CN208346815U - A kind of anchor cable with shock resistance - Google Patents
A kind of anchor cable with shock resistance Download PDFInfo
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- CN208346815U CN208346815U CN201820983830.4U CN201820983830U CN208346815U CN 208346815 U CN208346815 U CN 208346815U CN 201820983830 U CN201820983830 U CN 201820983830U CN 208346815 U CN208346815 U CN 208346815U
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- cable body
- elastic component
- loading plate
- cable
- sliding blocks
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Abstract
The utility model discloses a kind of anchor cables with shock resistance, the structure design principle combined using similar jack with elastic component, including the cable body made of steel strand wires and it is located on cable body for allowing the pressure device that allows of pressure, pressure device is allowed to include bottom plate, guide rail, two sliding blocks, two connecting rods, elastic component, loading plate and limited block；The compression elasticity of elastic component and the prestressing force of cable body are adapted, when cable body tension, the loading plate moves down, and elastic component is pressurized, and two sliding blocks are mobile towards the mutually separate direction of the two, namely the deflection of cable body tension can change with the variation of rock mass deformation amount, its deflection is larger, and bearing capacity is high, can satisfy the use needs of country rock large deformation, and have the characteristics that structure is simple, at low cost, maintenance resistance is stable and practical for a long time, it is suitable for popularization and application.
Description
Technical field
The utility model relates to anchorage cable anchoring technical field of structures, specifically a kind of anchor cable with shock resistance.
Background technique
By drilling through soft stratum or sliding surface, one end (anchor pole) is anchored in hard rock stratum and (claims Inner bolt head),
Then tensioning is carried out in another free end (claiming outer anchor head), unstable rock mass is anchored to apply pressure to rock stratum,
This method claims prestress anchorage cable, abbreviation anchor cable.Anchor cable is as permanent work and concealed work, side slope and unstable rock mass
Play important reinforcement effect.The loading characteristic of anchoring is that the deformation of anchor cable must mutually be coordinated with the deformation of Rock And Soil, such as rock
Deflection be more than maximum deformation quantity that anchor cable allows, anchor cable can be pulled off.
Surrender anchor pole or anchor cable device are that one kind can maintain scheduled anchor force but also form certain " deformation " amount to disappear
Except vibration energy or the anchor pole or anchor cable of adaptive deformation, also referred to as surrender anchor pole (rope), constant-resistance deforms anchor pole (rope), pressure-relieving achor bar
(rope).Surrender anchor pole is commonly used in geotechnical engineering or anchor cable device is used for deep formation rock burst or large deformation, geotechnical slope and foundation pit
Deformation control etc., surrender the whole stress of anchor pole or anchor cable device seemingly " bullet modeling " property.When the deflection of rock mass
When the pulling force of anchor pole or anchor cable being made to be more than design yield force, anchor bar body or anchor cable between grouted part and outer anchoring section are known from experience
The tension test that automatic " elongation " erect image does steel in the case where keeping pulling force constant is the same, and tensile stress reaches yield limit, draws
Power is constant, and the body of rod increases.
Authorization Notice No. is that the patent of invention of 104846822 B of CN discloses a kind of surrender anchor cable, including cable body and allows pressure
Mechanism allows press mechanism to include inner cylinder body, outer cylinder body, cylinder cap, piston ring and piston rod；Inner cylinder body is hollow cylinder, and cylinder cap is set
There are centre bore and the rod aperture with piston rod cooperation, cable body is from the hollow part of inner cylinder body and the centre bore of cylinder cap passes through and and piston
Bar linkage；Inner cylinder body, the working chamber of outer cylinder body and cylinder cap Formation cross-section in a ring, piston ring are located in working chamber, piston ring
Top is connected at least two piston rods, is equipped with compressed media between bottom and working chamber bottom, and piston rod is pierced by simultaneously from rod aperture
It can be moved under the drive of cable body；The bottom of inner cylinder body is equipped with pressure release passage, and being equipped in pressure release passage can be according to preset pressure
The safety valve that value is automatically turned on and closed；The surrender anchor cable of the invention, the deflection allowed is larger, and bearing capacity is high, Neng Gouman
Boll of foot girth rock large deformation needs.
