CN203584433U - Starting bench vehicle used for shield splitting starting - Google Patents

Abstract

The utility model relates to a support bench vehicle of split starting lap-joint double-track beam. The support bench vehicle is used when shield construction is constrained by place conditions. A starting bench vehicle used for shield splitting starting is made of equilateral H section steel in a welded manner; the starting bench vehicle comprises a set of working bench vehicle and some connecting rod pieces; each of the some connecting rod pieces is made of a vertical beam, a crossbeam and a cant beam; and all the connecting rod pieces are connected to form a reversed U-shaped support which is then fixed connected with the top of the bench vehicle via the connecting pieces. The starting bench vehicle is simple in structure, easy to process, install and use, and satisfies requirements of shield splitting starting.

Description

A kind of chassis that starts starting for the split of shield structure

Technical field

The utility model relates to shield-tunneling construction and is subject to the start support chassis of overlap joint double track beam of a kind of split that site condition when restriction adopts.

Background technology

At present, along with the development in city, urban land is more and more crowded, for avoiding the impact on numerous citizen's normal life, more next narrow and small for the place of engineering construction.Conventional shield launching mode is the construction of starting after shield structure well assembly and adjustment of shield machine main frame and rear supporting chassis, this just requires starting well will have enough spaces to deposit shield machine main frame and Backup system, and to meet the required Material Transportation of shield structure, meet the demand of battery truck marshalling transportation goods and materials.This just requires to take the larger place of starting, and surrounding resident need be carried out to removing and resettlement, and possibly peripheral path is carried out to traffic and lead and change, and the normal life of periphery resident is brought inconvenience.

The split of shield structure start be pipeline between main frame and rear supporting chassis along with shield structure main frame driving extends, be the originating mode that can save occupied ground during starting.

The split of shield structure is started and is referred to that shield launching well integral body starts in the situation of insufficient space, carries out temporary transient separated a kind of originating mode by shield machine main frame and rear supporting chassis.Be by shield machine shield body be placed in starting well, shield machine chassis is placed in ground, fluid pressure line by sufficient length between shield machine main frame and chassis, cable etc. are connected.And after the driving sufficient length of shield machine, being placed on ground shield machine chassis, hanging interior into well and re-start and be connected with main frame.

Because of split, start and need secondary lifting, cause construction cost to increase, and hydraulic pressure, grouting pipeline need to be extended to about 300m, construction difficulty is multiplied, therefore split is started, chassis is comparatively rare.Conventionally the shield structure split the adopting chassis that starts is Simple door-shaped support, and design, processing are very simple and crude, is unfavorable for laying shield tail grease pump and easy unstability, has more potential safety hazard.

While starting due to split, shield machine main frame is separated with chassis, need to adopt the chassis that starts to replace chassis to carry double track beam after separation, conveyor, grease tank, pipeline etc.

For allow shield machine split start safety, conveniently complete, be badly in need of a kind of can for split is started, what provide safeguard be the safe and practical easy to operate chassis that starts again.

Utility model content

The utility model is not enough according to above-mentioned prior art, and the shield structure split chassis that starts is provided, and chassis is by bottom girder, top longeron, vertical beam, cant beam, laterally connecting rod, jacking, wheel are formed by connecting to, steel sheet, ribs etc.

The utility model longeron, cant beam, vertical beam, horizontal connecting rod adopt equilateral H shaped steel processing, wherein cant beam, laterally connecting rod, vertical beam, top longeron employing 150 * 150 " H " shaped steel, the processing of bottom girder employing 200 * 200 " H " shaped steel, between each rod member, full weld connects, ribs adopts 250 * 250 * 28 steel plates to process, be connected with other rod member full welds, the reserved bolt hole mating with double track beam on jacking, wheel is to adopting high-strength bolt to be connected with chassis framework, and the steel sheet of laying tail seal grease of shield pump is connected with adjacent rod member spot welding.

The utility model adopts 6 horizontal connecting rods that both sides door shaped stent is connected into an integral body at top, form therebetween transit passage, 4 groups of wheels are set in pallet bottom rear and front end right, to reach the object that moves ahead/stop and moving ahead/stop along with shield driving simultaneously.

The utility model solves the technical scheme that its technical problem adopts: the chassis that starts is installed in main frame connecting bridge position, and it is right that install with the wheel of trolley traveling Orbit Matching the chassis below of starting.

The beneficial effects of the utility model are that simple in structure, processing, installation, easy to use, meet the requirement that the split of shield structure is started.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 is the overall structure figure of this chassis.

Fig. 2 is the vertical section constructional drawing of Fig. 1.

Fig. 3 is the top view of Fig. 1.

Fig. 4 is the front end face figure of Fig. 1.

Fig. 5 is the rear end face figure of Fig. 1.

Fig. 6 is the superstructure drawing in side sectional elevation of Fig. 2.

Fig. 7 is the substructure drawing in side sectional elevation of Fig. 2.

Fig. 8 is the right-hand member gusset plate detail drawing of Fig. 3.

