CN109853543B

CN109853543B - Assembled guide cap for anchor rod

Info

Publication number: CN109853543B
Application number: CN201910249250.1A
Authority: CN
Inventors: 涂兵雄; 俞缙; 蔡燕燕; 程强; 刘士雨; 程继宝
Original assignee: Huaqiao University
Current assignee: Huaqiao University
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2024-02-23
Anticipated expiration: 2039-03-29
Also published as: CN109853543A

Abstract

The invention relates to an assembled guide cap for an anchor rod, which comprises an anchor rod body, a stopper body sleeved on the anchor rod body, a limiting body and a locking ring for fixing the stopper body, and a guide cap clamped on the stopper body. According to the technical scheme, the assembled plug body is used as a carrier, the plug body can be quickly fixed by adopting the limiting body and the locking ring, and then the guide cap is directly inserted into the plug body to finish installation, so that the assembly and construction are convenient, and the efficiency is extremely high; the end of the guide cap is provided with the guide ball, so that the guide ball is easy to drop and advance in a drilled hole, and the guide cap is simple in structure and easy for standardized batch production.

Description

Assembled guide cap for anchor rod

Technical Field

The invention relates to an assembled guide cap for an anchor rod.

Background

The anchor rod is widely applied to projects such as foundation pits, slopes, water conservancy, tunnels and the like due to good anchoring performance. The length of the anchor rod is generally tens of meters shorter and fifty meters longer or even longer according to the stratum hardness condition and engineering design bearing capacity requirement. In engineering, the anchor rod is usually prestressed, so that steel stranded wires are basically used as the tendons. Because the steel strand wires are softer, when the anchor rod drilling process of transferring to, easily the bending pierces into in the drilling bottom soil body, not only lead to producing the soil sediment in the drilling, be difficult to transfer to the design degree of depth moreover. Most of the practical engineering adopts a drilling machine to forcedly jack up to the design depth of the anchor rod, so that the construction efficiency is extremely low, and a certain potential safety hazard is caused to the engineering. In large-scale engineering, a guide device with a certain function is arranged at the bottom of the anchor rod tendon occasionally, but a simple device such as a conical shape is adopted for temporarily welding and processing a sheet iron. In comparison with the absence of the guide, the following obvious determinations are made despite the positive effect: (1) The temporary processing component has larger manufacturing error and lower manufacturing efficiency; (2) The rib body is mainly welded and connected with the rib body, and the installation is very troublesome; (3) the manufacturing and mounting efficiency is low, and the manufacturing cost is high.

Therefore, a guide device which can be quickly installed on a construction site, is simple in structure and easy for mass production is sought, the construction efficiency can be greatly improved, a certain cost can be saved, and the device can be greatly popularized and applied in engineering industry.

In view of this, the present inventors have conducted intensive studies on the above problems, and have made the present invention.

Disclosure of Invention

The invention aims to provide the anchor rod with the assembled guide cap, which has the advantages of simple structure, high construction efficiency and easiness in mass production and processing.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the assembled guide cap for the anchor rod comprises an anchor rod body, a plug body sleeved on the anchor rod body, a limiting body and a locking ring for fixing the plug body, and a guide cap clamped on the plug body, wherein a plug rib groove and a plug rib opening are formed in the plug body in a surrounding manner, a grouting pipe bracket groove is formed in the plug rib opening, the plug rib groove, the plug rib opening and the grouting pipe dragging groove extend from one axial end to the other axial end of the plug body, and the plug rib groove, the plug rib opening and the grouting pipe dragging groove extend from the outer wall of the plug body to the center; the plug body is provided with a T-shaped clamping groove in a surrounding mode, the T-shaped clamping groove extends from one axial end of the plug body to the other axial end, and the T-shaped clamping groove extends from the outer wall of the plug body to the center; the stopper body axial both ends are provided with the spacing groove, and the spacing groove department symmetry at stopper body both ends is provided with the same spacing body and catch, and the spacing body includes holds in the palm the muscle body and forms the toper spring bolt on holding in the palm the muscle body, holds in the palm between muscle body and the toper spring bolt and form annular lockstitch, is equipped with radial lockstitch on the toper spring bolt, and radial lockstitch runs through to annular lockstitch from the outer wall of toper spring bolt, hold in the palm still be equipped with on the muscle body and put the muscle groove, be equipped with on the toper spring bolt with put the muscle mouth of putting the muscle groove intercommunication, put the muscle groove and put the muscle mouth and all follow the axial one end of spacing body is extended to the other end, put the muscle groove and be linked together with the stopper muscle groove on the stopper body, still be equipped with the external screw thread at toper spring bolt outer wall, the catch inner wall be equipped with the external screw thread matched with of toper spring bolt, the catch is established outside the toper spring bolt with threaded connection's mode cover, and still including setting up the spacing cap in support muscle one end, spacing cap and stopper body on the stopper body and the spacing groove mutually support the muscle, still be equipped with put the muscle groove, put the axial one end, with on the guide sleeve, put the axial T, with the guide sleeve, put the axial T on the guide body, the axial T.

As a preferable mode of the invention, the width of the annular lock seam is 5-15mm, the width of the radial lock seam is 4-10mm, and the width of the rib placing opening is the same as the diameter of the rib placing groove.

As a preferable mode of the invention, when the diameter of the grouting pipe is larger than that of the anchor rod body, a grouting pipe bracket with the width directly matched with that of the grouting pipe can be arranged in the middle of the stopper rib opening of the stopper body.

In a preferred mode of the invention, the plurality of T-shaped clamping rails are uniformly distributed in the guide cylinder along the circumferential direction.

As a preferred mode of the invention, the T-shaped clamping rail extends out of the end of the guide cylinder, and the extending length is 10-30mm.

