CN115288004A

CN115288004A - Digital bridge connection structure

Info

Publication number: CN115288004A
Application number: CN202210975298.2A
Authority: CN
Inventors: 祝可为; 李冰; 杨相如
Original assignee: Fujian Chuanzheng Communications College
Current assignee: Fujian Chuanzheng Communications College
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-11-04
Also published as: LU502783B1

Abstract

The invention discloses a digital bridge connecting structure which comprises a cross beam and a supporting beam, wherein the supporting beam is detachably connected to the cross beam through a connecting device, the connecting device comprises a connecting clamping block, two opposite inner walls of the connecting clamping block are provided with connecting mechanisms, the side wall of the cross beam is provided with two mounting grooves, the two connecting mechanisms are respectively positioned in the two mounting grooves, the connecting clamping block is detachably connected with the cross beam through the connecting mechanisms, the top of the connecting clamping block is provided with an angle adjusting mechanism, the supporting beam is fixedly connected to the angle adjusting mechanism, the connecting mechanism comprises a first connecting part and a second connecting part, and the first connecting part and the second connecting part correspond to each other and are arranged in a cross shape. According to the invention, the first connecting part and the second connecting part which are arranged in a cross shape are used for fixing the connecting clamping block in two dimensions, so that the phenomenon that the connecting part is loosened after the steel material is shrunk due to temperature change is avoided.

Description

Digital bridge connection structure

Technical Field

The invention relates to the technical field of bridge construction, in particular to a digital bridge connecting structure.

Background

The steel truss girder bridge is a structural form that a solid-web steel plate girder bridge is hollow according to a certain rule, and the structure is a stress mode of the girder as a whole, namely a structure mainly bearing bending moment and shearing force. Comprises a brake connection system, a bridge floor, a support and a pier.

The fixed mode of each member in the steel truss girder bridge truss among the prior art is directly through the bolt fastening, and the problem that this kind of fixed mode exists lies in, and the metal material receives the influence of temperature to easily take place the shrink change, and the vibration that the vehicle produced on the bridge extremely easily leads to the junction to take place to become flexible, consequently need invest a large amount of manpower and materials to go the periodic overhaul, and maintenance cost is high, consequently needs a connection structure urgent need to reduce the big problem of maintenance cost because the junction is not flexible to lead to.

Disclosure of Invention

The invention aims to provide a digital bridge connecting structure to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a digital bridge connecting structure which comprises a cross beam and a supporting beam, wherein the supporting beam is detachably connected to the cross beam through a connecting device, the connecting device comprises a connecting fixture block, two opposite inner walls of the connecting fixture block are provided with connecting mechanisms, the side wall of the cross beam is provided with two mounting grooves, the two connecting mechanisms are respectively positioned in the two mounting grooves, the connecting fixture block is detachably connected with the cross beam through the connecting mechanisms, the top of the connecting fixture block is provided with an angle adjusting mechanism, the supporting beam is fixedly connected to the angle adjusting mechanism, the connecting mechanism comprises a first connecting part and a second connecting part, and the first connecting part and the second connecting part correspond to each other and are arranged in a cross shape.

Preferably, the first connecting part comprises a connecting bolt, through holes are formed in the side wall of the connecting clamping block and the side wall of the mounting groove, the through hole in the side wall of the connecting clamping block and the through hole in the side wall of the mounting groove are coaxially arranged, the connecting bolt is inserted into the through hole, a nut is connected to one end of the connecting bolt in a threaded manner, and the nut is abutted against the inner side wall of the beam; and a limiting mechanism is arranged on the inner side wall of the connecting clamping block and corresponds to the connecting bolt.

Preferably, the limiting mechanism comprises an installation block, a connection hole is formed in the installation block, the connection bolt is matched with the connection hole, the installation block is located in the installation groove, a cavity is formed in the installation block, the cross section of the cavity is rectangular, an extrusion block is slidably connected in the cavity and is in a frustum-shaped arrangement, a long hole is formed in the middle of the extrusion block, the connection bolt is inserted in the long hole, a limiting block is fixedly connected to the connection bolt and abutted against the side wall of the extrusion block, the second connection portions are two and are all arranged in the cavity, the two second connection portions are arranged at equal intervals around the axis of the connection bolt, the bottom of each second connection portion is abutted against the outer wall of the extrusion block, a limiting groove is formed in the inner wall of the installation groove, a communication hole is formed in the side wall of the cavity, and the top end of each second connection portion extends out of the cavity through the communication hole and is in limiting fit with the limiting groove.

