CN205277436U - A device that is used for shield structure section of jurisdiction vertically taut - Google Patents
A device that is used for shield structure section of jurisdiction vertically taut Download PDFInfo
- Publication number
- CN205277436U CN205277436U CN201521106877.5U CN201521106877U CN205277436U CN 205277436 U CN205277436 U CN 205277436U CN 201521106877 U CN201521106877 U CN 201521106877U CN 205277436 U CN205277436 U CN 205277436U
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- CN
- China
- Prior art keywords
- steel strand
- strand wires
- duct piece
- section
- jurisdiction
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model provides a device that is used for shield structure section of jurisdiction vertically taut, including fastener, chassis, steel strand wires, draw gear and holdout device, fastener one end is fixed on the shield constructs the section of jurisdiction, and draw gear and holdout device are all fixed on the chassis, and the one end of steel strand wires is fixed on fastener, and the other end passes the holdout device and fixes on draw gear, and draw gear passes through the steel strand wires pulling fastener realizes that it strains the processing to construct the section of jurisdiction to the shield, and steel strand wires can be fixed to the holdout device, maintain and construct the tightening force that the section of jurisdiction provided to the shield. This device has smallly, and light in weight, dismantles advantages such as convenient at the installation, can provide accurate reliable tightening force through steel strand stretching, and the tightening force is stable. Construct the section of jurisdiction through this device to the shield and go on vertically straining, can construct the effective reliable take -up in section of jurisdiction with passing in and out hole section shield, ensure section of jurisdiction waterproof seal effect, avoid passing in and out lax, the percolating water scheduling problem in section of jurisdiction that the hole section easily appears.
Description
Technical field
This utility model relates to Metro Tunnel technical field of construction, particularly relates to a kind of device for shield duct piece longitudinally tension.
Background technology
With shield machine carry out that tunnel construction has automaticity height, saves manpower, speed of application is fast, cavitation, weatherproof, an excavation time controllably face sedimentation, reduce the impact on above ground structure and under water excavation time do not affect the features such as water surface traffic,, buried depth longer at the hole line of tunnel is bigger, with shield machine construction more economical rationality.
In shield machine export & import process, support and enter hole segment pipe sheet owing to going out hole segment pipe sheet and can relax after losing shield thrust and cause that section of jurisdiction circumferential weld opens losing backing section of jurisdiction, affect sealed waterproof effect, and then tunnel structure or surrounding enviroment are had a negative impact, so needing to arrange shield duct piece take-up device in export & import section multi-ring section of jurisdiction is carried out longitudinal tension, and remain to portal cast-in-situ steel reinforced concrete and reach design strength.
Existing shield duct piece longitudinal direction tension method has channel-section steel tension and steel wire rope tension, and its weak point is: channel-section steel tension is mechanical position limitation, can only play the effect of longitudinal drawknot, and tightening force is limited, is difficult to tension; And steel wire rope tension is completely by the feel of operator, tightening force is uncertain and uneven, and longitudinal tension effect is also limited.
Utility model content
The purpose of this utility model is in that to provide a kind of device for shield duct piece longitudinally tension, it is possible to avoids the problems referred to above, improves longitudinal tension effect.
To achieve these goals, the utility model proposes a kind of device for shield duct piece longitudinally tension, including:
Clamp device, underframe, steel strand wires, traction apparatus and maintenance device, wherein, described clamp device one end is fixed on described shield duct piece, described traction apparatus and maintenance device are each attached on described underframe, one end of described steel strand wires is fixed on described clamp device, the other end is fixed in described traction apparatus through described maintenance device, described traction apparatus pulls described clamp device by steel strand wires, realize shield duct piece is carried out tension process, described maintenance device can fix described steel strand wires, maintains the tightening force that shield duct piece is provided.
Further, in the described device for shield duct piece longitudinally tension, described clamp device includes lifting bolt, drawing head and end anchor, wherein, described drawing head and end anchor fix, described drawing head is fixed on described shield duct piece by hex bolts and lifting bolt, and one end of described steel strand wires is through anchor of the described end and is fixed on described drawing head.
Further, in the described device for shield duct piece longitudinally tension, described traction apparatus includes front clip type jack, rear anchor and tight anchors, and described steel strand wires are each attached on described front clip type jack with described rear anchor and tight anchors.
Further, in the described device for shield duct piece longitudinally tension, described maintenance device includes front anchor, and described steel strand wires are connected through described front anchor with front clip type jack.
Further, in the described device for shield duct piece longitudinally tension, also including discharge mechanism, described discharge mechanism includes a jacking block and unloads anchor bolt, described in unload anchor bolt and described jacking block and described front anchor with the use of.