As a preferable mode of the invention, the thickness of the outer end head of the T-shaped clamping rail is 1-2mm smaller than the width of the T-shaped clamping groove, the thickness of the inner end head of the T-shaped clamping rail is 2-3mm larger than the width of the T-shaped clamping groove, and the width of the T-shaped clamping rail is uniformly changed from the outer end head to the inner end head.

According to the technical scheme, the assembled plug body is used as a carrier, the plug body can be quickly fixed by adopting the limiting body and the locking ring, and then the T-shaped clamping rail of the guide cap is directly inserted into the T-shaped clamping groove of the plug body, so that the guide cap can be installed, the assembly and construction are convenient, and the efficiency is extremely high; the end of the guide cap is provided with the guide ball, so that the guide ball is easy to drop and advance in a drilled hole, and the guide cap is simple in structure and easy for standardized batch production.

Drawings

FIG. 1 is a schematic view of an assembled deflector cap assembly of the present invention.

FIG. 2 is a cross-sectional view of FIG. 1 A-A in accordance with the present invention.

Fig. 3 is a longitudinal cross-sectional view of a plug body of the present invention.

FIG. 4 is a cross-sectional view B-B of FIG. 3 in accordance with the present invention.

FIG. 5 is a cross-sectional view of FIG. 4C-C in accordance with the present invention.

Fig. 6 is a longitudinal cross-sectional view of a spacing body of the present invention.

Fig. 7 is a left side view of fig. 6 in accordance with the present invention.

Fig. 8 is a right side view of fig. 6 in accordance with the present invention.

Fig. 9 is a sectional view of the invention taken along line D-D of fig. 6.

FIG. 10 is a cross-sectional view of FIG. 6E-E in accordance with the present invention.

FIG. 11 is a cross-sectional view of a locking ring of the present invention.

Fig. 12 is a longitudinal cross-sectional view of the locking ring of the present invention.

Fig. 13 is a longitudinal cross-sectional view of the assembled guide cap of the present invention.

Fig. 14 is a left side view of fig. 13 in accordance with the present invention.

Fig. 15 is a right side view of fig. 13 in accordance with the present invention.

FIG. 16 is a cross-sectional view of F-F in FIG. 13 in accordance with the present invention.

FIG. 17 is a section view of the G-G of FIG. 13 in accordance with the present invention.

Fig. 18 is a schematic drawing of a tension and compression composite bolt with a reinforced grouting pipe joint installed.

Fig. 19 is a sectional view of the reinforced grouting pipe section installed at the bearing plate.

Fig. 20 is a cross-sectional view of the bearing plate of the present invention.

FIG. 21 is a cross-sectional view of FIG. 20 A-A in accordance with the present invention.

FIG. 22 is a cross-sectional view of the connection of the reinforced grouting pipe section and the bearing plate of the present invention.

FIG. 23 is a longitudinal cross-sectional view of a double-ended nipple of the invention.

FIG. 24 is a cross-sectional view B-B of FIG. 23 in accordance with the present invention.

Figure 25 is a longitudinal cross-sectional view of a pressure containing section of pipe according to the present invention.

Fig. 26 is a longitudinal cross-sectional view of a tension section tube segment of the present invention.

Fig. 27 is a cross-sectional view of fig. 25 and 26 taken along line C-C in accordance with the present invention.

Figure 28 is an elevational view of a pressure containing section of pipe according to the present invention.

Fig. 29 is an elevation view of a tension section tube segment of the present invention.

FIG. 30 is a schematic view of the split centering plug assembly of the present invention.

Fig. 31 is a longitudinal cross-sectional view of a bracket of the present invention.

FIG. 32 is a cross-sectional view of F-F in FIG. 31 in accordance with the present invention.

FIG. 33 is a cross-sectional view of FIG. 31 taken along line G-G in accordance with the present invention.

Fig. 34 is a section view H-H of fig. 31 in accordance with the present invention.

FIG. 35 is a cross-sectional view I-I of FIG. 31 in accordance with the present invention.

FIG. 36 is a J-J section view of FIG. 31 in accordance with the present invention.

Fig. 37 is a cross-sectional view of a chuck for a male pallet of the present invention.

Fig. 38 is a bayonet cross-section of a female bracket of the present invention.

FIG. 39 is a schematic view of the quick-fit centering bracket of the present invention.

Fig. 40 is a cross-sectional view of a T-shaped plug of the present invention.

FIG. 41 is a cross-sectional view A-A of FIG. 40 in accordance with the present invention.

FIG. 42 is a cross-sectional view B-B of FIG. 40 in accordance with the present invention.

Fig. 43 is a longitudinal cross-sectional view of the assembled locking ring of the present invention.

FIG. 44 is a cross-sectional view of the K-K of FIG. 43 in accordance with the present invention.

FIG. 45 is a cross-sectional view of the L-L of FIG. 43 in accordance with the present invention.

Fig. 46 is a male locking collar elevation view of the assembled locking collar of the present invention.

Fig. 47 is a front view of a female locking ring of the assembled locking ring of the present invention.

Fig. 48 is a male locking collar side view of the assembled locking collar of the present invention.

Fig. 49 is a side view of a female locking ring of the assembled locking ring of the present invention.

FIG. 50 is a schematic view of another embodiment of a split support panel according to the present invention.

FIG. 51 is a schematic view of another embodiment of a split support plate of the present invention in combination with a plug.

