CN110541367B

CN110541367B - Rotating mechanism of segment beam bridge erecting machine

Info

Publication number: CN110541367B
Application number: CN201910912826.8A
Authority: CN
Inventors: 马栋; 王武现; 冯义涛; 徐华轩; 闫肃; 王荣山
Original assignee: China Railway 16th Bureau Group Co Ltd
Current assignee: China Railway 16th Bureau Group Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2021-07-06
Anticipated expiration: 2039-09-25
Also published as: CN110541367A

Abstract

The invention relates to the field of bridge girder erection machines, in particular to a rotating mechanism of a segment bridge girder erection machine, which comprises a shell and a machine body, wherein a pressure plate is arranged at the inner side of the shell, a first telescopic rod is arranged between the top end of the pressure plate and the shell, a driving mechanism is arranged at the bottom of the pressure plate, the machine body is arranged at the bottom of the driving mechanism, limiting mechanisms are arranged at the left side and the right side of the driving mechanism, a transmission mechanism is arranged between the limiting mechanisms and the pressure plate, and a clamp is arranged at the bottom of the machine body. Can fix the connecting column to keep the machine body stable.

Description

Rotating mechanism of segment beam bridge erecting machine

Technical Field

The invention relates to the field of bridge girder erection machines, in particular to a rotating mechanism of a segment bridge girder erection machine.

Background

The bridge erecting machine is divided into several kinds of bridge erecting highways, conventional railways, special passenger railways and the like.

In the prior art, bridge erecting machines are all one-way engineering machines, so that the bridge erecting machines cannot be rotated in the construction process, if the bridge erecting machines need to be turned, mechanisms above a base need to be detached, the bridge erecting machines are re-installed to complete turning, the operation time is about 30 days, a large amount of formal operation time is occupied, the total efficiency of the engineering is reduced, and therefore, aiming at the current situation, a section bridge erecting machine rotating mechanism needs to be developed urgently to overcome the defects in the current practical application.

Disclosure of Invention

The invention aims to provide a rotating mechanism of a segment bridge girder erection machine, which solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a section roof beam structure bridge crane rotary mechanism, includes casing and organism, the casing inboard is provided with the clamp plate, fixed connection is provided with first telescopic link between clamp plate top and the casing, the clamp plate bottom is provided with actuating mechanism, actuating mechanism bottom fixed connection sets up the organism, the actuating mechanism left and right sides all is provided with stop gear, be provided with drive mechanism between stop gear and the clamp plate, the organism bottom is provided with anchor clamps.

As a further scheme of the invention: the limiting mechanism comprises a limiting column and a limiting groove, the limiting column is arranged on the left side and the right side of the connecting column, the limiting column is connected with the shell in a sliding mode, and the top of the machine body is provided with the limiting groove matched with the limiting column.

As a further scheme of the invention: the transmission mechanism comprises a first rack, a gear and a second rack, the first rack is arranged at the top of the limiting column, the limiting column is fixedly connected with the first rack, the second rack is arranged on the left side and the right side of the pressing plate, the second rack is fixedly connected with the pressing plate, and the gear is arranged between the first rack and the second rack in a meshed connection mode.

As a further scheme of the invention: the cross sections of the limiting columns and the limiting grooves are of square structures.

As a further scheme of the invention: actuating mechanism includes motor, bull stick, carousel, dead lever, connecting rod and spliced pole, the motor sets up the clamp plate bottom, motor and clamp plate bolted connection, motor downside output and bull stick fixed connection, bull stick bottom fixed connection is provided with the carousel, the carousel downside be provided with organism fixed connection's spliced pole, the spliced pole is connected with casing bearing, spliced pole top outer fringe fixed connection is provided with a plurality of dead levers, the carousel outside is provided with a plurality of connecting rods with the dead lever joint.

As a further scheme of the invention: the outer side of the connecting column, which is located on the lower side of the shell, is provided with a fixing block, the fixing block is fixedly connected with the shell, the inner side of the fixing block is provided with a groove, and the groove is internally fixedly connected with a second telescopic rod.