Fig. 9 is the left end gusset plate detail drawing of Fig. 3.

The specific embodiment

Below in conjunction with accompanying drawing, by embodiment, feature of the present utility model and other correlated characteristics are described in further detail, so that colleague technician's understanding:

As Fig. 1-9, in figure, mark 1-16 is respectively: 1 bottom girder, 2 top longerons, 3 vertical beams, 4 cant beams, 5 horizontal connecting rods, 6 jackings, 7 tail seal grease of shield pumps, 8 grease tanks, 9 triangle ribs, 10 trapezoidal ribs, 11 chassis wheels are to, 12 shield machine belt conveyers, 13 shield machine double track beams, 14 traveling supporting plates (steel sheet), 15 battery trucks, 16 gusset plates.

Embodiment: when No. eight line running tunnels of subway adopt shield construction, because launching shaft is positioned at bustling location, be subject to surrounding enviroment condition restriction, removal and traffic are led to change by stages and are carried out, because of starting well space less, the operational only 43m of zone length that starts, shield machine main frame adds the about 68m of rear supporting total length, and starting well cannot meet the shield whole needs that start.For guarantee that the duration completes on schedule, the mode that adopts split the to start construction of starting, has completed interval tunneling construction smoothly.Along with the development of city underground, for reducing the impact on surrounding city environment, the mode that split is started will be more and more for shield-tunneling construction.

As Figure 1-3; for guarantee the split of shield structure start during the timely supply of tail seal grease of shield; reduction causes shield machine downtime because of tail seal grease of shield reason; simplify working procedure; improve tunneling construction efficiency, on the left of chassis is started in split, running truck is set, this chassis can advance immediately following shield structure; reduce unnecessary pipeline and extended quantity, saved the time of transporting back and forth grease.This running truck consists of bottom girder 1, top longeron 2, cant beam 4, vertical beam 3, traveling supporting plate 14, and between each member, full weld connects, and is provided with tail seal grease of shield pump 7, grease tank 8 on traveling supporting plate, can meet shield-tunneling construction shield tail grease demand.

As shown in Fig. 1,4,5, this chassis that starts consists of rod member bottom girder 1, top longeron 2, cant beam 4, vertical beam 3, horizontal connecting rod 5, jacking 6, triangle ribs 9, trapezoidal ribs, by top longeron 2, bottom girder 1, vertical beam 3, cant beam 4, be welded into "door" type frame construction, between two the "door" type frameworks in left and right, adopt some horizontal connecting rods to connect into an integral body, laterally connecting rod length is greater than the battery truck width on traveling battery truck track, guarantees that battery truck carries out goods and materials horizontal transport smoothly under chassis is started in split.

As shown in Fig. 1,2,4,5, above top longeron 2, adopt short vertical beam 3, short cant beam 4, jacking 6, horizontal connecting rod 5 to be welded into "door" type framework, above framework, can support shield machine double track beam 13, belt conveyor 12, and below pallet bottom vertical beam 3 is started in split erecting bed wheel to 11, make shield machine again under the traction of double track beam with shield going-forward, and shield machine double track beam 13, conveyor conveyer 12 are carried to vertical bearing capacity.

As shown in Fig. 2,3,6,7,8,9, the holder 6 of shield structure split originating station roof is connected with belt conveyor by bolt; Shield machine double track beam and top cross connecting rod 5 are by being weldingly connected; Chassis wheel is bolted to connection with gusset plate 16 11.

Use this utility model shield structure split chassis that starts to carry out the shield machine split construction of starting, greatly saved shield launching occupied ground, reduced the impact of shield-tunneling construction on surrounding enviroment, allowing the split of shield structure start, that construction becomes is succinct, convenient, for projects has been obtained good economic benefit and social benefit.

Claims (6)

1. the chassis that starts starting for the split of shield structure, adopt equilateral H shaped steel to be welded, it is characterized in that: described in the chassis that starts comprise a set of running truck and some connecting rods, connecting rod is mainly comprised of longeron, crossbeam, cant beam, and each rod member is fixedly connected with by connecting rod at chassis top after connecting into "door" type support.

2. a kind of chassis that starts starting for the split of shield structure according to claim 1, is characterized in that described chassis left side arranges running truck, is provided with shield tail grease pump, grease tank, oil tank on running truck.

3. a kind of chassis that starts starting for the split of shield structure according to claim 1, is characterized in that described chassis is three story frame structures.

4. a kind of chassis that starts starting for the split of shield structure according to claim 1, is characterized in that the rod member length of chassis top and both sides "door" type support tie point is not less than battery truck and the drag-out slag car width travelling wherein.

5. a kind of chassis that starts starting for the split of shield structure according to claim 1, is characterized in that described pallet bottom is provided with 4 groups of wheels that match with shield machine chassis sleeper right, can move ahead or stop with shield machine driving.

6. a kind of chassis that starts starting for the split of shield structure according to claim 1, is characterized in that can carrying shield machine double track beam and belt conveyor at top.

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