CN214061605U - Expansion shell type inner anchor head prestressed anchor rod - Google Patents
Expansion shell type inner anchor head prestressed anchor rod Download PDFInfo
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- CN214061605U CN214061605U CN202022978549.1U CN202022978549U CN214061605U CN 214061605 U CN214061605 U CN 214061605U CN 202022978549 U CN202022978549 U CN 202022978549U CN 214061605 U CN214061605 U CN 214061605U
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Abstract
The utility model relates to an anchor head prestressed anchorage pole in shell expansion formula relates to the field of stock, and it includes that anchor head, cover are located the shell expansion of anchor head and with anchor head fixed connection's the body of rod, body of rod periphery side is provided with the coupling assembling that is used for increasing connection area, coupling assembling includes that two are fixed in the installation piece and a plurality of fixed connection of the body of rod in the connecting rod of installation piece, the installation piece sets up to the semicircle ring shape, the draw-in groove has been seted up to installation piece one end, other end fixedly connected with the fixture block of draw-in groove adaptation, two the cover is located behind the installation piece lock the body of rod, the body of rod is provided with and is used for fixing the mounting of installation piece. This application is through setting up many connecting rods that are umbelliform structure of dispersing in the periphery side at the body of rod, has the area of connection before increase stock and the concrete and then has improved the joint strength's between stock and the concrete effect.
Description
Technical Field
The application relates to the field of anchor rods, in particular to an expansion shell type inner anchor head prestressed anchor rod.
Background
At present traditional stock device includes stock and anchor end, and the anchor end forms with the rock mass and is connected after hitting the hole inner wall of seting up on getting into the cliff, and concreting or high strength cement mortar form the reinforcement of stock to the cliff from this in the hole.
The existing Chinese patent with the patent application number of CN201210253147.2 provides an expanding shell type inner anchor head prestressed anchor rod and an installation and use method thereof, belonging to the technical field of rock and soil anchoring engineering. The prestressed anchor rod comprises an expansion shell, a conical core, a mounting nut, a rod body, a mounting sleeve, a base plate and a locking nut.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the expansion shell is located the tip of stock, and the area of being connected between other positions of stock and the concrete is less, and anchoring strength is low.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem that the stock is little with other position connection areas, this application provides an anchor head prestressed anchorage pole in shell expansion formula.
The application provides a pair of anchor head prestressed anchorage pole in shell expansion formula adopts following technical scheme:
the utility model provides an anchor head prestressed anchorage pole in shell expansion formula, locate including anchor head, cover the shell expansion of anchor head and with anchor head fixed connection's the body of rod, body of rod periphery side is provided with the coupling assembling that is used for increasing connection area, coupling assembling includes that two are fixed in the installation piece and a plurality of fixed connection of the body of rod in the connecting rod of installation piece, the installation piece sets up to the semicircle ring shape, the draw-in groove has been seted up to installation piece one end, other end fixedly connected with the fixture block of draw-in groove adaptation, two the cover is located behind the installation piece lock the body of rod, the body of rod is provided with and is used for fixing the mounting of installation piece.
Through adopting above-mentioned technical scheme, the installation piece is fixed in the body of rod, and the fixture block joint makes two installation piece locks in the periphery side of the body of rod in the draw-in groove in the installation piece, and the mounting will be installed the piece and be fixed in the periphery side of the body of rod, and on the connecting rod was fixed in the installation piece, behind the concrete pouring in the hole, connecting rod and installation piece had increased the area of connection between the body of rod and the concrete, had improved the anchoring ability of stock.
Optionally, the fixing element is fixedly connected to the mounting piece on the outer periphery side of the rod body, the mounting block is attached to one side wall surface of the rod body, a mounting groove matched with the mounting piece is formed in the mounting piece, and the rod body is provided with a locking piece which is used for fixing the mounting piece to the mounting groove.
Through adopting above-mentioned technical scheme, the installation piece of the body of rod periphery side is pegged graft in the mounting groove, and the locking piece is fixed in the mounting groove with the installation piece to the fixed connection between the body of rod and the installation has been realized.
Optionally, the locking piece is set as fixed connection in the elastic sheet of installation piece, the installation piece in the mounting groove for set up on the inner wall of body of rod one side and be used for fixing the spacing groove of elastic sheet, the spacing groove with the mounting groove intercommunication.