As a further scheme of the invention: casing top fixed connection is provided with solar panel, the casing inboard be provided with solar panel electric connection's battery

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

1. by arranging the limiting mechanism, the machine body can be fixed when the machine body does not need to rotate, so that the machine body is prevented from shaking, and the stability of the machine body is ensured;

2. by arranging the driving mechanism, the direction of the bridge girder erection machine can be rotated, the trouble of reinstallation is avoided, the time is greatly saved, the workload is reduced, and the direction of the bridge girder erection machine is easier to rotate;

3. through setting up fixed block and second telescopic link, can fix the spliced pole, make the organism remain stable, through setting up solar panel and battery, do benefit to the energy saving, environmental protection.

Drawings

Fig. 1 is a structural schematic diagram of a rotary mechanism of a segment bridge girder erection machine.

Fig. 2 is a schematic structural diagram of a driving mechanism in a rotary mechanism of a segment bridge girder erection machine.

Fig. 3 is a schematic structural diagram at a in fig. 1.

In the figure: 1-shell, 2-limiting column, 3-first rack, 4-gear, 5-second rack, 6-first telescopic rod, 7-pressing plate, 8-motor, 9-rotating rod, 10-rotating disk, 11-fixing rod, 12-connecting rod, 13-connecting column, 14-machine body, 15-clamp, 16-limiting groove, 17-solar panel, 18-storage battery, 19-fixing block, 20-groove and 21-second telescopic rod.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1 to 3, in an embodiment of the present invention, a rotation mechanism of a segment bridge girder erection machine includes a housing 1 and a machine body 14, a pressing plate 7 is disposed inside the housing 1, a first telescopic rod 6 is fixedly connected between a top end of the pressing plate 7 and the housing 1, a driving mechanism is disposed at a bottom of the pressing plate 7, the machine body 14 is fixedly connected to a bottom of the driving mechanism, limiting mechanisms are disposed on both left and right sides of the driving mechanism, a transmission mechanism is disposed between the limiting mechanisms and the pressing plate 7, and a clamp 15 is disposed at a bottom of the machine body 14.

Example 2

In this embodiment, stop gear includes spacing post 2 and spacing groove 16, spacing post 2 sets up the left and right sides of spliced pole 13, spacing

post

2 and 1 sliding connection of casing, 14 tops of organism be provided with the spacing groove 16 of spacing post 2 looks adaptation, through setting up stop gear, when not needing 14 rotations of organism, can fix organism 14, avoid rocking of organism 14, guaranteed organism 14's stability.

In this embodiment, the transmission mechanism includes a first rack 3, a gear 4 and a second rack 5, the first rack 3 is disposed on the top of the limiting column 2, the limiting column 2 is fixedly connected with the first rack 3, the second rack 5 is disposed on the left and right sides of the pressing plate 7, the second rack 5 is fixedly connected with the pressing plate 7, and the gear 4 is disposed between the first rack 3 and the second rack 5 in a meshing connection manner.

In this embodiment, the cross sections of the limiting column 2 and the limiting groove 16 are both square structures.

In this embodiment, actuating mechanism includes motor 8, bull stick 9, carousel 10, dead lever 11, connecting rod 12 and spliced pole 13, motor 8 sets up clamp plate 7 bottom, motor 8 and clamp plate 7 bolted connection, motor 8 downside output and bull stick 9 fixed connection, 9 bottom fixed connection of bull stick is provided with carousel 10, carousel 10 downside is provided with spliced pole 13 with 14 fixed connection of organism, spliced pole 13 is connected with 1 bearing of casing, 13 top outer fringe fixed connection of spliced pole is provided with a plurality of dead levers 11, the carousel 10 outside is provided with a plurality of connecting rods 12 with 11 joints of dead lever, through setting up actuating mechanism, can realize the rotation of bridge crane direction, has avoided the trouble of reinstallating, has saved the time greatly and has reduced work load for the easier direction of rotation of bridge crane.

In this embodiment, the outer side that spliced pole 13 is located casing 1 downside part is provided with fixed block 19, fixed block 19 and casing 1 fixed connection, fixed block 19 inboard is provided with recess 20, fixed connection is provided with second telescopic link 21 in the recess 20, and through setting up fixed block 19 and second telescopic link 21, can be at the rotatory less angle of organism 14 and spacing post 2 can't be spacing to organism 14 when, fix spliced pole 13, make organism 14 remain stable.

In this embodiment, 1 top fixed connection of casing is provided with

solar panel

17, 1 inboard of casing be provided with solar panel 17 electric connection's battery 18, through setting up solar panel 17 and battery 18, do benefit to the energy saving, environmental protection.

