CN110904830B

CN110904830B - Method for applying durable noise-reducing maintenance-free bridge expansion device

Info

Publication number: CN110904830B
Application number: CN201911047752.2A
Authority: CN
Inventors: 王雁飞; 南晓霞; 吕永涛; 张海军; 张闻达; 何伟兵; 刘宽河; 高项; 李志忠; 张剑; 单国珠
Original assignee: Individual
Current assignee: Hebei Wanyi Traffic Facilities Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2021-06-18
Anticipated expiration: 2039-10-31
Also published as: CN110904830A

Abstract

The invention relates to the field of bridge expansion devices, in particular to a method for applying a durable noise-reducing maintenance-free bridge expansion device. Blocking a bridge gap by utilizing one or a combination of a plurality of the middle beam of the double-wing durable noise-reducing maintenance-free bridge expansion device, the fixed edge beam of the durable noise-reducing maintenance-free bridge expansion device, the sliding edge beam of the durable noise-reducing maintenance-free bridge expansion device and the middle beam of the single-wing durable noise-reducing maintenance-free bridge expansion device; the sound waves entering bridge gaps are reduced to vibrate, so that the noise surge of the bridge is reduced; meanwhile, water entering the water stop belt is reduced or stopped, and the bottom of a gap of the bridge is protected.

Description

Method for applying durable noise-reducing maintenance-free bridge expansion device

Technical Field

The invention relates to the field of bridge expansion devices, in particular to a method for applying a durable noise-reducing maintenance-free bridge expansion device.

Background

The bridge expansion device is an important component of a bridge, and is a general name of various devices which are arranged at a bridge expansion joint and are composed of members such as rubber, steel and the like in order to enable vehicles to stably pass through a bridge floor and meet the requirement of deformation of an upper structure of the bridge. The safety of the bridge road is directly influenced by the quality of the performance of the bridge expansion device.

The defects of the prior art are as follows:

1. a multi-purpose multilayer water stop; no matter how many layers, it is easy to damage;

2. the water stop is easy to fall into sundries because of the relatively open section and space;

3. the input cost is large, and the construction consumes manpower and material resources.

Disclosure of Invention

The purpose of the invention is as follows: in order to provide a method for applying a durable noise-reducing maintenance-free bridge expansion device with better effect, the specific purpose is to see a plurality of substantial technical effects of the specific implementation part.

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

scheme A:

a middle beam of a uniwing durable noise-reduction maintenance-free bridge expansion device is characterized in that the middle beam of the durable noise-reduction maintenance-free bridge expansion device comprises middle beam profile steel, and the left side or the right side above the profile steel of the middle beam profile steel comprises a middle beam uniwing.

The invention further adopts the technical scheme that the lower part of the centre sill section steel comprises a base, the upper part of the centre sill section steel comprises a water stop accommodating part, and the water stop accommodating part comprises centre sill water stop accommodating holes 3 distributed at two sides of the centre sill section steel.

The invention further adopts the technical scheme that the height of the single wing of the center sill is relatively higher than the plane above the middle part of the center sill.

The invention has the further technical scheme that the right side of the centre sill single wing comprises an inclined surface.

The technical scheme of the invention is that the center sill water stop accommodating hole 3 comprises an upper bulge and a lower bulge, and the upper bulge and the lower bulge can relatively fix the edge of the water stop.

Scheme B:

a double-wing durable noise-reduction maintenance-free bridge expansion device center sill is characterized in that the durable noise-reduction maintenance-free bridge expansion device center sill comprises center sill section steel, and center sill double wings 17 are arranged above the section steel of the center sill section steel.

The further technical scheme of the invention is that the double wings 17 of the middle beam and the middle part of the middle beam form a whole smooth plane.

The technical scheme of the invention is that the center sill water stop accommodating hole 3 comprises an upper bulge 31 and a lower bulge 32, and the upper bulge and the lower bulge can relatively fix the edge of the water stop.

Scheme C:

durable maintenance-free bridge telescoping device that makes an uproar that falls slip boundary beam, its characterized in that, durable maintenance-free bridge telescoping device boundary beam that makes an uproar that falls contains boundary beam shaped steel, and one side of the shaped steel top of boundary beam shaped steel contains boundary beam single wing 6.

The technical scheme is that the lower part of the side beam profile steel comprises a base, the upper part of the side beam profile steel comprises a water stop accommodating part, and the water stop accommodating part comprises a side beam water stop accommodating hole 5.

The invention further provides that the right side of the edge beam single wing 6 comprises an inclined surface which gradually descends outwards from the center line of the edge beam section steel.

The invention further adopts the technical scheme that the edge beam water stop accommodating hole 5 comprises an upper projection of the edge beam water stop accommodating hole and a lower projection of the edge beam water stop accommodating hole, and the upper projection 51 of the beam water stop accommodating hole and the lower projection 52 of the edge beam water stop accommodating hole can relatively fix the edge of the water stop.

Scheme D:

the fixed boundary beam of the durable noise-reduction maintenance-free bridge expansion device is characterized in that the fixed boundary beam of the durable noise-reduction maintenance-free bridge expansion device comprises boundary beam profile steel, and one side above the profile steel of the boundary beam profile steel is bent upwards.

The invention further adopts the technical scheme that the lower part of the side beam profile steel comprises a base, the upper part of the side beam profile steel comprises a water stop accommodating part, and the water stop accommodating part comprises a side beam water stop accommodating hole.

Scheme E:

the single-slit type durable noise-reducing maintenance-free bridge expansion device is characterized by comprising a sliding edge beam 4 of the durable noise-reducing maintenance-free bridge expansion device and a fixed edge beam 12 of the durable noise-reducing maintenance-free bridge expansion device which are matched;

the edge beam of the durable noise-reducing maintenance-free bridge expansion device comprises edge beam profile steel, and one side above the profile steel of the edge beam profile steel comprises an edge beam single wing 6;

the fixed boundary beam of the durable noise-reducing maintenance-free bridge expansion device comprises boundary beam profile steel, and one side above the profile steel of the boundary beam profile steel is bent upwards;

the boundary beam single wing 6 can block a bridge gap between the sliding boundary beam 4 of the durable noise-reducing maintenance-free bridge expansion device and the fixed boundary beam 12 of the durable noise-reducing maintenance-free bridge expansion device, the side of the boundary beam single wing 6 is lapped on the upper plane of the fixed boundary beam 12 of the durable noise-reducing maintenance-free bridge expansion device, and a telescopic space is contained between the end part of the boundary beam single wing 6 and the bending part.

The invention further adopts the technical scheme that the lower parts of the sliding side beam 4 of the durable noise-reducing maintenance-free bridge expansion device and the fixed side beam 12 of the durable noise-reducing maintenance-free bridge expansion device respectively comprise side beam side grooves and more than one reinforced integral anchoring plate 10, the reinforced integral anchoring plates 10 and embedded steel bars are integrally manufactured or prewelded into a whole, the side of each reinforced integral anchoring plate 10 comprises an anchoring plate end part bulge and a lower supporting part, the anchoring plate end part bulge can be matched into the side groove of the side beam, and the anchoring plate end part bulge and the lower supporting part can accommodate the bottom of the bulge on one side of the side beam.

The invention has the further technical proposal that the reinforced integrated anchoring plate 10 comprises more than one round hole and/or square hole; the upper surface of the reinforced integral anchoring plate 10 is an inclined surface.

