CN112681124A - Comb-tooth-shaped damping displacement bridge expansion device - Google Patents
Comb-tooth-shaped damping displacement bridge expansion device Download PDFInfo
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- CN112681124A CN112681124A CN202011570366.4A CN202011570366A CN112681124A CN 112681124 A CN112681124 A CN 112681124A CN 202011570366 A CN202011570366 A CN 202011570366A CN 112681124 A CN112681124 A CN 112681124A
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Abstract
The invention provides a comb-tooth-shaped shock-absorbing deflection bridge expansion device, which relates to the technical field of bridge protection and solves the problems that in the practical application process of the existing bridge protection expansion device, the kinetic energy born by a bridge cannot be dispersed in different directions when the bridge is subjected to shock absorption, so that the bridge still needs to bear larger impact force and has poor protection effect, and the bridge cannot simultaneously protect the transverse and longitudinal swinging of the bridge, so that the bridge is not completely protected, and the comb-tooth-shaped expansion device comprises a comb-tooth mechanism B, wherein the comb-tooth mechanism B is inserted at the right side position of the comb-tooth mechanism A, each shear fork A and each shear fork B are in cross hinge joint, and the two shear forks A and B are respectively in shaft joint at the outer side positions of two limit caps, so that when the bridge is subjected to transverse shock absorption through transverse hydraulic shock absorption, the transverse impact force is transmitted to two sides through the shear forks A and the shear forks B, so as to achieve the purpose of protecting the bridge.
Description
Technical Field
The invention belongs to the technical field of bridge protection, and particularly relates to a comb-tooth type damping deflection bridge expansion device.
Background
The bridge, generally mean erect in river, lake and sea, make the structure that vehicles and pedestrians can pass smoothly, in order to adapt to the modern high-speed traffic industry that develops, the bridge also draws the application as spanning mountain stream, unfavorable geology or meet other traffic needs and erect make the building that pass more convenient, the bridge generally is made up of superstructure, substructure, support and affiliated structure, the superstructure is also called the bridge and strides the structure, it is the main structure which strides over the obstacle; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like.
For example, application No.: CN202010887802.4 the invention discloses a comb-tooth-shaped shock-absorbing deflection bridge expansion device, which belongs to the technical field of bridge construction and comprises a first fixing plate, wherein the right part of the first fixing plate is provided with a second fixing plate, the right end of the first fixing plate is fixedly connected with three second trapezoidal blocks, the left end of the second fixing plate is fixedly connected with three first trapezoidal blocks, the three first trapezoidal blocks and the three second trapezoidal blocks are alternately distributed, the lower ends of the three second trapezoidal blocks are all provided with first sliding grooves, the upper inner walls of the three first sliding grooves are all provided with first sliding grooves, the left inner walls of the three mounting grooves are all provided with inserting grooves, the three inserting grooves are movably inserted with inserting rods, the circumferential surfaces of the three inserting rods are all sleeved with limiting plates, the left ends of the three limiting plates are respectively and fixedly connected with the left inner walls of the three mounting grooves, finally, multiple shock absorption through bridge joints can be realized, and the shock-absorbing expansion effect is greatly improved, prevent the extrusion or tensile fracture of bridge connection under adverse circumstances.
Based on the search of above-mentioned patent to and combine the equipment discovery among the prior art, above-mentioned equipment is when using, though can utilize multiple shock attenuation to protect the bridge, nevertheless there is the dispersion operation that can not carry out the equidirectional with the kinetic energy that the bridge bore when carrying out the shock attenuation to the bridge in the practical application process, therefore the bridge still need bear great impact force and then the guard effect is poor, moreover can't protect the horizontal and vertical swing of bridge simultaneously, consequently there is the protection incomplete.
Disclosure of Invention
In order to solve the technical problems, the invention provides a comb-tooth type damping and shifting bridge expansion device, which aims to solve the problems that in the actual application process of the existing bridge protection expansion device, the bridge still needs to bear large impact force and further has poor protection effect because the kinetic energy borne by the bridge cannot be dispersed in different directions when the bridge is damped, and the bridge cannot simultaneously protect the transverse and longitudinal swinging of the bridge, so that the protection is incomplete.
