CN114856667A - Multi-angle matched roadway support tray and using method - Google Patents

Abstract

The invention relates to the technical field of anchoring support trays, in particular to a multi-angle matched roadway support tray and a using method thereof. The roadway support tray capable of being matched in multiple angles and the using method thereof are characterized in that the tray body is pushed to deflect along the anchor rod, the anchor pipe and the shaft head, so that the stress surface of the tray body and the tightening angle of the anchor rod are correspondingly adjusted, the nut is screwed in to enable the tray body to be attached to the rock stratum after adjustment is completed, then the anchor rod is reversely tightened, the rock stratum relatively close to the anchor pipe and the nut or the fixing ring and the nut relatively push the end rings at two ends of the anchor pipe to relatively displace, the two ends of the offset frame are relatively extruded along the inserted bar of the perforation synchronous motion along the end rings, so that the offset frame outwards bends along the through opening and is embedded into the clamping groove, the anchor pipe after angle adjustment is locked, and the anchor rod can be tightened in an inclined state along the tray body according to different rock-soil layers and force application effects.

Description

Multi-angle matched roadway support tray and using method

Technical Field

The invention relates to the technical field of anchoring support trays, in particular to a multi-angle matched roadway support tray and a using method thereof.

Background

The anchor rod is the most basic component of roadway support in coal mines, the surrounding rocks of the roadway are reinforced together, the surrounding rocks support the anchor rod, the anchor rod supporting system generally comprises an anchor rod body, an anchoring agent, a tray, a nut and the like, the specific operation method is that the anchor rod body is inserted into an anchor rod drilling hole in which the anchoring agent is placed and is rotationally stirred, the nut is screwed after the anchoring agent is solidified with the anchor rod body and a rock wall, the anchor rod body is stretched by means of the blocking effect of the anchor rod tray and the rock wall, the application of the pre-tightening force of the anchor rod supporting system is realized, and the supporting purpose is achieved.

The tray, as a component in the bolting system, plays a key role in the bolting system. The inventor finds the following problems in the prior art in the process of researching the prior tray: the tray is connected with the anchor rod through the preset mounting hole, the mounting angle of the anchor rod cannot be adjusted according to actual conditions, and the tray cannot be used for tightening the inclined state.

In view of the above, a multi-angle matched roadway support tray and a using method thereof are provided.

Disclosure of Invention

The invention aims to provide a multi-angle matched roadway support tray and a using method thereof, and aims to solve the problems that in the background art, connection between the tray and an anchor rod is mainly realized through a preset mounting hole, the mounting angle of the anchor rod cannot be adjusted according to actual conditions, and the inclined state cannot be tightened along the tray. In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a multi-angle matched roadway support tray, includes the tray body, the tray body is established to trapezoidal structure, and the middle part of tray body has seted up the mounting hole, the inside activity interlude of mounting hole has the stock, the inside of tray body is provided with the multiple coupling mechanism with stock matched with.

The upside integrated into one piece on stock surface has with multiple coupling mechanism matched with solid fixed ring, and the bottom threaded connection of stock has the nut with solid fixed ring cooperation control multiple coupling mechanism.

Preferably, multiple coupling mechanism includes adjusting part, stock reinforcing element and locking subassembly, adjusting part sets up in the middle part of tray body, stock fixed connection is in adjusting part.

The anchor rod reinforcing assembly and the anti-loosening assembly are arranged in the adjusting assembly.

Preferably, the adjusting part comprises an anchor pipe, the anchor pipe is movably connected in the mounting hole, the lower side of the surface of the anchor pipe is fixedly connected with a shaft head, and the anchor pipe is rotatably connected in the mounting hole through the shaft head.

The anchor rod is movably arranged in the anchor pipe.

The surface of the tray body is provided with angle modulation grooves communicated with the mounting holes, and the anchor pipe deflects in a fan shape in the angle modulation grooves.

The anchor pipe is characterized in that end rings are arranged at two ends of the anchor pipe, the two end rings are respectively matched with the fixing ring and the nut, an inserting rod is fixedly connected to one side, opposite to the anchor pipe, of the surface of each end ring, a through hole corresponding to the inserting rod is formed in a port of the anchor pipe, the two inserting rods are movably inserted into corresponding ends of the through holes in a penetrating mode, deflection frames are rotatably connected to the outer sides of the opposite ends of the two inserting rods, and the two deflection frames are rotatably connected with each other.

