CN210395338U - T-shaped plug and anchor rod adopting same - Google Patents

Abstract

The utility model relates to a T-shaped plug, which comprises a plug body, wherein a central hole for a grouting pipe to pass through is arranged on the plug body, the plug body comprises a cylindrical section and a conical section, a first thread part is arranged on the outer wall of the cylindrical section, a second thread part is arranged on the outer wall of the conical section, a rib placing groove and a central hole are arranged on the conical section, the rib placing groove and the central hole extend from one axial end of the conical section to the other axial end, an annular elastic seam is also arranged on the conical section, the annular elastic seam extends from one axial end of the conical section to the other axial end, the T-shaped plug also comprises a lock sleeve screwed on the second thread part, the inner wall of the lock sleeve is provided with an inner thread part matched with the second thread part, the rib placing groove and the rib placing hole are equal in quantity, and are mutually communicated. The utility model has the advantages of convenient construction and simple structure, and can be used as an accessory in the centering bracket.

Description

T-shaped plug and anchor rod adopting same

Technical Field

The utility model relates to a T type stopper and adopt stock of this T type stopper.

Background

The bolting technology is an efficient and economic bolting technology, is widely applied to engineering construction such as civil engineering, water conservancy, mining industry, traffic, urban infrastructure, geological disaster prevention and the like, and plays an extremely important role. Taking a traditional tension anchor rod as an example, the anchor rod consists of a free section and an anchoring section, wherein the anchoring section further transmits load to an interface between grouting body and soil body by means of the bonding action of the anchor rod body and the grouting body, so that the uplift bearing capacity of the anchor rod is ensured. The centering of the position of the anchor rod body in the drilled hole is of great importance to the bonding force between the anchor rod body and the grouting body, so that the centering effect of the anchor rod body directly influences the uplift bearing capacity of the anchor rod. But in the work progress, current stock adopts the smooth steel bar welding centering support of diameter 6mm (the reinforcing bar body of rod uses mostly) or adopts the plastics chuck to carry out the centering (the steel strand wires body of rod uses mostly) for the stock exists with potential risk in the work progress: (1) the weight of the rod body is supported by the steel bars by the smooth steel bar welding centering support, when the water content of a soil layer reaches a certain degree or non-dry operation drilling is adopted, the steel bar support is easy to sink into a soil body on a hole wall, centering of the rod body is difficult to guarantee, even the rod body is attached to the hole wall, the rod body cannot be fully bonded with a grouting body, the bearing capacity is greatly reduced, and a large amount of steel bar cutting, bending and welding workload is required for welding the steel bar support; (2) the plastic chuck support is very thin, has very limited strength and hardness, and is very easy to bend and deform under the action of the dead weight of the rod body, so that the rod body is close to or even close to a hole wall soil body, and the bonding force between the anchor rod body and the grout body is obviously reduced.

Therefore, seek the centering support that can effectively ensure the stock body of rod is placed in the middle and the construction is convenient, extremely important to the construction and the engineering safety of stock.

In view of this, the present invention provides a solution to the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple to operate, the structure is simple and easy, can assist the centering support to carry out the T type stopper of centering, simultaneously the utility model discloses still provide the stock that adopts this T type stopper.

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

a T-shaped plug comprises a plug body, wherein a central hole for a grouting pipe to pass through is formed in the plug body, the plug body comprises a cylindrical section and a conical section, a first thread part is arranged on the outer wall of the cylindrical section, a second thread part is arranged on the outer wall of the conical section, a rib placing hole and a central hole are formed in the cylindrical section, the rib placing hole and the central hole extend from one axial end of the cylindrical section to the other axial end of the cylindrical section, a rib placing groove and the central hole are formed in the conical section, the rib placing groove and the central hole extend from one axial end of the conical section to the other axial end of the conical section, an annular elastic seam is further formed in the conical section and extends from one axial end of the conical section to the other axial end of the conical section, the T-shaped plug further comprises a radial elastic seam arranged in the conical section, the annular elastic seam is arranged between the rib placing groove and the radial elastic seam, the radial elastic seam extends from one axial end of the conical section to the other axial end of the conical section, the lock sleeve is connected to the second thread portion in a threaded mode, an inner thread portion matched with the second thread portion is arranged on the inner wall of the lock sleeve, and the rib placing grooves are equal to the rib placing holes in number and are communicated with each other.

As an optimal mode of the utility model, the thickness of annular elasticity seam is 5-15mm, the width of radial elasticity seam is 3-5mm, the cylindricality section with toper section integrated into one piece, it is a plurality of to put the muscle groove, and a plurality of muscle groove ring of putting are established around the centre bore.

