CN217324977U - Bridge expansion joint device based on waste railway steel rails - Google Patents
Bridge expansion joint device based on waste railway steel rails Download PDFInfo
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- CN217324977U CN217324977U CN202220000498.1U CN202220000498U CN217324977U CN 217324977 U CN217324977 U CN 217324977U CN 202220000498 U CN202220000498 U CN 202220000498U CN 217324977 U CN217324977 U CN 217324977U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model discloses a bridge expansion joint device based on abandonment railway rails is provided with the expansion joint between adjacent first crossbeam and the second crossbeam, and first crossbeam upper portion and second crossbeam upper portion are from up packing in proper order down has leveling layer, bituminous mixture surface course, and expansion joint device installs the expansion joint department between two adjacent first crossbeams and second crossbeam, include: a left I-shaped steel rail and a right I-shaped steel rail; a plurality of groups of transverse coaxial through holes are arranged on the rib plates of the left I-shaped steel rail and the right I-shaped steel rail at intervals along the length direction; the left I-shaped steel rail is longitudinally arranged at the right end of the upper surface of the first cross beam through a plurality of groups of fixing assemblies, and the right I-shaped steel rail is arranged at the left end of the second cross beam through a plurality of groups of fixing assemblies; a plurality of groups of force transmission assemblies are arranged between the left I-shaped steel rail and the right I-shaped steel rail; the drainage assembly is arranged between the expansion joints; the force transmission assemblies and the fixing assemblies are arranged alternately in a circulating mode.
Description
Technical Field
The utility model relates to a traffic engineering field, concretely relates to bridge expansion joint device based on abandonment railway rails.
Background
With the rapid development of the traffic construction in China, a large number of high-grade highways and urban viaducts are built and put into operation. The bridge expansion joint is used as a necessary component of a highway bridge structure, can enable a bridge structure to freely expand and contract under the action of factors such as temperature change, concrete expansion and contraction, creep, vehicle load and the like, enables an automobile to run comfortably and smoothly, prevents sundries such as water, mud and sand from entering the joint, and has a vital function on the stability of the bridge structure and the running safety.
The bridge expansion joints are mainly divided into seamless expansion joints (bridge deck continuous, TST), butt joint type expansion joints (filling butt joint type and embedded butt joint type), steel support type expansion joints (comb plate), rubber plate type expansion joints and modulus type expansion joints. The bridge expansion joint generally sets up at weak positions of structures such as beam-ends, directly bears the repeated impact effect of vehicle load, and under long-term exposure external environment, will adapt to the complicated motion that shifts of bridge simultaneously, leads to the expansion joint to be in concrete toughness and shock resistance and weakens, and the long-pending destruction process of having accelerateed damaged concrete of staying again of rainwater. Under the vicious circle, the expansion joint becomes one of the most vulnerable and difficult to repair parts in the bridge structure. The problem of durability of the expansion joint is not considered in the construction of the initial bridge engineering in China, regular maintenance is not needed in the bridge operation period, and the phenomena of overload and heavy load are frequent, so that the attenuation of the service life of the bridge structure is further accelerated. The damage of the bridge expansion joint can cause sudden jump and loud noise when vehicles pass through, and traffic jam or paralysis, and the safety and comfort of driving and the durability and economy of the road bridge are seriously affected.
With the advance of the progress of the strong country of China, the railway construction is suddenly advanced, the quality of the railway running line is improved and upgraded, a large amount of waste rails are left in the transformation process due to the reduction of the carrying capacity of old railways, and in addition, the rails which are worn excessively are replaced, so that the waste rails are left to cause a plurality of environmental and resource problems.
Disclosure of Invention
The utility model can provide a bridge expansion joint device based on waste railway rails, which recycles a large amount of waste railway rails and solves the problems of land occupation and environment to a certain extent; the device solves the problem that the toughness and the impact property of the common material at the expansion joint are insufficient, ensures the excellent and stable performance of the device for a long time, reduces the damage and the destruction of the expansion joint and greatly prolongs the service life of the expansion joint; the device has simple structure, various components can be prefabricated in advance, and the device can be quickly assembled at the construction position during maintenance, and has smaller engineering quantity.