The invention relates to a comb-tooth type damping deflection bridge expansion device, which is achieved by the following specific technical means:
a comb tooth type damping displacement bridge expansion device comprises a comb tooth mechanism B, a transverse damping mechanism and a longitudinal damping mechanism, wherein the comb tooth mechanism B is inserted at the right side of the comb tooth mechanism A, and two auxiliary mechanisms with the same size are arranged on the front side and the rear side of the bottom ends of the comb tooth mechanism B and the comb tooth mechanism A; the transverse damping mechanisms are arranged at two positions, and the two transverse damping mechanisms are respectively arranged at the inner side positions of the two auxiliary mechanisms; the two longitudinal damping mechanisms are respectively arranged at the positions right below the comb tooth mechanism A and the comb tooth mechanism B; the longitudinal damping mechanism further comprises a longitudinal hydraulic damping device and a damper, the longitudinal hydraulic damping device is installed at the inner side positions of the driving guard plate and the driven guard plate, the damper is sleeved on the outer side of the longitudinal hydraulic damping device, and the driving guard plate and the driven guard plate are installed at the bottom end positions of the base A and the base B through positioning bolts in the installation state.
Furthermore, the comb tooth mechanism A comprises a base A, a fixing plate A and narrow comb teeth, the base A is in a U-shaped structural design, the fixing plate A is screwed on the top end face of the base A through five bolts in a transverse array, the bolts are the same in size, and the narrow comb teeth are connected to the rear side of the fixing plate A in a sliding mode in a transverse array;
furthermore, the comb tooth mechanism B comprises a base B, a fixed plate B and wide comb teeth, the base B is in a U-shaped structural design, the fixed plate B is screwed on the top end of the base B through five bolts with the same size in a transverse array, the wide comb teeth are connected to the front end face of the fixed plate B in a transverse array sliding mode, and the wide comb teeth and the narrow comb teeth are in cross splicing in the installation state;
furthermore, the auxiliary mechanism comprises a driven steel structural part, a driving steel structural part and stabilizing nuts, wherein the driven steel structural part is inserted at the left side position inside the driving steel structural part, through grooves with the same size are formed in the front side and the rear side of the inside of the driven steel structural part and the front side and the rear side of the inside of the driving steel structural part, the stabilizing nuts are arranged at four positions, each two stabilizing nuts form one group, two groups of stabilizing nuts are screwed at the top end positions inside the driven steel structural part and the driving steel structural part respectively, and the driven steel structural part and the driving steel structural part are screwed at the inner side positions of the base A and the base B through the stabilizing nuts in the installation state;
furthermore, the transverse damping mechanism comprises a transverse hydraulic damping part and a limiting cap, the limiting cap is provided with two positions, the diameters of the two limiting caps are different, the diameter of the limiting cap on the left side is larger than that of the limiting cap on the right side, and the two limiting caps are respectively sleeved on the left side and the right side of the outer peripheral surface of the transverse hydraulic damping part;
furthermore, the transverse shock absorption mechanism further comprises a shear fork A and a shear fork B, the shear fork A and the shear fork B are respectively provided with two positions, each position of the shear fork A and the shear fork B is in a group of cross hinge joint, the two positions of the shear fork A and the shear fork B are respectively in shaft joint with the outer side positions of the two limit caps, and the transverse hydraulic shock absorption is arranged at the inner side positions of the driven steel structural part and the driving steel structural part in the installation state;
furthermore, vertical damper is including initiative backplate, driven backplate and positioning bolt, initiative backplate and driven backplate are L shape structural design to peg graft relatively, driven backplate is pegged graft at the left side position of initiative backplate, positioning bolt is equipped with two altogether, and two positioning bolt twist respectively and connect the outside position at initiative backplate and driven backplate.
Compared with the prior art, the invention has the following beneficial effects:
in the invention, narrow comb teeth and wide comb teeth are inserted in a staggered manner, then driven steel structural members and driving steel structural members in two auxiliary mechanisms are respectively assembled at the bottom ends of the narrow comb teeth and the wide comb teeth through stabilizing nuts, and transverse damping mechanisms are assembled inside the driven steel structural members and the driving steel structural members, wherein the diameters of two limiting caps are different, the diameter of the limiting cap positioned on the left side is larger than that of the limiting cap positioned on the right side, the two limiting caps are respectively sleeved at the left side and the right side of the transverse hydraulic damping outer peripheral surface, each shear fork A and each shear fork B are in a group of cross hinge joint, and the two shear forks A and B are respectively in shaft joint at the outer side positions of the two limiting caps, so that when a bridge and the narrow comb teeth and the wide comb teeth are subjected to transverse impact, the transverse impact force is transmitted to two sides through the shear forks A and the shear forks B while the transverse hydraulic damping is subjected to transverse impact, in order to reach the purpose of protecting the bridge, on the other hand, because vertical hydraulic shock attenuation is installed in the inboard position of initiative backplate and driven backplate, and vertical hydraulic shock attenuation's outside cover is equipped with the attenuator, consequently can utilize vertical hydraulic shock attenuation to carry out multiple shock attenuation to the impulsive force when reducing through the attenuator from vertical impulsive force to reach safer practical purpose.
