CN202809607U - Prestressed anchor for ecologically restoring side slopes and rock masses - Google Patents
Prestressed anchor for ecologically restoring side slopes and rock masses Download PDFInfo
- Publication number
- CN202809607U CN202809607U CN201220461240.8U CN201220461240U CN202809607U CN 202809607 U CN202809607 U CN 202809607U CN 201220461240 U CN201220461240 U CN 201220461240U CN 202809607 U CN202809607 U CN 202809607U
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- China
- Prior art keywords
- bar body
- anchor bar
- end anchor
- rear end
- prestressed
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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.)
- Expired - Lifetime
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- 239000011435 rock Substances 0.000 title claims abstract description 28
- 239000003381 stabilizer Substances 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 14
- 238000012856 packing Methods 0.000 claims description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 5
- 239000002689 soil Substances 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 8
- 238000004873 anchoring Methods 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract description 3
- 210000002435 tendon Anatomy 0.000 abstract 1
- 238000007569 slipcasting Methods 0.000 description 6
- 239000004567 concrete Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 208000009146 rhinoscleroma Diseases 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model provides a prestressed anchor for ecologically restoring side slopes and rock masses, and belongs to the technical field of geotechnical engineering anchoring and timbering. The prestressed anchor comprises a front end anchor body, a rear end anchor body, a supporting base plate, a locking nut, a stabilizer, a prestress device and a prestress device sleeve, wherein the front end anchor body is solid; a hollow cavity is arranged on the rear end anchor body along a central axis; the front end anchor body is connected with one end of the rear end anchor body through the prestress device; the prestress device sleeve is arranged on the prestress device in a sheathing mode, and two ends of the prestress device sleeve are respectively connected with the front end anchor body and the rear end anchor body; and the stabilizer is sleeved on the rear end anchor body, the other end of the rear end anchor body is provided with the supporting base plate, and the supporting base plate is locked by the locking nut. The prestressed anchor can be used for rock construction conditions and soil layer construction conditions; and through the prestressed anchor, the free extension of prestressed tendons can be guaranteed, and dual corrosion resistance performances can be achieved.
Description
Technical field
The utility model belongs to geotechnical engineering anchoring support technical field, a kind of prestressed anchor for side slope and rock mass restoration of the ecosystem specifically, be applicable to side slope and rock mass repair in flexible protecting wire net fixing.
Background technology
Along with the rapid growth of national economic strength, infrastructure is risen thereupon, and the engineering constructions such as highway, railway, water conservancy, mining are like a raging fire.The enforcement that these Foundation Designs are built, follow and a large amount of construction and excavations occurred, explosion, waste spoir etc., thereby destroy natural vegetation, cause a large amount of exposed wound massifs, originally fragile ecologic structure and service function are destroyed, cause the problems such as serious soil erosion and environmental ecology be unbalance.Fast development and the Large scale construction of road and rail since entering 21st century causes about 300,000,000 square metres of the massif side slope that increases newly every year, and linear distribution, and influence surface is large, is the new water and soil losing source of China.
Along with the raising of environmental consciousness, China more and more payes attention to for ecological protection.The technology such as soil property, stone matter side slope have generally adopted wet method to sow grass seeds by duster, three dimensional network is sowed grass seeds by duster are come planting vegetation, soil and slope protection.The side slope that the soil property situation is relatively poor and rock slope owing to lack the basis of plant growth, are then often taked the engineering protection measures such as mortar flag stone, suspended net shotcrete, and not only destroyed vegetation can not get recovering, and have affected ecological environment and the view of highway.Therefore, can guarantee that the stable of stone matter side slope can realize that again the restoration of the ecosystem of permanent greening has obtained paying attention to and fast popularization and application.
Above restoration of the ecosystem all be unable to do without the linked network construction of three dimensional network, flexible protecting wire net, zinc-plated net, so all relate to the fixing construction of anchor pole, also can use in a large number anchor pole simultaneously.But there is not now a kind of Special anchor rod for this restoration of the ecosystem production.
Mainly there is following problem in traditional anchor pole:
1. the bar reinforcement grouting rock bolt adopts screw-thread steel to make the body of rod.Major defect is: the slurry plumpness is difficult to guarantee, and has off-set phenomenon when inserting reinforcing bar, and thickness of protection tier is difficult for evenly, and anchored force is little, so the easy corrosion of reinforcing bar and destroyed; Inapplicable broken formation or scar; Inapplicable need form rapidly the construction plant of supporting power.