Preferably, the second connecting portion include fixed connection in the mount of cavity inner wall, sliding connection has the sliding sleeve on the mount, sliding sleeve bottom fixedly connected with carrier block, the carrier block is kept away from one side of sliding sleeve with the extrusion piece butt, sliding sleeve outer wall cover is equipped with first spring, first spring both ends respectively with the mount bottom surface carrier block top surface fixed connection, spacing sliding connection has the fixed block in the sliding sleeve, fixedly connected with gag lever post on the fixed block, the gag lever post stretches out the sliding sleeve with spacing cooperation of spacing groove, fixedly connected with second spring in the sliding sleeve, second spring one end with fixed block fixed connection.

Preferably, the angle adjusting mechanism comprises a mounting plate hinged to the top end of the connecting clamping block, the top of the connecting clamping block is connected with an extruding wedge block in a sliding mode, the cross section of the extruding wedge block is in a right trapezoid shape, the inclined surface of the extruding wedge block is connected with the side surface of the mounting plate in a sliding mode in a clamped mode, the top end of the connecting clamping block is provided with a pushing assembly, the pushing assembly is abutted to the extruding wedge block, and the supporting beam is fixedly connected to the mounting plate.

Preferably, the pushing assembly comprises a fixed seat fixedly connected to the top end of the connecting clamping block, a threaded rod is rotatably connected to the fixed seat, a groove is formed in one side of the extrusion wedge block, and one end of the threaded rod is abutted to the inner wall of the groove.

Preferably, the side wall of the mounting plate is fixedly connected with a sliding block, a limiting clamping groove is formed in the inclined surface of the extrusion wedge block, and the sliding block is clamped in the limiting clamping groove in a sliding mode.

Preferably, the inner wall of the cavity is fixedly connected with a sliding rod, the extrusion block is provided with a sliding hole, the sliding hole and the extrusion block are coaxially arranged, and the extrusion block is connected with the sliding rod in a sliding manner through the sliding hole.

Preferably, one end of the sliding sleeve is fixedly connected with a limiting ring, the limiting rod is in sliding fit with the inner wall of the limiting ring, and the limiting ring is in limiting fit with the fixing block.

Preferably, the cross-sectional shapes of the sliding sleeve, the limiting rod and the limiting groove are all rectangular.

The invention discloses the following technical effects: firstly, the stress condition of a component needs to be analyzed through a digital model before the component is built, then required components are manufactured, a connecting clamping block is fixed on a cross beam through a connecting mechanism when the component is used, then a supporting beam is fixed on an angle adjusting mechanism, the angle of the angle adjusting mechanism is adjusted, and the other end of the supporting beam is fixed with the other cross beam through the connecting mechanism, so that the supporting beam is fixed. According to the invention, the first connecting part and the second connecting part which are arranged in a cross shape are used for fixing the connecting clamping block in two dimensions, so that the phenomenon that the connecting part is loosened after the steel material is shrunk due to temperature change is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is an isometric view of a digital bridge connection structure according to the present invention;

FIG. 2 is a cross-sectional view of a top view of a digital bridge connection structure according to the present invention;

FIG. 3 is a front view of a digital bridge connection structure according to the present invention;

FIG. 4 is a schematic view of the second connecting portion and the first connecting portion of the present invention;

fig. 5 is a schematic structural diagram of embodiment 2 of the present invention.

The device comprises a beam-1, a support beam-2, a connecting clamping block-3, a mounting groove-4, a connecting bolt-5, a nut-6, a mounting block-7, a cavity-8, an extrusion block-9, a limiting block-10, a fixing frame-11, a sliding sleeve-12, a bearing block-13, a first spring-14, a fixing block-15, a limiting rod-16, a second spring-17, a mounting plate-18, an extrusion wedge-19, a fixing seat-20, a threaded rod-21, a sliding block-22, a sliding rod-23, a limiting ring-24 and a positioning rod-25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Example 1:

the invention provides a digital bridge connecting structure which comprises a cross beam 1 and a supporting beam 2, wherein the supporting beam 2 is detachably connected to the cross beam 1 through a connecting device, the connecting device comprises a connecting fixture block 3, two inner walls of the connecting fixture block 3 are provided with connecting mechanisms, the side wall of the cross beam 1 is provided with two mounting grooves 4, the two connecting mechanisms are respectively positioned in the two mounting grooves 4, the connecting fixture block 3 is detachably connected with the cross beam 1 through the connecting mechanism, the top of the connecting fixture block 3 is provided with an angle adjusting mechanism, the supporting beam 2 is fixedly connected to the angle adjusting mechanism, the connecting mechanism comprises a first connecting part and a second connecting part, and the first connecting part and the second connecting part correspond to each other and are arranged in a cross shape.

