CN214301244U - Simple environment-friendly low-noise expansion device - Google Patents
Simple environment-friendly low-noise expansion device Download PDFInfo
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- CN214301244U CN214301244U CN202022467815.4U CN202022467815U CN214301244U CN 214301244 U CN214301244 U CN 214301244U CN 202022467815 U CN202022467815 U CN 202022467815U CN 214301244 U CN214301244 U CN 214301244U
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Abstract
The utility model belongs to the technical field of the flexible application of bridge building, specifically disclose simple and easy type telescoping device of environmental protection low noise, including first embedded steel bar, the embedded steel bar of second, first fixed steel sheet, the fixed steel of second, first anchor slab, second anchor slab, sealing rubber strip, first pressure-bearing rubber board, second pressure-bearing rubber board, first dentate plate, second dentate plate, the first supplementary high-strength bolt of a plurality of and the supplementary high-strength bolt of a plurality of second etc.. The utility model discloses a simple and easy type telescoping device of environmental protection low noise's beneficial effect lies in: 1. the telescopic device has the advantages that the design structure is reasonable, the problem of rhythmic noise generated when the existing traditional telescopic device passes through a vehicle is solved, the telescopic device is convenient to install and construct, and has the characteristics of good integrity after assembly, high bending strength, good sealing performance, no jump when the vehicle passes through the telescopic device, low noise and wide application range; 2. the appearance is pleasing to the eye, when the noise reduction produced, does not influence the change of telescoping device sealing rubber strip, and the installation maintenance is simple.
Description
Technical Field
The utility model belongs to the technical field of the flexible application of bridge building, concretely relates to simple and easy type telescoping device of environmental protection low noise.
Background
The bridge expansion device is a general name of various devices which are arranged at the expansion part of the bridge and are composed of rubber, steel and other components, and mainly comprises a force transmission supporting system and a displacement control system, wherein the bridge expansion device is used for enabling a vehicle to stably pass through a bridge floor and meeting the requirement of deformation of an upper structure of the bridge, and has the main functions of transmitting vertical and horizontal loads of the vehicle to a beam body through the supporting structure and adapting to the change of longitudinal and transverse displacement of the bridge and the change of corners generated by warping of beam ends.
The bending resistance compressive strength of the present telescoping device is low, does not have the function of making an uproar simultaneously, and the structure is complicated, and is heavy, is unfavorable for installation and maintenance, and this is present to await the solution urgently.
Therefore, based on the above problems, the utility model provides a simple and easy type telescoping device of environmental protection low noise.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a simple and easy type telescoping device of environmental protection low noise, its project organization is reasonable, solves the problem of the rhythmical noise that current traditional telescoping device vehicle produced when passing through, and easy to assemble the construction convenient, has that the wholeness is good after the equipment, bending strength is high, the leakproofness is good, the vehicle is through dying steadily not having the jump, characteristics that the noise is low, and application scope is wide.
The technical scheme is as follows: the utility model provides a simple and easy type telescoping device of environmental protection low noise, including pre-buried first embedded steel bar in concrete bridge respectively, the pre-buried reinforcing bar of second, and set up the first fixed steel sheet in concrete bridge respectively, the fixed steel sheet of second, and set up respectively in concrete bridge and with first pre-buried reinforcing bar, the pre-buried reinforcing bar of second, first fixed steel sheet, the first anchor slab that the fixed steel sheet of second cooperateed and uses, the second anchor slab, and the symmetry sets up the first angle steel, the second angle steel of inner wall in concrete bridge upper portion one side, and both ends are through the first high-strength bolt of a plurality of, a plurality of second high-strength bolt respectively with first angle steel, second angle steel fixed connection's sealing rubber strip, and set up respectively at first anchor slab, the first bearing rubber slab on the second anchor slab, the second bearing rubber slab, and set up respectively at first bearing rubber slab, the first dentate plate on the second bearing rubber slab, The second toothed plate, the first bearing rubber plates and the first anchor plates are fixed on a plurality of first auxiliary high-strength bolts in the concrete bridge at one side, and the second toothed plate, the second bearing rubber plates and the second anchor plates are fixed on a plurality of second auxiliary high-strength bolts in the concrete bridge at the other side.
This technical scheme, simple and easy type telescoping device of environmental protection low noise still includes to set up respectively on concrete bridge and respectively with first dentate plate, first bearing rubber board, second dentate plate, the perpendicular baffle of first perpendicular baffle, the perpendicular baffle of second that the cooperation of second bearing rubber board used, wherein, first perpendicular baffle, the perpendicular baffle of second are made for rubber, and first perpendicular baffle, the second erect the baffle respectively with first dentate plate, reserve the clearance between the second dentate plate, the first bearing rubber board of one end salient of baffle, the second bearing rubber board of one end salient of baffle is erect to the second.
