CN218147783U

CN218147783U - Noise reduction type expansion device for bridge expansion joint

Info

Publication number: CN218147783U
Application number: CN202222753144.7U
Authority: CN
Inventors: 郭峰; 康福军; 梁顺甜; 周建锋
Original assignee: Foshan Shunde Agency Construction Project Center Foshan Shunde Engineering Construction Center
Current assignee: Foshan Shunde Agency Construction Project Center Foshan Shunde Engineering Construction Center
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2022-12-27
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a bridge expansion joint is with type of making an uproar telescoping device falls, including the bridge body, the mounting groove has been seted up at the inboard top of bridge body, the pitch layer has all been laid to the left and right sides at bridge body top, and telescopic machanism is installed to the inner chamber of mounting groove, and buffer gear is installed to telescopic machanism's inboard, and telescopic machanism installs at telescopic machanism's top and falls the mechanism of making an uproar, and telescopic machanism includes telescopic steel, and telescopic steel's bottom fixed mounting has U shaped steel in the inside of mounting groove, and the bottom welding in the telescopic steel outside has U shaped steel, and telescopic steel's bottom welding has the fixed block, and the inboard bottom of U shaped steel welds with the peripheral hardware of fixed block. The utility model discloses have the function of making an uproar of falling, reduce the noise that produces when the vehicle passes through, increase navigating mate's driving impression, prevent to produce the disturbance to resident on every side, and have the function of buffering, when the flexible deformation of bridge, cushion the bridge, increase the stability of bridge, improve the whole practicality of device.

Description

Noise reduction type expansion device for bridge expansion joint

Technical Field

The utility model relates to a bridge expansion joint technical field specifically is a bridge expansion joint is with type of making an uproar telescoping device falls.

Background

Along with the continuous development of the railway construction of China, the proportion of the bridge in the line is higher and higher, and in order to meet the requirements of higher smoothness and driving comfort, the quality of the bridge expansion joint is the important component of the upper structure of the bridge, and in order to make driving stable, a telescopic device is arranged between the expansion joints.

The utility model discloses a utility model patent of patent application publication No. CN207244442U discloses a bridge expansion joint, which comprises a bridge main body and an expansion joint, wherein the expansion joint divides the bridge main body into a first bridge main body and a second bridge main body, the first bridge main body is provided with a first connecting plate, the side of the second bridge main body opposite to the expansion joint is provided with a second connecting plate, the first connecting plate is provided with a plurality of first limiting holes, and the second connecting plate is provided with a plurality of second limiting holes; the first bridge main body and the second bridge main body are respectively sunken to form a bearing step; the top at expansion joint is equipped with the steel sheet, the steel sheet with be equipped with first buffer layer between the bearing step, two terminal surface downwardly extending of steel sheet form fixed end plate, the middle part of steel sheet is equipped with many spacing posts, spacing post passes first spacing hole and the spacing hole of second. The utility model provides a bridge expansion joint satisfies the flexible requirement of warping of bridge, and the structure is firm, bearing capacity is good.

But above-mentioned device still has some shortcomings when in actual use, and it is comparatively obvious do not have the function of making an uproar that falls, can produce the noise when the vehicle passes through the bridge expansion joint, influences navigating mate's drive impression, also can influence resident's life on every side simultaneously, and do not have the function of buffering, and the bridge is when flexible deformation, and the expansion joint can pull open or extrude, can't cushion the bridge, makes the bridge unstable, influences the problem of whole practicality.