An anchor rod comprises an anchor rod body and a bearing plate sleeved on the anchor rod body, wherein a sleeve is sleeved on one axial end of the bearing plate of the anchor rod body, a limiting clamp is arranged at the other axial end of the bearing plate of the anchor rod body, a grouting pipe perforation and a rib perforation hole are formed in the bearing plate, the anchor rod body is arranged in the rib perforation hole in a penetrating mode, the anchor rod further comprises a plug body sleeved on the anchor rod body and a cylindrical support panel sleeved outside the plug body, a central hole for the grouting pipe to penetrate through is formed in the plug body, the plug body comprises a cylindrical section and a conical section, a first thread part is arranged on the outer wall of the cylindrical section, a second thread part is arranged on the outer wall of the conical section, the conical section is provided with a rib placing groove and a central hole, the rib placing groove and the central hole both extend to the other axial end of the conical section, an annular elastic seam is further arranged on the conical section, the annular elastic seam extends to the other axial end of the conical section, and, annular elasticity seam sets up and is putting between muscle groove and the radial elasticity seam, and radial elasticity seam extends to the other end from the axial one end of toper section, and radial elasticity seam runs through to annular elasticity seam from the outer wall of toper section, still includes the lock sleeve of spiro union on second thread portion, and the inner wall of lock sleeve is equipped with the interior thread portion with second thread portion complex, put the muscle groove with put muscle hole quantity equal, and link up each other.

As an optimized mode of the utility model, the slip casting pipe of bearing plate perforate with the coaxial setting of centre bore of cock body, the wear muscle hole of bearing plate the cock body put the muscle hole and put the coaxial setting in muscle groove.

Adopt the technical scheme of the utility model afterwards, the cock body includes cylindricality section and toper section, is equipped with first thread portion at the outer wall of cylindricality section, and first thread portion can cooperate the support panel group of tube-shape class to well support, is equipped with second thread portion at the outer wall of toper section, and the cooperation lock sleeve uses, after having worn the stock body of rod or the muscle body, through screwing up the lock sleeve, realizes the tight location of clamp of cock body on the stock body of rod or the muscle body, the utility model has the advantages of construction convenience, the structure is simple and easy, can be used in centering support as the accessory.

Drawings

Fig. 1 is the utility model discloses install T type connecting sleeve's compound stock installation sketch map of drawing and pressing.

Fig. 2 is the utility model discloses a T type connecting sleeve installation node schematic diagram.

Fig. 3 is a schematic structural view of the first anchor rod segment according to the present invention.

Fig. 4 is a schematic structural view of a second anchor rod segment according to the present invention;

fig. 5 is a cross-sectional view of the T-shaped connecting sleeve of the present invention.

Fig. 6 is a cross-sectional view taken along line a-a of fig. 5 according to the present invention.

Fig. 7 is a cross-sectional view taken along line B-B of fig. 5 according to the present invention.

Fig. 8 is a left side view of fig. 5 according to the present invention.

Fig. 9 is a right side view of fig. 5 according to the present invention.

Fig. 10 is a schematic view of a tension-compression composite anchor rod provided with an enhanced bearing plate.

Fig. 11 is a longitudinal sectional view of the reinforced pressure bearing plate.

Fig. 12 is a sectional view of the bearing plate of the present invention.

Fig. 13 is a cross-sectional view taken along line a-a of fig. 12 according to the present invention.

Fig. 14 is a cross-sectional view taken along line B-B of fig. 12 according to the present invention.

Fig. 15 is a schematic view of the reinforcing rib of the present invention.

Fig. 16 is a schematic view of the enhanced bearing plate configured with the circular stirrup of the present invention.

Fig. 17 is a schematic view of the enhanced bearing plate configured with spiral stirrups of the present invention.

Fig. 18 is a sectional view of a node of a tension-compression composite type anchor rod bearing plate for installing a cross-grouting prevention sleeve joint.

Fig. 19 is a cross-sectional view of a grout sleeve joint installation proof prototype.

Fig. 20 is a partial cross-sectional view taken along line a-a of fig. 19 in accordance with the present invention.

Fig. 21 is a partial cross-sectional view of B-B of fig. 19 according to the present invention.

Fig. 22 is a cross-sectional view of the screw joint tube of the present invention.

Fig. 23 is a cross-sectional view taken along line C-C of fig. 22 in accordance with the present invention.

Fig. 24 is a cross-sectional view of the end of the grout-proof casing joint of the present invention.

Fig. 25 is a cross-sectional view of the screw socket of the present invention.

Fig. 26 is a cross-sectional view taken along line D-D of fig. 25 according to the present invention.

Fig. 27 is a sectional view of the ferrule-to-ferrule connection of the present invention.

Fig. 28 is a cross-sectional view E-E of fig. 27 according to the present invention.

Fig. 29 is a sectional view taken along line F-F of fig. 27 according to the present invention.

Fig. 30 is a cross-sectional view of the rib-penetrating hole of the bearing plate of the present invention.

Fig. 31 is a completed view of the U-shaped centering bracket of the present invention.

Fig. 32 is a cross-sectional view of a T-shaped plug according to the present invention.

Fig. 33 is a sectional view taken along line a-a of fig. 32 according to the present invention.

Fig. 34 is a cross-sectional view taken along line B-B of fig. 32 according to the present invention.

