CN209855836U - Anticorrosive high-strength grouting steel cable - Google Patents
Anticorrosive high-strength grouting steel cable Download PDFInfo
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- CN209855836U CN209855836U CN201920711376.1U CN201920711376U CN209855836U CN 209855836 U CN209855836 U CN 209855836U CN 201920711376 U CN201920711376 U CN 201920711376U CN 209855836 U CN209855836 U CN 209855836U
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Abstract
The utility model discloses an anticorrosive high-strength grouting steel cable includes: the hollow anchor body is internally provided with a first grouting channel for slurry to pass through, the anchor body wall of the hollow anchor body is of a hollow structure, the top of the hollow anchor body is provided with an opening communicated with an internal cavity of the hollow anchor body, the opening and the internal cavity of the anchor body wall form a grouting ventilation channel, the bottom end of the anchor body wall is provided with a plurality of ventilation holes communicated with the grouting ventilation channel, and the inner side of the anchor body wall is provided with a slurry opening communicated with the grouting ventilation channel; the bottom end of the self-advancing drill bit is communicated with the top end of the hollow anchor body; the fixed grout stopping part is fixedly connected with the bottom end of the hollow anchor body; and anchor cable bundles. The utility model discloses a settlement of the anchor body wall of the cavity anchor body to make during gaseous can get into the slip casting passageway of ventilating by the opening, discharge by the air vent of slip casting passageway of ventilating afterwards, so set up the exhaust effect that has increased the cavity anchor rope by a wide margin, the slip casting effect is good.
Description
Technical Field
The utility model relates to a geotechnical engineering anchor technical field especially relates to an anticorrosive high-strength slip casting cable wire.
Background
In the process of underground engineering, mine roadways, foundation pits and slope engineering related to geotechnical engineering, in order to prevent the stratum from deforming and collapsing or destabilizing to endanger safety, a main supporting mode for reinforcing the stratum adopts an anchor body. The integral stability of the stratum is improved by strengthening the stratum in a mode of high-strength tensile resistance of the anchor body arranged in the stratum and compact combination between the anchor body and the grouting body around the anchor body and the stratum, so that the deformation of the stratum is controlled to achieve a stable state.
In the prior art, most grouting anchor bodies are mortar anchor bodies and hollow anchor cables, and the hollow anchor cables are widely used due to the fact that the hollow anchor cables are convenient to use and strong in anchoring force. However, when the hollow grouting anchor body is used, the technical problems of the prior art are at least found out as follows:
1) when the hollow grouting anchor body in the prior art is used, a large amount of air is contained in a grouting hole due to poor air exhaust effect, so that the grouting effect is poor, and the anchoring force is influenced;
2) most of the existing grouting anchor bodies are not designed with corrosion resistance, and after the grouting anchor bodies are used for a long time, the anchor bodies are easily damaged by corrosion, so that dangerous situations are caused.
Therefore, it is necessary to provide a new anticorrosion hollow grouting anchor body to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an anticorrosive high-strength grouting steel cable, its exhaust effect is good, and the anchor power is strong to anticorrosive function is strong.
