CN213867317U

CN213867317U - Light comprehensive bridge expansion device

Info

Publication number: CN213867317U
Application number: CN202022172234.8U
Authority: CN
Inventors: 朱军超; 单文康; 王云枫; 张维维; 王晓辉; 杨宁康; 杨博; 王景常; 高树明
Original assignee: Hebei Wanyi Traffic Facilities Co ltd
Current assignee: Hebei Wanyi Traffic Facilities Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-08-03
Anticipated expiration: 2030-09-28

Abstract

The utility model relates to a bridge telescoping device field especially relates to a bridge telescoping device is synthesized to light. The bridge expansion device is a large-displacement bridge expansion device or a small-displacement bridge expansion device; the large-displacement bridge expansion device comprises edge beams on two sides and more than one middle beam in the middle of the edge beams, and the small-displacement bridge expansion device comprises two edge beams; the edge beam is a light edge beam with holes, and comprises an edge beam body, wherein the edge beam body comprises more than one edge beam middle hole; the center sill comprises a center sill body, and the center sill body comprises more than one center sill middle hole. Because light, easy to maintain, save cost, agree with well, not fragile, can not take place the side irrigation, longe-lived.

Description

Light comprehensive bridge expansion device

Technical Field

The utility model relates to a bridge telescoping device field especially relates to a bridge telescoping device is synthesized to light.

Background

With the development of the traffic industry of China, the traffic flow and the vehicle load are increased day by day, and the prior art can not meet the stress requirement of the bridge at the present stage:

1. the weight is too large, the transportation is difficult, the waste is just about, the maintenance is difficult, and the installation is difficult;

2. are easy to damage;

3. when the heights of the two sides of the expansion joint are not consistent, side irrigation may occur, and the service life of the section bar is influenced;

4. the water stop belt made of rubber is often damaged;

5. the edge beams are easily crushed.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is that: in order to provide a light comprehensive bridge expansion device with better effect, the concrete purpose is seen in a plurality of substantial technical effects of the concrete implementation part.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the first scheme is as follows:

the utility model provides a foraminiferous light boundary beam, its characterized in that, boundary beam contain the boundary beam body, contain more than one boundary beam middle part hole 3 in the boundary beam body.

The utility model discloses a further technical scheme lies in, boundary beam middle part hole contain two, two boundary beam middle part holes 3 are the ellipse.

The utility model discloses a further technical scheme lies in, two vertical distributions of oval of boundary beam middle part hole 3, a horizontal distribution.

The utility model discloses a further technical scheme lies in, the boundary beam body be Z style of calligraphy boundary beam, its left side contains the recess that can imbed the concrete, top and below contain the wall that the level extends.

The utility model discloses a further technical scheme lies in, boundary beam body right side contain and contain two waterstops and hold the recess.

The utility model has the further technical proposal that the right side above the boundary beam body comprises a boundary beam upper end part 11, and the boundary beam upper end part 11 is of a similar right-angle structure or an arc-shaped part; the curved portion prevents the body from being directly pressed to pry the edge beam from the concrete when passing over the surface of the edge beam.

The utility model discloses a further technical scheme lies in, the boundary beam body on contain anti-skidding decorative pattern.

The utility model discloses a further technical scheme lies in, anti-skidding decorative pattern be wave or vertical shape or for the cross shape.

The further technical proposal of the utility model is that the groove which can be embedded into the concrete can also be matched with the anchoring plate; the body of the edge beam contains protruding objects towards the direction of the groove in which the concrete can be embedded.

The utility model discloses a further technical scheme lies in, should stretch out article embedding concrete or agree with the anchor board, contains the corresponding agreeing with mouth when agreeing with the anchor board on the anchor board.

Scheme II:

the stainless steel waterstop is characterized in that the stainless steel waterstop is integrally manufactured and made of stainless steel, and the stainless steel waterstop can deform to adapt to the expansion of an expansion joint; the two sides of the stainless steel waterstop can be arranged in the waterstop accommodating groove of the side beam or the middle beam.

