CN202509494U - Prestress anchor rope tension device - Google Patents
Prestress anchor rope tension device Download PDFInfo
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- CN202509494U CN202509494U CN 201220103938 CN201220103938U CN202509494U CN 202509494 U CN202509494 U CN 202509494U CN 201220103938 CN201220103938 CN 201220103938 CN 201220103938 U CN201220103938 U CN 201220103938U CN 202509494 U CN202509494 U CN 202509494U
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- anchorage cable
- prestress anchorage
- ground tackle
- hole
- anchor
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Abstract
The utility model belongs to the technical field of prestress anchor rope construction, and discloses a prestress anchor rope tension device. The prestress anchor rope tension device comprises an anchorage device, an upper cushion plate, an elastic clamping piece and an anchor cushion plate, wherein the anchor cushion plate is arranged between the anchorage device and the upper cushion plate and can be disassemble from the anchorage device and the upper cushion plate, the elastic clamping piece is disposed inside the anchor cushion plate, and a gap is formed between the upper end of the elastic clamping piece and the upper cushion plate. According to the prestress anchor rope tension device, the anchor cushion plate is arranged between the anchorage device and the upper cushion plate and can be disassemble from the anchorage device and the upper cushion plate, and therefore tension of the prestress anchor rope can be conducted in twice. In the first tension process, the anchor cushion plate is arranged between the anchorage device and the upper cushion plate, the gap is formed between the elastic clamping piece and the upper cushion plate, the prestress anchor rope is not locked by the elastic clamping piece, and invalidity of the prestress anchor rope is avoided. In the second tension process, the upper cushion plate is directly pressed on the elastic clamping piece in an abutted mode, the prestress anchor rope can be locked by the elastic clamping piece, and therefore the tension of the prestress anchor rope is finished, and the tension value meets requirements.
Description
Technical field
The utility model relates to the technical field of construction prestressed cable, relates in particular to the prestress anchorage cable tensioning equipment.
Background technology
At present; In side slope in all subways, water power, municipal administration and building construction, foundation ditch, the barricade engineering, along with the continuous expansion in ground foundation engineering field, the application of prestress anchorage cable more and more widely; Prestress anchorage cable passes soft stratum or slide plane by boring; Be anchored at an end in the hard rock stratum (anchor head in claiming), utilize jack to carry out stretch-draw then, unstable rock mass is carried out anchoring thereby the rock stratum exerted pressure at another free end (anchor head outside claiming).In the practice of construction process, all utilize prestress anchorage cable tensioning equipment and prestress anchorage cable to cooperate, make that jack can stretch-draw and fixing prestress anchorage cable.
Prestress anchorage cable tensioning equipment commonly used at present comprises porous ground tackle and porous backing plate, and prestress anchorage cable passes in porous ground tackle and the porous backing plate, and an end is fixed; The other end carries out stretch-draw with jack, and for the prestress anchorage cable after the fixing stretch-draw, is provided with elastic clip between backing plate and the ground tackle; Elastic clip is clipped on the prestress anchorage cable, and its lower end embeds the Kong Weizhong of ground tackle, and backing plate directly is pressed on the upper end of elastic clip; Like this, when the other end of jack tension prestress anchorage cable, elastic clip then move down and with ground tackle in the cooperation of position, hole; Prestress anchorage cable is tightened gradually, and be used for the upper end that backing plate directly is pressed on elastic clip, along with the stretch-draw of jack; Elastic clip is pressed in the position, hole of ground tackle gradually, and when the stretch-draw of jack pair prestress anchorage cable surpassed certain pulling force, elastic clip then can be with in the prestress anchorage cable position, hole that is stuck in ground tackle tightly; At this moment, if further apply stretching force, the above partial prestressing anchor cable of ground tackle can't freely be extended by stretch-draw again; Stretch-draw this moment can only be following the partial prestressing anchor cable of ground tackle, therefore, seemed meaningless above the stretch-draw of certain stretching force value; And if further stretch-draw by force; Then might cause prestress anchorage cable and elastic clip to produce and slide, thereby cause elastic clip can't tighten the phenomenon of prestress anchorage cable, cause prestress anchorage cable to lose efficacy.