The utility model provides an anticorrosive high-strength grouting steel cable, include:
a hollow anchor body 100, a first grouting channel 101 for the passage of grout is arranged in the hollow anchor body 100, when in use, the grouting machine is communicated with one end of the first grouting channel 101, the grout enters the first grouting channel 101 from the grouting machine, the anchor body wall of the hollow anchor body 100 is of a hollow structure, the top of the anchor body is provided with an opening 102 leading into the inner cavity of the anchor body, the grout enters the hollow anchor body 100 from the bottom end of the first grouting channel 101, the air in the hollow anchor body 100 enters the grouting ventilation channel 103 in the hollow anchor body wall from the opening 102 and then is discharged, the opening 102 and the inner cavity of the anchor body wall form a grouting ventilation channel 103, the bottom end of the anchor body wall is provided with a plurality of ventilation holes leading into the grouting ventilation channel 103, the air is discharged from the ventilation holes, the inner side of the anchor body wall is provided with a grouting ventilation hole 104 leading into the grouting ventilation channel 103, and the grout can better enter the grouting ventilation channel 103 in the grouting process, the outer side of the anchor body wall is provided with a grouting hole 105 communicated with a grouting ventilation channel 103, during grouting, grout is sprayed into a rock gap from the grouting hole 105, the inner side and the outer side of the anchor body wall of the hollow anchor body 100 are both provided with an anticorrosive coating, the anticorrosive coating can be an anticorrosive coating which is made of common anticorrosive materials on the market, and can also be an anticorrosive coating made of multiple layers of anticorrosive materials, and the application is not limited herein;
a self-advancing drill bit 200, the bottom end of the self-advancing drill bit 200 being in communication with the top end of the hollow anchor body 100, the self-advancing drill bit 200 being common in the prior art and the structure thereof being omitted herein; and
a fixed grout stopping part 300, wherein the fixed part 300 is fixedly connected with the bottom end of the hollow anchor body 300, the fixed grout stopping part 300 is used for anchoring the hollow anchor body 100, one end of the fixed grout stopping part 300 is communicated with a grouting machine, and grout enters the first grouting channel 101 of the hollow anchor body 100 from the fixed grout stopping part 300; and
and an anchor cable bundle 500, wherein the anchor cable bundle 500 is wrapped around the hollow anchor body 100 to form an inclusion, the inclusion is disposed through the grout stop portion 300, and the hollow anchor body 100 and the grout stop portion 300 are mutually squeezed to form an anchoring force of the anchor cable bundle 500.
In an embodiment of the present invention, the fixed grout stop portion 300 comprises:
a backing plate 301; and
the nut 302 is provided with external threads on the outer side of the hollow anchor body 100, the bottom end of the hollow anchor body 100 penetrates through the backing plate 301, the internal threads of the nut 302 are matched with the external threads arranged on the outer side of the hollow anchor body 100 to form a screw pair, and when the nut 302 is used, the backing plate 301 is fixed on surrounding rocks by rotating the nut 302; and
and a grout stop plug 303, wherein the outer diameter of the grout stop plug 303 is equal to the inner diameter of the bottom end of the hollow anchor body 100, and the bottom end face of the hollow anchor body 100 is plugged.
In another embodiment of the present invention, the fixed grout stop 300 comprises:
a rotary seal 310 rotatably coupled at a top end thereof to a bottom end of the hollow anchor body 100 (said rotatable coupling being conventional in the art), the rotary seal 310 comprising:
a communication pipe 311, one end of which 311 penetrates the bottom end of the hollow anchor body 100 and is rotatably connected thereto, an
A sealing gasket 312, the outer diameter of the sealing gasket 312 is larger than that of the hollow anchor body 100, a plurality of sealing air holes 3121 are opened on the sealing gasket 312 corresponding to the air holes, when in use, the sealing air holes 3121 are sealed by rotating the sealing gasket 312, so that the grouting air channel 103 is communicated with the outside for ventilation, and
a nut 302 having an external thread formed on the outer side of the connection pipe 311, a sealing gasket 312 penetrating the bottom end of the connection pipe 311, and a screw pair formed by the internal thread of the nut 302 and the external thread formed on the outer side of the connection pipe 311, an
And a grout stopper 303, wherein the outer diameter of the grout stopper 303 is equal to the inner diameter of the bottom end of the communication pipe 311, and the hollow anchor body 100 is sealed.
The further scheme is that at least two locking parts 400 are arranged on two sides outside the hollow anchor body 100, and the locking parts 400 are stressed to be expanded after the hollow anchor body 100 is placed in a drilled hole, so that the locking parts and the drilled hole wall are supported and fixed, and the anchoring force is increased.