According to the technical scheme, the first angle steel and the second angle steel are respectively arranged to be of a strip structure.
According to the technical scheme, the first tooth-shaped plate and the second tooth-shaped plate are the same in thickness and size and are respectively larger than the thickness and size of the first pressure-bearing rubber plate or the thickness and size of the second pressure-bearing rubber plate, and the first pressure-bearing rubber plate and the second pressure-bearing rubber plate are the same in thickness and size.
According to the technical scheme, the height dimensions of the first angle steel and the second angle steel are respectively flush with the height dimensions of the connecting surfaces of the first pressure-bearing rubber plate and the second pressure-bearing rubber plate.
This technical scheme, simple and easy type telescoping device of environmental protection low noise still includes a set of first crossing reinforcing bar, a set of second crossing reinforcing bar of pre-buried in concrete bridge respectively.
According to the technical scheme, the first auxiliary high-strength bolts and the second auxiliary high-strength bolts are self-locking bolts, and the depth of the bolts embedded in the concrete bridge is more than or equal to 10 cm.
Compared with the prior art, the utility model discloses a simple and easy type telescoping device of environmental protection low noise's beneficial effect lies in: 1. The telescopic device has the advantages that the design structure is reasonable, the problem of rhythmic noise generated when the existing traditional telescopic device passes through a vehicle is solved, the telescopic device is convenient to install and construct, and has the characteristics of good integrity after assembly, high bending strength, good sealing performance, no jump when the vehicle passes through the telescopic device, low noise and wide application range; 2. the appearance is pleasing to the eye, when the noise reduction produced, does not influence the change of telescoping device sealing rubber strip, and the installation maintenance is simple.
Drawings
FIG. 1 is a schematic view of the overall cross-sectional structure of the simple environmental protection low noise expansion device of the present invention;
fig. 2 is a schematic view of the top view structure of the environment-friendly low-noise simple expansion device of the present invention.
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
The environment-friendly low-noise simple expansion device shown in fig. 1 and 2 comprises first embedded bars 10 and second embedded bars 19 (the first embedded bars and the second embedded bars are both arranged in an inverted U-shaped structure) which are respectively embedded in a concrete bridge, first fixed steel plates 12 and second fixed steel plates 2 which are respectively arranged in the concrete bridge, first anchor plates 8 and second anchor plates 17 which are respectively arranged in the concrete bridge and are matched with the first embedded bars 10, the second embedded bars 19, the first fixed steel plates 12 and the second fixed steel plates 2 for use, first angle steels 6 and second angle steels 15 which are symmetrically arranged on the inner wall of one side of the upper part of the concrete bridge, sealing rubber strips 5 which are respectively fixedly connected with the first angle steels 6 and the second angle steels 15 at two ends through a plurality of first high-strength bolts 14 and a plurality of second high-strength bolts 4, and are respectively arranged on the first anchor plates 8 and the second angle steels 15, A first pressure-bearing rubber plate 9 and a second pressure-bearing rubber plate 18 on a second anchor plate 17, a first tooth-shaped plate 7 and a second tooth-shaped plate 16 which are respectively arranged on the first pressure-bearing rubber plate 9 and the second pressure-bearing rubber plate 18, a plurality of first auxiliary high-strength bolts 13 which fix the first tooth-shaped plate 7, the first pressure-bearing rubber plate 9 and the first anchor plate 8 in a concrete bridge at one side, and a plurality of second auxiliary high-strength bolts 3 which fix the second tooth-shaped plate 16, the second pressure-bearing rubber plate 18 and the second anchor plate 17 in a concrete bridge at the other side; one ends of the first toothed plate 7 and the second toothed plate 16 are embedded in contact with each other.
Preferably, the environment-friendly low-noise simple expansion device further comprises a first vertical baffle 21 and a second vertical baffle 20 which are respectively arranged on the concrete bridge and respectively matched with the first toothed plate 7, the first pressure-bearing rubber plate 9, the second toothed plate 16 and the second pressure-bearing rubber plate 18 for use, wherein the first vertical baffle 21 and the second vertical baffle 20 are made of rubber, gaps are reserved between the first vertical baffle 21 and the second vertical baffle 20 and between the first toothed plate 7 and the second toothed plate 16 respectively (the first vertical baffle 21 and the second vertical baffle 20 separate the first toothed plate 7 and the second toothed plate 16 from the concrete bridge), one end of the first vertical baffle 21 protrudes out of the first pressure-bearing rubber plate 9, and one end of the second vertical baffle 20 protrudes out of the second pressure-bearing rubber plate 18; the first angle steel 6 and the second angle steel 15 are respectively arranged into a strip-shaped structure; the thickness of the first toothed plate 7 and the thickness of the second toothed plate 16 are the same and are respectively greater than the thickness of the first pressure-bearing rubber plate 9 or the thickness of the second pressure-bearing rubber plate 18, and the thickness of the first pressure-bearing rubber plate 9 and the thickness of the second pressure-bearing rubber plate 18 are the same; the height sizes of the first angle steel 6 and the second angle steel 15 are respectively flush with the height sizes of the connecting surfaces of the first pressure-bearing rubber plate 9 and the second pressure-bearing rubber plate 18; the environment-friendly low-noise simple expansion device also comprises a group of first transverse steel bars 11 and a group of second transverse steel bars 1 which are respectively embedded in the concrete bridge; and the first auxiliary high-strength bolts 13 and the second auxiliary high-strength bolts 3 are self-locking bolts, and the depth of the bolts embedded in the concrete bridge is more than or equal to 10 cm.
