CN212359765U - Shield constructs whole translation of machine and steel sleeve and demolishs device - Google Patents
Shield constructs whole translation of machine and steel sleeve and demolishs device Download PDFInfo
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- CN212359765U CN212359765U CN202020708597.6U CN202020708597U CN212359765U CN 212359765 U CN212359765 U CN 212359765U CN 202020708597 U CN202020708597 U CN 202020708597U CN 212359765 U CN212359765 U CN 212359765U
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Abstract
The utility model belongs to shield constructs quick-witted construction field, particularly, relate to a device is demolishd in whole translation of shield structure machine and steel sleeve, fixed surface lays pre-buried steel sheet on the structure bottom plate, install the steel sleeve on the pre-buried steel sheet, steel sleeve lower part base both sides set firmly radial rail respectively, push away steel sleeve lower part base radial translation to assigned position through hydraulic jack top, steel sleeve lower part base both ends set firmly horizontal rail, push away steel sleeve lower part base translation through hydraulic jack is until pushing away steel sleeve and shield structure machine top to hoist and mount the region. The beneficial effects of the utility model are that guarantee personnel's safety, the operation is simple convenient, improves the efficiency of construction.
Description
Technical Field
The utility model belongs to shield constructs quick-witted construction field particularly, relates to a shield constructs quick-witted and whole translation of steel sleeve and demolishs device.
Background
The shield machine works in an underground closed environment, the shield machine is pushed in a soil layer, the shield machine is supported by a shield shell and a segment to support surrounding rock soil, collapse in a tunnel is prevented, soil body excavation is carried out by a cutting device in the tunnel, the shield machine is transported out of a hole by an unearthing machine, is jacked in a pressurizing mode at the rear part by a jack, and the precast concrete segments are spliced to form a tunnel structure. The shield constructs the machine and need carry out the ground reinforcement when receiving, can't carry out the ground reinforcement because of place and geology reason, adopts the steel sleeve to receive more, is limited to receiving well top and does not have hoist and mount hole and space narrowly, receives after accomplishing steel sleeve and shield construct the machine and need utilize the endless chain calabash to decompose, demolish translation to adjacent circuit hole department and hoist, and the efficiency of construction is low, the safe risk is high.
For example, chinese patent CN201711198690.6 discloses a horizontal moving method of a shield machine in a working well; the method is characterized in that: the method comprises the following steps of 1, laying steel plates; step 2, installing a pushing base; step 3, separating the shield tunneling machine from the auxiliary trolley; moving the shield body of the shield tunneling machine forward by using a shield tunneling machine jack until the shield body is completely positioned on the pushing base; and 4, translating the shield tunneling machine, and opening the pushing jack to integrally move the pushing base bearing the shield tunneling machine and reach a specified position. The construction method can be applied to shield construction engineering, and particularly aims at shield machine initiation and shield machine receiving construction with only one lifting hole or lifting hole in different positions. The problem that the shield machine double-line construction is limited by the positions of a receiving well and a lifting hole and needs to be moved is effectively solved.
For another example, chinese patent CN201811258119.3 discloses a construction method and structure for a shield to empty and push through an underground tunnel and start again, wherein a concrete guide platform with a hole is poured at the bottom of the underground tunnel, a track is laid on the guide platform, a steel corbel is installed in the hole, and the combined action of the steel corbel and a jack is used to provide a reaction force for the shield to empty and push step by step, so as to realize the efficient empty and push of the shield through the underground tunnel; in addition, the embedded steel plate is lined in the secondary excavated tunnel, the embedded steel plate, the profile steel counter-force support and the counter-force rigid ring are welded, so that the counter-force support is provided for secondary launching of the shield, and the shield can be smoothly and secondarily launched in the underground excavated tunnel. The whole construction amount of the technology is large, and the time is long. Therefore, the problems that in a closed environment, the shield tunneling machine and the steel sleeve integrally translate to the position of an adjacent line hole, the construction efficiency and the safety are improved, and the like are urgently needed to be solved.
Disclosure of Invention
In order to solve the problems, the utility model provides a shield machine and steel sleeve integral translation dismounting device;
the device is demolishd in whole translation of shield structure machine and steel sleeve, includes: the steel shield construction method comprises the following steps of (1) a shield tunneling machine, a steel sleeve, a structural bottom plate, a pre-buried steel plate, a hydraulic jack, a portal structural wall, a structural side wall, radial steel rails, transverse steel rails and a hoisting area; the upper surface of the structural bottom plate is fixedly paved with an embedded steel plate, a steel sleeve is arranged on the embedded steel plate, the shield tunneling machine is placed in the steel sleeve, two sides of a base at the lower part of the steel sleeve are respectively fixedly provided with radial steel rails, the steel sleeve is radially translated through a hydraulic jack and a portal structural wall, two ends of the base at the lower part of the steel sleeve are fixedly provided with transverse steel rails, the steel sleeve is transversely translated to a hoisting area through the hydraulic jack and a structural side wall.
