CN219862789U - Mortar anchor rod with full-length sleeve - Google Patents

Mortar anchor rod with full-length sleeve Download PDF

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Publication number
CN219862789U
CN219862789U CN202320562696.1U CN202320562696U CN219862789U CN 219862789 U CN219862789 U CN 219862789U CN 202320562696 U CN202320562696 U CN 202320562696U CN 219862789 U CN219862789 U CN 219862789U
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China
Prior art keywords
butt joint
pipe
anchor rod
sleeve
section
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CN202320562696.1U
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Chinese (zh)
Inventor
陈开俊
赵冠松
吴世斌
刘峻材
李亚东
罗雪锋
周宏虎
简琼丽
何双岸
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Three Gorges Green Development Co ltd
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Three Gorges Green Development Co ltd
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Priority to CN202320562696.1U priority Critical patent/CN219862789U/en
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Abstract

The utility model provides a take full length sheathed tube mortar stock, includes sleeve pipe and stock, and the stock can insert the intraductal, and the sleeve pipe is formed by a plurality of butt joint pipe butt joint installations, and the pipe shoe is installed to sleeve pipe one end, is equipped with a plurality of oozing oar holes on the circumference wall of butt joint pipe, and axial spaced's fixedly connected with a plurality of location supporting component on the circumference wall of stock, and supporting component includes annular equipartition rigid coupling at least three bracing piece on the stock circumference wall. The butt joint pipe is pressed in a sectional follow-up manner in the drilling process of the anchor rod hole, so that the anchor rod hole is supported, and the drill clamping and hole collapse are prevented. And an anchor rod is arranged in the sleeve and grouting is carried out, and grout permeates into an external soil body through the seepage holes, so that the anchor rod is anchored with the soil body.

