CN112726393A

CN112726393A - Damping support with matching structure for bridge design

Info

Publication number: CN112726393A
Application number: CN202011583083.3A
Authority: CN
Inventors: 朱锋
Original assignee: Individual
Current assignee: Checsc Highway Maintenance And Test Technology Co ltd; China Highway Engineering Consultants Corp; CHECC Data Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-04-30
Anticipated expiration: 2040-12-28
Also published as: CN112726393B

Abstract

The invention provides a shock absorption support with a matching structure for bridge design, relates to the technical field of bridge shock absorption, and solves the problem that the shock absorption effect is reduced because a plurality of shock absorption structures cannot be matched with each other; the elasticity locking of fixing bolt can not be realized through structural improvement not hard up, and can not realize the antiskid problem of supporting tightly between fixing base and the bridge pole. A shock absorption support with a matching structure for bridge design comprises a base; the base is provided with a buffer structure, the base is further provided with four auxiliary structures, and the base is fixedly connected with a bridge frame. The rotating seat is welded on the sliding seat, and the rotating seat is rotatably connected with a gear which is meshed with the gear row A; the baffle ring is connected to the sliding rod A in a sliding mode, the gear row B is welded to the baffle ring and meshed with the gear, and the reverse moving structure of the baffle ring and the gear row B is formed by the gear row A, the rotating seat and the gear together, so that the top plate is buffered again.

Description

Damping support with matching structure for bridge design

Technical Field

The invention belongs to the technical field of bridge damping, and particularly relates to a damping support with a matching structure for bridge design.

Background

The bridge damping support is an important structural component for connecting an upper bridge structure and a lower bridge structure, and has the function of reliably transferring load and deformation borne by the upper bridge structure to the lower bridge structure so as to ensure the stability of the bridge.

As in application No.: CN201920934823.X relates to a bridge damping support, and in particular relates to a multistage damping support for bridge design. The utility model provides a traditional bridge damping support shock attenuation effect poor, installation and the inconvenient problem of regulation. A multi-stage damping support for bridge design comprises an upper rectangular pressing plate, a lower rectangular pressing plate, an upper cylindrical buffer block, a lower cylindrical buffer block, an upper rectangular connecting plate, a lower rectangular connecting plate, an upper circular sealing plate, a lower circular sealing plate, a buffer spring, a cylindrical buffer unit and an adjustable limiting mechanism; the cylindrical buffer unit is formed by staggered lamination of N circular rubber pads and N +1 circular stiffening steel plates from top to bottom; the adjustable limiting mechanism comprises an upper limiting cylinder, a lower limiting cylinder, an upper adjusting screw, a lower adjusting screw, an upper hexagon nut, a lower hexagon nut, an upper compression spring, a lower compression spring and a regular hexagon drive plate. The utility model is suitable for a bridge shock attenuation.

The bridge damping mount similar to the above application still has the following several shortcomings:

one is that, although the existing device can realize the damping effect of the damping seat through a plurality of damping structures, the damping structures of the existing device cannot be matched with each other, so that the damping effect is reduced; moreover, the damping mount and the bridge rod of the existing device cannot realize the elastic anti-loosening of the fixing bolt through structural improvement when being fixed, and cannot realize the tight anti-slip between the fixing base and the bridge rod.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a shock-absorbing support with a matching structure for bridge design is provided, so as to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides a shock absorption support with a matching structure for bridge design, which aims to solve the problem that the existing device can realize the shock absorption effect of the shock absorption support through a plurality of shock absorption structures, but the shock absorption structures cannot be matched with each other, so that the shock absorption effect is reduced; moreover, the damping mount and the bridge rod of the existing device cannot realize the elastic anti-loosening of the fixing bolt through structural improvement when being fixed, and cannot realize the problem of tight support and skid resistance between the fixing base and the bridge rod.

The invention relates to a damping support with a matching structure for bridge design, which aims and effects are achieved by the following specific technical means:

a shock absorption support with a matching structure for bridge design comprises a base; the base is provided with a buffer structure, four auxiliary structures are further arranged on the base, and the base is fixedly connected with a bridge frame; the auxiliary structure comprises a sliding seat, a tooth row A, a sliding bulge, a rotating seat, a gear, a baffle ring and a tooth row B, wherein the sliding seat is welded on the top end surface of the base; the tooth row A is welded with sliding bulges, and the sliding bulges are connected in the sliding seat in a sliding manner; the rotating seat is welded on the sliding seat, a gear is rotatably connected on the rotating seat, and the gear is meshed with the gear row A; the stop ring is connected to the sliding rod A in a sliding mode, the stop ring is welded with the gear row B, the gear row B is meshed with the gear, and the gear row A, the rotating seat and the gear form a reverse moving structure of the stop ring and the gear row B together.

