CN216041132U - Anchor head expanding device - Google Patents
Anchor head expanding device Download PDFInfo
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- CN216041132U CN216041132U CN202121454429.XU CN202121454429U CN216041132U CN 216041132 U CN216041132 U CN 216041132U CN 202121454429 U CN202121454429 U CN 202121454429U CN 216041132 U CN216041132 U CN 216041132U
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- anchor
- wing section
- anchor wing
- pivot
- enlarged
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Abstract
The utility model relates to an anchor head expanding device, which is characterized in that: the device comprises a sleeve catcher, a circular top seat, anchor wings and a circular base which are sequentially connected from top to bottom; the sleeve catcher is used for being connected with the anchor rod; the anchor wing includes around a plurality of anchor wing unit that the even interval in the centre of a circle of footstock set up, each anchor wing unit includes anchor wing section and lower anchor wing section on through first pivot connection respectively, first pivot is close to the lower extreme setting of last anchor wing section, the upper end of going up anchor wing section with the footstock passes through the second pivot and connects, the lower extreme of anchor wing section down with the base passes through the third pivot and connects, the internal surface of going up the lower extreme of anchor wing section is formed with circular spacing arch, the lateral surface of anchor wing section is formed with the cooperation down the jump ring that spacing protruding card was gone into, the opening of jump ring is outwards. The utility model improves the anti-pulling force of the anchor rod.
Description
Technical Field
The utility model relates to the field of underground structural engineering, in particular to an anchor head expanding device.
Background
In various foundation pit engineering and slope supporting engineering, anchor rod construction technology is often used, the device is usually designed into a whole by a drilling tool for reaming and an expanding anchor head, after reaming, the whole device is directly put into a hole to be used as a disposable expanding anchor head, and the device is provided with a drill bit, so that the cost is much higher than that of a common anchor head, and the disposable expanding anchor head with low cost needs to be designed.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the anchor head expanding device which is low in cost and improves the pulling resistance of the anchor rod.
In order to solve the technical problems, the technical scheme of the utility model is as follows: an enlarged anchor head device, its difference lies in: the device comprises a sleeve catcher, a circular top seat, anchor wings and a circular base which are sequentially connected from top to bottom; the sleeve catcher is used for being connected with the anchor rod; the anchor wing includes around a plurality of anchor wing unit that the even interval in the centre of a circle of footstock set up, each anchor wing unit includes anchor wing section and lower anchor wing section on through first pivot connection respectively, first pivot is close to the lower extreme setting of last anchor wing section, the upper end of going up anchor wing section with the footstock passes through the second pivot and connects, the lower extreme of anchor wing section down with the base passes through the third pivot and connects, the internal surface of going up the lower extreme of anchor wing section is formed with circular spacing arch, the lateral surface of anchor wing section is formed with the cooperation down the jump ring that spacing protruding card was gone into, the opening of jump ring is outwards.
According to the technical scheme, the upper end of the sleeve joint is provided with a threaded hole used for being connected with the anchor rod.
According to the technical scheme, the top seat is provided with a plurality of grouting holes which are uniformly distributed and run through from top to bottom.
According to the technical scheme, the lower end of the top seat is provided with two first connecting blocks which are arranged in a bilateral symmetry mode, and the first connecting blocks correspond to the upper anchor wing sections one to one and are connected through the second rotating shaft.
According to above technical scheme, the upper end of base is formed with two second connecting blocks that bilateral symmetry set up, two the second connecting block with two down anchor wing section one-to-one just passes through the third pivot is connected.
According to the technical scheme, a connecting sheet is arranged between the first rotating shafts on the two adjacent anchor wing units, and the connecting sheet breaks and fails when stressed.
According to the technical scheme, the left end and the right end of the connecting sheet are respectively provided with the clamping holes, and the outer end of each first rotating shaft is respectively provided with the clamping groove which is matched with and corresponds to the clamping holes of the connecting sheet in a clamping mode.
According to the technical scheme, the connecting piece is made of a plastic material, the middle of the connecting piece is provided with an easy-breaking area, and the easy-breaking area comprises a plurality of failure holes which are formed in the vertical direction at intervals.
Compared with the prior art, the utility model has the beneficial characteristics that: according to the anchor head expanding device, a plurality of anchor wing units are uniformly arranged between a top seat and a base at intervals, an upper anchor wing section and a lower anchor wing section are connected through a first rotating shaft, the first rotating shaft is arranged close to the lower end of the upper anchor wing section, the upper end of the upper anchor wing section is connected with the top seat through a second rotating shaft, the lower end of the lower anchor wing section is connected with the base through a third rotating shaft, and when the device is subjected to downward force, each anchor wing unit can be opened and clamped into an expanded hole; the inner surface of the lower end of the upper anchor wing section is provided with a circular limiting protrusion, the outer side surface of the lower anchor wing section is provided with a clamp spring matched with the limiting protrusion to be clamped, the opening of the clamp spring faces outwards, the circular limiting protrusion is clamped in the clamp spring before the lower hole of the device, the device bears downward force after the lower hole of the device, the circular limiting protrusion is separated from the clamp spring, each anchor wing unit is outwards opened, the structure is simple, the cost of the device is low, and the anti-pulling force of the anchor rod can be improved.
