CN209892201U - Station-crossing device of shield machine host - Google Patents

Abstract

A station-crossing device of a shield machine host comprises a bearing module and a shield machine fixing module which is used for fixing the shield machine host together with the shield machine; the bearing module comprises a bearing platform and a plurality of roller-shaped wheels; the shield constructs quick-witted fixed module can be rather than the below the bearing module can be dismantled and link together, and make the minimum point that the shield constructs the machine is higher than the minimum of roller shape wheel still be equipped with on the shield constructs quick-witted fixed module and be used for with jacking ware complex jacking position, the jacking position sets up the bearing module with the position of dodging of shield constructs quick-witted fixed module junction. Its translation is efficient, the security is high.

Description

Shield machine host passing device

technical field

The utility model relates to the technical field of shield machine transportation, in particular to a station passing device of a shield machine host.

Background technique

When the construction line of the shield machine is interrupted, lifting equipment is generally used to hoist the shield machine components out of the ground through the hoisting port of the shield machine, and the shield machine is transported to a new construction point through ground transportation equipment, and then the lifting equipment is used again. After lowering the shield machine components from the shield machine hoisting port to the new shield excavation position, reassemble the shield machine.

Due to the large amount of tunnel excavation and complicated operation procedures, there are more influencing factors especially during the construction of subways in the city. Due to the needs of the surrounding environment and construction procedures, in some stations or transfer stations, the hoisting port of the shield machine may be closed in advance. At this time, the shield machine cannot be moved by hoisting and transporting. At this time, it is necessary to move the shield machine in the station for translational construction or construction over the station. The difference between station-passing construction and translational construction is that the mainframe needs to be jacked up to a certain height in station-passing construction, and then moved for a long distance in the station and then lifted and lowered again; translational construction generally refers to moving on a plane.

In general, the length of the shield machine is 9.5 meters, and the weight is about 350 tons with a diameter of 6.4 meters, and the cross-sectional size of the station of this type of shield tunnel is generally 8 meters × 7 meters, especially the existence of oblique angles in some stations. , it is very difficult for the shield machine to carry out the above repeated construction in a small space.

Utility model content

The purpose of the invention of the present utility model is to provide a shield machine main engine passing device, so as to solve the technical problems of difficult translation and low translation efficiency of the shield machine in the underground tunnel.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical solutions:

A shield machine host passing device is designed, which includes a support module and a shield machine fixing module for fixing with the shield machine; the support module includes a support table and a plurality of roller wheels, The roller-shaped wheel is connected with the support platform by rolling friction; the shield machine fixing module is arranged above the support module, and can be detachably connected with the support module, and makes the shield machine The lowest point of the shield machine is higher than the lowest point of the roller wheel, and a jacking position for cooperating with a jack is also provided on the shield machine fixing module, and the jacking position is arranged between the support module and the jack. The avoidance position of the connection of the shield machine fixing module, so that when the jacking device lifts the shield machine fixing module higher than the supporting module, the shield machine fixing module and the shield machine fixing module are arranged at the same position. The lower supporting modules can be detachably connected together.

Preferably, the jacking device is installed on the jacking position, and the jacking device can support the fixing module of the shield machine to be higher than the supporting module.

Preferably, the supporting platform is further provided with a pulling position for connecting the pulling rope.

Preferably, the bottom surface of the support table is provided with a roller-shaped wheel friction groove, and the roller-shaped wheel arranged in the roller-shaped wheel friction groove is movably connected to the support table through a shaft pin. The roller wheel is a smooth steel rod, the smooth steel rod is ø60mm～ø100mm

Further, there are at least 6 roller wheels.

Further, grease is provided at the connection between the friction groove of the roller wheel and the smooth steel bar.

Compared with the prior art, the beneficial effects of the present utility model include: by adopting the supporting module, the frictional resistance of the main body of the mobile shield machine can be reduced, and the translation efficiency is high; The fixing of the supporting module avoids the relative sliding of the cylindrical shield machine main body and the supporting module during the lateral rolling and moving process, and the safety is high.

Description of drawings

FIG. 1 is a front view of a shield machine main machine passing device installed on the shield machine main machine in Embodiment 1 of the present utility model.

FIG. 2 is a left side view of FIG. 1 .

FIG. 3 is a front view of a shield machine main machine passing device installed on the shield machine main machine in Embodiment 2 of the present utility model.

FIG. 4 is a left side view of FIG. 3 .

Figure 5 is a front perspective view of a shield machine main engine passing device of the present invention.

FIG. 6 is a left perspective view of FIG. 5 .

