CN207437107U - A kind of pressure-release anchor cable - Google Patents
A kind of pressure-release anchor cable Download PDFInfo
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- CN207437107U CN207437107U CN201721526656.2U CN201721526656U CN207437107U CN 207437107 U CN207437107 U CN 207437107U CN 201721526656 U CN201721526656 U CN 201721526656U CN 207437107 U CN207437107 U CN 207437107U
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- anchor cable
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Abstract
The utility model is related to Roadway Support Technology field, in particular to a kind of pressure-release anchor cable.The utility model discloses a kind of pressure-release anchor cable, including cable body, steady resistance casing and screens ring.The periphery of cable body one end is fixed with one section of cable body casing.Steady resistance casing is set in outside cable body, and steady resistance casing and pallet processing are integral.Screens ring is for the engaging with steady resistance casing of cable body casing.The pressure-release anchor cable device can provide high steady resistance, big stroke yield supporting for roadway surrounding rock, suitable for large deformation, the stability control of workings subject to dy namic pressure country rock and impulsion pressure diaster prevention and control.
Description
Technical field
The utility model is related to Roadway Support Technology field, in particular to a kind of pressure-release anchor cable.
Background technology
Anchor cable is widely used in mining engineering roadway support.Its cable body is typically to be composed of more steel strand wires.It compares
Suspension roof support, supporting depth bigger, support force are stronger.
With the large scale mining of coal resources and continuing to optimize for production practice, high-strength exploitation and deep mining obtain
It is fast-developing.The dynamic pressure under high-strength exploitation of traditional cable bolting show apparent, roadway deformation acutely and deep high-ground stress,
It is often pulled off in the tunnel of country rock large deformation because the elongation percentage of anchor cable is small.Therefore it is necessary to traditional anchor cable is changed
Into achieving the effect that existing high-strength support force has larger elongation percentage again.
At present in spite of some for deep tunnel and the pressure-release anchor cable of high-strength exploitation, but more or less there are a little deficiencies,
Such as:Some utility models are difficult in terms of considering intensity towards the elongation percentage direction for improving anchor cable；Some utility models are examined
Consider use installation sleeve on cable body, supporting intensity is improved using the frictional force between constant-resistance device and sleeve, but only frictionally
The supporting power of generation slightly has deficiency, it is impossible to resist the large deformation of country rock under the influence of dynamic pressure；Joined using cutting tool and constant-resistance sleeve
It connects, cuts the active force of constant-resistance sleeve process generation to resist surrouding rock deformation, although supporting power is improved, due to connecing
Contacting surface product is small, it is difficult to realize high stable yield supporting.
To sum up, it is of the prior art to be primarily present the problem of supporting is unstable and intensity is not high.
Utility model content
The purpose of this utility model is to provide a kind of pressure-release anchor cables, utilize cable body casing, screens ring (steel ball) and steady resistance
The mechanical device of casing composition can realize that allowing for larger stroke presses branch under the stabilization resistance of setting cable body intensity 80% or so
Shield, provides a kind of high steady resistance, the yield supporting anchor cable of big stroke.Specifically, under the smaller deflection of country rock, pressure-release anchor cable
Function is identical with conventional anchor cable, can constantly increase supporting power, timely resist surrouding rock deformation.In country rock large deformation, allow and press anchor
The mechanical system of noose pipe, /V steel ball and steady resistance casing composition in rope starts to play yield supporting function, can set anchor cable
Axle power reach 80% or so of anchor cable intensity and open yield supporting function, can be realized under the conditions of high steady resistance to large deformation, dynamic
Press the yield supporting of country rock.
What the embodiment of the utility model was realized in：
Cable body, the periphery of cable body one end are fixed with one section of cable body casing；
Steady to hinder casing, the steady casing that hinders is set in outside cable body, surely hinders casing and pallet processing is integral；
And screens ring, screens ring is for the engaging with steady resistance casing of cable body casing.
The pressure-release anchor cable includes be relatively fixed the cable body in drilling, be fixed on country rock lateral ends cable body one
Duan Suoti casings and the steady resistance casing being arranged on outside cable body casing, are surely being equipped with screens ring between resistance casing and cable body casing.
