CN218969777U

CN218969777U - Bridge girder erection machine with double guide beams

Info

Publication number: CN218969777U
Application number: CN202223022416.2U
Authority: CN
Inventors: 邱红星; 高冠群; 杜海鹏
Original assignee: Henan Mcc Crane Group Co ltd
Current assignee: Henan Mcc Crane Group Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-05-05
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a double-nose girder bridge girder erection machine, which relates to the technical field of bridge girder erection machines, and specifically comprises a main girder, wherein the upper surface of the main girder is provided with a guide rail, the upper surface of the guide rail is provided with a movable trolley, the lower surface of a supporting beam of a lifting device is provided with a first cylinder through a hinging block, one end of the first cylinder is provided with a second hydraulic cylinder, one end of the first cylinder is hinged with a second cylinder, one end of the second cylinder is hinged with a stabilizing plate, the lower surface of one end of the main girder is provided with a front landing leg telescopic rod, one end of the telescopic rod of the front landing leg telescopic rod is provided with a supporting cross beam, the lower surface of the supporting cross beam is provided with a transverse moving driving device through a connecting block, the lower surface of the transverse moving driving device is provided with a supporting I-steel through a sliding rail, and the upper surface of the supporting I-steel is provided with a meshing rack.

Description

Bridge girder erection machine with double guide beams

Technical Field

The utility model relates to the technical field of bridge girder erection machines, in particular to a double-guide girder bridge girder erection machine.

Background

Along with the acceleration of the construction steps of domestic highway and railway bridges, the prefabricated concrete beam is more and more widely adopted because the manufacturing quality of the prefabricated concrete beam is easy to control and is not influenced by the construction period of the lower part of the bridge. The girder type bridge girder erection machine for erecting the concrete girder is widely applied because of simple structure, high reliability and good mobility, the girder type bridge girder erection machine takes the girder as a bearing movable bracket, utilizes a hoisting device and a movable machine to hoist and transport precast concrete girder pieces, and hoists the precast girder pieces to special mechanical equipment on bridge supports, and the bridge girder erection machine can be generally divided into a single girder type bridge girder erection machine and a double girder type bridge girder erection machine according to a longitudinal girder type; the double-guide girder bridge girder erection machine consists of double main guide girders, supporting legs, a hanging girder trolley, a trend mechanism, a transverse moving mechanism and an electric control system.

When the existing double-guide-beam bridge girder erection machine is used, as the weight of a bridge is large when the bridge is lifted by the girder lifting trolley, the bridge is large in inertia, and shaking can be generated when the bridge is slightly moved and stopped, but shaking needs to be avoided in the bridge installation process, the girder lifting trolley of the existing bridge girder erection machine is inconvenient to fix the bridge, the shaking needs to be naturally stopped each time, the construction time is relatively delayed, the construction period is affected, and the existing double-guide-beam bridge girder erection machine also needs to firstly hoist the transverse moving guide rail of the front supporting leg onto a bridge pier to be erected when in use, and then the bridge girder erection machine is operated to realize the operation of a through hole, so that the time is relatively wasted, and the existing double-guide-beam bridge girder erection machine has the defects of being inconvenient to buffer the shaking of the bridge and being inconvenient to install the transverse moving guide beam rapidly.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a double-nose girder bridge girder erection machine, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a two nose girder bridge crane, includes the girder, the upper surface of girder is provided with the guide rail, the upper surface of guide rail is provided with the travelling car, the one end of travelling car is provided with a hoisting accessory supporting beam, the lower surface of hoisting accessory supporting beam is provided with first cylinder through the articulated piece, the one end of first cylinder is provided with the second pneumatic cylinder, the one end of first cylinder articulates there is the second post, the one end of second post articulates there is the steadying plate, the lower surface of the one end of girder is provided with preceding landing leg telescopic link, the one end of the telescopic link of preceding landing leg telescopic link is provided with the supporting beam, the lower surface of supporting beam is provided with sideslip drive arrangement through the connecting block, sideslip drive arrangement's inside wall is provided with the worm through the axis of rotation, hoisting accessory supporting beam's inside wall is provided with the walking wheel through the axostylus axostyle, the lower surface of sideslip drive arrangement is provided with support I-shaped steel through the slide rail, the upper surface of support I-shaped steel is provided with the nose girder, the upper surface of nose girder is provided with the meshing rack.