The utility model adopts the further technical proposal that the middle part of the stainless steel water stop is a downward concave part; and then extend from the central downward depression to both sides of the waterstop, with the extending segments being upward protrusions.

The utility model discloses a further technical scheme lies in, stainless steel waterstop thickness is less than five millimeters.

The utility model discloses a further technical scheme lies in, the both sides of stainless steel waterstop and waterstop hold the position of basis in the recess and contain the one deck rubber material, and rubber material heat seal is on stainless steel waterstop.

The utility model discloses a further technical scheme lies in, one side or both sides in the both sides of stainless steel waterstop contain the inflection, and the directional waterstop body of this inflection for prevent that water from getting into the waterstop and holding the recess.

A bridge expansion device using a stainless steel water stop is characterized in that,

the expansion joint comprises a stainless steel water stop belt which is integrally manufactured and made of stainless steel, and the stainless steel water stop belt can deform to adapt to the expansion of the expansion joint; both sides of the stainless steel waterstop can be arranged in the waterstop accommodating groove of the side beam or the middle beam;

the stainless steel water stop is arranged in a bridge expansion device, and the bridge expansion device is a large-displacement bridge expansion device or a small-displacement bridge expansion device;

the large-displacement bridge expansion device comprises two side beams on two sides and more than one middle beam in the middle of the side beams, and the small-displacement bridge expansion device comprises two side beams.

The utility model discloses a further technical scheme lies in, bridge telescoping device contain the waterstop more than the one deck, still contain the more than one rubber waterstop in the waterstop more than the one deck.

The third scheme is as follows:

the light center sill with the holes is characterized by comprising a center sill body, wherein the center sill body comprises more than one center sill middle hole 4.

The utility model discloses a further technical scheme lies in, well roof beam middle part hole contain two, two well roof beam middle part holes 4 are the ellipse.

The utility model discloses a further technical scheme lies in, two oval vertical distributions, a horizontal distribution of well roof beam middle part hole 4.

The utility model discloses a further technical scheme lies in, well roof beam body both sides all have the waterstop to hold the recess.

The utility model discloses a further technical scheme lies in, this physical stamina of well roof beam correspond the waterstop more than the one deck.

The utility model discloses a further technical scheme lies in, the center sill body on contain anti-skidding decorative pattern.

The utility model discloses a further technical scheme lies in, center sill body below contain vertical support part 13 or trapezoidal support part 14.

And the scheme is as follows:

the special side-irrigation-preventing water stop belt based on the ascending bridge expansion joint is characterized in that the water stop belt is of a non-axisymmetric structure, and the inclination degree or the thickness of the water stop belt towards two sides is inconsistent at the most middle position.

The utility model discloses a further technical scheme lies in, this waterstop is rubber material or metal material.

The utility model discloses a further technical scheme lies in, contains thickening portion 17 at an avris of this waterstop.

The utility model discloses a further technical scheme lies in, thickening part 17 can extrude the avris of boundary beam or well roof beam when the thickening part is installed at boundary beam or well roof beam.

And a fifth scheme:

a lightweight comprehensive bridge expansion device, which is characterized in that,

the bridge expansion device is a large-displacement bridge expansion device or a small-displacement bridge expansion device;

the large-displacement bridge expansion device comprises edge beams on two sides and more than one middle beam in the middle of the edge beams, and the small-displacement bridge expansion device comprises two edge beams;

the edge beam is a light edge beam with holes, and comprises an edge beam body, wherein the edge beam body comprises more than one edge beam middle hole 3;

the center sill comprises a center sill body, and the center sill body comprises more than one center sill middle hole 4.

The utility model has the further technical proposal that more than one stainless steel water stop is arranged in the bridge expansion device, the stainless steel water stop is manufactured integrally and made of stainless steel, and the stainless steel water stop can deform to adapt to the expansion and contraction of the expansion joint; the two sides of the stainless steel waterstop can be arranged in the waterstop accommodating groove of the side beam or the middle beam.

The utility model discloses a further technical scheme lies in, the center sill fix on supporting displacement system 12.

