CN209892258U - Split type catch and stock - Google Patents

Abstract

The utility model relates to a split type lock ring, which comprises a male lock ring in the shape of a half ring and a female lock ring in the shape of a half ring. The male lock ring is provided with a lock rail, the female lock ring is provided with a lock groove engaged with the lock rail, and the male lock ring and the female lock ring are assembled into a cylinder through the lock rail and the lock groove. After adopting the technical scheme of the utility model, at the position where the lock ring needs to be installed on the bolt body, the male lock ring and the female lock ring are clamped together through the lock rail and the lock groove to form a cylindrical lock ring, and then the cylindrical lock ring is formed. The lock ring is screwed into the conical lock tongue. The split lock ring of the present invention can be produced and sold as a separate accessory and used in the anchor rod without sliding into the conical lock tongue in the anchor rod body. In the design position, after the anchor rod body is surrounded by the male lock ring and the female lock ring, the lock ring can be assembled by the trapezoidal lock rail and the trapezoidal lock groove, which has the advantages of convenient and quick installation.

Description

A split lock ring and anchor rod

technical field

The utility model relates to a split type lock ring and an anchor rod.

Background technique

The traditional lock ring structure is generally a cylinder. The inner wall of the cylinder is provided with an inner thread that cooperates with the outer thread of the lock tongue. The inner wall of the cylinder body is tapered. At present, when this type of lock ring is used, the lock ring needs to be inserted into the bolt body from the end of the bolt, and the lock ring needs to be moved to a predetermined position. When the bolt body is long and thick, it needs to be lifted hard. After the bolt body, the lock ring is moved to the design position for a long distance, which is troublesome to install and has high construction strength.

In view of this, the inventor of this case has conducted in-depth research on the above-mentioned problems, and this case came into being.

Utility model content

The purpose of the present utility model is to provide a split type lock ring that is easy to disassemble and assemble, and another purpose of the present utility model is to provide an anchor rod using the split type lock ring.

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

A split lock ring, comprising a half-ring shaped male locking ring and a half-ring shaped female locking ring, the inner wall of the male locking ring and the inner wall of the female locking ring are provided with internal threads that can be butted with each other, The lock ring is provided with a lock rail, the female lock ring is provided with a lock groove engaged with the lock rail, and the male lock ring and the female lock ring are assembled into a cylinder through the lock rail and the lock groove.

As a preferred mode of the present invention, the lock rail is a trapezoidal lock rail, the cross section of the trapezoidal lock rail along the circumferential direction of the male lock ring is a trapezoid, the lock groove is a trapezoidal lock groove, and the trapezoidal lock groove is along the The circumferential section of the female lock ring is trapezoidal, the trapezoidal lock rail extends along the axial direction of the male lock ring, and the trapezoidal lock groove extends along the axial direction of the female lock ring.

As a preferred mode of the present invention, the length of the trapezoidal lock rail is 5-10mm shorter than the length of the male lock ring, and the length of the trapezoid lock groove is 5-10mm shorter than the length of the female lock ring.

As a preferred mode of the present invention, the end portion of the male lock ring along the circumferential direction has a first abutting surface, and the end portion of the female lock ring along the circumferential direction has a second abutting surface that cooperates with the first abutting surface. The abutting surface, the trapezoidal locking rail is formed on the first abutting surface, and the trapezoidal locking groove is formed on the second abutting surface.

An anchor rod comprises an anchor rod rod body and a bracket sleeved on the anchor rod rod body, the bracket comprises a bracket, a plug body arranged in the bracket, a conical lock tongue arranged on the plug body, and a conical locking bolt For the matching lock ring, the anchor rod body is inserted into the plug body, and the lock ring adopts the above-mentioned split lock ring.

After adopting the technical scheme of the utility model, at the position where the lock ring needs to be installed, the male lock ring and the female lock ring are snapped together through the lock rail and the lock groove to form a cylindrical lock ring, and then the cylindrical lock ring is screwed into In the tapered lock tongue, the split lock ring of the present invention can be produced and sold as a separate accessory, and used in the anchor rod without sliding into the tapered lock tongue in the bolt rod body. After the male lock ring and the female lock ring surround the anchor rod body, the lock ring can be assembled by clamping the trapezoidal lock rail and the trapezoidal lock groove, which has the advantages of convenient and quick installation.

Description of drawings

FIG. 1 is a schematic diagram of the installation of the assembled guide cap of the present invention.

Fig. 2 is the A-A sectional view in Fig. 1 of the utility model.

FIG. 3 is a longitudinal sectional view of the plug body of the utility model.

FIG. 4 is a B-B sectional view in FIG. 3 of the utility model.

FIG. 5 is a C-C sectional view in FIG. 4 of the utility model.

FIG. 6 is a longitudinal sectional view of the limiting body of the present invention.