Optionally, the lower surface of hoisting accessory supporting beam articulates there is first pneumatic cylinder, the one end of the telescopic link of first pneumatic cylinder articulates with the surface of first cylinder.

Optionally, one end of second pneumatic cylinder is articulated with the one end of second post, the one end of second post is provided with the third pneumatic cylinder, the one end of the telescopic link of third pneumatic cylinder is articulated with the upper surface of firm board.

Optionally, the inside wall of sideslip drive arrangement is provided with driving motor, driving motor's output shaft's one end is provided with the second gear, the surface of second gear passes through the one end transmission of first gear and worm and is connected.

Optionally, the walking wheel is provided with a plurality of and is the even distribution of rectangular array mode, sideslip drive arrangement's lower surface and sideslip nose girder's upper surface butt.

Optionally, the inner roof of sideslip drive arrangement is provided with electric telescopic handle, electric telescopic handle's output shaft's one end is provided with the support, the lower surface of support is provided with supports tight board.

Optionally, the front landing leg telescopic link and sideslip drive arrangement all are provided with two and set up with respect to the middle part symmetry, the girder is provided with two and set up symmetrically.

(III) beneficial effects

The utility model provides a double-nose girder bridge girder erection machine, which has the following beneficial effects:

1. this two nose girder bridge girder erection machines, through the setting of first cylinder, first pneumatic cylinder, the second cylinder, third pneumatic cylinder and firm board, make this two nose girder bridge girder erection machines possess the effect of being convenient for carry out the centre gripping to the bridge body, through first cylinder, first pneumatic cylinder, the second pneumatic cylinder, the cooperation setting of second cylinder, third pneumatic cylinder and firm board, in the in-process of using, hoist up the bridge body through two hoisting module, before moving, can carry out the centre gripping to the both ends of bridge body through firm board and fix, the flexible of telescopic link of first pneumatic cylinder, second pneumatic cylinder and third pneumatic cylinder, can adjust the gradient of first cylinder and second cylinder, and can adjust the levelness of firm board, and then can cooperate the bridge body of more dimensional specification, and make the upper surface of firm board hug closely the lower surface of bridge body, thereby make fixed effect better, during the removal and stop the in-process, the bridge body will carry out the centre gripping to it through first cylinder and second cylinder and fixed, make it more steady removal and stop, the purpose that has reached the bridge to shake of being convenient for.

2. This a two nose girder bridge girder erection machine, the setting through sideslip drive arrangement and slide rail, make this two nose girder bridge girder erection machine possess the effect of being convenient for install the sideslip nose girder, cooperation through driving motor, first gear and second gear sets up, can drive axis of rotation and worm rotation through driving motor and first gear in the in-process of using, meshing through worm and sideslip nose girder, thereby it reciprocates in the inside of slide rail to drive the support I-steel, thereby can be before carrying out the via hole operation, need not first hoist and mount support I-steel on the pier, when stretching out girder and preceding landing leg telescopic link, can directly drive support I-steel to the pier direction remove, when moving to the pier top, through the extension of the expansion link of preceding landing leg telescopic link, prevent to support I-steel on the pier, can directly accomplish the installation of support I-steel this moment, and then reached the effect of quick installation sideslip nose girder, and accessible driving motor drive worm rotates, accomplish the holistic back and forth movement of machine after the hoist and mount, the upper surface rotation of walking wheel guide beam, when stopping, can directly pass through the upper surface rotation of the support I-steel of electric motor telescopic link, the support I-steel is stretched out to the pier, the landing wheel immediately when the support is stretched out, the landing wheel is convenient for the purpose, thereby the surface mounting is realized, the steady against the top of the girder is reached.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the front view of the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is a schematic side view in cross section of the traverse driving device of the present utility model.