In an embodiment of the present invention, the locking member 400 includes:
a locking rod 401, wherein the locking rod 401 is rotatably connected with two outer sides of the hollow anchor body 100; and
elastic component 402, this elastic component 402 one end and check lock lever 401 are close to cavity anchor 100 one side fixed connection, and the other end and cavity anchor 100 lateral surface fixed connection, elastic component 402 provides the elastic restoring force who keeps away from cavity anchor 100, and the user presses down check lock lever 401 and puts into the hole of beating with cavity anchor rope 100, and after cavity anchor rope 100 put into the hole of beating, under the effect of elastic restoring force, check lock lever 401 is to keeping away from the direction motion of cavity anchor rope 100 to it is fixed on the pore wall to support. It should be noted that the elastic member 402 is preferably a spring, but may be other members capable of providing elastic restoring force, and the application is not limited herein.
In another embodiment of the present invention, the locking member 400 includes:
the locking base 410 is of a hollow structure, the locking base 410 is preferably of a cover-shaped structure, the bottom of the locking base 410 is provided with a locking through hole 411 communicated with the inner cavity of the locking base, the bottom of the locking base 410 is attached to the outer wall of the hollow anchor body 100, the top end of the locking base 410 is provided with a through hole, when the locking base is used, grout is sprayed out from the grouting hole 105, the grout sprayed out from the grouting hole 105 positioned below the locking base 410 enters the locking base 410, and the locking device 420 is pushed out of the locking base 410 under the action of the grout so as to be supported on the wall of the hole; and
and one end of the locking device 420 penetrates into the locking base 410 through the penetrating port, one end of the locking device 420 is positioned in the locking base 410, and one end of the locking device 420 is pushed under the action of the slurry sprayed into the locking base 410, so that the locking device 420 is continuously pushed out and supported on the hole wall.
Preferably, the locking device 420 includes:
one end of the penetrating rod 421 penetrates into the locking base 410 through a penetrating port, and one end of the penetrating rod 421 is a sharp point, so that the anchoring force can be further increased; and
the bottom plate 422 is arranged in the locking base 410, the upper surface of the bottom plate 422 is perpendicular to the penetrating rod 421, and the outer diameter of the bottom plate 422 is smaller than or equal to the inner diameter of the locking base 410.
Optionally, the corrosion protection layer comprises: the thermosetting powder coating 111 is provided with an inorganic zinc-rich layer 112 at the bottom of the thermosetting powder coating 111, and a hot-dip galvanized layer 113 is arranged at the bottom of the inorganic zinc-rich layer 112. The thermosetting powder is a novel 100% solid powdery coating without solvent, and has the characteristics of no solvent, no pollution, energy and resource saving, labor intensity reduction, high mechanical strength of the coating film and the like, the bottom of the thermosetting powder coating 201 is provided with an inorganic zinc-rich layer 202, the inorganic zinc-rich paint takes inorganic polymers (such as silicate, phosphate, dichromate and the like) as film forming substances, zinc powder reacts with the film forming substances to form a zinc-iron complex on the metal surface to form a solid protective coating film, the bottom of the inorganic zinc-rich layer 202 is provided with a hot dip galvanizing layer 203, and hot dip galvanizing has the advantages of uniform coating, strong adhesive force, long service life and the like. The arrangement of the anti-corrosion layer enables the anchor cable to reduce the possibility that the hollow anchor body 100 is easily broken due to corrosion caused by some corrosive substances contained in the geology when the anchor cable works in complex geology.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a setting of the anchor body wall of the hollow anchor body to make gas can get into the slip casting ventilation passageway by the opening, discharge by the air vent of slip casting ventilation passageway afterwards, and the thick liquid gets into the back by first slip casting passageway, and the back of getting into slip casting ventilation passageway afterwards is spouted by the slip casting hole, and the exhaust effect of hollow anchor rope has been increased by a wide margin to this setting, and the slip casting effect is good; simultaneously the utility model discloses an outside all is provided with the anticorrosive coating in the cavity anchor body, has increased substantially the anticorrosive ability of anchor body, has reduced because the anchor body that geological factor caused is impaired.
The utility model discloses an in the embodiment, fixed thick liquid portion of ending comprises backing plate, nut and the thick liquid stopper that ends, rotates the nut when using, is fixed in the backing plate on the country rock.
