CN220847074U - Bridge expansion joint with excellent waterproof performance - Google Patents
Bridge expansion joint with excellent waterproof performance Download PDFInfo
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- CN220847074U CN220847074U CN202322593770.9U CN202322593770U CN220847074U CN 220847074 U CN220847074 U CN 220847074U CN 202322593770 U CN202322593770 U CN 202322593770U CN 220847074 U CN220847074 U CN 220847074U
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- section steel
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- waterproof
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 109
- 239000010959 steel Substances 0.000 claims abstract description 109
- 229920001971 elastomer Polymers 0.000 claims abstract description 45
- 238000006073 displacement reaction Methods 0.000 claims abstract description 16
- 230000009467 reduction Effects 0.000 claims description 28
- 229920000742 Cotton Polymers 0.000 claims description 19
- 230000003139 buffering effect Effects 0.000 claims description 18
- 239000000428 dust Substances 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 230000008602 contraction Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a bridge expansion joint with excellent waterproof performance, which belongs to the technical field of bridge expansion joints and comprises middle beam section steel, side beam section steel, rubber strips, a waterproof tank component, a quick-dismantling cover plate component, a supporting beam and a displacement box. Through the mode, in the process of thermal expansion and contraction of the bridge body, the side beam profile steel and the displacement box move left and right, two ends of the supporting beam slide in the displacement box, the position of the middle beam profile steel is unchanged, and the rubber strip stretches and contracts along with the movement of the side beam profile steel; when raining, rainwater firstly falls on the quick-dismantling cover plate assembly, and after a part of rainwater is blocked by the quick-dismantling cover plate assembly, the rainwater falls on the rubber strip from the gap to be waterproof; if because the rubber strip is damaged or sealed not tightly causes the seepage, then the rainwater can flow to the waterproof tank subassembly to discharge from the drainage end, this structure prevents the seepage through multilayer waterproof, and when wearing parts damage, still can play the effect of insurance drainage, and the water-proof effects is more reliable.
Description
Technical Field
The utility model relates to the technical field of bridge expansion joints, in particular to a bridge expansion joint with excellent waterproof performance.
Background
Due to climate change, the bridge member can have the phenomena of thermal expansion and cold contraction. In order to prevent the bridge from generating cracks due to temperature change, an expansion joint is arranged at a proper position of the bridge and is used as a deformation space of a component. Rubber strips are often used for sealing the bridge expansion joints to prevent rainwater and brine for cleaning snow from flowing down from the expansion joints to corrode concrete; and the rubber strip is used as a wearing part, so that the steel is more frequently maintained and replaced compared with the steel, otherwise, the steel is easy to damage, and the waterproof effect is poor.
The utility model patent with the patent publication number of CN212670278U discloses a novel waterproof dustproof bridge expansion joint part, which supports a sealing rubber pad at the top by arranging a plurality of layers of buffer pads below the sealing rubber pad, and simultaneously achieves the aim of multiple waterproof and dustproof.
However, the sealing rubber pad and the cushion pad are both made of silicone rubber materials, and are all elastic and easy to damage and leak; and the waterproof design of multilayer makes the sealed cushion at top change comparatively conveniently, but the blotter of bottom is still comparatively troublesome.
