CN218407488U - Wedge seam type anchor rod - Google Patents

Wedge seam type anchor rod Download PDF

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Publication number
CN218407488U
CN218407488U CN202123233739.1U CN202123233739U CN218407488U CN 218407488 U CN218407488 U CN 218407488U CN 202123233739 U CN202123233739 U CN 202123233739U CN 218407488 U CN218407488 U CN 218407488U
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Prior art keywords
anchor
claw
section
rod
anchoring
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CN202123233739.1U
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Inventor
张强
吴丹
贾国凯
秦跃群
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Beijing Geotechnical Engineering Investigation Institute Co ltd
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Beijing Geotechnical Engineering Investigation Institute Co ltd
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Abstract

The utility model belongs to the technical field of anchor is strutted and specifically relates to a wedge seam formula stock is related to, its free section that includes anchor head, anchor section and be used for connecting anchor section and anchor head, the anchor section includes the anchor pole, the one end of anchor pole with the free section links to each other, be provided with a plurality of anchor claws on the terminal surface of the anchor pole other end, the anchor claw is provided with the expansion piece from the one end of free section, the expansion piece is located between the anchor claw, it is a plurality of the hole diameter that the anchor claw encloses is less than the maximum diameter of expansion piece, the expansion piece to when relative movement takes place for the direction at anchor head place, the anchor claw passes through the expansion piece outwards takes place deformation. This application has increased stock atress form, is difficult to take place to break away from when receiving outside axial tension, improves the reinforced effect of whole support.