The utility model discloses an in another embodiment, fixed thick liquid portion of ending comprises communicating pipe, seal gasket, nut, the thick liquid stopper that ends, in this embodiment, communicating pipe and cavity anchor body bottom rotatable coupling, when the slip casting, rotary seal gasket makes sealed bleeder vent and the venthole align on it to ensure that gaseous discharge is smooth and easy, when the slip casting is ended, rotary seal gasket makes sealed bleeder vent and the venthole on it stagger, thereby with cavity anchor rope internal seal, further increase inside anticorrosive efficiency.
In another embodiment of the present invention, the locking component is configured to make the hollow anchor cable enter the drilled hole and be supported on the hole wall, so as to further increase the anchoring force.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of part A of the present invention;
fig. 3 is a schematic structural view of a fixed grout stop 300 according to embodiment 2 of the present invention;
fig. 4 is a schematic structural view of a fixed grout stop 300 according to embodiment 3 of the present invention;
fig. 5 is a schematic structural diagram of embodiment 4 of the present invention;
fig. 6 is a schematic structural diagram of embodiment 5 of the present invention;
fig. 7 is a schematic structural view of a lock member 400 according to embodiment 5 of the present invention;
fig. 8 is a schematic structural view of an anticorrosive layer according to example 6 of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
Meanwhile, in the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be configured and operated in a specific orientation, and thus, are not to be construed as limiting the present application.
In addition, in the present application, "set up", "locate" and "be provided" may be provided as a fixed connection, may also be provided as an integral body, may also be provided as a detachable fixed connection, and those skilled in the art may select a suitable setting mode according to different situations.
The present invention will be further explained with reference to the drawings and the embodiments.
Example 1
Referring to fig. 1, in the present embodiment, the utility model provides an anticorrosive high-strength grouting steel cable, including:
a hollow anchor body 100, a first grouting channel 101 for the passage of grout is arranged in the hollow anchor body 100, when in use, the grouting machine is communicated with one end of the first grouting channel 101, the grout enters the first grouting channel 101 from the grouting machine, the anchor body wall of the hollow anchor body 100 is of a hollow structure, the top of the anchor body wall is provided with an opening 102 leading into the inner cavity of the anchor body, the grout enters the hollow anchor body 100 from the bottom end of the first grouting channel 101, the air in the hollow anchor body 100 enters the grouting ventilation channel 103 in the hollow anchor body wall from the opening 102 and then is discharged, the opening 102 and the inner cavity of the anchor body wall form a grouting ventilation channel 103, please refer to fig. 2, the bottom end of the anchor body wall is provided with a plurality of ventilation holes leading into the grouting ventilation channel 103, the air is discharged from the ventilation holes, a grout port 104 leading into the grouting ventilation channel 103 is arranged on the inner side of the anchor body wall, and the grout can better enter the grouting ventilation channel 103 during the grouting process, the outer side of the anchor body wall is provided with a grouting hole 105 communicated with a grouting ventilation channel 103, during grouting, grout is sprayed into a rock gap from the grouting hole 105, the inner side and the outer side of the anchor body wall of the hollow anchor body 100 are both provided with an anticorrosive coating, the anticorrosive coating can be an anticorrosive coating which is made of common anticorrosive materials on the market, and can also be an anticorrosive coating made of multiple layers of anticorrosive materials, and the application is not limited herein;
a self-advancing drill bit 200, the bottom end of the self-advancing drill bit 200 being in communication with the top end of the hollow anchor body 100, the self-advancing drill bit 200 being common in the prior art and the structure thereof being omitted herein; and
a fixed grout stopping part 300, wherein the fixed part 300 is fixedly connected with the bottom end of the hollow anchor body 300, the fixed grout stopping part 300 is used for anchoring the hollow anchor body 100, one end of the fixed grout stopping part 300 is communicated with a grouting machine, and grout enters the first grouting channel 101 of the hollow anchor body 100 from the fixed grout stopping part 300; and
and an anchor cable bundle 500, wherein the anchor cable bundle 500 is wrapped around the hollow anchor body 100 to form an inclusion, the inclusion is disposed through the grout stop portion 300, and the hollow anchor body 100 and the grout stop portion 300 are mutually squeezed to form an anchoring force of the anchor cable bundle 500.