Through adopting above-mentioned technical scheme, the flexure strip joint is fixed in the spacing inslot, and the installation piece that is located the mounting groove with flexure strip fixed connection is fixed to the body of rod and the fixed between the installation piece have been realized.
Optionally, the limiting groove with the bottom wall of the mounting groove is fixedly connected with a stop block, and the distance between one corner of the rod body and the top end of the stop block, which is far away from the upper end of the limiting groove, is greater than the length of the mounting piece.
Through adopting above-mentioned technical scheme, the dog is located between mounting groove and the spacing groove, and the dog makes the flexure strip can not follow the spacing inslot roll-off after getting into the spacing inslot for the flexure strip can be fixed in the spacing inslot.
Optionally, the mounting groove is in a smooth transition from top to bottom of a side wall surface of the stop block, and the wall surface protrudes downwards.
Through adopting above-mentioned technical scheme, when installing the flexure strip in the spacing inslot, the flexure strip slides to the spacing inslot along the smooth inner wall of mounting groove, makes things convenient for the installation of flexure strip.
Optionally, the mounting block is provided with a first threaded hole in which a plurality of inclined parts are arranged, one end of the connecting rod is provided with threads, the connecting rod is in threaded connection with the first threaded hole, and the connecting rod points to the end, far away from the anchor head, of the rod body along the end of the first threaded hole.
Through adopting above-mentioned technical scheme, connecting rod threaded connection is in first threaded hole, and the connecting rod is kept away from the one end of anchor head from the directional body of rod of body one end to the free end, and a plurality of connecting rods form umbelliform structure, form powerful being connected between the concrete of pouring into behind the concrete and solidification for the anchoring ability of stock is better.
Optionally, the mounting block is provided with a connecting hole communicated with the clamping groove, and the mounting block is provided with a positioning piece for fixing the clamping block.
Through adopting above-mentioned technical scheme, the setting element is used for fixed fixture block of butt joint and draw-in groove to fix between two installation pieces for the periphery side of the body of rod is fixed in to the lock that two installation pieces can be more firm, makes the fixed ability of the connecting rod of the body of rod more stable.
Optionally, the fixture block is provided with a second threaded hole coaxial with the connecting hole, and the positioning element is a screw rod penetrating through the connecting hole and in threaded connection with the second threaded hole.
Through adopting above-mentioned technical scheme, the screw rod passes the connecting hole in proper order and threaded connection in the second threaded hole on the fixture block to the fixing to the installation piece has been realized.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the connecting area before the connecting rods and the concrete is increased by arranging the connecting rods in the umbrella-shaped divergent structure on the outer peripheral side of the rod body, so that the connecting strength between the anchor rods and the concrete is improved;
2. the mounting piece and the elastic piece on the outer periphery of the rod body are respectively mounted in the mounting groove and the limiting groove formed in the mounting block, so that the rod body is fixedly connected with the mounting block, and the connecting rod is fixed on the outer periphery of the rod body.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is an exploded view of the rod body and two mounting blocks in an embodiment of the present application;
fig. 3 is a schematic partial cross-sectional view of an embodiment of the present application.
Reference numerals: 1. an anchor head; 2. expanding the shell; 3. a rod body; 4. mounting blocks; 5. a connecting rod; 6. a first threaded hole; 7. a clamping block; 8. a card slot; 9. connecting holes; 10. a second threaded hole; 11. a screw; 12. mounting a sheet; 13. mounting grooves; 14. an elastic sheet; 15. a limiting groove; 16. and a stop block.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses anchor head prestressed anchorage pole in shell expansion formula. Referring to fig. 1, the shell-expanding type inner anchor head prestressed anchor rod comprises an anchor head 1, an expanding shell 2 sleeved on the anchor head 1 and a rod body 3 fixedly connected with the anchor head 1, wherein a plurality of groups of connecting assemblies used for increasing the connecting area are arranged on the periphery of the rod body 3, the number of the connecting assemblies is determined according to the actual working condition and the length of the rod body 3, and two groups of connecting assemblies are arranged when the length of the rod body 3 is within the length range of 1.5m-2 m. Coupling assembling includes two installation pieces 4 and the connecting rod 5 of fixed connection in installation piece 4 that are fixed in body of rod 3 periphery side, and installation piece 4 sets up to semicircle annular, forms the periphery side that connecting rod 5 was located to the circular sliding sleeve after two 4 locks of installation piece.