FIG. 7 is a left side view of FIG. 6 of the present invention.

FIG. 8 is a right side view of FIG. 6 of the present invention.

FIG. 9 is a D-D sectional view of the utility model in FIG. 6 .

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

Figure 11 is a sectional view of the lock ring of the present invention.

Figure 12 is a longitudinal sectional view of the lock ring of the present invention.

Figure 13 is a longitudinal sectional view of the assembled guide cap of the present invention.

FIG. 14 is a left side view of FIG. 13 of the present invention.

FIG. 15 is a right side view of FIG. 13 of the present invention.

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

FIG. 17 is a G-G sectional view in FIG. 13 of the present invention.

Figure 18 is a schematic diagram of a tension-compression composite anchor rod installed with a reinforced grouting pipe joint.

Figure 19 is a sectional view of the installation of the reinforced grouting pipe joint at the bearing plate.

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

FIG. 21 is a cross-sectional view of the utility model A-A in FIG. 20 .

Figure 22 is a cross-sectional view of the connection between the reinforced grouting pipe joint and the bearing plate of the present invention.

Fig. 23 is a longitudinal sectional view of the double-ended screw pipe of the present invention.

FIG. 24 is a sectional view of the utility model in FIG. 23 B-B.

Fig. 25 is a longitudinal sectional view of the pipe section of the pressure-bearing section of the present invention.

Fig. 26 is a longitudinal sectional view of a tension section pipe section of the present invention.

Fig. 27 is a C-C sectional view of Fig. 25 and Fig. 26 of the present invention.

Fig. 28 is an elevation view of the pipe section of the pressure-bearing section of the present invention.

Figure 29 is an elevation view of the tension section pipe section of the present invention.

Fig. 30 is a schematic diagram of the assembly of the split-type centering plug of the present invention.

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

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

Fig. 33 is a G-G sectional view in Fig. 31 of the present invention.

Fig. 34 is the H-H cross-sectional view of Fig. 31 of the present invention.

Fig. 35 is a cross-sectional view of the present invention in Fig. 31 I-I.

FIG. 36 is a cross-sectional view of J-J in FIG. 31 of the present invention.

37 is a cross-sectional view of the clip of the male bracket of the present invention.

38 is a bayonet sectional view of the female bracket of the present invention.

Figure 39 is a schematic diagram of the installation of the quick-installed centering bracket of the present invention.

Figure 40 is a sectional view of the T-plug of the present invention.

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

Fig. 42 is a cross-sectional view of the present invention in Fig. 40 B-B.

Figure 43 is a longitudinal cross-sectional view of the assembled lock ring of the present invention.

Fig. 44 is a K-K sectional view in Fig. 43 of the present invention.

Fig. 45 is the L-L cross-sectional view of Fig. 43 of the present invention.

Figure 46 is a front view of the male lock ring of the assembled lock ring of the present invention.

Figure 47 is a front view of the female lock ring of the assembled lock ring of the present invention.

Figure 48 is a side view of the male lock ring of the assembled lock ring of the present invention.

Figure 49 is a side view of the female lock ring of the assembled lock ring of the present invention.

FIG. 50 is another structural schematic diagram of the split-type support panel of the present invention.

FIG. 51 is a schematic structural diagram of another structure of the split-type support panel of the present invention matching the plug body.

In the picture:

Anchor rod body 10 Sleeve 11

Plug body 20 Center hole 21

Rib hole 22 Plug groove 23

Rib opening 24 T-shaped slot 25

Limit slot 26 Grouting pipe bracket 27

Guide cap 30 Guide cylinder 31

Guide ball 32 T-shaped rail 33

Limiting body 40 Supporting rib body 41

Tapered tongue 42 Circular lock seam 43

Radial lock seam 49 Rib slot 44

Rib opening 45 Limiting cap 46

External thread 47 Limit card 48

Lock ring 50 Internal thread 51

T-plug 52 Male lock ring 501

Female lock ring 502 Trapezoidal lock rail 503

Trapezoidal lock slot 504 First contact surface 505

Second contact surface 506 Plug 521

Bearing plate 60 Pipe section hole 61

Double-ended screw pipe 71 Pressure section pipe section 72

Tension section pipe section 73 Threaded part 74

Connection thread 75 Gasket 76

Eyelet 77 Head Plate 78

Bracket 80 Guide plate 81

Limit ring 82 Male bracket 801

Female bracket 802 Tie bar 803

Card head 804 Bayonet 805

Drag panel 806 807- trapezoidal rail

808- Trapezoidal slot 809- Locking thread

Grouting pipe 90 Grouting body 91

Geotechnical Mass 92 Reinforced Grouting Pipe 93

Detailed ways

In order to further explain the technical solution of the present utility model, the following detailed description is given in conjunction with the accompanying drawings 1-51. For the convenience of viewing the utility model, some parts are enlarged in the accompanying drawings.