The utility model has the further technical proposal that the two middle holes of the boundary beam are oval 3; the ellipses of the middle holes 3 of the two boundary beams are vertically distributed and horizontally distributed; the side beam body is a Z-shaped side beam, the left side of the side beam body comprises a groove capable of being embedded with concrete, and the upper part and the lower part of the side beam body comprise horizontally extending walls; the right side of the boundary beam body comprises two water stop accommodating grooves; the upper right side of the side beam body comprises an upper end part 11 of the side beam, and the upper end part 11 of the side beam is of a similar right-angle structure or an arc-shaped part; the arc-shaped part ensures that the edge beam cannot be pried and separated from the concrete due to direct pressing when the vehicle body passes through the surface of the edge beam; the edge beam body comprises anti-skid patterns; the anti-skid patterns are wave-shaped, vertical or crossed; the groove capable of being embedded with concrete can also be matched with the anchoring plate; the edge beam body comprises a protruding object towards the direction of the groove capable of being embedded with the concrete; the protruding object is embedded into concrete or matched with the anchoring plate, and when the protruding object is matched with the anchoring plate, the anchoring plate comprises a corresponding matching opening.

The utility model has the further technical proposal that the middle holes of the middle beam comprise two middle holes, and the middle holes 4 of the two middle beams are both oval; the ellipses of the middle holes 4 of the two middle beams are vertically distributed and horizontally distributed; both sides of the middle beam body are provided with water stop accommodating grooves; the middle beam body can correspond to more than one layer of water stop belts; the middle beam body comprises anti-skid patterns; the anti-skid patterns are wave-shaped, vertical or crossed; the lower part of the center sill body comprises a vertical supporting part 13 or a trapezoidal supporting part 14.

The utility model adopts the further technical proposal that the middle part of the stainless steel water stop is a downward concave part; then, the water stop belt extends from the concave part with the middle part facing downwards to two sides of the water stop belt, and the extending section is an upward bulge; the thickness of the stainless steel waterstop is less than five millimeters; the two sides of the stainless steel waterstop and the part of the foundation in the waterstop accommodating groove comprise a layer of rubber material, and the rubber material is thermally sealed on the stainless steel waterstop; one or both of the two sides of the stainless steel waterstop includes a return bend directed toward the waterstop body for preventing water from entering the waterstop receiving groove.

The utility model has the further technical proposal that the water stop is a special side irrigation preventing water stop for the expansion joint of the rising bridge, the water stop is in a non-axisymmetric structure, and the water stop is in the most middle position and has inconsistent inclination degrees or inconsistent thickness towards two sides; the water stop is made of rubber or metal; a thickened portion 17 is included on one side of the water stop; the thickened portion 17 can press the side of the side sill or center sill when the thickened portion is mounted on the side sill or center sill.

The utility model has the further technical proposal that the boundary beam obliquely extends downwards out of the lower inclined wall structure 15, and the lower inclined wall structure 15 is embedded into the anchoring plate or the concrete; the catch cars are pressed on the upper end part 11 of the side beam, and the formed pressing lever is pressed by thick concrete and cannot be separated.

Adopt above technical scheme the utility model discloses, for prior art have following beneficial effect: because light, easy to maintain, save cost, agree with well, not fragile, can not take place the side irrigation, longe-lived.

Drawings

For further explanation of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings:

FIG. 1 is a diagram of a small displacement implementation of the present patent;

FIG. 2 is a diagram of an implementation of the present patent with a large displacement;

FIG. 3 is a cross-sectional view of a side sill;

FIG. 4 is a cross-sectional view of a further modification of the edge beam;

FIG. 5 is one of the mullion implementations;

FIG. 6 is a second implementation of the center sill;

FIG. 7 is a view of the construction of a stainless steel waterstop;

FIG. 8 is one of the individual structures of the edge beam;

FIG. 9 is a second embodiment of the side rail in isolation;

FIG. 10 is a schematic view of a further development of the invention;

FIG. 11 is one implementation of a stainless steel waterstop;

FIG. 12 is a schematic view of the waterstop installation in an inclined condition;