Scheme F:

the multi-slit type durable noise-reducing maintenance-free bridge expansion device is characterized by comprising a sliding boundary beam 4 of the durable noise-reducing maintenance-free bridge expansion device, more than one middle beam 1 of a single-wing durable noise-reducing maintenance-free bridge expansion device and a fixed boundary beam 12 of the durable noise-reducing maintenance-free bridge expansion device, which are matched with each other;

the side beam 4 of the durable noise-reducing maintenance-free bridge expansion device comprises side beam profile steel, and one side above the profile steel of the side beam profile steel comprises a side beam single wing 6;

the center sill of the single-wing durable noise-reducing maintenance-free bridge expansion device comprises center sill section steel, and the left side or the right side above the section steel of the center sill section steel comprises a center sill single wing;

the boundary beam single wing 6 is lapped on the upper plane of the middle beam 1 of a single wing durable noise-reducing maintenance-free bridge expansion device, and the middle beam single wings of the middle beam 1 of the single wing durable noise-reducing maintenance-free bridge expansion device are sequentially lapped on the upper plane of the middle beam 1 of the adjacent single wing durable noise-reducing maintenance-free bridge expansion device; the last middle beam 1 of the single-wing durable noise-reducing maintenance-free bridge expansion device is lapped on the upper plane of the fixed side beam 12 of the durable noise-reducing maintenance-free bridge expansion device; a plurality of telescopic spaces are formed for the single wings 6 of the side beams and the single wings of the middle beam to perform telescopic activities.

The invention further adopts the technical scheme that the sliding boundary beam 4 of the durable noise-reducing maintenance-free bridge expansion device and the fixed boundary beam 12 of the durable noise-reducing maintenance-free bridge expansion device are respectively arranged in post-cast concrete on beam bodies at two sides of the bridge expansion device, the post-cast concrete on the beam bodies at two sides of the bridge expansion device also respectively comprise a displacement box 15 and a supporting cross beam 14 with two ends arranged in the two displacement boxes; the middle beam 1 of the more than one single-wing durable noise-reducing maintenance-free bridge expansion device is arranged on the supporting cross beam 14.

The invention further adopts the technical scheme that the upper sliding support 19 is arranged above the part of the supporting beam 14 in the two displacement boxes, the lower sliding support 21 is arranged below the part of the supporting beam 14 in the two displacement boxes, and limit stops 20 are arranged on the left side and the right side in the displacement boxes and can limit the displacement range of the supporting beam.

The invention further adopts the technical scheme that the noise-reducing maintenance-free bridge expansion device further comprises more than one group of chains, wherein the more than one group of chains are respectively and sequentially connected with the sliding side beam 4 of the noise-reducing maintenance-free bridge expansion device, the more than one middle beam 1 of the single-wing noise-reducing maintenance-free bridge expansion device and the fixed side beam 12 of the noise-reducing maintenance-free bridge expansion device.

Scheme G:

the combined multi-slit type durable noise-reducing maintenance-free bridge expansion device is characterized by comprising durable noise-reducing maintenance-free bridge expansion device fixed side beams 12 which are distributed in a mirror image manner, a double-wing durable noise-reducing maintenance-free bridge expansion device middle beam 16 positioned between the two durable noise-reducing maintenance-free bridge expansion device fixed side beams 12, and more than one single-wing durable noise-reducing maintenance-free bridge expansion device middle beam 1;

the middle beam of the durable noise-reducing maintenance-free bridge expansion device comprises middle beam profile steel, and middle beam double wings 17 are arranged above the profile steel of the middle beam profile steel;

one middle beam double-wing lap joint of the middle beam of the durable noise-reducing maintenance-free bridge expansion device is connected to a fixed side beam of the durable noise-reducing maintenance-free bridge expansion device, and the other middle beam double-wing lap joint is connected to the upper plane of the middle beam 1 of the adjacent single-wing durable noise-reducing maintenance-free bridge expansion device; the last middle beam 1 of the single-wing durable noise-reducing maintenance-free bridge expansion device is lapped on the upper plane of the fixed side beam 12 of the durable noise-reducing maintenance-free bridge expansion device; form a plurality of telescopic spaces for the telescopic activities of the double wings of the middle beam and the single wing of the middle beam.

The invention further adopts the technical scheme that the lower part of a fixed edge beam 12 of the durable noise-reducing maintenance-free bridge expansion device comprises an edge beam side groove and more than one reinforced integral anchoring plate 10, the reinforced integral anchoring plate 10 and embedded steel bars are integrally manufactured or pre-welded into a whole, the side of the reinforced integral anchoring plate 10 comprises an anchoring plate end part bulge and a lower supporting part, the anchoring plate end part bulge can be matched with the edge beam side groove, and the anchoring plate end part bulge and the lower supporting part can accommodate the bottom of the bulge on one side of the edge beam side.

The invention further adopts the technical scheme that the fixed boundary beams 12 of the durable noise-reducing maintenance-free bridge expansion device which are in mirror image with each other are respectively arranged in post-cast concrete on beam bodies at two sides of the bridge expansion device, the post-cast concrete on the beam bodies at two sides of the bridge expansion device also respectively comprise a displacement box 15 and a supporting beam 14 of which two ends are arranged in the two displacement boxes; the middle beam 1 of the more than one single-wing durable noise-reducing maintenance-free bridge expansion device is arranged on the supporting cross beam 14.

The invention further adopts the technical scheme that the noise-reducing maintenance-free bridge expansion device comprises more than one group of chains, wherein the more than one group of chains are respectively and sequentially connected with the fixed boundary beam 12 of the noise-reducing maintenance-free bridge expansion device, the middle beam 16 of the double-wing noise-reducing maintenance-free bridge expansion device, which is positioned between the fixed boundary beams 12 of the two noise-reducing maintenance-free bridge expansion devices, the middle beam 1 of the single-wing noise-reducing maintenance-free bridge expansion device and the fixed boundary beam 12 of the noise-reducing maintenance-free bridge expansion device.

Scheme H:

the double-slit type durable noise-reducing maintenance-free bridge expansion device is characterized by comprising durable noise-reducing maintenance-free bridge expansion device fixed side beams 12 which are distributed in a mirror image manner, and a double-wing durable noise-reducing maintenance-free bridge expansion device middle beam 16 positioned between the two durable noise-reducing maintenance-free bridge expansion device fixed side beams 12;

one middle beam double wing of the middle beam of the durable noise-reducing maintenance-free bridge expansion device is respectively lapped on one fixed side beam of the durable noise-reducing maintenance-free bridge expansion device; two telescopic spaces are formed for the middle beam and the double wings to perform telescopic activities.

The invention further adopts the technical scheme that the noise-reducing maintenance-free bridge expansion device further comprises more than one group of chains, wherein the more than one group of chains are respectively and sequentially connected with the fixed edge beam 12 of the noise-reducing maintenance-free bridge expansion device and the middle beam 16 of the double-wing noise-reducing maintenance-free bridge expansion device, which is positioned between the fixed edge beams 12 of the two noise-reducing maintenance-free bridge expansion devices.

Scheme I:

the multi-directional shift chain hinge structure is characterized in that the chain hinge structure comprises a hinge unit, the hinge unit comprises a vertical shaft, a hinge upper connecting piece 222 and a hinge lower connecting piece 225 can be placed on the vertical shaft respectively, the upper connecting piece 222 and the lower connecting piece 225 respectively comprise holes, the vertical shaft penetrates through the holes, and a gap exists between the vertical shaft and the holes so that the upper connecting piece 222 and the lower connecting piece 225 can move up and down relatively around the vertical shaft.

The invention further adopts the technical scheme that the vertical shaft is a bolt shaft, a nut is arranged below the vertical shaft, a bolt head is arranged above the vertical shaft, and the vertical shaft can be welded on the boundary beam and/or the middle beam.

A further technical solution of the present invention is that a middle gasket is further included between the upper connecting member 222 and the lower connecting member 225, and the middle gasket is made of rubber.

A further technical solution of the present invention is that the vertical shaft comprises two dimensions, one being longer and one being shorter.

Scheme J:

the multidirectional shifting chain structure is characterized in that the chain can horizontally stretch and retract and can relatively move up and down, and comprises a plurality of groups of chain hinge units;

the chain hinge structure comprises a hinge unit, the hinge unit comprises a vertical shaft, a hinge upper connecting piece 222 and a hinge lower connecting piece 225 can be respectively placed on the vertical shaft, the upper connecting piece 222 and the lower connecting piece 225 respectively comprise a hole, the vertical shaft passes through the hole, and a gap is formed between the vertical shaft and the hole so that the upper connecting piece 222 and the lower connecting piece 225 can move up and down relatively around the vertical shaft;

a plurality of upper connectors 222 and lower connectors 225 couple together a plurality of juxtaposed vertical shafts.

