A light anchor cable hole-forming grouting device and a construction method thereof

Abstract

The application relates to the technical field of building construction, in particular to a light anchor cable hole-forming grouting device and a construction method thereof, which comprises a fixing plate, the upper end of the fixing plate is provided with a round hole, the round hole is detachably installed with a fixing cylinder through a connecting component, the lower end of the fixing cylinder is fixedly installed with a sharp cone, the fixing cylinder is punched into the ground to fix the fixing plate on the ground, the threaded cylinder is located at the upper end of the position needing to be drilled, the threaded sleeve I and the threaded sleeve II are driven to move downwards through rotating the threaded rod, the inclined plate and the rotating plate are driven to the outer end of the fixing cylinder, the fixing cylinder is further fixed, the drilling cylinder is installed at the upper end of the threaded cylinder, the drill rod can be inserted into the drill rod hole, the remote controller is operated to drill and construct, the drill rod is pulled out after the hole is formed, the anchor cable is inserted into the drill hole after being processed, the sealing cover and the grouting pipe are installed at the upper end of the drilling cylinder, the external grouting pipe and the grouting pipe are connected to conduct grouting, the operation is simple, and the forming quality is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to a light anchor cable hole forming and grouting device and a construction method thereof. BACKGROUND

[0002] The anchor cable is a common deep foundation pit construction technology, which has the characteristics of firm structure, strong durability and convenient construction. The traditional construction technology adopts an anchor rod drilling machine to drill a hole, installs an anchor cable after the drilling is completed, and uses a grouting machine to grout after the anchor cable is installed.

[0003] The traditional anchor rod drilling machine operation requires an operator to have high skill level and years of practical experience, otherwise it will cause great difficulty and difficulty to the construction. Since the drilling process of the anchor rod drilling machine is very slow, a large amount of time and human resources need to be invested in the actual operation process, and the processing efficiency is low. The anchor rod drilling machine as a special mechanical equipment needs to be maintained by professional technicians, and the maintenance cost is high. The price of the anchor rod drilling machine itself is high, and the operation difficulty and high maintenance cost lead to relatively high overall cost. The anchor cable grouting uses a grouting machine, and the operation process of the grouting machine is complicated, which is difficult to guarantee the forming quality. SUMMARY

[0004] The purpose of the present application is to provide a light anchor cable hole forming and grouting device and a construction method thereof, so as to solve the problem that the traditional anchor cable construction device and process cannot meet the needs of construction progress, and the cost is high, which greatly affects the construction deployment of the whole construction site.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a light anchor cable hole forming and grouting device, comprising: a fixed plate, a circular hole is formed in the upper end of the fixed plate, a fixed cylinder is detachably installed in the circular hole through a connecting part, a sharp cone is fixedly installed at the lower end of the fixed cylinder, and a slant hole and a rectangular port are symmetrically formed at the lower end of the fixed cylinder on the left and right sides of the lower end of the fixed cylinder respectively;

[0006] A threaded rod is rotatably connected in the fixed cylinder through a bearing, the upper end of the threaded rod penetrates out of the outer end of the fixed cylinder, and a threaded sleeve one and a threaded sleeve two are threadedly sleeved on the outer wall of the lower end of the threaded rod from top to bottom respectively, arc-shaped plates are rotatably connected at the left and right ends of the threaded sleeve one, a plurality of inclined plates are uniformly fixedly installed on the outer wall of the arc-shaped plate, the outer end of the inclined plate is slidably inserted into the slant hole, and rotating plates are rotatably connected on the outer wall of the left and right ends of the threaded sleeve two, the rotating plate is located in the rectangular port, and the lower end of the rotating plate is rotatably connected to the outer wall of the fixed cylinder through a hinge;

[0007] The upper end of the fixed plate is fixedly installed with a threaded cylinder on the left and right sides, a drilling cylinder is detachably installed at the upper end of the threaded cylinder, and a grouting pipe is connected to the upper end of the drilling cylinder through a sealing cover.

[0008] Preferably, the connecting component comprises limiting holes, a circular ring and a fastening nut, the limiting holes are provided with a plurality of limiting holes, the limiting holes are uniformly arranged on the inner wall of the circular hole, the circular ring is sleeved on the outer side of the upper end of the fixing cylinder and is fixedly connected with the outer wall of the fixing cylinder, a plurality of limiting blocks are uniformly fixedly installed on the upper end of the fixing cylinder, and an outer thread one is arranged on the upper end of the fixing cylinder.

