CN210660096U - Integral station-crossing device of shield tunneling machine - Google Patents
Integral station-crossing device of shield tunneling machine Download PDFInfo
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- CN210660096U CN210660096U CN201921638355.8U CN201921638355U CN210660096U CN 210660096 U CN210660096 U CN 210660096U CN 201921638355 U CN201921638355 U CN 201921638355U CN 210660096 U CN210660096 U CN 210660096U
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Abstract
The utility model provides a whole station device that crosses of shield structure machine. The station crossing device comprises a shield tunneling machine bracket, a shield reaction frame fixedly arranged at the tail end of the shield tunneling machine bracket and a lifting jack fixedly arranged at the bottom of the shield tunneling machine, wherein a shield tunneling machine walking track and a bracket sliding track are distributed on the shield tunneling machine bracket, the height of the bracket sliding track is greater than that of the shield tunneling machine walking track, the shield tunneling machine is arranged on the shield tunneling machine walking track of the shield tunneling machine bracket, the tail end of the shield tunneling machine is connected with the shield reaction frame through a thrust cylinder, and the lifting jack at the bottom is correspondingly embedded into the bracket sliding track through sliding blocks at two sides; in the pushing process of the propulsion oil cylinder, the lifting jack at the bottom of the propulsion oil cylinder slides forwards along the bracket sliding track, and hollow slideways are formed in the sliding areas of the bracket sliding track and the shield tunneling machine bracket corresponding to the lifting jack. The utility model discloses reduce whole work load and the construction material of crossing the station of shield structure machine, reduced the construction cost of crossing the station, guaranteed the synchronization and the stability that the shield body removed.
Description
Technical Field
The utility model relates to a device that shield constructs machine and crosses station especially is applicable to the whole device that crosses station of major diameter shield structure machine.
Background
With the development of cities, urban underground rail transit is more and more mature, and shield construction is the tunnel construction method with the highest safety in tunnel construction at present. In subway construction, a plurality of stations are provided, the section is short, the shield machine needs to pass through one or more stations under most conditions, and the shield machine is large in size, so that the shield machine passing through the stations is a difficult problem in shield construction.
At present, the traditional shield station-crossing mode mainly comprises the steps of dismantling, hoisting, translating and station-crossing. For a large-diameter shield machine, the number of disassembling, hoisting and station-crossing is large, but frequent hoisting, disassembling, secondary assembling, secondary debugging and construction and other links of the shield machine and a later matching are needed, so that the construction period is seriously influenced; meanwhile, a large amount of investment in manpower, material resources and financial resources is needed, and the construction cost is increased. The existing shield translation method is to lay a track on a station bottom plate, install a shield machine on a special track trolley, and pull the shield machine to pass by using a winch, and because the weight of a large-diameter shield exceeds 900 tons, a common track can not bear pressure and is easy to break, the special trolley and the track are required to be laid when the shield machine passes by adopting the method, and because the processing precision and the manufacturing requirement of the track and the trolley are higher, and the laying of the track needs more materials and manpower, a large amount of time is required, and the cost of passing the shield machine is increased.
In addition, the two station-crossing modes generally have the defects of low construction efficiency, inconvenient operation and the like. Therefore, in order to solve the above technical problems, it is necessary to provide a device suitable for the whole translation of the shield tunneling machine to pass through the station, so as to overcome the above drawbacks in the prior art.
SUMMERY OF THE UTILITY MODEL
In order to overcome the prior art not enough, the utility model provides a whole device of crossing of shield constructs machine should cross the station device and can be used for the heavy shield of major diameter to construct the machine, makes its whole quick, safe crossing, and practices thrift a large amount of costs.