It is fastened togather by the trustworthy resistance casing of the steel ball in the screens ring that is sleeved on cable body casing with cable body casing.When country rock is small
Deformation stage by the snap-in function of the extruding force between cable body casing, steel ball and steady resistance casing, just can be realized and conventional anchor
The branch protective function of Suo Xiangtong.And when large deformation occurs for country rock, the external force being applied on steady resistance casing increases, cable body casing,
Extruding force between steel ball and steady resistance casing three also increases therewith, when any one material in three reaches its plastic yielding
During the limit, with steady resistance casing the changing of the relative positions will occur for cable body casing, realize yield supporting.Here, the steady resistance casing of setting, cable body casing
Material plasticity yield limit and strength degree between steel ball three surely hinder casing minimum, cable body casing centralization, steel ball successively
It is maximum.Therefore, plastic yielding state can be initially entered by the part contacted with steel ball surely being surveyed in resistance casing, and steel ball can be axial along anchor cable
Cutting is steady to be hindered internal surface of sleeve pipe and plastic flow occurs, and the anchor cable is made to enter yield supporting state.The pressure resistance that allows of pressure-release anchor cable is
By surely hindering the gap between the structure and material yield limit of casing, steel ball and cable body casing and three and the arrangement group of steel ball
Close what is determined.Generally 80% or so that pressure resistance is allowed to be set in anchor cable intensity can be realized high steady resistance yield supporting.General gold
The plastic yielding limit for belonging to material is relatively stable, so the pressure-release anchor cable allows pressure resistance to be relatively stable.The anchor cable
Device is available to allow pressure stroke to be surely to hinder the length of casing namely the distance between the first anti-skid sheath and the second anti-skid sheath, when
So, this can be according to the feature of surrouding rock deformation, and setting needs to allow the scope of pressure, adjusts the length of steady resistance casing.When the second on-slip
Set and the first anti-skid sheath occur against when, the branch protective function of pressure-release anchor cable is again identical with conventional anchor cable.
In a kind of embodiment of the utility model：
Screens ring includes steel ball sleeve and steel ball, and the steel ball in steel ball sleeve is for cable body casing and the engaging for surely hindering casing.
In a kind of embodiment of the utility model：
The strength degree and yield limit of steel ball are respectively greater than the strength degree and yield limit of cable body casing；
The strength degree and yield limit of cable body casing are respectively greater than the strength degree and yield limit of steady resistance casing.
In a kind of embodiment of the utility model：
Cable body, cable body casing, steady resistance casing and steel ball sleeve are made of metal material.
In a kind of embodiment of the utility model：
Steady resistance casing is made with pallet integrated molding.
In a kind of embodiment of the utility model：
Formed at the exposed side opening mouth of pallet installation screens ring against inclined-plane.
In a kind of embodiment of the utility model：
Steady inner wall of the resistance casing away from pallet one end is equipped with the first anti-skid sheath；
Outer wall of the cable body casing close to pallet one end is equipped with the second anti-skid sheath, and the second anti-skid sheath is nut, passes through cable body
Being threadably mounted on cable body casing on casing outer end, and the steel when installing anchor cable by tightening nut to squeeze in screens ring
Pearl and anchor cable is made to obtain initial anchor force；
First anti-skid sheath and the second anti-skid sheath are used for the two at the end of anchor cable yield supporting stroke and lean, and prevent cable body
It is separated with pallet, cable bolting function at this time is identical with conventional anchor cable.
In a kind of embodiment of the utility model：
First anti-skid sheath and the second anti-skid sheath are made of metal material.
The technical solution of the utility model at least has the advantages that：
The utility model provides a kind of pressure-release anchor cable, utilizes cable body casing, screens ring (steel ball) and steady resistance casing composition
Mechanical device can realize the yield supporting of larger stroke under the stabilization resistance of setting cable body intensity 80% or so, provide one
The high steady resistance of kind, the yield supporting anchor cable of big stroke.When surrouding rock deformation is smaller, the function of pressure-release anchor cable is identical with conventional anchor cable,
Supporting power can constantly be increased, resist surrouding rock deformation in time.In country rock large deformation, noose pipe, /V steel ball in pressure-release anchor cable
Start to play yield supporting function with the mechanical system of steady resistance casing composition, the axle power for setting anchor cable reaches the 80% of anchor cable intensity
Yield supporting function is opened in left and right, and the yield supporting to large deformation, dynamic pressure country rock can be realized under the conditions of high steady resistance.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structure diagram of pressure-release anchor cable in the utility model embodiment；
Fig. 2 is the enlarged diagram at II in Fig. 1；
Fig. 3 is cable body structure diagram in the utility model embodiment；
Fig. 4 is the structure diagram of anchoring section in the utility model embodiment.