Furthermore, radial steel rails are fixedly arranged on the two radial sides of the base at the lower part of the steel sleeve on the upper surface of the embedded steel plate respectively.
Furthermore, at least two hydraulic jacks are arranged between the portal structure wall and the base at the lower part of the steel sleeve, and the contact surface of each hydraulic jack and the portal structure wall is supported by a steel plate pad.
Furthermore, two ends of the base at the lower part of the steel sleeve are respectively and fixedly provided with a transverse steel rail on the upper surface of the embedded steel plate.
Furthermore, the embedded steel plates are in standard sizes of 9m multiplied by 2m multiplied by 0.03m, the embedded steel plates are arranged in a staggered joint welding mode, and the welding seam point is located at the center of 9m multiplied by 2 m.
Furthermore, gas cutting through holes are formed in the positions, where the distance between the embedded steel plates is 2m multiplied by 1.8m, of the embedded steel plates, threaded steel bars with the diameter of phi 25 are arranged in the through holes, the threaded steel bars are embedded into the structural bottom plate for 250mm, and the threaded steel bars are welded on the embedded steel plates and are polished to be flat.
Furthermore, the clearance between the base at the lower part of the steel sleeve and the radial steel rail is at least 30-70 mm.
Further, a hydraulic jack is arranged at the edge of the base at the lower part of the steel sleeve by 400 mm.
Furthermore, the clearance between the base at the lower part of the steel sleeve and the transverse steel rail is at least 30-70 mm.
Further, the lengths of the radial steel rail and the transverse steel rail on the upper surface of the embedded steel plate are larger than the translation distance.
Further, the distance between the base at the lower part of the steel sleeve and the structural wall columns on the two sides of the wall body is larger than 300 mm.
Furthermore, the center of the steel sleeve coincides with the center of the tunnel portal, and the error is less than 20 mm.
Furthermore, the hydraulic jack is controlled by a single pump, the pressure cylinders respectively control the force application balance of the hydraulic jack through hydraulic balance valves, and the hydraulic pump station is provided with a pressure regulating valve to control the pushing pressure to be stable.
Compared with the prior art, the utility model provides a shield constructs quick-witted and the whole translation of steel sleeve demolishs device beneficial effect as follows:
1. shield constructs quick-witted and the whole translation of steel sleeve demolishs device, at no perpendicular intercommunication lifting hole region with steel sleeve and the quick whole translation of shield structure machine, disassemble, hoist and mount, this method shortens the time of demolishing the machine for the construction progress guarantees operation safety.
2. Shield constructs whole translation of machine and steel sleeve and demolishs the device, the input material is steel, but a lot of reuse to the steel sleeve not damaged.
3. Shield constructs quick-witted and the whole translation of steel sleeve and demolishs the device, shield constructs quick-witted translation thereupon in full containing mortar steel sleeve, and is little to shield structure machine disturbance.
4. Shield constructs whole translation of machine and steel sleeve and demolishs device, the device's successful research and application provide experience and reference foundation for design, the construction of similar engineering from now on.
Drawings
FIG. 1 is a radial translation overlooking structure diagram of the shield tunneling machine and steel sleeve integral translation dismantling device of the utility model;
FIG. 2 is a transverse translation overlooking structure diagram of the shield tunneling machine and steel sleeve integral translation dismantling device of the utility model;
fig. 3 is the utility model relates to a device transverse translation section structure picture is demolishd in whole translation of shield constructs machine and steel sleeve.
The labels in the figure are: 1, pre-burying a steel plate; 2-structural backing plate; 3-a steel sleeve; 4, a shield machine; 5-structural wall studs; 6-hoisting area; 7-hydraulic jack; 8-radial steel rails; 9-transverse steel rail: 10-steel corbel; 11-a portal structural wall; 12-structural sidewalls. 13-a portal.