Example 2
Referring to fig. 3 as a preferred embodiment of embodiment 1, in this embodiment, the fixed grout stop portion 300 includes:
a backing plate 301; and
the nut 302 is provided with external threads on the outer side of the hollow anchor body 100, the bottom end of the hollow anchor body 100 penetrates through the backing plate 301, the internal threads of the nut 302 are matched with the external threads arranged on the outer side of the hollow anchor body 100 to form a screw pair, and when the nut 302 is used, the backing plate 301 is fixed on surrounding rocks by rotating the nut 302; and
and a grout stop plug 303, wherein the outer diameter of the grout stop plug 303 is equal to the inner diameter of the bottom end of the hollow anchor body 100, and the bottom end face of the hollow anchor body 100 is plugged.
Example 3
Referring to fig. 4 as a preferred embodiment of embodiment 1, in this embodiment, the fixed grout stop portion 300 includes:
a rotary seal 310 rotatably coupled at a top end thereof to a bottom end of the hollow anchor body 100 (said rotatable coupling being conventional in the art), the rotary seal 310 comprising:
a communication pipe 311, one end of which 311 penetrates the bottom end of the hollow anchor body 100 and is rotatably connected thereto, an
A sealing gasket 312, the outer diameter of the sealing gasket 312 is larger than that of the hollow anchor body 100, a plurality of sealing air holes 3121 are opened on the sealing gasket 312 corresponding to the air holes, when in use, the sealing air holes 3121 are sealed by rotating the sealing gasket 312, so that the grouting air channel 103 is communicated with the outside for ventilation, and
a nut 302 having an external thread formed on the outer side of the connection pipe 311, a sealing gasket 312 penetrating the bottom end of the connection pipe 311, and a screw pair formed by the internal thread of the nut 302 and the external thread formed on the outer side of the connection pipe 311, an
And a grout stopper 303, wherein the outer diameter of the grout stopper 303 is equal to the inner diameter of the bottom end of the communication pipe 311, and the hollow anchor body 100 is sealed.
Example 4
Referring to fig. 5, in this embodiment, at least two locking members 400 are further disposed on two sides of the hollow anchor body 100, and after the hollow anchor body 100 is placed in a drilled hole, the locking members 400 are forced to open, so as to be supported and fixed with the drilled hole wall, thereby increasing the anchoring force.
The locking member 400 includes:
a locking rod 401, wherein the locking rod 401 is rotatably connected with two outer sides of the hollow anchor body 100; and
elastic component 402, this elastic component 402 one end and check lock lever 401 are close to cavity anchor 100 one side fixed connection, and the other end and cavity anchor 100 lateral surface fixed connection, elastic component 402 provides the elastic restoring force who keeps away from cavity anchor 100, and the user presses down check lock lever 401 and puts into the hole of beating with cavity anchor rope 100, and after cavity anchor rope 100 put into the hole of beating, under the effect of elastic restoring force, check lock lever 401 is to keeping away from the direction motion of cavity anchor rope 100 to it is fixed on the pore wall to support. It should be noted that the elastic member 402 is preferably a spring, but may be other members capable of providing elastic restoring force, and the application is not limited herein.
Example 5
Referring to fig. 6, in this embodiment, at least two locking members 400 are further disposed on two sides of the hollow anchor body 100, and after the hollow anchor body 100 is placed in a drilled hole, the locking members 400 are forced to open, so as to be supported and fixed with the drilled hole wall, thereby increasing the anchoring force.