Drawings
FIG. 1 is an elevation view of an enlarged anchor head assembly according to an embodiment of the present invention;
FIG. 2 is a side view of an enlarged anchor head apparatus in accordance with an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2 according to an embodiment of the present invention;
FIG. 4 is a top view of an enlarged anchor head apparatus in accordance with an embodiment of the present invention;
FIG. 5 is an exploded view of an enlarged anchor head assembly in accordance with an embodiment of the present invention;
FIG. 6 is a schematic view of an enlarged anchor head assembly lowered into a hole with anchor wings open, in accordance with an embodiment of the present invention;
wherein: 1-top seat (101-first connecting block, 102-grouting hole), 2-base (201-second connecting block), 3-anchor wing (301-anchor wing unit (3011-upper anchor wing section (30111-limit projection), 3012-lower anchor wing section (30121-snap spring (301211-snap spring opening)), 303-first rotating shaft (3031-snap groove), 304-second rotating shaft, 305-third rotating shaft)), 4-sleeve connecting hand (401-threaded hole), 5-anchor rod, 6-connecting piece (601-easy-break area (601 a-failure hole), 602-snap hole) and 7-hole.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.
Referring to fig. 1 to 6, an enlarged anchor head device according to an embodiment of the present invention includes a socket joint 4, a circular top seat 1, an anchor wing 3, and a circular base 2, which are sequentially connected from top to bottom; the sleeve joint 4 is used for connecting with the anchor rod 5; the anchor wing 3 comprises a plurality of anchor wing units 301 which are uniformly arranged around the circle center of the top base 1 at intervals, each anchor wing unit 301 comprises an upper anchor wing section 3011 and a lower anchor wing section 3012 which are connected through a first rotating shaft 303, the first rotating shaft 303 is arranged close to the lower end of the upper anchor wing section 3011, the upper end of the upper anchor wing section 3011 is connected with the top base 1 through a second rotating shaft 304, the lower end of the lower anchor wing section 3012 is connected with the base 2 through a third rotating shaft 305, a circular limiting bulge 30111 is formed on the inner side surface of the lower end of the upper anchor wing section 3011, a snap spring 30121 which is clamped into the limiting bulge 30111 is formed on the outer side surface of the lower anchor wing section 3012, an opening 301211 of the snap spring faces outwards, the circular limiting bulge 30111 is clamped in the snap spring 30121 before the lower hole 7 is arranged, after the lower hole 7 is arranged, the device is forced downwards, the circular limiting bulge 30111 is separated from the snap spring 30121, and each anchor wing unit 301 opens outwards.
Preferably, a threaded hole 401 is opened at the upper end of the socket adapter 4 so that the anchor rod 5 and the socket adapter 4 are threadedly coupled.
Preferably, the top seat 1 is provided with a plurality of grouting holes 102 which are uniformly distributed and vertically communicated, and after the device is put down into the hole 7, the device is fixed in the hole 7 by grouting into the hole 7 through the grouting holes 102.
Preferably, two first connecting blocks 101 are formed at the lower end of the top seat 1, and the two first connecting blocks 101 are symmetrically arranged at the left and right, and are connected with the two upper anchor wing sections 3011 through the second rotating shaft 304 in a one-to-one correspondence manner, so that the top seat 1 and the upper anchor wing sections 3011 can be rotatably connected.
Preferably, two second connecting blocks 201 are formed at the upper end of the base 2 and are arranged symmetrically left and right, and the two second connecting blocks 201 correspond to the two lower anchor wing sections 3012 one by one and are connected through the third rotating shaft 305, so that the base 2 and the lower anchor wing sections 3012 can be rotatably connected.
Preferably, a connecting piece 6 is arranged between the first rotating shafts 303 on the two adjacent anchor wing units 301, the connecting piece 6 breaks and fails when being stressed, so that the anchor wing units 301 are prevented from being opened before the device is put into the hole 7, the connecting piece 6 breaks and fails when being stressed, and after the device is put into the hole 7, the device is stressed by a downward acting force, so that the two anchor wing units 301 are opened and clamped into the hole 7.
Preferably, the left end and the right end of the connecting sheet 6 are respectively provided with a clamping hole 602, the outer end of each first rotating shaft 303 is respectively provided with a clamping groove 3031 which is clamped by the clamping hole 602 of the corresponding connecting sheet 6, and each anchor wing unit 301 is in an open state before the device is lowered to the hole 7.
Specifically, the connecting piece 6 is made of a plastic material, the connecting piece 6 has a frangible region 601 in the middle, the frangible region 601 includes a plurality of failure holes 601a spaced apart in the vertical direction, and after the device is lowered into the hole 7, the device is subjected to a downward force, the connecting piece 6 is broken from the frangible region 601, and each anchor wing unit 301 is opened outward.