The anchor rod reinforcing assembly is arranged between the two inserted rods, and the anti-loosening assembly is arranged on the inserted rods.

The surface of the anchor pipe is provided with a through hole communicated with the through hole and matched with the deflection frame, and the side walls of the angle adjusting groove and the mounting hole are provided with clamping grooves matched with the deflection frame.

Preferably, the anchor rod reinforcing component comprises two inner buckling frames, the number of the inner buckling frames is two, the inner buckling frames are respectively and rotatably connected to the inner sides of the two opposite ends of the inserted rods, and the two inner buckling frames are rotatably connected with each other.

Preferably, the anti-loosening assembly comprises an inner groove, the inner groove is formed in the inner wall of the through hole, the surface of the inserted bar is fixedly connected with an anti-loosening device in the inner side, and the outer end of the inserted bar is fixedly connected with a rubber ring matched with the through hole and the inner groove.

Preferably, the number of the insert rods is four, and the four insert rods are arranged symmetrically along the two end rings in a group of two.

Preferably, the top edge of the inner wall of the angle adjusting groove is fixedly connected with a hair curtain matched with the anchor pipe.

A use method of a multi-angle matched roadway support tray comprises the following steps:

s1, selecting whether the anchor rod is provided with a fixing ring according to the hardness of a rock layer of a supporting point, forming a drill hole at the supporting point, placing an anchoring agent in the drill hole, inserting the anchor rod body into the drill hole in which the anchoring agent is placed and rotationally stirring, aligning and sleeving the tray body and the outer end of the anchor rod after the anchoring agent is solidified with the anchor rod body and the rock wall, enabling the anchor rod to penetrate into the anchor pipe, screwing a nut into the anchor rod along the outer end of the anchor rod to realize the installation of the tray body on the anchor rod, stretching the anchor rod body by means of the blocking effect of the anchor rod, the tray and the rock wall, realizing the application of the pre-tightening force of the anchor rod supporting system, and achieving the supporting purpose.

S2, when the anchor rod is required to be tightened in an inclined state along the tray body according to different rock and soil layers and force application effects, an operator can align and sleeve in the outer end of the anchor rod at the tray body, the tray body is pushed to deflect along the anchor rod, the anchor pipe and the shaft head, the stress surface of the tray body and the tightening angle of the anchor rod are correspondingly adjusted, the nut is screwed in to enable the tray body to be attached to a rock stratum after adjustment is completed, then the anchor rod is reversely tightened, the rock stratum relatively close to the anchor rod and the nut or the fixing ring and the nut relatively push the end rings at two ends of the anchor pipe to be relatively displaced, the end rings are driven to relatively extrude the deflection frame along the inserted rods which synchronously move along the through holes at two ends, the deflection frame is bent outwards along the through holes and is embedded into the clamping grooves, and the anchor pipe after angle adjustment is locked.

S3, when the rock stratum close to the anchor pipe and the nut or the fixing ring and the nut push the end rings at two ends of the anchor pipe to relatively displace, the two ends synchronously and relatively extrude the inner buckling frame along the inserted rod of the perforation synchronous motion along the end rings, so that the inner buckling frame is bent inwards in the perforation and is buckled on the anchor rod in the anchor pipe, the tray body is secondarily locked between the anchor rods in the anchoring and supporting state, the deflection of the tray body along the anchor rod can be effectively avoided, and the stability in the installation and use process is improved.

S4, in the process of daily transferring and carrying, a user can firstly sleeve the tray body and the anchor pipe along the end part of the anchor rod, then manually press the end ring to drive the inner buckle frame to simply buckle along the surface of the anchor rod, and the rubber ring on the surface of the inserted rod is extruded and deformed to pass through the through hole to enter the inner groove to limit the inserted rod, so that the current buckling state is kept, the situation that each part of the device is scattered to influence carrying is avoided, and the daily use is further facilitated.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the tray body is pushed to deflect along the anchor rod, the anchor pipe and the shaft head, so that the stress surface of the tray body and the tightening angle of the anchor rod are correspondingly adjusted, the nut is screwed in to enable the tray body to be attached to a rock stratum after adjustment is finished, then the anchor rod is tightened reversely, the rock stratum, the nut or the fixing ring and the nut which are relatively close to each other in the process relatively push the end rings at two ends of the anchor pipe to relatively displace, the deflection frame is relatively extruded by the inserted rods with two ends moving along the through hole synchronously along with the end rings, so that the deflection frame outwards bends along the through hole and is embedded into the clamping groove, the anchor pipe after angle adjustment is locked, and the anchor rod can be tightened in an inclined state along the tray body according to different rock and soil layers and force application effects.