Fig. 35 is a sectional view of the top plate of the present invention.

Fig. 36 is a cross-sectional view taken along line C-C of fig. 35 according to the present invention.

Fig. 37 is a cross-sectional view taken along line D-D of fig. 35 according to the present invention.

Fig. 38 is a sectional view of the lock case of the present invention.

Fig. 39 is a cross-sectional view of a preferred embodiment of the plug body of the present invention in cross-section B-B.

Fig. 40 is the schematic view of the section of the anchor rod for installing the universal rubber plug of the present invention.

Fig. 41 is a sectional view taken along line a-a of fig. 40 according to the present invention.

Fig. 42 is a cross-sectional view taken along line B-B of fig. 40 according to the present invention.

Fig. 43 is a cross-sectional view taken along line C-C of fig. 40 according to the present invention.

In the figure:

a T-shaped connecting sleeve 10; a first barrel section 101; a second barrel section 102; the connecting rib holes 103 are provided with welding spots 104; a bearing plate 11; a rib penetrating hole 111; a grouting pipe through hole 112 limit clamp 113; a grouting pipe 12; an anchor rod body 13; a first anchor rod segment 131; a second anchor rod segment 132; the first threaded portion 133; a second threaded portion 134; a sleeve 135; a grouting body 14; a rock-soil mass 15; a reinforcing rib 20; the connecting thread 201 is a circular stirrup 21; a spiral stirrup 22; a bead groove 23; inner threads 231; a first end 301 of the nipple 30; a second end 302; butt-joint threads 303; a ferrule 31; a support flange 311; a screw boss 32; a position-defining flange 321; screw threads 322; a screw groove 33; a T-shaped plug 40; a central bore 401; a cylindrical section 41; a rib placing hole 411; the first thread part 412 reduced hole 413; a tapered section 42; a rib placing groove 421; a second thread portion 422; the annular elastic seam 423 radial elastic seam 424; a tray panel 43; an internal thread portion 431; a guide plate 432; a lock sleeve 44; an inner thread portion 441; a plug body 50; a first tucked bead seam 501; a first bead hole 502; a second bead-stuffing gap 503; second dowel hole 504

Detailed Description

For further explanation of the technical solution of the present invention, reference is made to fig. 1 to 43, and the following detailed description is made with reference to the accompanying drawings.

Example one

Referring to fig. 1 to 9, a T-shaped connection sleeve 10 for a tension-compression composite anchor rod includes a T-shaped sleeve body and a rib connecting hole 103 formed in the sleeve body, wherein the rib connecting hole 103 penetrates from one axial end of the sleeve body to the other axial end, the sleeve body has a first cylinder section 101 and a first cylinder section 102 which are integrally formed, the outer diameter of the first cylinder section 101 is smaller than that of the second cylinder section 102, and the rib connecting hole 103 is a threaded hole matched with an anchor rod body 13.

As a preferable mode of the present invention, the diameter of the connecting rib hole 103 is 10-30 mm. As a preferred mode of the present invention, the outer diameter of the first cylinder section 101 is 16-40mm, and the outer diameter of the second cylinder section 102 is 10-20mm larger than the outer diameter of the first cylinder section 101. As a preferable mode of the present invention, the wall thickness of the first cylinder section 101 is 3-5mm, and the wall thickness of the second cylinder section 102 is 8-15 mm.

The utility model also provides an anchor rod, establish the bearing plate 11 at the anchor rod body 13 including the anchor rod body 13 and cover, the anchor rod body 13 is equipped with sleeve pipe 135 in 11 axial pot heads of bearing plate, the anchor rod body 13 in 11 axial other ends of bearing plate are equipped with T type connecting sleeve 10, the anchor rod body 13 includes first anchor section 131 and second anchor section 132, and one of first anchor section 131 is served and is equipped with first screw thread portion 133, and one of second anchor section 132 is served and is equipped with second screw thread portion 134, and the equal threaded connection of first screw thread portion 133 and second screw thread portion 134 is in the rib hole 103, second barrel section 102 welding is in on the bearing plate 11, specifically the terminal surface of second barrel section 102 passes through spot welding and forms the solder joint on the bearing plate 11.

The utility model relates to a T type connecting sleeve 10 for drawing and pressing compound stock, its construction step is as follows:

(1) processing a first anchor rod section 131 and a second anchor rod section 132 according to the design of the tension-compression composite anchor rod, and processing a first threaded part 133 and a second threaded part 134 on the first anchor rod section 131 and the second anchor rod section 132 respectively; (2) screwing the first threaded portion 133 of the first anchor segment 131 from the second barrel segment 102 of the T-connection sleeve 10 into the tendon hole 103, and screwing the second threaded portion 134 of the second anchor segment 132 from the first barrel segment 101 of the T-connection sleeve 10 into the tendon hole 103; (3) aligning the rib penetrating hole 111 of the bearing plate 11 with the first anchor rod section 131, penetrating the bearing plate 11 into the first anchor rod section 131, moving the bearing plate to the T-shaped connecting sleeve 10, attaching the bearing plate to the end surface of the second cylinder section 102, fixing the bearing plate by spot welding, and sleeving the sleeve 135 on the first anchor rod section 131.