A further technical solution of the present invention is that the plurality of parallel vertical shafts comprise two sizes, one longer and one shorter; the longer two are located at the sides, the longer vertical shaft can be welded at the bottom of the side beam, and all or part of the shorter vertical shaft can be welded at the bottom of the middle beam.

Scheme K:

the single-slit bridge expansion device comprises two boundary beams, and is characterized in that chains are arranged below the two boundary beams,

the chain can horizontally stretch and retract and can relatively move up and down, and comprises a plurality of groups of chain hinge structures; the chain hinge structure comprises a hinge unit, the hinge unit comprises a vertical shaft, a hinge upper connecting piece 222 and a hinge lower connecting piece 225 can be respectively placed on the vertical shaft, the upper connecting piece 222 and the lower connecting piece 225 respectively comprise a hole, the vertical shaft passes through the hole, and a gap is formed between the vertical shaft and the hole so that the upper connecting piece 222 and the lower connecting piece 225 can move up and down relatively around the vertical shaft;

a plurality of upper connectors 222 and lower connectors 225 connect together a plurality of juxtaposed vertical shafts;

the chain is welded between two adjacent bearing beams and is connected with the bottom of the edge beam.

The multi-slit bridge expansion device comprises two boundary beams, and a middle beam is arranged between the two boundary beams; chains are arranged below the two side beams and the middle beam;

the chain is welded between two adjacent bearing beams and is connected with the bottom of the edge beam and the bottom of the middle beam

Compared with the prior art, the invention adopting the technical scheme has the following beneficial effects: 1. the upper part is sealed, and the noise reduction performance is better; 2. the hard seal is not easily broken. Compared with the prior art, the multi-layer water stop belt is mainly used, the cost is high, the noise reduction performance is poor, the sealing performance is poor, and the water stop belt is easy to damage as a rubber material.

Drawings

To further illustrate the present invention, further description is provided below with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of a single-slot bridge expansion device of the invention; FIG. 2 is a schematic structural view of one of the structural implementations of the multi-slot bridge expansion device of the present invention; FIG. 3 is a schematic structural view of a middle beam of the single-wing durable noise-reducing maintenance-free bridge expansion device; FIG. 4 is a schematic structural view of a sliding edge beam of the durable noise-reducing maintenance-free bridge expansion device; FIG. 5 is a schematic structural view of a middle beam of the double-wing durable noise-reducing maintenance-free bridge expansion device; FIG. 6 is a schematic structural view of arrangement of fixed boundary beams of the durable noise-reducing maintenance-free bridge expansion device; FIG. 7 is a perspective view of the combination shown in FIG. 6; FIG. 8 is a schematic structural view of a second embodiment of the multi-slot bridge expansion device of the present invention; FIG. 9 is a schematic structural view of a third implementation of the multi-slot bridge expansion device structure of the present invention; FIG. 10 is a schematic structural view of a cross section of a support beam; FIG. 11 is a schematic top view of a multi-slot bridge expansion device structure; FIG. 12 is a schematic view of a chain configuration; FIG. 13 is a schematic structural view of the component 12; FIG. 14 is a schematic view of a fillet pattern of the component 1; FIG. 15 is a fillet pattern layout of the component 16; FIG. 16 is a schematic view of a fillet pattern of the combination of component 4 and component 12; FIG. 17 is a schematic view of a fillet pattern of the component 12; FIG. 18 is a schematic view of a fillet pattern of the component 4; FIG. 19 illustrates a noise reduction barrier embodiment; FIG. 20 illustrates one arrangement of a first barrier panel and a second barrier panel in a noise reduction barrier channel; FIG. 21 illustrates another arrangement of a first barrier panel and a second barrier panel in a noise reduction barrier channel; FIG. 22 is a schematic view of a plurality of single-wing durable noise-reducing maintenance-free bridge expansion devices with beams fitted in a system; wherein: 1. the middle beam of the single-wing durable noise-reducing maintenance-free bridge expansion device; 2. a centre sill single wing; 3. a center sill waterstop receiving hole; 4. the sliding side beam of the durable noise-reducing maintenance-free bridge expansion device; 5. a boundary beam waterstop receiving hole; 6. a side sill single wing; 7. grooves are formed in the side of the side beam; 8. pre-embedding reinforcing steel bars in the bridge; 9. longitudinal reinforcing steel bars; 10. a reinforced integral anchoring plate; 11. a water stop; 12. the durable noise-reducing maintenance-free bridge expansion device is used for fixing the boundary beam; 13. post-pouring concrete; 14. a support beam; 15. a displacement box; 16. the double-wing durable noise-reducing maintenance-free bridge expansion device middle beam; 17. one of the center sill and the double wings; 18. a beam body; 19. an upper sliding support; 20. a limit stop block; 21. a lower sliding support; 22. a chain; 221. a centre sill chain hinge unit; 222. the upper connecting piece is hinged; 223. a boundary beam connector; 224. a middle washer; 225. the lower connecting piece is hinged; 226. a lower bolt; a, a first barrier sheet; B. a second barrier sheet; A1. an upper barrier sheet I; B1. a second upper barrier sheet; a2 lower baffle sheet I; B2. and a second barrier sheet is arranged below the second barrier sheet.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The patent provides a plurality of parallel schemes, and different expressions belong to an improved scheme based on a basic scheme or a parallel scheme. Each solution has its own unique features.

The invention provides a plurality of large schemes A-K, and the subjects are respectively:

A-D four types of section steel; the device comprises a middle beam of a single-wing durable noise-reducing maintenance-free bridge expansion device, a middle beam of a double-wing durable noise-reducing maintenance-free bridge expansion device, a sliding side beam of the durable noise-reducing maintenance-free bridge expansion device and a fixed side beam of the durable noise-reducing maintenance-free bridge expansion device;

E-H four preferred combination modes; the device comprises a single-slit type durable noise-reducing maintenance-free bridge expansion device, a multi-slit type durable noise-reducing maintenance-free bridge expansion device, a combined multi-slit type durable noise-reducing maintenance-free bridge expansion device and a double-slit type durable noise-reducing maintenance-free bridge expansion device;

I-K provides three independent protection monomers, namely a multidirectional shifting chain hinge structure, a multidirectional shifting chain structure, a single-seam bridge expansion device and a multi-seam bridge expansion device;

the first embodiment is as follows: subordinate to scheme a, in conjunction with fig. 3; scheme A: a middle beam of a uniwing durable noise-reduction maintenance-free bridge expansion device is characterized in that the middle beam of the durable noise-reduction maintenance-free bridge expansion device comprises middle beam profile steel, and the left side or the right side above the profile steel of the middle beam profile steel comprises a middle beam uniwing. The technical scheme of the invention has the following substantial technical effects and the realization process: the utility model provides a neotype well roof beam is individual, and this well roof beam is individual to contain the well roof beam single wing, consequently can follow the relative waterstop that seals of the top, compares in prior art, and the main having a bit is: 1. the upper part is sealed, and the noise reduction performance is better; 2. the hard seal is not easily broken. Compared with the prior art, the multi-layer water stop belt is mainly used, the cost is high, the noise reduction performance is poor, the sealing performance is poor, and the water stop belt is easy to damage as a rubber material. Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.

Example two, belonging to scheme a, in conjunction with fig. 3; as a further improvement or a juxtaposition, the center sill-shaped steel comprises a base below and a water stop accommodating part above, and the water stop accommodating part comprises center sill water stop accommodating holes 3 distributed on two sides of the center sill-shaped steel. The technical scheme of the invention has the following substantial technical effects and the realization process: the sealing function can be realized by installing a single-layer water stop at the lower middle beam water stop accommodating hole 3.