Prestress anchorage cable tensioning equipment of the prior art has following defective:
1, since backing plate be pressed on the elastic clip always, therefore when stretching force hour, it is less that elastic clip gets into the distance of the position, hole in the ground tackle; Not with the prestress anchorage cable chucking, prestress anchorage cable further freely extends under the stretching force effect as yet; Along with stretching force increases gradually, when increasing to certain pulling force, elastic clip then can get in the ground tackle mesopore position fully; And fully prestress anchorage cable is tightened; Can not make ground tackle above partial prestressing anchor cable continue elongation strain if further apply pulling force this moment, can only cause one section very little below ground tackle prestress anchorage cable stretcher strain; Therefore when surpassing certain pulling force, the stretch-draw of prestress anchorage cable has been seemed meaningless.
2, because when stretching force surpassed certain pulling force, further stretch-draw had seemed meaningless, the prestress anchorage cable of therefore having relatively high expectations for stretching force is difficult to reach design effect.
3, because stretching force surpasses certain pulling force, elastic clip with the prestress anchorage cable chucking, if further stretch-draw by force then possibly pulled out prestress anchorage cable from elastic clip, causes prestress anchorage cable to be scrapped.
4, general prestress anchorage cable steel strand tension value is about 5-20cm; Adopt prestress anchorage cable tensioning equipment of the prior art, can only make prestressed anchor cable stretching value be no more than 8cm, because deformation values is too small; The prestressing force that causes prestress anchorage cable to apply is not in place, can not meet the demands.
In the prior art; All be to utilize the prestress anchorage cable tensioning equipment; Carry out stretch-draw to prestress anchorage cable is disposable, and upper padding plate all being to be pressed on the elastic clip always, is before design stretch-draw value is arrived in stretch-draw thereby prestress anchorage cable occurs; Just blocked phenomenon also is prone to cause the prestress anchorage cable failure phenomenon.
The utility model content
The utility model is to deficiency of the prior art; The prestress anchorage cable method for stretching is provided; It carries out stretch-draw to prestress anchorage cable at twice, avoids in the stretching process, and upper padding plate is pressed on the phenomenon on the elastic clip always; Avoid prestress anchorage cable to be stretched to design stretch-draw value blocked phenomenon before, prestress anchorage cable can not lose efficacy.
The utility model is to realize like this; The prestress anchorage cable tensioning equipment comprises ground tackle, the upper padding plate that can supply the prestress anchorage cable activity to pass and is located in the elastic clip on the said prestress anchorage cable, and said upper padding plate places said ground tackle top; Also comprise and place between said ground tackle and the said upper padding plate and can supply said prestress anchorage cable activity to pass and can be from the anchor plate that disassembles between said ground tackle and the said upper padding plate; Said upper padding plate places said anchor plate upper surface, and said elastic clip places in the said anchor plate, and the lower end places in the said ground tackle; Said ground tackle upper surface is extended in the upper end, and and said upper padding plate between have the gap.
Further; Be provided with first through hole that can supply said prestress anchorage cable activity to pass in the said ground tackle; Said anchor plate lower end is provided with the third through-hole that can hold said ground tackle; The upper end is provided with the fourth hole that is communicated with said third through-hole, and the lower end of said elastic clip places in said first through hole, and the upper end extends in the said fourth hole.
Further; Said anchor plate comprises the block of all right one way or the other relative amalgamation or separation; Two said block lower ends are respectively equipped with first groove that capable assembling forms said third through-hole, and the upper end is respectively equipped with and is communicated with second groove that said first groove and capable assembling form said fourth hole.
Further, also comprise the hinge that is movably connected on said block one end respectively and said block is rotated around it.