Based on the above, the utility model designs the bridge expansion joint with excellent waterproof performance to solve the problems.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model provides the bridge expansion joint with excellent waterproof performance.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
a bridge expansion joint with excellent waterproof performance comprises a middle beam section steel;
Two groups of side beam section steel for supporting the rubber strips and the rubber strips for waterproofing are symmetrically arranged on the left side and the right side of the middle beam section steel;
the inner ends of the two groups of rubber strips are respectively connected with the upper ends of the left side wall and the right side wall of the middle beam section steel in a clamping way through clamping grooves, and the outer ends of the rubber strips are respectively connected with the upper ends of the inner side walls of the side beam section steel in a clamping way through clamping grooves;
The lower end of the middle beam section steel is connected with the upper end of the waterproof groove component for preventing leakage, and the lower end of the side beam section steel is connected with the lower end of the waterproof groove component;
the top of the middle beam section steel is provided with a quick-dismantling cover plate assembly which is used for quick dismantling and dust prevention, and the upper end of the side beam section steel is connected with the left end and the right end of the quick-dismantling cover plate assembly;
The bottom of the middle beam section steel is in contact connection with the tops of a plurality of groups of supporting beams for supporting the expansion joints;
the bottoms of the two groups of side beam section steel are symmetrically and fixedly connected with the tops of a plurality of groups of displacement boxes for supporting the supporting beam to slide;
Both ends of the supporting beam are in sliding connection with the inner wall of the displacement box;
the side beam section steel is fixedly connected with the external bridge body through anchor plates and anchor bars; the displacement box is fixedly connected with the external bridge body through an anchoring bolt.
Furthermore, the opening of the clamping groove at the upper end of the side beam section steel is provided with a bump, and the opening of the clamping groove at the upper end of the middle beam section steel is not provided with a bump.
Further, the waterproof groove assembly comprises an upper waterproof plate, a lower waterproof plate and a drain pipe; the upper waterproof plate and the lower waterproof plate are L-shaped plates; two groups of upper waterproof plates are symmetrically arranged at the lower end of the middle beam section steel, one end of each upper waterproof plate is fixedly connected with the lower end of the middle beam section steel, and the other end of each upper waterproof plate is suspended and vertically folded downwards; two groups of lower waterproof plates are symmetrically arranged at the lower ends of the inner side walls of the two groups of side beam section steel, one ends of the lower waterproof plates are fixedly connected with the lower ends of the inner side walls of the side beam section steel, and the other ends of the lower waterproof plates are suspended and vertically folded upwards; the folding ends of the upper waterproof plate and the lower waterproof plate are staggered; the bottom of the lower waterproof plate is fixedly connected with the top of the drain pipe.
Further, the opening of the drain pipe is positioned between the folded ends of the upper waterproof plate and the lower waterproof plate.
Further, the quick-dismantling cover plate assembly comprises a cover plate assembly and a buffering noise reduction assembly; the upper end of the middle beam section steel is provided with a cover plate assembly, and two ends of the cover plate assembly are respectively connected with the tops of the two groups of side beam section steel; the bottom of the cover plate assembly is provided with a buffering noise reduction assembly, and the top of the middle beam section steel is connected with the bottom of the buffering noise reduction assembly.
Further, the cover plate assembly comprises a cover plate, a cover plate sliding groove and a limiting groove; two groups of cover plate sliding grooves are symmetrically formed in the tops of the two groups of side beam section steel; the two ends of the bottom of the cover plate are respectively in fit sliding connection with two groups of cover plate sliding grooves; the bottom of the cover plate is connected with the top of the buffering noise reduction assembly; a limiting groove is formed in the middle end of the bottom of the cover plate; the inside of the limiting groove is connected with a buffer end of the buffer noise reduction assembly; the top of the middle beam section steel is connected with the bottom of the buffer end of the buffer noise reduction assembly, and the upper end of the middle beam section steel is connected with the left and right inner walls of the limit groove in an inserting connection manner; the middle end of the cover plate is fixedly connected with the buffer end of the buffer noise reduction assembly and the top of the middle beam section steel through bolts; the bottoms of the left side and the right side of the limiting groove are in contact connection with the top of the rubber strip.
Further, the top of the cover plate is the same as the top level of the side beam section steel.
Furthermore, a plurality of groups of anti-skid grooves are formed in the top of the cover plate.
Further, the buffering and noise reducing assembly comprises a buffering pad and sound absorbing cotton; a buffer cushion is embedded and connected in the limiting groove; the top of the cushion pad is in contact connection with the top of the inner wall of the limit groove, and the bottom of the cushion pad is in contact connection with the top of the middle beam section steel; the middle end of the cover plate is fixedly connected with the top of the cushion pad and the middle beam section steel through bolts; and a plurality of groups of sound absorbing cotton are arranged at the bottom of the cover plate.