Description

Mortar anchor rod with full-length sleeve
Technical Field
The utility model relates to the technical field of side slope support, in particular to a mortar anchor rod with a full-length sleeve.
Background
At present, the anchor rod for supporting the side slope is usually a common mortar anchor rod, a self-advancing hollow anchor rod and the like, but when a large amount of stone blocks are mixed with a soil filling layer, drilling is difficult, drilling is easy to clamp, and even if the drilling is finished barely, the drill rod is easy to collapse after being pulled out.
Chinese patent document CN 205934916U, publication/bulletin day: the 2017 02 month 08 discloses a steel sleeve pore-forming anti-floating anchor rod. The anchor comprises an anchor hole which is formed by assisting a steel sleeve with the pipe diameter of 180mm, wherein the steel sleeve is arranged in the anchor hole, anchor rods are arranged in the steel sleeve, a plurality of positioning brackets are arranged on the anchor rods at intervals, cement mortar is injected into the pressure grouting in the anchor hole, and a water stop steel plate is arranged at a port at the upper part of the anchor hole. The anti-floating anchor rod is ensured to smoothly pass through a silt soil layer or a sand flowing layer through the hole forming of the steel sleeve, high-pressure grouting is carried out in the steel sleeve, an anchor body is formed around the drill rod and with stone powder and sand remained at the bottom of the hole, the anchoring requirement is ensured, and the hole collapse problem is effectively solved; the method has the defects that the method is used for forming holes through the steel sleeve, and is mainly used for the working condition of a silt layer or a sand flowing layer, and cannot be applied to the working condition of a mixed filling layer with a large amount of stones. In a mixed earth fill environment with a large amount of rock, drill pipe is required to make holes.
Disclosure of Invention
The utility model aims to solve the technical problems that: the problem existing in the background art is solved, and the mortar anchor rod with the full-length sleeve is provided, and the butt joint pipe is pressed in a sectional follow-up manner in the anchor rod hole drilling process, so that the anchor rod hole is supported, and the drill clamping and hole collapse are prevented. And an anchor rod is arranged in the sleeve and grouting is carried out, and grout permeates into an external soil body through the seepage holes, so that the anchor rod is anchored with the soil body.
In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the utility model provides a take full length sheathed tube mortar stock, includes sleeve pipe and stock, and the stock can insert the sleeve pipe in, the sleeve pipe is formed by a plurality of butt joint pipe butt joint installations, and the pipe shoe is installed to sleeve pipe one end, be equipped with a plurality of oozing oar holes on the circumference wall of butt joint pipe, a plurality of location supporting component of axial spaced fixedly connected with on the circumference wall of stock, supporting component includes at least three bracing piece of annular equipartition rigid coupling on the stock circumference wall.
The butt joint pipe one end is equipped with first internal thread, and the other end is equipped with first external screw thread, and the butt joint pipe passes through screw thread butt joint installation and forms the sleeve pipe, pipe shoe one end is equipped with the second external screw thread, and the second external screw thread can connect with first internal screw thread soon.
The support rod comprises a welding section and an arching section, wherein the welding section is positioned at two ends of the support rod, the support rod is fixedly connected with the anchor rod through the welding sections at two ends, and the arching section is positioned between the welding sections at two sides and arches towards the inner wall of the butt joint pipe.
The support rod comprises a fixedly connected section and an elastic inclined section, a slotted hole is formed in the circumferential wall of the butt joint pipe, the fixedly connected section of the support rod is fixedly connected with the anchor rod, one end of the elastic inclined section is connected with the fixedly connected section, and the other end of the elastic inclined section can extend out of the butt joint pipe through the slotted hole.
An elastic connecting section is arranged between the fixedly connecting section and the elastic inclined section.
And a guide groove is axially arranged on the inner wall of the butt joint pipe at the position corresponding to the slotted hole.
The utility model has the following beneficial effects:
1. the pipe shoe is used for being matched with the drill rod to form a hole, the positioning support assembly on the anchor rod is used for positioning the anchor rod to the center line of the sleeve, and after grouting hardening is carried out in the sleeve, the stability of the anchor rod is increased. The butt joint pipe is pressed in a sectional follow-up manner in the drilling process of the anchor rod hole, so that the anchor rod hole is supported, and the drill clamping and hole collapse are prevented. And an anchor rod is arranged in the sleeve and grouting is carried out, and grout permeates into an external soil body through the seepage holes, so that the anchor rod is anchored with the soil body.
2. The bracing piece includes rigid coupling section and elasticity slope section, and the elasticity slope section other end can stretch out the butt joint pipe through the slotted hole, and the barb structure of bracing piece is convenient for the stock can be fixed with the stock hole, further strengthens stock stability.
3. The guide groove is arranged on the inner wall of the opposite connecting pipe, so that the elastic inclined section of the supporting rod can accurately extend out of the slotted hole.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present utility model.
Fig. 2 is a schematic front view of a first embodiment of the present utility model.
FIG. 3 is a schematic view of the cross-section A-A of FIG. 2.
Fig. 4 is a schematic perspective view of an interfacing tube according to a first embodiment of the present utility model.
