CN203701613U - Limiting device capable of automatically adjusting expansion and contraction quantity of clamping piece - Google Patents
Limiting device capable of automatically adjusting expansion and contraction quantity of clamping piece Download PDFInfo
- Publication number
- CN203701613U CN203701613U CN201320712957.XU CN201320712957U CN203701613U CN 203701613 U CN203701613 U CN 203701613U CN 201320712957 U CN201320712957 U CN 201320712957U CN 203701613 U CN203701613 U CN 203701613U
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- China
- Prior art keywords
- stem
- cylinder
- limiting
- spacing
- anchor cable
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Abstract
The utility model discloses a limiting device capable of automatically adjusting expansion and contraction quantity of a clamping piece, which is applied to prestressed anchor cable tension. The limiting device comprises a limiting core column, wherein the limiting core column is arranged inside a cylinder; a bottom plate is arranged at the bottom of the cylinder; below the limiting core column, a spring is arranged at the lower part of the limiting core column inside the cylinder; an annular groove is formed inside the end part of the cylinder; the annular groove is used for clamping an anchor gear; a limiting clamp is also arranged inside the cylinder; an anchor cable hole and limiting slot clamps are arranged on the limiting core column; the anchor cable hole is formed in the end part of the limiting core column; the limiting core column is arranged inside the cylinder; the limiting clamp of the cylinder is arranged between the limiting slot clamps of the limiting core column; the anchor cable hole, corresponding to an anchor cable through hole of the limiting core column in position, is formed in the bottom plate. The annular groove in the top of the cylinder is used for clamping the anchor gear, and the spring is arranged below the limiting core column inside the cylinder, so that the limiting device can be used for installing and using different sizes of clamping pieces, the limiting device is simple in structure, and simple and convenient to manufacture, and the convenience and the reliability in anchor cable tension can be effectively improved.
Description
Technical field
The utility model relates to a kind of stopping means, especially a kind of stopping means of automatic adjusting intermediate plate stroke.
Background technology
In prestress anchorage cable stretching process, the effect of limiting plate is mainly the position of restriction intermediate plate when stretch-draw, is exactly specifically the length that limits intermediate plate and stretch out ground tackle.The too little meeting of limiting plate groove depth causes intermediate plate scratch steel strand, and may occur that actual stretching extension amount designs stretch value situation less than normal, at this moment needs to deepen limiting plate groove depth and solves; Limiting plate groove depth too conference increases the amount of recovery of stretch-draw, at this moment should consider that super stretch-draw refills elongation according to actual amount of recovery.
The intermediate plate that different regions different manufacturers is produced tends to not mate with limiting plate, and the excessive or too small situation of limiting plate groove depth often has generation, and construction has been caused to great inconvenience, has reduced the safety of anchorage cable stretching simultaneously.
Utility model content
For solving in pre existing stress anchorage cable stretching process, wayward, the different intermediate plate of limiting plate groove depth and the unmatched problem of limiting plate, the utility model provide a kind of simple in structure, simple for production, can meet the requirement of different size intermediate plate, and effectively improve the stopping means of the convenience of anchorage cable stretching and the automatic adjusting intermediate plate stroke of reliability.
Technical problem to be solved in the utility model is achieved through the following technical solutions:
A stopping means for automatic adjusting intermediate plate stroke,
This stopping means comprises: spacing stem stem, for passing anchor cable and withstanding intermediate plate;
Spacing stem stem is set in cylinder;
Base plate is arranged on bottom of cylinder, the below of spacing stem stem;
Spring is arranged at spacing stem stem bottom in cylinder, and spring can regulate according to the size of different intermediate plates the activity of spacing stem stem, to meet the requirement of intermediate plate stroke.
Preferably, in described cylinder end, be provided with annular groove, described annular groove is used for blocking ground tackle, is also provided with limiting card in described cylinder.
Preferably, described spacing stem stem is provided with anchor cable hole and stopper slot card, and described anchor cable hole is located at spacing stem stem end for passing anchor cable.
Preferably, described spacing stem stem is arranged in cylinder, and the limiting card of cylinder is located between the stopper slot card of spacing stem stem.
Preferably, described spring housing is located at the stopper slot card below of spacing stem stem near base plate, and spring lower support is on base plate, and top withstands on stopper slot card lower edge.
Preferably, in the time not using, spring jack-up stopper slot card, stopper slot card withstands the limiting card in cylinder, thereby makes spacing stem stem upper surface concordant with cylinder top end surface.