Referring to fig. 1 to 6, in an enlarged anchor head device according to an embodiment of the present invention, a plurality of anchor wing units 301 are uniformly arranged between a top seat 1 and a base 2 at intervals, an upper anchor wing section 3011 and a lower anchor wing section 3012 are connected through a first rotating shaft 303, the first rotating shaft 303 is arranged near a lower end of the upper anchor wing section 3011, an upper end of the upper anchor wing section 3011 is connected to the top seat 1 through a second rotating shaft 304, and a lower end of the lower anchor wing section 3012 is connected to the base 2 through a third rotating shaft 305, so that when the device is subjected to a downward force, each anchor wing unit 301 is opened and clamped into an enlarged hole 7; a connecting piece 6 is arranged between the first rotating shafts 303 on the two adjacent anchor wing units 301, the middle part of the connecting piece 6 is provided with a breakable area 601, the breakable area 601 comprises a plurality of failure holes 601a which are arranged at intervals along the vertical direction, so that each anchor wing unit 301 is in an open state before the device is put down to the hole 7, and after the device is put down to the hole 7, the device is stressed downwards, the connecting piece 6 is broken from the breakable area 601, and each anchor wing unit 301 is opened; the inner side surface of the lower end of the upper anchor wing section 3011 is provided with a circular limiting protrusion 30111, the outer side surface of the lower anchor wing section 3012 is provided with a snap spring 30121 matched with the limiting protrusion 30111 to be clamped in, an opening 301211 of the snap spring faces outwards, the circular limiting protrusion 30111 is clamped in the snap spring 30121 before the lower hole 7 of the device is arranged, the device is forced downwards after the lower hole 7 of the device is arranged, the circular limiting protrusion 30111 is separated from the snap spring 30121, each anchor wing unit 301 is opened outwards, the anchor head expanding device can improve the anti-pulling force of the anchor rod 5, the structure is simple, the cost of the device is low, and the device can improve the anti-pulling force of the anchor rod 5.
The above description is provided for the purpose of describing the present invention in more detail, and it should not be construed that the present invention is limited to the description, and it will be apparent to those skilled in the art that various modifications and substitutions can be made without departing from the spirit of the present invention.
Claims (8)
1. An enlarge anchor head device which characterized in that: the device comprises a sleeve catcher, a circular top seat, anchor wings and a circular base which are sequentially connected from top to bottom; the sleeve catcher is used for being connected with the anchor rod; the anchor wing includes around a plurality of anchor wing unit that the even interval in the centre of a circle of footstock set up, each anchor wing unit includes anchor wing section and lower anchor wing section on through first pivot connection respectively, first pivot is close to the lower extreme setting of last anchor wing section, the upper end of going up anchor wing section with the footstock passes through the second pivot and connects, the lower extreme of anchor wing section down with the base passes through the third pivot and connects, the internal surface of going up the lower extreme of anchor wing section is formed with circular spacing arch, the lateral surface of anchor wing section is formed with the cooperation down the jump ring that spacing protruding card was gone into, the opening of jump ring is outwards.
2. An enlarged anchor head assembly according to claim 1, wherein: and the upper end of the sleeve joint is provided with a threaded hole for connecting with the anchor rod.
3. An enlarged anchor head assembly according to claim 1, wherein: the top seat is provided with a plurality of grouting holes which are uniformly distributed and run through from top to bottom.
4. An enlarged anchor head assembly according to claim 1, wherein: the lower extreme of footstock is formed with two first connecting blocks that bilateral symmetry set up, two first connecting block and two go up anchor wing section one-to-one and pass through the second pivot is connected.
5. An enlarged anchor head assembly according to claim 1, wherein: the upper end of base is formed with two second connecting blocks that bilateral symmetry set up, two the second connecting block and two down anchor wing section one-to-one just passes through the third pivot is connected.
6. An enlarged anchor head assembly according to claim 1, wherein: and a connecting sheet is arranged between the first rotating shafts on the two adjacent anchor wing units, and the connecting sheet breaks and fails when stressed.
7. An enlarged anchor head assembly according to claim 6, wherein: the left end and the right end of the connecting sheet are respectively provided with a clamping hole, and the outer end of each first rotating shaft is respectively provided with a clamping groove which is matched with and corresponds to the clamping hole of the connecting sheet in a clamping mode.
8. An enlarged anchor head assembly according to claim 6, wherein: the connecting piece is made of a plastic material, the middle of the connecting piece is provided with an easy-breaking area, and the easy-breaking area comprises a plurality of failure holes which are formed in the vertical direction at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121454429.XU CN216041132U (en) | 2021-06-29 | 2021-06-29 | Anchor head expanding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121454429.XU CN216041132U (en) | 2021-06-29 | 2021-06-29 | Anchor head expanding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216041132U true CN216041132U (en) | 2022-03-15 |
Family
ID=80616677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121454429.XU Active CN216041132U (en) | 2021-06-29 | 2021-06-29 | Anchor head expanding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216041132U (en) |
-
2021
- 2021-06-29 CN CN202121454429.XU patent/CN216041132U/en active Active
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