Example three, belonging to scheme a, in conjunction with fig. 3; as a further improvement or juxtaposition, the height of the single wing of the center sill is relatively higher than the plane above the center of the center sill. The technical scheme of the invention has the following substantial technical effects and the realization process: the height of the single wing of the middle beam is relatively higher than the plane above the middle part of the middle beam, so that the middle beams of the multiple single-wing durable noise-reducing maintenance-free bridge expansion device can be mutually overlapped in the overlapping process, multiple expansion spaces are reserved for the expansion of wing plates, and the installation environment of the middle beam is fully considered in the design.

Example four, belonging to scheme a, in conjunction with fig. 3; as a further improvement or juxtaposition, the right side of the centre sill singlet includes an inclined face. The technical scheme of the invention has the following substantial technical effects and the realization process: the inclined surface is convenient for guiding rainwater, the rainwater can be kept away from the bridge expansion device as far as possible, and the inclined structure can be prevented from being crushed by external force.

Example five, belonged to scheme a, in conjunction with figure 3; as a further improvement or a juxtaposition, the center sill water stop receiving hole 3 includes an upper protrusion and a lower protrusion, and the upper protrusion and the lower protrusion can relatively fix the edge of the water stop. The technical scheme of the invention has the following substantial technical effects and the realization process: go up arch 31 and lower arch 32 and can play better centre gripping effect to the waterstop border, avoid it to deviate from.

Scheme B:

example six, belonged to scheme B, in conjunction with FIG. 5; a double-wing durable noise-reduction maintenance-free bridge expansion device center sill is characterized in that the durable noise-reduction maintenance-free bridge expansion device center sill comprises center sill section steel, and center sill double wings 17 are arranged above the section steel of the center sill section steel. The technical scheme of the invention has the following substantial technical effects and the realization process: the utility model provides a neotype centre sill is individual, and this centre sill is individual to contain centre sill double wing 17, consequently can follow the relative waterstop that seals of the top, compares in prior art, and the main having a bit is: 1. the upper part is sealed, and the noise reduction performance is better; 2. the hard seal is not easy to be damaged; 3. meanwhile, the gap sealing can be carried out on the two sides; the device is more suitable for a bridge expansion device with small width, and compared with the prior art, the device mainly uses a multilayer water stop belt, the prior art has high cost, poor noise reduction performance and poor sealing performance, and the water stop belt is easy to damage as a rubber material. Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.

Example seven, subordinate to scheme B, in conjunction with figure 5; well roof beam shaped steel below contain the base, the top contains waterstop receiving part, waterstop receiving part contains the well roof beam waterstop receiving hole 3 that distributes in well roof beam shaped steel both sides. The technical scheme of the invention has the following substantial technical effects and the realization process: the sealing function can be realized by installing a single-layer water stop at the lower middle beam water stop accommodating hole 3.

Example eight, subordinate to scheme B, in conjunction with figure 5; the double wings 17 of the middle beam and the middle part of the middle beam form a whole smooth plane. The technical scheme of the invention has the following substantial technical effects and the realization process: the whole smooth plane is mainly characterized in that the center sill of the double-wing durable noise-reducing maintenance-free bridge expansion device is taken as a core structure, the surface is smooth and lapped, the stress performance is stable, the left and right parts are balanced, the middle part is smooth, and jolting is avoided for passing vehicles as far as possible.

Example nine, subordinate to scheme B, in conjunction with FIG. 5; the right side of the centre sill single wing comprises an inclined surface. The technical scheme of the invention has the following substantial technical effects and the realization process: the inclined surface is convenient for guiding rainwater, the rainwater can be kept away from the bridge expansion device as far as possible, and the inclined structure can be prevented from being crushed by external force.

Example ten, subordinate to scheme B, in conjunction with figure 5; the center sill water stop accommodating hole 3 comprises an upper bulge 31 and a lower bulge 32, and the upper bulge and the lower bulge can relatively fix the edge of the water stop. The technical scheme of the invention has the following substantial technical effects and the realization process: go up arch 31 and lower arch 32 and can play better centre gripping effect to the waterstop border, avoid it to deviate from.

Scheme C:

example eleven, subordinate to scheme C, in conjunction with figure 4; durable maintenance-free bridge telescoping device that makes an uproar that falls slip boundary beam, its characterized in that, durable maintenance-free bridge telescoping device boundary beam that makes an uproar that falls contains boundary beam shaped steel, and one side of the shaped steel top of boundary beam shaped steel contains boundary beam single wing 6. The technical scheme of the invention has the following substantial technical effects and the realization process: can seal the waterstop relatively from the top, compare prior art, main a bit is: 1. the upper part is sealed, and the noise reduction performance is better; 2. the hard seal is not easily broken. Compared with the prior art, the multi-layer water stop belt is mainly used, the cost is high, the noise reduction performance is poor, the sealing performance is poor, and the water stop belt is easy to damage as a rubber material. Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.

Example twelve, belonged to scheme C, in conjunction with figure 4; boundary beam shaped steel below contain the base, the top contains waterstop receiving part, waterstop receiving part contains boundary beam waterstop receiving hole 5. The technical scheme of the invention has the following substantial technical effects and the realization process: the technical scheme of the invention has the following substantial technical effects and the realization process: the sealing function can be realized by installing a single-layer water stop at the lower side beam water stop accommodating hole 5.

Example thirteen, subordinate to scheme C, combined with figure 4; the side of the side sill single wing 6 includes an inclined surface that gradually decreases outwardly from the centerline of the side sill steel section. The technical scheme of the invention has the following substantial technical effects and the realization process: the inclined surface is convenient for guiding rainwater, the rainwater can be kept away from the bridge expansion device as far as possible, and the inclined structure can be prevented from being crushed by external force.

Example fourteen, subordinate to scheme C, in conjunction with FIG. 4; the edge beam water stop containing hole 5 comprises an upper protrusion of the edge beam water stop containing hole and a lower protrusion of the edge beam water stop containing hole, and the upper protrusion 51 of the beam water stop containing hole and the lower protrusion 52 of the edge beam water stop containing hole can relatively fix the edge of the water stop. The technical scheme of the invention has the following substantial technical effects and the realization process: the upper bulge 51 of the beam water stop accommodating hole and the lower bulge 52 of the edge beam water stop accommodating hole can play a better clamping effect on the edge of the water stop and prevent the water stop from dropping off.

Scheme D:

example fifteen, subordinate to scheme D, in conjunction with element 12 of fig. 6 and 7; the fixed boundary beam of the durable noise-reduction maintenance-free bridge expansion device is characterized in that the fixed boundary beam of the durable noise-reduction maintenance-free bridge expansion device comprises boundary beam profile steel, and one side above the profile steel of the boundary beam profile steel is bent upwards. The technical scheme of the invention has the following substantial technical effects and the realization process: this scheme D mainly is for the realization of the three independent scheme in cooperation in front, in order to realize the combination of a plurality of schemes at rear, should bend upwards and reserve sufficient space for the flexible space of avris, lets the fixed boundary beam of the durable maintenance-free bridge telescoping device of making an uproar of falling of this embodiment can fully fix with the concrete again.

Example sixteen, subordinate to scheme D, in conjunction with component 12 in fig. 6 and 7; boundary beam shaped steel below contain the base, the top contains waterstop receiving part, waterstop receiving part contains boundary beam waterstop accommodation hole. The technical scheme of the invention has the following substantial technical effects and the realization process: the edge beam waterstop accommodating hole is used for installing a single-layer waterstop.

Scheme E:

example seventeen, subordinate to scheme E, taken together with figure 6, figure 7, figure 4 and figure 1;

The technical scheme of the invention has the following substantial technical effects and the realization process: the boundary beam single wing 6 can block a bridge gap between the sliding boundary beam 4 of the durable noise-reducing maintenance-free bridge expansion device and the fixed boundary beam 12 of the durable noise-reducing maintenance-free bridge expansion device, hard sealing is realized at the top, and 1, the upper sealing noise-reducing performance is better; 2. the hard seal is not easily broken. Compared with the prior art, the multi-layer water stop belt is mainly used, the cost is high, the noise reduction performance is poor, the sealing performance is poor, and the water stop belt is easy to damage as a rubber material. And equivalently, a relatively independent water stop installation environment is constructed, and sundries can be prevented from entering the water stop.