This section of beam bridge crane rotary mechanism, through setting up stop gear, when not needing organism 14 to rotate, can fix organism 14, avoid rocking of organism 14, the stability of organism 14 has been guaranteed, through setting up actuating mechanism, can realize the rotation of bridge girder erection machine direction, the trouble of reinstallation has been avoided, time has been saved greatly and work load has been reduced, make bridge girder erection machine rotation direction easier, through setting up fixed block 19 and second telescopic link 21, can be at organism 14 rotatory less angle and spacing post 2 can't be spacing to organism 14, fix spliced pole 13, make organism 14 remain stable, through setting up solar panel 17 and battery 18, do benefit to the energy saving, the environmental protection.

The working principle of the invention is as follows: when needs rotate organism 14, first telescopic link 6 extension, first telescopic link 6 promotes clamp plate 7 downstream, clamp plate 7 drives second rack 5 downstream, second rack 5 drives first rack 3 upstream through gear 4, first rack 3 drives spacing post 2 upstream, make organism 14 unblock, starter motor 8, motor 8 drives bull stick 9 and rotates, bull stick 9 drives carousel 10 and rotates, carousel 10 drives spliced pole 13 through connecting rod 12 and dead lever 11 and rotates, spliced pole 13 drives organism 14 and rotates, when rotatory to required angle, second telescopic link 21 extension, fix spliced pole 13, thereby make organism 14 obtain fixedly.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims

1. A rotating mechanism of a segment beam bridge girder erection machine comprises a shell (1) and a machine body (14), and is characterized in that a pressing plate (7) is arranged on the inner side of the shell (1), a first telescopic rod (6) is fixedly connected between the top end of the pressing plate (7) and the shell (1), a driving mechanism is arranged at the bottom of the pressing plate (7), the machine body (14) is fixedly connected and arranged at the bottom of the driving mechanism, limiting mechanisms are arranged on the left side and the right side of the driving mechanism respectively, a transmission mechanism is arranged between the limiting mechanisms and the pressing plate (7), a clamp (15) is arranged at the bottom of the machine body (14), each limiting mechanism comprises a limiting column (2) and a limiting groove (16), the limiting column (2) is arranged on the left side and the right side of a connecting column (13), the limiting column (2) is slidably connected with the shell (1), and the limiting groove (16) matched with the, the transmission mechanism comprises a first rack (3), a gear (4) and a second rack (5), the first rack (3) is arranged at the top of the limiting column (2), the limiting column (2) is fixedly connected with the first rack (3), the second rack (5) is arranged at the left side and the right side of the pressing plate (7), the second rack (5) is fixedly connected with the pressing plate (7), the gear (4) is arranged between the first rack (3) and the second rack (5) in a meshed connection manner, the driving mechanism comprises a motor (8), a rotating rod (9), a rotating disc (10), a fixing rod (11), a connecting rod (12) and a connecting column (13), the motor (8) is arranged at the bottom of the pressing plate (7), the motor (8) is connected with the pressing plate (7) through a bolt, the lower side output end of the motor (8) is fixedly connected with the rotating rod (9), the bottom of the rotating rod (9) is fixedly connected with a rotating disc (10), carousel (10) downside is provided with spliced pole (13) with organism (14) fixed connection, spliced pole (13) are connected with casing (1) bearing, spliced pole (13) top outer fringe fixed connection is provided with a plurality of dead levers (11), carousel (10) outside is provided with connecting rod (12) of a plurality of and dead lever (11) joint.

2. A segment bridge girder erection machine rotation mechanism according to claim 1, wherein the cross-section of the limiting column (2) and the limiting groove (16) are both square structures.

3. A segment bridge girder erection mechanism according to claim 2, wherein the connection column (13) is provided with a fixing block (19) at the outside of the lower part of the housing (1), said fixing block (19) is fixedly connected with the housing (1), a groove (20) is provided at the inside of said fixing block (19), and a second telescopic rod (21) is fixedly connected in said groove (20).

4. The rotary mechanism of the segment bridge girder erection machine according to claim 1, wherein a solar panel (17) is fixedly connected to the top of the housing (1), and a storage battery (18) electrically connected with the solar panel (17) is arranged inside the housing (1).