CN109944150B

CN109944150B - Bridge

Info

Publication number: CN109944150B
Application number: CN201811386327.1A
Authority: CN
Inventors: 不公告发明人
Original assignee: Linpu Brothers Sanya Information Technology Co ltd
Current assignee: Linpu brothers (Sanya) Information Technology Co.,Ltd.
Priority date: 2017-07-19
Filing date: 2017-07-19
Publication date: 2021-05-18
Anticipated expiration: 2037-07-19
Also published as: CN107419652A; CN107419652B; CN109944149A; CN109944150A

Abstract

The invention relates to a bridge, which comprises a bridge pier and a beam piece mechanism, wherein the beam piece mechanism is erected on the bridge pier, the beam piece mechanism comprises a plurality of beam blocks and steel blocks, the beam blocks are sequentially arranged, concrete is filled between the beam blocks, walking holes are formed in the beam blocks, the steel blocks are positioned in the walking holes, and two ends of each steel block are positioned between two adjacent beam blocks. The invention has the advantages of ingenious structural design, simple operation and low cost, and can be produced in batches in factories.

Description

Bridge

The patent application of the invention aims at the following application numbers: 2017105904260, the filing date of the original application is: 2017-07-19, the name of invention creation is: a sectional type spliced bridge and a bridge girder erection machine.

Technical Field

The invention relates to a bridge.

Background

The bridge girder erection machine is equipment for placing a prefabricated beam piece on a prefabricated pier, belongs to the category of cranes, and has the main function of lifting the beam piece, conveying the beam piece to a position and putting down the beam piece.

The conventional beam piece is generally large in size and inconvenient to transport, needs to be built at a place where a bridge is built, delays the construction period, is high in difficulty when the beam piece with heavy weight is transported and erected, and is high in structural strength and cost of a required bridge erecting machine.

Disclosure of Invention

1. Technical problem to be solved by the invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, a bridge is provided.

2. Technical scheme

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a sectional type concatenation bridge, includes pier and roof beam piece mechanism, roof beam piece machine framework establishes on the pier, roof beam piece mechanism includes roof beam piece and steel billet, the roof beam piece has a plurality of pieces, and each roof beam piece arranges in proper order, and it has the concrete to fill between each roof beam piece, be equipped with the position hole of walking in the roof beam piece, the steel billet is located the position hole of walking, the steel billet both ends are located between two adjacent roof beam pieces.

Preferably, for reinforcement, the beam block is further provided with a diversion hole and a diversion trench, one end of the diversion hole is arranged at the upper part of the beam block, the other end of the diversion hole is communicated with the diversion trench, the diversion trench is circumferentially arranged on the periphery of the steel block, and molten iron is poured into the diversion hole and the diversion trench.

Preferably, in order to facilitate drainage, both sides of the beam block are provided with a water chute and a water outlet, the upper end of the water outlet is positioned above the beam block, and the lower end of the water outlet is positioned below the beam block.

Preferably, in order to facilitate train passing, the steel block is a rectangular frame body, and a protective rod is arranged in the middle of the inner wall of the lower side of the steel block.

A bridge girder erection machine of a sectional type spliced bridge comprises a support mechanism, a girder transporting mechanism and a fixing mechanism, wherein the support mechanism comprises a main girder, a first leg frame, a second leg frame and a third leg frame, the first leg frame, the second leg frame and the third leg frame are all arranged below the main girder, a driving wheel is further arranged on the first leg frame, a contraction mechanism is further arranged on the second leg frame, and the third leg frame is connected with the main girder in a sliding manner; the beam transporting mechanism comprises a beam transporting trolley, a rotating shaft, a first circular gear, a first motor, a second circular gear, a hydraulic rod and a grabbing assembly, wherein the rotating shaft is vertically arranged, the rotating shaft is arranged on the beam transporting trolley, the first motor drives the first circular gear to rotate, the second circular gear is sleeved on the rotating shaft, the first circular gear is meshed with the second circular gear, the grabbing assembly is arranged below the rotating shaft through the hydraulic rod, the grabbing assembly comprises a second motor, a screw rod, walking blocks and a gripper, the screw rods are arranged coaxially, the screw directions of the two screw rods are opposite, the second motor drives the screw rods to rotate, the walking blocks are arranged in two numbers, the two walking blocks are respectively sleeved on the two screw rods, internal threads matched with the screw rods are arranged in the walking blocks, the gripper is arranged below the walking blocks, and the fixing assembly comprises a third motor, Third round gear, fourth round gear, drum, dead lever and pull wire, the third motor drive third round gear is rotatory, third round gear and fourth round gear meshing, fourth round gear and the coaxial setting of drum, the pull wire coils on the drum, the dead lever is connected on the pull wire, fixed subassembly has a plurality of, and each fixed subassembly falls into two and evenly sets up respectively in the both sides of girder.

Preferably, for reinforcement, a reinforcing rod is further arranged on the first leg frame, one end of the reinforcing rod is connected with the main beam, and the other end of the reinforcing rod is connected with the first leg frame.

Preferably, for convenience of observation, cameras are arranged on the main beam, the first leg frame, the second leg frame, the third leg frame and the grabbing component.