Example eighteen, subordinate to scheme E, with reference to figures 6, 7, 4 and 1;

durable non-maintaining bridge telescoping device of making an uproar that falls slides boundary beam 4 and durable non-maintaining bridge telescoping device of making an uproar that falls fixes boundary beam 12 below and contains boundary beam avris recess separately, still contains the whole anchor board 10 of one more strenghthened type, the whole anchor board 10 of strenghthened type and embedded steel bar integration preparation or prewelding be whole, the whole anchor board 10 avris of strenghthened type contain the protruding and below support part of anchor board tip, during the protruding boundary beam avris recess that can agree with of anchor board tip, the protruding and below support part two of anchor board tip can hold into the bottom that boundary beam avris one side protrusion comes. The technical scheme of the invention has the following substantial technical effects and the realization process: after the reinforced integral anchoring plate is matched with the embedded steel bars, the whole body is seamless and tighter, and the phenomena of separation and the like can not occur; meanwhile, in the present embodiment: the reinforced integral anchoring plate is matched with the edge beam more tightly.

Example nineteen, subordinate to scheme E, in conjunction with fig. 6, 7, 4 and 1;

the reinforced integrated anchoring plate 10 comprises more than one round hole and/or square hole; the upper surface of the reinforced integral anchoring plate 10 is an inclined surface. The technical scheme of the invention has the following substantial technical effects and the realization process: the circular port and/or the quad slit of the scheme of this department are for passing through the reinforcing bar, and original anchor plate is the confined whole, must cut off the reinforcing bar during the installation, consume the manpower, and the site operation is difficult, and is very troublesome.

Scheme F:

example twenty, belonging to scheme F, in conjunction with fig. 2, 3, 4;

the boundary beam single wing 6 is lapped on the upper plane of the middle beam 1 of a single wing durable noise-reducing maintenance-free bridge expansion device, and the middle beam single wings of the middle beam 1 of the single wing durable noise-reducing maintenance-free bridge expansion device are sequentially lapped on the upper plane of the middle beam 1 of the adjacent single wing durable noise-reducing maintenance-free bridge expansion device; the last middle beam 1 of the single-wing durable noise-reducing maintenance-free bridge expansion device is lapped on the upper plane of the fixed side beam 12 of the durable noise-reducing maintenance-free bridge expansion device; a plurality of telescopic spaces are formed for the single wings 6 of the side beams and the single wings of the middle beam to perform telescopic activities. The technical scheme of the invention has the following substantial technical effects and the realization process: the bridge expansion device is suitable for a relatively large use scene, hard sealing is realized at the top, and 1, the upper sealing and noise reduction performance is better; 2. the hard seal is not easily broken. Compared with the prior art, the multi-layer water stop belt is mainly used, the cost is high, the noise reduction performance is poor, the sealing performance is poor, and the water stop belt is easy to damage as a rubber material. And equivalently, a relatively independent water stop installation environment is constructed, and sundries can be prevented from entering the water stop.

Example twenty one, belonging to scheme F, in conjunction with fig. 2, 3, 4;

Example twenty-two, belonging to scheme F, in conjunction with fig. 2, 3, 4;

Example twenty three, belonging to scheme F, in conjunction with fig. 2, fig. 3, fig. 4, fig. 10; the sliding boundary beam 4 of the durable noise-reducing maintenance-free bridge expansion device and the fixed boundary beam 12 of the durable noise-reducing maintenance-free bridge expansion device are respectively arranged in post-cast concrete on beam bodies on two sides of the bridge expansion device, the post-cast concrete on the beam bodies on two sides of the bridge expansion device also respectively comprise a displacement box 15 and a supporting cross beam 14 of which two ends are arranged in the two displacement boxes; the middle beam 1 of the more than one single-wing durable noise-reducing maintenance-free bridge expansion device is arranged on the supporting cross beam 14.

The technical scheme of the invention has the following substantial technical effects and the realization process: the bridge of both sides drives the displacement case and removes occasionally, and middle supporting beam and well roof beam are relatively motionless, and the scheme of this department is still neotype bridge telescoping device structure.

Example twenty-four, belonging to scheme F, in conjunction with fig. 2, fig. 3, fig. 4, fig. 10; the supporting beam 14 comprises an upper sliding support 19 above the two displacement boxes, the supporting beam 14 comprises a lower sliding support 21 below the two displacement boxes, and limit stops 20 are arranged on the left side and the right side of the displacement boxes and can limit the displacement range of the supporting beam. The technical scheme of the invention has the following substantial technical effects and the realization process: the upper sliding support 19 and the lower sliding support 21 are preferably steel plates, which facilitate sliding and relatively reduce friction.

Example twenty-five, subordinate to scheme F, in conjunction with fig. 2, 3, 4, 11; the noise-reducing and noise-reducing bridge expansion device comprises a plurality of chains, wherein the chains are respectively connected with a sliding boundary beam 4 of the noise-reducing and maintenance-free bridge expansion device, a middle beam 1 of the single-wing noise-reducing and maintenance-free bridge expansion device and a fixed boundary beam 12 of the noise-reducing and maintenance-free bridge expansion device in sequence.

Scheme G:

example twenty-six, subordinate to scheme G, in conjunction with fig. 9, 5, 3; the combined multi-slit type durable noise-reducing maintenance-free bridge expansion device is characterized by comprising durable noise-reducing maintenance-free bridge expansion device fixed side beams 12 which are distributed in a mirror image manner, a double-wing durable noise-reducing maintenance-free bridge expansion device middle beam 16 positioned between the two durable noise-reducing maintenance-free bridge expansion device fixed side beams 12, and more than one single-wing durable noise-reducing maintenance-free bridge expansion device middle beam 1;

The technical scheme of the invention has the following substantial technical effects and the realization process: the bridge expansion device is suitable for a relatively large use scene, hard sealing is realized at the top, and 1, the upper sealing and noise reduction performance is better; 2. the hard seal is not easily broken. Compared with the prior art, the multi-layer water stop belt is mainly used, the cost is high, the noise reduction performance is poor, the sealing performance is poor, and the water stop belt is easy to damage as a rubber material. And equivalently, a relatively independent water stop installation environment is constructed, and sundries can be prevented from entering the water stop.

Example twenty-seventh, subordinate to scheme G, with reference to fig. 9, 5, 3; the fixed boundary beam 12 below of durable noise reduction non-maintaining bridge telescoping device contains boundary beam avris recess, still contains the whole anchor board 10 of more than one strenghthened type, the whole anchor board 10 of strenghthened type and embedded steel integration preparation or prewelding be whole, the whole anchor board 10 avris of strenghthened type contain the protruding and below support portion of anchor board tip, during the protruding boundary beam avris recess that can agree with of anchor board tip, the protruding and below support portion two of anchor board tip can hold the bottom that boundary beam avris one side protrusion comes into. The technical scheme of the invention has the following substantial technical effects and the realization process: after the reinforced integral anchoring plate is matched with the embedded steel bars, the whole body is seamless and tighter, and the phenomena of separation and the like can not occur; meanwhile, in the present embodiment: the reinforced integral anchoring plate is matched with the edge beam more tightly.

The twenty-eight embodiment belongs to the scheme G, and is combined with the figures 9, 5 and 3; the reinforced integrated anchoring plate 10 comprises more than one round hole and/or square hole; the upper surface of the reinforced integral anchoring plate 10 is an inclined surface. The technical scheme of the invention has the following substantial technical effects and the realization process: the circular port and/or the quad slit of the scheme of this department are for passing through the reinforcing bar, and original anchor plate is the confined whole, must cut off the reinforcing bar during the installation, consume the manpower, and the site operation is difficult, and is very troublesome.