Firstly, the stress condition of a component is analyzed through a digital model before construction, then required components are manufactured, a connecting fixture block 3 is fixed on a cross beam 1 through a connecting mechanism during use, then a supporting beam 2 is fixed on an angle adjusting mechanism, and the angle of the angle adjusting mechanism is adjusted, so that the other end of the supporting beam 2 is fixed with another cross beam 1 through the connecting mechanism, and the supporting beam 2 is fixed. According to the invention, the first connecting part and the second connecting part which are arranged in a cross shape are used for fixing the connecting clamping block 3 in two dimensions, so that the phenomenon that the connecting part is loosened after the steel material is shrunk due to temperature change is avoided.

Further, the first connecting part comprises a connecting bolt 5, through holes are formed in the side wall of the connecting fixture block 3 and the side wall of the mounting groove 4, the through hole in the side wall of the connecting fixture block 3 and the through hole in the side wall of the mounting groove 4 are coaxially arranged, the connecting bolt 5 is inserted into the through hole, a nut 6 is connected to one end of the connecting bolt 5 in a threaded manner, and the nut 6 is abutted against the inner side wall of the beam 1; limiting mechanism is installed to 3 inside walls of connecting fixture block, and limiting mechanism corresponds the setting with connecting bolt 5.

Further, stop gear is including installation piece 7, the connecting hole has been seted up on installation piece 7, connecting bolt 5 and connecting hole looks adaptation, installation piece 7 is located mounting groove 4, cavity 8 has been seted up in installation piece 7, the cross-section of cavity 8 is the rectangle, sliding connection has extrusion piece 9 in the cavity 8, extrusion piece 9 is the setting of frustum type, the slot hole has been seted up at extrusion piece 9 middle part, connecting bolt 5 pegs graft in the slot hole, fixedly connected with stopper 10 on connecting bolt 5, stopper 10 and extrusion piece 9 lateral wall butt, the second connecting portion have two, two second connecting portion all set up in cavity 8, two second connecting portion are equidistant setting around connecting bolt 5's axis, the bottom of second connecting portion and the outer wall butt of extrusion piece 9, the spacing groove has been seted up to mounting groove 4 inner walls, the intercommunicating pore has been seted up to cavity 8 lateral wall, the top of second connecting portion is passed through the intercommunicating pore and is stretched out cavity 8 and with spacing cooperation of spacing groove.

Further, the second connecting portion include fixed connection at the mount 11 of 8 inner walls of cavity, sliding connection has sliding sleeve 12 on the

mount

11, 12 bottom fixedly connected with carrier block 13 of sliding sleeve, one side and the extrusion piece 9 butt of sliding sleeve 12 are kept away from to

carrier block

13, 12 outer wall covers of sliding sleeve are equipped with

first spring

14, 14 both ends of first spring respectively with the mount 11 bottom surface, carrier block 13 top surface fixed connection, spacing sliding connection has fixed block 15 in the sliding sleeve 12, fixedly connected with gag lever post 16 on the fixed block 15, gag lever post 16 stretches out sliding sleeve 12 and spacing cooperation of spacing groove, fixedly connected with second spring 17 in the

sliding sleeve

12, 17 one end of second spring and 15 fixed connection of fixed block.

When the connecting clamping block 3 is contracted under the influence of temperature, the limiting rod 16 can be attached to the limiting groove under the action of the second spring 17, the connecting clamping block 3 is fixed by the aid of the limiting rod 16 and the connecting bolt 5 which are arranged in a cross manner, and the problem of looseness of a connection part due to temperature change is avoided when the connecting clamping block 3 contracts.

Further, angle adjustment mechanism is including articulating at the mounting panel 18 of connecting 3 tops of fixture block, connects 3 top sliding connection of fixture block have extrusion voussoir 19, and extrusion voussoir 19's cross-section is right trapezoid, and extrusion voussoir 19's inclined plane and mounting panel 18's side slip joint connect 3 tops of fixture block and install the promotion subassembly, promote subassembly and extrusion voussoir 19 butt, a supporting beam 2 fixed connection is on mounting panel 18.

Further, the pushing assembly comprises a fixing seat 20 fixedly connected to the top end of the connecting clamping block 3, a threaded rod 21 is rotatably connected to the fixing seat 20, a groove is formed in one side of the extrusion wedge block 19, and one end of the threaded rod 21 is abutted to the inner wall of the groove.

Furthermore, the side wall of the mounting plate 18 is fixedly connected with a sliding block 22, a limit clamping groove is formed in the inclined surface of the extrusion wedge block 19, and the sliding block 22 is clamped in the limit clamping groove in a sliding mode.