In the figure:

sleeve 11 of anchor rod body 10

Center hole 21 of plug body 20

The rib penetrating hole 22 plugs the rib groove 23

Stopper rib mouth 24T shaped clamping groove 25

Spacing groove 26 grouting pipe bracket 27

Guide cap 30 and guide tube 31

Guide ball 32T shaped clip rail 33

Limit body 40 supports rib body 41

Annular lock slit 43 of conical lock tongue 42

Radial lock slot 49 rib groove 44

Rib placing port 45 limit cap 46

External thread 47 limit clip 48

Internal thread 51 of lock ring 50

T-shaped plug 52 male locking ring 501

Trapezoidal lock rail 503 of female lock ring 502

First abutting surface 505 of trapezoidal locking groove 504

Second abutment surface 506 plug 521

Bearing plate 60 pipe joint hole 61

Double-end screwed pipe 71 pressure-bearing section pipe joint 72

Tension section pipe joint 73 screw thread part 74

Connecting screw 75 spacer 76

Eyelet 77 closure plate 78

Guide plate 81 of bracket 80

Spacing ring 82 male bracket 801

Female bracket 802 tie 803

Chuck 804 bayonet 805

Towing plate 806 807-trapezoid clamping rail

808-trapezoidal clamping groove 809-locking screw thread

Grouting body 91 of grouting pipe 90

Rock-soil body 92 reinforced grouting pipe 93

Detailed Description

For further explanation of the technical solution of the present invention, details are described below with reference to fig. 1 to 51. Parts are exaggerated in the drawings to facilitate viewing of the present invention.

Example 1

Referring to fig. 1 to 17, an assembled guide cap for an anchor rod includes an anchor rod body 10, a stopper body 20 sleeved on the anchor rod body 10, a stopper body 40 and a locking ring 50 for fixing the stopper body 20, and a guide cap 30 fastened on the stopper body 20. The anchor rod body 10 according to the present invention may be a steel bar or a steel strand. The stopper body 20 is provided with a stopper rib groove 23 and a stopper rib opening 24 in a ring manner, the stopper rib opening 24 is provided with a grouting pipe bracket 27, the stopper rib groove 23, the stopper rib opening 24 and the grouting pipe bracket 27 extend from one axial end to the other axial end of the stopper body 20, and the stopper rib groove 23, the stopper rib opening 24 and the grouting pipe bracket 27 extend from the outer wall of the stopper body 20 to the center; the plug body 20 is provided with a T-shaped clamping groove 25 in a surrounding mode, the T-shaped clamping groove 25 extends from one end to the other end of the axial direction of the plug body 20, and the T-shaped clamping groove 25 extends from the outer wall of the plug body 20 to the center; limiting grooves 26 are formed in the two axial ends of the plug body 20. The same limiting body 40 and locking ring 50 are symmetrically arranged at the limiting grooves 26 at the two ends of the plug body 20, the limiting body 40 comprises a supporting rib body 41 and a conical lock tongue 42 formed on the supporting rib body 41, an annular lock slit 43 is formed between the supporting rib body 41 and the conical lock tongue 42, a radial lock slit 49 is formed in the conical lock tongue 42, the radial lock slit 49 penetrates through the annular lock slit 43 from the outer wall of the conical lock tongue 42, in the embodiment, a plurality of radial lock slits 49 are arranged, the plurality of radial lock slits 49 are distributed along the circumference of the conical lock tongue 42, and the scaling of the conical lock tongue 42 can be assisted by arranging the radial lock slits 49. The rib supporting body 41 is further provided with a rib placing groove 44, the conical lock tongue 42 is provided with a rib placing port 45 communicated with the rib placing groove 44, the rib placing groove 44 and the rib placing port 45 extend from one axial end of the limiting body 40 to the other axial end, the rib placing groove 44 is communicated with the rib plugging groove 23 on the plug body 20, the outer wall of the conical lock tongue 42 is further provided with an external thread 47, the inner wall of the lock ring 50 is provided with an internal thread 51 matched with the external thread 47 of the conical lock tongue 42, and the lock ring 50 is sleeved outside the conical lock tongue 42 in a threaded connection mode. The spacing body 40 further includes a spacing cap 46 disposed on the rib body, and the spacing cap 46 is used in cooperation with the spacing groove 26 on the plug body 20. In the embodiment, the rib placing grooves 44 and the rib placing openings 45 are multiple, the rib placing grooves 44 are uniformly distributed on the rib supporting body 41 along the circumferential direction, and the rib placing openings 45 are uniformly distributed on the conical lock tongue 42 along the circumferential direction. In the present invention, the guide cap 30 is clamped on the plug body 20, the guide cap 30 includes a guide cylinder 31 and a guide ball 32 formed on one end of the guide cylinder 31, a T-shaped clamping rail 33 is provided on the inner wall of the guide cylinder 31, the T-shaped clamping rail 33 is disposed along the axial direction of the guide cylinder 31, and the T-shaped clamping rail 33 is used in cooperation with the T-shaped clamping groove 25 on the plug body 20.

As a preferred mode of the present invention, the width (i.e., the extending distance in the radial direction) of the annular lock slit 43 is 5-15mm, and the width (i.e., the extending distance in the circumferential direction) of the radial lock slit 49 is 4-10mm. Preferably, the width of the rib placing opening 45 is the same as the diameter of the rib placing groove 44.

As a preferable mode of the present invention, the plurality of T-shaped clamping rails 33 are provided, and the plurality of T-shaped clamping rails 33 are uniformly distributed in the guide cylinder 31 along the circumferential direction. As a preferred mode of the present invention, the T-shaped clip rail 33 extends from the end of the guide cylinder 31 by a length of 10-30mm. As a preferred mode of the present invention, the thickness of the outer end of the T-shaped clamping rail 33 is 1-2mm smaller than the width of the T-shaped clamping groove 25, the thickness of the inner end of the T-shaped clamping rail 33 is 2-3mm larger than the width of the T-shaped clamping groove 25, and the width of the T-shaped clamping rail 33 uniformly varies from the outer end to the inner end.