Example 1

1 to 17, an assembled guide cap for an anchor rod includes an anchor rod body 10, a plug body 20 sleeved on the anchor rod body 10, a limiting body 40 for fixing the plug body 20 and The lock ring 50 and the guide cap 30 clamped on the plug body 20 . The bolt body 10 involved in the present invention can be steel bars or steel strands. The upper ring of the plug body 20 is provided with a plug groove 23 and a plug groove 24, and the plug groove 24 is provided with a grouting pipe bracket 27. One end of the axial direction of the body 20 extends to the other end, and the plug groove 23, the plug groove 24 and the grouting pipe drag groove 27 extend from the outer wall of the plug body 20 to the center; the plug body 20 is provided with a T-shaped slot on the ring 25. The T-shaped slot 25 extends from one end of the axial direction of the plug body 20 to the other end, and the T-shaped slot 25 extends from the outer wall of the plug body 20 to the center; the axial ends of the plug body 20 are provided with limited positions Slot 26. The limiting grooves 26 at both ends of the plug body 20 are symmetrically provided with the same limiting body 40 and the locking ring 50 . An annular locking slot 43 is formed between the body 41 and the conical locking tongue 42, and a radial locking slot 49 is provided on the conical locking tongue 42, and the radial locking slot 49 penetrates from the outer wall of the conical locking tongue 42 to the annular locking slot 43 In the embodiment, there are multiple radial lock slits 49 , and the plurality of radial lock slits 49 are arranged along the circumferential direction of the tapered lock tongue 42 . The rib body 41 is also provided with a rib slot 44, and the tapered lock tongue 42 is provided with a rib opening 45 that communicates with the rib slot 44. One axial end of the limiting body 40 extends to the other end, the rib slot 44 is communicated with the rib groove 23 on the plug body 20, the outer wall of the tapered lock tongue 42 is also provided with an external thread 47, and the inner wall of the lock ring 50 is provided with an external thread 47. There is an inner thread 51 matched with the outer thread 47 of the tapered lock tongue 42 , and the lock ring 50 is sleeved outside the tapered lock tongue 42 in a threaded manner. The limiting body 40 further includes a limiting cap 46 disposed on the rib body, and the limiting cap 46 is used in cooperation with the limiting groove 26 on the plug body 20 . In the embodiment, there are multiple rib placement grooves 44 and rib placement openings 45 , the plurality of rib placement grooves 44 are evenly arranged on the rib support body 41 along the circumferential direction, and the plurality of rib placement openings 45 are evenly arranged along the circumferential direction on the cone on the lock tongue 42. In the present invention, the guide cap 30 is clamped on the plug body 20 , and the guide cap 30 includes a guide cylinder 31 and a guide ball 32 formed on one end of the guide cylinder 31 . There is a T-shaped card rail 33 , the T-shaped card rail 33 is arranged along the axial direction of the guide cylinder 31 , and the T-shaped card rail 33 is used in cooperation with the T-shaped card slot 25 on the plug body 20 . .

As a preferred mode of the present invention, the width of the annular lock slot 43 (ie the extension distance in the radial direction) is 5-15 mm, and the width of the radial lock slot 49 (ie the extension distance in the circumferential direction) is 4-10mm. Preferably, the width of the rib placement opening 45 is the same as the diameter of the rib placement slot 44 .

As a preferred mode of the present invention, there are a plurality of the T-shaped clip rails 33 , and the plurality of the T-shaped clip rails 33 are evenly arranged in the guide cylinder 31 along the circumferential direction. As a preferred mode of the present invention, the T-shaped rail 33 protrudes from the end of the guide cylinder 31, and the protruding length is 10-30 mm. As a preferred mode of the present invention, the thickness of the outer end of the T-shaped card rail 33 is 1-2 mm smaller than the width of the T-shaped card slot 25, and the thickness of the inner end of the T-shaped card rail 33 is smaller than that of the T-shaped card rail 33. The width of the T-shaped card slot 25 is larger by 2-3 mm, and the width of the T-shaped card rail 33 changes uniformly from the outer end to the inner end.

The technical solution of the present invention adopts the plug body 20 as the carrier, the plug body 20 can be quickly fixed by the limiting body 40 and the lock ring 50, and then the T-shaped rail 33 of the guide cap 30 is directly inserted into the T-shaped groove of the plug body 20. The installation can be completed within 25, the assembly construction is convenient, and the efficiency is very high; the guide cap 30 of the present invention is provided with a guide ball 32 at the end, which is very easy to lower and advance in the drilled hole, and the guide cap 30 has a simple structure and is easy to standardize batches. Production.