In the invention, when the rock stratum and the nut which are relatively close to each other or the fixing ring and the nut push the end rings at two ends of the anchor pipe to relatively displace, the inner buckling frame is synchronously and relatively extruded by the inserted rods with two ends moving along the through hole along with the end rings, so that the inner buckling frame is bent inwards in the through hole and is buckled on the anchor rod in the anchor pipe in a propping and buckling mode, the tray body is secondarily locked between the anchor rods in an anchoring and supporting state, the tray body can be effectively prevented from deflecting along the anchor rod, and the stability in the installation and use process is improved.

According to the invention, the tray body and the anchor pipe are sleeved along the end part of the anchor rod, then the end ring is manually pressed to drive the inner buckling frame to be buckled simply along the surface of the anchor rod, the rubber ring on the surface of the inserted rod is extruded and deformed to penetrate through the through hole to enter the inner groove to limit the inserted rod, so that the current buckling state is maintained, the situation that each part of the device is scattered to influence carrying is avoided, and the daily use is further facilitated.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a cross-sectional view of a transverse perspective structure of the present invention;

FIG. 3 is an exploded view of FIG. 2 of the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 3 in accordance with the present invention;

FIG. 5 is a longitudinal perspective sectional view of the present invention;

fig. 6 is an exploded view of fig. 5 of the present invention.

In the figure: 1. a tray body; 2. mounting holes; 3. an anchor rod; 4. a multiple connection mechanism; 41. an adjustment assembly; 411. an anchor pipe; 412. a shaft head; 413. an angle adjusting groove; 414. an end ring; 415. inserting a rod; 416. perforating; 417. a deflection frame; 418. a port; 419. a card slot; 42. an anchor rod reinforcement assembly; 421. an inner buckle frame; 43. a locking assembly; 431. an inner tank; 432. preventing tripping; 433. a rubber ring; 5. a fixing ring; 6. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by workers skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution: a multi-angle matched roadway supporting tray comprises a tray body 1, wherein the tray body 1 is in a trapezoidal structure, a mounting hole 2 is formed in the middle of the tray body 1, an anchor rod 3 is movably inserted into the mounting hole 2, and a multi-connection mechanism 4 matched with the anchor rod 3 is arranged in the tray body 1;

upside integrated into one piece on 3 surfaces of stock has with multiple coupling mechanism 4 matched with solid fixed ring 5, and the bottom threaded connection of stock 3 has the nut 6 of controlling multiple coupling mechanism 4 with solid fixed ring 5 cooperation, offer the drilling in the support point, place the anchoring agent in the drilling, insert the 3 body of rod of stock into the drilling of having placed the anchoring agent and rotatory stirring, treat that the anchoring agent solidifies the back with the 3 body of rod of stock and cliff, align and embolia tray body 1 with 3 outer ends of stock, make stock 3 alternate in tray body 1, realize the installation of tray body 1 on stock 3 along the outer end screw in nut 6 of stock 3 again, can select whether to have solid fixed ring 5's stock 3 according to the soft or hard on the ground layer of support point, it mainly used for cooperation nut 6 extrudees multiple control mechanism.

In the present embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the multiple connection mechanism 4 includes an adjusting component 41, an anchor rod reinforcing component 42 and a locking component 43, the adjusting component 41 is disposed in the middle of the tray body 1, and the anchor rods 3 are fixedly connected in the adjusting component 41;

the anchor rod reinforcing assembly 42 and the anti-loosening assembly 43 are both arranged in the adjusting assembly 41.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the adjusting assembly 41 includes an anchor pipe 411, the anchor pipe 411 is movably connected in the installation hole 2, a shaft head 412 is fixedly connected to the lower side of the surface of the anchor pipe 411, and the anchor pipe 411 is rotatably connected in the installation hole 2 through the shaft head 412;

the anchor rod 3 is movably arranged in the anchor pipe 411;

an angle adjusting groove 413 communicated with the mounting hole 2 is formed in the surface of the tray body 1, and the anchor pipe 411 deflects in a fan shape in the angle adjusting groove 413;

