Anchor rod drilling angle control device for high and steep slope and use method

Abstract

The invention discloses an anchor rod drilling angle control device for a high and steep slope and a using method, the anchor rod drilling angle control device comprises a support, a dial, a telescopic rod, a pendant and a connecting rod, rollers are arranged at four corners of the lower end of the support, a nylon rope is arranged on the support, the other end of the nylon rope is connected with an anchoring rib, and the upper end of an angle control plate is rotatably connected with the support; the lower end of the angle control plate is connected with a telescopic rod, the dial is fixed to the side face of the angle control plate, one end of the connecting rod is fixed to the support, the other end of the connecting rod is provided with a reserved hole, a plug pin is arranged in the reserved hole of the connecting rod, and the circle center of the dial is rotationally connected with a hanging rod with the same diameter as the dial. The device can accurately adjust and control the injection angle of drilling of the anchor rod or the soil nail and prevent the incidence angle of the anchor rod or the soil nail from deviating, so that the design requirement and the slope protection effect are met; in addition, economy and adaptability are considered in the design of the device, so that the device is low in cost and suitable for various complex engineering environments.

Description

Technical Field

[0001] The invention relates to the technical field of drilling holes in slope engineering, and in particular to an anchor rod drilling angle control device for high and steep slopes and a use method thereof. Background Art

[0002] In civil engineering construction, anchor rods, as an important structural support element, are widely used in various tunnels, bridges, mines and other projects; the angle control of anchor rods is directly related to the safety and stability of engineering structures. Therefore, the development of an accurate and reliable anchor rod angle control device has important engineering practice significance; this paper aims to introduce an anchor rod drilling angle control device suitable for high and steep slopes and its use method, so as to provide theoretical support and technical guidance for engineering practice.

[0003] Chinese patent application No. 201721427727.3 discloses a construction device for anchor drilling on steep slopes, which includes a chassis support component, a power travel component, a positioning adjustment component, a drilling component and a control mechanism. The control mechanism is electrically connected to the positioning adjustment component and the drilling component to adjust the positioning adjustment component and the drilling component to respectively complete the positioning and drilling operations of the slope drilling. The invention is simple to operate, convenient for anchor drilling construction, and has the advantages of being able to complete the slope protection drilling work at one time without the need to set up and dismantle scaffolding. However, the solution disclosed in the patent still needs to be supported by a vehicle, and the overall structure is relatively complex, the flexibility is low, and the production cost is high. Especially on a slope with a platform and a complex structure, the vehicle cannot enter the platform at this time, so the scope of use is limited. In addition, the traditional anchor drilling angle is obtained by direct observation only by the naked eye, which has a large error and affects the construction quality of the project. It cannot meet the needs of actual use, so there is an urgent need for improved technology on the market to solve the above problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the existing defects and provide an anchor drilling angle control device for steep slopes and a method of use. The device can accurately adjust and control the incident angle of the anchor or soil nail drilling to prevent the incident angle of the anchor or soil nail from being deviated, thereby achieving the design requirements and slope protection effect; in addition, the design of the device takes into account economy and adaptability, making it not only low-cost, but also suitable for various complex engineering environments, and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an anchor drilling angle control device for high and steep slopes and a method of use, comprising a bracket, a dial, a telescopic rod, a pendant and a connecting rod, rollers are arranged at the four corners of the lower end of the bracket, a nylon rope is arranged on the bracket, the other end of the nylon rope is connected to the anchor rib, the upper end of the angle control plate is rotatably connected to the bracket, the lower end of the angle control plate is connected to the telescopic rod, the dial is fixed to the side of the angle control plate, one end of the connecting rod is fixed to the bracket, the other end of the connecting rod is provided with a reserved hole, a pin is arranged in the reserved hole of the connecting rod, a suspension rod with the same diameter as the dial is rotatably connected at the center of the dial, and a pendant is arranged at the lower end of the suspension rod.

[0006] Furthermore, the graduation value of the dial is 1 degree, the degree value of the symmetry axis of the dial parallel to the direction of the angle control plate is set to 90 degrees, and the degree values ​​of the scale lines of the dial decrease from 90 degrees to 0 degrees along the arc to both sides.

[0007] Furthermore, a protrusion and a fixed connecting rod are provided at the center of the scale plate, a slot for installing a suspension rod is provided on the side of the protrusion, the fixed connecting rod is fixed at the center of the scale plate, and the protrusion is rotatably connected to the fixed connecting rod.