Description

Wedge seam type anchor rod
Technical Field
The application relates to the field of anchoring support, in particular to a wedge seam type anchor rod.
Background
The anchor rod has wide application in a plurality of fields such as side slope, foundation ditch, underground structure, the anchor rod not only has and struts effectually, moreover the materials are saved, the construction is simple, be favorable to mechanized operation and construction cycle characteristics such as short.
In the anchor rod construction process at the present stage, the anchor rod needs to be installed in an anchor hole which is formed in the side wall of a rock-soil body in advance, and then the stability between the anchor rod and the embedded base body is improved by pouring cement and the like into the anchor hole.
In view of the above related technologies, the inventor believes that the reinforcing force of the anchor rod at the present stage is mainly axial friction force between the anchor rod and the anchor hole, and the anchor rod is single in stress form and is easy to break away when being subjected to external axial tension, so that the effect of overall supporting and reinforcing is affected.
SUMMERY OF THE UTILITY MODEL
In order to increase stock atress form, be difficult to take place to break away from when receiving outside axial tension, improve whole effect of strutting reinforcement, this application provides a wedge seam formula stock.
The application provides a wedge seam formula stock adopts following technical scheme:
the utility model provides a wedge seam formula stock, includes anchor head, anchor section and is used for connecting the free section of anchor section and anchor head, the anchor section includes the anchor pole, the one end of anchor pole with the free section links to each other, be provided with a plurality of anchor claws on the terminal surface of the anchor pole other end, the anchor claw is provided with the expansion piece from the one end of free section away from, the expansion piece is located between the anchor claw, it is a plurality of the hole diameter that the anchor claw encloses is less than the maximum diameter of expansion piece, the expansion piece to when relative movement takes place for the direction at anchor head place, the anchor claw passes through the deformation takes place for the expansion piece is outside.
Through adopting above-mentioned technical scheme, thereby anchor claw on the anchor rod takes place deformation under the effect of extension piece and inserts in the ground body for the area of contact of anchor rod and ground body increases, and when the anchor rod received and the anchor eye between the axial friction force, the anchor claw can provide the pulling force that prevents the anchor rod and break away from, has increased stock atress form, is difficult to take place to break away from when receiving outside axial tension, improves whole effect of strutting reinforcement.
Optionally, one end of the anchoring claw, which is away from the anchoring rod, is provided with a folded part which is folded outwards.
Through adopting above-mentioned technical scheme, changed the direction of anchor claw through the toper portion for the toper portion inserts the ground body more easily under the effect of expansion piece in, the toper portion has increased the area of anchor claw terminal surface simultaneously, makes anchor claw contact with the expansion piece more easily.
Optionally, the outside of turning over a portion lateral wall is provided with a plurality of barbs, the barb is followed turning over a portion slope direction interval sets up.
Through adopting above-mentioned technical scheme, be provided with the barb on the lateral wall of toper portion, insert the back in the ground body in toper portion, increased the area of contact of toper portion with the ground body through the barb to increase the pulling force between toper portion and the ground body, make the connection between toper portion and the ground body stable.
Optionally, the expansion element comprises a conical tenon, the tip of which faces the anchoring claw.
Through adopting above-mentioned technical scheme, be conical tenon can make the anchor claw receive outside expanding power at the in-process that stretches into the anchor eye to make between the anchor claw to the direction of the axis of keeping away from the anchor pole takes place deformation, and conical tenon stretches into between the anchor claw more easily, makes the process of anchor claw alternate segregation more level and smooth.
Optionally, the anchor claws are provided with reinforcing members, each reinforcing member includes a reinforcing plate and a push rod for pushing the reinforcing plate to move, each anchor claw penetrates through the corresponding reinforcing plate, so that the corresponding reinforcing member is slidably connected with the corresponding anchor claw, each push rod is located between the corresponding anchor claws, one end of each push rod in the length direction abuts against the corresponding tenon, and the other end of each push rod is fixedly connected with the corresponding reinforcing plate.
Through adopting above-mentioned technical scheme, the gusset plate that slides and set up on the anchor claw can make the anchor claw take place deformation in gusset plate department to change the deformation position of anchor claw, make the junction of anchor claw and anchor rod keep structural stability relatively, the push rod can guarantee that the tenon promotes the gusset plate, reduces the unable and gusset plate contact's of tenon condition.
Optionally, one end of the push rod in the length direction is fixedly connected with the tip of the tenon.
Through adopting above-mentioned technical scheme, link together the tenon gusset plate, can make tenon and stock install to the anchor eye in step, reduce holistic construction step, improve the efficiency of construction.
Optionally, one end of the push rod, which is away from the tenon, is detachably connected with the reinforcing plate.
Through adopting above-mentioned technical scheme, detachable tenon can match the push rod of different length according to particular case for the length that the tenon stretches out is adjustable, adjusts the position of gusset plate on the anchor claw, thereby changes the length that the anchor claw takes place to deform.
Optionally, the free section includes a plurality of connecting rods, and a plurality of connecting rods end to end are consecutive, and two are adjacent be provided with the adapter sleeve between the connecting rod, the connecting rod with the adapter sleeve thread links to each other.