Examples
When the device is installed, the first anchor plate 8 and the second anchor plate 17 are fixedly connected with the first embedded steel bar 10 and the second embedded steel bar 19 which are respectively embedded in the bridge (specifically, welding can be adopted, the first anchor plate 8 and the second anchor plate 17 are adopted to replace the anchoring steel bars, the welding contact surfaces with the first embedded steel bar 10 and the second embedded steel bar 19 in the bridge are increased, the stress performance is enhanced), a plurality of first auxiliary high-strength bolts 13 and a plurality of second auxiliary high-strength bolts 3 respectively penetrate through the first fixing steel plate 12, the second fixed steel plate 2 forms a whole, the first tooth-shaped plate 7 and the second tooth-shaped plate 16 are connected with the first fixed steel plate 12 and the second fixed steel plate 2 through a plurality of first auxiliary high-strength bolts 13 and a plurality of second auxiliary high-strength bolts 3, the first tooth-shaped plate and the second tooth-shaped plate are fixed by nuts, concrete is poured at last, and the simple comb tooth type expansion device is fixedly connected with the bridge.
Combine together broach shape telescoping device and angle steel, the broach shape telescoping device low noise has been assembled, the shock attenuation (profile of tooth, reduce with the perpendicular contact surface of wheel, for prior art) and shaped steel telescoping device (being equipped with the sealing strip, for prior art) advantage that waterproof nature is good, and first dentate plate 7, second dentate plate 16 and first fixed steel sheet 12, second fixed steel sheet 2 is through the first supplementary high-strength bolt 13 of a plurality of, the supplementary high-strength bolt 3 detachably of a plurality of second is connected, can make things convenient for the maintenance of dentate plate to change, because first perpendicular baffle 21, the second is erect baffle 20 and is first dentate plate 7, second dentate plate 16 is kept apart with the concrete, when changing, need not chisel the concrete, it is more convenient to change.
The first angle steel 6 and the second angle steel 15 are arranged on the mutually opposite surfaces of the first fixed steel plate 12 and the second fixed steel plate 2 on two sides, a sealing rubber strip 5 is arranged between the first angle steel 6 and the second angle steel 15, two sides of the sealing rubber strip 5 are embedded into the first angle steel 6 and the second angle steel 15 through a plurality of first high-strength bolts 14 and a plurality of second high-strength bolts 4 and are respectively fixed on the first angle steel 6 and the second angle steel 15 and are fixed through vulcanization bonding, the sealing rubber strip 5 is V-shaped when not subjected to external force, the bridge structure can increase or decrease in clearance of a structural joint in the middle of the bridge under the action of thermal expansion and cold contraction and external force (wind load and the like), the expansion devices can move along with the movement, if in winter, the air temperature decreases, the bridge structure contracts, the expansion devices on two sides move oppositely, the first angle steel 6 and the second angle steel 15 drive the sealing rubber strip 5 to stretch towards two sides, and the sealing rubber strip 5 tends to be horizontal, the accumulated water is discharged, so that the phenomenon of icing of the accumulated water can be reduced.
In addition, a first bearing rubber plate 9 and a second bearing rubber plate 18 are respectively arranged between the first tooth-shaped plate 7, the second tooth-shaped plate 16 and the first fixed steel plate 12, and a plurality of first auxiliary high-strength bolts 13 are arranged between the second fixed steel plate 2, the first bearing rubber plate 9 and the second bearing rubber plate 18, a plurality of second auxiliary high-strength bolts 3 are connected with the first tooth-shaped plate 7, the second tooth-shaped plate 16 and the first fixed steel plate 12, and the second fixed steel plate 2, the first bearing rubber plate 9 and the second bearing rubber plate 18 can avoid the tooth-shaped plate from directly impacting with the first fixed steel plate 12 and the second fixed steel plate 2 to generate noise, and can also play a role in reinforcing bolt fastening (similar to a bolt gasket), and the first bearing rubber plate 9 and the second bearing rubber plate 18 also play roles in buffering and damping upper load.