According to the technical scheme, the plug body 20 is used as a carrier, the plug body 20 can be quickly fixed by adopting the limiting body 40 and the locking ring 50, and then the T-shaped clamping rail 33 of the guide cap 30 is directly inserted into the T-shaped clamping groove 25 of the plug body 20, so that the installation can be finished, the assembly and construction are convenient, and the efficiency is extremely high; the end of the guide cap 30 is provided with the guide ball 32, so that the guide cap 30 is easy to be lowered and advanced in a drilled hole, and the guide cap 30 is simple in structure and easy for standardized batch production.

The construction steps of the invention are as follows: (1) Firstly, sleeving a locking ring 50 into a proper position from the bottom of the anchor rod body 10; then the anchor rod body 10 is inserted into the rib placing groove 44 from the rib placing opening 45 of the limiting body 40; (2) Then the stopper body 20 is clamped from the bottom, and the anchor rod body 10 is plugged into the stopper rib groove 23 from the stopper rib opening 24 of the stopper body 20; (3) Then a limit body 40 is clamped into the stopper body 20 from the bottom of the anchor rod body 10, the anchor rod body 10 is plugged into the rib placing groove 44 from the rib placing opening 45 of the limit body 40, and then a locking ring 50 is sleeved into the anchor rod body 10 from the bottom; (4) After the spacing bodies 40 on two sides of the plug body 20 are moved to the spacing grooves 26 on two sides respectively and the distance between the plug body 20 and the spacing bodies 40 on two sides to the bottom of the anchor rod body 10 is properly adjusted, the spacing caps 46 of the spacing bodies 40 are aligned with the spacing grooves 26 of the plug body 20 to be tightly clamped, locking rings 50 on two sides of the spacing bodies 20 are respectively moved to the spacing bodies 40 to be screwed to be tightly fastened, and then the installation and the fixation of the plug body 20 are completed; (5) The end of the grouting pipe 90 is plugged into the grouting pipe bracket 27 from the stopper rib opening 24 of the stopper body and is clamped; (6) The T-shaped clamping rail 33 of the guide cap 30 is aligned with the T-shaped clamping groove 25 in the plug body 20, and then inserted into the T-shaped clamping groove 25 and clamped; the installation of the guide cap 30 is completed.

Example two

Referring to fig. 18 to 29, the present invention further provides a combined bearing plate capable of reinforcing front and rear grouting bodies, which comprises a bearing plate 60, wherein the bearing plate is provided with a central hole 21 and a plurality of rib penetrating holes 22, and the plurality of rib penetrating holes 22 are annularly arranged at the periphery of the central hole 21. The invention further comprises a pipe joint hole 61 arranged on the bearing plate 60, a double-end screwed pipe 71 is penetrated in the pipe joint hole 61, two ends of the double-end screwed pipe 71 along the axial direction are provided with a first end and a second end, the first end is in screwed connection with a bearing section pipe joint 72, the second end is provided with a tension section pipe joint 73, the bearing section pipe joint 72 and the tension section pipe joint 73 are respectively arranged on two sides of the bearing plate 60, the side wall of the bearing section pipe joint 72 is provided with an eyelet 77 communicated with the inner wall of the bearing section pipe joint 72, the side wall of the tension section pipe joint 73 is provided with an eyelet 77 communicated with the inner wall of the tension section pipe joint 73, one end of the tension section pipe joint 73 far away from the double-end screwed pipe 71 is provided with a sealing plate 78, and one end of the bearing section pipe joint 72 far away from the double-end screwed pipe 71 is connected with a reinforced grouting pipe 93.

As a preferable mode of the present invention, the distance between the pipe joint hole 61 and the outer wall of the bearing plate 60 is 5-15mm. As a preferable mode of the invention, both ends of the double-ended screw pipe 71 are provided with screw thread parts 74 with the length of 10-20mm, and the length of the double-ended screw pipe 71 is 20-40mm larger than the thickness of the bearing plate 60. Connecting threads 75 are arranged in the pressure-bearing section pipe joint 72 and the tension section pipe joint 73 corresponding to the threaded portions 74.

As a preferable mode of the invention, a spacer 76 is arranged between the pressure-bearing section pipe joint 72 and the pressure-bearing plate 60, a spacer 76 is arranged between the tension-bearing section pipe joint 73 and the pressure-bearing plate 60, the outer diameter of the spacer 76 is 3-6mm larger than the diameter of the pipe joint hole 61, and the lengths of the pressure-bearing section pipe joint 72 and the tension-bearing section pipe joint 73 are 2-6 times the diameter of the pressure-bearing plate 60.

As a preferred mode of the present invention, the holes 77 of the bearing section pipe joint 72 are arranged along the length direction of the bearing section pipe joint 72, the holes 77 of the tension section pipe joint 73 are arranged along the length direction of the tension section pipe joint 73, and the horizontal distance between the adjacent holes 77 is 80-100mm. As a preferred form of the invention, the perforations 77 are arranged in a quincuncial pattern along the side walls of the pressure section tube sections 72 and tension section tube sections 73.

The utility model provides an anchor, includes the stock body 10 and overlaps the bearing plate 60 of establishing at stock body 10, and stock body 10 is equipped with sleeve pipe 11 in bearing plate 60 axial one end cover that is close to the anchor head, and stock body 10 is equipped with spacing card 48 in bearing plate 60 axial other end that is close to the stock bottom, bearing plate 60 adopts the combination bearing plate of foretell slip casting body around can strengthening.