In order to solve the technical problem, the utility model provides a technical scheme does: the whole station-passing device of the shield machine is characterized in that: the station crossing device comprises a shield tunneling machine bracket, a shield reaction frame fixedly arranged at the tail end of the shield tunneling machine bracket and a lifting jack fixedly arranged at the bottom of the shield tunneling machine, wherein a shield tunneling machine walking track and a bracket sliding track are distributed on the shield tunneling machine bracket, the height of the bracket sliding track is greater than that of the shield tunneling machine walking track, the shield tunneling machine is arranged on the shield tunneling machine walking track of the shield tunneling machine bracket, the tail end of the shield tunneling machine is connected with the shield reaction frame through a thrust cylinder, and the lifting jack at the bottom is correspondingly embedded into the bracket sliding track through sliding blocks at two sides; in the pushing process of the propulsion oil cylinder, the shield tunneling machine horizontally advances along a bracket of the shield tunneling machine, and a lifting jack at the bottom of the shield tunneling machine slides along a bracket sliding track; the support frame slides the track and the shield constructs the regional fretwork slide that forms that slides that the machine bracket corresponds the lifting jack, and when the lifting jack was perpendicular to ascending the shield structure machine, the shield constructs the machine and breaks away from the shield and constructs the machine walking track, and the lifting jack bottom passes the fretwork slide and arranges ground in and the ascending lifting of shield structure machine bracket to at the propulsion cylinder recovery in-process, the shield constructs the machine bracket along fretwork slide to shield structure machine direction of advance horizontal migration.
The utility model discloses better technical scheme: the shield constructs quick-witted bracket and is square frame construction, is formed by shaped steel, channel-section steel and I-steel welding combination, and the interval between its shield constructs quick-witted moving direction's two adjacent supports equals or is greater than the distance that thrust cylinder promoted shield and constructs quick-witted forward, and corresponds the clearance formation fretwork slide between the regional two adjacent supports of lifting jack sliding.
The utility model discloses further technical scheme: the bracket sliding track is a sliding groove with a hollowed-out bottom formed by two pieces of I-shaped steel or channel steel with opposite notches, the sliding blocks on two sides of the lifting jack are embedded into the lower portion of the sliding groove, the height of each sliding block is smaller than that of the sliding groove, when the lifting jack vertically jacks up the shield tunneling machine, the sliding blocks vertically move upwards along the sliding groove of the bracket sliding track, and when the sliding blocks move to the top of the sliding groove, the sliding blocks are clamped through the upper baffle of the sliding groove.
The utility model discloses better technical scheme: the shield tunneling machine is characterized in that at least two pairs of lifting jacks are symmetrically arranged on two sides of the bottom of the shield tunneling machine, and the rodless cavity end of each lifting jack is directly fixed on the shield tunneling machine, or a square support is welded at the position where the lifting jacks are correspondingly arranged on the shield tunneling machine, and the rodless cavity end of each lifting jack is fixed on the square support; the two bracket sliding tracks are symmetrically arranged on the outer side of the shield tunneling machine walking track.
The utility model discloses further technical scheme: the shield tunneling machine walking track is laid on the triangular diagonal bracing supports, the inclined planes of the two triangular diagonal bracing supports are arranged oppositely, a plurality of reinforcing rib plates are welded in the triangular diagonal bracing supports, and the distance between the reinforcing rib plates is 0.8-1 m; two rows of steel rails are welded on each triangular inclined strut support, and a plurality of reinforcing rib plates are welded between the two rows of steel rails and on the side faces of the steel rails.
The utility model has the advantages that:
(1) the utility model discloses a device of crossing station mainly utilizes the thrust cylinder of self to provide the thrust that shield constructs machine and bracket and gos forward, has avoided installing external jack, has reduced the whole work load of crossing the station of shield structure machine, has reduced the quantity of the required construction material of crossing the station, has reduced the construction cost of crossing the station.
(2) The utility model discloses can make the whole station that crosses of shield structure machine, need not break off various pipelines and the circuit of shield structure machine, can not cause secondary pollution, also need not carry out the debugging before the secondary is originated, shortened the time limit for a project of crossing the station greatly.