But the surrender anchor cable of above-mentioned technical proposal exists: press mechanism being allowed to use the structural principle of piston cylinder pressure, structure
More complicated, relatively high to manufacture production and the requirement of mounting process, cost is also higher；Meanwhile compressed media be easy by
The influence of outside air temperature, such as under high temperature or low temperature condition, the temperature variation characteristic of compressed media and then make allows press mechanism stress
Variation is generated, resistance cannot be constant, and then is unsuitable for permanently being exposed under natural environment；In addition, cylinder body and dress compressed media
The Seal Kit of cavity be easy with prolonged to maintain, and generate aging etc. that situation cannot be fully sealed, and then make medium
It leaks, allows the use function of pressure to need to be unable to maintain that, the practicality is not high.
Utility model content
In order to solve the above technical problems, being adopted the purpose of this utility model is to provide a kind of anchor cable with shock resistance
The structure design principle combined with similar jack with elastic component, structure is simple, and deflection is larger, and bearing capacity is high, long
Time maintains resistance to stablize, and can satisfy the use needs of country rock large deformation.
In order to achieve the above objectives, the technical solution of the utility model is as follows:
A kind of anchor cable with shock resistance including the cable body made of steel strand wires and is located on cable body for allowing pressure
Allow pressure device, it is described that pressure device is allowed to include bottom plate, guide rail, two sliding blocks, two connecting rods, elastic component, loading plate and limited block；
The center of the bottom plate, guide rail and loading plate is provided with the through-hole passed through for cable body, described two sliding blocks with
Guide rail is slidably connected, and two sliding blocks are in the two sides for being symmetrically set in through-hole, one end of described two connecting rods respectively with two sliding blocks
Rotation connection, the other end are rotatablely connected with loading plate, and the elastic component is set on cable body, and the upper end and lower end of elastic component
It is connect respectively with the upper surface of the lower surface of loading plate and guide rail, the limited block is installed in the outer end of cable body, and limited block
It is pressed on loading plate upper surface；
The compression elasticity of the elastic component and the prestressing force of cable body are adapted, and when cable body tension, the loading plate is downward
Mobile, elastic component is pressurized, and two sliding blocks are mobile towards the mutually separate direction of the two.
Further, the both lateral sides of the sliding block are equipped with convex block, and is connected between the adjacent projections of two sliding blocks
One spring.
Further, further include the block that guide rail longitudinal direction both ends are set, connected between the block and adjacent sliding block
There is second spring.
Further, the elastic component is pressure spring or disc spring.
Further, the connecting pin of described two connecting rods and loading plate is located at the two sides of through-hole, and with the middle line pair of through-hole
Claim setting.
Further, multiple baffle rings for stopping Anchor Agent to flow out are equipped in the peripheral part spacing of the anchoring section of cable body.
The utility model has the beneficial effects that
The structure design principle that the technical program uses similar jack to combine with elastic component, including be made of steel strand wires
Cable body and be located on cable body for allowing the pressure device that allows of pressure, allow pressure device to include bottom plate, guide rail, two sliding blocks, two companies
Bar, elastic component, loading plate and limited block；The compression elasticity of elastic component and the prestressing force of cable body are adapted, when cable body tension,
The loading plate moves down, and elastic component is pressurized, two sliding blocks the direction movement namely the change of cable body tension mutually separate towards the two
Shape amount can change with the variation of rock mass deformation amount, and deflection is larger, and bearing capacity is high, can satisfy making for country rock large deformation
With needs, and have the characteristics that structure it is simple, it is at low cost, maintain resistance stable and practical for a long time, be suitable for popularization and application.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view of the anchor cable with shock resistance of the utility model；
Fig. 2 is the first spring mounting structure schematic diagram of the utility model；
Fig. 3 is the second spring mounting structure schematic diagram of the utility model.
Specific embodiment
It is practical to this below in conjunction with attached drawing for the purpose of this utility model, technical solution and advantage is more clearly understood
It is novel to be described in further detail.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
In the description of the present application, it is to be understood that the orientation of the instructions such as term " on ", "lower", " transverse direction ", " longitudinal direction "
Or positional relationship is to be merely for convenience of description the utility model based on attached orientation or positional relationship shown in FIG. 1 and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.
