CN211773626U

CN211773626U - Ground anchor

Info

Publication number: CN211773626U
Application number: CN202020267056.4U
Authority: CN
Inventors: 仰国其
Original assignee: Shanghai Green Gongying Environmental Protection Technology Co ltd
Current assignee: Chengdu Qianji Enterprise Management Consulting Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-10-27
Anticipated expiration: 2030-03-06

Abstract

The utility model provides a ground anchor, which comprises a hollow pipe body and a sharp part fixedly connected at the lower end of the pipe body, wherein the upper end of the pipe body is fixedly connected with a connecting plate, and the connecting plate is provided with a plurality of connecting holes which are uniformly distributed along the circumferential direction; a plurality of groups of slurry outlet holes which are uniformly distributed along the central axis are formed in the position, below the transverse central plane, of the pipe body; a hole cleaning component which extends into the pipe body and is used for cleaning the slurry outlet hole is detachably mounted on the connecting plate; a helical blade which extends longitudinally and is positioned below the transverse central plane is arranged between the tube body and the sharp end of the sharp part; the situation that the existing ground anchor structure is pulled after being installed on the ground is improved.

Description

Ground anchor

Technical Field

The utility model relates to a bury the equipment field, concretely relates to earth anchor.

Background

The ground anchor is generally formed by burying and fixing steel wire ropes, steel pipes, reinforced concrete prefabricated members or round logs and the like underground. The light ground anchor has certain portability, when the light ground anchor is installed and fixed, a foundation pit for embedding is firstly dug on the ground, and then the ground anchor is placed into the foundation pit and fixed in a mode of pouring concrete outside; however, the existing ground anchor structure is only fixed by pouring concrete outside the ground anchor structure, and the concrete fixed column structure and the ground still have the condition that the concrete fixed column structure can be pulled.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides a ground anchor has solved and has had the problem of being stimulateed after current ground anchor structrual installation ground.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a ground anchor comprises a hollow pipe body and a sharp part fixedly connected to the lower end of the pipe body, wherein a connecting plate is fixedly connected to the upper end of the pipe body, and a plurality of connecting holes are uniformly distributed in the circumferential direction on the connecting plate; a plurality of groups of slurry outlet holes which are uniformly distributed along the central axis are formed in the position, below the transverse central plane, of the pipe body; the connecting plate is detachably provided with a hole cleaning assembly which extends into the pipe body and is used for cleaning the slurry outlet hole; and a helical blade which extends longitudinally and is positioned below the transverse central plane is arranged between the tube body and the sharp end of the sharp part.

Preferably, the pitch of the helical blade is 100-150 mm.

Preferably, the hole cleaning assembly comprises a positioning plate, and a limiting clip matched with the connecting hole is fixedly connected to the positioning plate; a rotating cylinder is rotatably mounted on the positioning plate, a rotating block is fixedly connected to the upper end of the rotating cylinder, extends out of the positioning plate, and is fixedly connected with a plurality of limiting lugs uniformly distributed along the circumferential direction; the circumferential surface of the rotating cylinder is provided with metal brush wires.

Preferably, the body middle part is equipped with the supplementary stop pin of multiunit along radial gliding, supplementary stop pin includes the slip body of rod, and the equal screw-thread fit in slip body of rod both ends has hemispherical locking cap.

Preferably, the number of each group of auxiliary limit nails is 4, and the auxiliary limit nails are uniformly distributed along the circumferential direction.

Preferably, the auxiliary limit nails are spirally distributed along the outer wall of the pipe body, and the spiral direction of the auxiliary limit nails is opposite to that of the spiral blades.

Preferably, the structure of the connecting plate is hexagonal.

Preferably, the number of each group of slurry outlet holes is 4, and the slurry outlet holes are uniformly distributed along the circumferential direction.

Preferably, the connecting plate, the pipe body and the sharp part form an integrated structure.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. inserting the pipe body and the sharp-pointed part into the ground, filling cement mortar in the pipe body to fill the inside of the whole ground anchor, enabling the cement mortar to flow out of the grout outlet hole, and stably installing the whole ground anchor through two fastening modes of internal expansion and external limiting; meanwhile, a reliable limiting structure is formed by the helical blade and the cement mortar, so that the earth anchor can be effectively prevented from loosening from a column body formed by the cement mortar;