Furthermore, two groups of sound-absorbing cotton are symmetrically arranged at the bottom of the cover plate in a left-right mode, and the tops of the sound-absorbing cotton are fixedly connected with the bottom of the cover plate.
Advantageous effects
In the process of bridge body thermal expansion and contraction, the side beam section steel and the displacement box move left and right, two ends of the supporting beam slide in the displacement box, the position of the middle beam section steel is unchanged, and the rubber strip stretches and contracts along with the movement of the side beam section steel; when raining, rainwater firstly falls on the quick-dismantling cover plate assembly, and after a part of rainwater is blocked by the quick-dismantling cover plate assembly, the rainwater falls on the rubber strip from the gap to be waterproof; if leakage is caused by damage or sealing inaccuracy of the rubber strips, rainwater flows to the upper waterproof plate and the lower waterproof plate; go up waterproof board and lower waterproof board and be "L" template staggered arrangement, the rainwater can finally stay on lower waterproof board to discharge from the drain pipe, this structure prevents the seepage through multilayer waterproof, and when wearing parts damage, still can play the effect of insurance drainage, and the water-proof effects is more reliable.
When the side beam section steel at two sides of the expansion joint moves left and right due to the deformation of the bridge body, the left and right ends of the cover plate assembly of the quick-dismantling cover plate assembly slide in the cover plate sliding grooves so as to adapt to the deformation of the bridge body, and when an automobile passes through, the load of the cover plate is borne by the middle beam section steel and the side beam section steel at two ends together, so that the structure is reliable; the cover plate covers the upper part of the rubber strip, so that dust and sundries can be effectively prevented from accumulating on the rubber strip, gaps are blocked, the shrinkage performance is affected, and a certain waterproof effect is achieved; the limiting groove is positioned at the top of the device, so that the device is easier to clean; when the rubber strip is installed, the bottom of the limiting groove presses the top of the inner end of the rubber strip, and the rubber strip is fixed; when the cover plate is detached, the cover plate is lifted, the limiting groove is separated from the inner end of the rubber strip, and as the upper end of the clamping groove opening of the middle beam section steel is not provided with a convex block, the inner side of the rubber strip is easier to take out from the clamping groove than the outer side, and the rubber strip can be rapidly pulled out for replacement; when the automobile drives through the cover plate, the buffer pad of the buffer noise reduction assembly can provide a buffer effect, friction and vibration between the cover plate and the middle beam profile steel are reduced, and meanwhile, sound in the cavity of the device can be absorbed by the sound absorbing cotton, so that noise generated when the automobile drives through the expansion joint is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a perspective view of a main body structure of a bridge expansion joint with excellent waterproof performance;
FIG. 2 is a left side view of a bridge expansion joint structure with excellent waterproof performance;
FIG. 3 is a cross-sectional view taken along the direction A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along the B-B direction of FIG. 2;
fig. 5 is an enlarged view at C in fig. 3.
Reference numerals in the drawings represent respectively:
1. The novel water-proof type water tank comprises a middle beam section steel 2, side beam section steel 3, rubber strips 4, a water-proof tank assembly 41, an upper waterproof plate 42, a lower waterproof plate 43, a drain pipe 5, a quick-dismantling cover plate assembly 51, a cover plate assembly 511, a cover plate 512, a cover plate sliding chute 513, a limit groove 52, a buffering noise-reducing assembly 521, a buffer pad 522, sound-absorbing cotton 7, a supporting beam 8 and a displacement box.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is further described below with reference to examples.