[0009] Preferably, the upper end of the fixing cylinder penetrates through the circular hole, the limiting blocks are inserted into the limiting holes, and the upper end of the fixing cylinder is threadedly connected with the inner wall of the fastening nut through the outer thread one.

[0010] Preferably, the inner end of the arc-shaped plate is fixedly installed with a sliding rail, a sliding block is slidably connected in the sliding rail, rotating rods one are rotatably connected to the lower sides of the front end and the rear end of the sliding block, and the other ends of the rotating rods one are threadedly connected with the outer wall of the threaded sleeve one.

[0011] Preferably, the upper end of the rotating plate is rotatably connected with a rotating rod two through an ear plate, and the upper end of the rotating rod two is rotatably connected with the outer wall of the threaded sleeve two.

[0012] Preferably, the lower end of the threaded cylinder penetrates through the upper end and the lower end of the fixed plate, a moving ring is sleeved on the outer end of the threaded cylinder, a plurality of springs are uniformly fixedly installed on the lower end of the moving ring, the lower ends of the springs are fixedly installed on the upper end of the fixed plate, and a plurality of insertion columns are uniformly fixedly installed on the upper end of the moving ring.

[0013] Preferably, the upper end of the threaded cylinder is provided with a drilling cylinder, outer threads two are arranged on the outer walls of the upper end and the lower end of the drilling cylinder, a blocking ring is fixedly installed on the outer wall of the middle end of the drilling cylinder, a plurality of insertion holes corresponding to the insertion columns are uniformly arranged on the outer wall of the blocking ring, the lower end of the drilling cylinder is threadedly connected with the threaded cylinder, the upper end of the drilling cylinder is threadedly connected with the sealing cover, and a grouting pipe is fixedly installed on the upper end of the sealing cover and communicates with the inner end of the sealing cover.

[0014] A construction method of a portable anchor cable hole forming and grouting device, specifically comprising the following steps:

[0015] First, the fixing cylinder is fixedly installed on the four ends of the fixed plate through the connecting component, a mark is made at the position where drilling is needed, the fixed plate is fixed to the ground by driving the fixing cylinder into the ground, and the threaded cylinder is located at the upper end of the position where drilling is needed;

[0016] Then, the threaded sleeve one and the threaded sleeve two are driven to move downward by rotating the threaded rod, so as to drive the inclined plate and the rotating plate to the outer end of the fixing cylinder, and the fixing cylinder is further fixed;

[0017] Next, the drilling cylinder is installed on the upper end of the threaded cylinder, the drill rod is inserted into the drill rod hole, the remote controller is operated to drill and construct, and the drill rod is pulled out after the hole is formed;

[0018] Finally, the anchor cable is inserted into the drill hole after processing, and the sealing cover and the grouting pipe are installed at the upper end of the drill hole cylinder 25, the external grouting pipe and the grouting pipe are connected for grouting.

[0019] Preferably, when the threaded sleeve one and the threaded sleeve two move downward, the rotating rod one and the rotating rod two are driven to move downward, the sliding block is driven to slide on the sliding rail, and the arc-shaped plate and the inclined plate are pushed outward, and the upper end of the rotating plate is pushed outward when the rotating rod two moves downward, so that the outer end of the inclined plate and the rotating plate is driven to the outside of the fixed cylinder.

[0020] Preferably, when the drill hole cylinder and the threaded cylinder are threadedly connected, the moving ring is first pushed downward by the compression spring, and after the drill hole cylinder and the threaded cylinder are connected, the moving ring is released, and under the action of the spring, the plug-in column is slid into the plug-in hole to fix the drill hole cylinder.

[0021] Compared with the prior art, the beneficial effects of the present application are:

[0022] The present application fixes the fixed plate on the ground by driving the fixed cylinder into the ground, fixes the threaded cylinder at the upper end of the position where the hole needs to be drilled, drives the threaded sleeve one and the threaded sleeve two to move downward by rotating the threaded rod, drives the inclined plate and the rotating plate to the outer end of the fixed cylinder, and further fixes the fixed cylinder, installs the drill hole cylinder at the upper end of the threaded cylinder, inserts the drill rod into the drill rod hole, and operates the remote controller to drill into the construction, pulls out the drill rod after the hole is formed, inserts the anchor cable into the drill hole after processing, and installs the sealing cover and the grouting pipe at the upper end of the drill hole cylinder, connects the external grouting pipe and the grouting pipe for grouting, which is simple in operation and improves the quality of the formed product. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0024] Figure 2 It is an expanded schematic diagram of the drill hole cylinder and the fixed cylinder and the fixed plate of the present application;

[0025] Figure 3 It is a schematic diagram of the fixed cylinder structure of the present application;

[0026] Figure 4 It is an expanded schematic diagram of the fixed cylinder and the rotating plate and the inclined plate of the present application;

[0027] Figure 5 It is a schematic diagram of the connection of the rotating plate and the inclined plate with the threaded rod of the present application;

[0028] Figure 6 It is an expanded schematic diagram of the moving ring, the drill hole cylinder and the sealing cover of the present application.