The utility model discloses well stock body of rod 13 can adopt 13 reinforcing bars of the stock body of rod or steel strand wires. When the anchor rod body 13 adopts the steel strand wires, the screw thread in the even muscle hole 103 is got rid of, and the steel strand wires need not break off in the T type connecting sleeve 10, directly embolias the steel strand wires design position with T type connecting sleeve 10 after, adopts the extruder to fix the first section of thick bamboo 101 of T type connecting sleeve 10 on the steel strand wires through the extrusion effect, can accomplish the installation of T type connecting sleeve 10 on the anchor rod body 13 and fix.

After the technical scheme of the utility model is adopted, during construction, the first anchor rod section 131 and the second anchor rod section 132 of the anchor rod body 13 can be mechanically connected through the T-shaped connecting sleeve 10, so that the installation is convenient, the quality is reliable, and the bearing capacity is high; the bearing plate 11 can be directly fixed with the second cylinder section 102 of the T-shaped connecting sleeve 10 in a spot welding mode, so that the welding workload of welding and fixing the bearing plate 11 by using the bar reinforcement in the construction process is greatly reduced, and the problem of failure of the bar reinforcement caused by the problem of welding quality is effectively avoided; the outer diameter of the second cylinder section 102 is larger than that of the first cylinder section 101, and the second cylinder section 102 can effectively and reliably transmit the load to the bearing plate 11.

Example two

Referring to fig. 10 to 17, the utility model discloses still provide an enhancement mode bearing plate for drawing and pressing compound stock, including bearing plate 11, be equipped with slip casting pipe perforation 112 and wear muscle hole 111 on the bearing plate 11, bearing plate 11 is served along axial one and is equipped with a plurality of joint muscle grooves 23, in the embodiment, has shown six joint muscle grooves 23, is equipped with interior screw thread 231 in the joint muscle groove 23, still includes a plurality of reinforcing bars 20, and reinforcing bars 20 corresponds to be six, and a plurality of reinforcing bars 20 correspond threaded connection in joint muscle groove 23.

As a preferable mode of the present invention, the plurality of reinforcing ribs 20 are provided in parallel. As a preferred mode of the utility model, the thickness of the bearing plate body is 20-40 mm. As a preferred mode of the utility model, the diameter of the reinforcing rib 20 is 8-20mm, and the length of the reinforcing rib 20 is 2-5 times of the diameter of the anchor rod drilling hole.

The utility model relates to an anchor rod, establish the enhancement mode bearing plate at the anchor rod body of rod 13 including the anchor rod body of rod 13 and cover, the anchor rod body of rod 13 is equipped with sleeve pipe 135 in 11 axial pot heads of bearing plate, and the anchor rod body of rod 13 is equipped with spacing card 113 in 11 axial other ends of bearing plate, is equipped with slip casting pipe perforation 112 on the bearing plate 11 and wears muscle hole 111, the anchor rod body of rod 13 is worn to establish in wearing muscle hole 111, one of bearing plate 11 edge axial is served and is equipped with a plurality of reinforcement grooves 23, still includes a plurality of reinforcing bars 20, and a plurality of reinforcing bars 20 correspond threaded connection in reinforcement groove 23.

The utility model relates to an enhancement mode bearing plate for drawing and pressing compound stock, its construction step is as follows: (1) an anchor rod body 13 is inserted into a rib penetrating hole 111 of the pressure bearing plate 11, the pressure bearing plate 11 is adjusted to a design position, and a reinforcement connecting groove 23 on the pressure bearing plate 11 points to the direction of an anchor head; (2) fixing the bearing plate 11 by using a limit clamp 113, sleeving a sleeve 135 on the anchor rod body 13, and penetrating a grouting pipe 12 into a grouting pipe through hole 112; (3) screwing the connecting threads 201 of the reinforcing ribs 20 into the reinforcement grooves 23 of the pressure bearing plate 11 until the reinforcing ribs are screwed tightly; (4) and placing a circular stirrup 21 or a spiral stirrup 22 at the periphery of the reinforcing rib 20, and performing spot welding or wire binding to fix the reinforcing plate 11 firmly, thereby completing the installation of the reinforcing bearing plate.