Example 1
Referring to the attached drawings 1-5 in the specification, a bridge expansion joint with excellent waterproof performance comprises a middle beam section steel 1;
Two groups of side beam section steel 2 used for supporting the rubber strip 3 and the rubber strip 3 used for waterproofing are symmetrically arranged on the left side and the right side of the middle beam section steel 1;
The inner ends of the two groups of rubber strips 3 are respectively connected with the upper ends of the left side wall and the right side wall of the middle beam section steel 1 in a clamping way, and the outer ends of the rubber strips 3 are respectively connected with the upper ends of the inner side walls of the side beam section steel 2 in a clamping way through clamping grooves;
The lower end of the middle beam section steel 1 is connected with the upper end of a waterproof groove assembly 4 for preventing leakage, and the lower end of the side beam section steel 2 is connected with the lower end of the waterproof groove assembly 4;
The top of the middle beam section steel 1 is provided with a quick-dismantling cover plate assembly 5 which is used for quick dismantling and dust prevention, and the upper end of the side beam section steel 2 is connected with the left end and the right end of the quick-dismantling cover plate assembly 5;
the bottom of the middle beam section steel 1 is in contact connection with the tops of a plurality of groups of supporting beams 7 for supporting the expansion joints;
The bottoms of the two groups of side beam section steel 2 are symmetrically and fixedly connected with the tops of a plurality of groups of displacement boxes 8 for supporting the sliding of the supporting beams 7;
Both ends of the supporting beam 7 are in sliding connection with the inner wall of the displacement box 8;
The side beam steel 2 is fixedly connected with the external bridge body through anchor plates and anchor bars; the displacement box 8 is fixedly connected with the external bridge body through an anchoring bolt.
Preferably, the opening of the clamping groove at the upper end of the side beam section steel 2 is provided with a bump, and the opening of the clamping groove at the upper end of the middle beam section steel 1 is not provided with a bump.
The waterproof tank assembly 4 includes an upper waterproof plate 41, a lower waterproof plate 42, and a drain pipe 43; the upper waterproof board 41 and the lower waterproof board 42 are both L-shaped boards; two groups of upper waterproof plates 41 are symmetrically arranged at the lower end of the middle beam section steel 1, one end of each upper waterproof plate 41 is fixedly connected with the lower end of the middle beam section steel 1, and the other end of each upper waterproof plate 41 is suspended in the air and vertically folded downwards; two groups of lower waterproof plates 42 are symmetrically arranged at the lower ends of the inner side walls of the two groups of side beam section steel 2, one ends of the lower waterproof plates 42 are fixedly connected with the lower ends of the inner side walls of the side beam section steel 2, and the other ends of the lower waterproof plates 42 are suspended in the air and vertically folded upwards; the folded ends of the upper waterproof plate 41 and the lower waterproof plate 42 are staggered with each other; the bottom of the lower waterproof plate 42 is fixedly connected with the top of the drain pipe 43.
Preferably, the opening of the drain pipe 43 is located between the folded ends of the upper and lower waterproof plates 41 and 42.
When the device works, the bridge body moves left and right in the process of thermal expansion and contraction, the edge beam section steel 2 and the displacement box 8, two ends of the supporting beam 7 slide in the displacement box 8, the position of the middle beam section steel 1 is unchanged, and the rubber strip 3 stretches and contracts along with the movement of the edge beam section steel 2; when raining, rainwater firstly falls on the quick-dismantling cover plate assembly 5, and after blocking a part of the rainwater by the quick-dismantling cover plate assembly 5, the rainwater falls on the rubber strip 3 from the gap to be waterproof; if leakage occurs due to breakage of the rubber strip 3 or the sealing is not tight, rainwater flows onto the upper waterproof plate 41 and the lower waterproof plate 42; the upper waterproof plate 41 and the lower waterproof plate 42 are arranged in an L-shaped plate staggered mode, rainwater can finally stay on the lower waterproof plate 42 and is discharged from the drain pipe 43, the structure prevents leakage through multi-layer waterproofing, and the structure still plays a role in guaranteeing drainage when vulnerable parts are damaged, so that the waterproof effect is more reliable.