Through adopting above-mentioned technical scheme, the connecting rod that the components of a whole that can function independently set up can be adjusted holistic stock length according to actual construction conditions to reduce construction material's waste, practice thrift the cost.
Optionally, the anchor head is connected with the free section through the connecting sleeve, and the anchor section is connected with the free section through another connecting sleeve.
Through adopting above-mentioned technical scheme, can dismantle between anchor head, free end and the anchor section and link to each other, can carry out the components of a whole that can function independently transportation to each part to it is more convenient to make the transportation, utilizes the same adapter sleeve to connect simultaneously, makes the connecting piece between each part more general, saves the cost.
Optionally, the anchor head includes anchor head pole and steel backing plate, the one end of anchor head pole with the free section links to each other, the anchor head pole runs through the steel backing plate thereby makes the steel backing plate with the anchor head pole slides and links to each other, the anchor head pole deviates from the one end of free section is provided with the nut.
By adopting the technical scheme, the steel base plate can be used for increasing the action area between the anchor head and the rock mass, and the pressure between the steel base plate and the rock mass is reduced when the nut is used for consolidating, so that the consolidating stability of the anchor head is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
the anchoring claw on the anchoring rod deforms under the action of the expansion piece and is inserted into the rock-soil body, so that the contact area between the anchoring rod and the rock-soil body is increased, the anchoring rod is subjected to axial friction force between the anchoring rod and the anchor hole, meanwhile, the anchoring claw can provide tension for preventing the anchoring rod from being separated, the stress form of the anchor rod is increased, the anchoring rod is not easy to separate when being subjected to external axial tension, and the integral supporting and reinforcing effect is improved;
the direction of the anchoring claw is changed through the conical part, so that the conical part is more easily inserted into a rock-soil body under the action of the expansion piece, and meanwhile, the area of the end face of the anchoring claw is increased through the conical part, so that the anchoring claw is more easily contacted with the expansion piece;
the gusset plate that slides and set up on anchor claw can make anchor claw take place deformation in gusset plate department to change the deformation position of anchor claw, make the junction of anchor claw and anchor rod keep the structure relatively stable, the push rod can guarantee that the tenon promotes the gusset plate, reduces the unable and gusset plate contact's of tenon condition.
Drawings
Fig. 1 is a schematic view of the overall structure of a wedge-type anchor rod in an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a free segment in an embodiment of the present application.
Fig. 3 is a schematic structural diagram of an anchoring section in the first embodiment of the present application.
Fig. 4 is a schematic view of a wedge anchor mounting structure in an embodiment of the present application.
Fig. 5 is a schematic structural diagram of an anchoring section in the second embodiment of the present application.
Fig. 6 is a schematic structural diagram of an anchoring section in the third embodiment of the present application.
Description of reference numerals: 1. a rock-soil mass; 11. an anchor eye; 2. an anchor head; 21. an anchor rod; 22. a steel backing plate; 23. a nut; 3. a free section; 31. a connecting rod; 32. connecting sleeves; 4. an anchoring section; 41. an anchoring rod; 42. an anchoring claw; 421. a folding part; 422. a barb; 5. a tenon; 6. a reinforcing plate; 61. a push rod; 62. and (7) reinforcing the holes.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
At present, in the construction process, the side wall of the rock-soil body 1 is provided with an anchor hole 11, one end of the anchor hole 11 is closed, and the other end of the anchor hole is communicated with the side wall of the rock-soil body 1.
The first embodiment is as follows:
the embodiment of the application discloses a wedge seam formula stock.
Referring to fig. 1, the wedge-type anchor includes an anchor head 2, a free section 3, and an anchoring section 4 coaxially disposed with the free section 3. During installation, the free section 3 and the anchoring section 4 extend into the rock-soil body 1, and the anchor head 2 is positioned outside the anchor hole 11 and attached to the side wall of the rock-soil body 1. The one end that the stock was provided with anchor section 4 is the head end of stock, and the one end that is provided with anchor head 2 is the tail end of stock.
The free section 3 includes a plurality of connecting rods 31, and the plurality of connecting rods 31 are connected end to end in sequence to form a rod-like structure. A connecting sleeve 32 is connected between two adjacent connecting rods 31 in a threaded manner, an inner thread is formed in an inner hole of the connecting sleeve 32, and outer threads are formed on the outer peripheral surfaces of two ends of each connecting rod 31. One end of one connecting rod 31 extends into the inner hole of the connecting sleeve 32 from one end of the connecting sleeve 32 and is in threaded connection with the connecting sleeve 32; the other connecting rod 31 extends into the inner hole of the connecting sleeve 32 from the other end of the connecting sleeve 32 and is in threaded connection with the connecting sleeve 32.
The anchor head 2 comprises an anchor head rod 21 which is coaxial with the free section 3, and outer threads are arranged on the outer peripheral surfaces of two ends of the anchor head rod 21 in the length direction. A further connecting sleeve 32 is screwed between the anchor rod 21 and the free section 3, so that the anchor rod 21 and the free section 3 are connected together by the connecting sleeve 32. One end of the anchor rod 21 departing from the free section 3 is slidably connected with a steel backing plate 22, a through hole is formed in the surface of the steel backing plate 22, and the anchor rod 21 penetrates through the through hole so that the steel backing plate 22 can move along the axis direction of the anchor rod 21.