Referring to fig. 1 and 2, two first screw holes 6 have all been seted up to the one end of two installation pieces 4 at least, two first screw holes 6 slope settings, the one end of connecting rod 5 is seted up threadedly, 5 threaded connection of connecting rod are in first screw hole 6, connect the pole along the directional body of rod 3 of the one end of first screw hole 6 and keep away from the one end of anchor head 1, 5 threaded connection of connecting rod are in first screw hole 6, connecting rod 5 is from the body of rod 3 one end to the directional body of rod 3 of free end and keep away from the one end of anchor head 1, a plurality of connecting rods 5 form the umbelliform structure, form powerful the connection between the concrete of pouring back and solidification, make the anchoring ability of stock better.
Referring to fig. 2 and 3, in order to facilitate the installation of the two installation blocks 4, a fixture block 7 is fixedly connected to an end face of one end of each installation block 4, a clamping groove 8 adapted to the fixture block 7 is formed in an end face of the other end of each installation block 4, the fixture block 7 is square in cross section, and the two installation blocks 4 are butted when the installation blocks 4 are installed on the outer peripheral side of the rod body 3. Connecting hole 9 that communicates with draw-in groove 8 is seted up to installation piece 4, fixture block 7 sets up the second screw hole 10 coaxial with connecting hole 9, installation piece 4 is provided with the setting element that is used for fixed fixture block 7, the setting element sets up to wear to locate connecting hole 9 and threaded connection in the screw rod 11 of second screw hole 10, screw rod 11 passes in proper order connecting hole 9 and threaded connection in the second screw hole 10 on fixture block 7, thereby carry out relatively fixed between with two installation pieces 4, make and can stabilize more between two installation pieces 4.
For the realization is fixed in body of rod 3 periphery side with installation piece 4, body of rod 3 is provided with the mounting that is used for fixed mounting piece 4, the mounting sets up to fixed connection in the installation piece 12 of body of rod 3 periphery side, installation piece 12 is provided with two, be fixed in on the inner wall of 4 intermediate positions of installation piece, installation piece 4 laminates and offers the mounting groove 13 of installation piece 12 adaptation in one side wall of body of rod 3, body of rod 3 is provided with the locking piece that is fixed in installation piece 12 in mounting groove 13, the locking piece sets up to fixed connection in the flexure strip 14 of installation piece 12. The mounting piece 12 and the elastic piece 14 are both made of metal materials with high elasticity and high strength, and one end between the mounting piece 12 and the elastic piece 14 is fixed and provided with a certain acute angle.
The mounting block 4 is provided with a limiting groove 15 for fixing the elastic sheet 14 on the inner wall of the mounting groove 13 opposite to the rod body 3, the limiting groove 15 is communicated with the mounting groove 13, a stop block 16 is fixedly connected on the bottom walls of the limiting groove 15 and the mounting groove 13, the wall surface of the stop block 16 is smooth, the wall surface of the mounting groove 13 on one side of the stop block 16 is in smooth transition from top to bottom and protrudes downwards, when installing installation piece 12 and flexure strip 14 on installation piece 4, earlier draw into spacing inslot 15 through mounting groove 13 with the one corner of installation piece 12 and the 14 concretions of flexure strip, flexure strip 14 moves towards installation piece 12 and slides into spacing inslot 15 gradually under the effect of dog 16, flexure strip 14 bounces open after flexure strip 14 slides into spacing inslot 15, installation piece 12 is located mounting groove 13, flexure strip 14 is located spacing inslot 15, dog 16 makes flexure strip 14 can not follow spacing inslot roll-off, thereby realized the fixed between installation piece 4 and the body of rod 3.
