CN213175641U - Steel rail method shield station-crossing mechanism - Google Patents
Steel rail method shield station-crossing mechanism Download PDFInfo
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- CN213175641U CN213175641U CN202021680057.8U CN202021680057U CN213175641U CN 213175641 U CN213175641 U CN 213175641U CN 202021680057 U CN202021680057 U CN 202021680057U CN 213175641 U CN213175641 U CN 213175641U
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Abstract
The utility model discloses a rail method shield constructs mechanism of passing a station for remove the shield, rail method shield construct the mechanism of passing a station include: the shield bracket comprises a base and a first sliding rail, wherein two sides of the bottom of the base are provided with abdicating grooves, and the top surface of each abdicating groove is provided with a first inclined surface; the two moving rails are respectively arranged in the abdicating groove, the upper end surface of each moving rail is provided with a second inclined surface, and the second inclined surfaces are connected with the first inclined surfaces in a sliding manner; the driving source, the driving source can drive two it is close to each other to remove the track, removes the shield earlier and constructs the bracket, moves the track after, so relapse, removes the assigned position with the shield gradually, the utility model provides a technical scheme has avoided dismantling the shield structure machine and has hoisted the station-crossing, only adopts the bracket just can realize the jacking and the removal of shield structure machine, need not to weld jacking support, process simple, convenient operation on the shield body of shield structure machine.
Description
Technical Field
The utility model relates to a shield constructs technical field that passes a station, concretely relates to rail method shield constructs mechanism that passes a station.
Background
At present, the development of rail transit is different day by day, and the characteristics of safety, high efficiency, stable forming quality and the like in the construction of subway tunnels by a shield method are widely applied to the construction of urban rail transit. The subway stations are densely distributed, so that the tunnel interval between stations is shortened, and the shield machine sometimes needs to pass the station to carry out secondary starting after finishing tunnel construction. The common station-crossing method is to disassemble the shield, lift the shield out, lower the shield into the well, assemble, debug and start again, so that the cost is high and the lifting risk is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technique not enough, provide a rail method shield constructs mechanism of passing a station, avoided constructing the quick-witted disintegration hoist and mount of shield and passed a station, only adopt the bracket just can realize the jacking and the removal of shield structure machine, need not to weld the jacking support on the shield body of shield structure machine, and process is simple, convenient operation.
In order to achieve the technical purpose, the technical scheme of the utility model a rail method shield constructs mechanism of passing a station for remove the shield, rail method shield construct the mechanism of passing a station include:
the shield bracket comprises a base and at least two first sliding rails, the two first sliding rails are fixedly connected with the upper end surface of the base along the length direction of the base, the two first sliding rails are supported at the bottom of the shield, the two first sliding rails are respectively contacted with two different buses of the shield, the projection of the axis of the shield on the upper end surface of the base is positioned between the two first sliding rails, the two sides of the bottom of the base are both provided with abdicating grooves, and the top surface of each abdicating groove is provided with a first inclined surface, the first inclined surfaces on the two abdicating grooves are arranged in a mirror image way relative to the first plane, the two first inclined planes which are arranged in a mirror image mode are arranged in a deviating mode, the first plane is perpendicular to the upper end face of the base, and the distance between the two first inclined planes is gradually reduced from top to bottom;
the two moving rails are respectively arranged in the abdicating groove, the upper end surface of each moving rail is provided with a second inclined surface which is in sliding connection with the first inclined surface, the second inclined surfaces on the two moving rails are arranged in a mirror image mode relative to the first plane, the distance between the two second inclined surfaces is gradually reduced from top to bottom, and the two second inclined surfaces which are arranged in a mirror image mode are arranged in a relative mode;
and the driving source can drive the two moving rails to approach each other and jack up the base upwards.
Compared with the prior art, the beneficial effects of the utility model include: when the steel rail method shield station-crossing mechanism is used, the shield bracket is used for bearing a shield, the shield bracket is in sliding connection with the moving rails, in order to avoid ground resistance when the shield bracket slides, the driving source can drive the two moving rails to mutually approach and jack up the base, so that the shield bracket is prevented from receiving ground friction resistance in the sliding process, at the moment, the shield bracket is only in sliding connection with the moving rails, specifically, at the moment, the first inclined plane is in sliding connection with the second inclined plane, in the actual operation, lubricating oil is required to be coated on the second inclined plane to reduce the sliding friction force, then the shield bracket and the shield are slid to the front ends of the moving rails together, then the driving source is reversely started, the two moving rails are mutually far away from each other along the width direction of the shield bracket, at the moment, the shield bracket is put down, and the bottom of the shield bracket is in contact, the staff will follow afterwards two removal tracks along the length direction of shield structure bracket takes out forward for the shield structure bracket gets back to removal orbital tail end once more, removes shield structure bracket earlier, moves the removal track, so relapse, removes the assigned position with the shield structure gradually, the utility model provides a technical scheme has avoided breaking up the shield structure machine and has hoisted the station-crossing, only adopts the bracket just can realize the jacking and the removal of shield structure machine, need not to weld the jacking support on the shield body of shield structure machine, and the process is simple, convenient operation.
