CN201052950Y

CN201052950Y - Crane

Info

Publication number: CN201052950Y
Application number: CNU2007200712105U
Authority: CN
Inventors: 庄国强
Original assignee: Hongrun Construction Group Co Ltd
Current assignee: Hongrun Construction Group Co Ltd
Priority date: 2007-06-18
Filing date: 2007-06-18
Publication date: 2008-04-30
Anticipated expiration: 2017-06-18

Abstract

A crane used for hoisting construction of bridge projects comprises a steel rail, steel tubes, a chassis, chassis brackets, a universal rod column, a pullback weight, an assembly pulley, an assembly pulley bracket and a windlass. The chassis comprises a plurality of first cross beams and a plurality of first longitudinal beams which cross perpendicularly; the chassis brackets are each provided with a bottom surface of a cambered surface shape; the universal rod column is arranged on one side of the chassis; the pullback weight is arranged on the other side of the chassis; the assembly pulley comprises a plurality of fixed pulleys and at least one traveling block; the assembly pulley bracket is for supporting the assembly pulley and comprises a plurality of second cross beams and a plurality of second longitudinal beams, the second longitudinal beams are fixed on the top of the universal rod column, and the second cross beams are crossed with the second longitudinal beams perpendicularly, the assembly pulley is supported by a plurality of second cross beams; the windlass is arranged on the other side of the chassis, the wire cable on the windlass hoists heavy objects through the assembly pulley; a plurality of chassis brackets are welded on the chassis and placed on a plurality of steel tubes through the bottom surface with a cambered surface shape, and the steel tubes are placed on the steel rail.

Description

Loop wheel machine

Technical field

The utility model relates to a kind of hanging device that uses in bridge construction, particularly relate to a kind of suitable large-scale hanging device and can't enter the assembly unit loop wheel machine of camp site situation.

Background technology

At rural area construction elevated bridge, after the bottom section construction finishes, need set up plate-girder, set up plate-girder and generally all use large-scale loop wheel machine, yet many in the river, rural area, foot bridge is more, large-scale loop wheel machine can't enter the camp site, in such cases, the loop wheel machine that needs a kind of quick-assembling at the scene to become, and this loop wheel machine also must be able to steadily be exercised, bearing capacity is strong.

The utility model content

The purpose of this utility model is to provide a kind of loop wheel machine, and this loop wheel machine can easily utilize existing member assembled at the construction field (site), and this loop wheel machine bearing capacity is big and can steadily exercise and can satisfy the needs of bridge lifting construction.

In order to realize described purpose, the characteristics of loop wheel machine of the present utility model are to comprise: rail, steel pipe, chassis, chassis seating, omnipotent bar column, counterweight, assembly pulley, assembly pulley bearing and winch; Wherein, the chassis comprises many first crossbeams and Duo Gen first longeron, and first crossbeam and first longeron are vertically crossing; Chassis seating has the bottom surface of arc surfaced; Omnipotent bar column is arranged on an end on chassis; Counterweight is arranged on the other end on chassis; Slide Group comprises a plurality of fixed pulleys and at least one movable pulley; Assembly pulley supports and to be used to support assembly pulley, comprises many second crossbeams and Duo Gen second longeron, and second longeron is fixed in the capital of omnipotent bar column, and second beam vertical intersect at second longeron, assembly pulley is supported by many second crossbeams; Winch is arranged on the other end on chassis, and the steel rope on it is by the assembly pulley weight of slinging; Wherein, a plurality of chassis seatings are welded in the chassis and the bottom surface by its arc surfaced is positioned on the many steel pipes, and steel pipe is positioned on the rail.

Loop wheel machine of the present utility model has many advantages, such as can become by spelling between the existing various members, and after loop wheel machine is finished construction, most of member of forming can be dismantled with no damage, to such an extent as to loop wheel machine is easy to move away from the camp site, and loop wheel machine can also repeat assembly unit by the previous member of forming when constructing next time, loop wheel machine energy repeated usage, and the arc surfaced bottom surface by chassis seating cooperates with rail with round steel and round steel, loop wheel machine can steadily be exercised, experiment through the applicant shows that the hoisting capacity of loop wheel machine can satisfy the needs of most bridge lifting construction more than 20t.

For further specifying above-mentioned purpose of the present utility model, constructional feature and effect, the utility model is described in detail below with reference to accompanying drawing.