Example twenty-nine, subordinate to scheme G, in conjunction with fig. 9, fig. 10, fig. 5, fig. 3; the fixed side beams 12 of the durable noise-reducing maintenance-free bridge expansion device which are in mirror image with each other are respectively arranged in post-cast concrete on beam bodies on two sides of the bridge expansion device, the post-cast concrete on the beam bodies on the two sides of the bridge expansion device also respectively comprise a displacement box 15 and a supporting cross beam 14 of which two ends are arranged in the two displacement boxes; the middle beam 1 of the more than one single-wing durable noise-reducing maintenance-free bridge expansion device is arranged on the supporting cross beam 14. The technical scheme of the invention has the following substantial technical effects and the realization process: the bridge of both sides drives the displacement case and removes occasionally, and middle supporting beam and well roof beam are relatively motionless, and the scheme of this department is still neotype bridge telescoping device structure.

Thirty embodiments, which belong to scheme G, in conjunction with fig. 9, 10, 5, 3; the supporting beam 14 comprises an upper sliding support 19 above the two displacement boxes, the supporting beam 14 comprises a lower sliding support 21 below the two displacement boxes, and limit stops 20 are arranged on the left side and the right side of the displacement boxes and can limit the displacement range of the supporting beam. The technical scheme of the invention has the following substantial technical effects and the realization process: the upper sliding support 19 and the lower sliding support 21 are preferably steel plates, which facilitate sliding and relatively reduce friction.

Example thirty-one, subordinate to scheme G, in conjunction with fig. 9, fig. 10, fig. 5, fig. 3; the noise-reducing maintenance-free bridge expansion device comprises a plurality of chains, wherein the chains are respectively and sequentially connected with a durable noise-reducing maintenance-free bridge expansion device fixing boundary beam 12, a double-wing durable noise-reducing maintenance-free bridge expansion device middle beam 16 positioned between two durable noise-reducing maintenance-free bridge expansion device fixing boundary beams 12, more than one single-wing durable noise-reducing maintenance-free bridge expansion device middle beam 1 and more than one durable noise-reducing maintenance-free bridge expansion device fixing boundary beam 12.

Scheme H:

example thirty-two, subordinate to scheme H, in conjunction with figure 8; the double-slit type durable noise-reducing maintenance-free bridge expansion device is characterized by comprising durable noise-reducing maintenance-free bridge expansion device fixed side beams 12 which are distributed in a mirror image manner, and a double-wing durable noise-reducing maintenance-free bridge expansion device middle beam 16 positioned between the two durable noise-reducing maintenance-free bridge expansion device fixed side beams 12;

The technical scheme of the invention has the following substantial technical effects and the realization process: the utility model provides a neotype centre sill is individual, and this centre sill is individual to contain centre sill double wing 17, consequently can follow the relative waterstop that seals of the top, compares in prior art, and the main having a bit is: 1. the upper part is sealed, and the noise reduction performance is better; 2. the hard seal is not easy to be damaged; 3. meanwhile, the gap sealing can be carried out on the two sides; the device is more suitable for a bridge expansion device with small width, and compared with the prior art, the device mainly uses a multilayer water stop belt, the prior art has high cost, poor noise reduction performance and poor sealing performance, and the water stop belt is easy to damage as a rubber material. Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.

Example thirty-three, subordinate to scheme H, in conjunction with figure 8; the fixed boundary beam 12 below of durable noise reduction non-maintaining bridge telescoping device contains boundary beam avris recess, still contains the whole anchor board 10 of more than one strenghthened type, the whole anchor board 10 of strenghthened type and embedded steel integration preparation or prewelding be whole, the whole anchor board 10 avris of strenghthened type contain the protruding and below support portion of anchor board tip, during the protruding boundary beam avris recess that can agree with of anchor board tip, the protruding and below support portion two of anchor board tip can hold the bottom that boundary beam avris one side protrusion comes into. The technical scheme of the invention has the following substantial technical effects and the realization process: after the reinforced integral anchoring plate is matched with the embedded steel bars, the whole body is seamless and tighter, and the phenomena of separation and the like can not occur; meanwhile, in the present embodiment: the reinforced integral anchoring plate is matched with the edge beam more tightly.

Example thirty-four, subordinate to scheme H, in conjunction with FIG. 8; the reinforced integrated anchoring plate 10 comprises more than one round hole and/or square hole; the upper surface of the reinforced integral anchoring plate 10 is an inclined surface. The technical scheme of the invention has the following substantial technical effects and the realization process: the circular port and/or the quad slit of the scheme of this department are for passing through the reinforcing bar, and original anchor plate is the confined whole, must cut off the reinforcing bar during the installation, consume the manpower, and the site operation is difficult, and is very troublesome.

Example thirty-five, subordinate to scheme H, in conjunction with figure 8; the fixed side beams 12 of the durable noise-reducing maintenance-free bridge expansion device which are in mirror image with each other are respectively arranged in post-cast concrete on beam bodies on two sides of the bridge expansion device, the post-cast concrete on the beam bodies on the two sides of the bridge expansion device also respectively comprise a displacement box 15 and a supporting cross beam 14 of which two ends are arranged in the two displacement boxes; the middle beam 1 of the more than one single-wing durable noise-reducing maintenance-free bridge expansion device is arranged on the supporting cross beam 14. The technical scheme of the invention has the following substantial technical effects and the realization process: the bridge of both sides drives the displacement case and removes occasionally, and middle supporting beam and well roof beam are relatively motionless, and the scheme of this department is still neotype bridge telescoping device structure.

Example thirty-six, subordinate to scheme H, in conjunction with fig. 8, 10; the supporting beam 14 comprises an upper sliding support 19 above the two displacement boxes, the supporting beam 14 comprises a lower sliding support 21 below the two displacement boxes, and limit stops 20 are arranged on the left side and the right side of the displacement boxes and can limit the displacement range of the supporting beam. The technical scheme of the invention has the following substantial technical effects and the realization process: the upper sliding support 19 and the lower sliding support 21 are preferably steel plates, which facilitate sliding and relatively reduce friction.

Example thirty-seven, subordinate to scheme H, in conjunction with fig. 8, 10, 11; the noise-reducing and noise-reducing bridge expansion device further comprises more than one group of chains, wherein the more than one group of chains are respectively and sequentially connected with the fixed boundary beam 12 of the noise-reducing and maintenance-free bridge expansion device and the middle beam 16 of the double-wing noise-reducing and maintenance-free bridge expansion device, which is positioned between the fixed boundary beams 12 of the two noise-reducing and maintenance-free bridge expansion devices.

Scheme I:

example thirty-eight, subordinate to scheme I, in conjunction with figures 11 and 12; the multi-directional shift chain hinge structure is characterized in that the chain hinge structure comprises a hinge unit, the hinge unit comprises a vertical shaft, a hinge upper connecting piece 222 and a hinge lower connecting piece 225 can be placed on the vertical shaft respectively, the upper connecting piece 222 and the lower connecting piece 225 respectively comprise holes, the vertical shaft penetrates through the holes, and a gap exists between the vertical shaft and the holes so that the upper connecting piece 222 and the lower connecting piece 225 can move up and down relatively around the vertical shaft. The technical scheme of the invention has the following substantial technical effects and the realization process: the unit of the chain is assembled into a core structure of the chain and is also the key point of partial improvement of the chain; the original chain has no possibility of relative movement and movement up and down. The unit of this patent has such an effect.

Example thirty-nine, subordinate to scheme I, in conjunction with figures 11 and 12; the vertical shaft is a bolt shaft, a nut is arranged below the vertical shaft, a bolt head is arranged above the vertical shaft, and the vertical shaft can be welded on the boundary beam and/or the middle beam. The technical scheme of the invention has the following substantial technical effects and the realization process: the vertical shaft can be a bolt shaft and a polished rod shaft, and the structure can be relatively realized.

Example forty, subordinate to scheme I, in conjunction with figures 11 and 12; a middle gasket is further included between the upper connecting member 222 and the lower connecting member 225, and the middle gasket is made of rubber. The technical scheme of the invention has the following substantial technical effects and the realization process: the gasket is further preferred over no gasket to protect the overall structure from excessive rigid compression and damage.