(3) The utility model discloses a double track to between the track and support between increased and add the muscle floor, when advancing the great major diameter shield of weight machine, can not appear because of the shield constructs quick-witted weight too big, the cracked problem of track has utilized the bracket and the propulsion system of shield structure machine itself, has not only guaranteed the synchronism and the stability that the shield body removed, has still avoided the shield body upset, has realized the low-cost station of the heavy shield structure machine of major diameter.
Drawings
FIG. 1 is a schematic structural diagram of a tail end of a shield tunneling machine;
FIG. 2 is a schematic longitudinal cross-sectional view of the shield tunneling machine as it advances;
FIG. 3 is a schematic longitudinal cross-sectional view of the carriage as it advances;
fig. 4 is a structural schematic diagram of the shield tunneling machine bracket of the present invention;
fig. 5 is a longitudinal sectional view of the shield tunneling machine bracket of the present invention;
fig. 6 to 7 are schematic diagrams of shield tunneling machine propulsion;
fig. 8 is a schematic illustration of carriage advancement.
In the figure: the shield tunneling machine comprises a shield tunneling machine bracket, a shield tunneling reaction frame, a lifting jack, a shield tunneling machine walking track, a triangular inclined strut support, a bracket sliding track, a propulsion oil cylinder, a sliding block and a hollowed-out slideway, and is characterized in that the shield tunneling machine bracket is 2, the shield tunneling reaction frame is 3, the lifting jack is 4, the shield tunneling machine walking track is 5, the triangular inclined strut support is 5-1, the bracket sliding track is 6.
Detailed Description
The present invention will be further explained with reference to the drawings and examples. Fig. 1 to 8 are drawings of the embodiment, which are drawn in a simplified manner and are only used for clearly and concisely illustrating the purpose of the embodiment of the present invention. The following detailed description of the embodiments of the present invention is presented in the drawings and is not intended to limit the scope of the invention as claimed. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The integral station-crossing device of the shield tunneling machine provided by the embodiment comprises a shield tunneling machine bracket 1, a shield reaction frame 2 fixedly installed at the tail end of the shield tunneling machine bracket 1 and a lifting jack 3 fixedly installed at the bottom of a shield tunneling machine 4, as shown in fig. 1 to 3. The shield machine bracket 1 is a square frame structure formed by welding and combining section steel, channel steel and I-shaped steel as shown in fig. 4 and 5, the total length of the shield machine bracket 1 is 14.25 meters, the total width of the shield machine bracket 1 is 4.5 meters, the main structure of the shield machine bracket 1 is formed by connecting and combining H250 section steel and 25a I-shaped steel (including diagonal bracing type 25a I-shaped steel), the left side and the right side of the bracket are respectively welded with 250 channel steel with the length similar to the total length of the bracket, and the integral structure of the bracket is reinforced. The method comprises the following steps of respectively connecting 25a I-beams with the length equivalent to the length of a bracket at the positions 1.36 meters away from the two sides of the central line (the driving direction of the shield machine) of the bracket, enabling the direction of the 25a I-beams to be consistent with the driving direction of the shield machine, paving steel plates with the length of 1425 cm, the width of 58.5 cm and the height of 2 cm on the 25a I-beams with the driving direction of the shield machine, paving triangular inclined supports with the length identical to the length and the direction of the 25a I-beams at the bottom on the steel plates, welding right-angled triangular rib plates with the right-angle sides of 40 cm multiplied by 11.8 cm in the triangular inclined supports, welding the right-angled triangular rib plates in the triangular inclined supports in grooves, and welding rib plates with the shape at intervals of 1 meter to. The triangular inclined support is formed by vertically welding two steel plates, wherein one steel plate is 1425 cm long, 40 cm wide and 2 cm high; the other steel plate had a length of 1425 cm, a width of 11.8 cm and a height of 2 cm. Two rows of 43kg/m steel rails with the length of 14.25 meters are installed at the upper part of each side triangular inclined strut support 5-1, the two rows of steel rails are placed on the upper part of the triangular inclined strut support in parallel to form a shield machine walking track 5, the two rows of steel rails are welded on each triangular inclined strut support 5-1, and a plurality of reinforcing rib plates are welded between