Therefore, it is necessary to provide a noise reduction type expansion device for a bridge expansion joint to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge expansion joint is with type of making an uproar telescoping device falls possesses the advantage of making an uproar and carrying out the buffering when flexible the deformation to the bridge when making an uproar when the vehicle process, has solved and has not had the function of just making an uproar, influences navigating mate's driving impression and resident life on every side, and does not have the effect of buffering, makes the bridge unstable, influences the problem of whole practicality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bridge expansion joint is with type of making an uproar telescoping device falls, includes the bridge body, the mounting groove has been seted up at the inboard top of bridge body, the pitch layer has all been laid to the left and right sides at bridge body top, telescopic machanism is installed to the inner chamber of mounting groove, buffer gear is installed to telescopic machanism's inboard, the mechanism of making an uproar falls is installed at telescopic machanism's top, telescopic machanism includes flexible steel, the bottom fixed mounting of flexible steel is in the inside of mounting groove, the bottom welding in the flexible steel outside has U shaped steel, the bottom welding of flexible steel has the fixed block, the inboard bottom of U shaped steel welds with the peripheral hardware of fixed block.

Preferably, the inboard of flexible steel has first V type guide plate and V type rubber pad from last to pegging graft in proper order down, the inboard bottom fixedly connected with second V type guide plate of bridge body, buffer gear is a plurality of, buffer gear includes first framework and second framework, the left side of first framework welds with the right side of left flexible steel.

Preferably, the right side of second framework and the left side welding of the flexible steel on right side, the left side welding of first framework inner chamber has the dead lever, the left side movable sleeve of dead lever outer lane is equipped with expanding spring, the right side of first framework is located to the left side cover of second framework, the inner chamber to the second framework is run through on the right side of dead lever, the right side welding of dead lever has the stopper, expanding spring's right side and the left side welding of second framework.

Preferably, it includes comb shape steel cover plate third framework to fall the mechanism of making an uproar, the clearance packing of comb shape steel cover plate has the filler, the inboard top welding in the flexible steel outside of third framework, the spout has been seted up at the top of comb shape steel cover plate, first rectangular hole has been seted up to the bottom of spout inner chamber, the top of comb shape steel cover plate is provided with the sliding bolt.

Preferably, a second rectangular hole is formed in the top of the third frame body, and the bottom of the sliding bolt sequentially penetrates through the sliding groove, the first rectangular hole and the second rectangular hole and extends to the inner cavity of the third frame body.

Preferably, a fourth frame body is transversely welded in an inner cavity of the third frame body, a third rectangular hole is formed in the top of the fourth frame body, a nut is arranged in the inner cavity of the fourth frame body, and the bottom of the sliding bolt penetrates through the fourth frame body and is in threaded connection with the nut.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a comb shape steel deck, spout, filler, sliding bolt, first slot, nut, third slot, third framework and second slot's cooperation has the function of making an uproar of falling, reduces the noise that produces when the vehicle passes through, increases navigating mate's driving impression, prevents to produce the disturbance to resident on every side.

2. The utility model discloses a cooperation of expanding spring, dead lever, second framework, stopper and first framework has the function of buffering, when the flexible deformation of bridge, cushions the bridge, increases the stability of bridge, improves the whole practicality of device.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

fig. 2 is a front view of the telescopic mechanism of the present invention;

FIG. 3 is a front sectional view of the buffering mechanism of the present invention;

fig. 4 is a front view of the noise reduction mechanism of the present invention;

fig. 5 is a front view of the third frame and the second rectangular hole structure of the present invention.

In the figure: 1 bridge body, 2 pitch layers, 3 mounting grooves, 4 noise reduction mechanisms, 41 comb-shaped steel cover plates, 42 chutes, 43 fillers, 44 sliding bolts, 45 first rectangular holes, 46 nuts, 47 third rectangular holes, 48 fourth rectangular holes, 49 third rectangular holes, 410 second rectangular holes, 5 buffer mechanisms, 51 expansion springs, 52 fixing rods, 53 second rectangular holes, 54 limiting blocks, 55 first rectangular holes, 6 expansion mechanisms, 61 expansion steels, 62U-shaped steels, 63 fixing blocks, 64 first V-shaped guide plates, 65V-shaped rubber pads and 7 second V-shaped guide plates.