The angle adjusting mechanisms at the two ends of the supporting beam 2 are respectively arranged at the two sides of the supporting beam 2, so that the supporting beam 2 is convenient to limit and fix, and when the angle adjusting mechanism is used, the rotating threaded rod 21 drives the extrusion wedge block 19 to slide at the top end of the connecting fixture block 3, so that the mounting plate 18 is extruded, and the angle of the mounting plate 18 is adjusted.

Further, the inner wall of the cavity 8 is fixedly connected with a sliding rod 23, a sliding hole is formed in the extrusion block 9, the sliding hole and the extrusion block 9 are coaxially arranged, and the extrusion block 9 is connected with the sliding rod 23 in a sliding mode through the sliding hole. The slide bars 23 are disposed on both sides of the coupling bolt 5.

Furthermore, one end of the sliding sleeve 12 is fixedly connected with a limit ring 24, the limit rod 16 is in sliding fit with the inner wall of the limit ring 24, and the limit ring 24 is in limit fit with the fixing block 15.

Furthermore, the cross-sectional shapes of the sliding sleeve 12, the limiting rod 16 and the limiting groove are all rectangular.

The specific implementation process comprises the following steps: firstly analyzing the stress condition of a component through a digital model before building, then manufacturing required components, firstly clamping a connecting clamping block 3 on a cross beam 1, inserting a connecting bolt 5 into a through hole on the connecting clamping block 3, connecting a nut 6 at one end of the connecting bolt 5, which is positioned on the inner wall of the cross beam 1, rotating the nut 6 to enable the connecting bolt 5 to slide in the through hole, driving an extrusion block 9 to move through a limit block 10 on the connecting bolt 5, enabling the extrusion block 9 to extrude the bearing block 13, moving the bearing block 13 in the direction far away from the connecting bolt 5 to drive a sleeve to slide on a fixing frame 11, simultaneously extruding a first spring 14, driving a limit rod 16 to extend out of a cavity 8 and abut against the inner wall of a limit groove by a sliding sleeve 12, simultaneously extruding the limit rod 16 to slide in the sleeve, fixing the connecting clamping block 3 by utilizing the limit rod 16 and the connecting bolt 5 which are arranged in a cross shape, realizing the fixing of the connecting clamping block 3 in two dimensions, then fixing the supporting beam 2 on a mounting plate 18 through a welding or bolt connection mode, then rotating a 21 to drive an extrusion wedge block 19 to slide on the top end of the connecting clamping block 3, thereby extruding the mounting plate 18 and adjusting the angle of the mounting plate 18. According to the invention, when the connecting fixture block 3 contracts under the influence of temperature, the limiting rod 16 can be ensured to be attached to the limiting groove under the action of the second spring 17, so that the connecting fixture block 3 is limited, and the problem that the connecting position is loosened due to temperature change is avoided.

Example 2:

be different from embodiment 1, because the spacing groove can change thereupon after receiving the temperature influence, and for the convenience of the subsequent maintenance of device, need be relatively movable between gag lever post 16 and the spacing groove, consequently, need be in spacing inslot reserved space, for avoiding receiving after external temperature influences when connecting fixture block 3, spacing groove aperture lasts the grow, lead to the junction to appear the condition of rocking, fixed connection locating lever 25 in the mounting groove 4, the constant head tank has been seted up at gag lever post 16 top, locating lever 25 pegs graft in the constant head tank, locating lever 25's setting can be so that gag lever post 16 is the position relatively fixed at the spacing inslot, gag lever post 16 simultaneously, can regard as the three axis of three-dimensional coordinate system between locating lever 25 and the connecting bolt 5 three, consequently, can realize spacing on the three-dimensional space to connecting fixture block 3, guarantee the stability of device.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are only intended to illustrate the preferred embodiments of the present invention, and not to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a digital bridge connection structure, includes crossbeam (1) and a supporting beam (2), its characterized in that, a supporting beam (2) can dismantle through connecting device and connect in crossbeam (1) is last, connecting device is including connecting fixture block (3), it is provided with coupling mechanism to connect fixture block (3) double-phase inner wall, two mounting groove (4), two have been seted up to crossbeam (1) lateral wall coupling mechanism is located two respectively in mounting groove (4), connect fixture block (3) and pass through coupling mechanism with crossbeam (1) can be dismantled and be connected, it is provided with angle adjustment mechanism to connect fixture block (3) top, a supporting beam (2) fixed connection is in angle adjustment mechanism is last, coupling mechanism includes first connecting portion and second connecting portion, first connecting portion with second connecting portion correspond and are the cross setting.