Drawings
Fig. 1 is a right side view schematically showing the structure of the present invention in a half-section state.
Fig. 2 is a schematic bottom side view of the present invention in a half-section state.
Fig. 3 is a left side view of the present invention in a half-section state.
Fig. 4 is a schematic view of the installation structure of the lateral vibration damper mechanism of the present invention.
Fig. 5 is a schematic front view of the present invention in a half-section state.
Fig. 6 is a schematic top view of the present invention in a half-section state.
Fig. 7 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention.
Fig. 8 is a schematic view of the longitudinal shock absorbing mechanism of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a comb mechanism A; 101. a base A; 102. fixing a plate A; 103. narrow comb teeth; 2. a comb tooth mechanism B; 201. a base B; 202. a fixing plate B; 203. wide comb teeth; 3. an auxiliary mechanism; 301. a driven steel structural member; 302. an active steel structural member; 303. a stabilizing nut; 4. a lateral shock absorbing mechanism; 401. performing transverse hydraulic damping; 402. a limiting cap; 403. a scissor fork A; 404. a scissor fork B; 5. a longitudinal damping mechanism; 501. an active guard plate; 502. a driven guard plate; 503. positioning the bolt; 504. longitudinal hydraulic shock absorption; 505. a damper.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a comb-tooth type damping deflection bridge expansion device, which comprises: the comb tooth mechanism B2, the transverse damping mechanism 4 and the longitudinal damping mechanism 5 are arranged, the comb tooth mechanism B2 is inserted at the right side of the comb tooth mechanism A1, and two auxiliary mechanisms 3 with the same size are arranged at the front side and the rear side of the bottom ends of the comb tooth mechanism B2 and the comb tooth mechanism A1; the transverse damping mechanisms 4 are arranged at two positions, and the two transverse damping mechanisms 4 are respectively arranged at the inner side positions of the two auxiliary mechanisms 3; the longitudinal damping mechanisms 5 are arranged at two positions, and the two longitudinal damping mechanisms 5 are respectively arranged at the positions right below the comb tooth mechanism A1 and the comb tooth mechanism B2; the longitudinal shock absorption mechanism 5 further comprises a longitudinal hydraulic shock absorption 504 and a damper 505, the longitudinal hydraulic shock absorption 504 is installed at the inner side positions of the driving guard plate 501 and the driven guard plate 502, the damper 505 is sleeved on the outer side of the longitudinal hydraulic shock absorption 504, and the driving guard plate 501 and the driven guard plate 502 are respectively installed at the bottom end positions of the base A101 and the base B201 through the positioning bolt 503 in the installation state.
The comb tooth mechanism A1 comprises a base A101, a fixing plate A102 and narrow comb teeth 103, wherein the base A101 is in a U-shaped structural design, the fixing plate A102 is screwed on the top end face of the base A101 through five bolts in the same size in a transverse array, and the narrow comb teeth 103 are in sliding connection on the rear side of the fixing plate A102 in the transverse array.
The comb tooth mechanism B2 comprises a base B201, a fixing plate B202 and wide comb teeth 203, the base B201 is in a U-shaped structural design, the fixing plate B202 is screwed on the top end of the base B201 through five bolts with the same size and in a transverse array, the front end face of the fixing plate B202 is in sliding connection with the wide comb teeth 203 in the transverse array, and the wide comb teeth 203 and the narrow comb teeth 103 are in cross insertion in the installation state.
Wherein, complementary unit 3 is including driven steel structure 301, initiative steel structure 302 and firm nut 303, the grafting of driven steel structure 301 is in the inside left side position of initiative steel structure 302, and the logical groove of equidimension has all been seted up to both sides around the inside of driven steel structure 301 and initiative steel structure 302, firm nut 303 is equipped with the four places altogether, wherein per two firm nuts 303 is a set of, and two sets of firm nuts 303 are twisted respectively and are connect at the inside top position of driven steel structure 301 and initiative steel structure 302, driven steel structure 301 and initiative steel structure 302 twist through firm nut 303 and connect the inboard position at base A101 and base B201 under the mounted state.