The construction steps of the present invention are as follows: (1) firstly insert a lock ring 50 from the bottom of the anchor rod body 10 to a proper position; Insert the rib opening 45 into the rib slot 44; (2) then snap into the plug body 20 from the bottom, and insert the anchor rod body 10 from the rib opening 24 of the plug body 20 into the rib groove 23; (3) ) and then insert a limiter 40 from the bottom of the anchor rod body 10 to the plug body 20, insert the anchor rod body 10 from the rib opening 45 of the limiter 40 into the rib slot 44, and then insert the anchor rod body 10 from the anchor rod A lock ring 50 is sleeved into the bottom of the rod body 10; (4) Move the limiting bodies 40 on both sides of the plug body 20 to the limiting grooves 26 on both sides respectively, and appropriately adjust the plug body 20 and the limiting bodies 40 on both sides to After the distance between the bottom of the anchor rod body 10 , align the limiting cap 46 of the limiting body 40 with the limiting groove 26 of the plug body 20 and clamp it, and then move the locking rings 50 on both sides of the limiting body 20 to the limiting body 40 respectively. (5) Insert the end of the grouting pipe 90 from the rib opening 24 of the plug body into the grouting pipe bracket 27, and clamp it tightly; (6) Align the T-shaped rail 33 of the guide cap 30 with the T-shaped slot 25 in the plug body 20, then insert it into the T-shaped slot 25, and clamp it until it is locked; that is, the installation of the guide cap 30 is completed.

Embodiment 2

18 to 29, the present utility model also proposes a combined bearing plate that can strengthen the front and rear grouting bodies, including a bearing plate 60, and a center hole 21 and a rib hole 22 are provided on the bearing plate. The number 22 is a plurality, and the plurality of rib holes 22 are arranged around the periphery of the central hole 21 . The present invention also includes a pipe joint hole 61 arranged on the pressure bearing plate 60 , the pipe joint hole 61 is provided with a double-ended screw pipe 71 , and the two ends of the double-ended screw pipe 71 in the axial direction are set as the first end and the second end, the first end is screwed with a pressure-bearing section pipe section 72, the upper screw section of the second end has a tension section pipe section 73, and the pressure-bearing section pipe section 72 and the tension section pipe section 73 are respectively arranged on the said bearing section. On both sides of the pressure plate 60 , the side wall of the pressure-bearing section pipe section 72 is provided with holes 77 communicating with the inner wall of the pressure-bearing section pipe section 72 , and the side wall of the tension section pipe section 73 is provided with holes 77 . There is a hole 77 that communicates with the inner wall of the tension section tube section 73, the end of the tension section tube section 73 away from the double-ended screw pipe 71 is provided with a head plate 78, and the pressure section tube section 72 is away from the double-ended screw pipe 71. One end of the head screw pipe 71 is connected with a reinforcing grouting pipe 93 .

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

As a preferred mode of the present invention, a gasket 76 is provided between the pressure-bearing section tube section 72 and the pressure-bearing plate 60 , and between the tension section tube section 73 and the pressure-bearing plate 60 . A gasket 76 is provided, the outer diameter of the gasket 76 is 3-6 mm larger than the diameter of the pipe section hole 61, and the lengths of the pressure-bearing section pipe section 72 and the tension section pipe section 73 are the same. 2-6 times the diameter of the bearing plate 60.

As a preferred mode of the present invention, the holes 77 of the pressure-bearing section pipe section 72 are arranged along the length direction of the pressure-bearing section pipe section 72, and the holes 77 of the tension section pipe section 73 are arranged along the length direction of the pressure-bearing section pipe section 72. Arranged along the length direction of the tension section tube section 73, the horizontal spacing between the adjacent holes 77 is 80-100 mm. As a preferred mode of the present invention, the holes 77 are arranged in a plum blossom shape along the side walls of the pressure-bearing section pipe section 72 and the tension section pipe section 73 .

An anchor rod comprises an anchor rod body 10 and a bearing plate 60 sleeved on the anchor rod body 10. The anchor rod body 10 is sleeved with a sleeve 11 at one end of the bearing plate 60 axially close to the anchor head, and the anchor rod body 10. A limit card 48 is provided at the other end of the bearing plate 60 axially close to the bottom of the anchor rod. The bearing plate 60 adopts the above-mentioned combined bearing plate which can strengthen the front and rear grouting bodies.

By adopting the technical scheme of the present invention, grouting is carried out through the pressure-bearing section pipe section 72 and the tension section pipe section 73 installed on the front and rear of the pressure-bearing plate 60 . It can effectively solve the problem of mud inclusion in the grouting body 91 before and after the bearing plate 60 in the project, and greatly improve the strength of the grouting body 91 before and after the bearing plate 60; The strength is effectively guaranteed, the compression anchoring section and the tension anchoring section can bear together, and the bearing capacity is greatly improved.