Adopt the technical scheme of the utility model, reinforcing bar 20 can form certain hoop restraint to the grout body 14 of its length within range to improve the resistance to compression bearing capacity of grout body 14 greatly. And the reinforcing ribs 20 can disperse and transfer the load borne by part of the bearing plate 11 to the grouting body 14 in a certain range in front of the bearing plate 11, so that the effect of sharing the load borne by the grouting body 14 is achieved, the load borne by the grouting body 14 at the bottom of the bearing plate 11 is greatly reduced, and the compression-resistant bearing safety coefficient of the grouting body 14 is improved. When soil clamping exists in front of the bearing plate 11 to a certain degree due to construction quality, the reinforcing ribs 20 are rigidly connected with the bearing plate 11, and the load transmitted to the grouting body 14 by the bearing plate 11 can be finally transmitted to the grouting body 14 through interaction among the bearing plate, the reinforcing ribs and the grouting body, so that pressure-bearing damage caused by serious insufficient strength due to soil clamping of the grouting body at the bottom of the bearing plate 11 is effectively avoided, and further the failure of the bearing capacity of the anchor rod is avoided. The reinforcing ribs 20 are connected by screw threads, and have the advantage of convenient construction.

In the first and second embodiments, the icon 15 represents a rock-soil body.

EXAMPLE III

Referring to fig. 18 to 30, the present invention further provides a grout leakage preventing sleeve joint for a tension-compression composite anchor rod, comprising a threaded pipe 30 in threaded connection with a bearing plate 11, a sleeve pipe 31 sleeved outside a sleeve pipe 135, and a screw sleeve 32 sleeved outside the sleeve pipe 31, wherein the sleeve pipe 31 is sleeved outside the sleeve pipe 135 by means of hot melt adhesion, both ends of the threaded pipe 30 along an axial direction are respectively provided as a first end 301 and a second end 302, the first end 301 is threaded in a threaded groove 33 of the bearing plate 11, the second end 302 is screwed with the screw cap 32, a limit flange 321 extending to the center of the screw cap 32 is formed on the end of the screw cap 32, a screwing thread 322 is arranged in the screw cap 32, the sleeve pipe 31 is arranged in the screw cap 32 in a penetrating manner, a support flange 311 is formed in the sleeve pipe 31 in the screw cap 32, and the support flange 311 abuts against between the end of the screwing pipe 30 and the limit flange 321 of the screw cap 32. The outer wall of the nipple 30 is provided with a butt thread 303, and the screw socket 32 is screwed in the nipple 30.

As a preferable mode of the present invention, the length of the screw tube 30 is 20-50 mm. As an optimized mode of the utility model, be equipped with on the bearing plate 11 and wear muscle hole 111, wear to be equipped with spiro union groove 33 in muscle hole 111, spiro union pipe 30 threaded connection is in spiro union groove 33. As a preferred mode of the present invention, the length of the screw groove 33 is 5-10 mm. As a preferred mode of the present invention, when the screw cap 32 is locked, the distance between one end of the bearing plate 11 close to the screw cap 32 and the bearing plate 11 is 5-10 mm.

The utility model also provides an anchor rod, establish the bearing plate 11 at the anchor rod body of rod 13 including the anchor rod body of rod 13 and cover, the anchor rod body of rod 13 is equipped with sleeve pipe 135 in 11 axial pot heads of bearing plate, and the anchor rod body of rod 13 is equipped with spacing card 113 in 11 axial other ends of bearing plate, is equipped with slip casting pipe perforation 112 on the bearing plate 11 and wears muscle hole 111, the anchor rod body of rod 13 is worn to establish in wearing muscle hole 111.

A prevent cross thick liquid sleeve joint for drawing and pressing compound stock includes following steps:

(1) screwing the screw pipe 30 into the screw groove 33 of the pressure bearing plate 11; (2) penetrating the anchor rod body 13 into the screwed pipe 30 and the rib penetrating hole 111 of the pressure bearing plate 11, adjusting the pressure bearing plate 11 to a designed position, and fixing the limit clamp 113; (3) cutting the sleeve 135 according to the designed length, and after the end socket is sleeved with the screw sleeve 32, processing and connecting the sleeve 31 and the sleeve 135; (4) the sleeve pipe 31 installed on the sleeve pipe 135 is opposite to the bearing plate 11, the sleeve pipe 135 is sleeved on the anchor rod body 13 from the anchor head side, the screw sleeve 32 is screwed into the screw connection pipe 30 until the support flange 311 is tightly contacted with the limit flange 321, and then the joint installation is completed.

Adopt the technical scheme of the utility model, sleeve pipe 135 loops through sleeve pipe 31, swivel nut 32 and spiro union pipe 30 and bearing plate 11 and carries out zonulae occludens, and seamless and sealing performance is good between each connecting portion, can guarantee completely that the interior stock body of rod 13 of sleeve pipe 135 and the outer grout body 14's of sleeve pipe 135 keep apart, can thoroughly eradicate the interior cluster thick liquid phenomenon of sleeve pipe 135. Therefore, when the load at the anchor head is transmitted to the bearing plate 11, the axial tension loss of the anchor rod body 13 can not occur, and the engineering safety is effectively guaranteed; simultaneously the utility model discloses the preparation is convenient, connects swiftly, and the quality is reliable, but relevant part batch production.