FIG. 7 is a bottom perspective view of FIG. 6 .

FIG. 8 is a perspective view of the support table of FIG. 7 .

In the figure, 1-shield machine, 11-front shield, 12-middle shield, 13-shield tail, 2-shield machine fixed module, 3-support module, 31-support platform, 311-roller wheel friction Slot, 312-pulling position, 313-bolt hole, 314-shaft pin hole, 32-roller wheel, 321-shaft pin groove, 33-shaft pin, 4-lifter.

Detailed ways

The specific embodiments of the present utility model will be described below in conjunction with the accompanying drawings and examples, but the following examples are only used to describe the present utility model in detail, and do not limit the scope of the present utility model in any way.

Referring to FIG. 2 , the shield machine 1 has a front shield 11 , a middle shield 12 and a shield tail 13 .

Embodiment 1: A shield machine host passing device, see Fig. 1-2 and Fig. 5-8 , including a support module 3 and a shield machine fixing module 2 for fixing with the shield machine 1 .

The support module 3 includes a support table 31 and a plurality of roller wheels 32 , and the roller wheels 32 are connected with the support table 31 by rolling friction.

The shield machine fixing module 2 is arranged above the support module 3 and can be detachably connected with the support module 3. When the shield machine 1 is fixed with the support module 3 through the shield machine fixing module 2 , the lowest point of the shield machine 1 is higher than the lowest point of the roller wheel 32, and the roller wheel 32 of the supporting module 2 can all be in contact with the translation support surface.

The shield machine fixing module 2 is also provided with a jacking position for cooperating with the jacking device 4, and the jacking position is set at the avoidance position where the support module 3 and the shield machine fixing module 2 are connected, so that when the jacking is lifted When the device 4 lifts the shield machine fixing module 2 higher than the supporting module 3, the shield machine fixing module 2 and the supporting module 3 arranged below the shield machine fixing module 2 can be detachably connected together. Referring to Fig. 1-2 and Fig. 5-7, in this embodiment, the fixing module 2 of the shield machine and the supporting module 3 are connected together by bolts. Bolt perforations 313 are provided on the support platform 31, and first bolt perforations are also provided at the corresponding positions on the shield machine fixing module 2. The bolt connecting pieces pass through the bolt holes 313 and the first bolt perforations to fasten the shield machine to the fixing module. 2 is connected with the supporting module 3.

It can be improved as required, and a jacking device 4 is installed on the jacking position, and the jacking device 4 can support the fixed module 2 of the shield machine to be higher than the supporting module 3 .

As required, the support platform 31 is further provided with a pulling position 312 for connecting the pulling rope. In FIG. 7 , the pulling position 312 is perforated, which is convenient for fixing the pulling rope, and the pulling position 312 can also be a hook and a bolt, which can be convenient for fixing the pulling rope.

Optionally, the bottom surface of the support table 31 is provided with a roller-shaped wheel friction groove 311 , and the roller-shaped wheel 32 disposed in the roller-shaped wheel friction groove 311 is movably connected to the support table 31 through a shaft pin 33 . . Specifically, shaft pin grooves 321 are provided on both end surfaces of the roller wheel 32 . The shaft pin grooves 321 are preferably arranged coaxially with the roller wheel 32 , and the roller wheel friction groove 311 is an arc surface matching the roller wheel 32 . , a shaft pin hole 314 is provided on the axis of the support table 31 corresponding to the roller friction groove 311. The clearance fit is used to prevent the roller wheel 32 from rotating in the roller friction groove, and it is also beneficial to add grease, such as lithium-based grease, and the shaft pin 33 is tightly fitted with the shaft pin hole 314 . The roller wheel 32 is a smooth steel rod, and the smooth steel rod is ø60mm～ø100mm. Further preferably, there are at least 6 roller-shaped wheels, and the number of roller-shaped wheel friction grooves 311 matches the number of roller-shaped rollers.

Referring to Figure 1-2, the shield machine fixing module 2 is a strip. When it is fixed with the shield machine 1, the vertical distance between it and the lowest point of the shield machine 1 is ≥ 0. In this way, two shield machines can be fixed. The module 2 is arranged on both sides of the shield machine 1, and the shield fixing module 2 and the shield machine 1 are welded and fixed together, and then the shield machine fixing module 2 is lifted by the jack 4, and the supporting module 3 is pushed up. After reaching the bottom of the shield machine fixing module 2 and being fixed with the shield machine fixing module 2, it is enough to make the roller wheel of the supporting module 3 contact the translation support surface.