[0008] Furthermore, the material of the suspension rod is copper, and a connecting buckle is provided on the top of the pendant. The pendant is connected to the lower end of the suspension rod through the connecting buckle, and the pendant and the connecting buckle are detachably connected.

[0009] Furthermore, the telescopic rod includes a lifting screw, a rotating nut, a fixed tube, sleeve one and sleeve two. The rotating nut is fixedly connected to the upper end of the fixed tube, and the rotating nut is screwed on the lifting screw. The upper end of the lifting screw is provided with sleeve one, and the sleeve is installed on the connecting circular shaft, and the connecting circular shaft is fixed to the lower end of the angle control plate.

[0010] Furthermore, the lower end of the lifting screw is inserted into the fixed tube, and the lower end of the fixed tube is rotatably connected to the bracket through the second sleeve.

[0011] The upper end of the angle control plate is provided with a sleeve, the upper end of the bracket is provided with a fixed circular shaft, and the supporting sleeve is rotatably connected with the fixed circular shaft.

[0012] A method for using an anchor drilling angle control device for a high and steep slope comprises the following steps: Step 1: Drill holes on the platform or top of the slope, place anchor bars in the holes and pour cement mortar; Step 2: Install the anchor drilling angle control device on the slope and fix the drilling rig on the angle control board; Step 3: Fix the two ends of the nylon rope to the anchor bar and the bracket respectively; Step 4: Use nylon rope and roller to move the bracket to the corresponding hole position, and insert the pin through the reserved hole on the connecting rod into the slope; Step 5: According to the angle at which the anchor rod needs to be driven, adjust the telescopic rod according to the dial so that the angle of the drill rig reaches the angle at which the anchor rod needs to be driven; Step 6: The drilling machine performs drilling operation along the angle control plate; Step 7: After drilling is completed, check the hole. After acceptance that it meets the technical requirements, use nylon ropes and rollers to move the bracket to the next operating hole position.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The bracket of the present invention is assembled by steel pipe, which is easy to assemble, can be put into use quickly, and has low production cost.

[0014] 2. The bracket is climbed by cooperating with the nylon rope connected to the anchor bar and the roller. The drilling rig installed on the device can adjust the angle. The overall flexibility of the device is high and it is less affected by the site.

[0015] 3. The present invention is provided with a hanger and a pendant. By utilizing the gravity of the pendant and the hanger and the pendant being connected along the rotation of the dial through the hanger, it is convenient for workers to directly read the angle of the pendant on the dial, thereby realizing the control of the drilling angle. The operation is simple, making the construction efficiency more efficient, safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the enlarged structure of location A of the present invention; Figure 3 It is a schematic diagram of the suspension rod connection structure of the present invention; Figure 4 It is a schematic diagram of the telescopic rod structure of the present invention; Figure 5 This is a schematic diagram of the use status of the present invention.

[0017] In the figure: 1 bracket, 2 roller, 3 angle control plate, 31 connecting circular shaft, 4 sleeve, 5 fixed circular shaft, 6 telescopic rod, 60 sleeve one, 61 lifting screw, 62 rotating nut, 63 fixed pipe, 64 sleeve two, 7 dial, 71 fixed connecting rod, 8 protrusion, 81 slot, 9 hanging rod, 10 pendant, 11 connecting buckle, 12 connecting rod, 13 pin, 14 drilling rig, 15 anchor bar, 16 slope, 17 anchor rod, 18 nylon rope. DETAILED DESCRIPTION

[0018] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0019] See also Figure 1-5 The present invention provides a technical solution: an anchor drilling angle control device for steep slopes and a method of use, comprising a bracket 1, a dial 7, a telescopic rod 6, a pendant 10 and a connecting rod 12. The bracket 1 is a frame structure assembled with steel materials, which can be assembled by welding or bolts. The bracket 1 uses less steel materials for assembly, and does not require special scaffolding workers for assembly, which can save a lot of material and labor costs. Rollers 2 are provided at the four corners of the lower end of the bracket 1. The rollers 2 make the device flexible and convenient to move. Compared with the use of automobile support, the scope of use is not limited and the use is more extensive. A nylon rope 18 is provided on the bracket 1, and the other end of the nylon rope 18 is connected to an anchor rib 15. The angle The upper end of the control plate 3 is connected to the bracket 1 for rotation, and the lower end of the angle control plate 3 is connected to the telescopic rod 6, which can be extended and retracted to drive the angle control plate 3 to rotate and realize angle adjustment. The dial 7 is fixed on the side of the angle control plate 3, and the dial 7 is a circular angle gauge. One end of the connecting rod 12 is fixed on the bracket 1, and the other end of the connecting rod 12 is provided with a reserved hole. A latch 13 is provided in the reserved hole of the connecting rod 12, and the latch 13 passes through the reserved hole on the fixed rod 12 and is inserted into the slope 16; the center of the dial 7 is rotatably connected to a suspension rod 9 of the same diameter as the dial 7, and the lower end of the suspension rod 9 is provided with a pendant 10, which is always vertically downward under the action of gravity.