The end of the anchor rod 21 facing away from the free section 3 is further connected with a nut 23 in a threaded manner, and the nut 23 is located on the side of the steel shim plate 22 facing away from the free section 3. When the nut 23 is close to the free section 3 in the axial direction of the anchor head rod 21, the nut 23 presses the steel shim plate 22, thereby compressing the steel shim plate 22 between the nut 23 and the sidewall of the rock-soil mass 1.
The anchoring section 4 includes an anchoring rod 41, and an external thread is formed on a circumferential surface of one end of the anchoring rod 41, so that the anchoring rod 41 and the connecting rod 31 are connected together by a thread bushing. The other end of the anchor rod 41 is fixedly connected with a plurality of anchor claws 42 having a sector ring-shaped cross section, and the longitudinal direction of the anchor claws 42 is arranged along the axial direction of the anchor rod 41. The anchoring claws 42 are provided in plural at intervals in the circumferential direction of the anchoring bar 41, and the number of the anchoring claws 42 is three in the present embodiment.
One end of the anchoring claw 42 is fixedly connected to the end face of the anchoring rod 41 facing away from the free section 3, and the other end extends along the axis of the anchoring rod 41 in a direction facing away from the anchoring rod 41. Of the two ends of the anchoring claw 42 in the longitudinal direction, one end connected to the anchoring rod 41 is a fixed end of the anchoring claw 42, and the other end is an expanded end of the anchoring claw 42. The expanded end of the anchoring claw 42 is fixed with a folded portion 421 that is folded outward. Barbs 422 are arranged on the outer side of the side wall of the folded part 421, and a plurality of barbs 422 are arranged at intervals along the inclined direction of the folded part 421.
One end of the anchoring claw 42 departing from the free section 3 is movably provided with a conical tenon 5, the tenon 5 and the anchoring section 4 are coaxially arranged, and the tip of the tenon 5 points to the head end of the anchor rod. The tip of the tenon 5 is located in the inner hole surrounded by the anchoring claw 42, and the maximum diameter of the tenon 5 is larger than the maximum distance from the folded part 421 of the anchoring claw 42 to the axis of the anchoring section 4.
The implementation principle of a wedge seam formula stock of this application embodiment does: during the installation, the staff puts into the anchor eye 11 of seting up on the ground body 1 with tenon 5 at first, then inserts anchor eye 11 with the first section of stock, when anchor section 4 is close to tenon 5 with free section 3, during the inclined plane of tenon 5 and the folding portion 421 looks butt on the anchor claw 42, the inclined plane of tenon 5 promotes the folding portion 421 of anchor claw 42 and takes place deformation to the axis direction of leaving the stock backward to make folding portion 421 stretch into in the ground body 1, thereby increase the stress between stock and the ground body 1.
Example two:
the embodiment of the application discloses a wedge seam formula stock.
Referring to the drawings, the difference between the second embodiment and the first embodiment is that:
the anchor claws 42 are connected with reinforcing plates 6 in a sliding mode, a plurality of through holes are formed in the reinforcing plates 6, the number of the through holes is the same as that of the anchor claws 42, the through holes are one to one opposite to that of the anchor claws 42, and the reinforcing plates 6 are connected with the anchor claws 42 in a sliding mode through hole sleeves. The reinforcing plate 6 is fixedly connected with a push rod 61 for pushing the reinforcing plate 6 to move, and the push rod 61 is arranged coaxially with the anchoring section 4. One end of the push rod 61 is fixedly connected with the reinforcing plate 6, and the other end thereof extends out of the anchoring section 4 from the folded portion 421 of the anchoring claw 42. When the anchor rod approaches the tenon 5 along the axial direction of the anchor rod, and one end of the push rod 61 extending out of the end surface of the turnover portion 421 abuts against the tenon 5, the tenon 5 pushes the reinforcing plate 6 to move along the length direction of the anchoring claw 42 through the push rod 61.
The implementation principle of a wedge seam formula stock of this application embodiment does: when the anchoring section 4 extends into the anchoring hole 11, when the end surface of the push rod 61 departing from the reinforcing plate 6 abuts against the tip end of the tenon 5, the tenon 5 pushes the push rod 61 so as to enable the reinforcing plate 6 and the push rod 61 to synchronously move along the length direction of the anchoring claw 42 in the direction away from the tenon 5, so that the anchoring claw 42 is bent from the reinforcing plate 6, and the fracture of the joint of the anchoring claw 42 and the anchoring rod 41 is prevented.
Example three:
the embodiment of the application discloses a wedge seam formula stock.
Referring to the drawings, the difference between the third embodiment and the second embodiment is that: reinforcing hole 62 has been seted up on the face of gusset plate 6, has seted up the internal thread on the pore wall of reinforcing hole 62, has seted up the external screw thread on the lateral wall of the one end of push rod 61, and push rod 61 sets up the threaded one end and inserts in reinforcing hole 62 to make push rod 61 and gusset plate 6 screw thread continuous. The end of the push rod 61 facing away from the reinforcing plate 6 is fixedly connected with the tip of the tenon 5.
The implementation principle of a wedge seam formula stock of this application embodiment does: when the anchoring section 4 extends into the anchoring hole 11, the tenon 5 synchronously enters the anchoring hole 11 along with the anchoring section 4, when the end surface of the tenon 5 abuts against the bottom end of the anchoring hole 11, the anchoring section 4 continuously moves towards the inside of the anchoring hole 11, and the tenon 5 pushes the reinforcing plate 6 to be close to the anchoring rod 41 along the axial direction of the anchoring claw 42, so that the anchoring claw 42 is bent from the reinforcing plate 6, and the joint of the anchoring claw 42 and the anchoring rod 41 is prevented from being broken.
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 (10)