Example 2
In some embodiments, as shown in fig. 1-5, as a preferred embodiment of the present utility model, the quick disconnect cover plate assembly 5 includes a cover plate assembly 51 and a buffer noise reduction assembly 52; the upper end of the middle beam section steel 1 is provided with a cover plate assembly 51, and two ends of the cover plate assembly 51 are respectively connected with the tops of the two groups of side beam section steel 2; the bottom of the cover plate assembly 51 is provided with a buffering noise reduction assembly 52, and the top of the middle beam section steel 1 is connected with the bottom of the buffering noise reduction assembly 52.
The cover assembly 51 includes a cover 511, a cover slide slot 512 and a limit slot 513; two sets of cover plate sliding grooves 512 are symmetrically formed in the tops of the two sets of side beam section steel 2; the two ends of the bottom of the cover plate 511 are respectively connected with two groups of cover plate sliding grooves 512 in a fitting and sliding manner; the bottom of the cover plate 511 is connected with the top of the buffering noise reduction assembly 52; the middle end of the bottom of the cover plate 511 is provided with a limit groove 513; the buffer end of the buffer noise reduction component 52 is connected with the inside of the limit groove 513; the top of the middle beam section steel 1 is connected with the bottom of the buffer end of the buffer noise reduction assembly 52, and the upper end of the middle beam section steel 1 is connected with the left and right inner walls of the limit groove 513 in an inserting connection manner; the middle end of the cover plate 511 is fixedly connected with the buffer end of the buffer noise reduction assembly 52 and the top of the middle beam section steel 1 through bolts; the bottoms of the left side and the right side of the limit groove 513 are in contact connection with the top of the rubber strip 3.
Preferably, the top of the cover plate 511 is at the same level as the top of the side beam section steel 2.
Preferably, a plurality of sets of anti-slip grooves are provided at the top of the cover plate 511.
The cushioning noise reduction assembly 52 includes a cushion pad 521 and a sound absorbing cotton 522; a buffer pad 521 is embedded and connected in the limit groove 513; the top of the cushion pad 521 is in contact connection with the top of the inner wall of the limit groove 513, and the bottom of the cushion pad 521 is in contact connection with the top of the middle beam section steel 1; the middle end of 514 is fixedly connected with the top of the cushion pad 521 and the middle beam section steel 1 through bolts; a plurality of groups of sound absorbing cotton 522 are installed at the bottom of the cover plate chute 512.
Preferably, two groups of sound absorbing cotton 522 are symmetrically arranged at the bottom of the cover plate chute 512, and the tops of the sound absorbing cotton 522 are fixedly connected with the bottom of the cover plate chute 512.
When the device works, the side beam section steel 2 at two sides of the expansion joint moves left and right due to the deformation of the bridge body, the left end and the right end of the cover plate 511 of the cover plate assembly 51 of the quick-dismantling cover plate assembly 5 slide in the cover plate sliding groove 512 so as to adapt to the deformation of the bridge body, and when an automobile passes, the load of the cover plate 511 is borne by the middle beam section steel 1 and the side beam section steel 2 at two ends together, so that the structure is reliable; the cover plate 511 covers the upper part of the rubber strip 3, so that dust and sundries can be effectively prevented from accumulating on the rubber strip 3, gaps are blocked, shrinkage performance is affected, and a certain waterproof effect is achieved; the limiting groove 513 is positioned at the top of the device, so that the cleaning is easier; when the rubber strip 3 is installed, the bottom of the limit groove 513 presses the top of the inner end of the rubber strip 3 to fix the rubber strip 3; when the cover plate 511 is detached, the cover plate 511 is lifted, the limiting groove 513 is separated from the inner end of the rubber strip 3, and as the upper end of the clamping groove opening of the middle beam section steel 1 is not provided with a convex block, the inner side of the rubber strip 3 is easier to take out from the clamping groove than the outer side, and the rubber strip 3 can be rapidly pulled out for replacement; the buffering and noise reduction assembly 52 can provide buffering and noise reduction when the automobile passes through the cover plate 511, and reduce noise generated when the automobile passes through the expansion joint.