Detailed Description
Example 1
As shown in fig. 1 to 3, the integral translation dismantling device for the shield tunneling machine and the steel sleeve comprises: the shield tunneling machine comprises a shield tunneling machine 4, a steel sleeve 3, an embedded steel plate 1, a hydraulic jack 7, a portal structure wall 11, a structure side wall 12, a radial steel rail 8 and a transverse steel rail 9; fixed surface lays pre-buried steel sheet 1 on the structure bottom plate 2, install steel sleeve 3 on the pre-buried steel sheet 1, shield structure machine 4 is placed in steel sleeve 3, radial rail 8 sets firmly respectively in 3 lower part bases (not shown) both sides of steel sleeve, steel sleeve 3 passes through hydraulic jack 7 and the radial translation of portal structure wall 11, set firmly horizontal rail 9 at 3 lower part bases both ends of steel sleeve, steel sleeve 3 passes through hydraulic jack 7 and the horizontal translation of structure side wall 12, steel sleeve 3 translation to hoist and mount region 6. Cleaning the area of a structural bottom plate 2, laying an embedded steel plate 1, monitoring the top elevation of the embedded steel plate 1 and the top elevation of the structural bottom plate 2 by using a Soujia total station, and ensuring the top elevation to be consistent; cleaning the upper surface of an embedded steel plate 1, polishing a welding seam part smoothly, smearing a butter layer on the surface for resistance reduction, installing a steel sleeve 3 on the embedded steel plate 1, enabling the center of the steel sleeve 3 to coincide with the center of a tunnel portal 13 and enabling the error to be less than 20mm, dragging a shield machine 4 by a trailer to enter the steel sleeve 3 to a shield tail to be separated from the tunnel portal 13, separating the connecting part of the steel sleeve 3 and the tunnel portal 13, dismantling a counter-force device, simultaneously separating the shield machine 4 from the trailer to enable the steel sleeve 3 and the shield machine 4 to be in an integral separation state, respectively fixedly arranging radial steel rails 8 on the upper surface of the embedded steel plate 1 at two radial sides of a base at the lower part of the steel sleeve 3, respectively arranging at least two hydraulic jacks 7 between a tunnel portal structure wall 11 and a base at the lower part of the steel sleeve 3, supporting the contact surface of the hydraulic jacks 7 and the tunnel portal structure wall 11 by a steel plate, smearing a butter layer on a translation area in a subsection manner, smearing a butter layer of 1m in a transverse manner each time, smearing a butter layer of 1m again when a steel sleeve 3 moves to the residual 0.2m, ensuring lubrication in the movement area, removing radial steel rails 8 on the upper surface of an embedded steel plate 1 after the integral radial translation of a shield machine 4 and the steel sleeve 3 is completed, cleaning and polishing the upper surface of the embedded steel plate 1, fixedly arranging transverse steel rails 9 on the upper surface of the embedded steel plate 1 at two ends of a base at the lower part of the steel sleeve 3 respectively, installing at least two hydraulic jacks 7 between a structure side wall 12 and a base at the lower part of the steel sleeve 3, adopting a steel plate pad support on the contact surface of the hydraulic jacks 7 and the structure side wall 12, smearing the butter layer of 1m in a subsection manner before the integral transverse translation of the shield machine 4 and the steel sleeve 3, smearing a butter layer of 1m in a transverse manner each time, smearing a butter layer of 1m, when the shield machine 4 and the steel sleeve 3 integrally translate transversely, the fixed pushing distance of the hydraulic jack 7 is released after reaching the stroke of the oil cylinder, the steel bracket 10 is welded on the upper surface of the embedded steel plate 1 at the rear part of the base of the hydraulic jack 7, the steel bracket 10 is utilized to provide counter force to push again, after the pushing of the hydraulic jack 7 reaches the stroke of the oil cylinder, the steel bracket 10 on the upper surface of the embedded steel plate 1 is cut, cleaned and polished to be flat, the steel bracket 10 is repeatedly welded on the upper surface of the embedded steel plate 1 at the rear part of the base of the hydraulic jack 7 until the steel sleeve 3 and the shield machine 4 integrally translate to the hoisting area 6.
Further, the embedded steel plate 1 adopts a standard size of 9m × 2m × 0.03m, the embedded steel plate 1 adopts a staggered welding arrangement, and a welding seam point is located at the center of 9m × 2 m.
Further, gas cutting through holes are formed in the positions, where the distance between the embedded steel plates 1 is 2m × 1.8m, of the embedded steel plates, threaded steel bars (not shown) with the diameter of phi 25 are arranged in the through holes, the threaded steel bars are embedded into the structural bottom plate for 250mm, and the threaded steel bars are welded to the embedded steel plates and are polished to be flat.
Furthermore, the clearance between the base at the lower part of the steel sleeve 3 and the radial steel rail 8 is at least 30-70 mm.
Further, a hydraulic jack 7 is arranged at 400mm of the edge of the base at the lower part of the steel sleeve 3.
Furthermore, the clearance between the base of the lower part 3 of the steel sleeve and the transverse steel rail 9 is at least 30-70 mm.
Further, the lengths of the radial steel rail 8 and the transverse steel rail 9 on the upper surface of the embedded steel plate 1 are larger than the translation distance.