The construction steps of a combined bearing plate that can strengthen the front and rear grouting bodies are as follows: (1) Insert the anchor rod body 10 into the bearing plate 60; after moving the bearing plate 60 to the design position, use the limit card 48 to carry out Fix; set the casing 11 on the bolt body 10 between the bearing plate 60 and the anchor head; insert the grouting pipe 90 from the central hole 21 of the bearing plate 60 to the design depth; (2) insert the double-headed screw The pipe 71 is inserted into the pipe joint hole 61, and then the gaskets 76 are inserted from both ends, and the double-ended screw pipe 71 is adjusted so that all the exposed ends are double-ended external screws; (3) On the side of the limit card 48, the tension The section pipe section 73 is screwed into the threaded portion 74 of the double-ended screw pipe 71 until it stops at the contact gasket 76; (4) on the anchor head side, screw the pressure-bearing section pipe section 72 into the thread of the double-ended screw pipe 71 (5) On both sides of the pressure-bearing plate 60, screw the pressure-bearing section pipe section 72 and the tension-section pipe section 73 in opposite directions to tighten; (6) on both sides of the pressure-bearing plate 60 After the reinforced grouting pipe 93 is sleeved on the end of the pipe section 72 of the pressure-bearing section of the plate 60, the bolt body is put into the bolt hole; (7) The grouting pipe 90 starts grouting from the bottom of the hole. When the cement slurry flows to the bearing plate 60, open the reinforcing grouting pipe 93; when the orifice begins to flow out the cement slurry, stop the grouting of the grouting pipe 90, and pull out the grouting pipe 90; when the orifice continuously overflows the cement slurry At this time, stop the grouting of the reinforced grouting pipe 93, and pull out the reinforced grouting pipe 93, that is, the grouting work of the bolt is completed.

Embodiment 3

3 to 12, 30 to 38, the present utility model also proposes a split-type centering plug for bolt centering, including a plug body 20, and the plug body 20 is provided with a limiting mechanism on both sides of the axial direction , the plug body 20 is provided with a plug rib opening 24 and a plug rib groove 23, and also includes two semi-cylindrical brackets 80. The inner wall of the bracket 80 is provided with a T-shaped rail 33, which corresponds to the plug body 20. There is a T-shaped card slot 25 matched with the T-shaped card rail 33 , the T-shaped card slot 25 extends from one end of the axial direction of the plug body 20 to the other end, and the T-shaped card groove 25 extends from the outer wall of the plug body 20 . Extending toward the center, one end of the bracket 80 in the axial direction is provided with a guide plate 81 , and an inner wall of the bracket 80 is provided with a limiter for restricting the movement of the plug body 20 toward the guide plate 81 .

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

As a preferred mode of the present invention, the limiting mechanism includes a limiting body 40 and a locking ring 50 , and the limiting body 40 includes a rib body 41 and a conical lock tongue 42 formed on the rib body 41 . An annular lock slot 43 is formed between the rib body 41 and the tapered lock tongue 42, the lock ring 50 is sleeved outside the tapered lock tongue 42 in a threaded connection, and a radial lock slot 49 is provided on the tapered lock tongue 42, The radial lock slot 49 penetrates from the outer wall of the tapered lock tongue 42 to the annular lock slot 43 , the rib body 41 is also provided with a rib slot 44 , and the tapered lock tongue 42 is provided with a rib slot 44 . The connected rib placement openings 45 , the rib placement grooves 44 and the rib placement openings 45 all extend from one axial end of the limiting body 40 to the other end.

As a preferred mode of the present invention, the width of the annular locking seam 43 is 5-15 mm, the width of the radial locking seam 49 is 4-10 mm, and the width of the rib opening 45 is the same as that of the rib groove. 44 has the same diameter.

As a preferred mode of the present invention, when the diameter of the grouting pipe 90 is larger than the diameter of the bolt body 10 , a width can be set in the middle of the rib opening 24 of the plug body 20 to directly match the grouting pipe 90 The grouting pipe bracket 27.

As a preferred mode of the present invention, the plug body 20 is further provided with a rib groove 23 and a rib opening 24, and the plug groove 23 and the rib opening 24 both extend from one end of the plug body 20 in the axial direction. To the other end, the rib opening 24 extends from the outer wall of the plug body 20 to the rib groove 23 . As a preferred mode of the present invention, both ends of the plug body 20 in the axial direction are provided with limiting grooves 26 , and the end of the limiting body 40 is provided with corresponding limiting grooves 26 . Bit cap 46. The present invention also proposes an anchor rod, which includes an anchor rod rod body 10 and a plug body 20 sleeved on the anchor rod rod body 10. The rib groove 23 of the plug body 20 and the rib groove 44 of the limiting body 40 are located.

In the present invention, the structures of the plug body 20 and the limiting mechanism may be the same as the corresponding structures of the first embodiment.

After adopting the technical solution of the present invention, two semi-cylindrical brackets 80 are adopted, and the brackets 80 are directly clamped on the plug body 20, which is very convenient to install and has a high construction efficiency; And vigorously promote the application.