By adopting the technical scheme of the invention, grouting is carried out through the bearing section pipe joint 72 and the tension section pipe joint 73 which are arranged in front of and behind the bearing plate 60, and slurry continuously flows out from the holes 77, so that soil scraps or soil residues in the front and rear range of the bearing plate 60 can be purified, the problem that mud is clamped in the grouting body 91 in front of and behind the bearing plate 60 in engineering is effectively solved, and the strength of the grouting body 91 in front of and behind the bearing plate 60 is greatly improved; because the strength of the front grouting body 91 and the rear grouting body 91 of the bearing plate 60 is effectively ensured, the bearing anchoring section and the tension anchoring section can cooperatively bear, and the bearing capacity is greatly improved.

The construction steps of the combined bearing plate capable of reinforcing the front and rear grouting bodies are as follows: (1) inserting the anchor rod body 10 into the bearing plate 60; after the bearing plate 60 is moved to the design position, the limiting clamp 48 is adopted for fixing; sleeve 11 is sleeved on the anchor rod body 10 between the bearing plate 60 and the anchor head; penetrating the grouting pipe 90 from the center hole 21 of the bearing plate 60 to a designed depth; (2) Penetrating the double-end screwed pipe 71 into the pipe joint hole 61, sleeving gaskets 76 from two ends respectively, and adjusting the double-end screwed pipe 71 to enable all exposed ends to be double-end external screws; (3) On the side of the limit clamp 48, screwing the tension section pipe joint 73 onto the threaded part 74 of the double-head screw pipe 71 until the contact gasket 76 stops; (4) On the anchor head side, the pressure-bearing section pipe joint 72 is screwed into the threaded part 74 of the double-head screw pipe 71 until the contact gasket 76 stops; (5) At both sides of the bearing plate 60, the bearing section pipe joint 72 and the tension section pipe joint 73 are oppositely screwed to be tight; (6) After the end of the pressure-bearing section pipe joint 72 far away from the pressure-bearing plate 60 is sleeved with the reinforced grouting pipe 93, the anchor rod body is put into an anchor rod drilling hole; (7) Grouting is started from the hole bottom through the grouting pipe 90, and when cement slurry flows to the bearing plate 60, the reinforced grouting pipe 93 is opened; when the orifice starts to flow out cement slurry, the grouting pipe 90 is stopped for grouting, and the grouting pipe 90 is extracted; when the cement slurry continuously overflows from the orifice, the grouting of the reinforced grouting pipe 93 is stopped, and the reinforced grouting pipe 93 is pulled out, so that the grouting work of the anchor rod is completed.

Example III

Referring to fig. 3 to 12, and fig. 30 to 38, the invention further provides a split centering plug for anchor rod centering, which comprises a plug body 20, wherein limiting mechanisms are arranged on two sides of the plug body 20 along the axial direction, a plug rib opening 24 and a plug rib groove 23 are arranged on the plug body 20, two semi-cylindrical brackets 80 are further included, a T-shaped clamping rail 33 is arranged on the inner wall of each bracket 80, a T-shaped clamping groove 25 matched with the T-shaped clamping rail 33 is correspondingly arranged on the plug body 20, the T-shaped clamping groove 25 extends from one axial end to the other end of the plug body 20, the T-shaped clamping groove 25 extends from the outer wall of the plug body 20 to the center, a guide plate 81 is arranged at one axial end of each bracket 80, and a limiting member for limiting the movement of the plug body 20 to the guide plate 81 is arranged on the inner wall of each bracket 80.

As a preferred mode of the present invention, the stopper is a stopper ring 82.

As a preferred mode of the invention, the limiting mechanism comprises a limiting body 40 and a locking ring 50, the limiting body 40 comprises a supporting rib body 41 and a conical lock tongue 42 formed on the supporting rib body 41, an annular lock slot 43 is formed between the supporting rib body 41 and the conical lock tongue 42, the locking ring 50 is sleeved outside the conical lock tongue 42 in a threaded connection mode, a radial lock slot 49 is formed in the conical lock tongue 42, the radial lock slot 49 penetrates from the outer wall of the conical lock tongue 42 to the annular lock slot 43, a rib placing groove 44 is further formed in the supporting rib body 41, a rib placing port 45 communicated with the rib placing groove 44 is formed in the conical lock tongue 42, and the rib placing groove 44 and the rib placing port 45 extend from one end to the other end in the axial direction of the limiting body 40.

As a preferable mode of the invention, the width of the annular lock slit 43 is 5-15mm, the width of the radial lock slit 49 is 4-10mm, and the width of the rib placing opening 45 is the same as the diameter of the rib placing groove 44.

In a preferred mode of the present invention, when the diameter of the grouting pipe 90 is larger than that of the anchor rod body 10, a grouting pipe bracket 27 with a width directly matched with that of the grouting pipe 90 may be arranged in the middle of the stopper rib opening 24 of the stopper body 20.

As a preferable mode of the present invention, the stopper body 20 is further provided with a stopper rib groove 23 and a stopper rib opening 24, wherein the stopper rib groove 23 and the stopper rib opening 24 extend from one end to the other end in the axial direction of the stopper body 20, and the stopper rib opening 24 extends from the outer wall of the stopper body 20 to the stopper rib groove 23. As a preferred mode of the present invention, both ends of the plug body 20 along the axial direction are provided with limiting grooves 26, and the end of the limiting body 40 is provided with limiting caps 46 corresponding to the limiting grooves 26. The invention also provides an anchor rod, which comprises an anchor rod body 10 and a stopper body 20 sleeved on the anchor rod body 10, wherein the stopper body 20 is adopted by the stopper body 20, and the anchor rod body 10 is penetrated in the stopper rib groove 23 of the stopper body 20 and the rib placing groove 44 of the limiting body 40.

In the present invention, the structures of the stopper body 20 and the stopper mechanism may be the same as those of the first embodiment.