This simple and easy type telescoping device of environmental protection low noise of structure, the supplementary high-strength bolt 3 of the first supplementary high-strength bolt 13 of a plurality of, a plurality of second are self-locking bolt, and self-locking bolt's sleeve surface is provided with the ring channel, and self-locking bolt buries the concrete degree of depth and is not less than 10cm, and the ring channel is handled on self-locking bolt's sleeve surface, strengthens the anchor nature, and difficult production is not hard up.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (7)
1. Simple and easy type telescoping device of environmental protection low noise, its characterized in that: the concrete bridge comprises first embedded steel bars (10) and second embedded steel bars (19) which are respectively embedded in a concrete bridge, first fixing steel plates (12) and second fixing steel plates (2) which are respectively arranged in the concrete bridge, first angle steel (6) and second angle steel (15) which are respectively arranged in the concrete bridge and matched with the first embedded steel bars (10), first anchor plates (8) and second anchor plates (2) for use, and sealing rubber strips (5) which are symmetrically arranged on the inner wall of one side of the upper portion of the concrete bridge, wherein the two ends of the sealing rubber strips are respectively fixedly connected with the first angle steel (6) and the second angle steel (15), and first rubber plates (9) and second bearing plates (9) which are respectively arranged on the first anchor plates (8) and the second anchor plates (17), The second pressure-bearing rubber plate (18), and set up first dentate plate (7), second dentate plate (16) on first pressure-bearing rubber plate (9), second pressure-bearing rubber plate (18) respectively, and fix first dentate plate (7), first pressure-bearing rubber plate (9), first anchor slab (8) a plurality of first supplementary high-strength bolt (13) in one side concrete bridge, and fix second dentate plate (16), second pressure-bearing rubber plate (18), a plurality of second supplementary high-strength bolt (3) in opposite side concrete bridge with second anchor slab (17).
2. The environment-friendly low-noise simple expansion device according to claim 1, wherein: the environment-friendly low-noise simple telescopic device further comprises a first vertical baffle (21) and a second vertical baffle (20) which are respectively arranged on the concrete bridge and are respectively matched with the first tooth-shaped plate (7), the first pressure-bearing rubber plate (9), the second tooth-shaped plate (16) and the second pressure-bearing rubber plate (18) for use, wherein the first vertical baffle (21) and the second vertical baffle (20) are made of rubber, a gap is reserved between the first vertical baffle (21) and the second vertical baffle (20) and between the first tooth-shaped plate (7) and the second tooth-shaped plate (16), one end of the first vertical baffle (21) protrudes out of the first pressure-bearing rubber plate (9), and one end of the second vertical baffle (20) protrudes out of the second pressure-bearing rubber plate (18).
3. The environmental protection low noise simple type expansion device according to claim 1 or 2, characterized in that: the first angle steel (6) and the second angle steel (15) are respectively arranged to be of a strip structure.
4. The environmental protection low noise simple type expansion device according to claim 1 or 2, characterized in that: the thickness dimension of the first toothed plate (7) and the thickness dimension of the second toothed plate (16) are the same and are respectively larger than the thickness dimension of the first pressure-bearing rubber plate (9) or the thickness dimension of the second pressure-bearing rubber plate (18), and the thickness dimension of the first pressure-bearing rubber plate (9) and the thickness dimension of the second pressure-bearing rubber plate (18) are the same.
5. The environment-friendly low-noise simple expansion device according to claim 1, wherein: the height dimensions of the first angle steel (6) and the second angle steel (15) are respectively flush with the height dimensions of the connecting surfaces of the first pressure-bearing rubber plate (9) and the second pressure-bearing rubber plate (18).
6. The environmental protection low noise simple type expansion device according to claim 1 or 2, characterized in that: the simple type telescoping device of environmental protection low noise still includes a set of first crossing reinforcing bar (11), a set of second crossing reinforcing bar (1) of pre-buried in the concrete bridge respectively.
7. The environment-friendly low-noise simple expansion device according to claim 1, wherein: the first auxiliary high-strength bolts (13) and the second auxiliary high-strength bolts (3) are self-locking bolts, and the depth of the bolts embedded in the concrete bridge is more than or equal to 10 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022467815.4U CN214301244U (en) | 2020-10-30 | 2020-10-30 | Simple environment-friendly low-noise expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022467815.4U CN214301244U (en) | 2020-10-30 | 2020-10-30 | Simple environment-friendly low-noise expansion device |
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| Publication Number | Publication Date |
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| CN214301244U true CN214301244U (en) | 2021-09-28 |
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| CN202022467815.4U Active CN214301244U (en) | 2020-10-30 | 2020-10-30 | Simple environment-friendly low-noise expansion device |
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| CN (1) | CN214301244U (en) |
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