The implementation principle of the anchor head prestressed anchor rod in the expansion shell type is as follows: installation piece 4 is fixed in the body of rod 3, the 7 joint of fixture block makes two 4 locks of installation piece in the periphery side of the body of rod 3 in draw-in groove 8 in installation piece 4, dog 16 is fixed in spacing groove 15 with flexure strip 14, thereby realized being fixed in the periphery side of the body of rod 3 with installation piece 4, 5 threaded fixation of connecting rod are on installation piece 4, behind the concrete pouring in the hole, connecting rod 5 and installation piece 4 have increased the area of connection between the body of rod 3 and the concrete, the anchoring ability of stock has been improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an anchor head prestressed anchorage pole in shell expansion formula, includes anchor head (1), the cover is located expand shell (2) of anchor head (1) and with anchor head (1) fixed connection's the body of rod (3), its characterized in that: the utility model discloses a connection structure of a rod body, including body of rod (3) periphery side, body of rod (3) periphery side is provided with the coupling assembling that is used for increasing connection area, coupling assembling includes that two are fixed in installation piece (4) and a plurality of fixed connection of the body of rod (3) in connecting rod (5) of installation piece (4), installation piece (4) set up to the semicircle ring shape, draw-in groove (8) have been seted up to installation piece (4) one end, other end fixedly connected with fixture block (7), two of draw-in groove (8) adaptation are located cover behind installation piece (4) lock the body of rod (3), body of rod (3) are provided with and are used for fixing the mounting of installation piece (4).
2. The expanding inner anchor head prestressed anchor rod of claim 1, wherein: the mounting sets up to fixed connection in installation piece (12) of the body of rod (3) periphery side, installation piece (4) laminate in a side wall of the body of rod (3) seted up with mounting groove (13) of installation piece (12) adaptation, the body of rod (3) be provided with installation piece (12) are fixed in the locking piece of mounting groove (13).
3. The expanding inner anchor head prestressed anchor rod of claim 2, wherein: the locking piece set up to fixed connection in flexure strip (14) of installation piece (12), installation piece (4) in mounting groove (13) for offer on the inner wall of the body of rod (3) one side and be used for fixing spacing groove (15) of flexure strip (14), spacing groove (15) with mounting groove (13) intercommunication.
4. The expanding inner anchor head prestressed anchor rod of claim 3, wherein: spacing groove (15) with fixedly connected with dog (16) on the diapire of mounting groove (13), spacing groove (15) upper end is kept away from the one corner of the body of rod (3) with distance between dog (16) top is greater than the length of installation piece (12).
5. The expanding inner anchor head prestressed anchor rod of claim 4, wherein: the mounting groove (13) is formed in one side wall face of the stop block (16) in a smooth transition mode from top to bottom, and the wall face protrudes downwards.
6. The expanding inner anchor head prestressed anchor rod of claim 1, wherein: first screw hole (6) that a plurality of slope set up are seted up in installation piece (4), the one end of connecting rod (5) is seted up threadedly, connecting rod (5) threaded connection in first screw hole (6), connecting rod (5) are followed the one end of first screw hole (6) is directional the body of rod (3) is kept away from the one end of anchor head (1).
7. The expanding inner anchor head prestressed anchor rod of claim 1, wherein: the mounting block (4) is provided with a connecting hole (9) communicated with the clamping groove (8), and the mounting block (4) is provided with a positioning piece for fixing the clamping block (7).
8. The expanding inner anchor head prestressed anchor shank of claim 7, wherein: the fixture block (7) is provided with a second threaded hole (10) coaxial with the connecting hole (9), and the positioning piece is arranged to penetrate through the connecting hole (9) and is in threaded connection with a screw rod (11) of the second threaded hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022978549.1U CN214061605U (en) | 2020-12-10 | 2020-12-10 | Expansion shell type inner anchor head prestressed anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022978549.1U CN214061605U (en) | 2020-12-10 | 2020-12-10 | Expansion shell type inner anchor head prestressed anchor rod |
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| Publication Number | Publication Date |
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| CN214061605U true CN214061605U (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022978549.1U Active CN214061605U (en) | 2020-12-10 | 2020-12-10 | Expansion shell type inner anchor head prestressed anchor rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506345A (en) * | 2022-09-02 | 2022-12-23 | 华北水利水电大学 | Retainer for concrete anchor and concrete anchoring assembly |
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2020
- 2020-12-10 CN CN202022978549.1U patent/CN214061605U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115506345A (en) * | 2022-09-02 | 2022-12-23 | 华北水利水电大学 | Retainer for concrete anchor and concrete anchoring assembly |
| CN115506345B (en) * | 2022-09-02 | 2023-10-20 | 华北水利水电大学 | Retainer for concrete anchor and concrete anchor assembly |
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