2. the hole cleaning assembly is detachably arranged on the connecting plate and extends into the pipe body, and the grout outlet is effectively plugged by the hole cleaning assembly in the process of installing the whole ground anchor into the ground, so that soil generated in the process of lowering the ground anchor is prevented from entering the pipe body; and the hole cleaning assembly is used for cleaning the slurry outlet hole before cement mortar is poured, so that the cement mortar can smoothly flow out of the pipe body for pouring.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

FIG. 4 is an enlarged view of a portion B of FIG. 1;

in the figure, a pipe body 1, a sharp part 2, a connecting plate 3, a connecting hole 30, a grout outlet 4, a hole cleaning assembly 5, a positioning plate 51, a limiting clamp 52, a rotating column 53, a rotating block 54, a limiting lug 55, a helical blade 6, an auxiliary limiting nail 7, a sliding rod body 71 and a locking cap 72.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As shown in fig. 1 to 4, the utility model provides a ground anchor, which comprises a hollow pipe body 1 and a sharp part 2 fixedly connected with the lower end of the pipe body 1, wherein the upper end of the pipe body 1 is fixedly connected with a connecting plate 3, and a plurality of connecting holes 30 uniformly distributed along the circumferential direction are arranged on the connecting plate 3; after the pipe body 1 and the sharp part 2 are inserted into the ground for limiting, the connecting piece needing to be limited and pulled is connected to the connecting plate 3 to play a limiting role, and the position of the connecting piece is fixed through the connecting holes 30. In order to facilitate processing and manufacturing, the connecting plate 3, the pipe body 1 and the sharp part 2 form an integrated structure, and the wall thickness consistency and the strength of the integrated structure can be guaranteed. Meanwhile, a plurality of groups of grout outlet holes 4 which are uniformly distributed along the central axis are formed in the position, below the transverse central plane, of the pipe body 1, the number of the grout outlet holes 4 in each group is 4, the 4 grout outlet holes 4 are uniformly distributed along the circumferential direction, and after the whole ground anchor is placed in the ground, cement mortar is poured into the pipe body 1, so that the cement mortar flows out of the grout outlet holes 4 to fasten a gap between the ground anchor and the soil; pour into cement mortar and fill the inflation to body 1 inside in body 1 to combine outside clearance cement mortar to fill, through inside and outside combined action, inject whole earth anchor in ground steadily, let the spacing effect on ground more stable.

In order to avoid the earth anchor to cause soil to enter into the body 1 from grout outlet 4 at the in-process of impressing the ground, cause the condition that the inner space reduces, demountable installation has clear hole subassembly 5 who stretches into in the body 1 and be used for clearing up grout outlet 4 on connecting plate 3, carry out the shutoff through clear hole subassembly 5 to grout outlet 4 at the in-process that the earth anchor impressed in the ground, avoid outside soil to get into, and behind the cement mortar that need pour into, clear up grout outlet 4 through clear hole subassembly 5, in the clearance between earth anchor and the soil can be flowed out smoothly from grout outlet 4 to guarantee cement mortar.

In order to stably limit the column formed after the ground anchor and cement mortar are solidified, a helical blade 6 which extends longitudinally and is positioned below the transverse central surface is arranged between the tube body 1 and the tip end of the sharp part 2, and after the cement mortar is poured, the helical blade 6 is wrapped, so that the stability of the limit structure of the ground anchor in the cement mortar is enhanced; meanwhile, the pitch of the helical blade 6 is 100-150 mm, the density of the helical blade 6 is increased, and the bearing capacity of the helical blade 6 is improved.

The hole cleaning assembly 5 is used for plugging and cleaning the grout outlet 4, the hole cleaning assembly 5 comprises a positioning plate 51, and a limiting clamp 52 matched with the connecting hole 30 is fixedly connected to the positioning plate 51; a rotating column body 53 is rotatably mounted on the positioning plate 51, a rotating block 54 is fixedly connected to the upper end of the rotating column body 53, which extends out of the positioning plate 51, and a plurality of limiting lugs 55 which are uniformly distributed along the circumferential direction are fixedly connected to the rotating block 54; the circumferential surface of the rotating cylinder 53 is provided with metal brush wires; the positioning plate 51 is fixed after the limiting clamp 52 is inserted into the connecting hole 30, so that the whole hole cleaning assembly 5 is stably installed on the connecting plate 3, the grout outlet 4 is blocked by the rotating cylinder 53 in the process of pressing the ground anchor into the ground, soil is prevented from entering an inner cavity from the grout outlet 4, the condition that the inner cavity is reduced is effectively prevented, and the inner cavity can be fully filled after subsequent cement mortar pouring is ensured; before cement mortar is poured, the rotating block 54 is rotated after the limiting convex block 55 is pulled, so that the rotating cylinder 53 rotates in the inner cavity, the metal brush wire cleans soil at the grout outlet 4, the condition that the grout outlet 4 is blocked by soil compaction is avoided, the whole hole cleaning assembly 5 is taken out of the inner cavity when the cement mortar is poured formally, the soil is pushed out to the outer side of the ground anchor through the flowing of the cement mortar, and the smooth flowing of the cement mortar can be ensured; in order to facilitate recycling of the hole cleaning assembly 5, the whole hole cleaning assembly 5 is made of ABS plastic.