Description of drawings

Fig. 1 is the front view of the embodiment of loop wheel machine of the present utility model;

Fig. 2 is the planar view on the chassis of the loop wheel machine among Fig. 1;

Fig. 3 is the partial view of the junction of chassis among Fig. 1 and omnipotent bar;

Fig. 4 is the partial view of the junction of the assembly pulley bearing of the capital among Fig. 1 and omnipotent bar column;

Fig. 5 be in assembly pulley bearing and the assembly pulley among Fig. 1 movable pulley be connected view.

The specific embodiment

To describe preferred embodiment of the present utility model in detail now, although the employed term in back is to select from public term, but some term then is the applicant to be judged by it and selects, and its detailed meanings should be understood according to the spirit that the application's desire discloses.

As shown in Figure 1, loop wheel machine 1 comprises rail 11, steel pipe 12, chassis 13, chassis seating 14, omnipotent bar column 15, counterweight 16, assembly pulley 17, assembly pulley bearing 19 and winch 18.Omnipotent bar column 15 is arranged on an end on chassis 13, counterweight 16 and winch 18 are arranged on the other end on chassis 13, assembly pulley bearing 19 is arranged on the capital of omnipotent bar column 15, be used to support assembly pulley 17, chassis seating 14 has the bottom surface of arc surfaced, a plurality of chassis seatings 14 are welded in chassis 13 and the bottom surface by its arc surfaced is positioned on the many steel pipes 12, and steel pipe 12 is positioned on the rail 11.The steel rope of winch 18 is by assembly pulley 17 weight of slinging, and loop wheel machine 1 can also move by rail 11, to enlarge its operating range.Chassis seating 14 wherein is to be welded by the polylith steel plate in the present embodiment, and chassis seating 14 can also be that other material forms certainly, as long as it has the bottom surface of arc surfaced.Loop wheel machine 1 can also comprise counterweight 16 ', is arranged on a described end on chassis 13, to strengthen the resistance to capsizing of loop wheel machine 1.

As shown in Figure 2, chassis 13 comprises many first crossbeams 132 and many first longerons 134, first longeron 134 is perpendicular to first crossbeam 132 and intersects with first crossbeam 132, in the present embodiment, chassis 13 is assembled by channel-section steel, first crossbeam 132 can be the channel-section steel that a pair of notch is provided with dorsad and with a gap, first longeron 134 also can be that a pair of notch is provided with channel-section steel dorsad and with a gap, it can also be single channel-section steel, chassis in Fig. 1 mainly is by first crossbeam, 132 bearing loads, therefore first longeron 134 preferably is arranged to single channel-section steel, with saving in material.Part first crossbeam 132 can also be an a pair of notch bonded assembly channel-section steel relatively seamlessly, and this part first crossbeam 132 is not connected with omnipotent bar column 15.It should be noted, the structure on the chassis 13 of loop wheel machine of the present utility model is not limited thereto, chassis 13 can be assembled by multiple shaped steel such as channel-section steel, angle steel or I-beam sections, and chassis 13 is except comprising first crossbeam 132 and first longeron 134, can also comprise other element, such as can be connected shaped steel stiffener (not shown in the diagram) with the diagonal angle that Duo Gen first longeron 134 intersects the square box that forms at many first crossbeams 132, so that bigger load can be born in chassis 13.

Simultaneously with reference to Fig. 2 and Fig. 3, the part of a plurality of gusset plates 315 stretches into many gaps to transverse channel steels 132 respectively and is many to transverse channel steels 132 bolted connections with this, another part stretch into omnipotent bar column 15 respectively and with omnipotent bar column 15 bolted connections, thereby realize being connected of omnipotent bar column 15 and chassis 13.

As shown in Figure 5, assembly pulley bearing 19 comprises many second longerons 190 and Duo Gen second crossbeam 192, in the present embodiment, second longeron 190 connects omnipotent bar column 15, second crossbeam 192 is vertically to be arranged on second longeron 190, second longeron 190 and second crossbeam 192 are channel-section steels that a pair of notch is provided with dorsad, and second longeron, 190 bolted connections, second crossbeam 192.Simultaneously with reference to Fig. 4, the top of gusset plate 519 stretch between the gap of a pair of channel-section steel of second longeron 190 and with second longeron, 190 bolted connections, the lower part of gusset plate 519 stretch into omnipotent bar column 15 and with omnipotent bar column 15 bolted connections, thereby realize being connected of omnipotent bar column 15 and assembly pulley bearing 19.Should be noted in the discussion above that second longeron 190 and second longeron 192 can also be made up of other shaped steel such as angle steel, I-beam sections.