2. expansion type rock bolt utilizes the shell power that rises of anchor head to form the mechanical. points anchor-hold.Anchor bar body is generally solid reinforcing bar, and the anchor pole that front end is equipped with the shell anchor head that rises is inserted in the boring, behind the installation in position, with the turning tool rotation shell that rises is fully opened, and the shell that rises is fitted with the boring wall, produces the instant supporting power that forms that rubs.Because supporting power is by shell and the hole wall friction generation of rising, so be only applicable to preferably in the rock stratum.And the anti-corrosion protection to the shell anchor head that rises is difficult, is not suitable for the restoration of the ecosystem of side slope and loose rock mass.
The utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of prestressed anchor for side slope and rock mass restoration of the ecosystem.The prestressed anchor that should be used for side slope and rock mass restoration of the ecosystem not only can be used for the rock stratum execution conditions but also can be used for the soil layer execution conditions, not only can guarantee freely extending but also reaching dual antiseptic property of presstressed reinforcing steel.
To achieve these goals, the utility model is by the following technical solutions:
A kind of prestressed anchor for side slope and rock mass restoration of the ecosystem, comprise front end anchor bar body, rear end anchor bar body, bearing plate, locking nut, stabilizer, prestressing apparatus and prestressing apparatus sleeve pipe, wherein the front end anchor bar body is solid, the rear end anchor bar body is provided with cavity along central axis, described front end anchor bar body is connected an end and is connected by prestressing apparatus with the rear end anchor bar body, described prestressing apparatus casing pipe sleeve is located on the prestressing apparatus and two ends are connected with the rear end anchor bar body with the front end anchor bar body respectively; Described stabilizer set is located on the anchor bar body of rear end, and the other end of described rear end anchor bar body is provided with bearing plate, and described bearing plate is locked by locking nut.
Described prestressing apparatus comprises presstressed reinforcing steel, spring and two prestressing force bars, wherein each prestressing force bar includes stable joint, convex dop, presstressed reinforcing steel fixed bar and the bellows that connects successively, the bellows end of described two prestressing force bars connects by presstressed reinforcing steel, and described spring housing is located on two prestressing force bars.
The spill draw-in groove phase clamping that the convex dop at described prestressing apparatus two ends is provided with an end of front end anchor bar body and rear end anchor bar body respectively.Be connected threaded one end with the front end anchor bar body respectively and be connected in the two ends of described prestressing apparatus sleeve pipe with the rear end anchor bar body.The other end of described front end anchor bar body is tangent plane.The outer wall of described prestressing apparatus sleeve pipe is provided with slurry-blocking device.
The one side that described bearing plate contacts with supporting surface is provided with fixed teeth.Described bearing plate is provided with the duct, and extract duct passes this duct.The other end of described rear end anchor bar body is provided with anchor external body anti-rust cap.
Be provided with packing ring between described bearing plate and the locking nut, the another side that the one side that described packing ring is connected with locking nut is the plane, be connected with bearing plate is sphere, and described bearing plate is the sphere that matches with the contact surface of packing ring.
Advantage of the present utility model and beneficial effect are:
1. the utility model can be used for the rock stratum execution conditions and can be used for again the soil layer execution conditions.
2. the utility model not only can guarantee freely extending of presstressed reinforcing steel but also can reach dual antiseptic property.
3. the utility model can be reinforced ravelly ground, soil layer and prevent erosion.