end rings 414 are arranged at two ends of the anchor pipe 411, the two end rings 414 are respectively matched with the fixed ring 5 and the nut 6, an inserting rod 415 is fixedly connected to one side of the surface of the end ring 414 opposite to the anchor pipe 411, a through hole 416 corresponding to the inserting rod 415 is formed in a port of the anchor pipe 411, the two inserting rods 415 are movably inserted into corresponding ends of the through hole 416, deflection frames 417 are rotatably connected to the outer sides of opposite ends of the two inserting rods 415, and the two deflection frames 417 are rotatably connected with each other;

the anchor rod reinforcing assembly 42 is arranged between the two insert rods 415, and the anti-loosening assembly 43 is arranged on the insert rods 415;

the surface of the anchor pipe 411 is provided with a through hole 418 which is communicated with the through hole 416 and is matched with the deflection frame 417, the side walls of the angle adjusting groove 413 and the mounting hole 2 are provided with a clamping groove 419 which is matched with the deflection frame 417, the rock stratum which is relatively close to the end ring 414 at two ends of the anchor pipe 411 is relatively pushed by the nut 6 or the fixed ring 5 and the nut 6 to relatively displace, and the inserting rod 415 with two ends moving along the through hole 416 along with the end ring 414 relatively presses the deflection frame 417, so that the deflection frame 417 outwards bends along the through hole 418 and is embedded into the clamping groove 419, and the angle adjusted anchor pipe 411 is locked.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, the anchor rod reinforcing assembly 42 includes two inner fastening frames 421, the number of the inner fastening frames 421 is two, the two inner fastening frames 421 are respectively rotatably connected to the inner sides of the opposite ends of the two insertion rods 415, and the two inner fastening frames 421 are rotatably connected to each other, the deflecting frame 417 and the inner fastening frame 421 are rod-shaped members with the same specification, the two deflecting frames 417 and the two inner fastening frames 421 form a rhombus parallelogram structure, the upper and lower ends of the parallelogram structure are connected to the insertion rods 415 on the same side, when the two insertion rods 415 are relatively displaced, the parallelogram structure can be pushed to deform, that is, the deflecting frame 417 is expanded to the outside for being inserted into the clamping groove 419, and the inner fastening frame 421 is expanded to the inside for being abutted against the anchor rod 3.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the anti-loose assembly 43 includes an inner groove 431, the inner groove 431 is opened on the inner wall of the through hole 416, the surface of the plunger 415 and the inner side thereof are fixedly connected with an anti-loose device 432, and the outer end of the plunger 415 is fixedly connected with a rubber ring 433 which is matched with the through hole 416 and the inner groove 431.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, the number of the plug-in rods 415 is four, and two of the four plug-in rods 415 are symmetrically arranged along the two end rings 414, and the corresponding deflection frame 417 and the corresponding inner buckling frame 421 can be synchronously bent inward and outward from both sides, so that the inward and outward locking is more stable.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, the top edge of the inner wall of the angle adjusting groove 413 is fixedly connected with a hair curtain matched with the anchor pipe 411, so that the inside of the angle adjusting groove 413 can be blocked to a certain extent while the deflection of the anchor pipe 411 along the angle adjusting groove 413 is not influenced, and thus, external impurities are prevented from entering the inside to influence the operation of each component.

A use method of a multi-angle matched roadway support tray comprises the following steps:

s1, selecting whether the anchor rod 3 with the fixing ring 5 is arranged according to the hardness of a rock layer of a supporting point, forming a drill hole at the supporting point, placing an anchoring agent in the drill hole, inserting the rod body of the anchor rod 3 into the drill hole with the placed anchoring agent and rotationally stirring, aligning and sleeving the tray body 1 with the outer end of the anchor rod 3 after the anchoring agent is solidified with the rod body and the rock wall of the anchor rod 3, enabling the anchor rod 3 to be inserted into the anchor pipe 411, screwing the nut 6 into the outer end of the anchor rod 3 to realize the installation of the tray body 1 on the anchor rod 3, and stretching the rod body of the anchor rod 3 by means of the blocking effect of the anchor rod 3, the tray and the rock wall, so as to realize the application of the pre-tightening force of a supporting system of the anchor rod 3 and achieve the supporting purpose;