Example four

Referring to fig. 31 to 39, the utility model discloses still provide a U type centering bracket for stock, including the support panel 43 that is the tube-shape and set the T type stopper 40 in the support panel 43, support panel 43 is provided with the deflector 432 that extends to the center of support panel 43 along axial one end, is equipped with the centre bore 401 that supplies slip casting pipe 12 to pass on the T type stopper 40 and is used for wearing to establish the muscle hole 411 of putting of the stock body of rod 13, and the inside of support panel 43 is equipped with internal thread portion 431, is equipped with on the T type stopper 40 with internal thread portion 431 complex thread portion. The utility model discloses in, internal thread portion 431 can not follow the setting of holding in the palm panel 43 inner wall full length, and in the embodiment, internal thread portion 431 extends to the middle part of holding in the palm panel 43, can make T type stopper 40 install the back that finishes like this, and T type stopper 40 is in the middle part of holding in the palm panel 43 probably, and locks easily, and the atress is also better.

As a preferred mode of the present invention, the T-shaped plug 40 includes a cylindrical section 41 and a conical section 42, the thread portion is a first thread portion 412 formed on an outer wall of the cylindrical section 41, a second thread portion 422 is formed on an outer wall of the conical section 42, the cylindrical section 41 is provided with a rib hole 411 and a central hole 401, the rib hole 411 and the central hole 401 both extend from one axial end of the cylindrical section 41 to the other axial end, the conical section 42 is provided with a rib groove 421 and a central hole 401, the rib groove 421 and the central hole 401 both extend from one axial end of the conical section 42 to the other axial end, the conical section 42 is further provided with an annular elastic seam 423, the annular elastic seam 423 extends from one axial end of the conical section 42 to the other axial end, the T-shaped plug further includes a radial elastic seam 424 provided on the conical section 42, the annular elastic seam 423 is provided between the rib groove 421 and the radial elastic seam 424, the radial elastic seam 424 extends from one axial end of the conical section 42 to the other axial end, and the radial elastic seam 424 penetrates from the outer wall of the conical section 42 to the annular elastic seam 423, the lock sleeve 44 is screwed on the second thread part 422, the inner wall of the lock sleeve 44 is provided with an inner thread part 441 matched with the second thread part 422, and the rib placing grooves 421 and the rib placing holes 411 are equal in number and mutually communicated.

As a preferable mode of the present invention, the guide plate 432 is an arc-shaped guide plate 432, and is substantially in a cone shape. As a preferred mode of the utility model, the thickness of the annular elastic seam 423 is 5-15mm, and the width of the radial elastic seam 424 is 3-5 mm.

In this embodiment, the number of the rib holes 411 of the T-shaped plug 40 is 4, 4 rib holes 411 are annularly arranged around the central hole 401, and the central hole 401 of the T-shaped plug 40 and the rib holes 411 are formed on the cylindrical section 41. The T-shaped plug of the utility model can be sold as an independent accessory.

Referring to fig. 39, the plug body of the present invention is preferably further provided with a mass reducing hole 413.

The utility model also provides an anchor rod, establish the bearing plate 11 at the anchor rod body 13 including the anchor rod body 13 and cover, the anchor rod body 13 is equipped with sleeve pipe 135 in the axial pot head of bearing plate 11, and the anchor rod body 13 is equipped with spacing card 113 in the axial other end of bearing plate 11, is equipped with slip casting pipe perforation 112 and wears muscle hole 111 on the bearing plate 11, the anchor rod body 13 is worn to establish in wearing muscle hole 111, still establishes including the cover T type stopper 40 on the anchor rod body 13, T type stopper 40 adopt above-mentioned T type stopper 40, still including the support panel 43 that is the tube-shape, T type stopper 40 cooperation is in support panel 43, and support panel 43 is provided with the deflector 432 that extends to the center of support panel 43 along axial one end, and the inside of support panel 43 is equipped with internal thread portion 431, is equipped with on the T type stopper 40 with internal thread portion 431 complex thread portion. In an embodiment, the grouting pipe through hole 112 of the pressure bearing plate 11 is coaxially disposed with the central hole 401 of the T-shaped plug 40, and the rib through hole 111 of the pressure bearing plate 11 is coaxially disposed with the rib placing hole 411 of the cylindrical section 41 of the T-shaped plug 40 and the rib placing groove 421 of the conical section 42 of the T-shaped plug 40.

The utility model relates to a U type centering bracket for stock, its construction procedure is as follows:

(1) pre-screwing the sleeve 44 into the tapered section 42 of the T-plug 40, the sleeve 44 being screwed into the tapered section 42 to a depth of about 1/4-1/2 of the width of the sleeve 44; (2) pre-screwing the supporting plate 43 into the cylindrical section 41 of the T-shaped plug 40, so that the guide plate 432 and the conical section 42 are positioned at two sides of the cylindrical section 41; (3) directing the guide plate 432 of the pre-assembled centering bracket to the bottom of the anchor rod body 13, sequentially enabling the anchor rod body 13 to penetrate through a rib placing hole 411 and a rib placing groove 421 of the T-shaped plug 40, and enabling the grouting pipe 12 to penetrate through a central hole 401 of the T-shaped plug 40; (4) the centering bracket penetrating the anchor rod body 13 is moved to the designed position, the lock sleeve 44 is screwed tight, and the support plate 43 is screwed tight, thereby completing the installation of the U-shaped centering bracket.