Icon：200- pressure-release anchor cables；210- cable bodies；220- surely hinders casing；230- screens rings；211- cable body casings；212-
Second anti-skid sheath；221- pallets；222- is against inclined-plane；The first anti-skid sheaths of 223-；231- steel ball sleeves；232- steel balls；300- tunnels
Country rock；310- anchoring sections.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can configure to arrange and design with a variety of.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the utility model embodiment, it is necessary to explanation, term " interior ", " under " etc. the orientation of instructions or
Position relationship be based on orientation shown in the drawings or position relationship or the utility model product using when the side usually put
Position or position relationship are for only for ease of description the utility model and simplify description rather than instruction or imply signified device
Or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the utility model
Limitation.In addition, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
In the description of the utility model embodiment, it is also necessary to explanation, unless otherwise clearly defined and limited,
Term " setting ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；It can be mechanical connection, can be directly connected, can also be indirectly connected by intermediary, can be two elements
Internal connection.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood in the utility model
In concrete meaning.
Embodiment
The utility model provides a kind of pressure-release anchor cable 200, the cable body which is designed using the utility model
The mechanical device that casing 211, screens ring 230 and steady resistance casing 220 form, realizes yield supporting function, can be suitably used for tunnel and enclose
Stability control under 300 large deformation of rock, dynamic pressure state has high steady resistance, big stroke yield supporting performance.
It please refers to Fig.1 and Fig. 2, Fig. 1 and Fig. 2 shows the concrete structure of the pressure-release anchor cable 200 provided in embodiment.
As can be seen that the pressure-release anchor cable 200 includes cable body 210, steady resistance casing 220 and screens ring from Fig. 1 and Fig. 2
230。
Wherein, cable body 210 by country rock one end periphery is fixed with one section of cable body casing 211, and is equipped with screw thread in its outer section,
For installing the second anti-skid sheath 212.
Steady resistance casing 220 is set in outside cable body casing 211, and the one end for surely hindering casing 220 is equipped with pallet 221.
Further, in the present embodiment, Fig. 2 is refer to, screens ring 230 includes steel ball sleeve 231 and steel ball 232.Screens
Ring 230 is for the steady engaging with cable body casing 211 for hindering casing 220.
It should be noted that in the state of use, the steel ball 232 in screens ring 230 is for cable body casing 211 and steady resistance
The engaging of casing 220, there are extruding force, extruding force and ropes between cable body casing 211, steel ball 232 and steady resistance 220 three of casing
Axle power in body 210 is directly proportional.When the axis in cable body 210 is smaller, three is in stuck state, the anchor cable and conventional anchor cable work(
It can be identical；When 210 axle power of cable body, which reaches, allows pressure ultimate resistance, anchor cable opens yield supporting function；When the second anti-skid sheath 212 with
First anti-skid sheath 223 against when, it is identical with conventional anchor cable that anchor cable yield supporting stroke terminates branch protective function thereafter.