Fig. 5 is a schematic perspective view of an anchor according to a first embodiment of the present utility model.
Fig. 6 is a schematic perspective view of another embodiment of the present utility model.
Fig. 7 is a schematic front view of another embodiment of the present utility model.
FIG. 8 is a schematic view of the cross-sectional structure B-B in FIG. 7.
Fig. 9 is a schematic perspective view of an adapter according to another embodiment of the present utility model.
Fig. 10 is a schematic perspective view of an anchor according to another embodiment of the present utility model.
FIG. 11 is a schematic perspective view of a shoe according to the present utility model.
In the figure: the device comprises a butt joint pipe 10, a paddle hole 11, a first internal thread 12, a first external thread 13, a slotted hole 14 and a guide groove 15;
a shoe 20, a second external thread 21;
anchor 30, support bar 31, welding section 311, arch section 312, fastening section 313, elastic connection section 314, elastic tilting section 315.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1-11, a mortar anchor rod with a full-length sleeve comprises a sleeve and an anchor rod 30, wherein the anchor rod 30 can be inserted into the sleeve, the sleeve is formed by butt-joint installation of a plurality of butt-joint pipes 10, a pipe shoe 20 is installed at one end of the sleeve, a plurality of penetration holes 11 are formed in the circumferential wall of the butt-joint pipe 10, a plurality of positioning support assemblies are fixedly connected to the circumferential wall of the anchor rod 30 at intervals in the axial direction, and each support assembly comprises at least three support rods 31 uniformly distributed and fixedly connected to the circumferential wall of the anchor rod 30. The shoe 20 is used to engage a drill pipe to form a hole, and the locating support assembly on the bolt 30 is used to locate the bolt 30 to the midline of the casing and to increase the stability of the bolt 30 after grouting hardening in the casing. The butt joint pipe 10 is pressed in a sectional follow-up mode in the anchor rod hole drilling process, so that the anchor rod hole is supported, and the drill clamping and hole collapse are prevented. An anchor rod 30 is arranged in the sleeve and grouting is carried out, and grout permeates into the external soil body through the seepage holes 11, so that the anchor rod 30 is anchored with the soil body.
Specifically, the butt joint pipe 10 one end is equipped with first internal thread 12, and the other end is equipped with first external screw thread 13, and butt joint pipe 10 passes through the screw butt joint installation and forms the sleeve pipe, pipe shoe 20 one end is equipped with second external screw thread 21, and second external screw thread 21 can connect with first internal screw thread 12 soon, simple structure, convenient connection.
In one embodiment, referring to fig. 1-5, the supporting rod 31 includes a welding section 311 and an arching section 312, the welding section 311 is located at two ends of the supporting rod 31, the supporting rod 31 is fixedly connected with the anchor rod 30 through the welding sections 311 at two ends, the arching section 312 is located between the welding sections 311 at two sides and arches towards the inner wall of the butt joint pipe 10, the structure is simple, and the stability of the anchor rod 30 is good.
In another embodiment, referring to fig. 6 to 10, the supporting rod 31 includes a fixing section 313 and an elastic inclined section 315, a slot 14 is provided on the circumferential wall of the butt joint tube 10, the fixing section 313 of the supporting rod 31 is fixed to the anchor rod 30, one end of the elastic inclined section 315 is connected to the fixing section 313, and the other end can extend out of the butt joint tube 10 through the slot 14. The other end of the elastic inclined section 315 can extend out of the butt joint pipe 10 through the slotted hole 14, and the barb structure of the supporting rod 31 facilitates fixing of the anchor rod 30 with the anchor rod hole, so that stability of the anchor rod 30 is further enhanced.
Referring to fig. 10, an elastic connection section 314 is further provided between the fixing section 313 and the elastic tilting section 315. The elastic connection section 314 is arranged, the flexibility of the supporting rod 31 is enhanced, and the inclined section 315 is prevented from being outwards extended or the extension length is reduced after being inwards deformed when the anchor rod 30 is pressed into the sleeve, so that the anchor rod 30 and the anchor rod hole are fixed to be invalid and the stability is weakened.
Referring to fig. 7, guide grooves 15 are axially provided on the inner wall of the docking tube 10 at positions corresponding to the slots 14. The guide grooves 15 are provided so that the elastic inclined sections 315 of the support rods 31 can be accurately extended from the slots 14.
When the sleeve is formed by screwing a plurality of butt joint pipes 10, the guide grooves 15 between the two butt joint pipes 10 can be aligned by controlling the accuracy of the screw threads or sleeving adjusting gaskets with different thicknesses at one end of the first external screw thread 13 when the two butt joint pipes 10 are in butt joint. Of course, other structures for butt joint can be adopted between the butt joint pipes 10, for example, the guide grooves 15 are aligned by an inner spline structure and an outer spline structure, and pins are driven into the pipe walls at the inner spline position and the outer spline position so as to fix the two butt joint pipes 10.
The working process or principle of the utility model:
during the drilling of the bolt hole, the butt joint pipe 10 is pressed in a sectional follow-up manner, wherein the first external thread 13 of the following butt joint pipe 10 is screwed with the first internal thread 12 of the previous butt joint pipe 10. After the drilling is completed, the drill rod is withdrawn, a sleeve consisting of a plurality of sections of butt joint pipes 10 is left in the hole, an anchor rod 30 is arranged below the sleeve, grouting is carried out, and the grouting liquid permeates into the external soil body through the seepage holes 11, so that the anchor rod 30 is anchored with the soil body.