Continuation is with reference to Fig. 1 and Fig. 5, and assembly pulley 17 comprises a plurality of fixed pulleys 174 and at least one movable pulley 172, and a plurality of fixed pulleys 174 are to be supported by assembly pulley bearing 19 by being arranged at across the cylinder between two second crossbeams 192.

Continuation can more stably be moved in order to make loop wheel machine 1 with reference to Fig. 1, and loop wheel machine 1 comprises many auxiliary catchs 413, many auxiliary catch 413 difference hook joint chassis 13 and rail 11.

Structure from above-mentioned loop wheel machine 1, loop wheel machine 1 can be become by spelling between the existing various members, and after loop wheel machine 1 is finished construction, most of member of forming can be dismantled, to such an extent as to loop wheel machine 1 is easy to move away from the camp site, and loop wheel machine 1 can also repeat assembly unit by the previous member of forming when constructing next time, loop wheel machine 1 energy repeated usage, and the arc surfaced bottom surface by chassis seating 14 cooperates with rail 11 with round steel 12 and round steel 12, loop wheel machine 1 can steadily be exercised, experiment through the applicant shows that the hoisting capacity of loop wheel machine 1 is more than 20t.

Though the utility model discloses as above with preferred embodiment; yet it is not in order to limit the utility model; anyly be familiar with one of ordinary skill in the art; in not breaking away from spirit and scope of the present utility model; therefore should make the variation or the replacement of all equivalences, protection domain of the present utility model is when looking accompanying being as the criterion that the application's claim scope defined.

Claims

1. a loop wheel machine is characterized in that, comprising:

Rail;

Steel pipe;

The chassis comprises many first crossbeams and Duo Gen first longeron, and described first crossbeam and described first longeron are vertically crossing;

Chassis seating has the bottom surface of arc surfaced;

Omnipotent bar column is arranged on the end on described chassis;

Counterweight is arranged on the other end on described chassis;

Assembly pulley comprises a plurality of fixed pulleys and at least one movable pulley;

The assembly pulley bearing, be used to support described assembly pulley, comprise many second crossbeams and Duo Gen second longeron, described second longeron is fixed in the capital of described omnipotent bar column, and intersect to described second beam vertical described second longeron, described assembly pulley is supported by many described second crossbeams; And

Winch is arranged on the described other end on described chassis, and the steel rope on it is by the described assembly pulley weight of slinging;

Wherein, a plurality of described chassis seatings are welded in described chassis and the bottom surface by its arc surfaced is positioned on the many described steel pipes, and described steel pipe is positioned on the described rail.

2. loop wheel machine as claimed in claim 1 is characterized in that also comprising a plurality of auxiliary catchs, respectively described chassis of hook joint and described rail.

3. loop wheel machine as claimed in claim 1 is characterized in that described chassis seating is to be welded by the polylith steel plate.

4. loop wheel machine as claimed in claim 1 is characterized in that described first crossbeam and described first longeron are assembled by channel-section steel, I-beam section or angle steel, and described chassis is to captive joint by a plurality of gusset plates with described omnipotent bar column.

5. loop wheel machine as claimed in claim 1 is characterized in that, described second crossbeam and described second longeron comprise the channel-section steel that a pair of notch is provided with dorsad, and the capital of described omnipotent bar column connects described second crossbeam with gusset plate.

6. suspension bracket as claimed in claim 4, it is characterized in that, described first crossbeam comprises the channel-section steel that a pair of notch is provided with dorsad and with a gap, and described second longeron comprises single channel-section steel, and a plurality of gusset plates connect at the bottom of many respectively posts with described first crossbeam and described omnipotent bar column.

7. loop wheel machine as claimed in claim 1 is characterized in that also comprising the counterweight of a described end that is arranged at described chassis.

8. suspension bracket as claimed in claim 6 is characterized in that, described first crossbeam of part also comprises the channel-section steel that a pair of notch is provided with in opposite directions, and described first crossbeam of this part is not connected with at the bottom of the post of omnipotent bar column.