The supporting panel 43 of the centering bracket of the utility model is cylindrical, has large contact area with the hole wall and small contact pressure, can not sink into the soil body of the hole wall, can ensure that the anchor rod body 13 is always in the middle position in the construction process, and ensures the bonding force between the rod body and the grouting body 14; the guide plate 432 is arranged on the supporting panel 43, and the anchor rod body 13 is easy to slide into a drilled hole in the drilling process, so that the cutting and disturbance of the reinforcing steel bar welding bracket on the wall soil body can be effectively avoided, and the soil body residue in the drilled hole is reduced; the components of the centering bracket are very simple, and the batch production and the manufacture are very convenient.

The utility model relates to a spacing card 113 can adopt the utility model discloses the T type connecting sleeve 10 that mentions.

EXAMPLE five

Referring to fig. 40 to 43, the present invention further provides a universal rubber plug for isolating and centering the anchor rod body 13, which comprises a plug body 50, wherein the plug body 50 is provided with a central hole 401 (for penetrating the grouting pipe 12), the central hole 401 penetrates from one axial end of the plug body 50 to the other axial end, the plug body 50 comprises a cylindrical section 41 and a conical section 42, the cylindrical section 41 and the conical section 42 can be integrally formed, the outer wall of the cylindrical section 41 forms a first thread part 412, the outer wall of the conical section 42 forms a second thread part 422, the cylindrical section 41 is provided with a first rib hole 502 and a first rib slit 501 communicated with the first rib hole 502, the first rib hole 502 and the first rib slit 501 both extend from one axial end of the cylindrical section 41 to the other axial end, the first rib slit 501 extends to the outer wall of the cylindrical section 41, the conical section 42 is provided with a second rib hole 504 and a second rib slit 503 communicated with the second rib hole 504, the second rib hole 504 and the second rib slit 503 extend from one axial end to the other axial end of the conical section 42, the second rib slit 503 is communicated with the first rib slit 501 on the cylindrical section 41, the second rib slit 503 extends to the outer wall of the conical section 42, the conical section 42 is further provided with an annular elastic slit 423, the annular elastic slit 423 extends from one axial end to the other axial end of the conical section 42, the annular elastic slit 423 is arranged between the second rib hole 504 and the second rib slit 503, the lock sleeve 44 is screwed on the second thread part 422, the inner wall of the lock sleeve 44 is provided with an inner thread part 441 matched with the second thread part 422, the number of the second rib hole 504 and the first rib hole 502 is equal, and are mutually communicated.

As a preferable mode of the present invention, the width of the first bead-filling slit 501 is 4 to 10mm smaller than the diameter of the first bead-filling hole 502. As a preferable mode of the present invention, the width of the second bead-filling slit 503 is 4 to 10mm smaller than the diameter of the second bead-filling hole 504. As a preferred mode of the utility model, the thickness of the annular elastic seam 423 is 5-15mm, and the width of the radial elastic seam 424 is 3-5 mm.

The utility model relates to a general purpose rubber buffer for isolation of stock body of rod and centering, its construction procedure is as follows:

(1) threading the anchor rod body 13 into the lock sleeve 44, moving the lock sleeve 44 to the vicinity of the designed position on the anchor rod body 13, and placing the plug body 50 at the designed position on the anchor rod body 13; (2) sequentially plugging the anchor rod body 13 into a first plugging rib hole 502 and a second plugging rib hole 504 of the plugging body 50 through a first plugging rib seam 501 and a second plugging rib seam 503; (3) the grouting pipe 12 is sequentially inserted into the central holes 401 of the lock sleeve 44 and the plug body 50; (4) and screwing the lock sleeve 44 into the second thread part 422 of the conical section 42 until the lock sleeve is tightened, thus completing the installation of the universal rubber plug.

By adopting the technical scheme of the utility model, the universal rubber plug is provided with a first plug rib seam 501, a second plug rib seam 503, a first plug rib hole 502 and a second plug rib hole 504 for placing the anchor rod body 13, the anchor rod body 13 can be installed from the side edge of the plug body, the construction is convenient, and the construction speed is high; the conical section 42 of the universal rubber plug is provided with a radial elastic seam 424 and an annular elastic seam 423, and the universal rubber plug and the anchor rod body 13 can be locked and fixed through a lock sleeve 44; the outer wall of the cylindrical section 41 is provided with a first thread part 412, so that the cylindrical section can be conveniently matched with a centering bracket or a ship-shaped bracket panel and the like for use, and the functions have good expansibility; the general purpose rubber buffer can be according to the stock body of rod 13 quantity and diameter size, the quantity and the diameter in corresponding first stopper muscle hole 502 of adjustment and second stopper muscle hole 504, has good commonality, but different specifications of batch production and model.