Detailed Description

Referring to fig. 1-5, a noise reduction type expansion device for a bridge expansion joint comprises a bridge body 1, wherein a mounting groove 3 is formed in the top of the inner side of the bridge body 1, asphalt layers 2 are laid on the left side and the right side of the top of the bridge body 1, an expansion mechanism 6 is mounted in an inner cavity of the mounting groove 3, a buffer mechanism 5 is mounted on the inner side of the expansion mechanism 6, a noise reduction mechanism 4 is mounted on the top of the expansion mechanism 6, the expansion mechanism 6 comprises expansion steel 61, the bottom of the expansion steel 61 is fixedly mounted in the mounting groove 3, U-shaped steel 62 is welded at the bottom of the outer side of the expansion steel 61, a fixing block 63 is welded at the bottom of the expansion steel 61, and the bottom of the inner side of the U-shaped steel 62 is welded with the periphery of the fixing block 63.

The inboard of flexible steel 61 is from last to having pegged graft in proper order down first V type guide plate 64 and V type rubber pad 65, the inboard bottom fixedly connected with second V type guide plate 7 of bridge body 1, buffer gear 5 is a plurality of, buffer gear 5 includes first framework 55 and second framework 53, the left side of first framework 55 and the right side welding of left flexible steel 61, through first V type guide plate 64 structure, can prevent that ash bed and rainwater from falling into the inside of bridge body 1, have dustproof and the function of drainage.

The right side of the second frame body 53 is welded with the left side of the right telescopic steel 61, the fixing rod 52 is welded on the left side of the inner cavity of the first frame body 55, the telescopic spring 51 is movably sleeved on the left side of the outer ring of the fixing rod 52, the right side of the first frame body 55 is sleeved on the left side of the second frame body 53, the right side of the fixing rod 52 penetrates through the inner cavity of the second frame body 53, the limiting block 54 is welded on the right side of the fixing rod 52, the right side of the telescopic spring 51 is welded with the left side of the second frame body 53, and the telescopic spring 51 has a telescopic function and can play a buffering role.

Noise reduction mechanism 4 includes comb shape steel cover plate 41 third framework 49, and the clearance packing of comb shape steel cover plate 41 has filler 43, the inboard of third framework 49 and the top welding in the flexible steel 61 outside, and spout 42 has been seted up at the top of comb shape steel cover plate 41, and first rectangular hole 45 has been seted up to the bottom of spout 42 inner chamber, and the top of comb shape steel cover plate 41 is provided with sliding bolt 44, through filler 43 structure, can the noise reduction, and cooperation comb shape steel cover plate 41 plays the function of making an uproar.

Second rectangular hole 410 has been seted up at the top of third framework 49, and sliding bolt 44's bottom runs through spout 42, first rectangular hole 45 and second rectangular hole 410 in proper order to extend to third framework 49's inner chamber, through sliding bolt 44 structure, can be fixed in the top of bridge body 1 with comb shape steel deck 41, play fixed effect.

The inner cavity of the third frame body 49 is transversely welded with a fourth frame body 48, a third rectangular hole 47 is formed in the top of the fourth frame body 48, a nut 46 is arranged in the inner cavity of the fourth frame body 48, the bottom of the sliding bolt 44 penetrates through the fourth frame body 48 and is in threaded connection with the nut 46, and the sliding bolt 44 can be fixed through the nut 46 structure to play a role in fixing.

When the bridge is used, when the bridge is in telescopic deformation, when the bridge moves to the inner side or the outer side, the telescopic steel 61 is driven to move to the inner side or the outer side, the first V-shaped guide plate 64 and the V-shaped rubber pad 65 are extruded or stretched through the inward or outward movement of the telescopic steel 61, the first frame body 55 and the second frame body 53 are driven to move to the inner side or the outer side at the same time, the telescopic spring 51 is extruded or stretched, the buffer effect is achieved, the comb-shaped steel cover plate 41 is also driven to move to the inner side or the outer side through the inward or outward movement of the bridge, the filler 43 is extruded or stretched through the inward or outward movement of the comb-shaped steel cover plate 41, the sliding bolt 44 and the nut 46 are driven to move to the inner side or the outer side at the same time, when a vehicle passes through, the noise of the vehicle is reduced through the comb-shaped steel cover plate 41 and the filler 43, and the purpose of reducing noise is achieved.