Preferably, on described base plate, be provided with anchor cable hole with the corresponding setting of spacing stem stem anchor cable lead to the hole site.
Automatically the stopping means that regulates intermediate plate stroke, its using method comprises:
1) anchor cable is passed to anchor tackle bearing plate and the ground tackle with intermediate plate;
2) again anchor cable is passed to spacing stem stem and base plate;
3) ground tackle is fastened in annular groove, spacing stem stem end face is pressed on the intermediate plate of ground tackle;
4) anchor cable is passed to jack and jack piston;
5) be provided with equally the ground tackle of intermediate plate at jack piston place, and penetrate anchor cable;
6) carry out prestressed anchor cable stretching.
The beneficial effects of the utility model are:
The utility model main body is made up of cylinder and columned spacing stem stem, cylinder top annular groove is used for blocking ground tackle, the spacing stem stem of cylinder interior below arranges spring, make this stopping means can install and use the intermediate plate of different size, and the utility model is simple in structure, simple for production, can effectively improve convenience and the reliability of anchorage cable stretching.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.
Fig. 1 is prestress anchorage cable tensioning system figure;
Fig. 2 is stopping means assembling schematic diagram;
Fig. 3 is that spacing assembly axis is to sectional drawing;
Fig. 4 is the cylindrical shape housing axial section of stopping means;
Fig. 5 is the spacing stem stem schematic diagram of stopping means;
In figure, 1. ground tackle, 2. intermediate plate, 3. jack, 4. jack piston, 5. stopping means, 6. anchor tackle bearing plate, 7. pedestal, 8. anchor cable hole, 9. anchor cable, 10. cylinder, 11. annular grooves, 12. limiting cards, 13. stopper slot cards, 14. spacing stem stems, 15. anchor cable holes, 16. base plates, 17. springs.
The specific embodiment
As Figure 1-Figure 5, automatically regulate the stopping means main body of intermediate plate stroke to be formed by cylindrical shape housing, spacing stem stem 14 and spring 17.
Cylindrical shape housing, spacing stem stem 14 are preferably metal material and make, and spring 17 is preferably compression spring, and cylindrical shape housing is made up of cylinder 10, base plate 16 and limiting card 12.
As shown in Fig. 2-Fig. 4, cylinder 10 is interior arranges spacing stem stem 14, and spacing stem stem 14 is for through anchor cable 9 and withstand intermediate plate 2, and base plate 16 is arranged on cylinder 10 bottoms, the below of spacing stem stem 14.Processing annular groove 11 in cylinder 10 ends, one end, annular groove 11, for blocking ground tackle 6, is also provided with limiting card 12 in cylinder 10.The connected mode that cylinder 10, base plate 16 and limiting card 12 connect is welding or one-shot forming, and on base plate 16,4 anchor cable holes 15 are offered according to anchor cable 9 quantity in center.
As shown in Figure 5, anchor cable hole 15 is offered in spacing stem stem 14 ends, anchor cable hole 15 is for passing anchor cable 9, and at the side of spacing stem stem 14 processing stopper slot card 13, the connected mode of spacing stem stem 14 and stopper slot card 13 is welding or one-shot forming, 4 anchor cable holes 15 are offered according to anchor cable 9 quantity in spacing stem stem 14 centers, end, and anchor cable hole 15 is for through anchor cable 9, it is corresponding with 4 anchor cable holes 15 on base plate 16.
As shown in Figure 3, spacing stem stem 14 is arranged in cylinder 10, should make the limiting card of cylinder 10 be arranged between the stopper slot card 13 of spacing stem stem 14, thereby guarantee between limiting card 12 and stopper slot card 13, and having certain operating range between spacing stem stem 14 and base plate, enable pass is crossed spring 17 elastic force and regulates the activity of spacing stem stem 14.
Spring 17 is set in spacing stem stem 14 bottoms, near stopper slot card 13 below cylinder 10 inside of base plate 16, spring 17 lower support are on base plate 16, top withstands on stopper slot card 13 lower edges, spring 17 can regulate according to the size of different intermediate plates 2 activity of spacing stem stem 14, to meet intermediate plate 2 stroke requirements.
In the time that this stopping means does not use, the stopper slot card 13 of the spring spacing stem stem of 17 jack-up 14 bottoms, stopper slot card 13 withstands the limiting card 12 in cylinder 10, thereby makes spacing stem stem 14 upper surfaces concordant with cylinder 10 top end faces.