Drawings
FIG. 1 is a schematic front structural view of an embodiment of a steel rail shield station-crossing mechanism for transporting a shield according to the present invention;
fig. 2 is a schematic side structure diagram of an embodiment of a steel rail shield station-crossing mechanism provided by the present invention;
fig. 3 is a schematic front structural view of the moving rail and the driving source provided by the present invention;
fig. 4 is a schematic top view of the moving rail and the driving source according to the present invention;
fig. 5 is a schematic front structural view of the shield bracket provided by the present invention;
fig. 6 is a schematic top view of the shield bracket according to the present invention;
fig. 7 is a schematic diagram of the moving process of the steel rail shield station-crossing mechanism provided by the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 7, in this embodiment, a steel-rail shield station-crossing mechanism is provided for moving a shield, and the steel-rail shield station-crossing mechanism includes: shield bracket 1, moving track 2, driving source 3.
The shield bracket 1 comprises a base 11 and two first slide rails 12, the number of the first slide rails 13 is at least two, the length direction of the base 11 and the upper end face of the base 11 are fixedly connected, the number of the first slide rails 12 is two, the bottom of the shield a is supported by the first slide rails 12, the first slide rails 12 are in bus contact with two different portions of the shield a respectively, the projection of the axis of the shield a on the upper end face of the base 11 is positioned between the two first slide rails 12, two sides of the bottom of the base 11 are provided with abdicating grooves 11a, each top face of the abdicating groove 11a is provided with a first inclined plane b1, the two first inclined planes b1 on the abdicating grooves 11a are arranged in a mirror image mode relative to a first plane, and the two first inclined planes b1 arranged in a mirror image mode deviate from and are arranged, the first plane is perpendicular to the upper end face of the base 11, the distance between the two first inclined planes b1 is gradually reduced from top to bottom, and specifically, the axis of the shield a is on the first plane.
Remove track 2 and be two place respectively in remove track 2 the groove of stepping down 11a, and every remove track 2's up end all is provided with second inclined plane b2, second inclined plane b2 with first inclined plane b1 sliding connection, two remove on the track 2 second inclined plane b2 is relative first plane is the mirror image and arranges, two second inclined plane b 2's interval from top to bottom reduces gradually, and two are the mirror image and arrange second inclined plane b2 relative arrangement, the driving source can drive two remove track 2 and be close to each other, and will base 11 jack-up upwards, in this embodiment, shield a's axis along shield bracket 1's length direction arranges, driving source 3 drives the moving direction that removes slide rail 2 does shield bracket 1's width direction.
When the steel rail method shield station-crossing mechanism is used, the shield bracket 1 is used for bearing a shield a, the shield bracket 1 is in sliding connection with the moving rails 2, in order to avoid ground resistance received when the shield bracket 1 slides, the driving source 3 can drive the two moving rails 2 to approach each other and jack up the base 11 upwards, so as to avoid the shield bracket 1 from receiving ground friction resistance during sliding, at the moment, the shield bracket 1 is only in sliding connection with the moving rails 2, specifically, at the moment, the first inclined plane b1 is in sliding connection with the second inclined plane b2, during actual operation, lubricating oil needs to be coated on the second inclined plane b2 to reduce sliding friction force, then the shield bracket 1 and the shield a slide to the front ends of the moving rails 2 together, then the driving source 3 is started reversely, and the two moving rails 2 are far away from each other along the width direction of the shield bracket 1, shield structure bracket 1 is put down this moment, shield structure bracket 1's bottom and ground contact, the staff afterwards with two removal track 2 along shield structure bracket 1's length direction takes out forward for shield structure bracket 1 gets back to removal track 2's tail end once more, removes shield structure bracket 1 earlier, back removal track 2, so relapse, removes shield structure a to the assigned position gradually, the utility model provides a technical scheme has banned the shield structure hoisting technique among the prior art, has avoided large-scale part (shield structure) to have the technical problem of great hoist and mount risk, for the convenience of reader understanding this scheme, figure 7 has from top to bottom demonstrated: and moving the shield bracket 1 first and moving the moving track 2 later.