the two rows of steel rails and on the side faces of the steel rails. The distance between the bottom edges of the two rows of steel rails on each side and the edge of the triangular inclined supporting plate on the corresponding side is 7.3 cm, the distance between the bottoms of the two rows of steel rails is 2.6 cm, and the distance between the heads of the steel rails is 7 cm. And processing steel rails by using a 2 cm thick steel plate between the two rows of rails, and processing one steel rail at intervals of 1 meter. The size of the support in the steel rail is processed according to the size of a gap between the two rows of rails, and then the support is welded on the steel rail and the triangular inclined supports. The steel rail side support is also processed according to the size of the steel rail, is convenient for welding the steel rail and a 2 cm-thick steel plate on the triangular inclined supporting plate, is consistent with the support in the steel rail in the installation form, and is respectively provided with 1 block at the outer side of the steel rail at intervals of 1 meter. Two rows of parallel 18a I-beams are respectively installed at a position 1-2 cm away from the outer side of a steel plate at the bottom of the triangular inclined strut support 5-1 to form a bracket sliding track 6, the height of the bracket sliding track 6 is greater than that of a shield machine walking track 5, the length of each row of I-beams is 14.25 meters, the distance between the two rows of I-beams at each side is 41-51 cm, the 18a I-beams are welded on the bracket in a manner of being parallel to the triangular inclined strut support 5-1, the actual distance is determined according to the size of a 400-ton jack welded on the shield machine, and the space of up-and-down stretching of a rodless cavity of the 400-ton jack is just met.
The integral station-crossing device of the shield machine provided by the embodiment is characterized in that two square supports are respectively welded at the positions, corresponding to the bracket sliding rails 6, of the two sides of the bottom of the shield body of the shield machine, a lifting jack 3 of 400 tons is fixedly installed on each square support, and the size of each square support is consistent with the size of a gap between two parallel 18a I-beams (when the square supports move back and forth along with the shield machine, the square supports can just slide between the gaps between the 18a I-beams). The left side and the right side of the lifting jack 3 or the square support are welded with sliding blocks 8, the sliding blocks 8 can be walking wheels, the walking wheels are perpendicular to the traveling direction of the shield tunneling machine, the welding positions of the walking wheels are 3 cm away from the upper edge of the 18a I-steel, when the lifting jack 3 is lifted, the shield tunneling machine 4 can be lifted upwards by about 3 cm, so that the shield tunneling machine is separated from the traveling track 5 of the shield tunneling machine, when the sliding blocks 8 rise to the upper edge of the 18a I-steel, the sliding blocks are blocked by the upper edge of the 18a I-steel, and at the moment, the lifting jack 3 extends downwards again, so that the.
The embodiment provides a whole station device of shield structure machine, its shield structure reaction frame 2 is square supporting seat, welds the afterbody at shield structure machine bracket 1, and the position of installation can support when extending for shield structure machine thrust cylinder, can drive the bracket when the hydro-cylinder contracts and retract. The whole diameter of the shield machine 4 is 8.8 meters, the whole weight of the shield machine is 900 tons, each thrust of the thrust cylinders 7 of the shield machine is 200 tons, the telescopic stroke of a single group of cylinders is 2 meters, two groups of thrust cylinders 7 are adopted for propulsion, each group is provided with two thrust cylinders with the thrust larger than 200 tons, each group of thrust cylinders can independently use one reaction frame 2 or share one reaction frame 2, the distance between two transverse support rods of a bracket 1 is larger than 2m, and a hollow slide 9 is formed in a gap between two adjacent supports corresponding to the sliding area of a lifting jack 3. The propulsion oil cylinder 7 and the lifting jack 3 in implementation are both connected with a hydraulic system and are uniformly controlled by the hydraulic system, the shield machine 4 horizontally advances along the shield machine bracket 1 in the jacking process of the propulsion oil cylinder 7, when the shield machine 4 is vertically and upwards jacked by the lifting jack 3, the bottom end of the lifting jack 3 can be placed on the ground from a gap between two adjacent supports to lift the shield machine bracket 1 upwards, and in the recovery process of the propulsion oil cylinder 7, the shield machine bracket 1 horizontally moves towards the advancing direction of the shield machine 4 along the gap.