Referring to fig. 6 and 7, the locking member 400 includes:
the locking base 410 is of a hollow structure, the locking base 410 is preferably of a cover-shaped structure, the bottom of the locking base 410 is provided with a locking through hole 411 communicated with the inner cavity of the locking base, the bottom of the locking base 410 is attached to the outer wall of the hollow anchor body 100, the top end of the locking base 410 is provided with a through hole, when the locking base is used, grout is sprayed out from the grouting hole 105, the grout sprayed out from the grouting hole 105 positioned below the locking base 410 enters the locking base 410, and the locking device 420 is pushed out of the locking base 410 under the action of the grout so as to be supported on the wall of the hole; and
and one end of the locking device 420 penetrates into the locking base 410 through the penetrating port, one end of the locking device 420 is positioned in the locking base 410, and one end of the locking device 420 is pushed under the action of the slurry sprayed into the locking base 410, so that the locking device 420 is continuously pushed out and supported on the hole wall.
The locking device 420 includes:
one end of the penetrating rod 421 penetrates into the locking base 410 through a penetrating port, and one end of the penetrating rod 421 is a sharp point, so that the anchoring force can be further increased; and
the bottom plate 422 is arranged in the locking base 410, the upper surface of the bottom plate 422 is perpendicular to the penetrating rod 421, and the outer diameter of the bottom plate 422 is smaller than or equal to the inner diameter of the locking base 410.
Example 6
As a preferred embodiment of embodiments 4 and 5, please refer to fig. 8, in this embodiment, the anticorrosive layer includes: the thermosetting powder coating 111 is provided with an inorganic zinc-rich layer 112 at the bottom of the thermosetting powder coating 111, and a hot-dip galvanized layer 113 is arranged at the bottom of the inorganic zinc-rich layer 112. The thermosetting powder is a novel 100% solid powdery coating without solvent, and has the characteristics of no solvent, no pollution, energy and resource saving, labor intensity reduction, high mechanical strength of the coating film and the like, the bottom of the thermosetting powder coating 201 is provided with an inorganic zinc-rich layer 202, the inorganic zinc-rich paint takes inorganic polymers (such as silicate, phosphate, dichromate and the like) as film forming substances, zinc powder reacts with the film forming substances to form a zinc-iron complex on the metal surface to form a solid protective coating film, the bottom of the inorganic zinc-rich layer 202 is provided with a hot dip galvanizing layer 203, and hot dip galvanizing has the advantages of uniform coating, strong adhesive force, long service life and the like. The arrangement of the anti-corrosion layer enables the anchor cable to reduce the possibility that the hollow anchor body 100 is easily broken due to corrosion caused by some corrosive substances contained in the geology when the anchor cable works in complex geology.
It should be noted that the embodiments of the present invention are written in a progressive manner, and the differences from the previous embodiments are mainly described, and the same parts in the embodiments may refer to the previous embodiments.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (8)
1. An anticorrosive high-strength slip casting cable wire, characterized by comprising:
the hollow anchor body (100), the inside of the hollow anchor body (100) is provided with a first grouting channel (101) for slurry to pass through, the anchor body wall of the hollow anchor body (100) is of a hollow structure, the top of the hollow anchor body is provided with an opening (102) communicated with the inner cavity of the hollow anchor body, the opening (102) and the inner cavity of the anchor body wall form a grouting ventilation channel (103), the bottom end of the anchor body wall is provided with a plurality of ventilation holes communicated with the grouting ventilation channel (103), the inner side of the anchor body wall is provided with a slurry port (104) communicated with the grouting ventilation channel (103), the outer side of the anchor body wall is provided with a grouting hole (105) communicated with the grouting ventilation channel (103), and the inner side and the outer side of the anchor body wall of the hollow anchor body (100) are both provided with anticorrosive layers;
the bottom end of the self-advancing drill bit (200) is communicated with the top end of the hollow anchor body (100); and
a fixed grout stopping part (300), wherein the fixed grout stopping part (300) is fixedly connected with the bottom end of the hollow anchor body (100); and
the anchor cable bundle (500) is wrapped outside the hollow anchor body (100) to form an inclusion body, and the inclusion body is arranged through the fixed grout stop part (300).