s2, when the anchor rod 3 is tightened in an inclined state along the tray body 1 according to different rock and soil layers and force application effects, an operator may align and sleeve the tray body 1 along the outer end of the anchor rod 3, push the tray body 1 along the anchor rod 3, the anchor pipe 411 and the spindle nose 412 to deflect, correspondingly adjust the force bearing surface of the tray body 1 and the tightening angle of the anchor rod 3, screw in the nut 6 to make the tray body 1 fit the rock stratum after adjustment is completed, and then reversely tighten the anchor rod 3, in this process, the rock stratum close to the rock stratum and the nut 6 or the fixing ring 5 and the nut 6 push the end rings 414 at the two ends of the anchor pipe 411 to relatively displace, the inserted bar 415 with the two ends moving synchronously along the through hole 416 along the end ring 414 relatively presses the deflection frame 417, so that the deflection frame 417 is outwardly bent along the through hole 418 and is inserted into the clamping groove 419, thereby locking the angled anchor pipe 411;

s3, when rock strata close to each other and the nut 6 or the fixing ring 5 and the nut 6 push the end rings 414 at the two ends of the anchor pipe 411 to displace relatively, the two ends synchronously and relatively press the inner buckling frame 421 along the inserted rod 415 of the through hole 416 along with the end rings 414, so that the inner buckling frame 421 bends out from the through hole 416 to the inner side and is buckled on the anchor rod 3 in the anchor pipe 411, and therefore, the tray body 1 is secondarily locked between the anchor rods 3 in an anchoring and supporting state, the deflection of the tray body 1 along the anchor rod 3 can be effectively avoided, and the stability in the installation and use process is improved;

s4, in the process of daily transferring and carrying, a user can firstly sleeve the tray body 1 and the anchor pipe 411 along the end part of the anchor rod 3, then manually press the end ring 414 to drive the inner buckling frame 421 to simply buckle along the surface of the anchor rod 3, the rubber ring 433 on the surface of the inserted rod 415 is extruded and deformed to pass through the through hole 416 to enter the inner groove 431 to limit the inserted rod 415, so that the current buckling state is kept, the situation that each part of the device is scattered to influence carrying can be avoided, and the daily use is further facilitated.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a tray is strutted in roadway of multi-angle matching, includes tray body (1), its characterized in that: the tray body (1) is of a trapezoidal structure, the middle of the tray body (1) is provided with a mounting hole (2), an anchor rod (3) is movably inserted into the mounting hole (2), and a multiple connecting mechanism (4) matched with the anchor rod (3) is arranged in the tray body (1);

the upside integrated into one piece on stock (3) surface has with fixed ring (5) of multiple coupling mechanism (4) matched with, and the bottom threaded connection of stock (3) has nut (6) with fixed ring (5) cooperation control multiple coupling mechanism (4).

2. The multi-angle matched roadway support tray of claim 1, wherein: the multiple connecting mechanism (4) comprises an adjusting component (41), an anchor rod reinforcing component (42) and a locking component (43), the adjusting component (41) is arranged in the middle of the tray body (1), and the anchor rod (3) is fixedly connected in the adjusting component (41);

the anchor rod reinforcing assembly (42) and the anti-loosening assembly (43) are arranged in the adjusting assembly (41).

3. The multi-angle matched roadway support tray of claim 2, wherein: the adjusting assembly (41) comprises an anchor pipe (411), the anchor pipe (411) is movably connected in the mounting hole (2), a shaft head (412) is fixedly connected to the lower side of the surface of the anchor pipe (411), and the anchor pipe (411) is rotatably connected in the mounting hole (2) through the shaft head (412);

the anchor rod (3) is movably arranged in the anchor pipe (411);

an angle adjusting groove (413) communicated with the mounting hole (2) is formed in the surface of the tray body (1), and the anchor pipe (411) deflects in a fan shape in the angle adjusting groove (413);

end rings (414) are arranged at two ends of the anchor pipe (411), the two end rings (414) are respectively matched with the fixed ring (5) and the nut (6), an inserting rod (415) is fixedly connected to one side, opposite to the anchor pipe (411), of the surface of the end ring (414), a through hole (416) corresponding to the inserting rod (415) is formed in a port of the anchor pipe (411), the two inserting rods (415) are movably inserted into corresponding ends of the through hole (416), deflection frames (417) are rotatably connected to the outer sides of the opposite ends of the two inserting rods (415), and the two deflection frames (417) are rotatably connected with each other;

the anchor rod reinforcing assembly (42) is arranged between two insert rods (415), and the anti-loosening assembly (43) is arranged on the insert rods (415);

the surface of the anchor pipe (411) is provided with a through hole (418) which is communicated with the through hole (416) and is matched with the deflection frame (417), and the side walls of the angle adjusting groove (413) and the mounting hole (2) are provided with a clamping groove (419) which is matched with the deflection frame (417).