In order to further increase the spacing connection between earth anchor and the soil, be equipped with the supplementary stop pin 7 of multiunit along radial gliding in the middle part of body 1, and supplementary stop pin 7 includes the slip body of rod 71, the equal screw-thread fit in slip body of rod 71 both ends has hemispherical locking cap 72, in the rotation cylinder 53 in clear hole subassembly 5 removes the in-process to body 1, with locking cap 72 sliding fit, thereby promote whole supplementary stop pin 7 and outwards slide and insert in the soil, and also can further fix the position of supplementary stop pin 7 after cement mortar pours into, strengthen holistic atress effect. And let the quantity of every group auxiliary limit nail 7 be 4, and along the circumferencial direction equipartition, can evenly transmit in ground after guaranteeing holistic tension.

Further, as preferred scheme, this embodiment can set up supplementary banking pin 7 to be the spiral distribution along the outer wall of body 1, and the spiral direction of supplementary banking pin 7 is opposite with helical blade 6's spiral direction to after grout solidifies, supplementary banking pin 7 can produce in the opposite resistance of helical blade 6, prevents that the whole earth anchor from withdrawing.

Simultaneously, in order to facilitate reliably connecting the connecting piece of installing on the earth anchor, let the structure of connecting plate 3 be the hexagon, increase the contact surface of connecting, increase connection stability.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. An earth anchor, characterized by: the device comprises a hollow pipe body (1) and a sharp part (2) fixedly connected to the lower end of the pipe body (1), wherein a connecting plate (3) is fixedly connected to the upper end of the pipe body (1), and a plurality of connecting holes (30) uniformly distributed along the circumferential direction are formed in the connecting plate (3); a plurality of groups of slurry outlet holes (4) which are uniformly distributed along the central axis are formed in the position, below the transverse central plane, of the pipe body (1);

a hole cleaning component (5) which extends into the pipe body (1) and is used for cleaning the grout outlet (4) is detachably mounted on the connecting plate (3);

and a helical blade (6) which extends longitudinally and is positioned below the transverse central plane is arranged between the tube body (1) and the tip end of the sharp part (2).

2. An earth anchor according to claim 1, wherein: the pitch of the helical blade (6) is 100-150 mm.

3. An earth anchor according to claim 1, wherein: the hole cleaning assembly (5) comprises a positioning plate (51), and a limiting clip (52) matched with the connecting hole (30) is fixedly connected to the positioning plate (51); a rotating cylinder (53) is rotatably mounted on the positioning plate (51), a rotating block (54) is fixedly connected to the upper end of the rotating cylinder (53) extending out of the positioning plate (51), and a plurality of limiting lugs (55) uniformly distributed along the circumferential direction are fixedly connected to the rotating block (54);

the circumferential surface of the rotating cylinder (53) is provided with metal brush wires.

4. An earth anchor according to claim 1, wherein: the pipe body (1) middle part is equipped with multiunit along radial gliding supplementary stop pin (7), supplementary stop pin (7) are including the slip body of rod (71), and the equal screw-thread fit in slip body of rod (71) both ends has hemispherical locking cap (72).

5. An earth anchor according to claim 4, wherein: each group of auxiliary limit nails (7) is 4 in number and evenly distributed along the circumferential direction.

6. An earth anchor according to claim 4, wherein: the auxiliary limiting nails (7) are spirally distributed along the outer wall of the pipe body (1), and the spiral direction of the auxiliary limiting nails (7) is opposite to the spiral direction of the spiral blades (6).

7. An earth anchor according to any one of claims 1 to 6, wherein: the structure of the connecting plate (3) is hexagonal.

8. An earth anchor according to claim 1, wherein: the number of each group of the slurry outlet holes (4) is 4, and the slurry outlet holes are uniformly distributed along the circumferential direction.

9. An earth anchor according to claim 1, wherein: the connecting plate (3), the pipe body (1) and the sharp part (2) form an integrated structure.