Example forty one, subordinate to scheme I, in conjunction with fig. 11 and 12; the vertical shaft comprises two dimensions, one longer and one shorter. The technical scheme of the invention has the following substantial technical effects and the realization process: this embodiment is a further modification of embodiment forty.

Scheme J:

example forty two, subordinate to scheme J, in conjunction with figures 11 and 12; the multidirectional shifting chain structure is characterized in that the chain can horizontally stretch and retract and can relatively move up and down, and comprises a plurality of groups of chain hinge units;

a plurality of upper connectors 222 and lower connectors 225 couple together a plurality of juxtaposed vertical shafts. The technical scheme of the invention has the following substantial technical effects and the realization process: scenario J of this example is a separate scenario, further broadening the scope in the mode of scenario I. The specific structure refers to fig. 12; as a further improvement: the plurality of parallel vertical shafts comprise two sizes, one longer and one shorter; the longer two are located at the sides, the longer vertical shaft can be welded at the bottom of the side beam, and all or part of the shorter vertical shaft can be welded at the bottom of the middle beam.

Scheme K:

example forty-three, belonging to scheme K, with reference to fig. 12, a single slot bridge expansion device, comprising two side beams, characterized in that chains are installed under the two side beams,

the chain is welded between two adjacent bearing beams and is connected with the bottom of the edge beam. The technical scheme of the invention has the following substantial technical effects and the realization process: this patent provides specific fixed mode and position for when the chain has regulation and control horizontal displacement, still can be when the boundary beam subsides with other shaped steel not uniform, play vertical motion's effect.

Embodiment forty-four, belonging to scheme K, and referring to fig. 12 and 13, a multi-slot bridge expansion device comprises two edge beams, and a middle beam is arranged between the two edge beams; chains are arranged below the two side beams and the middle beam;

the chain is welded between two adjacent bearing beams and is connected with the bottom of the edge beam and the bottom of the middle beam. The technical scheme of the invention has the following substantial technical effects and the realization process: especially, combine fig. 13, this patent provides concrete fixed mode and position for the chain has regulation and control horizontal displacement, still can play vertical motion's effect when well roof beam or boundary beam and other shaped steel subside not the same time.

Embodiment forty-five, the method for applying the durable noise-reducing maintenance-free bridge expansion device is characterized in that one or more combinations of the middle beam of the double-wing durable noise-reducing maintenance-free bridge expansion device, the fixed side beam of the durable noise-reducing maintenance-free bridge expansion device, the sliding side beam of the durable noise-reducing maintenance-free bridge expansion device and the middle beam of the single-wing durable noise-reducing maintenance-free bridge expansion device in the above embodiments are used for blocking the gap of the bridge; the sound waves entering bridge gaps are reduced to vibrate, so that the noise surge of the bridge is reduced; meanwhile, water entering the water stop belt is reduced or stopped, and the bottom of a gap of the bridge is protected.

Embodiment forty six, the method of multidirectional displacement of making an uproar falls in bridge telescoping device, utilize the bridge telescoping device as described in each embodiment above, the chain except can the level along with the bridge telescoping device warp flexible, guarantee holistic linkage performance and increase strength, if vertical displacement appears, can adapt to the displacement of vertical direction, the chain can not break for the chain is the multidirectional chain that shifts.

Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure. It is important to note that the present patent may prefer a fillet mode, i.e. all the steel shapes presented herein may be designed with fillets, which has the outstanding advantage that high speed vehicles do not harm the tires during driving, and do not harm workers during installation.

Embodiment forty-seven, with reference to fig. 19 to 21, the gap between the section steels is the noise reduction blocking channel 101, and the noise reduction blocking channel 101 includes a plurality of first blocking sheets a and second blocking sheets B distributed at intervals, and the plurality of first blocking sheets a and second blocking sheets B distributed at intervals can block the transmission of noise in the noise reduction blocking channel 101. The technical scheme of the invention has the following substantial technical effects and the realization process: for original structure, this patent pioneering nature will fall and separate into a plurality of spaces in the separation passageway 101 of making an uproar, cuts the sound wave from vertically going up, avoids the transmission of vibrations, and the separation piece is the rubber material, does not influence the motion each other between the section bar. This embodiment is an inventive structure.

Example forty-eight, with reference to fig. 19-21, the first barrier sheet a and the second barrier sheet B are integrally formed on the waterstop. The technical scheme of the invention has the following substantial technical effects and the realization process: the embodiment is not shown in the attached drawings, but the patent can also be an independent water stop belt, namely the water stop belt, and a plurality of first barrier sheets A and second barrier sheets B which are distributed at intervals are integrally manufactured on the water stop belt.

In example forty-nine, referring to fig. 20, the first blocking plate a and the second blocking plate B are respectively arranged on the section steels on both sides of the bridge gap. The technical scheme of the invention has the following substantial technical effects and the realization process: there is an implementation parallel to example forty-eight.

Example fifty, with reference to fig. 21, the upper side of the waterstop comprises first upper barrier panel a1 and second upper barrier panel B1, and the lower side of the waterstop comprises second upper barrier panel a2 and second lower barrier panel B2. The technical scheme of the invention has the following substantial technical effects and the realization process: the upper part is blocked, and the lower part is also blocked.

In fifty-one embodiment, the first upper blocking piece a1 and the second upper blocking piece B1 are both obliquely arranged, so that the water stop can be protected against substances falling from above. The technical scheme of the invention has the following substantial technical effects and the realization process: a plurality of upper separation plates A1 and upper separation plates B1 are arranged in parallel, so that sundries can be guided, in case of entering of stones and other substances, the water stop cannot be directly impacted, and the water stop is prevented from being punctured. Can play a role in guiding and reducing the impact force. Is an open type protection structure. Has the dual functions of noise reduction and protection.

The technical effect that above structure was realized realizes clearly, if do not consider additional technical scheme, this patent name can also be synthesize bridge telescoping device structure. Some details are not shown in the figures.

It should be noted that the plurality of schemes provided in this patent include their own basic schemes, which are independent of each other and are not restricted to each other, but they may be combined with each other without conflict, so as to achieve a plurality of effects.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is to be limited to the embodiments described above.

Claims

1. A method for applying a durable noise-reducing maintenance-free bridge expansion device is characterized in that,

contain durable noise reduction non-maintaining bridge telescoping device shaped steel, this shaped steel is the combination of one or more of following arbitrary structure:

the durable non-maintaining bridge telescoping device center sill that makes an uproar that falls of double wing: the middle beam of the durable noise-reducing maintenance-free bridge expansion device comprises middle beam profile steel, and middle beam double wings (17) are arranged above the profile steel of the middle beam profile steel;

durable noise reduction non-maintaining bridge telescoping device fixes boundary beam: the fixed boundary beam of the durable noise-reducing maintenance-free bridge expansion device comprises boundary beam profile steel, and one side above the profile steel of the boundary beam profile steel is bent upwards;

durable noise reduction non-maintaining bridge telescoping device slip boundary beam: the edge beam of the durable noise-reducing maintenance-free bridge expansion device comprises edge beam profile steel, and one side above the profile steel of the edge beam profile steel comprises an edge beam single wing (6);

the durable non-maintaining bridge telescoping device center sill that makes an uproar that falls of single wing: the middle beam of the durable noise-reducing maintenance-free bridge expansion device comprises middle beam profile steel, and the left side or the right side above the profile steel of the middle beam profile steel comprises a middle beam single wing;

the bridge gap is blocked by utilizing one or a combination of a plurality of the double-wing durable noise-reducing maintenance-free bridge expansion device middle beam, the durable noise-reducing maintenance-free bridge expansion device fixed edge beam, the durable noise-reducing maintenance-free bridge expansion device sliding edge beam and the single-wing durable noise-reducing maintenance-free bridge expansion device middle beam; the sound waves entering bridge gaps are reduced to vibrate, so that the noise surge of the bridge is reduced; meanwhile, water entering the water stop belt is reduced or eliminated, and the bottom of a gap of the bridge is protected;

gaps among the profile steels are noise reduction blocking passages (101), the noise reduction blocking passages (101) comprise a plurality of first blocking sheets (A) and second blocking sheets (B) which are distributed at intervals, and the plurality of first blocking sheets (A) and the plurality of second blocking sheets (B) which are distributed at intervals can block noise from spreading in the noise reduction blocking passages (101);

the first blocking sheet (A) and the second blocking sheet (B) are respectively arranged on the profile steels on two sides of the bridge gap;

the upper part of the waterstop comprises a first upper blocking sheet (A1) and a second upper blocking sheet (B1), and the lower part of the waterstop comprises a second upper blocking sheet (A2) and a second lower blocking sheet (B2);

the upper blocking piece I (A1) and the upper blocking piece II (B1) are obliquely arranged, so that substances falling from the upper side can be blocked relatively to protect the water stop belt.

