pieces (31), second connecting pieces (32), third connecting pieces (33) and connecting bolts (34), the first connecting pieces (31) and the second connecting pieces (32) are hinged through the connecting bolts, the third connecting pieces (33) are mounted at the ends, far away from each other, of the first connecting pieces (31) and the second connecting pieces (32), and threaded holes are uniformly distributed in the third connecting pieces (33).

4. A bridge profile longitudinal anti-seismic frame as defined in claim 3, wherein said first (31) and second (32) connection members are snap-fit connection members, and said third connection member (33) is a straight plate.

5. A bridge frame side longitudinal anti-seismic support according to claim 1, characterized in that said clamping plate (13) is a U-shaped plate, one end of which is hinged with the post rod (12).

6. The bridge frame side longitudinal anti-seismic support according to claim 1, wherein the clamping member (10) is right-angle steel, the right-angle steel is fixedly mounted on the guide steel plate (9) through a fastening member, and the guide steel plate (9) is provided with fastening holes matched with the fastening member.

7. The bridge frame side longitudinal anti-seismic support according to claim 1, wherein a connecting groove (17) is formed in the inner top of the bridge frame (1) along the length direction, and an arc-shaped elastic plate (18) is movably connected in the connecting groove (17).