Preferably, in order to facilitate communication with the control terminal, a control system is further arranged in the main beam, and a wireless communication module is further arranged in the control system.

Preferably, for convenience of control, the first motor and the second motor are both servo motors, and encoders are arranged on the first motor and the second motor.

Preferably, in order to increase the firmness of the traction wire, the traction wire is made of a steel bar.

3. Advantageous effects

The sectional type spliced bridge and the bridge girder erection machine have the advantages that the structural design is ingenious, the beam blocks are small in size and convenient to transport, batch production can be achieved in a factory, the beam blocks are arranged in the beam blocks through the steel blocks, the structure is firm, the train channels are formed in the steel blocks, the transport capacity is improved, the beam blocks and the steel blocks can be erected on the bridge piers through the beam transporting mechanism in a combined mode, the operation is simple, and the cost is low.

Drawings

FIG. 1 is a schematic structural view of a segmented spliced bridge according to the present embodiment;

FIG. 2 is a schematic structural diagram of a beam block of the segmented spliced bridge of the embodiment;

FIG. 3 is a schematic structural diagram of a bridge girder erection machine of the segmental splicing bridge of the embodiment;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic structural diagram of a grabbing assembly of the bridge girder erection machine of the segmented spliced bridge of the embodiment;

fig. 6 is a schematic structural view of a fixing mechanism of a bridge girder erection machine of the segmental splicing bridge of the embodiment.

In the figure: 1. the device comprises a first leg frame, 2 reinforcing rods, 3 beam conveying trolleys, 4 second leg frames, 5 fixing mechanisms, 6 main beams, 7 third leg frames, 8 driving wheels, 9 hydraulic rods, 10 grabbing components, 11 rotating shafts, 12 second circular gears, 13 first circular gears, 14 first motors, 15 walking blocks, 16 grippers, 17 lead screws, 18 second motors, 19 fixing rods, 20 traction lines, 21 wire coils, 22 third circular gears, 23 third motors, 24 beam blocks, 25 diversion holes, 26 walking holes, 27 diversion grooves, 28 steel blocks, 29 piers and 30 fourth circular gears.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1-6, a segmented spliced bridge comprises a bridge pier 29 and a beam piece mechanism, wherein the beam piece mechanism is arranged on the bridge pier 29, the beam piece mechanism comprises beam pieces 24 and steel pieces 28, the beam pieces 24 are provided with a plurality of pieces, the beam pieces 24 are sequentially arranged, concrete is filled between the beam pieces 24, a position-moving hole 26 is formed in each beam piece 24, the steel piece 28 is located in the position-moving hole 26, and two ends of the steel piece 28 are located between two adjacent beam pieces 24.

Preferably, for reinforcement, the beam block 24 is further provided with a diversion hole 25 and a diversion trench 27, one end of the diversion hole 25 is arranged at the upper part of the beam block 24, the other end of the diversion hole 25 is communicated with the diversion trench 27, the diversion trench 27 is circumferentially arranged at the periphery of the steel block 28, and molten iron is poured into the diversion hole 25 and the diversion trench 27.

Preferably, in order to facilitate drainage, a water chute and a water outlet are arranged on two sides of the beam block 24, the upper end of the water outlet is located above the beam block 24, and the lower end of the water outlet is located below the beam block 24.

Preferably, in order to facilitate train passing, the steel block 28 is a rectangular frame, and a guard bar is arranged in the middle of the inner wall of the lower side of the steel block 28.

A bridge girder erection machine of a sectional type splicing bridge comprises a support mechanism, a girder transporting mechanism and a fixing mechanism 5, wherein the support mechanism comprises a main girder 6, a first leg frame 1, a second leg frame 4 and a third leg frame 7, the first leg frame 1, the second leg frame 4 and the third leg frame 7 are all arranged below the main girder 6, a driving wheel 8 is further arranged on the first leg frame 1, a contraction mechanism is further arranged on the second leg frame 4, and the third leg frame 7 is connected with the main girder 6 in a sliding manner; the beam transporting mechanism comprises a beam transporting trolley 3, a rotating shaft 11, a first circular gear 13, a first motor 14, a second circular gear 12, a hydraulic rod 9 and a grabbing assembly 10, wherein the rotating shaft 11 is vertically arranged, the rotating shaft 11 is arranged on the beam transporting trolley 3, the first motor 14 drives the first circular gear 13 to rotate, the second circular gear 12 is sleeved on the rotating shaft 11, the first circular gear 13 is meshed with the second circular gear 12, the grabbing assembly 10 is arranged below the rotating shaft 11 through the hydraulic rod 9, the grabbing assembly 10 comprises a second motor 18, a screw rod 17, a walking block 15 and a gripper 16, the screw rods 17 are coaxially arranged, the directions of the threads of the two screw rods 17 are opposite, the second motor 18 drives the screw rod 17 to rotate, the walking block 15 is provided with two walking blocks 15, the two walking blocks 15 are respectively sleeved on the two screw rods 17, and internal threads matched with the screw rods 17 are arranged in the walking blocks 15, the tongs 16 are arranged below the walking block 15, the fixing assembly comprises a third motor 23, a third circular gear 22, a fourth circular gear 30, a wire coil 21, a fixing rod 19 and a traction wire 20, the third motor 23 drives the third circular gear 22 to rotate, the third circular gear 22 is meshed with the fourth circular gear 30, the fourth circular gear 30 is coaxially arranged with the wire coil 21, the traction wire 20 is wound on the wire coil 21, the fixing rod 19 is connected to the traction wire 20, the fixing assembly is provided with a plurality of parts, and each fixing assembly is divided into two rows which are respectively and uniformly arranged on two sides of the main beam 6.