In the figure: 1. a main beam; 2. a guide rail; 3. a moving trolley; 4. a hoisting device supporting beam; 5. a first column; 6. a first hydraulic cylinder; 7. a second hydraulic cylinder; 8. a second column; 9. a third hydraulic cylinder; 10. a stabilizing plate; 11. a front leg telescoping rod; 12. a support beam; 13. a lateral movement driving device; 14. a driving motor; 15. a rotating shaft; 16. a first gear; 17. a worm; 18. a walking wheel; 19. an electric telescopic rod; 20. a bracket; 21. a pressing plate; 22. supporting I-steel; 23. traversing the guide beam; 24. a meshing rack; 25. a slide rail; 26. and a second gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1 to 2, the present utility model provides the following technical solutions: the utility model provides a two nose girder bridge girder erection machines, including girder 1, girder 1's upper surface is provided with guide rail 2, guide rail 2's upper surface is provided with travelling car 3, travelling car 3's one end is provided with a hoisting device supporting beam 4, a hoisting device supporting beam 4's lower surface articulates there is first pneumatic cylinder 6, a telescopic link's of first pneumatic cylinder 6 one end and the surface of first cylinder 5 are articulated, a hoisting device supporting beam 4's lower surface is provided with first cylinder 5 through the articulated piece, a first cylinder 5's one end is provided with second pneumatic cylinder 7, a second pneumatic cylinder 7's one end and a second cylinder 8's one end are articulated, a second cylinder 8's one end is provided with third pneumatic cylinder 9, a third pneumatic cylinder 9's telescopic link's one end and the upper surface of steadying plate 10 are articulated, a first cylinder 5's one end articulates there is second cylinder 8, a steadying plate 10's one end articulates.

During the use, through the setting of first cylinder 5, first pneumatic cylinder 6, second pneumatic cylinder 7, second cylinder 8, third pneumatic cylinder 9 and firm board 10, make this two nose girder bridge girder erection machine possess the effect of being convenient for carry out the centre gripping to the bridge body, through the cooperation setting of first cylinder 5, first pneumatic cylinder 6, second pneumatic cylinder 7, second cylinder 8, third pneumatic cylinder 9 and firm board 10, in the in-process of using, hoist up the bridge body through two hoisting module, before moving, can carry out the centre gripping to the both ends of bridge body through firm board 10 and fix, the gradient of first cylinder 5 and second cylinder 8 can be adjusted to the telescopic link of third pneumatic cylinder 9, and can adjust the levelness of firm board 10, and then can cooperate the bridge body of more size specification, and make the upper surface of firm board 10 hug closely the lower surface of bridge body, thereby make fixed effect better, during the removal and stop the in-process, the body will stop its purpose of being convenient for to shake the bridge through first cylinder 5 and second cylinder 8 and the bridge body and stop the centre gripping that it is convenient for move.

Example 2

Referring to fig. 1 to 4, the present utility model provides the following technical solutions: the lower surface of the one end of girder 1 is provided with preceding landing leg telescopic link 11, preceding landing leg telescopic link 11 and sideslip drive arrangement 13 all are provided with two and set up with the middle part symmetry, girder 1 is provided with two and the symmetry sets up, the one end of the telescopic link of preceding landing leg telescopic link 11 is provided with supporting beam 12, the lower surface of supporting beam 12 is provided with sideslip drive arrangement 13 through the connecting block, the inner roof wall of sideslip drive arrangement 13 is provided with electric telescopic link 19, the one end of the output shaft of electric telescopic link 19 is provided with support 20, the lower surface of support 20 is provided with and supports tight board 21, the inside wall of sideslip drive arrangement 13 is provided with driving motor 14, the one end of the output shaft of driving motor 14 is provided with second gear 26, the surface of second gear 26 is connected with the one end transmission of worm 17 through first gear 16, the inside wall of sideslip drive arrangement 13 is provided with worm 17 through axis of rotation 15, the inside wall of sideslip drive arrangement 13 is provided with walking wheel 18 through the axletree, walking wheel 18 is provided with a plurality of and is the evenly distributed in the rectangular array mode, the lower surface and the upper surface butt of sideslip guide beam 23 of sideslip drive arrangement 13, the lower surface and sideslip guide beam 23, the lower surface of sideslip drive arrangement 13 is provided with support rail 25, the upper surface of support rail 22 is provided with I-shaped steel rail surface 24 and is provided with I-shaped steel surface of engagement 23.