Furthermore, the base comprises two burying seats and a groove, and the two burying seats are symmetrically welded on the base; the top end surface of each buried seat is provided with a groove in a rectangular array shape, and the bottom end surface of each buried seat is also provided with a groove in a rectangular array shape; the grooves arranged on the top end face of the burying seat and the grooves arranged on the bottom end face of the burying seat are distributed in a staggered mode, and the grooves are of a semi-cylindrical groove-shaped structure.

The base further comprises four sliding rods A, a top plate and an elastic piece A, wherein the four sliding rods A are welded on the top end face of the base, and the top plate is connected to the four sliding rods A in a sliding mode; the elastic pieces A are four in number, the four elastic pieces A are respectively sleeved on the four sliding rods A, and the four elastic pieces A jointly form an elastic buffer type structure of the top plate.

Furthermore, the buffer structure comprises a seat body, a sliding rod B, a stress block A and an elastic piece B, wherein the seat body is welded on the base, the sliding rod B is welded on the seat body, and the sliding rod B is connected with the two stress blocks A in a sliding manner; the elastic pieces B are totally provided with two elastic pieces B which are all sleeved on the sliding rod B, and the two elastic pieces B jointly form an elastic reset structure of the two stress blocks A.

Further, the base further comprises a poke rod A, the poke rod A is welded on the bottom end face of the top plate, and the poke rod A is in contact with the top end faces of the two stress blocks A; the top end faces of the two stress blocks A are of inclined structures, the two stress blocks A are arranged in a mirror image mode, and the two stress blocks A and the two elastic pieces B jointly form an auxiliary buffering structure of the top plate.

Furthermore, the buffer structure also comprises two stress blocks B, and the two stress blocks B are symmetrically connected to the sliding rod B in a sliding manner; the base further comprises two poking rods B, and the two poking rods B are symmetrically welded on the bottom end face of the top plate; the head end of the poke rod B is contacted with the top end face of the stress block B, the top end face of the stress block B is of an inclined structure, and the stress block B forms a top plate further buffer structure.

Furthermore, the base also comprises two fixed seats and two fixed bolts, and the two fixed seats are symmetrically welded on the top plate; fixing bolts are inserted into the two fixing seats and are in threaded connection with the bridge frame; the fixing seat is of a concave structure, and the fixing seat forms an elastic anti-loosening structure for the fixing bolt.

Furthermore, the bridge frame comprises two baffles, and the two baffles are symmetrically welded on the bottom end face of the bridge frame; the two baffles are of rectangular plate structures and are respectively contacted with the two fixing seats, and the baffles form a fixing seat clamping and fastening structure.

Compared with the prior art, the invention has the following beneficial effects:

the buffering structure is improved, firstly, four elastic pieces A are arranged, the four elastic pieces A are respectively sleeved on the four sliding rods A, and the four elastic pieces A jointly form an elastic buffering structure of the top plate, so that the damping and buffering effects of the top plate are realized; secondly, the poke rod A is welded on the bottom end face of the top plate and is in contact with the top end faces of the two stress blocks A; the top end surfaces of the two stress blocks A are of inclined structures, the two stress blocks A are arranged in a mirror image manner, and the two stress blocks A and the two elastic pieces B jointly form an auxiliary buffer structure of the top plate; thirdly, two poke rods B are arranged and symmetrically welded on the bottom end face of the top plate; the head end of the poke rod B is contacted with the top end face of the stress block B, the top end face of the stress block B is of an inclined structure, and the stress block B forms a top plate further buffer structure; fourthly, the rotating seat is welded on the sliding seat, and the rotating seat is rotatably connected with a gear which is meshed with the gear row A; the baffle ring is connected to the sliding rod A in a sliding mode, the gear row B is welded to the baffle ring and meshed with the gear, and the reverse moving structure of the baffle ring and the gear row B is formed by the gear row A, the rotating seat and the gear together, so that the top plate is buffered again.

Firstly, fixing bolts are inserted into the two fixing seats and are in threaded connection with the bridge frame; the fixing seat is of a concave structure and forms an elastic anti-loosening structure of the fixing bolt, so that the fixing seat is deformed after the fixing bolt is screwed down, and the deformed fixing seat can realize the elastic anti-loosening of the fixing bolt; the second, because of two baffles are rectangular plate structure, and two baffles contact with two fixing bases respectively to the baffle has constituteed the tight fastening formula structure of fixing base clamp, thereby can strengthen the frictional resistance with the baffle after the fixing base warp under fixing bolt's effect, and then has strengthened the fixed strength between roof and the bridge frame.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is an enlarged schematic view of fig. 1 at a.