Example 3
In some embodiments, as shown in FIGS. 1-5, the cushioning noise reduction assembly 52 includes a cushion pad 521 and a sound absorbing cotton 522 as one preferred embodiment of the present utility model; a buffer pad 521 is embedded and connected in the limit groove 513; the top of the cushion pad 521 is in contact connection with the top of the inner wall of the limit groove 513, and the bottom of the cushion pad 521 is in contact connection with the top of the middle beam section steel 1; the middle end of the cover plate 511 is fixedly connected with the top of the cushion pad 521 and the middle beam section steel 1 through bolts; a plurality of groups of sound absorbing cotton 522 are installed at the bottom of the cover plate 511.
Preferably, two groups of sound absorbing cotton 522 are symmetrically arranged at the bottom of the cover plate 511, and the tops of the sound absorbing cotton 522 are fixedly connected with the bottom of the cover plate 511.
When the device works, when the automobile drives through the cover plate 511 of the cover plate assembly 51 of the quick-dismantling cover plate assembly 5, the buffer pad 521 of the buffer noise reduction assembly 52 can provide a buffer effect to reduce friction and vibration between the cover plate 511 and the middle beam profile steel 1, and meanwhile, the sound absorbing cotton 522 can absorb sound in a device cavity to reduce noise generated when the automobile drives through an expansion joint.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. The utility model provides a bridge expansion joint that waterproof performance is excellent, includes middle beam shaped steel (1), its characterized in that:
Two groups of side beam section steel (2) used for supporting the rubber strips (3) and the rubber strips (3) used for preventing water are symmetrically arranged on the left side and the right side of the middle beam section steel (1);
The lower end of the middle beam section steel (1) is connected with the upper end of the waterproof groove component (4) for preventing leakage, and the lower end of the side beam section steel (2) is connected with the lower end of the waterproof groove component (4);
The top of the middle beam section steel (1) is provided with a quick-dismantling cover plate assembly (5) which is used for quick dismantling and dust prevention, and the upper end of the side beam section steel (2) is connected with the left end and the right end of the quick-dismantling cover plate assembly (5);
The bottom of the middle beam section steel (1) is in contact connection with the tops of a plurality of groups of supporting beams (7) for supporting the expansion joints;
the bottoms of the two groups of side beam section steel (2) are symmetrically and fixedly connected with the tops of a plurality of groups of displacement boxes (8) for supporting the sliding of the supporting beams (7);
Both ends of the supporting beam (7) are in sliding connection with the inner wall of the displacement box (8).
2. The bridge expansion joint with excellent waterproof performance according to claim 1, wherein the opening of the clamping groove at the upper end of the side beam section steel (2) is provided with a bump, and the opening of the clamping groove at the upper end of the middle beam section steel (1) is not provided with a bump.
3. Bridge expansion joint with excellent waterproof performance according to claim 2, characterized in that the waterproof groove assembly (4) comprises an upper waterproof plate (41), a lower waterproof plate (42) and a drain pipe (43); the upper waterproof plate (41) and the lower waterproof plate (42) are L-shaped plates; two groups of upper waterproof plates (41) are symmetrically arranged at the lower end of the middle beam section steel (1), one end of each upper waterproof plate (41) is fixedly connected with the lower end of the middle beam section steel (1), and the other end of each upper waterproof plate (41) is suspended in the air and vertically folded downwards; two groups of lower waterproof plates (42) are symmetrically arranged at the lower ends of the inner side walls of the two groups of side beam section steel (2), one ends of the lower waterproof plates (42) are fixedly connected with the lower ends of the inner side walls of the side beam section steel (2), and the other ends of the lower waterproof plates (42) are suspended and vertically folded upwards; the folding ends of the upper waterproof plate (41) and the lower waterproof plate (42) are staggered; the bottom of the lower waterproof plate (42) is fixedly connected with the top of the drain pipe (43).