2. The method of claim 1, wherein a plurality of said bridge expansion devices are combined into any of the following bridge expansion devices;

make up the durable maintenance-free bridge telescoping device that makes an uproar that falls of many seam formulas: the noise-reducing maintenance-free bridge expansion device comprises a durable noise-reducing maintenance-free bridge expansion device fixing edge beam (12) which is distributed in a mirror image manner, a double-wing durable noise-reducing maintenance-free bridge expansion device middle beam (16) which is positioned between the two durable noise-reducing maintenance-free bridge expansion device fixing edge beams (12), and more than one single-wing durable noise-reducing maintenance-free bridge expansion device middle beam (1); the fixed boundary beam of the durable noise-reducing maintenance-free bridge expansion device comprises boundary beam profile steel, and one side above the profile steel of the boundary beam profile steel is bent upwards; the middle beam of the durable noise-reducing maintenance-free bridge expansion device comprises middle beam profile steel, and middle beam double wings (17) are arranged above the profile steel of the middle beam profile steel; the middle beam of the durable noise-reducing maintenance-free bridge expansion device comprises middle beam profile steel, and the left side or the right side above the profile steel of the middle beam profile steel comprises a middle beam single wing; one middle beam double-wing lap joint of the middle beam of the durable noise-reducing maintenance-free bridge expansion device is connected to a fixed side beam of the durable noise-reducing maintenance-free bridge expansion device, and the other middle beam double-wing lap joint is connected to the upper plane of the middle beam (1) of the adjacent single-wing durable noise-reducing maintenance-free bridge expansion device; the last middle beam (1) of the single-wing durable noise-reducing maintenance-free bridge expansion device is lapped on the upper plane of a fixed side beam (12) of the durable noise-reducing maintenance-free bridge expansion device; a plurality of telescopic spaces are formed for the telescopic movement of the double wings of the middle beam and the single wing of the middle beam;

durable non-maintaining bridge telescoping device that makes an uproar that falls of double slit formula: the noise-reducing maintenance-free bridge expansion device comprises a durable noise-reducing maintenance-free bridge expansion device fixing edge beam (12) which is distributed in a mirror image manner, and a double-wing durable noise-reducing maintenance-free bridge expansion device middle beam (16) which is positioned between the two durable noise-reducing maintenance-free bridge expansion device fixing edge beams (12); the fixed boundary beam of the durable noise-reducing maintenance-free bridge expansion device comprises boundary beam profile steel, and one side above the profile steel of the boundary beam profile steel is bent upwards; the middle beam of the durable noise-reducing maintenance-free bridge expansion device comprises middle beam profile steel, and middle beam double wings (17) are arranged above the profile steel of the middle beam profile steel;

one middle beam double wing of the middle beam of the durable noise-reducing maintenance-free bridge expansion device is respectively lapped on one fixed side beam of the durable noise-reducing maintenance-free bridge expansion device; two telescopic spaces are formed for the middle beam double wings to perform telescopic movement;

durable non-maintaining bridge telescoping device that makes an uproar that falls of many seam formulas: the noise-reducing maintenance-free bridge expansion device comprises a sliding boundary beam (4) of a matched durable noise-reducing maintenance-free bridge expansion device, more than one middle beam (1) of a single-wing durable noise-reducing maintenance-free bridge expansion device and a fixed boundary beam (12) of the durable noise-reducing maintenance-free bridge expansion device; the side beam (4) of the durable noise-reducing maintenance-free bridge expansion device comprises side beam profile steel, and one side above the profile steel of the side beam profile steel comprises a side beam single wing (6); the middle beam of the durable noise-reducing maintenance-free bridge expansion device comprises middle beam profile steel, and the left side or the right side above the profile steel of the middle beam profile steel comprises a middle beam single wing; the fixed boundary beam of the durable noise-reducing maintenance-free bridge expansion device comprises boundary beam profile steel, and one side above the profile steel of the boundary beam profile steel is bent upwards; the boundary beam single wing (6) is lapped on the upper plane of the middle beam (1) of the single-wing durable noise-reducing maintenance-free bridge expansion device, and the middle beam single wings of the middle beam (1) of the single-wing durable noise-reducing maintenance-free bridge expansion device are sequentially lapped on the upper plane of the middle beam (1) of the adjacent single-wing durable noise-reducing maintenance-free bridge expansion device; the last middle beam (1) of the single-wing durable noise-reducing maintenance-free bridge expansion device is lapped on the upper plane of a fixed side beam (12) of the durable noise-reducing maintenance-free bridge expansion device; a plurality of telescopic spaces are formed for the single wings (6) of the side beams and the single wings of the middle beam to perform telescopic movement;

durable non-maintaining bridge telescoping device that makes an uproar that falls of single seam formula: the noise-reducing maintenance-free bridge expansion device comprises a sliding edge beam (4) of the noise-reducing maintenance-free bridge expansion device and a fixed edge beam (12) of the noise-reducing maintenance-free bridge expansion device which are matched; the edge beam of the durable noise-reducing maintenance-free bridge expansion device comprises edge beam profile steel, and one side above the profile steel of the edge beam profile steel comprises an edge beam single wing (6); the fixed boundary beam of the durable noise-reducing maintenance-free bridge expansion device comprises boundary beam profile steel, and one side above the profile steel of the boundary beam profile steel is bent upwards; the boundary beam single wing (6) can block a bridge gap between the sliding boundary beam (4) of the durable noise-reducing maintenance-free bridge expansion device and the fixed boundary beam (12) of the durable noise-reducing maintenance-free bridge expansion device, the side of the boundary beam single wing (6) is lapped on the upper plane of the fixed boundary beam (12) of the durable noise-reducing maintenance-free bridge expansion device, and the end part of the boundary beam single wing (6) and a bending space are contained.

3. The method for applying the durable noise-reducing maintenance-free bridge expansion device according to claim 1, wherein if the device is a single-slot bridge expansion device, chains are arranged below two side beams of the single-slot bridge expansion device, and if the device is a multi-slot bridge expansion device, chains are arranged below the side beams and the center beam of the multi-slot bridge expansion device;

the chain can horizontally stretch and retract and can relatively move up and down, and comprises a plurality of groups of chain hinge structures; the chain hinge structure comprises a hinge unit, the hinge unit comprises a vertical shaft, a hinge upper connecting piece (222) and a hinge lower connecting piece (225) can be placed on the vertical shaft respectively, the upper connecting piece (222) and the lower connecting piece (225) respectively comprise holes, the vertical shaft penetrates through the holes, and a gap exists between the vertical shaft and the holes so that the upper connecting piece (222) and the lower connecting piece (225) can have a space for moving up and down relative to the vertical shaft;

a plurality of upper connectors (222) and lower connectors (225) connect a plurality of juxtaposed vertical shafts together;

4. The method for applying the durable noise-reducing maintenance-free bridge expansion device as claimed in claim 3, wherein the chain can horizontally deform and expand along with the bridge expansion device to ensure the integral linkage performance and increase the strength, and can adapt to the vertical displacement if vertical displacement occurs, so that the chain is not broken, and the chain is a multi-directional displacement chain.

5. A method for applying a durable noise-reducing maintenance-free bridge expansion device is characterized in that,

the first barrier sheet (A) and the second barrier sheet (B) are integrally manufactured on the water stop belt.