Furthermore, rib plates 11b arranged in a mirror image manner are fixed on two sides of the upper end surface of the base 11, third inclined surfaces 11c arranged in a mirror image manner are arranged on the two rib plates 11b arranged in a mirror image manner, the distance between the two third inclined surfaces 11c arranged in a mirror image manner is gradually reduced from top to bottom, the two third inclined surfaces 11c arranged in a mirror image manner are arranged oppositely, the first slide rails 12 are fixed on the rib plates 11b, at least two first slide rails 12 are fixed on each third inclined surface 11c, and any two first slide rails 12 fixed on the same third inclined surface 11c have a height difference, in this embodiment, two first slide rails 12 are arranged on each third inclined surface 11 c.
A plurality of cantilevers 4 are arranged on both sides of the base 11, the top surface of the abdicating groove 11a is the lower end surface of the cantilever 4, the shield bracket 1 further comprises a second slide rail 14, at least one second slide rail 14 is arranged on the cantilever 4 on each side, the first inclined surface b1 is a side surface of the second slide rail 14, the moving rail 2 includes a rail beam 21 and a third slide rail 22, each rail beam 21 is provided with at least one third slide rail 22, the second inclined plane b2 is a side surface of the third slide rail 11c, in this embodiment, each of the rail beams 21 is provided with two third slide rails 22, each of the abdicating grooves 11a is provided with two second slide rails 14, obviously, each of the rail beams 21 can be provided with more than two third slide rails 22, and each of the abdicating grooves 11a can be provided with more than two second slide rails 14.
In this embodiment, the driving source 3 further includes an oil cylinder 31, a first supporting seat 32, and a second supporting seat 33, one end of the first supporting seat 32 is hinged to the telescopic end of the oil cylinder 31, one end of the second supporting seat 33 is hinged to the fixed end of the oil cylinder 31, the other end of the first supporting seat 32 abuts against the sidewall of the step c, the other end of the second supporting seat 33 is fixedly connected to the sidewall of the rail beam 21, the oil cylinder 31 is not fixed to the ground, when the oil cylinder 31 extends, the oil cylinder 31 pushes the rail beam 21 along the width direction of the shield bracket 1 by the reverse acting force of the sidewall of the step c, obviously, the driving source 3 in this embodiment is provided with a plurality of driving sources 3, the deviating sides of the two rail beams 21 are provided with a plurality of driving sources 3, after the driving source 3 contracts, the shield bracket 1 is under the action of gravity, the two rail beams 21 are pushed apart in the width direction of the shield carrier 1, at which time the rail beams 21 can be pulled forward, and since the drive source 3 is not fixed to the ground, the drive source 3 can move forward along with the rail beams 21 in preparation for the next movement of the rail beams 21 in the width direction of the shield carrier 1.
Further, anti-overturn brackets 15 are fixed to two sides of the base 11, a fourth slide rail 16 is fixed to each anti-overturn bracket 15, the fourth slide rail 16 is parallel to the first slide rail 12, and the fourth slide rail 16 is used for preventing the shield a from overturning.
The working principle is as follows:
1. preparation in the early stage of receiving:
when the tunnel is penetrated, the shield bracket 1 is mounted at a predetermined position. The shield bracket 1 is supported on a station bottom plate by adopting section steel so as to provide the forward counter force of the shield machine. Lubricating grease is coated on the first sliding rail 12, so that the friction force between the shield body and the bracket is reduced. The first slide rail 12 is extended to the portal steel ring (similar to a cantilever structure), and the longitudinal slope of the extended part of the first slide rail and the original rail is not more than 35 per thousand.
2. The trolley is separated from the rear support:
after the shield a completely falls on the shield bracket 1, the trolley can be separated from the rear support, all the oil cylinders are required to be recovered before separation, after the stop position is confirmed, the grouting pipeline is cleaned, the power supply is cut off, and the oil way valve is closed. After the machine is stopped, the connecting bridge is supported by the flat car, and when a connecting bridge circuit is separated, separation marks are made, and water, steam, oil, electric lines and joints are cleaned and packaged.