In order to realize the purpose, the following technical scheme is provided:
the utility model provides a bridge expansion joint device based on abandonment railway rails is provided with the expansion joint between adjacent first crossbeam and the second crossbeam, and first crossbeam upper portion and second crossbeam upper portion are from up packing in proper order down has leveling layer, bituminous mixture surface course, and its characterized in that, expansion joint device installs the expansion joint department between two adjacent first crossbeams and second crossbeam, includes: a left I-shaped steel rail and a right I-shaped steel rail; a plurality of groups of transverse coaxial through holes are arranged on the rib plates of the left I-shaped steel rail and the right I-shaped steel rail at intervals along the length direction; the left I-shaped steel rail is longitudinally arranged at the right end of the upper surface of the first cross beam through a plurality of groups of fixing assemblies, and the right I-shaped steel rail is arranged at the left end of the second cross beam through a plurality of groups of fixing assemblies; a plurality of groups of force transmission assemblies are arranged between the left I-shaped steel rail and the right I-shaped steel rail; the drainage assembly is arranged between the expansion joints;
the force transmission assemblies and the fixing assemblies are arranged alternately in a circulating mode.
Further, each said force transfer assembly comprises a single head bolt; the single-head bolt transversely penetrates through each group of the through holes, the unthreaded end of the single-head bolt sequentially penetrates through the through hole of the right I-shaped steel rail and the through hole of the left I-shaped steel rail from right to left, a sleeve is sleeved at the unthreaded end of the single-head bolt, and the threaded end of the single-head bolt is fixed on the right I-shaped steel rail through two self-locking nuts; and a counter bore for accommodating the sleeve is arranged on the first cross beam.
Furthermore, a corrugated pipe is arranged on the single-head bolt between the left I-shaped steel rail and the right I-shaped steel rail; rubber gaskets are arranged between the self-locking nut and the right I-shaped steel rail, and rubber gaskets are arranged between the corrugated pipe and the left I-shaped steel rail and between the corrugated pipe and the right I-shaped steel rail.
Furthermore, each group of the fixing assemblies comprises an angle steel, a vertical plate of the angle steel is fixedly connected with a rib plate of the left I-shaped steel rail or the right I-shaped steel rail, and a horizontal plate of the angle steel is fixedly connected with the upper surface of the first cross beam or the second cross beam.
Furthermore, the outer side surface of the left angle steel is abutted against the left side surface of the left I-shaped steel rail, the outer side surface of the right angle steel is abutted against the outer side surface of the right I-shaped steel rail, and the upper end of the angle steel is provided with a through hole which is coaxial with the through hole of the left I-shaped steel rail or the right I-shaped steel rail; the vertical plate of the angle steel is fixedly connected with the left I-shaped steel rail or the right I-shaped steel rail through a bolt group; and the horizontal plate of the angle steel is fixedly connected with the upper surface of the first beam or the second beam through an expansion screw group.
Furthermore, rubber gaskets are arranged among the angle steel, the left I-shaped steel rail or the right I-shaped steel rail and the self-locking nuts.
Further, the drainage subassembly down contains left otic placode, auris dextra board from last in proper order, the left surface of left otic placode with the right flank of first crossbeam links firmly, the right flank of auris dextra board with the left surface of second crossbeam links firmly, left otic placode with it has rubber asphalt to fill between the auris dextra board.
Furthermore, the longitudinal length of the left ear plate is the same as the longitudinal length of the first cross beam, the longitudinal length of the right ear plate is the same as the longitudinal length of the second cross beam, the transverse width of the left ear plate is greater than 1/2 of the width of the expansion joint, and the thickness of the left ear plate is 1cm than that of the right ear plate.
Furthermore, the left I-shaped steel rail and the right I-shaped steel rail are 43kg/m heavy rails, and the interval between each through hole on the rib plate of the left I-shaped steel rail and the rib plate of the right I-shaped steel rail is 50 cm.
Furthermore, a groove matched with the lower flange of the left I-shaped steel rail is formed in the right end of the upper end face of the first cross beam, and a groove matched with the lower flange of the right I-shaped steel rail is formed in the left end of the upper end face of the second cross beam; and a rubber gasket is arranged between the left I-shaped steel rail and the groove bottom surface of the first cross beam, and a rubber gasket is arranged between the right I-shaped steel rail and the groove bottom surface of the second cross beam.