4. A bridge expansion joint with excellent waterproof performance according to claim 3, wherein the opening of the drain pipe (43) is located between the folded ends of the upper waterproof plate (41) and the lower waterproof plate (42).
5. The bridge expansion joint with excellent waterproof performance according to claim 4, wherein the quick-dismantling cover plate assembly (5) comprises a cover plate assembly (51) and a buffering noise reduction assembly (52); the upper end of the middle beam section steel (1) is provided with a cover plate assembly (51), and two ends of the cover plate assembly (51) are respectively connected with the tops of the two groups of side beam section steel (2); the bottom of the cover plate assembly (51) is provided with a buffering noise reduction assembly (52), and the top of the middle beam section steel (1) is connected with the bottom of the buffering noise reduction assembly (52).
6. The bridge expansion joint with excellent waterproof performance according to claim 5, wherein the cover plate assembly (51) comprises a cover plate (511), a cover plate sliding groove (512) and a limit groove (513); two groups of cover plate sliding grooves (512) are symmetrically formed in the tops of the two groups of side beam section steel (2); the two ends of the bottom of the cover plate (511) are respectively in fit sliding connection with two groups of cover plate sliding grooves (512); the bottom of the cover plate (511) is connected with the top of the buffering noise reduction assembly (52); a limiting groove (513) is formed in the middle end of the bottom of the cover plate (511); the inside of the limiting groove (513) is connected with a buffer end of the buffer noise reduction assembly (52); the top of the middle beam section steel (1) is connected with the bottom of the buffer end of the buffer noise reduction assembly (52), and the upper end of the middle beam section steel (1) is connected with the left and right inner walls of the limit groove (513) in a plugging manner; the middle end of the cover plate (511) is fixedly connected with the buffer end of the buffer noise reduction assembly (52) and the top of the middle beam section steel (1) through bolts; the bottoms of the left side and the right side of the limiting groove (513) are in contact connection with the top of the rubber strip (3).
7. The bridge expansion joint with excellent waterproof performance according to claim 6, wherein the top of the cover plate (511) is the same as the top level of the side beam section steel (2).
8. The bridge expansion joint with excellent waterproof performance according to claim 7, wherein a plurality of groups of anti-skid grooves are formed in the top of the cover plate (511).
9. The bridge expansion joint with excellent waterproof performance according to claim 8, wherein the buffering and noise reduction assembly (52) comprises a buffering pad (521) and a sound absorbing cotton (522); a buffer cushion (521) is embedded and connected in the limit groove (513); the top of the buffer pad (521) is in contact connection with the top of the inner wall of the limit groove (513), and the bottom of the buffer pad (521) is in contact connection with the top of the middle beam profile steel (1); the middle end of the cover plate (511) is fixedly connected with the top of the cushion pad (521) and the middle beam section steel (1) through bolts; a plurality of groups of sound absorbing cotton (522) are arranged at the bottom of the cover plate (511).
10. The bridge expansion joint with excellent waterproof performance according to claim 9, wherein two groups of sound absorbing cotton (522) are symmetrically installed at the bottom of the cover plate (511), and the tops of the sound absorbing cotton (522) are fixedly connected with the bottom of the cover plate (511).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322593770.9U CN220847074U (en) | 2023-09-25 | 2023-09-25 | Bridge expansion joint with excellent waterproof performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322593770.9U CN220847074U (en) | 2023-09-25 | 2023-09-25 | Bridge expansion joint with excellent waterproof performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220847074U true CN220847074U (en) | 2024-04-26 |
Family
ID=90785812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322593770.9U Active CN220847074U (en) | 2023-09-25 | 2023-09-25 | Bridge expansion joint with excellent waterproof performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220847074U (en) |
-
2023
- 2023-09-25 CN CN202322593770.9U patent/CN220847074U/en active Active
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