1. A wedge seam formula stock which characterized in that: including anchor head (2), anchor section (4) and be used for connecting free section (3) of anchor section (4) and anchor head (2), anchor section (4) are including anchor rod (41), the one end of anchor rod (41) with free section (3) link to each other, be provided with a plurality of anchor claw (42) on the terminal surface of the anchor rod (41) other end, the one end that anchor claw (42) deviate from free section (3) is provided with the expansion piece, the expansion piece is located between anchor claw (42), it is a plurality of the hole diameter that anchor claw (42) enclose is less than the maximum diameter of expansion piece, the expansion piece to when relative movement takes place for the direction at anchor head (2) place, anchor claw (42) pass through the deformation takes place for outside for the expansion piece.
2. A keystone bolt as claimed in claim 1 wherein: one end of the anchoring claw (42) departing from the anchoring rod (41) is provided with a folding part (421) which is folded outwards.
3. A keyseat bolt as claimed in claim 2 wherein: the outside of turning over a portion (421) lateral wall is provided with a plurality of barbs (422), barb (422) are followed turning over a portion (421) incline direction interval sets up.
4. A keystone bolt as claimed in claim 1 wherein: the expansion element comprises a conical tenon (5), the tip of the tenon (5) faces the anchoring claw (42).
5. A Wedget anchor according to claim 4, in which: the anchor claw (42) is provided with a reinforcing member, the reinforcing member comprises a reinforcing plate (6) and a push rod (61) used for pushing the reinforcing plate (6) to move, the anchor claw (42) penetrates through the reinforcing plate (6) so that the reinforcing member is connected with the anchor claw (42) in a sliding mode, the push rod (61) is located between the anchor claws (42), one end of the push rod (61) in the length direction is abutted to the tenon (5), and the other end of the push rod is fixedly connected with the reinforcing plate (6).
6. A keyseat bolt as claimed in claim 5, wherein: one end of the push rod (61) in the length direction is fixedly connected with the tip end of the tenon (5).
7. A Wedget anchor according to claim 6, wherein: one end of the push rod (61) departing from the tenon (5) is detachably connected with the reinforcing plate (6).
8. A keystone bolt as claimed in claim 1 wherein: the free section (3) comprises a plurality of connecting rods (31), the connecting rods (31) are sequentially connected end to end, two adjacent connecting rods (31) are provided with connecting sleeves (32), and the connecting rods (31) are in threaded connection with the connecting sleeves (32).
9. A keyseat bolt as claimed in claim 8 wherein: the anchor head (2) is connected with the free section (3) through the connecting sleeve (32), and the anchor section (4) is connected with the free section (3) through the other connecting sleeve (32).
10. A keystone bolt as claimed in claim 1 wherein: anchor head (2) include anchor head pole (21) and steel backing plate (22), the one end of anchor head pole (21) with free section (3) link to each other, anchor head pole (21) run through steel backing plate (22) thereby make steel backing plate (22) with anchor head pole (21) slide and link to each other, anchor head pole (21) deviate from the one end of free section (3) is provided with nut (23).
CN202123233739.1U 2021-12-21 2021-12-21 Wedge seam type anchor rod Active CN218407488U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123233739.1U CN218407488U (en) 2021-12-21 2021-12-21 Wedge seam type anchor rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123233739.1U CN218407488U (en) 2021-12-21 2021-12-21 Wedge seam type anchor rod

Publications (1)

Publication Number Publication Date
CN218407488U true CN218407488U (en) 2023-01-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123233739.1U Active CN218407488U (en) 2021-12-21 2021-12-21 Wedge seam type anchor rod

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116591196A (en) * 2023-07-17 2023-08-15 中铁建工集团第二建设有限公司 Flexible supporting structure of excavation side slope

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116591196A (en) * 2023-07-17 2023-08-15 中铁建工集团第二建设有限公司 Flexible supporting structure of excavation side slope
CN116591196B (en) * 2023-07-17 2023-10-10 中铁建工集团第二建设有限公司 Flexible supporting structure of excavation side slope

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