As shown in Figure 1, stopping means is placed between ground tackle 1 and jack 3, and the ground tackle screens 11 of stopping means 5 limits the activity of ground tackle 1.
This regulates the implementation process of the stopping means of intermediate plate stroke to be automatically:
1) anchor cable 1 process anchor cable hole 8 and pedestal 7, and pass anchor tackle bearing plate 6 and the ground tackle 1 with intermediate plate 2;
2) spacing stem stem 14 and the base plate 16 through stopping means 5 by anchor cable 9 again;
3) ground tackle 6 is fastened in annular groove 11, spacing stem stem 14 end faces are pressed on the intermediate plate 2 of ground tackle 6;
4) anchor cable 9 is passed to jack 3 and jack piston 4;
5) be provided with equally the ground tackle 6 of intermediate plate 2 at jack piston 4 places, and penetrate anchor cable 9;
6) carry out prestressed anchor cable stretching.
Should be understood that, the above-mentioned specific embodiment of the present utility model is only for exemplary illustration or explain principle of the present utility model, and do not form restriction of the present utility model.Therefore any modification of, making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model in the situation that not departing from spirit and scope of the present utility model.In addition, the utility model claims are intended to contain whole variations and the modification in the equivalents that falls into claims scope and border or this scope and border.
Claims (7)
1. a stopping means that automatically regulates intermediate plate stroke, is characterized in that:
This stopping means comprises: spacing stem stem (14);
Spacing stem stem (14) is set in cylinder (10);
Base plate (16) is arranged on cylinder (10) bottom, the below of spacing stem stem (14);
Spring (17) is arranged at spacing stem stem (14) bottom in cylinder (10).
2. the stopping means of automatic adjusting intermediate plate stroke according to claim 1, it is characterized in that: described cylinder (10) is provided with annular groove (11) in end, described annular groove (11), for blocking ground tackle (1), is also provided with limiting card (12) in described cylinder (10).
3. the stopping means of automatic adjusting intermediate plate stroke according to claim 2, it is characterized in that: described spacing stem stem (14) is provided with anchor cable hole (15) and stopper slot card (13), described anchor cable hole (15) is located at spacing stem stem (14) end.
4. the stopping means of automatic adjusting intermediate plate stroke according to claim 3, it is characterized in that: described spacing stem stem (14) is arranged in cylinder (10), and the limiting card (12) of cylinder (10) is located between the stopper slot card (13) of spacing stem stem (14).
5. the stopping means of automatic adjusting intermediate plate stroke according to claim 4, it is characterized in that: described spring (17) is set in stopper slot card (13) below of spacing stem stem (14) near base plate (16), spring (17) lower support is upper at base plate (16), and top withstands on stopper slot card (13) lower edge.
6. the stopping means of automatic adjusting intermediate plate stroke according to claim 5, it is characterized in that: in the time not using, spring (17) jack-up stopper slot card (13), stopper slot card (13) withstands the limiting card (12) in cylinder (10), thereby makes spacing stem stem (14) upper surface concordant with cylinder (10) top end face.
7. the stopping means of automatic adjusting intermediate plate stroke according to claim 1, is characterized in that: described base plate (16) is upper is provided with anchor cable hole (15) with the corresponding setting in spacing stem stem (14) anchor cable hole (15) position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320712957.XU CN203701613U (en) | 2013-11-12 | 2013-11-12 | Limiting device capable of automatically adjusting expansion and contraction quantity of clamping piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320712957.XU CN203701613U (en) | 2013-11-12 | 2013-11-12 | Limiting device capable of automatically adjusting expansion and contraction quantity of clamping piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203701613U true CN203701613U (en) | 2014-07-09 |
Family
ID=51052069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320712957.XU Expired - Fee Related CN203701613U (en) | 2013-11-12 | 2013-11-12 | Limiting device capable of automatically adjusting expansion and contraction quantity of clamping piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203701613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727317A (en) * | 2015-01-27 | 2015-06-24 | 中国矿业大学 | Combination structure for reducing anchor cable prestress loss |
-
2013
- 2013-11-12 CN CN201320712957.XU patent/CN203701613U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727317A (en) * | 2015-01-27 | 2015-06-24 | 中国矿业大学 | Combination structure for reducing anchor cable prestress loss |
| CN104727317B (en) * | 2015-01-27 | 2016-08-17 | 中国矿业大学 | A kind of combinative structure reducing prestressd anchor cable loss |
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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: 20140709 Termination date: 20141112 |
|
| EXPY | Termination of patent right or utility model |