FIG. 13 is a structural view of a special-shaped water stop in an inclined state;

wherein: 1. a boundary beam; 2. a middle beam; 3. a hole in the middle of the edge beam; 4. a middle hole of the middle beam; 5. a bottom embedded portion; 6. a water stop; 7. an anchoring plate; 8. concrete; 9. anchor plate holes; 10. reinforcing steel bars; 11. the upper end part of the edge beam; 12. a support displacement system; 13. a vertical support portion; 14. a trapezoidal support portion; 15. a lower inclined wall structure; 16. obliquely matching the anchoring plate; 17. a thickened portion.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not 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 the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The first embodiment is as follows: combine fig. 3 and 4; the first scheme is as follows:

the utility model provides a foraminiferous light boundary beam, its characterized in that, boundary beam contain the boundary beam body, contain more than one boundary beam middle part hole 3 in the boundary beam body. The technical scheme of the invention has the following substantial technical effects and the realization process: due to the existence of the hole 3 in the middle of the edge beam, the weight of the edge beam is greatly reduced; save a large amount of steels, simultaneously because the roof beam middle part hole 3 makes the partial vibrations energy of roof beam can subdue in the space, reduce vibrations.

Example two: as a further improvement or in a juxtaposition or alternatively independent, the said centre hole of the edge beam comprises two, oval, centre holes 3. The technical scheme of the invention has the following substantial technical effects and the realization process: similar implementations are within the scope of this patent.

Example three: as a further improvement or a parallel solution or an alternative independent solution, the ellipses of the two edge beam middle holes 3 are distributed vertically and horizontally.

Example four: as a further improvement or in a juxtaposition or alternatively in isolation, the body of the edge beam is a Z-shaped edge beam, the left side of which comprises a recess into which concrete can be inserted, and the upper and lower sides of which comprise horizontally extending walls.

Example six: as a further improvement or a parallel solution or an alternative independent solution, the right side of the side beam body comprises two water stop accommodating grooves.

Example seven: as a further improvement scheme or a parallel scheme or an optional independent scheme, the upper right side above the side beam body comprises an upper end part 11 of the side beam, and the upper end part 11 of the side beam is of a similar right-angle structure or is an arc-shaped part; the curved portion prevents the body from being directly pressed to pry the edge beam from the concrete when passing over the surface of the edge beam. The technical scheme of the invention has the following substantial technical effects and the realization process: the pressure lever is prevented from being formed by instantaneous extrusion of the vehicle wheels.

Example seven: as a further improvement scheme or a parallel scheme or an optional independent scheme, the boundary beam body comprises anti-skid patterns. The anti-skid patterns are wavy, vertical or crossed.

Example eight: as a further development or in a side-by-side or alternatively independent solution, the concrete-insertable recess may also be fitted with an anchoring plate; the body of the edge beam contains protruding objects towards the direction of the groove in which the concrete can be embedded. The technical scheme of the invention has the following substantial technical effects and the realization process: the tenon fourth of twelve earthly branches structure can be adopted to make fixed more firm pioneering nature.

Example nine: as a further development or in a side-by-side or alternatively independent solution, the protruding objects are embedded in concrete or fitted to the anchoring plate, which when fitted thereto comprises corresponding fitting openings.

Scheme II: refer to fig. 7 and 11;

example ten: as a further improved scheme or a parallel scheme or an optional independent scheme, the stainless steel waterstop is characterized in that the stainless steel waterstop is integrally manufactured and made of stainless steel, and the stainless steel waterstop can deform so as to adapt to the expansion and contraction of the expansion joint; the two sides of the stainless steel waterstop can be arranged in the waterstop accommodating groove of the side beam or the middle beam. The technical scheme of the invention has the following substantial technical effects and the realization process: the metal is used as the water stop belt creatively, and stones or people are prevented from being damaged specially from the upper side.

Example eleven: as a further improved scheme or a parallel scheme or an optional independent scheme, the middle part of the stainless steel water stop belt is a downward concave part; and then extend from the central downward depression to both sides of the waterstop, with the extending segments being upward protrusions. The technical scheme of the invention has the following substantial technical effects and the realization process: the structure facilitates the guiding of water flow.