The pressure-release anchor cable 200 includes the cable body 210 being relatively fixed in drilling, is fixed on close to country rock lateral ends cable body
One section of cable body casing 211 on 210 and the steady resistance casing 220 being arranged on outside cable body casing 211, in surely resistance casing 220 and rope
Screens ring 230 is equipped between body casing 211.It is trustworthy by covering the steel ball 232 in the whole screens ring 230 on cable body casing 211
Resistance casing 220 is fastened togather with cable body casing 211.When country rock is in the small deformation stage, by cable body casing 211, steel ball 232 with
And the snap-in function of the extruding force between steady resistance casing 220, it just can realize the branch protective function identical with conventional anchor cable.And work as country rock
During generation large deformation, the external force being applied on steady resistance casing 220 increases, cable body casing 211, steel ball 232 and steady resistance casing 220
Extruding force between three also increases therewith, when any one material in three reaches its plastic yielding limit, cable body set
With steady resistance casing 220 changing of the relative positions will occur for pipe 211, realize yield supporting.Here, the steady resistance casing 220 of setting, cable body casing 211
Material plasticity yield limit and strength degree between 232 three of steel ball surely hinder 220 minimum of casing, cable body casing 211 successively
Between two parties, steel ball 232 is maximum.Therefore, plastic yielding shape can be initially entered by surely surveying the part contacted with steel ball 232 in resistance casing 220
State, steel ball 232 can occur plastic flow along axially cutting steady resistance 220 inner wall of casing of anchor cable, the anchor cable made to enter yield supporting
State.Pressure-release anchor cable 200 allow pressure resistance to be bent by the structure and material for surely hindering casing 220, steel ball 232 and cable body casing 211
Take what the permutation and combination of the gap between the limit and three and steel ball 232 was determined.It generally can be pressure resistance be allowed to be set in anchor
80% or so of Suo Qiangdu realizes high steady resistance yield supporting.The plastic yielding limit of common metal material is relatively stable, institute
With the pressure-release anchor cable 200 pressure resistance is allowed to be relatively stable.The anchor cable device is available to allow pressure stroke to be steady resistance casing 220
Length namely the distance between the first anti-skid sheath 223 and the second anti-skid sheath 212, certainly, this can be according to the spy of surrouding rock deformation
Sign, setting need to allow the scope of pressure, adjust the length of steady resistance casing 220.When the second anti-skid sheath 212 and the first anti-skid sheath 223 are sent out
It is raw against when, the branch protective function for allowing anchor cable is again identical with conventional anchor cable.
It should be noted that refer to Fig. 3, the cable body 210 of the pressure-release anchor cable 200 is composed of multiply steel strand wires.And
And in the present embodiment, cable body 210 forms for seven strands of steel strand wires.In addition, in order to improve cable body casing 211 solid with cable body 210
The bonding strength of timing, therefore the inwall processing in cable body casing 211 has the structure that matches with steel strand wires, the structure can be with
Steel strand wires matching thread.And screw thread is formed in the segmentum laterale of cable body casing 211, the second anti-skid sheath 212 can be installed.
Secondly, which includes pallet 221, and pallet 221 is oppositely arranged on steady resistance casing 220 with screens ring 230
One end, and the country rock external with drilling is bonded, when country rock deforms, deform caused by external force can be applied to support
On disk 221, and the steady resistance casing 220 of the pressure-release anchor cable 200 under the drive of pallet 221, is possessed along pressure-release anchor cable 200
The trend of axis movement.And when setting pallet 221, integrally formed manufacture may be employed with steady resistance casing 220 in pallet 221
Mode.
In addition, in the present embodiment, in order to improve the overall performance of the pressure-release anchor cable 200, improve the stability of supporting with
And intensity, therefore metal material manufacture can be used in the structure member of the pressure-release anchor cable 200.Especially cable body casing 211, steady resistance set
Pipe 220 and steel ball 232 are made of metal material.
Further, in the present embodiment, the strength degree of steel ball 232 and yield limit are more than the strong of cable body casing 211
The limit and yield limit are spent, the strength degree and yield limit of cable body casing 211 are more than the strength degree of steady resistance casing 220 and bend
Take the limit.As a result, among cable body casing 211, steel ball sleeve 231 and steady resistance casing 220, the steady strength degree for hindering casing 220
And yield limit is minimum, therefore when external force gradually increases, the steady casing 220 that hinders can occur at first with 232 contact position of steel ball
Plastic yielding deforms.
Specifically, it in the present embodiment, when large deformation occurs for roadway surrounding rock 300, is applied on steady resistance casing 220
External force increases so that the extruding force between cable body casing 211, steel ball 232 and steady resistance 220 three of casing increases, when more than steady resistance
During 220 yield limit of casing, because surely the yield limit of resistance casing 220 is minimum, on the inside of tube wall and 232 contact position of steel ball
Yield spread deformation state will be initially entered, steel ball 232 can survey sliding along steady resistance casing 220, enter the pressure-release anchor cable 200
Yield supporting state.