When the utility model is used for station crossing, as shown in figure 1, a shield machine 4 is arranged on a shield machine walking track 5 of a shield machine bracket 1, the tail end of the shield machine walking track is connected with a shield reaction frame 2 through a thrust cylinder 7, and a lifting jack 3 at the bottom is correspondingly embedded into a bracket sliding track 6 through sliders 8 at two sides; before the propulsion, the propulsion oil cylinder 7 and the lifting jack 3 are both connected with a hydraulic system and are uniformly controlled by the hydraulic system. In the pushing process of the thrust cylinder 7, as shown in fig. 6, the shield machine 4 horizontally advances along the square underframe 1, the lifting jack 3 at the bottom of the shield machine slides along the bracket sliding track 6, in the pushing process, the piston end of the lifting jack 3 is not contacted with the bottom surface as much as possible, the shield machine can normally advance along the square underframe 1, after the thrust cylinder 7 is completely pushed out, the shield machine 4 stops advancing, at the moment, the lifting jack 3 starts to work, the piston end of the lifting jack starts to extend out, after the piston end extends out and is contacted with the ground, the shield machine 4 starts to be lifted upwards to separate from the shield machine walking track 5, after the shield machine 4 is lifted for a certain distance, the sliding blocks 8 at two sides of the lifting jack 3 are blocked by the baffle at the upper part of the bracket sliding track 6, at the moment, as shown in fig. 7, the lifting jack 3 lifts the bracket 1 of the shield machine upwards to separate from the, as shown in fig. 8, in the recovery process, the shield machine 4 is kept in place, the shield machine bracket 1 is pushed forward under the action of the reaction force, the process is repeated, and the shield machine can pass through the station by utilizing the bracket of the shield machine and the thrust cylinder without additionally arranging the bracket and the thrust cylinder.
The utility model discloses not only reduced the whole work load that crosses the station of shield structure machine, reduced the quantity of the required construction material that crosses the station, reduced the construction cost that crosses the station, still guaranteed the synchronism and the stability that the shield body removed, avoided the upset of shield body, realized that the heavy shield of major diameter constructs the low cost of machine and crosses the station.
The above description is only one embodiment of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. The utility model provides a shield constructs whole station device that passes of machine which characterized in that: the station crossing device comprises a shield tunneling machine bracket (1), a shield reaction frame (2) fixedly arranged at the tail end of the shield tunneling machine bracket (1) and a lifting jack (3) fixedly arranged at the bottom of a shield tunneling machine (4), wherein a shield tunneling machine walking track (5) and a bracket sliding track (6) are distributed on the shield tunneling machine bracket (1), the height of the bracket sliding track (6) is greater than that of the shield tunneling machine walking track (5), the shield tunneling machine (4) is arranged on the shield tunneling machine walking track (5) of the shield tunneling machine bracket (1), the tail end of the shield tunneling machine walking track is connected with the shield reaction frame (2) through a propulsion oil cylinder (7), and the lifting jack (3) at the bottom of the shield tunneling machine (4) is correspondingly embedded into the bracket sliding track (6) through sliding blocks (8) on two sides; in the pushing process of the pushing oil cylinder (7), the shield machine (4) horizontally advances along a shield machine bracket (1), and a lifting jack (3) at the bottom of the shield machine horizontally advances along a bracket sliding track (6); the shield constructs the regional fretwork slide (9) that forms that slides of track (6) and shield structure machine bracket (1) corresponding lifting jack (3), when lifting jack (3) make progress jacking shield structure machine (4) perpendicularly, shield structure machine (4) upwards break away from shield structure machine walking track (5), and lifting jack (3) bottom pass fretwork slide (9) arrange ground in with shield structure machine bracket (1) lifting that makes progress, and at propulsion cylinder (7) recovery in-process, shield structure machine bracket (1) is along fretwork slide (9) to shield structure machine (4) direction of advance horizontal migration.