Preferably, for reinforcement, the first leg 1 is further provided with a reinforcing rod 2, one end of the reinforcing rod 2 is connected with the main beam 6, and the other end of the reinforcing rod 2 is connected with the first leg 1.

Preferably, for the convenience of observation, cameras are arranged on the main beam 6, the first leg 1, the second leg 4, the third leg 7 and the grabbing component 10.

Preferably, in order to facilitate communication with the control terminal, a control system is further arranged in the main beam 6, and a wireless communication module is further arranged in the control system.

Preferably, for convenience of control, the first motor 14 and the second motor 18 are both servo motors, and encoders are disposed on the first motor 14 and the second motor 18.

Preferably, in order to increase the firmness of the traction wire 20, the traction wire 20 is made of a steel wire.

After the rear bridge pier 29 is built, the first leg frame 1, the second leg frame 4 and the third leg frame 7 of the bridge girder erection machine are respectively positioned on three bridge piers 29, the beam block 24 is transported to the lower part of the beam transportation trolley 3, the second motor 18 drives the screw rods 17 to rotate through the grabbing component 10, the relative directions of the two walking blocks 15 are displaced due to the opposite thread directions of the two screw rods 17, the grabbing hands 16 fix the beam block 6, the beam block 24 is lifted through the hydraulic rods 9 and then transported to the bridge piers 29 through the beam transportation trolley 3, the width of the beam block 24 is wide, when the grabbing component 10 grabs the beam block 24 for convenient transportation, the walking holes 26 on the beam block 24 are vertical to the direction of the bridge deck, the first round gear 13 is driven to rotate by the first motor 14, the first round gear 13 is meshed with the second round gear 12, the rotating shaft 11 and the grabbing component 10 are rotated, the walking holes 26 on the beam block 24 are parallel to the bridge deck, then the third motor 23 in the fixing mechanism 5 drives the third circular gear 22 to rotate, the third circular gear 22 is meshed with the fourth circular gear 30, so that the traction line 20 is fixed on the beam block 24, wherein the fixing rod 19 can pass through the water outlet to be convenient to fix, the beam conveying mechanism is used for moving the steel block 28 to the walking hole 26 of the first beam block 24, then the beam conveying trolley 3 is driven, half displacement of the steel block 28 is uniformly moved in the walking hole 26, then the molten iron enters the pouring guide groove 27 to fix the steel block 28, the second beam block 24 is sleeved at the other end of the steel block 28, so that the steel block 28 and the beam block 24 are arranged in a staggered mode to form a bridge deck, after the two beam blocks 24 are fixed through concrete, the bridge deck between the two bridge piers 29 is erected, the third leg frame 7 slides on the main beam 6 and moves to the next pier 29, and then the first leg frame 1 is moved to the next pier 29 where the first leg frame 1 is located through the driving vehicle, so that the next deck is laid.

Compared with the prior art, this sectional type concatenation bridge and bridging machine structural design is ingenious, and 24 individual bodies on the roof beam piece are little, the transportation of being convenient for, can be in mill batch production, and rethread steel block 28 sets up in roof beam piece 24, and the sound construction is equipped with the train passageway in the steel block 28, has increaseed the transport capacity, can erect roof beam piece 24 and the combination of steel block 28 on pier 29 through fortune roof beam mechanism, easy operation, it is with low costs.

Claims

1. The bridge is characterized by comprising bridge piers (29) and a beam piece mechanism, wherein the beam piece mechanism is arranged on the bridge piers (29) in a framework mode and comprises beam blocks (24) and steel blocks (28), the beam blocks (24) are provided with a plurality of blocks, the beam blocks (24) are sequentially arranged, concrete is filled between the beam blocks (24), walking holes (26) are formed in the beam blocks (24), the steel blocks (28) are located in the walking holes (26), and two ends of each steel block (28) are located between two adjacent beam blocks (24);

the beam block (24) is also provided with a diversion hole (25) and a diversion trench (27), one end of the diversion hole (25) is arranged at the upper part of the beam block (24), the other end of the diversion hole (25) is communicated with the diversion trench (27), the diversion trench (27) is circumferentially arranged at the periphery of the steel block (28), and molten iron is poured into the diversion hole (25) and the diversion trench (27);

both sides of the beam block (24) are provided with a water chute and a water outlet, the upper end of the water outlet is positioned above the beam block (24), and the lower end of the water outlet is positioned below the beam block (24);

the steel block (28) is a rectangular frame body, and a protection rod is arranged in the middle of the inner wall of the lower side of the steel block (28).