After the technical scheme of the invention is adopted, two semi-cylindrical brackets 80 are adopted, the brackets 80 are directly clamped on the plug body 20, the installation is very convenient, and the construction efficiency is very high; and the shape is simple, the standardized batch processing production is easy, and the application is greatly promoted.

A split type quick-mounting centering stopper for stock centering support, the construction includes the following steps: (1) After the anchor rod body 10 is cut and put in order, a first locking ring 50 is sleeved near the design position of the anchor rod body 10; (2) At the designed position of the anchor rod body 10, the stopper body 20 is plugged, and the anchor rod body 10 is plugged into the stopper rib groove 23 from the stopper rib opening 24 of the stopper body 20; two limit bodies 40 are respectively plugged into two sides of the plug body 20, and the anchor rod body 10 is respectively plugged into the rib placing groove 44 from the rib placing openings 45 of the limit bodies 40; (3) Moving the two limit bodies 40 to the limit grooves 26 on the two sides of the plug body 20 respectively, and clamping the limit caps 46 of the limit bodies 40 with the limit grooves 26 on the corresponding sides of the plug body 20; (4) Moving the first supporting and locking ring 50 to the limiting body 40 at the corresponding end, sleeving the locking ring 50 to the lock tongue 42, screwing to be tight, and fixing the first supporting and locking ring 40 on the anchor rod body 10; (5) Then a second supporting locking ring 50 is sleeved on the anchor rod body 10 and moves to the second supporting limiting body 40, the locking ring 50 is sleeved on the lock tongue 42 and screwed to be tight, and the second supporting limiting body 40 is fixed on the anchor rod body 10, so that the installation of the split type centering plug is completed; (6) Clamping the grouting pipe 90 into the grouting pipe bracket 27 from the stopper rib opening 45 of the stopper body 20; (7) The guide plates 81 of the two brackets 80 are respectively directed to the bottoms of the ribs, and then the T-shaped clamping rail 33 is aligned with the T-shaped clamping groove 25 in the plug body 20 and is inserted into the limiting ring 82 to tightly press the plug body 20; and the installation of the centering bracket is completed.

Example IV

Referring to fig. 31 to 42, the present invention proposes a side-mounted T-shaped plug, comprising a T-shaped plug 52, a bracket 80 and a locking ring 50, wherein the T-shaped plug 52 is composed of a lock head and a plunger 521, the lock head is composed of a supporting rib 41 and a conical lock tongue 42, the conical lock tongue 42 is formed on the supporting rib 41 or on the plunger 521, an annular lock slot 43 is formed between the supporting rib 41 and the conical lock tongue 42, the locking ring 50 is sleeved outside the conical lock tongue 42 in a threaded connection manner, a radial lock slot 49 is arranged on the conical lock tongue 42, the radial lock slot 49 penetrates from the outer wall of the conical lock tongue 42 to the annular lock slot 43, a rib placing groove 44 is also arranged on the supporting rib 41, a rib placing opening 45 communicated with the rib placing groove 44 is arranged on the conical lock tongue 42, and the rib placing groove 44 and the rib placing opening 45 extend from one end to the other end of the lock head in the axial direction. The stopper 521 is provided with a stopper rib groove 23 and a stopper rib opening 24, the stopper rib opening 24 is provided with a grouting pipe bracket 27, the stopper rib groove 23, the stopper rib opening 24 and the grouting pipe bracket 27 extend from one axial end to the other axial end of the stopper 521, and the stopper rib opening 24 extends from the outer wall of the stopper 521 to the center.

In a preferred embodiment of the present invention, the plug 521 is provided with a T-shaped slot 25, wherein the T-shaped slot 25 extends from one end to the other end in the axial direction of the plug 521, and the T-shaped slot 25 extends from the outer wall of the plug 521 toward the center. In an embodiment, the locking head is integrally formed on the plunger 521.

The construction of the side-mounted T-shaped plug comprises the following steps: (1) After the anchor rod body 10 is cut and put in order, at the designed position of the anchor rod body 10, the anchor rod body 10 is plugged into the rib plugging groove 23 from the rib plugging opening 24 of the plug body 20, and meanwhile, the anchor rod body 10 is placed into the rib placing groove 44 from the rib placing opening 45; (2) the lock ring 50 is sleeved on the lock tongue 42 and screwed to be tight; (3) Clamping the grouting pipe 90 into the grouting pipe bracket 27 from the stopper rib opening 45 of the stopper body 20; (4) The guide plates 81 of the two brackets 80 are respectively directed to the bottoms of the ribs, and then the T-shaped clamping rail 33 is aligned with the T-shaped clamping groove 25 in the plug body 20 and is inserted into the limiting ring 82 to tightly press the plug body 20; and the installation of the centering bracket is completed.

Example five

Referring to fig. 31 to 38, fig. 50 to 51, the present invention further proposes a split type support panel, which includes a semi-cylindrical male support 801 and a semi-cylindrical female support 802, wherein the male support 801 and the female support 802 form a support 80, the male support 801 and the female support 802 are butted into a cylinder through a clamping mechanism, and connection mechanisms connected with plugs of the centering support are respectively arranged in the male support 801 and the female support 802.

Referring to fig. 31 to 38, as a preferred embodiment of the present invention, the engaging means is a chuck 804 provided on the male bracket 801 and a bayonet 805 provided on the female bracket 802, the chuck 804 extending in the axial direction of the male bracket 801, the bayonet 805 extending in the axial direction of the female bracket 802, and the chuck 804 being engaged with the bayonet 805.