Wherein, horizontal damper 4 is including horizontal hydraulic shock attenuation 401 and spacing cap 402, spacing cap 402 is equipped with two altogether, and the diameter of two spacing caps 402 is different, wherein the diameter that is located left spacing cap 402 is greater than the spacing cap 402 diameter that is located the right side, and two spacing caps 402 cup joint respectively in the peripheral face left and right sides position of horizontal hydraulic shock attenuation 401, when bridge and narrow broach 103 and wide broach 203 suffer from horizontal impact, with horizontal impact force through horizontal hydraulic shock attenuation 401 shock attenuation while transmitting to both sides through scissors A403 and scissors B404 the impact force that suffers, in order to reach the mesh of protecting the bridge.
The transverse damping mechanism 4 further comprises a scissor A403 and a scissor B404, the scissor A403 and the scissor B404 are respectively provided with two positions, each of the scissor A403 and the scissor B404 is hinged in a group in a crossed manner, the two scissor A403 and the two scissor B404 are respectively connected to the outer side positions of the two limiting caps 402 in a shaft manner, and the transverse hydraulic damping 401 is installed at the inner side positions of the driven steel structural member 301 and the driving steel structural member 302 in an installation state.
The longitudinal damping mechanism 5 comprises a driving guard plate 501, a driven guard plate 502 and a positioning bolt 503, wherein the driving guard plate 501 and the driven guard plate 502 are both in L-shaped structural design and are oppositely inserted, the driven guard plate 502 is inserted at the left side of the driving guard plate 501, the positioning bolt 503 is provided with two positions, and the two positioning bolts 503 are screwed at the outer side positions of the driving guard plate 501 and the driven guard plate 502 respectively.
When in use: firstly, respectively screwing a fixed plate A102 and a fixed plate B202 in a comb mechanism A1 and a comb mechanism B2 to the top end face positions of a base A101 and a base B201 through bolts, respectively, enabling narrow comb teeth 103 and wide comb teeth 203 to be inserted in an interlaced manner, then respectively assembling driven steel structural members 301 and driving steel structural members 302 in two auxiliary mechanisms 3 to the bottom end positions of the narrow comb teeth 103 and the wide comb teeth 203 through stabilizing nuts 303, and assembling transverse damping mechanisms 4 in the two driven steel structural members 301 and the driving steel structural members 302, wherein the diameters of the two limiting caps 402 are different, the diameter of the limiting cap 402 on the left side is larger than that of the limiting cap 402 on the right side, the two limiting caps 402 are respectively sleeved on the left side and the right side of the outer peripheral surface of the transverse hydraulic damping 401, each shear fork A403 and each shear fork B404 are in a group and are in a crossed hinge joint, and the two shear forks A403 and B404 are respectively axially connected at the outer side positions of the two limiting caps 402, therefore, when the bridge and the narrow comb teeth 103 and the wide comb teeth 203 are transversely impacted, transverse impact force is absorbed through the transverse hydraulic shock absorption 401, and meanwhile, the impact force suffered by the shear forks A403 and B404 is transmitted to two sides, so that the aim of protecting the bridge is fulfilled;
on the other hand, when the bridge is subjected to impact force from the longitudinal direction, since the longitudinal hydraulic shock absorbers 504 are installed at the inner side positions of the driving guard plate 501 and the driven guard plate 502, and the dampers 505 are sleeved outside the longitudinal hydraulic shock absorbers 504, the impact force from the longitudinal direction can be reduced through the dampers 505 and simultaneously multiple shock absorbers can be performed on the impact force by using the longitudinal hydraulic shock absorbers 504, so as to achieve the purpose of being safer and more practical.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. The utility model provides a comb tooth type shock attenuation bridge telescoping device that shifts which characterized in that: the comb tooth mechanism comprises a comb tooth mechanism B (2), a transverse damping mechanism (4) and a longitudinal damping mechanism (5), wherein the comb tooth mechanism B (2) is inserted at the right side of the comb tooth mechanism A (1), and two auxiliary mechanisms (3) with the same size are arranged at the front side and the rear side of the bottom ends of the comb tooth mechanism B (2) and the comb tooth mechanism A (1); the transverse damping mechanisms (4) are arranged at two positions, and the two transverse damping mechanisms (4) are respectively arranged at the inner side positions of the two auxiliary mechanisms (3); the two longitudinal damping mechanisms (5) are arranged at two positions, and the two longitudinal damping mechanisms (5) are respectively arranged at the positions right below the comb tooth mechanism A (1) and the comb tooth mechanism B (2); the longitudinal damping mechanism (5) further comprises a longitudinal hydraulic damping device (504) and a damper (505), the longitudinal hydraulic damping device (504) is installed at the inner side positions of the driving guard plate (501) and the driven guard plate (502), the damper (505) is sleeved on the outer side of the longitudinal hydraulic damping device (504), and the driving guard plate (501) and the driven guard plate (502) are respectively installed at the bottom end positions of the base A (101) and the base B (201) through positioning bolts (503) in the installation state.