When in use, first place the jacking position on the lower surface of the shield machine fixing module 2, so that the centers of the four shield machine fixing modules 2 are set just below the center of gravity of the shield machine 1, and these shield machines are fixed. The module 2 and the shield machine 1 are welded and fixed together; the jacking device 4 is arranged directly below the jacking position, and the corresponding shield machine fixing module 2 is lifted by the jacking device 4, and these jacking positions are Simultaneously raise until the support module 3 can be moved directly under the corresponding shield machine fixing module 2; after the support module 3 is moved directly under the corresponding shield machine fixing module 2, the The machine fixing modules 2 are connected together by bolted joints; grease is applied to the movable joint of the supporting module, that is, the connection position of the roller 322 and the smooth steel bar 321; then, the jacks 4 are synchronized slowly Retract until the roller wheel 32 of the support module 3 is in contact with the translational support surface; push or pull the support module 3, so that the support module 3 sends the shield machine 1 to the target position; then set the jacking device 4 Just below the jacking position, the jacking device 4 is used to lift the corresponding shield machine fixed modules 2 respectively, and these jacking positions are raised synchronously until the support module 3 is separated from the translation support surface; The module 3 is removed from the shield machine fixing module 2; the jacks 4 are slowly retracted synchronously until the shield machine 1 falls on the support, and all the shield machine fixing modules 2 are removed. In the prior art, the welding fixation is non-detachable fixation, but the welding piece can still be removed from the fixation by cutting or partial heat fusion. The jack 4 selects a hydraulic jack with a thrust of 200t, and its jacking stroke is greater than or equal to 100mm.

Embodiment 2: A shield machine host passing device, see FIGS. 3-4 , includes a support module 3 and a shield machine fixing module 2 for fixing with the shield machine 1 . The difference between this embodiment and Embodiment 1 is that the shield machine fixing module 2 in this embodiment includes a shield machine support member and a jack-up member, and the support surface of the shield machine support member can fit on the shield machine The surface of the machine is in the shape of an arc groove. At this time, it is necessary to separate the lifting member from the supporting member. The lifting member and the shield machine 1 are welded and fixed together, and the supporting member of the shield machine and the supporting module are fixed together. 3 Fix them together, and then use the jacking device 4 to lift the jacking member, move the shield machine support member under the shield machine 1, and fix the shield machine support member and the jacking member or the shield phase 1 together. That's it.

The present utility model has been described in detail above in conjunction with the accompanying drawings and the embodiments, but those skilled in the art can understand that, without departing from the purpose of the present utility model, each specific parameter in the above-mentioned embodiments can also be adjusted. Modifications to form multiple specific embodiments are all within the common variation range of the present invention, and will not be described in detail here.

Claims (6)

1. A station-crossing device of a shield machine host is characterized by comprising a bearing module and a shield machine fixing module which is used for fixing the shield machine host together with the shield machine; the bearing module comprises a bearing platform and a plurality of roller-shaped wheels, and the roller-shaped wheels are in rolling friction connection with the bearing platform; the shield constructs quick-witted fixed module setting and is in bearing module top, and can with the bearing module can dismantle the link together, and make the minimum point of shield structure machine is higher than the minimum of roller shape wheel still be equipped with on the shield constructs quick-witted fixed module and be used for with jacking ware complex jacking position, the jacking position sets up bearing module with the position of dodging of shield structure machine fixed module junction, so that work as the jacking ware jacking shield constructs quick-witted fixed module and is higher than during the bearing module, shield constructs quick-witted fixed module and sets up below it the bearing module can dismantle the link together.

2. The shield machine host station-crossing device according to claim 1, wherein the jacking device is mounted on the jacking position, and the jacking device can support the shield machine fixing module higher than the bearing module.

3. The station crossing device of the host machine of the shield tunneling machine as claimed in claim 1, wherein the supporting platform is further provided with a pulling position for connecting a pulling rope.

4. The station crossing device of the host machine of the shield tunneling machine as claimed in claim 1, wherein a roller-shaped wheel friction groove is formed in the bottom surface of the bearing platform, the roller-shaped wheel arranged in the roller-shaped wheel friction groove is movably connected with the bearing platform through a shaft pin, the roller-shaped wheel is a smooth steel bar, and the smooth steel bar is ø 60 mm- ø 100 mm.

5. The host shield machine station-crossing device of claim 4, wherein the number of the roller-shaped wheels is at least 6.

6. The station-crossing device of the host machine of the shield tunneling machine according to claim 4, wherein lubricating grease is arranged at the joint of the roller-shaped wheel friction groove and the smooth steel bar.

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