2. The digital bridge connection structure of claim 1, wherein: the first connecting part comprises a connecting bolt (5), through holes are formed in the side wall of the connecting clamping block (3) and the side wall of the mounting groove (4), the through holes in the side wall of the connecting clamping block (3) and the through holes in the side wall of the mounting groove (4) are coaxially arranged, the connecting bolt (5) is inserted into the through holes, a nut (6) is connected to one end of the connecting bolt (5) through threads, and the nut (6) is abutted to the inner side wall of the cross beam (1); and a limiting mechanism is arranged on the inner side wall of the connecting clamping block (3), and the limiting mechanism and the connecting bolt (5) are correspondingly arranged.

3. The digital bridge connection structure of claim 2, wherein: the limiting mechanism comprises an installation block (7), a connecting hole is formed in the installation block (7), the connecting bolt (5) is matched with the connecting hole, the installation block (7) is located in the installation groove (4), a cavity (8) is formed in the installation block (7), the cross section of the cavity (8) is rectangular, an extrusion block (9) is connected in the cavity (8) in a sliding mode, the extrusion block (9) is arranged in a frustum shape, a long hole is formed in the middle of the extrusion block (9), the connecting bolt (5) is inserted in the long hole, a limiting block (10) is fixedly connected to the connecting bolt (5), the limiting block (10) is abutted to the side wall of the extrusion block (9), two second connecting portions are arranged in the cavity (8), the two second connecting portions are arranged around the axis of the connecting bolt (5) at equal intervals, the bottom of each second connecting portion is abutted to the outer wall of the extrusion block (9), a limiting groove is formed in the inner wall of the installation groove (4), the side wall of the cavity (8) is formed, and the top end of the second connecting portion extends out of the limiting groove and is matched with the limiting hole (8).

4. The digital bridge connection structure of claim 3, wherein: the second connecting portion include fixed connection in mount (11) of cavity (8) inner wall, sliding connection has sliding sleeve (12) on mount (11), sliding sleeve (12) bottom fixedly connected with carrier block (13), carrier block (13) are kept away from one side of sliding sleeve (12) with extrusion piece (9) butt, sliding sleeve (12) outer wall cover is equipped with first spring (14), first spring (14) both ends respectively with mount (11) bottom surface carrier block (13) top surface fixed connection, spacing sliding connection has fixed block (15) in sliding sleeve (12), fixedly connected with gag lever post (16) on fixed block (15), gag lever post (16) stretch out sliding sleeve (12) with spacing cooperation of spacing groove, fixedly connected with second spring (17) in sliding sleeve (12), second spring (17) one end with fixed block (15) fixed connection.

5. The digital bridge connection structure of claim 1, wherein: angle adjustment mechanism is including articulating mounting panel (18) on connection fixture block (3) top, it has extrusion voussoir (19) to connect fixture block (3) top sliding connection, the cross-section of extrusion voussoir (19) is right trapezoid, the inclined plane of extrusion voussoir (19) with the side slip joint of mounting panel (18), connect fixture block (3) top and install the promotion subassembly, promote the subassembly with extrusion voussoir (19) butt, it is in to prop up supporting beam (2) fixed connection on mounting panel (18).

6. The digital bridge connection structure of claim 5, wherein: the pushing assembly comprises a fixed seat (20) fixedly connected to the top end of the connecting clamping block (3), a threaded rod (21) is rotatably connected to the fixed seat (20), a groove is formed in one side of the extrusion wedge block (19), and one end of the threaded rod (21) is abutted to the inner wall of the groove.

7. The digital bridge connection structure of claim 5, wherein: the mounting panel (18) lateral wall fixedly connected with slider (22), seted up spacing draw-in groove on the inclined plane of extrusion voussoir (19), slider (22) slip joint is in the spacing draw-in groove.

8. The digital bridge connection structure of claim 3, wherein: the inner wall of the cavity (8) is fixedly connected with a sliding rod (23), a sliding hole is formed in the extrusion block (9), the sliding hole and the extrusion block (9) are coaxially arranged, and the extrusion block (9) is connected with the sliding rod (23) in a sliding mode through the sliding hole.

9. The digital bridge connection structure of claim 4, wherein: sliding sleeve (12) one end fixedly connected with spacing ring (24), gag lever post (16) with the inner wall sliding fit of spacing ring (24), spacing ring (24) with fixed block (15) spacing cooperation.

10. The digital bridge connection structure of claim 4, wherein: the cross-sectional shapes of the sliding sleeve (12), the limiting rod (16) and the limiting groove are all rectangular.