2. An anticorrosive high-strength grouting steel cable according to claim 1, wherein said fixed grout stop portion (300) comprises:
a backing plate (301); and
the outer side of the hollow anchor body (100) is provided with an external thread, the bottom end of the hollow anchor body (100) penetrates through the base plate (301), and the internal thread of the nut (302) is matched with the external thread arranged on the outer side of the hollow anchor body (100) to form a screw pair; and
and the outer diameter of the grout stopping plug (303) is equal to the inner diameter of the bottom end of the hollow anchor body (100), and the bottom end face of the hollow anchor body (100) is plugged.
3. An anticorrosive high-strength grouting steel cable according to claim 1, wherein said fixed grout stop portion (300) comprises:
a rotary seal (310), the top end of the rotary seal (310) being rotatably connected to the bottom end of the hollow anchor body (100), the rotary seal (310) comprising:
a communication pipe (311), one end of the communication pipe (311) penetrates into the bottom end of the hollow anchor body (100) and is rotatably connected with the hollow anchor body, an
The outer diameter of the sealing gasket (312) is larger than that of the hollow anchor body (100), a plurality of sealing air holes (3121) are formed in the sealing gasket (312) corresponding to the air holes, when the grouting air channel (103) is communicated with the outside for ventilation by rotating the sealing gasket (312) so that the sealing air holes (3121) are aligned with the air holes, and
the nut (302), be provided with the external screw thread on communicating pipe (311) outside, communicating pipe (311) bottom runs through seal gasket (312), and the internal thread of nut (302) forms the screw pair with the external screw thread that sets up on communicating pipe (311) outside cooperation, and
and the outer diameter of the grout stopping plug (303) is equal to the inner diameter of the bottom end of the communicating pipe (311), and the grout stopping plug (303) plugs the hollow anchor body (100).
4. An anti-corrosive high-strength grouting steel cable as claimed in any one of claims 1 to 3, wherein at least two locking parts (400) are further provided at both outer sides of the hollow anchor body (100).
5. An anti-corrosion high strength grouting steel rope according to claim 4, characterized in that said locking part (400) comprises:
the locking rod (401), the locking rod (401) and the hollow anchor body (100) are rotatably connected on the two outer sides; and
and one end of the elastic piece (402) is fixedly connected with one surface of the locking rod (401) close to the hollow anchor body (100), and the other end of the elastic piece (402) is fixedly connected with the outer side surface of the hollow anchor body (100).
6. An anti-corrosion high strength grouting steel rope according to claim 4, characterized in that said locking part (400) comprises:
the locking base (410) is of a hollow structure, a locking through hole (411) which is communicated with the inner cavity of the locking base is formed in the bottom of the locking base (410), the bottom of the locking base (410) is attached to the outer wall of the hollow anchor body (100), and a through hole is formed in the top end of the locking base (410); and
and the locking device (420), one end of the locking device (420) penetrates into the locking base (410) through the penetrating port.
7. An anti-corrosion high-strength grouting steel rope according to claim 6, characterized in that said locking device (420) comprises:
a penetrating rod (421), wherein one end of the penetrating rod (421) penetrates into the locking base (410) through a penetrating port; and
the bottom plate (422) is arranged in the locking base (410), the upper surface of the bottom plate (422) is perpendicular to the penetrating rod (421), and the outer diameter of the bottom plate (422) is smaller than or equal to the inner diameter of the locking base (410).
8. An anticorrosive high-strength grouting steel rope according to claim 1, wherein said anticorrosive layer comprises: the coating comprises a thermosetting powder coating (111), wherein an inorganic zinc-rich layer (112) is arranged at the bottom of the thermosetting powder coating (111), and a hot-dip galvanized layer (113) is arranged at the bottom of the inorganic zinc-rich layer (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920711376.1U CN209855836U (en) | 2019-05-17 | 2019-05-17 | Anticorrosive high-strength grouting steel cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920711376.1U CN209855836U (en) | 2019-05-17 | 2019-05-17 | Anticorrosive high-strength grouting steel cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209855836U true CN209855836U (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920711376.1U Active CN209855836U (en) | 2019-05-17 | 2019-05-17 | Anticorrosive high-strength grouting steel cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209855836U (en) |
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2019
- 2019-05-17 CN CN201920711376.1U patent/CN209855836U/en active Active
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