[0029] In the figure: 1, fixed plate; 2, threaded cylinder; 3, round hole; 4, limiting hole; 5, power sensor; 6, pressure sensor; 7, fixed cylinder; 8, sharp cone; 9, circular ring; 10, limiting block; 11, outer thread I; 12, inclined hole; 13, rectangular port; 14, rotating plate; 15, fastening nut; 16, threaded rod; 17, threaded sleeve I; 18, threaded sleeve II; 19, arc plate; 20, inclined plate; 21, sliding rail; 22, sliding block; 23, rotating rod I; 24, rotating rod II; 25, drilling cylinder; 26, outer thread II; 27, blocking ring; 28, insertion hole; 29, moving ring; 30, insertion column; 31, spring; 32, sealing cover; 33, grouting pipe. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme of the present application, and the advantages are more clear and obvious, the following will be further described in detail with the embodiments of the present application combined with the drawings. It should be understood that the specific embodiments described here are part of the embodiments of the present application, not all embodiments, only to explain the embodiments of the present application, and not for the purpose of limiting the embodiments of the present application, all other embodiments obtained by the person skilled in the art without doing creative work, belong to the scope of protection of the present application.

[0031] Please refer to Figures 1 to 6 The present application provides a technical scheme: a portable anchor cable hole grouting device, comprising: a fixed plate 1, the upper end of the fixed plate 1 is provided with a round hole 3, the round hole 3 is detachably installed with a fixed cylinder 7 through a connecting part, the lower end of the fixed cylinder 7 is fixedly installed with a sharp cone 8, the sharp cone 8 is arranged to facilitate the fixed cylinder 7 into the ground, the connecting part comprises a limiting hole 4, a circular ring 9 and a fastening nut 15, the limiting hole 4 is provided with a plurality of limiting holes 4, the limiting holes 4 are evenly arranged on the inner wall of the round hole 3, the circular ring 9 is sleeved on the outer side of the upper end of the fixed cylinder 7 and is fixedly connected with the outer wall of the fixed cylinder 7, the upper end of the fixed cylinder 7 is fixedly installed with a plurality of limiting blocks 10, the upper end of the fixed cylinder 7 is provided with an outer thread I 11, and the diameter of the circular ring 9 is greater than the diameter of the round hole 3.

[0032] The upper end of the fixed cylinder 7 is passed through the round hole 3 from below the fixed plate 1, the circular ring 9 is in contact with the lower end of the sidewall of the fixed plate 1, and the limiting block 10 is inserted into the limiting hole 4, the upper end of the fixed cylinder 7 is threadedly connected with the inner wall of the fastening nut 15 through the outer thread I 11, the fixed cylinder 7 is fixed by screwing the fastening nut 15, the fixed plate 1 is fixed on the ground by driving the fixed cylinder 7 into the ground, and the fixed cylinder 7 is convenient to disassemble and assemble.

[0033] The lower end of the fixed cylinder 7 is symmetrically provided with an upwardly inclined inclined hole 12 and a rectangular port 13 on the left and right sides, respectively, and the rectangular port 13 is located at the lower end of the inclined hole 12. A threaded rod 16 is rotatably connected in the fixed cylinder 7, the upper end of the threaded rod 16 passes out of the outer end of the fixed cylinder 7, the lower end of the threaded rod 16 is fixedly connected with the inner wall of the bearing, and the outer wall of the bearing is fixed on the inner wall of the bottom end of the fixed cylinder 7, so that the threaded rod 16 can be rotated in place. The outer wall of the lower end of the threaded rod 16 is threadedly sleeved with a threaded sleeve one 17 and a threaded sleeve two 18 from top to bottom, respectively. The left and right ends of the threaded sleeve one 17 are rotatably connected with arc-shaped plates 19, the outer wall of the arc-shaped plate 19 is uniformly fixedly installed with a plurality of inclined plates 20, the outer end of the inclined plate 20 is slidably inserted into the inclined hole 12, the inner end of the arc-shaped plate 19 is fixedly installed with a sliding rail 21, the sliding rail 21 is slidably connected with a sliding block 22, the front and rear ends of the sliding block 22 are rotatably connected with rotating rods one 23, the other end of the rotating rod one 23 is threadedly connected with the outer wall of the threaded sleeve one 17. By rotating the threaded rod 16, the threaded rod 16 drives the threaded sleeve one 17 to move downward, and when the threaded sleeve one 17 moves downward, it drives one end of the rotating rod one 23 to move downward synchronously. The rotating rod one 23 drives the sliding block 22 to slide on the sliding rail 21, and at the same time pushes the arc-shaped plate 19 and the inclined plate 20 outward, thereby driving the outer end of the inclined plate 20 and the rotating plate 14 to the outside of the fixed cylinder 7, increasing the contact area of the fixed cylinder 7 and the soil, and making the fixed cylinder 7 more firmly fixed.