Fig. 3 is an enlarged schematic view of fig. 1 at B according to the present invention.

Fig. 4 is an enlarged view of the structure of fig. 1 at C according to the present invention.

Fig. 5 is an enlarged view of fig. 1 at D according to the present invention.

Fig. 6 is a front view of the invention adjusted from fig. 1.

Fig. 7 is an enlarged view of fig. 6E according to the present invention.

Fig. 8 is an enlarged view of the structure of fig. 6 at F according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base; 101. burying a seat; 102. a groove; 103. a slide bar A; 104. a top plate; 105. an elastic member A; 106. a poke rod A; 107. a poke rod B; 108. a fixed seat; 109. fixing the bolt; 2. a buffer structure; 201. a base body; 202. a slide bar B; 203. a stress block A; 204. an elastic member B; 205. a stress block B; 3. an auxiliary structure; 301. a sliding seat; 302. a tooth row A; 303. a sliding projection; 304. a rotating seat; 305. a gear; 306. a baffle ring; 307. a tooth row B; 4. a bridge frame; 401. and a baffle plate.

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 shock-absorbing support with a matching structure for bridge design, which comprises a base 1; the base 1 is provided with a buffer structure 2, the base 1 is also provided with four auxiliary structures 3, and the base 1 is fixedly connected with a bridge frame 4; referring to fig. 1, fig. 3 and fig. 5, the auxiliary structure 3 includes a sliding seat 301, a tooth row a302, a sliding protrusion 303, a rotating seat 304, a gear 305, a baffle ring 306 and a tooth row B307, wherein the sliding seat 301 is welded on the top end surface of the base 1; a sliding bulge 303 is welded on the tooth row A302, and the sliding bulge 303 is connected in the sliding seat 301 in a sliding manner; a rotating seat 304 is welded on the sliding seat 301, a gear 305 is rotatably connected on the rotating seat 304, and the gear 305 is meshed with the tooth row A302; the baffle ring 306 is connected to the sliding rod a103 in a sliding manner, a tooth row B307 is welded on the baffle ring 306, the tooth row B307 is meshed with the gear 305, and the tooth row a302, the rotating seat 304 and the gear 305 jointly form a reverse moving structure of the baffle ring 306 and the tooth row B307, so that the top plate 104 is buffered again.

Referring to fig. 1 and 2, the base 1 includes two buried seats 101 and a groove 102, the two buried seats 101 are symmetrically welded on the base 1; the top end face of each burying seat 101 is provided with a groove 102 in a rectangular array shape, and the bottom end face of each burying seat 101 is also provided with a groove 102 in a rectangular array shape; the grooves 102 formed on the top end surface of the buried seat 101 and the grooves 102 formed on the bottom end surface of the buried seat 101 are distributed in a staggered manner, and the grooves 102 have a semi-cylindrical groove-shaped structure, so that the adhesion strength between the buried seat 101 and cement can be improved.

Referring to fig. 1, the base 1 further includes four sliding rods a103, a top plate 104 and an elastic member a105, the number of the sliding rods a103 is four, and the four sliding rods a103 are all welded on the top end surface of the base 1, and the top plate 104 is slidably connected on the four sliding rods a 103; the number of the elastic pieces A105 is four, the four elastic pieces A105 are respectively sleeved on the four sliding rods A103, and the four elastic pieces A105 jointly form an elastic buffer type structure of the top plate 104, so that the damping and buffering effects of the top plate 104 are realized.

Referring to fig. 1, the buffer structure 2 includes a seat body 201, a sliding rod B202, a force-bearing block a203 and an elastic member B204, the seat body 201 is welded on the base 1, and one sliding rod B202 is welded on the seat body 201, and two force-bearing blocks a203 are slidably connected on the sliding rod B202; the number of the elastic pieces B204 is two, the two elastic pieces B204 are sleeved on the sliding rod B202, and the two elastic pieces B204 form an elastic reset structure of the two stress blocks A203.

Referring to fig. 1 and 6, the base 1 further comprises a poke rod a106, the poke rod a106 is welded on the bottom end face of the top plate 104, and the poke rod a106 is in contact with the top end faces of the two force-bearing blocks a 203; the top end surfaces of the two stress blocks A203 are both of an inclined structure, the two stress blocks A203 are arranged in a mirror image shape, and the two stress blocks A203 and the two elastic pieces B204 jointly form an auxiliary buffer structure of the top plate 104.