A split-type quick-install centering plug for an anchor rod centering bracket, the construction includes the following steps: (1) After the anchor rod body 10 is cut and processed and placed neatly, firstly insert it into the vicinity of the design position of the anchor rod body 10 (2) Insert the plug body 20 at the design position of the anchor rod body 10, and insert the anchor rod body 10 from the plug rib opening 24 of the plug body 20 into the plug rib groove 23; Then insert two limiting bodies 40 on both sides of the plug body 20, respectively, and insert the anchor rod body 10 from the rib placement opening 45 of the limiting body 40 into the rib placement groove 44; (3) move the two Move the limiting body 40 to the limiting grooves 26 on both sides of the plug body 20, and make the limiting cap 46 of the limiting body 40 clamp the limiting groove 26 on the corresponding side of the plug body 20; (4) move the first lock ring 50 to the limiter 40 at the corresponding end, insert the lock ring 50 into the lock tongue 42, screw it until it is tight, and fix the first limiter 40 on the anchor rod body 10; (5) then to the anchor rod rod body 10, insert the second locking ring 50, move to the second limiting body 40, insert the locking ring 50 on the locking tongue 42, screw it tightly, and fix the second limiting body 40 on the anchor rod On the rod body 10, the installation of the split centering plug is completed; (6) The grouting pipe 90 is inserted into the grouting pipe bracket 27 from the rib opening 45 of the plug body 20; (7) The two brackets 80 The guide plates 81 point to the bottom of the rib respectively, and then align the T-shaped rail 33 with the T-shaped slot 25 in the plug body 20 and insert it until the limit ring 82 abuts against the plug body 20; that is, the installation of the centering bracket is completed.

Embodiment 4

31 to 42, the utility model proposes a side-mounted T-shaped plug, including a T-shaped plug 52, a bracket 80 and a lock ring 50, and the T-shaped plug 52 is composed of a support rib body 41 and a tapered lock tongue 42. The lock head is composed of the plunger 521, the tapered lock tongue 42 is formed on the rib body 41 or on the plunger 521, and an annular lock slot 43 is formed between the rib body 41 and the conical lock tongue 42, and the lock ring 50 is The threaded connection is sleeved on the outside of the conical lock tongue 42, and a radial lock slot 49 is arranged on the conical lock tongue 42. The rib body 41 is also provided with a rib slot 44, and the tapered lock tongue 42 is provided with a rib opening 45 that communicates with the rib slot 44. Both the rib slot 44 and the rib opening 45 extend from one end of the lock head in the axial direction. to the other end. The plug column 521 is provided with a plug groove 23 and a plug mouth 24 on the upper ring. The plug groove 24 is provided with a grouting pipe bracket 27. The plug groove 23, the plug mouth 24 and the grouting pipe drag groove 27 extend from one axial end of the plug rod 521 to the other end, and the plug rib opening 24 extends from the outer wall of the plug rod 521 toward the center.

As a preferred mode of the present invention, the plug rod 521 is provided with a T-shaped slot 25, which extends from one axial end of the plug rod 521 to the other end, and the T-shaped slot 25 extends from the plug rod 521 to the other end. The outer wall of 521 extends toward the center. In an embodiment, the lock head is integrally formed on the plunger 521 .

The construction of a side-mounted T-shaped plug includes the following steps: (1) After the bolt body 10 is cut, processed and placed neatly, at the design position of the bolt body 10, the bolt body 10 is inserted from the rib opening 24 of the plug body 20. Insert it into the rib slot 23, while the anchor rod body 10 is inserted into the rib slot 44 from the rib opening 45; (2) Put the lock ring 50 on the lock tongue 42, and screw it until it is tight; (3) Put the injection The slurry pipe 90 is inserted into the grouting pipe bracket 27 from the rib opening 45 of the plug body 20; (4) Point the guide plates 81 of the two brackets 80 to the bottom of the rib body respectively, and then align the T-shaped rail 33 with the plug The T-shaped slot 25 in the body 20 is inserted until the limit ring 82 abuts against the plug body 20; that is, the installation of the centering bracket is completed.

Embodiment 5

31 to 38, 50 to 51, the present utility model also proposes a split-type support panel, including a semi-cylindrical male bracket 801 and a semi-cylindrical female bracket 802, the male bracket 801 and the female bracket 802 constitutes the bracket 80, the male bracket 801 and the female bracket 802 are connected to form a cylinder through the clamping mechanism, and the male bracket 801 and the female bracket 802 are both provided with a connecting mechanism for connecting with the plug body of the centering bracket .

Referring to 31 to 38, as a preferred mode of the present invention, the clamping mechanism is a clamping head 804 provided on the male bracket 801 and a bayonet 805 provided in the female bracket 802. The clamping head 804 Extending along the axial direction of the male bracket 801 , the bayonet 805 extends along the axial direction of the female bracket 802 , and the clip head 804 is clamped against the bayonet 805 .