In conclusion: this type of making an uproar telescoping device falls in bridge expansion joint through the cooperation of falling mechanism 4 and buffer gear 5 of making an uproar, has solved and has not had the function of just falling the noise, influences navigating mate's driving impression and resident life on every side, and does not have the function of buffering, makes the bridge unstable, influences the problem of whole practicality.

Claims

1. The utility model provides a bridge expansion joint is with type of making an uproar telescoping device falls, includes bridge body (1), its characterized in that: mounting groove (3) have been seted up at the top of bridge body (1) inboard, asphalt layer (2) have all been laid to the left and right sides at bridge body (1) top, telescopic machanism (6) are installed to the inner chamber of mounting groove (3), buffer gear (5) are installed to the inboard of telescopic machanism (6), noise reduction mechanism (4) are installed at the top of telescopic machanism (6), telescopic machanism (6) are including flexible steel (61), the bottom fixed mounting in the inside of mounting groove (3) of flexible steel (61), the bottom welding in the flexible steel (61) outside has U shaped steel (62), the bottom welding of flexible steel (61) has fixed block (63), the peripheral hardware welding of the bottom in U shaped steel (62) inboard and fixed block (63).

2. The noise reduction type expansion device for the bridge expansion joint according to claim 1, wherein: the utility model provides a bridge structure, including telescopic steel (61), inboard bottom fixedly connected with second V type guide plate (7), buffer gear (5) are a plurality of, buffer gear (5) include first framework (55) and second framework (53), the left side of first framework (55) and the right side welding of left telescopic steel (61) from last to having pegged graft in proper order down of telescopic steel (61).

3. The noise reduction type expansion device for the bridge expansion joint according to claim 2, wherein: the right side of second framework (53) and the left side welding of the flexible steel (61) on right side, the left side welding of first framework (55) inner chamber has dead lever (52), the left side activity cover of dead lever (52) outer lane is equipped with expanding spring (51), the right side of first framework (55) is located to the left side cover of second framework (53), the inner chamber to second framework (53) is run through on the right side of dead lever (52), the right side welding of dead lever (52) has stopper (54), the right side of expanding spring (51) and the left side welding of second framework (53).

4. The noise reduction type expansion device for the bridge expansion joint according to claim 1, wherein: noise reduction mechanism (4) include comb shape steel cover plate (41) third framework (49), the clearance packing of comb shape steel cover plate (41) has filler (43), the inboard of third framework (49) and the top welding in flexible steel (61) outside, spout (42) have been seted up at the top of comb shape steel cover plate (41), first rectangular hole (45) have been seted up to the bottom of spout (42) inner chamber, the top of comb shape steel cover plate (41) is provided with sliding bolt (44).

5. The noise reduction type expansion device for the bridge expansion joint according to claim 4, wherein: a second rectangular hole (410) is formed in the top of the third frame body (49), and the bottom of the sliding bolt (44) penetrates through the sliding groove (42), the first rectangular hole (45) and the second rectangular hole (410) in sequence and extends to an inner cavity of the third frame body (49).

6. The noise reduction type expansion device for the bridge expansion joint according to claim 5, wherein: the inner cavity of the third frame body (49) is transversely welded with a fourth frame body (48), a third rectangular hole (47) is formed in the top of the fourth frame body (48), a nut (46) is arranged in the inner cavity of the fourth frame body (48), and the bottom of the sliding bolt (44) penetrates through the fourth frame body (48) and is in threaded connection with the nut (46).