Referring to fig. 1 and fig. 6, the buffer structure 2 further includes two force-receiving blocks B205, and the two force-receiving blocks B205 are symmetrically and slidably connected to the sliding rod B202; the base 1 further comprises two poking rods B107, and the two poking rods B107 are symmetrically welded on the bottom end face of the top plate 104; the head end of the poke rod B107 is contacted with the top end surface of the force-bearing block B205, the top end surface of the force-bearing block B205 is of an inclined structure, and the force-bearing block B205 forms a further buffer structure of the top plate 104.

Referring to fig. 1 and 4, the base 1 further includes two fixing seats 108 and two fixing bolts 109, the two fixing seats 108 are symmetrically welded to the top plate 104; the two fixing seats 108 are respectively inserted with a fixing bolt 109, and the fixing bolts 109 are in threaded connection with the bridge frame 4; the fixing seat 108 is a concave structure, and the fixing seat 108 constitutes an elastic anti-loosening structure of the fixing bolt 109, so that the fixing seat 108 deforms after the fixing bolt 109 is screwed down, and the deformed fixing seat 108 can realize the elastic anti-loosening of the fixing bolt 109.

Referring to fig. 1 and 4, the bridge frame 4 comprises two baffle plates 401, and the two baffle plates 401 are symmetrically welded on the bottom end face of the bridge frame 4; two baffle 401 are rectangular plate-shaped structure, and two baffle 401 contact with two fixing bases 108 respectively to baffle 401 has constituteed fixing base 108 and has pressed from both sides tight fastening formula structure, thereby can strengthen the frictional resistance with baffle 401 after fixing base 108 warp under fixing bolt 109's effect, and then has strengthened the fixed strength between roof 104 and bridge frame 4.

The specific use mode and function of the embodiment are as follows:

firstly, when the top plate 104 is fixed with the bridge frame 4, firstly, the two fixing seats 108 are respectively inserted with the fixing bolts 109, and the fixing bolts 109 are in threaded connection with the bridge frame 4; the fixing seat 108 is a concave structure, and the fixing seat 108 constitutes an elastic anti-loosening structure of the fixing bolt 109, so that the fixing seat 108 deforms after the fixing bolt 109 is screwed down, and the deformed fixing seat 108 can realize the elastic anti-loosening of the fixing bolt 109; secondly, as the two baffle plates 401 are both rectangular plate-shaped structures, the two baffle plates 401 are respectively contacted with the two fixed seats 108, and the baffle plates 401 form a clamping and fastening structure of the fixed seats 108, the frictional resistance between the baffle plates 401 and the fixed seats 108 can be enhanced after the fixed seats 108 are deformed under the action of the fixing bolts 109, and the fixing strength between the top plate 104 and the bridge frame 4 is further enhanced;

during elastic buffering, firstly, four elastic pieces A105 are arranged, the four elastic pieces A105 are respectively sleeved on the four sliding rods A103, and the four elastic pieces A105 jointly form an elastic buffering type structure of the top plate 104, so that the damping buffering effect of the top plate 104 is realized; secondly, the poke rod A106 is welded on the bottom end face of the top plate 104, and the poke rod A106 is in contact with the top end faces of the two stress blocks A203; the top end surfaces of the two stress blocks A203 are both of an inclined structure, the two stress blocks A203 are arranged in a mirror image shape, and the two stress blocks A203 and the two elastic pieces B204 jointly form an auxiliary buffer structure of the top plate 104; thirdly, two poke rods B107 are arranged, and the two poke rods B107 are symmetrically welded on the bottom end face of the top plate 104; the head end of the poke rod B107 is contacted with the top end face of the force-bearing block B205, the top end face of the force-bearing block B205 is of an inclined structure, and the force-bearing block B205 forms a further buffer structure of the top plate 104; fourthly, the rotating seat 304 is welded on the sliding seat 301, the rotating seat 304 is rotatably connected with a gear 305, and the gear 305 is meshed with the tooth row A302; the baffle ring 306 is connected to the sliding rod a103 in a sliding manner, a tooth row B307 is welded on the baffle ring 306, the tooth row B307 is meshed with the gear 305, and the tooth row a302, the rotating seat 304 and the gear 305 jointly form a reverse moving structure of the baffle ring 306 and the tooth row B307, so that the top plate 104 is buffered again.