Compared with prior art, the beneficial effects of the utility model are mainly reflected in: it is little that the device for shield duct piece longitudinally tension of proposition has volume, lightweight, the advantage such as installation, convenient disassembly, tightening force reliably can be provided accurately by steel strand tension, and tightening force is stable. By this utility model, shield duct piece is carried out longitudinal tension, export & import section shield duct piece effectively can be strained reliably, it is ensured that section of jurisdiction sealed waterproof effect, it is to avoid the problems such as the section of jurisdiction that export & import section easily occurs is lax, percolating water.
Accompanying drawing explanation
Fig. 1 is the side view in this utility model one embodiment for the shield duct piece longitudinally device of tension;
Fig. 2 is the top view in this utility model one embodiment for the shield duct piece longitudinally device of tension;
Fig. 3 is the detonation configuration schematic diagram in this utility model one embodiment for the shield duct piece longitudinally device of tension.
Detailed description of the invention
Below in conjunction with schematic diagram, the device for shield duct piece longitudinally tension of the present utility model is described in more detail, which show preferred embodiment of the present utility model, should be appreciated that those skilled in the art can revise this utility model described here, and still realize advantageous effects of the present utility model. Therefore, it is widely known that description below is appreciated that for those skilled in the art, and is not intended as restriction of the present utility model.
In order to clear, whole features of practical embodiments are not described. They in the following description, it are not described in detail known function and structure, because can make this utility model chaotic due to unnecessary details. Will be understood that in the exploitation of any practical embodiments, it is necessary to make a large amount of implementation detail to realize the specific objective of developer, for instance according to about system or about the restriction of business, an embodiment change into another embodiment. Additionally, it should it is complicated and time-consuming to think that this development is probably, but it is only routine work to those skilled in the art.
With reference to accompanying drawing this utility model more particularly described below by way of example in the following passage. According to the following describes and claims, advantage of the present utility model and feature will be apparent from. It should be noted that, accompanying drawing all adopts the form simplified very much and all uses non-ratio accurately, only in order to purpose convenient, aid illustration this utility model embodiment lucidly.
Refer to Fig. 1 to Fig. 3, in the present embodiment, propose a kind of device for shield duct piece longitudinally tension, including: clamp device, underframe 1, steel strand wires 7, traction apparatus and maintenance device, wherein, described clamp device one end is fixed on shield duct piece, described traction apparatus and maintenance device are each attached on described underframe 1, one end of described steel strand wires 7 is fixed on described clamp device, the other end is fixed in described traction apparatus through described maintenance device, described traction apparatus pulls described clamp device by steel strand wires 7, realize shield duct piece is carried out tension process, described maintenance device can fix described steel strand wires 7, maintain the tightening force that shield duct piece is provided.
Concrete, in the present embodiment, described clamp device includes lifting bolt 4, drawing head 5 and end anchor 6, wherein, described drawing head 4 fixes with end anchor 6, described drawing head 5 is fixed on described shield duct piece by hex bolts 8 and lifting bolt 4, and one end of described steel strand wires 7 is through anchor of the described end 6 and is fixed on described drawing head 5.
Described traction apparatus includes front clip type jack 2, rear anchor 9 and tight anchors 10, and described steel strand wires 7 are each attached on described front clip type jack 2 with described rear anchor 9 and tight anchors 10.
Described maintenance device includes front anchor 3, and described steel strand wires 7 are connected through described front anchor 3 with front clip type jack 2. The described device for shield duct piece longitudinally tension also includes discharge mechanism, and described discharge mechanism includes a jacking block 11 and unloads anchor bolt 12, described in unload anchor bolt 12 and described jacking block 11 and described front anchor 3 with the use of.
When mounted, underframe 1 is fixed on shield duct piece by the lifting bolt 4 that can pass through shield duct piece, clip type jack 2 before installing on underframe 1, by lifting bolt 4, hex bolts 8, drawing head 5 is arranged on the shield duct piece of the termination to strain, end anchor 6 is installed simultaneously, in the middle of end anchor 6 with front clip type jack 2, connect steel strand wires 7, when connecting steel strand wires 7, front anchor 3, rear anchor 9, tight anchors 10, the now installation of this device are installed.
In the present embodiment, it is also proposed that the using method of above-mentioned take-up device, including step:
Use traction apparatus traction steel strand wires, provide tightening force by clamp device for shield duct piece;
Use maintenance device to fix described steel strand wires, make described steel strand wires continue to provide tightening force for shield duct piece by clamp device.
Concrete, when straining, it is possible to for front clip type jack 2 fuel feeding, making front clip type jack 2 stretch cylinder, now steel strand wires 7 are compressed by rear anchor 9, and front anchor 3 relaxes, steel strand wires 7 are stretched cylinder with front clip type jack 2 and are strained, and tightening force can be adjusted by the oil supply pressure of front clip type jack 2.