[0020] The graduation value of the dial 7 is 1 degree, and the degree value of the symmetry axis of the dial 7 parallel to the angle control plate 3 is set to 90 degrees. The degree values ​​of the scale lines of the dial 7 decrease from 90 degrees to 0 degrees along the arc to both sides.

[0021] A convex block 8 and a fixed link member 71 are provided at the center of the scale plate 7, a slot 81 for mounting the suspension rod 9 is provided on the side of the convex block 8, the fixed link member 71 is fixed at the center of the scale plate 7, and the convex block 8 is rotatably connected to the fixed link member 71. The fixed link member 71, the convex block 8 and the slot 81 facilitate the installation and removal of the suspension rod 9, and make the rotation of the suspension rod 9 more convenient and flexible.

[0022] The material of the suspension rod 9 is copper, and a connecting buckle 11 is provided on the top of the pendant 10. The pendant 10 is connected to the lower end of the suspension rod 9 through the connecting buckle 11, and the pendant 10 and the connecting buckle 11 are detachably connected.

[0023] In the process of using the dial 7 to control the anchor drilling angle, since the dial 7 is fixedly connected to the angle control plate 3, the dial 7 and the angle control plate 3 are coaxially matched. At this time, the hanging rod 9 hangs the pendant 10, and the top of the hanging rod 9 is rotatably connected to the protrusion 8, so that the pendant 10 can naturally point vertically downward, and the angle reading between the hanging rod 9 and the 0 degree scale line on the dial 7 is the inclination angle of the drill rod.

[0024] The telescopic rod 6 includes a lifting screw 61, a rotating nut 62, a fixed tube 63, a sleeve 1 60 and a sleeve 2 64. The rotating nut 62 is fixedly connected to the upper end of the fixed tube 63. The rotating nut 62 is screwed on the lifting screw 61. The upper end of the lifting screw 61 is provided with a sleeve 1 60. The sleeve 1 60 is sleeved on the connecting circular shaft 31. The connecting circular shaft 31 is fixed to the lower end of the angle control plate 3. The lower end of the lifting screw 61 is inserted into the fixed tube 63. The lower end of the fixed tube 63 is rotatably connected to the bracket 1 through the sleeve 2 64.

[0025] A sleeve 4 is disposed at the upper end of the angle control plate 3 , a fixed circular shaft 5 is disposed at the upper end of the bracket 1 , and the sleeve 4 is rotatably connected to the fixed circular shaft 5 .

[0026] A method for using an anchor drilling angle control device for a high and steep slope comprises the following steps: Step 1: Drill holes on the platform or top of the slope 16, place anchor bars 15 in the holes and pour cement mortar; Step 2: Install the anchor drilling angle control device on the slope 16 and fix the drilling rig 14 on the angle control plate 3; Step 3: Fix the two ends of the nylon rope 18 to the anchor bar 15 and the bracket 1 respectively; Step 4: Use the nylon rope 18 and the roller 2 to move the bracket 1 to the corresponding hole position, and insert the latch 13 through the reserved hole on the connecting rod 12 and insert it on the slope 16; Step 5: According to the angle at which the anchor rod 17 needs to be driven, adjust the telescopic rod 6 according to the dial 7 so that the angle of the drilling rig 14 reaches the angle at which the anchor rod 17 needs to be driven; Step 6: The drilling machine 14 performs drilling operation along the angle control plate; Step 7: After the drilling is completed, the hole is inspected. After acceptance meets the technical requirements, the bracket 1 is moved to the next operating hole position using the nylon rope 18 and the roller 2.

[0027] The basic principles, main features and advantages of the present invention are shown and described above. Without departing from the spirit and scope of the present invention, the present invention may also be subject to various changes and improvements, which all fall within the scope of the present invention to be protected.