4. the utility model slip casting can once be finished, and skyhook and stressing device are easy, technique is simple, slip casting is reliable, service time is long.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of prestressing apparatus in the utility model;
Wherein: 1 is front end anchor bar body tangent plane, and 2 is the front end anchor bar body, and 3 is slurry-blocking device, and 4 is prestressing apparatus, 5 is stabilizer, and 6 is the rear end anchor bar body, and 7 is pipeline, and 8 is nut, 9 is packing ring, and 10 is bearing plate, and 11 is the duct, and 12 is cavity, 13 is external threaded surface, and 14 is the prestressing apparatus sleeve, and 15 is anchor external body anti-rust cap, 41 for to stablize joint, and 42 is the convex dop, and 43 is spring, 44 is bellows, and 45 is presstressed reinforcing steel, and 46 is the presstressed reinforcing steel fixed bar.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, the utility model comprises front end anchor bar body 2, rear end anchor bar body 6, bearing plate 10, locking nut 8, stabilizer 5, prestressing apparatus 4 and prestressing apparatus sleeve pipe 14, wherein front end anchor bar body 2 is solid, rear end anchor bar body 6 is provided with cavity 12 along central axis, and front end anchor bar body 2 is connected with the rear end anchor bar body by prestressing apparatus 4 connections.Prestressing apparatus sleeve pipe 14 is set on the prestressing apparatus 4 and two ends are connected with the threaded one end that front end anchor bar body 2 is connected with the rear end anchor bar body respectively, the outer wall of prestressing apparatus sleeve pipe 14 is provided with slurry-blocking device 3, slurry-blocking device 3 prevents that slurries from entering in the boring that has front end anchor bar body 2, and the other end of front end anchor bar body 2 is tangent plane.Stabilizer 5 is sheathed on the rear end anchor bar body 6, and stabilizer 5 is connected by the external screw thread on internal thread and the rear end anchor bar body 6.The other end of rear end anchor bar body 6 is provided with bearing plate 10, the one side that bearing plate 10 contacts with supporting surface is provided with fixed teeth, the surface that fixed teeth can be absorbed in supporting surface increases stablizing and firm degree of anchor pole, bearing plate 10 is by packing ring 9 and locking nut 8 lockings, the one side that packing ring 9 is connected with locking nut 8 is the plane, the another side that is connected with bearing plate 10 is sphere, and bearing plate 10 is the sphere that is complementary with the contact surface of packing ring 9.Bearing plate 10 is provided with duct 11, and extract duct 7 passes this duct 11.The other end of rear end anchor bar body 6 (namely exposing the end) is provided with anchor external body anti-rust cap 15, can prevent effectively that outside anchor body from causing corrosion because of the factor such as drench with rain, water, prevent that simultaneously rainwater or other liquid from pouring into from extract duct 7, thereby increase the application life of anchor body, reduce maintenance difficulties and cost.
As shown in Figure 2, prestressing apparatus 4 comprises presstressed reinforcing steel 45, spring 43 and two prestressing force bars, wherein each prestressing force bar includes stable joint 41, convex dop 42, presstressed reinforcing steel fixed bar 46 and the bellows 44 that connects successively, bellows 44 ends of described two prestressing force bars connect by presstressed reinforcing steel 45, and spring 43 is set on two prestressing force bars.The spill draw-in groove phase clamping that the convex dop 42 at prestressing apparatus 4 two ends is provided with front end anchor bar body 2 and rear end anchor bar body 6 one ends respectively.
The process that prestressing apparatus 4 is installed on the anchor bar body is:
At first an end of prestressing apparatus 4 is aimed at the groove of front end anchor bar body 2 one ends, the groove that simultaneously an end of the convex dop 42 on the prestressing apparatus 4 and front end anchor bar body 2 is provided with match merge insert, chucking, form the locker of one group of phase interlock.Again prestressing apparatus sleeve pipe 14 is enclosed within on the prestressing apparatus 4, and prestressing apparatus sleeve pipe 14 1 ends are connected with the threaded one end of front end anchor bar body 2.Rotation prestressing apparatus sleeve pipe 14 is torqued-up to itself and screw thread on the front end anchor bar body 2 to stablize joint 41 and enters in the corresponding shallow slot of front end anchor bar body 2 inwalls.Then the other end of prestressing apparatus 4 is aimed at the groove on the rear end anchor bar body 6, rotation prestressing apparatus sleeve pipe 14 and the front end anchor bar body 2 that has connected, by making the screw thread rotation on prestressing apparatus sleeve pipe 14 and the rear end anchor bar body 6, the groove that the convex dop 42 that makes prestressing apparatus 4 other ends and an end inwall of rear end anchor bar body 6 are provided with match merge insert, chucking.So just connect into front end anchor bar body 2, rear end anchor bar body 6 and prestressing apparatus 4 as a whole.When strong External Force Acting is arranged in rear end anchor bar body 6 outside, spring 43, bellows 44, presstressed reinforcing steel 45 the elastic range distortion and in this external force subtracted let out, make whole anchor pole maintenance integrality.
The course of work of the present utility model is:
During work, in stratum or rock stratum, bore a hole that is slightly larger than bolt diameter with auger, and cleaning boring, at the scene front end anchor bar body 2, rear end anchor bar body 6, stabilizer 5, prestressing apparatus 4, prestressing apparatus sleeve pipe 14 are assembled, form the anchor pole main body.At rear end anchor bar body 6 stabilizers 5 are installed, stabilizer 5 by the external screw thread interlock on internal thread and the rear end anchor bar body 6, be fixed on the rear end anchor bar body 6.The prestressed anchor main body that assembles is inserted in the boring, between boring and anchor pole main body, inserted simultaneously extract duct 7, as required to boring and the intersubjective space of anchor pole concrete perfusion, finish perfusion when filling with concrete.After finishing above-mentioned steps, treat that concrete setting can carry out slip casting to rear end anchor bar body 6.The cavity 12 of rear end anchor bar body 6 is as the slip casting passage, when concrete grout stops slip casting, the part installation of anchor pole main body in soil layer or rock stratum when flow out the slip casting termination of cavity 12.