[0034] The outer wall of the left and right ends of the threaded sleeve two 18 is rotatably connected with a rotating plate 14, the rotating plate 14 is located in the rectangular port 13, the lower end of the rotating plate 14 is rotatably connected with the outer wall of the fixed cylinder 7 through a hinge, the upper end of the rotating plate 14 is rotatably connected with a rotating rod two 24 through an ear plate, the upper end of the rotating rod two 24 is rotatably connected with the outer wall of the threaded sleeve two 18. By rotating the threaded rod 16 to drive the threaded sleeve two 18 to move downward, when the threaded sleeve two 18 moves downward, it drives one end of the rotating rod two 24 to move downward. When the rotating rod two 24 moves downward, the upper end of the rotating plate 14 is pushed outward, the upper end of the rotating plate 14 is inserted into the soil, the contact area of the fixed cylinder 7 and the soil is increased, and the fixed cylinder 7 is more firmly fixed.

[0035] The upper end of the fixed plate 1 is fixedly installed with threaded barrels 2 on both sides, the lower end of the threaded barrel 2 penetrates through the upper and lower ends of the fixed plate 1, the upper end of the threaded barrel 2 is detachably installed with a drilling barrel 25, the outer end of the threaded barrel 2 is sleeved with a moving ring 29, the lower end of the moving ring 29 is uniformly fixedly installed with a plurality of springs 31, the lower end of the spring 31 is fixedly installed on the upper end of the fixed plate 1, the upper end of the moving ring 29 is uniformly fixedly installed with a plurality of plug-in columns 30, the upper end of the threaded barrel 2 is provided with the drilling barrel 25, the outer walls of the upper and lower ends of the drilling barrel 25 are both provided with external threads 26, the outer wall of the middle end of the drilling barrel 25 is fixedly installed with a blocking ring 27, the outer wall of the blocking ring 27 is uniformly provided with a plurality of plug-in holes 28 corresponding to the plug-in columns 30, the lower end of the drilling barrel 25 is threadedly connected with the threaded barrel 2, when the drilling barrel 25 and the threaded barrel 2 are threadedly connected, the moving ring 29 is first pushed down through the compression spring 31, after the drilling barrel 25 and the threaded barrel 2 are completely connected, the moving ring 29 is loosened, under the reaction force of the spring 31, the plug-in column 30 is slidably inserted into the plug-in hole 28, the drilling barrel 25 is fixed, and then the drill rod can be inserted into the drill rod hole, the remote controller is operated to drill into the construction, and the drill rod is pulled out after the hole is formed.

[0036] The upper end of the drilling barrel 25 is connected with a grouting pipe 33 through a sealing cover 32, the upper end of the drilling barrel 25 is threadedly connected with the sealing cover 32, the grouting pipe 33 is fixedly installed on the upper end of the sealing cover 32 and communicates with the inner end of the sealing cover 32, and the grouting pipe 33 is connected with the external grouting pipe to perform grouting after the drilling is completed.