4. The multi-angle matched roadway support tray of claim 3, wherein: the stock reinforcing component (42) is including interior knot frame (421), the quantity of interior knot frame (421) is two, two interior knot frame (421) rotate respectively and connect in the inboard of two inserted bar (415) relative one end, and detain in two mutual rotation between the frame (421) and connect.

5. The multi-angle matched roadway support tray of claim 3, wherein: the anti-loosening assembly (43) comprises an inner groove (431), the inner groove (431) is formed in the inner wall of the through hole (416), the surface of the inserted bar (415) is fixedly connected with an anti-loosening ring (432) in the inner side, and the outer end of the inserted bar (415) is fixedly connected with a rubber ring (433) matched with the through hole (416) and the inner groove (431).

6. The multi-angle matched roadway support tray of claim 3, wherein: the number of the plug-in rods (415) is four, and the four plug-in rods (415) are symmetrically arranged along the two end rings (414) in a group of two.

7. The multi-angle matched roadway support tray of claim 3, wherein: the top edge of the inner wall of the angle adjusting groove (413) is fixedly connected with a hair curtain matched with the anchor pipe (411).

8. The use method of the multi-angle matched roadway support tray according to claim 1, comprising the following steps:

s1, selecting whether an anchor rod (3) with a fixing ring (5) is arranged according to the hardness of a rock-soil layer of a supporting point, drilling holes are formed in the supporting point, an anchoring agent is placed in the drilling holes, the rod body of the anchor rod (3) is inserted into the drilling holes in which the anchoring agent is placed and is rotationally stirred, after the anchoring agent is solidified with the rod body of the anchor rod (3) and a rock wall, aligning and sleeving the tray body (1) with the outer end of the anchor rod (3), enabling the anchor rod (3) to be inserted into an anchor pipe (411), screwing a nut (6) into the tray body along the outer end of the anchor rod (3) to achieve installation of the tray body (1) on the anchor rod (3), stretching the rod body of the anchor rod (3) under the blocking effect of the anchor rod (3), the tray and the rock wall, achieving application of the pre-tightening force of a supporting system of the anchor rod (3), and achieving the supporting purpose;

s2, when the anchor rods (3) are required to be tightened in an inclined state along the tray body (1) according to different rock-soil layers and force application effects, an operator can push the tray body (1) to deflect along the anchor rods (3), the anchor pipes (411) and the shaft heads (412) after the tray body (1) is aligned and sleeved along the outer ends of the anchor rods (3), so that the stress surface of the tray body (1) and the tightening angle of the anchor rods (3) are correspondingly adjusted, after the adjustment is finished, the nuts (6) are screwed in to enable the tray body (1) to be attached to rock strata, then the anchor rods (3) are reversely tightened, rock strata which are relatively close to each other in the process and the nuts (6) or the fixing rings (5) and the nuts (6) relatively push the end rings (414) at two ends of the anchor pipes (411) to relatively displace, the end rings (414) at two ends of the end rings synchronously move along the through holes (416) relatively extrude the deflection frame (417) relatively, so that the deflection frame (417) outwards bends along the through holes (418) and is embedded into the clamping grooves (419), thus locking the angle-adjusted anchor pipe (411);

s3, when rock strata close to each other and the nut (6) or the fixing ring (5) and the nut (6) push end rings (414) at two ends of the anchor pipe (411) to relatively displace, the two ends synchronously and relatively extrude the inner buckling frame (421) along the inserted rod (415) which synchronously moves along the through hole (416) along with the end rings (414), so that the inner buckling frame (421) is bent inwards in the through hole (416) and is buckled on the anchor rod (3) in the anchor pipe (411), and the tray body (1) is secondarily locked between the anchor rods (3) in the anchoring and supporting state, thereby effectively avoiding the deflection of the tray body (1) along the anchor rod (3) and improving the stability in the installation and use process;

s4, in the process of daily transferring and carrying, a user can firstly sleeve the tray body (1) and the anchor pipe (411) along the end part of the anchor rod (3), then manually press the end ring (414) to drive the inner buckle frame (421) to simply buckle along the surface of the anchor rod (3), and the rubber ring (433) on the surface of the inserted rod (415) is extruded and deformed to pass through the through hole (416) to enter the inner groove (431) to limit the inserted rod (415), so that the current buckling state is kept, the scattered influence on carrying of all parts of the device can be avoided, and the daily use is further facilitated.

Images