As shown in Figure 1-3, a kind of anchor cable with shock resistance, including the cable body 1 made of steel strand wires and it is located at rope
Pressure device 2 is allowed for allow pressure on body, according to the existing common knowledge of anchor cable it is found that anchor cable may include for free segment, Anchoring part
With outer anchor section, Anchoring part is located inside rock mass, and outer anchor section is located at outside rock mass, intermediate to be connected by free segment, can from above
Know, pressure device is allowed to be located at outer anchor section, understands and reality in addition, form is made in the steel strand wires of cable body in combination with existing mature technology
It is existing, it does not repeat herein；It is described that pressure device is allowed to include bottom plate 21,22, two, the guide rail connecting rod 24 of sliding block 23, two, elastic component 25,
Loading plate 26 and limited block 27；
The center of the bottom plate, guide rail and loading plate is provided with the through-hole 28 passed through for cable body, by illustrating it is found that rope
Body is each passed through bottom plate, guide rail and loading plate by through-hole in vertical, and bottom plate is installed in the surface of rock mass, plays the branch to guide rail
Make use, guide rail can be used welding, be bolted etc., and usual manners are connect with bottom plate, and described two sliding blocks and guide rail sliding connect
It connects, and two sliding blocks are in the two sides for being symmetrically set in through-hole, one end of described two connecting rods is rotatablely connected with two sliding blocks respectively, separately
One end is rotatablely connected with loading plate, and the elastic component is set on cable body, and the upper end of elastic component and lower end respectively with carrying
The lower surface of plate and the upper surface connection of guide rail, the limited block is installed in the outer end of cable body, and limited block is pressed on carrying
Plate upper surface, the elastic component are preferably pressure spring or disc spring, and pressure spring is conventional mechanical springs, can meet design function need
It wants, the bearing capacity of disc spring is higher, can specifically be set according to actual needs；
The compression elasticity of the elastic component and the prestressing force of cable body are adapted, and when cable body tension, the loading plate is downward
Mobile, elastic component is pressurized, and two sliding blocks are mobile towards the mutually separate direction of the two.
From the anchor cable with shock resistance of above-mentioned technical proposal:
When normal condition, the outer end of cable body is fixed by limited block and is pressed on loading plate, and cable body has the pre- of installation
Stress, the compression of elastic component carried plate, when rock mass is impacted or influenced because of external force factors such as earthquakes, the elastic force of elastic component can be played
Good deflection or displacement absorption, make the more stable safety of the anchoring of anchor cable, when rock mass deform or generate it is larger
Deflection when namely loading plate surpassed that rock mass internal direction is mobile, and elastic component is pressurized and deformation retract, two cunnings at this time by tension and compression
Block surpasses the mutually separate direction movement of the two respectively, changes with the deflection of rock mass to realize anchor cable and synchronizes variation, elasticity
The elastic force design parameter of part can specifically be set according to the prestressing force and compression travel of cable body, and structure is simple, elastic component by
The variation influence of natural environment or temperature is smaller, even if being also conveniently replaced by other factors destruction, manufacture and use cost
Lower, installation or removal also facilitate.
As shown in Fig. 2, as a kind of preferred technical solution, the both lateral sides of the sliding block are equipped with convex block 231, two
The first spring 29 is connected between the adjacent projections of sliding block, the first spring is tension spring, when two sliding blocks are mutually separate towards the two
Direction it is mobile when, the elasticity that two the first springs can play the role of hinders or drawing, can be used in combination with elastic component, with reduction
The bearing capacity of elastic component, to reduce the compression elasticity parameter of elastic component.
As shown in figure 3, further including the block 221 that guide rail longitudinal direction both ends are arranged in, institute as a kind of preferred technical solution
It states and is connected with second spring 30 between block and adjacent sliding block, block may also function as the range restriction effect to sliding block,
Second spring is pressure spring, can play the role of hindering the elasticity that sliding block slides, setting second spring is similar with the first spring.
As a kind of preferred technical solution, the connecting pin of described two connecting rods and loading plate is located at the through-hole on loading plate
Two sides, and with the middle line of through-hole be symmetrical arranged, with guarantee loading plate uniform force and two sliding blocks connecting rod act on
Under gearing consistency.