Further, the distance between the base at the lower part of the steel sleeve 3 and the structural wall columns 5 at the two sides of the wall body is more than 300 mm.
Furthermore, the hydraulic jack 7 is controlled by a single pump, the pressure cylinders respectively control the force application balance of the hydraulic jack 7 through hydraulic balance valves, and the hydraulic pump station is provided with a pressure regulating valve to control the pushing pressure to be stable.
Example 2
In this embodiment, the hydraulic jack 7 has a cylinder stroke of 0.5m, and the lengths of prefabricated ejector rods (not shown) are 0.5m, 1m, 1.5m and 2m, the ejector rods are sequentially recycled in the translation process, the welding frequency of the steel corbels 10 is reduced, the force application balance of the hydraulic jack 7 is controlled through hydraulic balance valves, meanwhile, a pressure regulating valve is arranged on a hydraulic pump station to control the jacking pressure to be stable, the ejector rods are used for jacking and reducing the working procedure, and the efficiency is increased. The rest of the structure was the same as in example 1.
The present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only for explaining the principle of the present invention, without departing from the structure and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. The utility model provides a device is demolishd in whole translation of shield constructs quick-witted and steel sleeve, its characterized in that includes: the steel shield construction method comprises the following steps of (1) a shield tunneling machine, a steel sleeve, a structural bottom plate, a pre-buried steel plate, a hydraulic jack, a portal structural wall, a structural side wall, radial steel rails, transverse steel rails and a hoisting area; the upper surface of the structural bottom plate is fixedly paved with an embedded steel plate, a steel sleeve is arranged on the embedded steel plate, the shield tunneling machine is placed in the steel sleeve, two sides of a base at the lower part of the steel sleeve are respectively fixedly provided with radial steel rails, the steel sleeve is radially translated through a hydraulic jack and a portal structural wall, two ends of the base at the lower part of the steel sleeve are fixedly provided with transverse steel rails, the steel sleeve is transversely translated to a hoisting area through the hydraulic jack and a structural side wall.
2. The device for removing the shield tunneling machine and the steel sleeve in the integral translation mode according to claim 1, wherein radial steel rails are fixedly arranged on the upper surface of the embedded steel plate respectively on two radial sides of a base on the lower portion of the steel sleeve.
3. The device for dismounting the whole of the shield tunneling machine and the steel sleeve in the translation mode according to claim 1, wherein at least two hydraulic jacks are arranged between the tunnel portal structure wall and the lower base of the steel sleeve, and the contact surfaces of the hydraulic jacks and the tunnel portal structure wall are supported by steel plate pads.
4. The device for removing the shield tunneling machine and the steel sleeve in the integral translation mode according to claim 1, wherein two ends of a base at the lower portion of the steel sleeve are fixedly provided with transverse steel rails on the upper surface of an embedded steel plate respectively.
5. The shield tunneling machine and steel sleeve integral translation dismantling device according to claim 1, wherein the center of the steel sleeve coincides with the center of a tunnel portal with an error smaller than 20 mm.
6. The shield tunneling machine and steel sleeve integral translation dismantling device as claimed in claim 1, wherein the clearance between the steel sleeve lower base and the radial steel rail is at least 30-70 mm.
7. The device for removing the whole of the shield tunneling machine and the steel sleeve in the translational motion as claimed in claim 1, wherein the hydraulic jack is installed at 400mm of the edge of the base at the lower part of the steel sleeve.
8. The shield tunneling machine and steel sleeve integral translation dismantling device as claimed in claim 1, wherein the clearance between the steel sleeve lower base and the transverse steel rail is at least 30-70 mm.
9. The device for removing the shield tunneling machine and the steel sleeve in the integral translation mode according to claim 1, wherein the lengths of the radial steel rails and the transverse steel rails on the upper surface of the embedded steel plate are larger than the translation distance.
10. The device for removing the whole shield tunneling machine and the steel sleeve in the translational mode according to claim 1, wherein the distance between a base at the lower portion of the steel sleeve and the structural wall columns on two sides of the wall body is larger than 300 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020708597.6U CN212359765U (en) | 2020-04-30 | 2020-04-30 | Shield constructs whole translation of machine and steel sleeve and demolishs device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020708597.6U CN212359765U (en) | 2020-04-30 | 2020-04-30 | Shield constructs whole translation of machine and steel sleeve and demolishs device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212359765U true CN212359765U (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020708597.6U Active CN212359765U (en) | 2020-04-30 | 2020-04-30 | Shield constructs whole translation of machine and steel sleeve and demolishs device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212359765U (en) |
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2020
- 2020-04-30 CN CN202020708597.6U patent/CN212359765U/en active Active
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