Steady resistance casing 220 (or pallet 221) and the junction of screens ring 230 are formed against inclined-plane 222.For screens ring
230 engaging cable body casings 211 and initial stage during steady resistance casing 220 are chimeric (installation), make its engaging into an entirety.
It is steady to hinder inner wall of the casing 220 away from 221 one end of pallet to prevent pressure-release anchor cable 200 from coming off during use
Upper and cable body casing 211 is respectively equipped with the first anti-skid sheath 223 and the second anti-skid sheath 212 on the outer wall of 221 one end of pallet.The
One anti-skid sheath 223 is used for after in surely 220 inner wall contact position of resistance casing plasticity shearing slip occurs for screens steel ball 232 and cable body casing
The second anti-skid sheath 212 on 211 against, to play at the end of yield supporting, continue to make pressure-release anchor cable 200 remain one it is whole
Body makes it have the branch protective function of conventional anchor cable.And the first anti-skid sheath 223 and the second anti-skid sheath 212 are made of metal material.
It refer to Fig. 4 and combine Fig. 1-3, the operation principle of the pressure-release anchor cable 200 is：
First, then the cable body 210 configured is inserted into drilling, utilizes Anchor Agent by the drilling in roadway surrounding rock 300
It is anchored, forms anchoring section 310.
Then, it will surely hinder on the dead cable body casing 211 of 220 sets of casing, be installed in drilling, pallet 221 is exposed at country rock side, by
Screens ring 230 is embedded at the intermediate incline of 221 exposed mouth of pallet, the position of fixed cable body 210 and steady resistance casing 220.
It most closes, tightens the second anti-skid sheath 212 (nut), squeeze the steel ball 232 in screens ring 230, produce pressure-release anchor cable 200
Raw just anchor-hold.
The yield limit and strength degree of 232 material of steel ball are more than steady resistance casing 220 and cable body casing 211, surely hinder casing
The yield limit and strength degree of 220 materials are less than the yield limit and strength degree of 211 material of cable body casing, so as to which three exists
So that surely plastic yielding deformation occurs first for the inner wall of resistance casing 220 in the case that contact acts power, screens steel ball 232 is sent out
Raw plasticity shear flow.
Specifically, when country rock occurs small deformation or has the trend of deformation, contact force is small, insufficient for steady resistance casing
220 generate plastic yielding.As country rock further deforms, contact force constantly increases, when the yield limit for reaching steady resistance casing 220
When, it will occur to stablize plasticity shear flow in steel ball 232 and tube wall contact position, that is, start yield supporting.Due to metal material
Plastic yielding flow deformation is more constant, and therefore, which can provide the stable pressure resistance that allows.Due to
The device allows what pressure resistance size was determined by the material and structure that form the device, so it can be set the pressure limit is allowed to hinder
Power is 80% or so of 210 intensity of cable body, realizes high steady resistance yield supporting.The stroke of the device yield supporting is by the first anti-skid sheath
223 and second mounting distance between anti-skid sheath 212 determined.Therefore, deformed according to different mining areas, different roadway surrounding rocks 300
Difference requirement can adjust the stroke of yield supporting.
To sum up, the utility model is in control 300 large deformation of roadway surrounding rock, dynamic pressure, by using the cable body of Patent design
The mechanical device of casing 211, steel ball 232 and steady resistance casing 220 three composition, the system have the function of yield supporting.It also, should
Pressure-release anchor cable 200 has high steady resistance, the feature of big stroke yield supporting, to controlling the stabilization of high-ground stress complex surrounding rock large deformation
Property and prevent impulsion pressure accident from having positive effect.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modifications, equivalent replacements and improvements are made should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of pressure-release anchor cable, which is characterized in that including：
Cable body, the periphery of described cable body one end are fixed with one section of cable body casing；
Steady resistance casing, the steady resistance casing are set in outside the cable body, and the steady resistance casing is processed integral with pallet；
And screens ring, the screens ring is for cable body casing engaging with the steady resistance casing.