2. The comb-tooth-shaped shock-absorbing deflection bridge expansion device of claim 1, wherein: comb tooth mechanism A (1) is including base A (101), fixed plate A (102) and narrow broach (103), base A (101) are U-shaped structural design, fixed plate A (102) are screwed in the top end face position of base A (101) through the five equidimensions that are horizontal array, narrow broach (103) are horizontal array sliding connection in the rear side position of fixed plate A (102).
3. The comb-tooth-shaped shock-absorbing deflection bridge expansion device of claim 1, wherein: comb tooth mechanism B (2) are including base B (201), fixed plate B (202) and wide broach (203), base B (201) are U-shaped structural design, and the top of base B (201) has screwed up fixed plate B (202) through the bolt that is the same size of five places of horizontal array to the preceding terminal surface of fixed plate B (202) is horizontal array sliding connection and has wide broach (203), under the mounted state wide broach (203) and narrow broach (103) cross grafting.
4. The comb-tooth-shaped shock-absorbing deflection bridge expansion device of claim 1, wherein: complementary unit (3) are including driven steel structure (301), initiative steel structure (302) and firm nut (303), the grafting of driven steel structure (301) is in the inside left side position of initiative steel structure (302), and the logical groove of equidimension has all been seted up to both sides around the inside of driven steel structure (301) and initiative steel structure (302), firm nut (303) are equipped with everywhere altogether, and wherein per two firm nut (303) are a set of, and just two sets of firm nut (303) are twisted respectively and are connect at the inside top position of driven steel structure (301) and initiative steel structure (302), and driven steel structure (301) and initiative steel structure (302) are twisted through firm nut (303) and are connect in the inboard position of base A (101) and base B (201) under the installation state.
5. The comb-tooth-shaped shock-absorbing deflection bridge expansion device of claim 1, wherein: the transverse damping mechanism (4) comprises a transverse hydraulic damping body (401) and a limiting cap (402), the limiting cap (402) is provided with two positions, the diameters of the two limiting caps (402) are different, the diameter of the limiting cap (402) positioned on the left side is larger than that of the limiting cap (402) positioned on the right side, and the two limiting caps (402) are respectively sleeved on the left side and the right side of the outer peripheral surface of the transverse hydraulic damping body (401).
6. The comb-tooth-shaped shock-absorbing deflection bridge expansion device of claim 1, wherein: the transverse damping mechanism (4) further comprises a shear fork A (403) and a shear fork B (404), the shear fork A (403) and the shear fork B (404) are respectively provided with two positions, each shear fork A (403) and each shear fork B (404) are hinged in a crossing mode, the shear forks A (403) and the shear forks B (404) at the two positions are respectively connected to the outer side positions of the two limiting caps (402) in a shaft mode, and the transverse hydraulic damping mechanism (401) is installed at the inner side positions of the driven steel structural part (301) and the driving steel structural part (302) in an installation state.
7. The comb-tooth-shaped shock-absorbing deflection bridge expansion device of claim 1, wherein: the longitudinal damping mechanism (5) comprises a driving guard plate (501), a driven guard plate (502) and positioning bolts (503), wherein the driving guard plate (501) and the driven guard plate (502) are both in L-shaped structural design and are oppositely inserted, the driven guard plate (502) is inserted at the left side position of the driving guard plate (501), the positioning bolts (503) are provided with two positions, and the two positioning bolts (503) are screwed at the outer side positions of the driving guard plate (501) and the outer side position of the driven guard plate (502) respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011570366.4A CN112681124B (en) | 2020-12-26 | 2020-12-26 | Comb-tooth-shaped damping displacement bridge expansion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011570366.4A CN112681124B (en) | 2020-12-26 | 2020-12-26 | Comb-tooth-shaped damping displacement bridge expansion device |
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| CN112681124B CN112681124B (en) | 2022-07-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250077A (en) * | 2021-06-22 | 2021-08-13 | 毛晖 | Bridge expansion joint filling reinforcing member |
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| CN113250077B (en) * | 2021-06-22 | 2022-07-19 | 毛晖 | Bridge expansion joint filling reinforcing member |
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