Further, has the ledge structure that can press on said ground tackle upper surface between said third through-hole and the said fourth hole.
Further, said elastic clip is a wedge, and its lower end is the little head end that is embedded in said first through hole, the stub end of upper end for being compressed by said upper padding plate.
Further, be provided with crack in the said elastic clip.
Further, also comprise the lower bolster that places said anchor plate lower end, said ground tackle presses on the upper surface of said lower bolster.
Further, also comprise the anchor pier that places said lower bolster below, said lower bolster presses on the upper surface of said anchor pier.
Compared with prior art, the anchor plate of the utility model can be placed between ground tackle and the upper padding plate, also can therefrom disassemble, like this; Can carry out stretch-draw to prestress anchorage cable at twice, in the stretching process, anchor plate is placed between ground tackle and the upper padding plate for the first time, and upper padding plate is pressed on the anchor plate; And and have the gap between the elastic clip, can avoid in the stretching process, elastic clip is with the phenomenon of prestress anchorage cable locking; Thereby avoid prestress anchorage cable to lose efficacy, before carrying out the stretch-draw second time, then anchor plate is disassembled; Make upper padding plate directly be pressed on the elastic clip, like this, in second time stretching process; Elastic clip then capable of using locks prestress anchorage cable, thereby accomplishes the stretch-draw to prestress anchorage cable, and guarantees that the stretch-draw value meets the demands.
Description of drawings
Fig. 1 is the cross-sectional schematic of the prestress anchorage cable tensioning equipment that provides of the utility model embodiment;
Fig. 2 is the perspective view of the anchor plate that provides of the utility model embodiment;
Fig. 3 is the cross-sectional schematic of the anchor plate that provides of the utility model embodiment;
Fig. 4 is the perspective view of the upper padding plate that provides of the utility model embodiment;
Fig. 5 is the cut-away illustration of the upper padding plate that provides of the utility model embodiment;
Fig. 6 is the perspective view of the ground tackle that provides of the utility model embodiment;
Fig. 7 is the cut-away illustration of the ground tackle that provides of the utility model embodiment;
Fig. 8 is the cut-away illustration at A place among Fig. 2;
Fig. 9 is the cut-away illustration at B place among Fig. 2;
Figure 10 is the cut-away illustration at C place among Fig. 2.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model provides the prestress anchorage cable tensioning equipment; Comprise ground tackle, the upper padding plate that can supply the prestress anchorage cable activity to pass and be located in the elastic clip on the said prestress anchorage cable; Said upper padding plate places said ground tackle top, comprises that also place between said ground tackle and the said upper padding plate and can supply said prestress anchorage cable activity to pass also can be from the anchor plate that disassembles between said ground tackle and the said upper padding plate, and said upper padding plate places said anchor plate upper surface; Said elastic clip places in the said anchor plate; The lower end places in the said ground tackle, and said ground tackle upper surface is extended in the upper end, and and said upper padding plate between have the gap.
In the utility model, in the process of the stretch-draw prestressing force anchor cable first time, there is the gap between upper padding plate and the elastic clip; Thereby can avoid elastic clip that prestress anchorage cable is locked; Avoid prestress anchorage cable to lose efficacy, in the process of the second stretch-draw prestressing force anchor cable, upper padding plate is pressed on the elastic clip; Thereby can make the elastic clip locking be stretched to the prestress anchorage cable of design stretch-draw value, meet the demands.
Below in conjunction with concrete accompanying drawing detailed description is carried out in the realization of the utility model.
Shown in Fig. 2～11, a preferred embodiment that provides for the utility model.
The utility model provides pre-stress stretching method, is used for ground foundation engineering stretch-draw prestressing force anchor cable 2, makes 2 pairs of unstable rock mass of prestress anchorage cable exert pressure, the good unstable rock mass of anchoring.