During the use, through the setting of sideslip drive arrangement 13 and slide rail 25, make this double-guide bridge girder erection machine possess the effect of being convenient for install sideslip guide, through driving motor 14, the cooperation setting of first gear 16 and second gear 26, can drive axis of rotation 15 and worm 17 through driving motor 14 and first gear 16 in the in-process of using, through the meshing of worm 17 and sideslip guide beam 23, thereby drive and support I-steel 22 and remove in the inside back-and-forth movement of slide rail 25, thereby can be before carrying out the via hole operation, need not first hoist and mount support I-steel 22 on the pier, when stretching out girder 1 and preceding landing leg telescopic link 11, can directly drive support I-steel 22 to the pier direction, when moving to the pier top, through the extension of the flexible high of preceding landing leg telescopic link 11, prevent support I-steel 22 on the pier, can directly accomplish the installation of support I-steel 22 this moment, and then reached the effect of quick installation sideslip guide beam, and the meshing of accessible driving motor 14 drive worm 17, thereby the holistic hoist and mount back removal of support I-steel 22 at the back of back, can be before carrying out the operation, the travelling wheel 18 is followed by the electric road wheel and stop along the surface of the sideslip guide beam 23, can directly drive the landing wheel 21 when stretching out the landing wheel, thereby, and the purpose is reached and the landing wheel is realized, and the surface is more firmly and is realized by the landing wheel is stretched out, and is more firmly and is stretched to the surface by the road and is followed by the road and is stretched to the road and is passed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a two nose girder bridge girder erection machine, includes girder (1), its characterized in that: the upper surface of girder (1) is provided with guide rail (2), the upper surface of guide rail (2) is provided with travelling car (3), the one end of travelling car (3) is provided with hoisting accessory supporting beam (4), the lower surface of hoisting accessory supporting beam (4) is provided with first cylinder (5) through the articulated piece, the one end of first cylinder (5) is provided with second pneumatic cylinder (7), the one end of first cylinder (5) articulates there is second cylinder (8), the one end of second cylinder (8) articulates there is firm board (10), the lower surface of the one end of girder (1) is provided with preceding landing leg telescopic link (11), the one end of the telescopic link of preceding landing leg telescopic link (11) is provided with supporting beam (12), the lower surface of supporting beam (12) is provided with sideslip drive arrangement (13) through the connecting block, the inside wall of sideslip drive arrangement (13) is provided with worm (17) through axis of rotation (15), the inside wall of sideslip drive arrangement (13) is provided with walking wheel (18) through being provided with walking wheel (22), the lower surface of girder (1) is provided with I-steel (22) supporting beam (22), the upper surface of the transverse guide beam (23) is provided with an engagement rack (24).

2. The double-nose bridge girder erection machine according to claim 1, wherein: the lower surface of the lifting device supporting beam (4) is hinged with a first hydraulic cylinder (6), and one end of a telescopic rod of the first hydraulic cylinder (6) is hinged with the outer surface of the first column body (5).

3. The double-nose bridge girder erection machine according to claim 1, wherein: one end of the second hydraulic cylinder (7) is hinged with one end of the second cylinder (8), one end of the second cylinder (8) is provided with a third hydraulic cylinder (9), and one end of a telescopic rod of the third hydraulic cylinder (9) is hinged with the upper surface of the stabilizing plate (10).

4. The double-nose bridge girder erection machine according to claim 1, wherein: the inner side wall of the transverse moving driving device (13) is provided with a driving motor (14), one end of an output shaft of the driving motor (14) is provided with a second gear (26), and the outer surface of the second gear (26) is in transmission connection with one end of a worm (17) through a first gear (16).

5. The double-nose bridge girder erection machine according to claim 1, wherein: the traveling wheels (18) are uniformly distributed in a rectangular array mode, and the lower surface of the transverse moving driving device (13) is abutted to the upper surface of the transverse moving guide beam (23).

6. The double-nose bridge girder erection machine according to claim 1, wherein: an electric telescopic rod (19) is arranged on the inner top wall of the transverse moving driving device (13), a support (20) is arranged at one end of an output shaft of the electric telescopic rod (19), and a supporting plate (21) is arranged on the lower surface of the support (20).

7. The double-nose bridge girder erection machine according to claim 1, wherein: the front support leg telescopic rods (11) and the transverse moving driving devices (13) are arranged in two and symmetrically arranged about the middle, and the main beams (1) are arranged in two and symmetrically arranged.