The utility model also provides an anchor rod, establish the bearing plate 11 at the anchor rod body of rod 13 including the anchor rod body of rod 13 and cover, the anchor rod body of rod 13 is equipped with sleeve pipe 135 in 11 axial pot heads of bearing plate, and the anchor rod body of rod 13 is equipped with spacing card 113 in 11 axial other ends of bearing plate, is equipped with slip casting pipe perforation 112 on the bearing plate 11 and wears muscle hole 111, the anchor rod body of rod 13 is worn to establish and is worn to wear muscle hole 111, still establishes including the cover plug body 50 on the anchor rod body of rod 13 is equipped with centre bore 401 on the plug body 50, and centre bore 401 runs through to the other end from 50 axial one end of plug body, plug body 50 adopts above-mentioned plug.

The utility model provides a centering bracket, T type connecting sleeve, general purpose stopper, T type stopper and prevent that cluster thick liquid bushing head can be used in same stock, promote the comprehensive properties of stock.

The product form of the present invention is not limited to the drawings and embodiments of the present application, and any person can properly change or modify the product form of the present invention without departing from the scope of the present invention.

Claims (9)

1. The utility model provides a T type stopper, includes the cock body, is equipped with the centre bore that supplies the slip casting pipe to pass on the cock body, its characterized in that: the plug body comprises a cylindrical section and a conical section, wherein a first thread part is arranged on the outer wall of the cylindrical section, a second thread part is arranged on the outer wall of the conical section, a rib placing hole and a central hole are formed in the cylindrical section, the rib placing hole and the central hole extend from one axial end of the cylindrical section to the other axial end of the cylindrical section, a rib placing groove and a central hole are formed in the conical section, the rib placing groove and the central hole extend from one axial end of the conical section to the other axial end of the conical section, an annular elastic seam is further formed in the conical section, the annular elastic seam extends from one axial end of the conical section to the other axial end of the conical section, the radial elastic seam is arranged in the conical section, the annular elastic seam is arranged between the rib placing groove and the radial elastic seam, and extends from one axial end of the conical section to the other axial, and the radial elastic seam runs through to annular elastic seam from the outer wall of toper section, still includes the lock tube of spiro union on second thread portion, and the inner wall of lock tube is equipped with the interior thread portion with second thread portion complex.

2. A T-shaped plug as claimed in claim 1, wherein: the thickness of the annular elastic seam is 5-15 mm.

3. A T-shaped plug as claimed in claim 2, wherein: the width of the radial elastic seam is 3-5 mm.

4. A T-shaped plug as claimed in claim 3, wherein: the cylindrical section is integrally formed with the conical section.

5. A T-shaped plug as claimed in claim 4, wherein: the rib placing grooves in the conical section are multiple, and the rib placing grooves are annularly arranged around the central hole.

6. A T-shaped plug as claimed in claim 1, wherein: the rib placing holes in the cylindrical section are multiple, and the rib placing holes are annularly arranged around the central hole.

7. A T-shaped plug as claimed in claim 1, wherein: the number of the rib placing grooves is equal to that of the rib placing holes, and the rib placing grooves and the rib placing holes are communicated with each other.

8. The utility model provides an anchor rod, establishes the bearing plate at the anchor rod body including the anchor rod body and cover, and the anchor rod body is equipped with the sleeve pipe in the axial pot head of bearing plate, and the anchor rod body is equipped with spacing card in the axial other end of bearing plate, is equipped with the slip casting pipe on the bearing plate and perforates and wear the muscle hole, the anchor rod body is worn to establish in wearing muscle hole, its characterized in that: the plug body is sleeved on the anchor rod body, the cylindrical support panel is sleeved outside the plug body, the plug body is provided with a center hole for a grouting pipe to pass through, the plug body comprises a cylindrical section and a conical section, the outer wall of the cylindrical section is provided with a first thread part, the outer wall of the conical section is provided with a second thread part, the cylindrical section is provided with a rib placing hole and a center hole, the rib placing hole and the center hole extend from one axial end of the cylindrical section to the other axial end of the cylindrical section, the conical section is provided with a rib placing groove and a center hole, the rib placing groove and the center hole extend from one axial end of the conical section to the other axial end of the conical section, the conical section is further provided with an annular elastic seam, the annular elastic seam extends from one axial end of the conical section to the other axial end of the conical section, the annular elastic seam is arranged between the rib placing groove and the radial elastic seam, the radial elastic seam extends from one axial end of the conical section to the other axial end of the conical section, and the radial elastic seam extends from the outer wall, the lock sleeve is connected to the second thread portion in a threaded mode, an inner thread portion matched with the second thread portion is arranged on the inner wall of the lock sleeve, and the rib placing grooves are equal to the rib placing holes in number and are communicated with each other.

9. A rock bolt according to claim 8, wherein: the grouting pipe perforation of the bearing plate and the central hole of the plug body are coaxially arranged, and the rib perforation hole of the bearing plate, the rib placing hole of the plug body and the rib placing groove are coaxially arranged.

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