To 2 stretch-draw for the first time of the prestress anchorage cable in above-mentioned, make the stretch-draw value of prestress anchorage cable reach design stretch-draw value;
Utilize said method that prestress anchorage cable 2 is carried out stretch-draw, it is stretch-draw prestressing force anchor cable 2 at twice, and in the stretch-draw for the first time, its disposable prestress anchorage cable 2 is stretched to is designed the stretch-draw value; Because in this time stretching process, upper padding plate 11 is not pressed on the elastic clip 13, like this; In the process of the stretch-draw first time, 13 of elastic clips can not compressed into ground tackle 12 by upper padding plate 11, thereby can be with prestress anchorage cable 2 lockings; Can guarantee prestress anchorage cable 2 free stretch-draw, after prestress anchorage cable 2 is pulled to design stretch-draw value, then anchor plate 10 disassembled; Make upper padding plate 11 directly be pressed on the elastic clip 13, at this moment, prestress anchorage cable is carried out the stretch-draw second time; 13 of elastic clips can be pressed in the ground tackle 12, realize the real locking to prestress anchorage cable 2, can avoid prestress anchorage cable 2 failure phenomenon.
According to above-mentioned method, the utility model also provides prestress anchorage cable tensioning equipment 1.
Prestress anchorage cable tensioning equipment 1 comprises ground tackle 12, upper padding plate 11 and elastic clip 13, and upper padding plate 11 places the top of ground tackle 12, and prestress anchorage cable 2 respectively activity pass ground tackle 12 and upper padding plate 11; The one of which end is fixedly connected; The other end then can carry out stretch-draw under the pulling of jack, that is to say; After prestress anchorage cable 2 passes ground tackle 12 and upper padding plate 11, and can in ground tackle 12 and upper padding plate 11, move; Elastic clip 13 is folded on the prestress anchorage cable 2; It can compressive deformation, thereby can clamp prestress anchorage cable 2, and the upper surface of ground tackle 12 is extended in the upper end of elastic clip 13; When its pressurized; Its lower end can be embedded in the ground tackle 12, thereby makes its compressive deformation, can clamp prestress anchorage cable 2.
When beginning that prestress anchorage cable 2 carried out stretch-draw, for do not make upper padding plate 11 directly mortgage on elastic clip 13, just before prestress anchorage cable 2 is pulled to design stretch-draw value; Elastic clip 13 can not compressed and all get in the ground tackle 12 by upper padding plate 11; Promptly can be with prestress anchorage cable 2 lockings, the prestress anchorage cable tensioning equipment 1 in the present embodiment comprises that also anchor plate 10 is arranged between ground tackle 12 and the upper padding plate 11, upper padding plate 11 directly is pressed on the upper surface of this anchor plate 10; And 13 of elastic clips are movably placed among this anchor plate 10; Be that it can move in this anchor plate 10, certainly, after anchor plate 10 is placed between ground tackle 12 and the upper padding plate 11; Prestress anchorage cable 2 has also passed this anchor plate 10; After making that anchor plate 10 is placed between ground tackle 12 and the upper padding plate 11, upper padding plate 11 can directly not be pressed on the elastic clip 13, elastic clip 13 and be placed between the upper padding plate 11 of anchor plate 10 upper surfaces and have the gap.
Like this, after anchor plate 10 is placed between ground tackle 12 and the upper padding plate 11, utilize jack to carry out stretch-draw to prestress anchorage cable 2; Make the stretch-draw value of prestress anchorage cable 2 reach design stretch-draw value; At this moment, then can anchor plate 10 be disassembled between ground tackle 12 and upper padding plate 11, certainly; In the process of dismounting, some retractions can appear in prestress anchorage cable 2; After anchor plate 10 was removed, 11 of upper padding plates directly were pressed on the upper end that elastic clip 13 extends ground tackle 12 upper surfaces, at this moment; Then can carry out the stretch-draw second time to prestress anchorage cable 2, the stretch-draw value of this moment then can compensate the amount of recovery of prestress anchorage cable 2, after prestress anchorage cable 2 is stretched to design stretch-draw value once more; Because elastic clip 13 is being compressed by upper padding plate 11; Then elastic pressuring plate can be extruded in the progressive die tool, and with prestress anchorage cable 2 lockings, can not bounce back; Like this, then reach stretch-draw fully to prestress anchorage cable 2.