Example twelve: as a further development or side-by-side or alternatively independent, the stainless steel waterstop has a thickness of less than five millimeters. The technical scheme of the invention has the following substantial technical effects and the realization process: like a foldable metal sheet, with appropriate deformability.

Example thirteen: as a further improved scheme or a parallel scheme or an optional independent scheme, two sides of the stainless steel water stop band and the part of the foundation in the water stop band accommodating groove comprise a layer of rubber material, and the rubber material is thermally sealed on the stainless steel water stop band. The technical scheme of the invention has the following substantial technical effects and the realization process: the rubber material is arranged at the contact part, so that all gaps can be filled, and water can be prevented from entering.

Example fourteen: as a further development or in a side-by-side or alternatively independent solution, one or both sides of the stainless steel waterstop comprises a return bend directed towards the waterstop body for preventing water from entering the waterstop receiving groove. The technical scheme of the invention has the following substantial technical effects and the realization process: this return bend, referring to fig. 12, can act as a stop.

Example fifteen: as a further development or a parallel development or an alternative independent development, a bridge expansion device using stainless steel water stops, characterized in that,

Example sixteen: as a further improvement scheme or a parallel scheme or a selectable independent scheme, the utility model discloses a further technical scheme lies in, bridge telescoping device contain the waterstop more than one deck, still contain more than one rubber waterstop in the waterstop more than one deck.

The third scheme is as follows: refer to fig. 5 and 6;

example seventeen: as a further development or in parallel or alternatively independently, a perforated lightweight centre sill, characterized in that the centre sill comprises a centre sill body, which contains more than one centre sill centre hole 4. The technical scheme of the invention has the following substantial technical effects and the realization process: due to the existence of the middle beam middle hole 4, the weight of the boundary beam is greatly reduced; a large amount of steel is saved, and meanwhile, partial vibration energy of the edge beam can be reduced in the space due to the middle beam middle hole 4, so that vibration is reduced.

Example eighteen: as a further improvement or a parallel scheme or an alternative independent scheme, the center sill middle holes comprise two, and the two center sill middle holes 4 are both oval.

Example nineteenth: as a further improvement or a parallel solution or an alternative independent solution, the ellipses of the two centre sill middle holes 4 are distributed vertically and horizontally.

Example twenty: as a further improvement scheme or a parallel scheme or an optional independent scheme, the two sides of the center sill body are provided with water stop strip accommodating grooves. The middle beam body can correspond to more than one layer of water stop belts.

Example twenty one: as a further improvement scheme or a parallel scheme or an optional independent scheme, the center sill body comprises anti-skid patterns. The anti-skid patterns are wavy, vertical or crossed. The lower part of the center sill body comprises a vertical supporting part 13 or a trapezoidal supporting part 14.

And the scheme is as follows: refer to fig. 12 and 13;

example twenty two: the special side-irrigation-preventing water stop for the expansion joint of the ascending bridge is characterized in that the water stop is of a non-axisymmetric structure, and the inclination degree or the thickness of the water stop towards two sides at the middle position is inconsistent. The technical scheme of the invention has the following substantial technical effects and the realization process: the water stop belt with the non-axisymmetric structure can avoid the phenomenon that water enters the water stop belt accommodating groove to corrode steel due to the height change of the bridge floor.

Example twenty three: as a further improvement or a parallel scheme or an optional independent scheme, the water stop belt is made of rubber or metal.

Example twenty-four: as a further development, either side-by-side or alternatively independent, a thickened section 17 is included on one side of the water stop.

Example twenty-five: as a further development or in a side-by-side or alternatively independent solution, the thickened portion 17 can press against the side of the edge or centre sill when the thickened portion is mounted on the edge or centre sill. The technical scheme of the invention has the following substantial technical effects and the realization process: except that the inclined plane direction leads promptly, can also make the waterstop installation more firm because thickened portion 17 can be extruding the avris of boundary beam or centre sill for the waterstop is difficult for droing.