After the inside and outside concrete grout scleroma of anchor pole main body, reaching desirable strength, the bearing plate 10 of mounting strap fixed teeth, packing ring 9, locking nut 8 on supporting surface, the fixed teeth of bearing plate 10 are exerted pressure by the rotation of locking nut 8 and are absorbed in the surface of supporting surface.After whole anchor body installs, screw on anchor external body anti-rust cap 15 at rear end anchor bar body 6 exposed parts.
The utility model forms outer anchor section, anchoring section and the prestressing force section of prestressed anchor after by grouting reinforcement and prestressing force.Outer anchor section is formed by bearing plate and one section anchor bar body of locking nut and outside; Anchoring section is formed by one section anchor bar body and grouting soil; Prestressing force Duan Youyi section forms with the anchor bar body of prestressing apparatus.
Claims (10)
1. prestressed anchor that is used for side slope and rock mass restoration of the ecosystem, it is characterized in that: comprise front end anchor bar body (2), rear end anchor bar body (6), bearing plate (10), locking nut (8), stabilizer (5), prestressing apparatus (4) and prestressing apparatus sleeve pipe (14), wherein front end anchor bar body (2) is solid, rear end anchor bar body (6) is provided with cavity (12) along central axis, described front end anchor bar body (2) is connected 6 with the rear end anchor bar body) an end connect by prestressing apparatus (4), described prestressing apparatus sleeve pipe (14) is set on the prestressing apparatus (4), and two ends are connected 6 with front end anchor bar body (2) with the rear end anchor bar body respectively) be connected; Described stabilizer (5) is sheathed on the rear end anchor bar body (6), and the other end of described rear end anchor bar body (6) is provided with bearing plate (10), and described bearing plate (10) is by locking nut (8) locking.
2. by the prestressed anchor for side slope and rock mass restoration of the ecosystem claimed in claim 1, it is characterized in that: described prestressing apparatus (4) comprises presstressed reinforcing steel (45), spring (43) and two prestressing force bars, wherein each prestressing force bar includes the stable joint (41) that connects successively, convex dop (42), presstressed reinforcing steel fixed bar (46) and bellows (44), the bellows of described two prestressing force bars (44) end connects by presstressed reinforcing steel (45), and described spring (43) is set on two prestressing force bars.
3. by the prestressed anchor for side slope and rock mass restoration of the ecosystem claimed in claim 2, it is characterized in that: the spill draw-in groove phase clamping that the convex dop (42) at described prestressing apparatus (4) two ends is provided with an end of front end anchor bar body (2) and rear end anchor bar body (6) respectively.
4. by the prestressed anchor for side slope and rock mass restoration of the ecosystem claimed in claim 1, it is characterized in that: the two ends of described prestressing apparatus sleeve pipe (14) are connected 6 with front end anchor bar body (2) with the rear end anchor bar body respectively) threaded one end be connected.
5. by claim 1,3 or 4 described prestressed anchors for side slope and rock mass restoration of the ecosystem, it is characterized in that: the other end of described front end anchor bar body (2) is tangent plane.
6. by claim 1 or 4 described prestressed anchors for side slope and rock mass restoration of the ecosystem, it is characterized in that: the outer wall of described prestressing apparatus sleeve pipe (14) is provided with slurry-blocking device (3).
7. by the prestressed anchor for side slope and rock mass restoration of the ecosystem claimed in claim 1, it is characterized in that: the one side that described bearing plate (10) contacts with supporting surface is provided with fixed teeth.
8. by claim 1 or 7 described prestressed anchors for side slope and rock mass restoration of the ecosystem, it is characterized in that: described bearing plate (10) is provided with duct (11), and extract duct (7) passes this duct (11).
9. by claim 1 or 3 described prestressed anchors for side slope and rock mass restoration of the ecosystem, it is characterized in that: the other end of described rear end anchor bar body (6) is provided with anchor external body anti-rust cap (15).