[0037] A construction method of a light anchor cable hole forming and grouting device, specifically comprising the following steps:

[0038] First, the fixed barrel 7 is fixedly installed on the four ends of the fixed plate 1 through the connecting component, marks are made at the positions where drilling is needed, the fixed plate 1 is fixed on the ground by driving the fixed barrel 7 into the ground, and the threaded barrel 2 is located at the upper end of the position where drilling is needed;

[0039] Then, the threaded sleeve one 17 and the threaded sleeve two 18 are driven to move downward by rotating the threaded rod 16, so as to drive the inclined plate 20 and the rotating plate 14 to the outer end of the fixed barrel 7, the threaded sleeve one 17 and the threaded sleeve two 18 will drive the downward movement of the rotating rod one 23 and the rotating rod two 24 when moving downward, the rotating rod one 23 drives the sliding block 22 to slide on the sliding rail 21, and at the same time, the arc-shaped plate 19 and the inclined plate 20 are pushed outward, the upper end of the rotating plate 14 is pushed outward when the rotating rod two 24 moves downward, so as to drive the outer end of the inclined plate 20 and the rotating plate 14 to the outer side of the fixed barrel 7, and the fixed barrel 7 is further fixed;

[0040] Then, the drilling cylinder 25 is installed on the upper end of the threaded cylinder 2, when the drilling cylinder 25 and the threaded cylinder 2 are screwed, the moving ring 29 is first pushed down by the compression spring 31, after the drilling cylinder 25 and the threaded cylinder 2 are connected, the moving ring 29 is released, under the reaction force of the spring 31, the plug-in column 30 is slid into the plug-in hole 28, the drilling cylinder 25 is fixed, and then the drill rod is inserted into the drill rod hole, the remote controller is operated to drill into the construction, and after the hole is formed, the drill rod is pulled out;

[0041] Finally, after the anchor cable is processed, it is inserted into the drill hole, and then the sealing cover 32 and the grouting pipe 33 are installed on the upper end of the drilling cylinder 25, the external grouting pipe and the grouting pipe 33 are connected to perform grouting.

[0042] As shown in Figure 1 and Figure 2 In some embodiments, the upper end of the fixed plate 1 is fixedly installed with a power sensor 5 on one side and a pressure sensor 6 on the other side, more specifically, the first operating device fixes the fixed plate 1 on the soil layer, confirms that the fixation is tight, inserts the drill rod into the drill rod hole, operates the remote controller to drill into the construction, pulls out the drill rod after the hole is formed, and the device is provided with a power sensor 5, which can adjust the drilling power during the hole forming process, and can increase the force when encountering hard rock layers, and generally uses smaller power in the soil layer;

[0043] After the anchor cable is processed, it is inserted into the drill hole, and then the grouting pipe 33 is inserted into the grouting hole to perform grouting, the grouting pressure can be controlled by the pressure regulator to ensure that the pressure meets the design requirements.

[0044] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A lightweight anchor cable drilling and grouting device, comprising: The fixing plate (1) is characterized in that: a round hole (3) is provided at the upper end of the fixing plate (1), and a fixing cylinder (7) is detachably installed in the round hole (3) through a connecting component. A pointed cone (8) is fixedly installed at the lower end of the fixing cylinder (7). An oblique hole (12) and a rectangular opening (13) are symmetrically provided on the left and right sides of the lower end of the fixing cylinder (7), and the rectangular opening (13) is located at the lower end of the oblique hole (12). A threaded rod (16) is rotatably connected to the fixed cylinder (7) via a bearing. The upper end of the threaded rod (16) passes through the outer end of the fixed cylinder (7). The lower end of the threaded rod (16) is threaded with a threaded sleeve one (17) and a threaded sleeve two (18) respectively from top to bottom. Both ends of the threaded sleeve one (17) are rotatably connected with an arc plate (19). Several inclined plates (20) are evenly fixed on the outer wall of the arc plate (19). The outer end of the inclined plate (20) slides into the inclined hole (12). Both ends of the threaded sleeve two (18) are rotatably connected with a rotating plate (14). The rotating plate (14) is located in the rectangular opening (13). The lower end of the rotating plate (14) is rotatably connected to the outer wall of the fixed cylinder (7) via a hinge. Threaded cylinders (2) are fixedly installed on both the left and right sides of the upper end of the fixed plate (1). A drilling cylinder (25) is detachably installed on the upper end of the threaded cylinder (2). A grouting pipe (33) is connected to the upper end of the drilling cylinder (25) through a sealing cap (32).

2. The lightweight anchor cable drilling and grouting device according to claim 1, characterized in that: The connecting component includes a limiting hole (4), a ring (9), and a fastening nut (15). The limiting hole (4) is provided in several places and is evenly opened on the inner wall of the round hole (3). The ring (9) is sleeved on the outer side of the upper end of the fixed cylinder (7) and is fixedly connected to the outer wall of the fixed cylinder (7). Several limiting blocks (10) are evenly fixedly installed on the upper end of the fixed cylinder (7). The upper end of the fixed cylinder (7) is provided with an external thread (11).

