CN202030997U - Track slab tensioning anchor device - Google Patents
Track slab tensioning anchor device Download PDFInfo
- Publication number
- CN202030997U CN202030997U CN2010206469462U CN201020646946U CN202030997U CN 202030997 U CN202030997 U CN 202030997U CN 2010206469462 U CN2010206469462 U CN 2010206469462U CN 201020646946 U CN201020646946 U CN 201020646946U CN 202030997 U CN202030997 U CN 202030997U
- Authority
- CN
- China
- Prior art keywords
- tensioning
- jack
- track slab
- anchor device
- draw
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a track slab tensioning anchor device, which comprises a jack and a hydraulic control device. A tensioning screw is equipped on a piston of the jack. A rotary sleeve is equipped on the front of the jack cylinder. One end of the tensioning screw is provided with a pressure-bearing nut. The track slab tensioning anchor device which serves as an effective complement to the tensioning of a CRTSI type track slab and effectively solves the problem that no easy correction can be applied when the elongation of a tensioning steel bar is beyond a standard range further has the characteristics of simple structure and convenient operation.
Description
Technical field
The utility model relates to a kind of track plate stretch-draw anchor restorer.
Background technology
Horizontal single-ended stretch-draw is adopted in the design of CRTSI type pre-stress rail plate, vertically both-end stretch-draw, the horizontal 127KN of design stretching force, vertical 122KN, elongation allowable error 1mm.Because the required precision height, and the stretching extension amount that reasons such as construction environment, rod iron individual difference cause is defective, does not revise way preferably.
The utility model content
Its purpose of the utility model just is to provide a kind of track plate stretch-draw anchor restorer, is the effective of CRTSI type track plate stretch-draw replenished, and is difficult for the problem of correction when effectively having solved stretch-draw rod iron over-proof elongation indicator, has simple in structure, convenience operation.
The technical scheme that realizes above-mentioned purpose and take comprises jack and hydraulic control device, and described jack piston is provided with tensioning screw rod, and described jack cylinder body front end is provided with rotary sleeve, and described tensioning screw rod one end is provided with the pressure-bearing nut.
Compared with prior art, the beneficial effects of the utility model are: because the structure design that has adopted rotary sleeve to be rotated counterclockwise, thereby be difficult for the problem revised when effectively having solved stretch-draw rod iron over-proof elongation indicator, be that the effective of CRTSI type track plate stretch-draw replenished, have simple in structure, convenience operation.
Description of drawings
Fig. 1 is this apparatus structure schematic front view.
The specific embodiment
Comprise jack and hydraulic control device, as shown in Figure 1, described jack piston 2 is provided with tensioning screw rod 3, and described jack cylinder body 1 front end is provided with rotary sleeve 6, and described tensioning screw rod 3 one ends are provided with pressure-bearing nut 4.
Described rotary sleeve can be rotated counterclockwise.
5 is rotary handle among the figure, and 7 is the jack handle, and 8 is the hydraulic oil import, and 9 are the hydraulic oil outlet.
This device makes the jack rotary sleeve possess the function of being rotated counterclockwise, when increasing oil pressure rod iron is stretched to when making the stretch-draw hold-down nut be in relaxed state, shakes rotary handle 5 counterclockwise, hold-down nut is unloaded, again search the defective reason of stretch-draw, change rod iron stretch-draw again.
Operating principle when finding that stretch-draw rod iron elongation is defective, is used this anchor restorer, overlaps to hold-down nut, and pressure-bearing nut 4 is installed, and starts oil pump and exerts pressure, and when pressure reaches stretch-draw design stress value, shakes rotary handle 5 counterclockwise, and hold-down nut is unloaded.Cylinder is returned in release, takes off pressure-bearing nut 4, takes down jack, unloads tensioning screw rod 3, moves back anchor and finishes.
Claims (1)
1. track plate stretch-draw anchor restorer, comprise jack and hydraulic control device, it is characterized in that described jack piston (2) is provided with tensioning screw rod (3), described jack cylinder body (1) front end is provided with rotary sleeve (6), and described tensioning screw rod (3) one ends are provided with pressure-bearing nut (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206469462U CN202030997U (en) | 2010-12-08 | 2010-12-08 | Track slab tensioning anchor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206469462U CN202030997U (en) | 2010-12-08 | 2010-12-08 | Track slab tensioning anchor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202030997U true CN202030997U (en) | 2011-11-09 |
Family
ID=44893300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206469462U Expired - Fee Related CN202030997U (en) | 2010-12-08 | 2010-12-08 | Track slab tensioning anchor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202030997U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269007A (en) * | 2017-06-11 | 2017-10-20 | 桂林理工大学 | A kind of unbonded prestressing tendon method for stretching for being easy to move back anchor |
| CN109026098A (en) * | 2018-08-16 | 2018-12-18 | 陕西陕煤黄陵矿业有限公司 | One kind is hydraulic to move back anchor vehicle |
-
2010
- 2010-12-08 CN CN2010206469462U patent/CN202030997U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269007A (en) * | 2017-06-11 | 2017-10-20 | 桂林理工大学 | A kind of unbonded prestressing tendon method for stretching for being easy to move back anchor |
| CN109026098A (en) * | 2018-08-16 | 2018-12-18 | 陕西陕煤黄陵矿业有限公司 | One kind is hydraulic to move back anchor vehicle |
| CN109026098B (en) * | 2018-08-16 | 2020-09-29 | 陕西陕煤黄陵矿业有限公司 | Hydraulic anchor withdrawing vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20151208 |
|
| EXPY | Termination of patent right or utility model |