10. by the prestressed anchor for side slope and rock mass restoration of the ecosystem claimed in claim 1, it is characterized in that: be provided with packing ring (9) between described bearing plate (10) and the locking nut (8), the another side that the one side that described packing ring (9) is connected with locking nut (8) is the plane, be connected with bearing plate (10) is sphere, and described bearing plate (10) is the sphere that matches with the contact surface of packing ring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220461240.8U CN202809607U (en) | 2012-09-10 | 2012-09-10 | Prestressed anchor for ecologically restoring side slopes and rock masses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220461240.8U CN202809607U (en) | 2012-09-10 | 2012-09-10 | Prestressed anchor for ecologically restoring side slopes and rock masses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202809607U true CN202809607U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220461240.8U Expired - Lifetime CN202809607U (en) | 2012-09-10 | 2012-09-10 | Prestressed anchor for ecologically restoring side slopes and rock masses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202809607U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763454A (en) * | 2015-04-08 | 2015-07-08 | 成都理工大学 | Built-in type full-length anticorrosion anchor rod |
| CN104775838A (en) * | 2015-05-07 | 2015-07-15 | 山东科技大学 | Self-adapting corrosion-proof anchor rod |
| CN105201533A (en) * | 2015-10-14 | 2015-12-30 | 灌阳县鸿运矿山设备有限公司 | Mining anchor rod |
| CN108560547A (en) * | 2018-06-15 | 2018-09-21 | 沙洲职业工学院 | A kind of mine slope protection network anchor pole |
| CN113236368A (en) * | 2021-06-25 | 2021-08-10 | 山东黄金矿业科技有限公司深井开采实验室分公司 | Ground pressure monitoring device and method |
-
2012
- 2012-09-10 CN CN201220461240.8U patent/CN202809607U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763454A (en) * | 2015-04-08 | 2015-07-08 | 成都理工大学 | Built-in type full-length anticorrosion anchor rod |
| CN104775838A (en) * | 2015-05-07 | 2015-07-15 | 山东科技大学 | Self-adapting corrosion-proof anchor rod |
| CN105201533A (en) * | 2015-10-14 | 2015-12-30 | 灌阳县鸿运矿山设备有限公司 | Mining anchor rod |
| CN108560547A (en) * | 2018-06-15 | 2018-09-21 | 沙洲职业工学院 | A kind of mine slope protection network anchor pole |
| CN113236368A (en) * | 2021-06-25 | 2021-08-10 | 山东黄金矿业科技有限公司深井开采实验室分公司 | Ground pressure monitoring device and method |
| CN113236368B (en) * | 2021-06-25 | 2023-02-21 | 山东黄金矿业科技有限公司深井开采实验室分公司 | Ground pressure monitoring device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Prestressed anchor for ecologically restoring side slopes and rock masses Effective date of registration: 20151208 Granted publication date: 20130320 Pledgee: Sino Hong joint financing Company limited by guarantee Pledgor: LIAONING MOUNTAIN & WATER LANDSCAPE CO.,LTD. Registration number: 2015990001092 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hunnan New Century Road 110179 Shenyang city of Liaoning province 5-2 Patentee after: Liaoning Yifa Chenglin Urban Construction Engineering Co.,Ltd. Address before: Hunnan New Century Road 110179 Shenyang city of Liaoning province 5-2 Patentee before: LIAONING MOUNTAIN & WATER LANDSCAPE CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170802 Granted publication date: 20130320 Pledgee: Sino Hong joint financing Company limited by guarantee Pledgor: Liaoning Yifa Chenglin Urban Construction Engineering Co.,Ltd. Registration number: 2015990001092 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20170802 Registration number: 2015990001092 Pledgor after: Liaoning Yifa Chenglin Urban Construction Engineering Co.,Ltd. Pledgor before: LIAONING MOUNTAIN & WATER LANDSCAPE CO.,LTD. |
|
| PM01 | Change of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Prestressed anchor for ecologically restoring side slopes and rock masses Effective date of registration: 20170824 Granted publication date: 20130320 Pledgee: Sino Hong joint financing Company limited by guarantee Pledgor: Liaoning Yifa Chenglin Urban Construction Engineering Co.,Ltd. Registration number: 2017990000791 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190628 Granted publication date: 20130320 Pledgee: Sino Hong joint financing Company limited by guarantee Pledgor: Liaoning Yifa Chenglin Urban Construction Engineering Co.,Ltd. Registration number: 2017990000791 |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 110000 No. 5-2, Shiji Road, Hunnan District, Shenyang City, Liaoning Province (17a04) Patentee after: Liaoning Yifa Chenglin Ecological Technology Co.,Ltd. Address before: 110179 No. 5-2, Shiji Road, Hunnan New District, Shenyang, Liaoning Patentee before: Liaoning Yifa Chenglin Urban Construction Engineering Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |
|
| CX01 | Expiry of patent term |