Claims (6)

1. The utility model provides a take mortar stock of full length sleeve pipe, includes sleeve pipe and stock (30), and stock (30) can insert in the sleeve pipe, its characterized in that: the sleeve is formed by butt joint installation of a plurality of butt joint pipes (10), pipe boots (20) are installed at one end of the sleeve, a plurality of seepage oar holes (11) are formed in the circumferential wall of each butt joint pipe (10), a plurality of positioning support assemblies are fixedly connected to the circumferential wall of each anchor rod (30) at intervals in the axial direction, and each support assembly comprises at least three support rods (31) fixedly connected to the circumferential wall of each anchor rod (30) in an annular uniformly distributed mode.
2. A mortarless rock bolt with a full length sleeve according to claim 1 wherein: the utility model discloses a pipe shoe, including pipe shoe (20), pipe shoe, first external screw thread (21), second external screw thread (21) can connect with first internal screw thread (12) soon, butt joint pipe (10) one end is equipped with first internal screw thread (12), and the other end is equipped with first external screw thread (13), and butt joint pipe (10) are installed through the screw thread butt joint and are formed the sleeve pipe.
3. A mortarless rock bolt with a full length sleeve according to claim 1 wherein: the supporting rod (31) comprises a welding section (311) and an arched section (312), the welding section (311) is positioned at two ends of the supporting rod (31), the supporting rod (31) is fixedly connected with the anchor rod (30) through the welding sections (311) at two ends, and the arched section (312) is positioned between the welding sections (311) at two sides and is arched towards the inner wall of the butt joint pipe (10).
4. A mortarless rock bolt with a full length sleeve according to claim 1 wherein: the supporting rod (31) comprises a fixedly connecting section (313) and an elastic inclined section (315), a slotted hole (14) is formed in the circumferential wall of the butt joint pipe (10), the fixedly connecting section (313) of the supporting rod (31) is fixedly connected with the anchor rod (30), one end of the elastic inclined section (315) is connected with the fixedly connecting section (313), and the other end of the elastic inclined section can extend out of the butt joint pipe (10) through the slotted hole (14).
5. A full length sleeved mortar bolt according to claim 4, wherein: an elastic connecting section (314) is further arranged between the fixedly connecting section (313) and the elastic inclined section (315).
6. A full length sleeved mortar bolt according to claim 4 or 5, wherein: the inner wall of the butt joint pipe (10) is axially provided with a guide groove (15) at a position corresponding to the slotted hole (14).
CN202320562696.1U 2023-03-21 2023-03-21 Mortar anchor rod with full-length sleeve Active CN219862789U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320562696.1U CN219862789U (en) 2023-03-21 2023-03-21 Mortar anchor rod with full-length sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320562696.1U CN219862789U (en) 2023-03-21 2023-03-21 Mortar anchor rod with full-length sleeve

Publications (1)

Publication Number Publication Date
CN219862789U true CN219862789U (en) 2023-10-20

Family

ID=88322205

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320562696.1U Active CN219862789U (en) 2023-03-21 2023-03-21 Mortar anchor rod with full-length sleeve

Country Status (1)

Country Link
CN (1) CN219862789U (en)

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