2. pressure-release anchor cable according to claim 1, it is characterised in that：
The screens ring includes steel ball sleeve and steel ball, and the steel ball in the steel ball sleeve covers for the cable body casing and the steady resistance
The engaging of pipe.
3. pressure-release anchor cable according to claim 2, it is characterised in that：
The strength degree and yield limit of the steel ball are respectively greater than the strength degree and yield limit of the cable body casing；
The strength degree and yield limit of the cable body casing are respectively greater than the strength degree and yield limit of the steady resistance casing.
4. pressure-release anchor cable according to claim 2, it is characterised in that：
The cable body, the cable body casing, the steady resistance casing and the steel ball sleeve are made of metal material.
5. pressure-release anchor cable according to claim 1, it is characterised in that：
The steady resistance casing is made with pallet integrated molding.
6. pressure-release anchor cable according to claim 5, it is characterised in that：
Formed at the exposed side opening mouth of pallet installation screens ring against inclined-plane.
7. pressure-release anchor cable according to claim 1, it is characterised in that：
The steady inner wall of the resistance casing away from described pallet one end is equipped with the first anti-skid sheath；
Outer wall of the cable body casing close to described pallet one end is equipped with the second anti-skid sheath, and second anti-skid sheath is nut,
By being threadably mounted on cable body casing on the cable body casing outer end, and when installing the anchor cable by tightening the spiral shell
Mother makes anchor cable obtain initial anchor force to squeeze the steel ball in the screens ring；
First anti-skid sheath and second anti-skid sheath are used for the two at the end of the anchor cable yield supporting stroke and lean,
Cable body is prevented to be separated with pallet, cable bolting function at this time is identical with conventional anchor cable.
8. pressure-release anchor cable according to claim 7, it is characterised in that：
First anti-skid sheath and second anti-skid sheath are made of metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721526656.2U CN207437107U (en) | 2017-11-14 | 2017-11-14 | A kind of pressure-release anchor cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721526656.2U CN207437107U (en) | 2017-11-14 | 2017-11-14 | A kind of pressure-release anchor cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207437107U true CN207437107U (en) | 2018-06-01 |
Family
ID=62289782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721526656.2U Active CN207437107U (en) | 2017-11-14 | 2017-11-14 | A kind of pressure-release anchor cable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740702A (en) * | 2017-11-14 | 2018-02-27 | 缪协兴 | A kind of pressure-release anchor cable |
| CN109915188A (en) * | 2019-04-16 | 2019-06-21 | 中国矿业大学 | A kind of high-strength surely hinder detachable pushes back half davit and wall rock deformation monitoring method |
| CN110952577A (en) * | 2019-12-23 | 2020-04-03 | 攀钢集团工程技术有限公司 | Auxiliary mounting device for anchor rod |
| CN111456779A (en) * | 2020-04-13 | 2020-07-28 | 中国矿业大学 | Impact-resistant energy-absorbing yielding anchor cable anchoring device and method thereof |
-
2017
- 2017-11-14 CN CN201721526656.2U patent/CN207437107U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740702A (en) * | 2017-11-14 | 2018-02-27 | 缪协兴 | A kind of pressure-release anchor cable |
| CN109915188A (en) * | 2019-04-16 | 2019-06-21 | 中国矿业大学 | A kind of high-strength surely hinder detachable pushes back half davit and wall rock deformation monitoring method |
| CN110952577A (en) * | 2019-12-23 | 2020-04-03 | 攀钢集团工程技术有限公司 | Auxiliary mounting device for anchor rod |
| CN111456779A (en) * | 2020-04-13 | 2020-07-28 | 中国矿业大学 | Impact-resistant energy-absorbing yielding anchor cable anchoring device and method thereof |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211119 Address after: 210000 2001, building 24, Zhongke innovation Plaza, No.150, pubin Road, Jiangbei new district, Nanjing City, Jiangsu Province Patentee after: Jiangsu Zhengxing Mining Technology Development Co., Ltd Address before: 221000 Room 501, unit 2, Building 29, East dormitory, China University of mining and technology, Quanshan District, Xuzhou City, Jiangsu Province Patentee before: Miao Xiexing |
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| TR01 | Transfer of patent right |