As a preferred mode of the present invention, the connecting mechanism is a T-shaped rail 33 arranged on the inner wall of the male bracket 801 and a T-shaped rail 33 arranged on the female bracket 802. The rail 33 extends in the axial direction of the barrel. In use, the T-shaped card rail 33 can be matched with the T-shaped card slot 25 in the fourth embodiment.

As a preferred 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 limit ring 82, and the limit ring 82 is arranged on the T-shaped rail 33 along the the axial end of the barrel.

50 and 51 , as another preferred mode of the present invention, the clamping mechanism is a trapezoidal rail 807 provided on the male bracket 801 and a trapezoidal rail 807 provided on the female bracket 802 The card slot 808 and the trapezoidal card rail 807 extend along the axial direction of the male bracket 801 , and the trapezoidal card slot 808 extends along the axial direction of the female bracket 802 .

As a preferred mode of the present invention, the male bracket 801 and the female bracket 802 are provided with butt-jointed locking threads 809 . The split support plate of this structure can be used in conjunction with a plug body with an external thread.

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

Embodiment 6

43 to 49, the present utility model also proposes a split type lock ring, the lock ring 50 includes a male lock ring 501 and a female lock ring 502 in the shape of a half ring that cooperate with each other, and the inner walls of the male lock ring 501 and the female lock ring 502 are both An inner thread 51 is provided, the inner thread 51 is matched with the outer thread 47 of the outer wall of the tapered lock tongue 42, a lock rail is arranged on the ring of the male lock 501, and a lock groove is arranged on the female lock ring 502 to engage with the lock rail , the male lock ring 501 and the female lock ring 502 are assembled into a cylinder through the lock rail and the lock 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 a trapezoid, the lock groove is a trapezoidal lock groove 504, and the trapezoidal lock groove 504 is along the female lock ring 501. The circumferential section of the 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 and the trapezoidal lock groove 504 of the female lock ring 502 have the same axial length. As a preferred mode of the present invention, the axial lengths of the trapezoidal lock rail 503 and the trapezoidal lock groove 504 are 5-10 mm shorter than the axial lengths of the male lock ring 501 and the female lock ring 502 .

As a preferred mode of the present invention, the end of the male lock ring 501 in the circumferential direction has a first abutment surface 505, and the end of the female lock ring 502 in the circumferential direction has a first abutment surface 505 The second abutting surface 506 is matched, the trapezoidal locking rail 503 is formed on the first abutting surface 505 , and the trapezoidal locking groove 504 is formed on the second abutting surface 506 . The split lock ring proposed by the present invention can be produced and sold as a separate accessory, and can be used in anchor rods of various structures, such as the anchor rods of the first and fourth embodiments. To slide the bolt body 10 into the conical lock tongue, it is only necessary to enclose the bolt body 10 with the male lock ring 501 and the female lock ring 502 at the design position, and then engage with the trapezoidal lock groove 504 through the trapezoidal lock rail 503 The assembly of the lock ring 50 can be completed, which has the advantages of convenient and quick installation.

Embodiment 7

The utility model also proposes a split-assembled centering bracket, which combines the split-type support panel of the fifth embodiment and the side-mounted T-shaped plug of the fourth embodiment as a centering bracket, preferably, in the centering bracket , the lock ring adopts the split lock ring in Implementation VI.

The T-shaped plug 52 of the present invention can adopt the plug body 20 and the limiting body 40 of the first embodiment. Preferably, the limiting body 40 and the plug body 20 are one piece.

The present invention also proposes an anchor rod, which includes an anchor rod rod body 10 and a centering bracket sleeved on the anchor rod rod body 10, and the centering bracket adopts the above-mentioned centering bracket. In the split-assembled centering bracket of the present invention, two semi-cylindrical brackets 80 form a ring-shaped bearing surface, which has a large contact area with the hole wall, low contact pressure, and will not sink into the hole wall soil. The construction process It can ensure that the bolt body 10 is always in the center position, and the bonding force between the bolt body 10 and the grouting body 91 can be ensured, and the outer diameter of the bracket 80 can be customized according to the drilling hole diameter requirements, which can ensure the accurate centering of the bolt body 10 The guide plate 81 of the present utility model can make the anchor rod body 10 put into the drilling process, and it is easy to slide into the drilling hole. Play a certain compaction effect, and further improve the bearing capacity of the anchor rod body 10 and the grouting body 91; the T-shaped plug 52 of the present invention adopts the lateral installation of the anchor rod rod body 10 and the grouting pipe 90, directly on the anchor rod rod body. 10 At the design position, the bolt body 10 can be inserted into the T-shaped plug 52 from the rib opening 24, which is convenient for installation and greatly improves the on-site construction efficiency; the lock ring 50 of the present invention adopts a split male lock ring 501 and a female lock ring 502. , through the cooperation of the trapezoidal lock rail 503 of the male lock ring 501 and the trapezoidal lock groove 504 of the female lock ring 502, the bolt body 10 can be inserted into the lock ring 50 from the outside of the bolt body 10, and screwed into the conical lock The T-shaped plug 52 can be fixed on the tongue 42, so as to avoid the tediousness of penetrating the closed lock ring 50 on the anchor rod body 10, the installation is convenient, and the on-site construction efficiency is greatly improved. The bracket 80 of the present invention includes a T-shaped clip rail 33, and the bracket 80 can be installed by clipping into the T-shaped clip slot 25 matched with the T-shaped plug 52, and the construction efficiency is greatly improved. The split-assembled centering bracket is composed of a T-shaped plug 52, a bracket 80 and a lock ring 50. Due to the split-assembled structure, it can not only greatly improve the construction efficiency of the bolt body 10 centering, but also can be modularized and standardized. , which can be processed and produced in batches.