As a kind of preferred technical solution, it is equipped in the peripheral part spacing of the anchoring section of cable body multiple for stopping anchoring
Agent outflow baffle ring 11, the outer diameter of baffle ring is slightly less than the internal diameter of drilling, to guarantee going deep into for baffle ring, it will be understood that, baffle ring with
Cable body is coaxial arrangement, and Anchor Agent can be effectively prevent to flow out before solidification from jewel hole.
Above explanation and examples are merely exemplary, does not constitute any restrictions to the scope of the utility model.This
Field technical staff should be understood that can be to utility model technical side under the spirit and scope without departing from the utility model
The details and form of case are modified or are replaced, but these modifications and replacement are each fallen in the protection scope of the utility model.
Claims (6)
1. a kind of anchor cable with shock resistance, including the cable body made of steel strand wires (1) and it is located on cable body for allowing pressure
Allow pressure device (2), it is characterised in that: it is described that pressure device is allowed to include bottom plate (21), guide rail (22), two sliding blocks (23), two
Connecting rod (24), elastic component (25), loading plate (26) and limited block (27)；
The center of the bottom plate, guide rail and loading plate is provided with the through-hole (28) passed through for cable body, described two sliding blocks with
Guide rail is slidably connected, and two sliding blocks are in the two sides for being symmetrically set in through-hole, one end of described two connecting rods respectively with two sliding blocks
Rotation connection, the other end are rotatablely connected with loading plate, and the elastic component is set on cable body, and the upper end and lower end of elastic component
It is connect respectively with the upper surface of the lower surface of loading plate and guide rail, the limited block is installed in the outer end of cable body, and limited block
It is pressed on loading plate upper surface；
The compression elasticity of the elastic component and the prestressing force of cable body are adapted, and when cable body tension, the loading plate is moved down,
Elastic component is pressurized, and two sliding blocks are mobile towards the mutually separate direction of the two.
2. a kind of anchor cable with shock resistance according to claim 1, it is characterised in that: the both lateral sides of the sliding block
It is equipped with convex block (231), the first spring (29) is connected between the adjacent projections of two sliding blocks.
3. a kind of anchor cable with shock resistance according to claim 1, it is characterised in that: further include that setting is vertical in guide rail
To the block (221) at both ends, second spring (30) are connected between the block and adjacent sliding block.
4. a kind of anchor cable with shock resistance according to claim 1, it is characterised in that: the elastic component be pressure spring or
Disc spring.
5. a kind of anchor cable with shock resistance according to claim 1, it is characterised in that: described two connecting rods and carrying
The connecting pin of plate is located at the two sides of the through-hole on loading plate, and is symmetrical arranged with the middle line of through-hole.
6. a kind of anchor cable with shock resistance according to claim 1, it is characterised in that: cable body anchoring section it is outer
Circumference spacing is equipped with multiple baffle rings (11) for stopping Anchor Agent to flow out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820983830.4U CN208346815U (en) | 2018-06-25 | 2018-06-25 | A kind of anchor cable with shock resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820983830.4U CN208346815U (en) | 2018-06-25 | 2018-06-25 | A kind of anchor cable with shock resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208346815U true CN208346815U (en) | 2019-01-08 |
Family
ID=64881909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820983830.4U Active CN208346815U (en) | 2018-06-25 | 2018-06-25 | A kind of anchor cable with shock resistance |
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| Country | Link |
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| CN (1) | CN208346815U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004950A (en) * | 2019-05-10 | 2019-07-12 | 中国地质科学院探矿工艺研究所 | Construction method of bidirectional automatic adjustment type prestressed anchor cable |
| CN112663605A (en) * | 2020-12-17 | 2021-04-16 | 山东建筑大学 | Anchoring device, pre-stressed anchoring structure and construction method thereof |
-
2018
- 2018-06-25 CN CN201820983830.4U patent/CN208346815U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004950A (en) * | 2019-05-10 | 2019-07-12 | 中国地质科学院探矿工艺研究所 | Construction method of bidirectional automatic adjustment type prestressed anchor cable |
| CN112663605A (en) * | 2020-12-17 | 2021-04-16 | 山东建筑大学 | Anchoring device, pre-stressed anchoring structure and construction method thereof |
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