Utilize above-mentioned pre-stress stretching device that prestress anchorage cable is carried out stretch-draw; Before prestress anchorage cable 2 is stretched to design stretch-draw value; Elastic clip 13 can not lock prestress anchorage cable 2, thereby can reach the stretch-draw requirement, and can not cause prestress anchorage cable 2 to lose efficacy.
In the present embodiment; Be provided with first through hole 121 that can supply prestress anchorage cable 2 to pass in the ground tackle 12; Be provided with second through hole 111 that can supply prestress anchorage cable 2 to pass in the upper padding plate 11, the lower end of elastic clip 13 is embedded in first through hole 121 of ground tackle 12, and its upper end extends to the upper surface of ground tackle 12; The lower end of anchor plate 10 is provided with the third through-hole 101 that is used to hold ground tackle 12; The upper end is provided with the fourth hole 102 that can hold elastic clip 13; This third through-hole 101 is communicated with fourth hole 102; And third through-hole 101 connects each other with fourth hole 102 and forms the through hole that runs through anchor plate 10 upper and lower sides, and certainly, prestress anchorage cable 2 has also passed the third through-hole 101 and fourth hole 102 of anchor plate 10.
Certainly, after prestress anchorage cable 2 is accomplished stretch-draw for the first time, need anchor plate 10 be disassembled between ground tackle 12 and upper padding plate 11; Anchor plate 10 in the present embodiment is made up of the block 103 of all right one way or the other relative amalgamation and separation, and the lower end of block 103 is provided with first groove, and the upper end is provided with second groove that is communicated with this first groove; And this first groove and second groove connect each other and have formed the groove that runs through block 103 upper and lower sides, like this, and when two blocks 103 form amalgamations together the time; Two first grooves then form above-mentioned third through-hole 101, and accordingly, two second grooves then form above-mentioned fourth hole 102; Like this; When needs are placed on anchor plate 10 between ground tackle 12 and the upper padding plate 11, then together with these two blocks, 103 mutual amalgamations, when needs disassemble this anchor plate 10 between ground tackle 12 and upper padding plate 11; Then can these two blocks 103 be separated from each other, thereby between ground tackle 12 and upper padding plate 11, disassemble.
The amalgamation of these two blocks 103 for ease with separate; One end of two blocks 103 is movably connected through hinge connector 105 respectively; Like this, these two blocks 103 can rotate with respect to hinge connector 105 respectively, thereby can realize amalgamation easily and separate; The location is convenient, and operation is also convenient.
Particularly, hinge connector 105 is two moving blocks that can be rotatably connected each other, and two moving blocks are connected on two blocks 103, thereby realizes the mutual rotation between two blocks 103.
Certainly, after two blocks, the 103 mutual amalgamations together in above-mentioned, can form slit 104 between the two.
In the present embodiment, ground tackle 12 is cylindric, and 101 of third through-holes are set to corresponding cylindric with it, like this, can be convenient to the cooperation between ground tackle 12 and the anchor plate 10.The shape of fourth hole 102 then can design according to the shape of elastic clip 13 and the quantity of prestress anchorage cable 2, is not restricted to certain shape.
For the ease of the assembling between anchor plate 10 and the ground tackle 12; Be provided with transition shoulder between third through-hole 101 in the present embodiment and the fourth hole 102; After ground tackle 12 was placed in the third through-hole 101 of anchor plate 10, this transition shoulder then was pressed on the upper surface of ground tackle 12.