Compared with the prior art, the beneficial effects of the utility model are that: the strength and the toughness of the expansion joint are enhanced, the shock resistance is improved, the service life of the bridge is greatly prolonged, and the safety and the comfort of driving are improved; the waste steel rails are recycled, so that waste is changed into valuable, and the environmental and social problems are solved; the overlapping of the left and right ear plates and the filling of the rubber asphalt are beneficial to collecting the rainwater flowing into the expansion joint, and the erosion and corrosion of the bridge structure by the moisture are reduced. The expansion joint device is simple in structure, various components can be prefabricated in advance, the expansion joint device can be quickly assembled at a construction position during maintenance, and the engineering quantity is small. The expansion joint device not only meets the requirements of the upper structure of the bridge on expansion deformation and the strength requirement of the expansion joint device, but also is firmly connected with the bridge deck pavement part, and the vehicle is smooth, has no sudden jump and has small noise when passing; it also has good water tightness and drainage, and is convenient for installation, inspection, maintenance and cleaning of dirt in the groove.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a sectional view of the force transfer component of an embodiment of the bridge expansion joint device based on the waste railway rails of the present invention from a direction a-a;
FIG. 2 is a B-B cross sectional view of the fixing assembly of an embodiment of the bridge expansion joint device based on the waste railway steel rails according to the present invention;
fig. 3 is the utility model discloses a look-down section of setting in turn of one section multiunit biography power subassembly and the fixed subassembly circulation of multiunit of leveling layer, bituminous mixture surface course not filled of a bridge expansion joint device embodiment based on abandonment railway rails.
In the above figures: 1 a first cross beam; 2 a second cross member; 3, rubber asphalt; 4, left I-shaped steel rail; 5 right I-shaped steel rail; 6, single-head bolts; 7, a sleeve; 8, a corrugated pipe; 9 self-locking nut; 10 angle steel; 11 bolt sets; 12 expansion screw group; 13 left ear panel; 14 right ear panel.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of other ways than those described herein, and those skilled in the art will be able to make similar generalizations without departing from the spirit of the invention. The invention is therefore not limited to the specific embodiments disclosed below.
Referring to fig. 1 to 3, a bridge expansion joint device based on abandonment railway rails is provided with the expansion joint between adjacent first crossbeam 1 and second crossbeam 2, and first crossbeam 1 upper portion and 2 upper portions of second crossbeam are from up packing in proper order down have leveling layer, bituminous mixture surface course, and the expansion joint device is installed in the expansion joint department between two adjacent first crossbeams 1 and second crossbeam 2, includes: a left I-shaped steel rail 4 and a right I-shaped steel rail 5; a plurality of groups of transverse coaxial through holes are arranged on the rib plates of the left I-shaped steel rail 4 and the right I-shaped steel rail 5 at intervals along the length direction; the left I-shaped steel rail 4 is longitudinally arranged at the right end of the upper surface of the first cross beam 1 through a plurality of groups of fixing assemblies, and the right I-shaped steel rail 5 is arranged at the left end of the second cross beam 2 through a plurality of groups of fixing assemblies; a plurality of groups of force transmission assemblies are arranged between the left I-shaped steel rail 4 and the right I-shaped steel rail 5; the drainage component is arranged between the expansion joints;
the force transmission assemblies and the fixing assemblies are arranged alternately in a circulating mode.