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

1. The utility model provides a damping support for bridge design with cooperation structure which characterized in that: comprises a base (1); the buffer structure (2) is arranged on the base (1), the four auxiliary structures (3) are also arranged on the base (1), and the bridge frame (4) is fixedly connected to the base (1); the auxiliary structure (3) comprises a sliding seat (301), a tooth row A (302), a sliding bulge (303), a rotating seat (304), a gear (305), a baffle ring (306) and a tooth row B (307), and the sliding seat (301) is welded on the top end face of the base (1); a sliding bulge (303) is welded on the tooth row A (302), and the sliding bulge (303) is connected in the sliding seat (301) in a sliding manner; the rotating seat (304) is welded on the sliding seat (301), a gear (305) is rotatably connected on the rotating seat (304), and the gear (305) is meshed with the gear row A (302); the blocking ring (306) is connected to the sliding rod A (103) in a sliding mode, a tooth row B (307) is welded to the blocking ring (306), the tooth row B (307) is meshed with the gear (305), and the tooth row A (302), the rotating seat (304) and the gear (305) jointly form a reverse moving structure of the blocking ring (306) and the tooth row B (307).

2. The shock-absorbing support with the matching structure for bridge design of claim 1, wherein: the base (1) comprises two burying bases (101) and a groove (102), and the two burying bases (101) are symmetrically welded on the base (1); the top end face of each buried seat (101) is provided with a groove (102) in a rectangular array shape, and the bottom end face of each buried seat (101) is also provided with a groove (102) in a rectangular array shape; the grooves (102) formed in the top end face of the burying seat (101) and the grooves (102) formed in the bottom end face of the burying seat (101) are distributed in a staggered mode, and the grooves (102) are of a semi-cylindrical groove-shaped structure.

3. The shock-absorbing support with the matching structure for bridge design of claim 1, wherein: the base (1) further comprises four sliding rods A (103), a top plate (104) and an elastic piece A (105), the number of the sliding rods A (103) is four, the four sliding rods A (103) are all welded on the top end face of the base (1), and the four sliding rods A (103) are connected with the top plate (104) in a sliding mode; the elastic pieces A (105) are four in number, the four elastic pieces A (105) are respectively sleeved on the four sliding rods A (103), and the four elastic pieces A (105) jointly form an elastic buffer type structure of the top plate (104).

4. The shock-absorbing support with the matching structure for bridge design of claim 1, wherein: the buffer structure (2) comprises a base body (201), a sliding rod B (202), a stress block A (203) and an elastic piece B (204), wherein the base body (201) is welded on the base (1), the sliding rod B (202) is welded on the base body (201), and the sliding rod B (202) is connected with the two stress blocks A (203) in a sliding mode; the two elastic pieces B (204) are arranged, the two elastic pieces B (204) are sleeved on the sliding rod B (202), and the two elastic pieces B (204) jointly form an elastic reset structure of the two stress blocks A (203).

5. The shock-absorbing support with the matching structure for bridge design of claim 1, wherein: the base (1) further comprises a poke rod A (106), the poke rod A (106) is welded on the bottom end face of the top plate (104), and the poke rod A (106) is in contact with the top end faces of the two stress blocks A (203); the top end surfaces of the two stress blocks A (203) are of inclined structures, the two stress blocks A (203) are arranged in a mirror image mode, and the two stress blocks A (203) and the two elastic pieces B (204) jointly form an auxiliary buffer structure of the top plate (104).

6. The shock-absorbing support with the matching structure for bridge design of claim 1, wherein: the buffer structure (2) further comprises two stress blocks B (205), the two stress blocks B (205) are arranged, and the two stress blocks B (205) are symmetrically connected to the sliding rod B (202) in a sliding manner; the base (1) further comprises two poking rods B (107), the two poking rods B (107) are arranged, and the two poking rods B (107) are symmetrically welded on the bottom end face of the top plate (104); the head end of the poke rod B (107) is in contact with the top end face of the stress block B (205), the top end face of the stress block B (205) is of an inclined structure, and the stress block B (205) forms a further buffer structure of the top plate (104).

7. The shock-absorbing support with the matching structure for bridge design of claim 1, wherein: the base (1) further comprises two fixing seats (108) and two fixing bolts (109), wherein the two fixing seats (108) are symmetrically welded on the top plate (104); fixing bolts (109) are inserted into the two fixing seats (108), and the fixing bolts (109) are in threaded connection with the bridge frame (4); the fixing seat (108) is of a concave structure, and the fixing seat (108) forms an elastic anti-loosening structure of the fixing bolt (109).

8. The shock-absorbing support with the matching structure for bridge design of claim 1, wherein: the bridge frame (4) comprises two baffle plates (401), and the two baffle plates (401) are symmetrically welded on the bottom end face of the bridge frame (4); two baffles (401) are rectangular plate-shaped structures, and two baffles (401) contact with two fixing bases (108) respectively, and the baffle (401) constitutes fixing base (108) and presss from both sides tight fastening formula structure.