Claims

1. An anchor drilling angle control device for steep slopes and a method of use, comprising a bracket (1), a dial (7), a telescopic rod (6), a pendant (10), a connecting rod (12) and an angle control plate (3), characterized in that: Rollers (2) are arranged at the four corners of the lower end of the bracket (1), a nylon rope (18) is arranged on the bracket (1), the other end of the nylon rope (18) is connected to an anchor rib (15), the upper end of the angle control plate (3) is rotatably connected to the bracket (1), the lower end of the angle control plate (3) is connected to a telescopic rod (6), the dial (7) is fixed to the side of the angle control plate (3), one end of a connecting rod (12) is fixed to the bracket (1), the other end of the connecting rod (12) is provided with a reserved hole, a latch (13) is arranged in the reserved hole of the connecting rod (12), a suspension rod (9) having the same diameter as the dial (7) is rotatably connected to the center of the dial (7), and a pendant (10) is arranged at the lower end of the suspension rod (9).

2. The anchor drilling angle control device and use method for high and steep slopes according to claim 1, characterized in that: The graduation value of the dial (7) is 1 degree, the degree value of the symmetry axis of the dial (7) parallel to the direction of the angle control plate (3) is set to 90 degrees, and the degree values ​​of the scale lines marked on the dial (7) decrease from 90 degrees to 0 degrees in sequence along the arc to both sides.

3. The anchor drilling angle control device and use method for high and steep slopes according to claim 1, characterized in that: A convex block (8) and a fixed connecting rod (71) are provided at the center of the scale plate (7); a slot (81) for mounting a suspension rod (9) is provided on a side of the convex block (8); the fixed connecting rod (71) is fixed at the center of the scale plate (7); and the convex block (8) is rotatably connected to the fixed connecting rod (71).

4. The anchor drilling angle control device and use method for high and steep slopes according to claim 2, characterized in that: The material of the suspension rod (9) is copper, and a connecting buckle (11) is provided at the top of the pendant (10). The pendant (10) is connected to the lower end of the suspension rod (9) via the connecting buckle (11), and the pendant (10) and the connecting buckle (11) are detachably connected.

5. The anchor drilling angle control device and use method for high and steep slopes according to claim 1, characterized in that: The telescopic rod (6) comprises a lifting screw (61), a rotating nut (62), a fixed tube (63), a sleeve first (60) and a sleeve second (64). The rotating nut (62) is fixedly connected to the upper end of the fixed tube (63). The rotating nut (62) is screwed onto the lifting screw (61). The upper end of the lifting screw (61) is provided with a sleeve first (60). The sleeve first (60) is sleeved onto a connecting circular shaft (31). The connecting circular shaft (31) is fixed to the lower end of the angle control plate (3).

6. The anchor drilling angle control device and use method for high and steep slopes according to claim 5, characterized in that: The lower end of the lifting screw rod (61) is inserted into the fixing tube (63), and the lower end of the fixing tube (63) is rotatably connected to the bracket (1) through the second sleeve (64).

7. The anchor drilling angle control device and use method for high and steep slopes according to claim 1, characterized in that: A sleeve (4) is provided at the upper end of the angle control plate (3), a fixed circular shaft (5) is provided at the upper end of the bracket (1), and the support sleeve (4) is rotatably connected to the fixed circular shaft (5).

8. A method for using an anchor drilling angle control device for steep slopes, characterized in that: The anchor drilling angle control device for steep slopes according to claim 1 comprises the following steps: Step 1: drilling holes on the platform or top of the slope (16), placing anchor bars (15) in the holes and pouring cement mortar; Step 2: Install the anchor drilling angle control device on the slope (16) and fix the drilling machine (14) on the angle control plate (3); Step 3: Fix the two ends of the nylon rope (18) to the anchor bar (15) and the bracket (1) respectively; Step 4: Use the nylon rope (18) and the roller (2) to move the bracket (1) to the corresponding hole position, and insert the latch (13) through the reserved hole on the connecting rod (12) and insert it on the slope (16); Step 5: According to the angle at which the anchor rod (17) needs to be driven, the telescopic rod (6) is adjusted by referring to the dial (7) so that the angle of the drilling rig (14) reaches the angle at which the anchor rod (17) needs to be driven; Step 6: The drilling machine (14) performs drilling operation along the angle control plate; Step 7: After the drilling is completed, the hole is inspected and after acceptance that it meets the technical requirements, the support (1) is moved to the next operating hole position using the nylon rope (18) and the roller (2).

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