The first beam 1 and the second beam 2 are adjacent and have an expansion joint reserved therebetween, the width of the expansion joint is determined according to the actual situation of the engineering, and the first beam 1 and the second beam 2 adopt precast beams or cast-in-place beams and the like. The upper parts of the first beam 1 and the second beam 2 are sequentially filled with a leveling layer and an asphalt mixture surface layer from bottom to top, the leveling layer is made of cement concrete or other materials, the thickness of the leveling layer is 8cm, and the thickness of the leveling layer can be adjusted according to engineering requirements; the asphalt mixture surface layer can adopt asphalt mastic broken stone mixture or asphalt concrete, and can also adopt other surface layer materials, the thickness of the asphalt mixture surface layer is 6cm, and the thickness of the asphalt mixture surface layer can also be adjusted according to engineering requirements. The bridge pavement structure composed of the asphalt mixture surface layer, the leveling layer, the first cross beam 1 and the second cross beam 2 can be adjusted according to the design of the bridge, and the expansion joint device is suitable for bridge deck pavement structures without leveling layers. The expansion joint device comprises a left I-shaped steel rail 4, a right I-shaped steel rail 5, wherein a plurality of groups of transverse coaxial through holes penetrating through the rib plates are formed in the rib plates of the left I-shaped steel rail 4 and the right I-shaped steel rail 5 along the length direction, the left I-shaped steel rail 4 is longitudinally fixed at the right end of the first cross beam 1 through a plurality of groups of fixing assemblies, the right I-shaped steel rail 5 is longitudinally fixed at the left end of the second cross beam 2 through a plurality of groups of fixing assemblies, and due to the characteristic that the upper flanges of the left I-shaped steel rail 4 and the right I-shaped steel rail 5 are narrow and the lower flanges of the left I-shaped steel rail 4 and the right I-shaped steel rail 5 are wide, the width of a gap formed by the upper flanges of the left I-shaped steel rail 4 and the right I-shaped steel rail 5 is larger than the width of the expansion joint, so that the width of the expansion joint reserved between the first cross beam 1 and the second cross beam 2 is not too large. A plurality of groups of force transmission assemblies are arranged between the left I-shaped steel rail 4 and the right I-shaped steel rail 5. The force transmission assemblies and the fixing assemblies are arranged alternately along the length direction of the expansion joint in a circulating mode. The drainage assembly is arranged on the right side surface of the first cross beam 1 and the left side surface of the second cross beam 2 between the expansion joints along the length direction of the expansion joints.
Each group of force transmission components comprises a single-head bolt 6; the single-head bolt 6 transversely penetrates through each group of through holes, the unthreaded end of the single-head bolt 6 sequentially penetrates through the through hole of the right I-shaped steel rail 5 and the through hole of the left I-shaped steel rail 4 from right to left, a sleeve 7 is sleeved at the unthreaded end of the single-head bolt 6, and the threaded end of the single-head bolt 6 is fixed on the right I-shaped steel rail 5 through two self-locking nuts 9; the first beam 1 is provided with a counter bore for receiving the sleeve 7.
A corrugated pipe 8 is arranged on the single-head bolt 6 between the left I-shaped steel rail 4 and the right I-shaped steel rail 5; rubber gaskets are arranged between the self-locking nut 9 and the right I-shaped steel rail 5, and rubber gaskets are arranged between the corrugated pipe 8 and the left I-shaped steel rail 4 and the right I-shaped steel rail 5.
The unthreaded end of the single-head bolt 6 sequentially penetrates through a group of through holes of the right I-shaped steel rail 5 and the left I-shaped steel rail 4 from right to left, a sleeve 7 is sleeved at the unthreaded end of the single-head bolt 6, the sleeve 7 is fixed in a counter bore on the first cross beam 1, the sleeve 7 can be fixedly connected with the first cross beam 1 by a support, and the support can be a solid structure, a hollow structure or a tripod and other fixed and supported structures in any shapes. The single-head bolt 6 can slide left and right in the sleeve 7 along with the telescopic change of the expansion joint, one end with threads of the single-head bolt 6 is fixed on the right I-shaped steel rail 5 through two self-locking nuts 9, the single-head bolt 6 can be replaced by a dowel bar with threads, and the self-locking nuts 9 can also be replaced by common nuts of other types.
The corrugated pipe 8 is sleeved on the single-head bolt 6 between the left I-shaped steel rail 4 and the right I-shaped steel rail 5, the corrugated pipe 8 is in a compressed state along the axial direction during installation, and the corrugated pipe 8 can be a metal corrugated pipe, a plastic corrugated pipe or a corrugated pipe made of other materials, and can also be replaced by other tubular materials, thin film materials or coatings with protective effects. Rubber gaskets are arranged between the self-locking nuts 9 and the right I-shaped steel rail 5, rubber gaskets are arranged between the corrugated pipe 8 and the left I-shaped steel rail 4 and the right I-shaped steel rail 5, and the rubber gaskets can be made of chloroprene rubber or natural rubber to ensure that adjacent components are tightly attached.