In order to realize that elastic clip 13 can compressive deformation, and can embed in first through hole 121 of ground tackle 12, elastic clip 13 is round table-like, and its lower end is little head end, and the upper end is a stub end, wherein is provided with the fifth hole that can supply prestress anchorage cable 2 to pass.Like this, when having begun that just prestress anchorage cable 2 carried out stretch-draw, the little head end of this elastic clip 13 is embedded in first through hole 121 of ground tackle 12, and its stub end then extends on the upper surface of ground tackle 12; After anchor plate 10 was disassembled, 11 of upper padding plates directly were pressed on the stub end of this elastic clip 13, and along with the further stretch-draw of prestress anchorage cable 2; Under the effect of upper padding plate 11, in elastic clip 13 meetings first through hole 121 that slips into ground tackle 12 slowly, at this moment; Pressure along with 121 pairs of elastic clips 13 of first through hole; Elastic clip 13 meeting compressive deformations, thus prestress anchorage cable 2 stepped up, until prestress anchorage cable 2 is locked.
Certainly, in order to increase the elastic deformation of elastic clip 13, be provided with crack in this elastic clip 13, thereby can increase the ability of elastic clip 13 compressive deformations.
In the present embodiment; Prestress anchorage cable tensioning equipment 1 also is provided with lower bolster 14; Anchor plate 10 in above-mentioned and ground tackle 12 are placed on the upper surface of this lower bolster 14, and lower bolster 14 plays the effect of support, and are provided with the 6th through hole 141 that can supply prestress anchorage cable 2 to pass in it.
Prestress anchorage cable tensioning equipment 1 also is provided with anchor pier 15; This anchor pier 15 is placed on the below of lower bolster 14; The soffit that is lower bolster 14 is pressed on the upper surface of this anchor pier 15, and anchor pier 15 plays the effect of supporting and being connected with the outside, is provided with the 7th through hole that can supply prestress anchorage cable 2 to pass in it.
Certainly; The quantity of first through hole 121, second through hole 111, the 6th through hole 141, the 7th through hole and elastic clip 13 can be decided according to the quantity of prestress anchorage cable 2; In the present embodiment; The quantity of prestress anchorage cable 2 is four, so the quantity of first through hole 121, second through hole 111, the 6th through hole 141, the 7th through hole and elastic clip 13 also is four.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. prestress anchorage cable tensioning equipment; Comprise ground tackle, the upper padding plate that can supply the prestress anchorage cable activity to pass and be located in the elastic clip on the said prestress anchorage cable that said upper padding plate places said ground tackle top, it is characterized in that; Also comprise and place between said ground tackle and the said upper padding plate and can supply said prestress anchorage cable activity to pass and can be from the anchor plate that disassembles between said ground tackle and the said upper padding plate; Said upper padding plate places said anchor plate upper surface, and said elastic clip places in the said anchor plate, and the lower end places in the said ground tackle; Said ground tackle upper surface is extended in the upper end, and and said upper padding plate between have the gap.
2. prestress anchorage cable tensioning equipment as claimed in claim 1; It is characterized in that; Be provided with first through hole that can supply said prestress anchorage cable activity to pass in the said ground tackle, said anchor plate lower end is provided with the third through-hole that can hold said ground tackle, and the upper end is provided with the fourth hole that is communicated with said third through-hole; The lower end of said elastic clip places in said first through hole, and the upper end extends in the said fourth hole.
3. prestress anchorage cable tensioning equipment as claimed in claim 2; It is characterized in that; Said anchor plate comprises the block of all right one way or the other relative amalgamation or separation; Two said block lower ends are respectively equipped with first groove that capable assembling forms said third through-hole, and the upper end is respectively equipped with and is communicated with second groove that said first groove and capable assembling form said fourth hole.
4. prestress anchorage cable tensioning equipment as claimed in claim 3 is characterized in that, also comprises the hinge connector that is movably connected on said block one end respectively and said block is rotated around it.
5. like each described prestress anchorage cable tensioning equipment of claim 2 to 4, it is characterized in that having the ledge structure that can press on said ground tackle upper surface between said third through-hole and the said fourth hole.