And a fifth scheme: reference is made to all of the accompanying drawings;

example twenty-six: as a further improved scheme or a parallel scheme or an optional independent scheme, the lightweight comprehensive bridge expansion device is characterized in that,

Example twenty-seven: as a further improved scheme or a parallel scheme or an optional independent scheme, more than one stainless steel water stop is installed in the bridge expansion device, the stainless steel water stops are integrally manufactured and made of stainless steel, and the stainless steel water stops can deform to adapt to expansion and contraction of the expansion joint; the two sides of the stainless steel waterstop can be arranged in the waterstop accommodating groove of the side beam or the middle beam.

Example twenty-eight: as a further development, either side-by-side or alternatively independent, the centre sill is fixed to the support and displacement system 12.

Example twenty-nine: as a further improved scheme or a parallel scheme or an optional independent scheme, the two edge beam middle holes are included, and both the two edge beam middle holes 3 are oval; the ellipses of the middle holes 3 of the two boundary beams are vertically distributed and horizontally distributed; the side beam body is a Z-shaped side beam, the left side of the side beam body comprises a groove capable of being embedded with concrete, and the upper part and the lower part of the side beam body comprise horizontally extending walls; the right side of the boundary beam body comprises two water stop accommodating grooves; the upper right side of the side beam body comprises an upper end part 11 of the side beam, and the upper end part 11 of the side beam is of a similar right-angle structure or an arc-shaped part; the arc-shaped part ensures that the edge beam cannot be pried and separated from the concrete due to direct pressing when the vehicle body passes through the surface of the edge beam; the edge beam body comprises anti-skid patterns; the anti-skid patterns are wave-shaped, vertical or crossed; the groove capable of being embedded with concrete can also be matched with the anchoring plate; the edge beam body comprises a protruding object towards the direction of the groove capable of being embedded with the concrete; the protruding object is embedded into concrete or matched with the anchoring plate, and when the protruding object is matched with the anchoring plate, the anchoring plate comprises a corresponding matching opening.

Example thirty: as a further improved scheme or a parallel scheme or an optional independent scheme, the middle beam holes comprise two, and the two middle beam holes 4 are both oval; the ellipses of the middle holes 4 of the two middle beams are vertically distributed and horizontally distributed; both sides of the middle beam body are provided with water stop accommodating grooves; the middle beam body can correspond to more than one layer of water stop belts; the middle beam body comprises anti-skid patterns; the anti-skid patterns are wave-shaped, vertical or crossed; the lower part of the center sill body comprises a vertical supporting part 13 or a trapezoidal supporting part 14.

Example thirty one: as a further improved scheme or a parallel scheme or an optional independent scheme, the middle part of the stainless steel water stop belt is a downward concave part; then, the water stop belt extends from the concave part with the middle part facing downwards to two sides of the water stop belt, and the extending section is an upward bulge; the thickness of the stainless steel waterstop is less than five millimeters; the two sides of the stainless steel waterstop and the part of the foundation in the waterstop accommodating groove comprise a layer of rubber material, and the rubber material is thermally sealed on the stainless steel waterstop; one or both of the two sides of the stainless steel waterstop includes a return bend directed toward the waterstop body for preventing water from entering the waterstop receiving groove.

Example thirty-two: as a further improved scheme or a parallel scheme or an optional independent scheme, the water stop is a special side-irrigation-preventing water stop for the expansion joint of the ascending bridge, the water stop is of a non-axisymmetric structure, and the inclination degrees or the thicknesses of the water stop towards two sides at the middle position are inconsistent; the water stop is made of rubber or metal; a thickened portion 17 is included on one side of the water stop; the thickened portion 17 can press the side of the side sill or center sill when the thickened portion is mounted on the side sill or center sill.

Example thirty-three: as a further improvement or in a juxtaposition or alternatively in isolation, the edge beams extend obliquely downwards from the lower inclined wall structure 15, the lower inclined wall structure 15 being embedded in the anchor slab or concrete; the catch cars are pressed on the upper end part 11 of the side beam, and the formed pressing lever is pressed by thick concrete and cannot be separated. The technical scheme of the invention has the following substantial technical effects and the realization process: compared with a flat wall, the wall is more stable.

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, and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims.