Each group of fixing components comprises an angle steel 10, a vertical plate of the angle steel 10 is fixedly connected with a rib plate of the left I-shaped steel rail 4 or the right I-shaped steel rail 5, and a horizontal plate of the angle steel 10 is fixedly connected with the upper surface of the first cross beam 1 or the second cross beam 2.
The outer side face of the left angle steel 10 abuts against the left side face of the left I-shaped steel rail 4, the outer side face of the right angle steel 10 abuts against the outer side face of the right I-shaped steel, and the upper end of the angle steel 10 is provided with a through hole which is coaxial with the through hole of the left I-shaped steel rail 4 or the right I-shaped steel rail 5; the vertical plate of the angle steel 10 is fixedly connected with the left I-shaped steel rail 4 or the right I-shaped steel rail 5 through a bolt group 11; the horizontal plate of the angle steel 10 is fixedly connected with the upper surface of the first beam 1 or the second beam 2 through an expansion screw group 12.
Rubber gaskets are arranged among the angle steel 10, the left I-shaped steel rail 4 or the right I-shaped steel rail 5 and the self-locking nut 9.
The bolts of the bolt group 11 penetrate through the through holes at the upper ends of the angle steels 10 and the through holes of the rib plates of the left I-shaped steel rail 4 or the right I-shaped steel rail 5, the vertical plates of the angle steels 10 are fixedly connected with the rib plates of the left I-shaped steel rail 4 or the right I-shaped steel rail 5 through the bolt group 11, the horizontal plates of the angle steels 10 are fixedly connected with the upper surfaces of the first cross beam 1 or the second cross beam 2 through the expansion screw group 12, and the expansion screw group 12 can be replaced by bolt groups of other types. The angle steel 10 is made according to the type of the left I-shaped steel rail 4 or the right I-shaped steel rail 5, and the shape of the abutting position of the outer side face of the angle steel 10 and the outer side face of the left I-shaped steel rail 4 or the right I-shaped steel rail 5 is consistent.
The rubber gasket can be made of chloroprene rubber or natural rubber, and the adjacent components are ensured to be tightly jointed.
The drainage component comprises a left ear plate 13 and a right ear plate 14 from top to bottom in sequence, the left side surface of the left ear plate 13 is fixedly connected with the right side surface of the first cross beam 1, the right side surface of the right ear plate 14 is fixedly connected with the left side surface of the second cross beam 2, and rubber asphalt 3 is filled between the left ear plate 13 and the right ear plate 14.
The longitudinal length of the left ear plate 13 is the same as the longitudinal length of the first cross beam 1, the longitudinal length of the right ear plate 14 is the same as the longitudinal length of the second cross beam 2, the transverse width of the left ear plate 13 and the transverse width of the right ear plate 14 are larger than 1/2 of the width of the expansion joint, and the thickness of the left ear plate 13 and the thickness of the right ear plate 14 are 1 cm.
The left side of the left ear plate 13 is fixedly connected with the right side of the first beam plate 1 through welding or other fixedly connecting modes, and the right side of the right ear plate 14 is fixedly connected with the left side of the first beam plate 1 through welding or other fixedly connecting modes. The transverse width of left otic placode 13 and right otic placode 14 is greater than 1/2 of expansion joint width, guarantees that overlap joint from top to bottom of left otic placode 13 right-hand member and the 14 left ends of right otic placode, and rubber asphalt 3 between left otic placode 13 and the right otic placode 14 also can adopt the high pitch variety of other viscosities to replace, and it does benefit to collect the rainwater that flows into the expansion joint to fill through rubber asphalt 3 between the overlap joint of left otic placode 13 and right otic placode 14, reduces the washing away and the corruption of the bridge construction of water conservancy diversion team.
The left I-shaped steel rail 4 and the right I-shaped steel rail 5 are 43kg/m heavy rails, and the interval between each through hole on the rib plate of the left I-shaped steel rail 4 and the rib plate of the right I-shaped steel rail 5 is 50 cm.