Then, front clip type jack 2 stroke is walked after completely, unscrews tight anchors 10, and now steel strand wires 7 are compressed by front anchor 3, make front clip type jack 2 contracting cylinder again, after contracting cylinder puts in place, tight anchors 10 is screwed, continue to do and stretch cylinder action, repeatedly so, until steel strand wires 7 reach to set stretching force.
When dismantling, after unscrewing tight anchors 10, a jacking block 11 it is installed and unloads anchor bolt 12, slowly screwing and unload anchor bolt 12, until steel strand wires 7 relax, thus dismantling all devices.
To sum up, in the device for shield duct piece longitudinally tension that this utility model embodiment provides, it is little that the device for shield duct piece longitudinally tension proposed has volume, lightweight, the advantages such as installation, convenient disassembly, tightening force reliably can be provided accurately by steel strand tension, and tightening force is stable. By this utility model, shield duct piece is carried out longitudinal tension, export & import section shield duct piece effectively can be strained reliably, it is ensured that section of jurisdiction sealed waterproof effect, it is to avoid the problems such as the section of jurisdiction that export & import section easily occurs is lax, percolating water.
Above are only preferred embodiment of the present utility model, this utility model is not played any restriction effect. Any person of ordinary skill in the field; without departing from the scope of the technical solution of the utility model; the technical scheme and the technology contents that disclose this utility model make the variations such as any type of equivalent replacement or amendment; all belong to the content without departing from the technical solution of the utility model, still fall within protection domain of the present utility model.
Claims (5)
1. the device for shield duct piece longitudinally tension, it is characterized in that, including: clamp device, underframe, steel strand wires, traction apparatus and maintenance device, wherein, described clamp device one end is fixed on shield duct piece, described traction apparatus and maintenance device are each attached on described underframe, one end of described steel strand wires is fixed on described clamp device, the other end is fixed in described traction apparatus through described maintenance device, described traction apparatus pulls described clamp device by steel strand wires, realize shield duct piece is carried out tension process, described maintenance device can fix described steel strand wires, maintain the tightening force that shield duct piece is provided.
2. the device for shield duct piece longitudinally tension as claimed in claim 1, it is characterized in that, described clamp device includes lifting bolt, drawing head and end anchor, wherein, described drawing head and end anchor fix, described drawing head is fixed on described shield duct piece by hex bolts and lifting bolt, and one end of described steel strand wires is through anchor of the described end and is fixed on described drawing head.
3. the device for shield duct piece longitudinally tension as claimed in claim 1, it is characterised in that described traction apparatus includes front clip type jack, rear anchor and tight anchors, and described steel strand wires are each attached on described front clip type jack with described rear anchor and tight anchors.
4. the device for shield duct piece longitudinally tension as claimed in claim 3, it is characterised in that described maintenance device includes front anchor, and described steel strand wires are connected through described front anchor with front clip type jack.
5. the device for shield duct piece longitudinally tension as claimed in claim 4, it is characterised in that also including discharge mechanism, described discharge mechanism includes a jacking block and unloads anchor bolt, described in unload anchor bolt and described jacking block and described front anchor with the use of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106877.5U CN205277436U (en) | 2015-12-28 | 2015-12-28 | A device that is used for shield structure section of jurisdiction vertically taut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106877.5U CN205277436U (en) | 2015-12-28 | 2015-12-28 | A device that is used for shield structure section of jurisdiction vertically taut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205277436U true CN205277436U (en) | 2016-06-01 |
Family
ID=56062019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521106877.5U Withdrawn - After Issue CN205277436U (en) | 2015-12-28 | 2015-12-28 | A device that is used for shield structure section of jurisdiction vertically taut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205277436U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422131A (en) * | 2015-12-28 | 2016-03-23 | 上海市机械施工集团有限公司 | Longitudinal tensioning device for shield segment and using method of longitudinal tensioning device |
| CN106522986A (en) * | 2016-10-28 | 2017-03-22 | 上海隧道工程有限公司 | Preloading device and construction method for tunnel segment assembling |
-
2015
- 2015-12-28 CN CN201521106877.5U patent/CN205277436U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422131A (en) * | 2015-12-28 | 2016-03-23 | 上海市机械施工集团有限公司 | Longitudinal tensioning device for shield segment and using method of longitudinal tensioning device |
| CN105422131B (en) * | 2015-12-28 | 2018-07-06 | 上海市机械施工集团有限公司 | The device and its application method longitudinally tensed for shield duct piece |
| CN106522986A (en) * | 2016-10-28 | 2017-03-22 | 上海隧道工程有限公司 | Preloading device and construction method for tunnel segment assembling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160601 Effective date of abandoning: 20180706 |
|
| AV01 | Patent right actively abandoned |