6. like each described prestress anchorage cable tensioning equipment of claim 1 to 4, it is characterized in that said elastic clip is a wedge, its lower end is the little head end that is embedded in said first through hole, the stub end of upper end for being compressed by said upper padding plate.
7. prestress anchorage cable tensioning equipment as claimed in claim 6 is characterized in that, is provided with crack in the said elastic clip.
8. like each described prestress anchorage cable tensioning equipment of claim 1 to 4, it is characterized in that also comprise the lower bolster that places said anchor plate lower end, said ground tackle presses on the upper surface of said lower bolster.
9. like each described prestress anchorage cable tensioning equipment of claim 1 to 4, it is characterized in that also comprise the anchor pier that places said lower bolster below, said lower bolster presses on the upper surface of said anchor pier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220103938 CN202509494U (en) | 2012-03-19 | 2012-03-19 | Prestress anchor rope tension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220103938 CN202509494U (en) | 2012-03-19 | 2012-03-19 | Prestress anchor rope tension device |
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| Publication Number | Publication Date |
|---|---|
| CN202509494U true CN202509494U (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220103938 Expired - Fee Related CN202509494U (en) | 2012-03-19 | 2012-03-19 | Prestress anchor rope tension device |
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| CN (1) | CN202509494U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321220A (en) * | 2012-03-19 | 2013-09-25 | 深圳市工勘岩土工程有限公司 | Stretching method and device of prestressed anchor cable |
| CN107884276A (en) * | 2017-11-24 | 2018-04-06 | 山东高速工程检测有限公司 | A kind of anchor drawing force checking device and detection method for improving detection level |
| CN108797582A (en) * | 2018-05-31 | 2018-11-13 | 新疆金风科技股份有限公司 | Prestressing force adjusting method and anchorage |
| CN112878323A (en) * | 2021-01-08 | 2021-06-01 | 中国水利水电科学研究院 | Assembled pre-stressed anchor cable structure |
-
2012
- 2012-03-19 CN CN 201220103938 patent/CN202509494U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321220A (en) * | 2012-03-19 | 2013-09-25 | 深圳市工勘岩土工程有限公司 | Stretching method and device of prestressed anchor cable |
| CN103321220B (en) * | 2012-03-19 | 2015-09-02 | 深圳市工勘岩土工程有限公司 | Prestress anchorage cable method for stretching and device thereof |
| CN107884276A (en) * | 2017-11-24 | 2018-04-06 | 山东高速工程检测有限公司 | A kind of anchor drawing force checking device and detection method for improving detection level |
| CN108797582A (en) * | 2018-05-31 | 2018-11-13 | 新疆金风科技股份有限公司 | Prestressing force adjusting method and anchorage |
| CN108797582B (en) * | 2018-05-31 | 2021-05-18 | 新疆金风科技股份有限公司 | Prestress adjusting method and anchorage device |
| CN112878323A (en) * | 2021-01-08 | 2021-06-01 | 中国水利水电科学研究院 | Assembled pre-stressed anchor cable structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN GONGKAN GEOTECHNICAL GROUP CO., LTD. Free format text: FORMER NAME: SHENZHEN GONGKAN GEOTECHNICAL ENGINEERING CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 518000 Guangdong city of Shenzhen province Futian District Fu Road Fujing building 3 building 20-21 layer Patentee after: Shenzhen Gongkan Geotechnical Group Co., Ltd. Patentee after: SHENZHEN GONGKAN GEOTECHNICAL CO., LTD. Patentee after: Shenzhen Huaxing Jianan Engineering Co., Ltd. Address before: 518026 Guangdong city of Shenzhen province Futian District Fu Road Fujing building 3 building 20-21 layer Patentee before: Shenzhen Gongkan Geotechnical Engineering Co., Ltd. Patentee before: Shenzhen Gongkan Geotechnical Technology Co., Ltd. Patentee before: Shenzhen Huaxing Jianan Engineering Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20160319 |
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| CF01 | Termination of patent right due to non-payment of annual fee |