The left I-shaped steel rail 4 and the right I-shaped steel rail 5 are heavy rails of 43kg/m, the rail height is 140mm, the width of a lower flange is 114mm, the width of an upper flange is 70mm, the thickness of a rib plate is 14.55mm, and the left I-shaped steel rail 4 and the right I-shaped steel rail 5 can be replaced by steel rails of different types such as bridge design, waste steel rails and the like. Through holes are arranged on the rib plates of the left I-shaped steel rail 4 and the right I-shaped steel rail 5 at intervals of 50cm, and the distance between the through holes can be adjusted according to the actual engineering requirements.
The right end of the upper end face of the first cross beam 1 is provided with a groove matched with the lower flange of the left I-shaped steel rail 4, and the left end of the upper end face of the second cross beam 2 is provided with a groove matched with the lower flange of the right I-shaped steel rail 5; a rubber gasket is arranged between the left I-shaped steel rail 4 and the groove bottom surface of the first cross beam 1, and a rubber gasket is arranged between the right I-shaped steel rail 5 and the groove bottom surface of the second cross beam 2.
In order to ensure that the upper end surfaces of the upper flanges of the left I-shaped steel rail 4 and the right I-shaped steel rail 5 are flush with the upper end surface of the asphalt mixture surface layer, when the sum of the height of the left I-shaped steel rail 4 and the height of the right I-shaped steel rail 5 and the thickness of the rubber gasket below the left I-shaped steel rail 4 and the right I-shaped steel rail 5 exceeds the total height of the asphalt mixture surface layer and the leveling layer, a groove matched with the lower flange of the left I-shaped steel rail 4 is prefabricated at the right end of the upper end surface of the first cross beam 1, and a groove matched with the lower flange of the right I-shaped steel rail 5 is prefabricated at the left end of the upper end surface of the second cross beam 1. The rubber gasket can be made of chloroprene rubber or natural rubber, and the adjacent components are ensured to be tightly jointed.
The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structure changes made by the contents of the specification and the drawings or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a bridge expansion joint device based on abandonment railway rails is provided with the expansion joint between adjacent first crossbeam (1) and second crossbeam (2), and first crossbeam (1) upper portion and second crossbeam (2) upper portion are from up packing in proper order down have leveling layer, bituminous mixture surface course, and its characterized in that, expansion joint device installs the expansion joint department between two adjacent first crossbeams (1) and second crossbeam (2), includes: a left I-shaped steel rail (4) and a right I-shaped steel rail (5); a plurality of groups of transverse coaxial through holes are arranged on rib plates of the left I-shaped steel rail (4) and the right I-shaped steel rail (5) at intervals along the length direction; the left I-shaped steel rail (4) is longitudinally arranged at the right end of the upper surface of the first cross beam (1) through a plurality of groups of fixing assemblies, and the right I-shaped steel rail (5) is arranged at the left end of the second cross beam (2) through a plurality of groups of fixing assemblies; a plurality of groups of force transmission assemblies are arranged between the left I-shaped steel rail (4) and the right I-shaped steel rail (5); the drainage assembly is arranged between the expansion joints;
the force transmission assemblies and the fixing assemblies are arranged alternately in a circulating mode.
2. The apparatus for bridge expansion joint based on waste railway rails as claimed in claim 1, wherein each set of force transmission members comprises a single head bolt (6); the single-head bolt (6) transversely penetrates through each group of the through holes, the unthreaded end of the single-head bolt (6) sequentially penetrates through the through hole of the right I-shaped steel rail (5) and the through hole of the left I-shaped steel rail (4) from right to left, a sleeve (7) is sleeved at the unthreaded end of the single-head bolt (6), and the threaded end of the single-head bolt (6) is fixed on the right I-shaped steel rail (5) through two self-locking nuts (9); and a counter bore for accommodating the sleeve (7) is arranged on the first cross beam (1).
3. The bridge expansion joint device based on the abandoned railway steel rail as claimed in claim 2, wherein a corrugated pipe (8) is arranged on the single-head bolt (6) between the left I-shaped steel rail (4) and the right I-shaped steel rail (5); rubber gaskets are arranged between the self-locking nuts (9) and the right I-shaped steel rail (5), and rubber gaskets are arranged between the corrugated pipe (8) and the left I-shaped steel rail (4) and between the corrugated pipe and the right I-shaped steel rail (5).