As a preferable mode of the present invention, the connection mechanism is a T-shaped clip rail 33 provided on an inner wall of the male bracket 801 and a T-shaped clip rail 33 provided on the female bracket 802, and the T-shaped clip rail 33 extends in an axial direction of the cylinder. In use, the T-shaped clip rail 33 can mate with the T-shaped clip groove 25 of the fourth embodiment.

As a preferable mode of the present invention, the inner wall of the male bracket 801 and the inner wall of the female bracket 802 are provided with a limiting ring 82, and the limiting ring 82 is disposed at one end of the T-shaped clip rail 33 along the axial direction of the cylinder.

Referring to fig. 50 and 51, as another preferred embodiment of the present invention, the engagement mechanism is a trapezoidal engagement rail 807 provided on the male bracket 801 and a trapezoidal engagement groove 808 provided on the female bracket 802, the trapezoidal engagement rail 807 extending in the axial direction of the male bracket 801, and the trapezoidal engagement groove 808 extending in the axial direction of the female bracket 802.

As a preferred form of the invention, the male bracket 801 and the female bracket 802 are each provided with mating locking threads 809. The split type support panel with the structure can be matched with a plug body with external threads for use.

As a preferable mode of the present invention, one end of the male bracket 801 in the axial direction is provided with a guide plate 81 for guiding the cylinder to slide smoothly in the drilled hole, one end of the female bracket 802 in the axial direction is provided with a guide plate 81 for guiding the cylinder to slide smoothly in the drilled hole, and the guide plate 81 is an arc plate.

Example six

Referring to fig. 43 to 49, the present invention further proposes a split locking ring, wherein the locking ring 50 comprises a male locking ring 501 and a female locking ring 502 which are in a semi-ring shape and are matched with each other, internal threads 51 are formed on the inner walls of the male locking ring 501 and the female locking ring 502, the internal threads 51 are matched with external threads 47 on the outer wall of the conical locking tongue 42, a locking rail is formed on the male locking ring 501, a locking groove which is engaged with the locking rail is formed on the female locking ring 502, and the male locking ring 501 and the female locking ring 502 are engaged into a cylinder body through the locking rail and the locking groove. Preferably, the lock rail is a trapezoidal lock rail 503, the cross section of the trapezoidal lock rail 503 along the circumferential direction of the male lock ring 501 is trapezoidal, the lock groove is a trapezoidal lock groove 504, the cross section of the trapezoidal lock groove 504 along the circumferential direction of the female lock ring 502 is trapezoidal, the trapezoidal lock rail 503 extends along the axial direction of the male lock ring 501, and the trapezoidal lock groove 504 extends along the axial direction of the female lock ring.

As a preferred mode of the present invention, the trapezoidal lock rail 503 of the male lock ring 501 has the same axial length as the trapezoidal lock groove 504 of the female lock ring 502. As a preferred form of the invention, the axial length of the trapezoidal lock rail 503 and the trapezoidal lock groove 504 is 5-10mm shorter than the axial length of the male lock ring 501 and the female lock ring 502.

As a preferred mode of the present invention, the male lock ring 501 has a first abutment surface 505 at its circumferential end, the female lock ring 502 has a second abutment surface 506 engaged with the first abutment surface 505 at its circumferential end, the trapezoidal lock rail 503 is formed at the first abutment surface 505, and the trapezoidal lock groove 504 is formed at the second abutment surface 506. The split locking ring provided by the invention can be produced and sold as an independent accessory, can be used in the anchor rods with various structures, is used in the anchor rods of the first embodiment and the fourth embodiment, does not need to slide into a conical lock tongue in the anchor rod body 10, can complete the assembly of the locking ring 50 by clamping the trapezoidal locking rail 503 and the trapezoidal locking groove 504 after the anchor rod body 10 is surrounded by the male locking ring 501 and the female locking ring 502 in a designed position, and has the advantage of convenient and quick installation.

Example seven

The invention also provides a split assembly type centering bracket, which combines the split type support panel of the fifth embodiment and the side-mounted T-shaped plug of the fourth embodiment to be used as the centering bracket, and preferably, in the centering bracket, the split type locking ring in the sixth embodiment is adopted as the locking ring.

The T-shaped stopper 52 of the present invention may employ the stopper body 20 and the stopper body 40 of the first embodiment. Preferably, the stopper 40 and the stopper 20 are one piece.

The invention also provides an anchor rod, which comprises an anchor rod body 10 and a centering bracket sleeved on the anchor rod body 10, wherein the centering bracket adopts the centering bracket. According to the split assembly type centering bracket, the two semi-cylindrical brackets 80 form a circular supporting surface, the contact area between the two semi-cylindrical brackets and the hole wall is large, the contact pressure is small, the anchor rod body 10 can be ensured to be always positioned at the centering position in the construction process, the adhesive force between the anchor rod body 10 and the grouting body 91 is ensured, the outer diameter of each bracket 80 can be customized according to the hole diameter requirement of a drilled hole, and the accurate centering of the anchor rod body 10 can be ensured; the guide plate 81 of the invention can enable the anchor rod body 10 to easily slide into a borehole in the process of putting the anchor rod body 10 into the borehole, not only can not cut soil mass of the wall of the borehole to generate soil slag, but also can play a certain role in compacting the wall of the borehole, and further improve the bearing capacity of the anchor rod body 10 and the grouting body 91; the T-shaped plug 52 is formed by laterally mounting the anchor rod body 10 and the grouting pipe 90, and the anchor rod body 10 is clamped into the T-shaped plug 52 from the rib plugging port 24 directly at the design position of the anchor rod body 10, so that the installation is convenient, and the site construction efficiency is greatly improved; according to the locking ring 50 disclosed by the invention, the split male locking ring 501 and the female locking ring 502 are adopted, the anchor rod body 10 can be sleeved into the locking ring 50 from the outside of the anchor rod body 10 through the matching of the trapezoidal locking rail 503 of the male locking ring 501 and the trapezoidal locking groove 504 of the female locking ring 502, the T-shaped plug 52 can be fixed by screwing the tapered locking tongue 42, the complicated penetrating of the closed locking ring 50 on the anchor rod body 10 is avoided, the installation is convenient, and the site construction efficiency is greatly improved. The bracket 80 comprises the T-shaped clamping rail 33, and the bracket 80 can be installed by being clamped into the T-shaped clamping groove 25 matched with the T-shaped plug 52, so that the construction efficiency is greatly improved. The split assembly type centering bracket consists of the T-shaped plug 52, the bracket 80 and the locking ring 50, and due to the split assembly type structure, the centering construction efficiency of the anchor rod body 10 can be greatly improved, and the split assembly type centering bracket can be modularized and standardized and can be manufactured in batches.