Claims

1. A lightweight comprehensive bridge expansion device, which is characterized in that,

the edge beam is a light edge beam with holes, and comprises an edge beam body, wherein the edge beam body comprises more than one edge beam middle hole (3);

the center sill comprises a center sill body, and the center sill body comprises more than one center sill middle hole (4).

2. The lightweight integrated bridge expansion device according to claim 1, wherein more than one stainless steel water stop is installed in the bridge expansion device, the stainless steel water stops are integrally made of stainless steel, and the stainless steel water stops can deform to adapt to expansion and contraction of the expansion joint; the two sides of the stainless steel waterstop can be arranged in the waterstop accommodating groove of the side beam or the middle beam.

3. A lightweight integrated bridge girder retractor according to claim 1 wherein the centre sill is fixed to a support displacement system (12).

4. The lightweight integrated bridge girder expansion device according to claim 1, wherein the number of the center holes of the side girders is two, and both the center holes (3) of the two side girders are oval; the ellipses of the middle holes (3) of the two boundary beams are vertically distributed and horizontally distributed; the side beam body is a Z-shaped side beam, the left side of the side beam body comprises a groove capable of being embedded with concrete, and the upper part and the lower part of the side beam body comprise horizontally extending walls; the right side of the boundary beam body comprises two water stop accommodating grooves; the upper right side of the side beam body comprises an upper end part (11) of the side beam, and the upper end part (11) of the side beam is of a similar right-angle structure or an arc-shaped part; the arc-shaped part ensures that the edge beam cannot be pried and separated from the concrete due to direct pressing when the vehicle body passes through the surface of the edge beam; the edge beam body comprises anti-skid patterns; the anti-skid patterns are wave-shaped, vertical or crossed; the groove capable of being embedded with the concrete can be matched with the anchoring plate; the edge beam body comprises a protruding object towards the direction of the groove capable of being embedded with the concrete; the protruding object is embedded into concrete or matched with the anchoring plate, and when the protruding object is matched with the anchoring plate, the anchoring plate comprises a corresponding matching opening.

5. The lightweight integrated bridge expansion device according to claim 1, wherein the number of the middle beam middle holes is two, and both the middle beam middle holes (4) are oval; the two middle beam middle holes (4) are vertically distributed and horizontally distributed in an ellipse; both sides of the middle beam body are provided with water stop accommodating grooves; the middle beam body can correspond to more than one layer of water stop belts; the middle beam body comprises anti-skid patterns; the anti-skid patterns are wave-shaped, vertical or crossed; the lower part of the center sill body comprises a vertical supporting part (13) or a trapezoidal supporting part (14).

6. The lightweight integrated bridge expansion device of claim 1, wherein the stainless steel water stop is downwardly concave in the middle; then, the water stop belt extends from the concave part with the middle part facing downwards to two sides of the water stop belt, and the extending section is an upward bulge; the thickness of the stainless steel waterstop is less than five millimeters; the two sides of the stainless steel waterstop and the part of the foundation in the waterstop accommodating groove comprise a layer of rubber material, and the rubber material is thermally sealed on the stainless steel waterstop; one or both of the two sides of the stainless steel waterstop includes a return bend directed toward the waterstop body for preventing water from entering the waterstop receiving groove.

7. The lightweight integrated bridge expansion device according to claim 2, further comprising a water stop, wherein the water stop is a special side-irrigation-preventing water stop for an ascending bridge expansion joint, the water stop is of a non-axisymmetric structure, and the water stop is provided with a non-uniform inclination degree or a non-uniform thickness towards two sides at the middle position; the water stop is made of rubber or metal; a thickened portion (17) is included on one side of the water stop; the thickened part (17) can press the side of the side beam or the middle beam when the thickened part is installed on the side beam or the middle beam.

8. The lightweight integrated bridge girder system according to claim 1, wherein the edge beams extend obliquely downward from the lower inclined wall structure (15), and the lower inclined wall structure (15) is embedded in the anchor plate or concrete; the baffle vehicle presses the upper end part (11) of the side beam, and the formed pressing lever is pressed by thick concrete and cannot be separated.