4. The bridge expansion joint device based on the abandoned railway steel rail as claimed in claim 3, wherein each group of the fixing components comprises an angle steel (10), a vertical plate of the angle steel (10) is fixedly connected with a rib plate of the left I-shaped steel rail (4) or the right I-shaped steel rail (5), and a horizontal plate of the angle steel (10) is fixedly connected with an upper surface of the first cross beam (1) or the second cross beam (2).
5. The bridge expansion joint device based on the abandoned railway steel rail as claimed in claim 4, wherein the outer side surface of the left angle steel (10) abuts against the left side surface of the left I-shaped steel rail (4), the outer side surface of the right angle steel (10) abuts against the outer side surface of the right I-shaped steel, and the upper end of the angle steel (10) is provided with a through hole which is coaxial with the through hole of the left I-shaped steel rail (4) or the right I-shaped steel rail (5); the vertical plate of the angle steel (10) is fixedly connected with the left I-shaped steel rail (4) or the right I-shaped steel rail (5) through a bolt group (11); and the horizontal plate of the angle steel (10) is fixedly connected with the upper surface of the first cross beam (1) or the second cross beam (2) through an expansion screw group (12).
6. The bridge expansion joint device based on the waste railway steel rails as claimed in claim 5, wherein rubber gaskets are arranged between the angle steel (10), the left I-shaped steel rail (4) or the right I-shaped steel rail (5) and the self-locking nuts (9).
7. The bridge expansion joint device based on the waste railway steel rails as claimed in claim 1, wherein the drainage assembly comprises a left ear plate (13) and a right ear plate (14) from top to bottom in sequence, the left side surface of the left ear plate (13) is fixedly connected with the right side surface of the first cross beam (1), the right side surface of the right ear plate (14) is fixedly connected with the left side surface of the second cross beam (2), and rubber asphalt (3) is filled between the left ear plate (13) and the right ear plate (14).
8. The bridge expansion and contraction joint device based on the waste railway rails as claimed in claim 7, wherein the longitudinal length of the left ear plate (13) is the same as the longitudinal length of the first beam (1), the longitudinal length of the right ear plate (14) is the same as the longitudinal length of the second beam (2), the transverse width of the left ear plate (13) and the right ear plate (14) is greater than 1/2 of the width of the expansion joint, and the thickness of the left ear plate (13) and the right ear plate (14) is 1 cm.
9. The bridge expansion joint device based on waste railway rails as claimed in claim 1, wherein the left I-shaped rail (4) and the right I-shaped rail (5) are 43kg/m heavy rails, and each through hole on the rib plate of the left I-shaped rail (4) and the right I-shaped rail (5) is spaced by 50 cm.
10. The bridge expansion joint device based on the abandoned railway steel rail as claimed in claim 1, wherein the right end of the upper end surface of the first cross beam (1) is provided with a groove matched with the lower flange of the left I-shaped steel rail (4), and the left end of the upper end surface of the second cross beam (2) is provided with a groove matched with the lower flange of the right I-shaped steel rail (5); and a rubber gasket is arranged between the left I-shaped steel rail (4) and the groove bottom surface of the first cross beam (1), and a rubber gasket is arranged between the right I-shaped steel rail (5) and the groove bottom surface of the second cross beam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220000498.1U CN217324977U (en) | 2022-01-01 | 2022-01-01 | Bridge expansion joint device based on waste railway steel rails |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220000498.1U CN217324977U (en) | 2022-01-01 | 2022-01-01 | Bridge expansion joint device based on waste railway steel rails |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217324977U true CN217324977U (en) | 2022-08-30 |
Family
ID=82990448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220000498.1U Expired - Fee Related CN217324977U (en) | 2022-01-01 | 2022-01-01 | Bridge expansion joint device based on waste railway steel rails |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217324977U (en) |
-
2022
- 2022-01-01 CN CN202220000498.1U patent/CN217324977U/en not_active Expired - Fee Related
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