A split-type quick-installed centering bracket for an anchor rod, the construction includes the following steps:

(1) Process the bolt body 10 and the grouting pipe 90 to the design length and arrange them neatly; (2) At the position of the centering bracket designed on the bolt body 10, remove the bolt body 10 from the T-plug 52 The rib slot 23 is inserted into the rib slot 24 , the bolt body 10 is inserted into the rib slot 44 from the rib slot 45 , and the grouting pipe 90 is inserted into the rib slot 24 of the T-plug 52 for grouting. Tube bracket 27; (3) On the side of the conical lock tongue 42 of the T-shaped plug 52, use the male lock ring 501 and the female lock ring 502 to insert the anchor rod body 10 into the lock ring 50, and insert the male lock ring 501 into the lock ring 50. The trapezoidal lock rail 503 is snapped into the trapezoidal lock groove 504 of the female lock ring 502, and then the combined lock ring 50 is inserted into the outer thread 47 of the tapered lock tongue 42, and screwed until it is tight, and the T-shaped plug 52 is fixed on the anchor (4) Point the guide plate 81 of the bracket 80 to the bottom of the anchor rod body 10, align the T-shaped rail 33 of the male bracket 801 with the T-shaped slot 25 in the T-plug 52, and insert it into the Take the same method, insert the female bracket 802 into the T-shaped plug 52, and make the clip 804 of the male bracket 801 snap into the bayonet 805 of the female bracket 802, that is, complete the split assembly centering Installation of brackets. (6) As a supplement, the anchor rod body 10 can be bound with the tie bar 803 on the side of the plug rod 521 of the T-shaped plug.

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

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

The product form of the present invention is not limited to the illustrations and examples in this case, and any appropriate changes or modifications to it by anyone with similar ideas should be considered as not departing from the scope of the present invention.

Claims (5)

1. a split type lock ring, it is characterized in that: comprise the male lock ring of the half ring shape that cooperates with each other and the female lock ring of the half ring shape, the inner wall of the male lock ring and the inner wall of the female lock ring are all provided with and can be butted with each other. The male lock ring is provided with a lock rail, and the female lock ring is provided with a lock groove that engages with the lock rail. The male lock ring and the female lock ring are assembled into a cylinder through the lock rail and the lock groove. 2 . The split type lock ring according to claim 1 , wherein the lock rail is a trapezoidal lock rail, and the trapezoidal lock rail has a trapezoidal cross section along the circumferential direction of the male lock ring, and the lock groove is in the shape of a trapezoid. 3 . It is a trapezoidal lock groove, the cross section of the trapezoidal lock groove along the circumferential direction of the female lock ring is trapezoidal, the trapezoidal lock rail extends along the axial direction of the male lock ring, and the trapezoidal lock groove extends along the axial direction of the female lock ring. 3. A split lock ring as claimed in claim 2, characterized in that: the length of the trapezoidal lock rail is 5-10mm smaller than the length of the male lock ring, and the length of the trapezoidal lock groove is shorter than the length of the The length of the female locking ring is 5-10mm smaller. 4 . The split lock ring according to claim 2 , wherein the circumferential end of the male lock ring has a first contact surface, and the circumferential end of the female lock ring has a first contact surface. 5 . The second abutting surface matched with the first abutting surface, the trapezoidal locking rail is formed on the first abutting surface, and the trapezoidal locking groove is formed on the second abutting surface. 5. An anchor rod, characterized in that: it comprises an anchor rod rod body and a bracket sleeved on the anchor rod rod body, the bracket comprises a bracket, a plug body arranged in the bracket, and a conical lock tongue arranged on the plug body and a lock ring matched with the conical locking, the bolt body is penetrated in the plug body, and the lock ring adopts a split lock ring according to any one of claims 1 to 4.

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