3. Technological process for steel rail method translation station-passing
When the steel rail method shield station-crossing mechanism is used, the shield bracket 1 is used for bearing a shield a, the shield bracket 1 is in sliding connection with the moving rails 2, in order to avoid ground resistance received when the shield bracket 1 slides, the driving source 3 can drive the two moving rails 2 to approach each other and jack up the base 11 upwards, so as to avoid the shield bracket 1 from receiving ground friction resistance during sliding, at the moment, the shield bracket 1 is only in sliding connection with the moving rails 2, specifically, at the moment, the first inclined plane b1 is in sliding connection with the second inclined plane b2, during actual operation, lubricating oil needs to be coated on the second inclined plane b2 to reduce sliding friction force, then the shield bracket 1 and the shield a slide to the front ends of the moving rails 2 together, then the driving source 3 is started reversely, and the two moving rails 2 are far away from each other along the width direction of the shield bracket 1, shield structure bracket 1 is put down this moment, shield structure bracket 1's bottom and ground contact, the staff afterwards with two removal track 2 along shield structure bracket 1's length direction takes out forward for shield structure bracket 1 gets back to the tail end of removal track 2 once more, removes shield structure bracket 1 earlier, back removal track 2, so relapse, removes shield structure a to the assigned position gradually, the utility model provides a technical scheme has banned the shield structure hoisting technique among the prior art, has avoided large-scale part (shield structure) to have the technical problem of great hoist and mount risk, wherein, shield structure bracket 1, removal track 2's edge the shield structure shield bracket's length direction's motion all can adopt outside hydro-cylinder to promote, for example: can be pushed by a jack.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. A steel rail method shield constructs mechanism of passing a station for moving the shield, its characterized in that, the shield of steel rail method construct the mechanism of passing a station and include:
the shield bracket comprises a base and at least two first sliding rails, the two first sliding rails are fixedly connected with the upper end surface of the base along the length direction of the base, the two first sliding rails are supported at the bottom of the shield, the two first sliding rails are respectively contacted with two different buses of the shield, the projection of the axis of the shield on the upper end surface of the base is positioned between the two first sliding rails, the two sides of the bottom of the base are both provided with abdicating grooves, and the top surface of each abdicating groove is provided with a first inclined surface, the first inclined surfaces on the two abdicating grooves are arranged in a mirror image way relative to the first plane, the two first inclined planes which are arranged in a mirror image mode are arranged in a deviating mode, the first plane is perpendicular to the upper end face of the base, and the distance between the two first inclined planes is gradually reduced from top to bottom;
the two moving rails are respectively arranged in the abdicating groove, the upper end surface of each moving rail is provided with a second inclined surface which is in sliding connection with the first inclined surface, the second inclined surfaces on the two moving rails are arranged in a mirror image mode relative to the first plane, the distance between the two second inclined surfaces is gradually reduced from top to bottom, and the two second inclined surfaces which are arranged in a mirror image mode are arranged in a relative mode;
and the driving source can drive the two moving rails to approach each other and jack up the base upwards.
2. The steel rail shield station-crossing mechanism according to claim 1, wherein rib plates arranged in a mirror image manner are fixed on both sides of the upper end surface of the base, third inclined planes arranged in a mirror image manner are arranged on two rib plates arranged in a mirror image manner, the distance between the two third inclined planes arranged in a mirror image manner is gradually reduced from top to bottom, the two third inclined planes arranged in a mirror image manner are oppositely arranged, and the first slide rail is fixed on the rib plates.
3. The mechanism of claim 2, wherein at least two first sliding rails are fixed on each third inclined plane, and any two first sliding rails fixed on the same third inclined plane have a height difference.
4. The steel rail method shield station-crossing mechanism according to claim 1, wherein a plurality of cantilevers are arranged on two sides of the base, and the top surface of the abdicating groove is the lower end surface of each cantilever.
5. The mechanism of claim 4, wherein the shield carrier further comprises a second slide rail, at least one of the second slide rails is disposed on the cantilever on each side, and the first inclined surface is a side surface of the second slide rail.
6. The mechanism of claim 1, wherein the movable track comprises a track beam and third sliding rails, each track beam is provided with at least one third sliding rail, and the second inclined surface is a side surface of the third sliding rail.
7. The mechanism of claim 1, further comprising a driving source including an oil cylinder, a first supporting seat and a second supporting seat, wherein one end of the first supporting seat is hinged to the telescopic end of the oil cylinder, and one end of the second supporting seat is hinged to the fixed end of the oil cylinder.
8. The steel rail method shield station-crossing mechanism according to claim 1, wherein overturn-preventing brackets are further fixed to two sides of the base, and a fourth slide rail is fixed to each overturn-preventing bracket and is parallel to the first slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021680057.8U CN213175641U (en) | 2020-08-12 | 2020-08-12 | Steel rail method shield station-crossing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021680057.8U CN213175641U (en) | 2020-08-12 | 2020-08-12 | Steel rail method shield station-crossing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213175641U true CN213175641U (en) | 2021-05-11 |
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ID=75800336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021680057.8U Active CN213175641U (en) | 2020-08-12 | 2020-08-12 | Steel rail method shield station-crossing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213175641U (en) |
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2020
- 2020-08-12 CN CN202021680057.8U patent/CN213175641U/en active Active
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