A split type quick-mounting centering support for stock, the construction includes the following steps:

(1) The anchor rod body 10 and the grouting pipe 90 are processed according to the design length and then are placed in order; (2) At the position of a centering bracket designed on the anchor rod body 10, the anchor rod body 10 is clamped into the stopper rib groove 23 from the stopper rib opening 24 of the T-shaped stopper 52, meanwhile, the anchor rod body 10 is clamped into the rib placing groove 44 from the rib placing opening 45, and the grouting pipe 90 is clamped into the grouting pipe bracket 27 from the stopper rib opening 24 of the T-shaped stopper 52; (3) On the side of the conical lock tongue 42 of the T-shaped plug 52, the bolt body 10 is sleeved into the lock ring 50 by using the male lock ring 501 and the female lock ring 502, the trapezoidal lock rail 503 of the male lock ring 501 is clamped into the trapezoidal lock groove 504 of the female lock ring 502, the combined lock ring 50 is sleeved on the external thread 47 of the conical lock tongue 42, and the T-shaped plug 52 is fixed on the bolt body 10 by screwing; (4) The guide plate 81 of the bracket 80 points to the bottom of the anchor rod body 10, and the T-shaped clamping rail 33 of the male bracket 801 is aligned with the T-shaped clamping groove 25 in the T-shaped plug 52 and is inserted until tight; in the same way, the female bracket 802 is inserted onto the T-shaped plug 52 and the chuck 804 of the male bracket 801 is snapped into the bayonet 805 of the female bracket 802, i.e. the installation of the split-mount centering bracket is completed. (6) Additionally, the anchor rod body 10 can be bound by adopting the binding rib 803 on the plug column 521 side of the T-shaped plug.

In the present invention, the bearing plate 60 of the second embodiment may be used in the anchors of the first, third and fourth embodiments. The guide cap 30 of the first embodiment may also be used in the anchors of the second, third and fourth embodiments. A plurality of centering brackets may be provided in the anchor rod body 10, the centering brackets being arranged in the axial direction of the anchor rod body 10.

In the present invention, the icon 92 represents the rock-soil body 92.

The form of the present invention is not limited to the illustrations and examples, and any person who performs a similar idea of the present invention should be regarded as not departing from the scope of the patent of the invention.

Claims

1. The utility model provides an assembled direction cap for stock, includes the stock body, the stopper body on the stock body is established to the cover for spacing body and catch of fixed stopper body, and the direction cap of joint on the stopper body, its characterized in that: the plug body is provided with a plug rib groove and a plug rib opening in a ring manner, the plug rib opening is provided with a grouting pipe bracket groove, the plug rib opening and the grouting pipe bracket groove extend from one axial end of the plug body to the other axial end, and the plug rib opening extends from the outer wall of the plug body to the center; the plug body is provided with a T-shaped clamping groove in a surrounding mode, the T-shaped clamping groove extends from one axial end of the plug body to the other axial end, and the T-shaped clamping groove extends from the outer wall of the plug body to the center; the stopper body axial both ends are provided with the spacing groove, and the spacing groove department symmetry at stopper body both ends is provided with the same spacing body and catch, and the spacing body includes holds in the palm the muscle body and forms the toper spring bolt on holding in the palm the muscle body, holds in the palm between muscle body and the toper spring bolt and form annular lockstitch, is equipped with radial lockstitch on the toper spring bolt, and radial lockstitch runs through to annular lockstitch from the outer wall of toper spring bolt, hold in the palm still be equipped with on the muscle body and put the muscle groove, be equipped with on the toper spring bolt with put the muscle mouth of putting the muscle groove intercommunication, put the muscle groove and put the muscle mouth and all follow the axial one end of spacing body is extended to the other end, put the muscle groove and be linked together with the stopper muscle groove on the stopper body, still be equipped with the external screw thread at toper spring bolt outer wall, the catch inner wall be equipped with the external screw thread matched with of toper spring bolt, the catch is established outside the toper spring bolt with threaded connection's mode cover, and still including setting up the spacing cap in support muscle one end, spacing cap and stopper body on the stopper body and the spacing groove mutually support the muscle, still be equipped with put the muscle groove, put the axial one end, with on the guide sleeve, put the axial T, with the guide sleeve, put the axial T on the guide body, the axial T.

2. A fabricated pilot cap for an anchor as claimed in claim 1, wherein: the width of the annular lock seam is 5-15mm, the width of the radial lock seam is 4-10mm, and the width of the rib placing opening is the same as the diameter of the rib placing groove.

3. A fabricated pilot cap for an anchor as claimed in claim 1, wherein: the T-shaped clamping rails are multiple and are uniformly distributed in the guide cylinder along the circumferential direction.

4. A fabricated pilot cap for an anchor as claimed in claim 1, wherein: the T-shaped clamping rail extends out of the end part of the guide cylinder, and the extending length is 10-30mm.