2. The integral station-crossing device of the shield tunneling machine according to claim 1, characterized in that: the shield constructs quick-witted bracket (1) and is square frame construction, is formed by shaped steel, channel-section steel and I-steel welding combination, and the interval between its shield constructs quick-witted moving direction's adjacent two spinal branchs and is equal to or is greater than the distance that thrust cylinder (7) promoted shield and constructs quick-witted (4) and go forward, and corresponds the clearance formation fretwork slide (9) between the regional two adjacent supports of lifting jack (3) region of sliding.
3. The integral station-crossing device of the shield tunneling machine according to claim 1 or 2, characterized in that: the bottom that bracket slided track (6) is become by the relative I-steel that sets up of two root slots or channel-section steel is the spout of fretwork form, the lower part of slider (8) embedding spout of lifting jack (3) both sides, and the height that highly is less than the spout of slider (8) to when lifting jack (3) make progress jacking shield structure machine (4) perpendicularly, slider (8) slide the perpendicular rebound of spout of track (6) along the bracket, when it removes to the spout top, through spout overhead gage card owner.
4. The integral station-crossing device of the shield tunneling machine according to claim 1 or 2, characterized in that: the shield tunneling machine is characterized in that at least two pairs of lifting jacks (3) are symmetrically arranged on two sides of the bottom of the shield tunneling machine (4), a rodless cavity end of each lifting jack (3) is directly fixed on the shield tunneling machine (4), or a square support is welded at a position where the shield tunneling machine (4) is correspondingly provided with the lifting jacks (3), and the rodless cavity ends of the lifting jacks (3) are fixed on the square support; the two bracket sliding tracks (6) are symmetrically arranged on the outer side of the shield tunneling machine walking track (5).
5. The integral station-crossing device of the shield tunneling machine according to claim 1 or 2, characterized in that: the shield machine walking track (5) is laid on the triangular inclined strut supports (5-1), the inclined planes of the two triangular inclined strut supports (5-1) are arranged oppositely, a plurality of reinforcing rib plates are welded in the triangular inclined strut supports (5-1), and the distance between the reinforcing rib plates is 0.8-1 m; two rows of steel rails are welded on each triangular inclined strut support (5-1), and a plurality of reinforcing rib plates are welded between the two rows of steel rails and on the side faces of the steel rails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921638355.8U CN210660096U (en) | 2019-09-27 | 2019-09-27 | Integral station-crossing device of shield tunneling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921638355.8U CN210660096U (en) | 2019-09-27 | 2019-09-27 | Integral station-crossing device of shield tunneling machine |
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| CN210660096U true CN210660096U (en) | 2020-06-02 |
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| CN201921638355.8U Active CN210660096U (en) | 2019-09-27 | 2019-09-27 | Integral station-crossing device of shield tunneling machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431590A (en) * | 2021-07-19 | 2021-09-24 | 上海市城市建设设计研究总院（集团）有限公司 | Base structure for integral station crossing of shield and frame and station crossing method |
| CN114809285A (en) * | 2022-03-18 | 2022-07-29 | 鞍钢重型机械有限责任公司 | Assembled floor iron and using method |
-
2019
- 2019-09-27 CN CN201921638355.8U patent/CN210660096U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431590A (en) * | 2021-07-19 | 2021-09-24 | 上海市城市建设设计研究总院（集团）有限公司 | Base structure for integral station crossing of shield and frame and station crossing method |
| CN114809285A (en) * | 2022-03-18 | 2022-07-29 | 鞍钢重型机械有限责任公司 | Assembled floor iron and using method |
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