3. The lightweight anchor cable drilling and grouting device according to claim 2, characterized in that: The upper end of the fixed cylinder (7) passes through the round hole (3), and the limiting block (10) is inserted into the limiting hole (4). The upper end of the fixed cylinder (7) is connected to the inner wall of the fastening nut (15) by the external thread (11).

4. The lightweight anchor cable drilling and grouting device according to claim 1, characterized in that: The inner end of the arc plate (19) is fixedly installed with a slide rail (21), and a slider (22) is slidably connected inside the slide rail (21). The lower sides of the front and rear ends of the slider (22) are rotatably connected with a rotating rod (23), and the other end of the rotating rod (23) is threadedly connected to the outer wall of the threaded sleeve (17).

5. The lightweight anchor cable drilling and grouting device according to claim 1, characterized in that: The upper inner side of the rotating plate (14) is rotatably connected to the rotating rod two (24) via the ear plate, and the upper end of the rotating rod two (24) is rotatably connected to the outer wall of the threaded sleeve two (18).

6. The lightweight anchor cable drilling and grouting device according to claim 1, characterized in that: The lower end of the threaded cylinder (2) passes through the upper and lower ends of the fixed plate (1). The outer end of the threaded cylinder (2) is fitted with a movable ring (29). Several springs (31) are evenly fixedly installed at the lower end of the movable ring (29). The lower end of the springs (31) is fixedly installed at the upper end of the fixed plate (1). Several plug-in pins (30) are evenly fixedly installed at the upper end of the movable ring (29).

7. A lightweight anchor cable drilling and grouting device according to claim 6, characterized in that: The upper end of the threaded cylinder (2) is provided with a drilled cylinder (25). The outer walls of the upper and lower ends of the drilled cylinder (25) are provided with external threads (26). A retaining ring (27) is fixedly installed on the outer wall of the middle end of the drilled cylinder (25). Several insertion holes (28) corresponding to the insertion pins (30) are evenly opened on the outer wall of the retaining ring (27). The lower end of the drilled cylinder (25) is threadedly connected to the threaded cylinder (2). The upper end of the drilled cylinder (2) is threadedly connected to the sealing cap (32). The grouting pipe (33) is fixedly installed on the upper end of the sealing cap (32) and communicates with the inner end of the sealing cap (32).

8. A construction method for a lightweight anchor cable drilling and grouting device as described in any one of claims 1-7, characterized in that: Specifically, the steps include the following: First, fix the fixing cylinder (7) at the four ends of the fixing plate (1) by connecting the components, mark the position where drilling is required, and fix the fixing plate (1) on the ground by driving the fixing cylinder (7) into the ground, so that the threaded cylinder (2) is located at the upper end of the position where drilling is required. Then, by rotating the threaded rod (16), the threaded sleeve one (17) and the threaded sleeve two (18) are driven to move down, thereby driving the inclined plate (20) and the rotating plate (14) to the outer end of the fixed cylinder (7) and further fixing the fixed cylinder (7); Next, install the drilling cylinder (25) on the upper end of the threaded cylinder (2), then insert the drill rod into the drill rod hole, operate the remote control to carry out drilling construction, and pull out the drill rod after the hole is formed; Finally, after the anchor cable is processed, it is inserted into the borehole. Then, a sealing cap (32) and a grouting pipe (33) are installed on the upper end of the borehole cylinder 25. The external grouting pipe and the grouting pipe (33) are connected for grouting.

9. The construction method of a lightweight anchor cable drilling and grouting device according to claim 8, characterized in that: When the threaded sleeve one (17) and the threaded sleeve two (18) move down, they will drive the rotating rod one (23) and the rotating rod two (24) to move down. The rotating rod one (23) drives the slider (22) to slide on the slide rail (21), and at the same time pushes the arc plate (19) and the inclined plate (20) outward. When the rotating rod two (24) moves down, it pushes the upper end of the rotating plate (14) outward, thereby driving the outer ends of the inclined plate (20) and the rotating plate (14) to the outside of the fixed cylinder (7).

10. The construction method of a lightweight anchor cable drilling and grouting device according to claim 9, characterized in that: When the drilled cylinder (25) and the threaded cylinder (2) are connected by threads, the moving ring (29) is first pushed down by the compression spring (31). After the drilled cylinder (25) and the threaded cylinder (2) are connected, the moving ring (29) is released. Under the reaction force of the spring (31), the plug pin (30) slides into the plug hole (28) to fix the drilled cylinder (25).

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