Horizontal directional pre-drilling drilling device

Abstract

The utility model discloses a horizontal directional pre-drilling device, which relates to the technical field of horizontal directional pre-drilling, and comprises a movable frame, a bearing plate is hinged to the movable frame, a U-shaped seat is fixedly mounted at one end of the upper wall surface of the bearing plate, a vertical plate is fixedly mounted on the bearing plate and positioned on one side of the U-shaped seat, and a horizontal directional pre-drilling hole is formed in the vertical plate. A pair of guide rods is fixedly installed between the vertical plate and the U-shaped seat, a drill rod supporting assembly is arranged on the U-shaped seat, a movable plate is installed between the guide rods in a sliding mode, and a driving motor is fixedly installed on the movable plate. The phenomenon that the drill rod swings or deviates during punching and drilling is prevented, the movable plate is driven by the driving assembly to move along the path of the guide rod, and then the drill rod conducts pre-drilling machining on the punching and drilling position.

Description

TECHNICAL FIELD

[0001] The utility model relates to horizontal directional drilling predrilling technical field, concretely is a horizontal directional predrilling drilling device. BACKGROUND

[0002] Horizontal directional drilling machine is a kind of construction machinery for laying various underground public facilities (pipeline, cable, etc.) under the condition of not excavating surface, it is widely used in water supply, power, telecommunications, natural gas, coal gas, oil and other flexible pipeline laying construction, it is suitable for sandy soil, clay, etc. Ground conditions, not suitable for higher groundwater level and pebble stratum, most of non-hard rock areas in our country can be constructed;

[0003] The existing horizontal directional drilling directly carries out drilling construction through drilling machine in construction process, however, when directly drilling construction, due to the free swing of drill bit, drill bit deviation is easily appeared, and then it leads to needing to adjust drill bit position multiple times, so drill bit needs to be predrilled positioning before tunneling, to provide predrilling path for drill bit. UTILITY MODEL CONTENTS

[0004] In view of the deficiency of prior art, the utility model provides a horizontal directional predrilling drilling device, solve the existing horizontal directional drilling directly carries out drilling construction through drilling machine in construction process, however, when directly drilling construction, due to the free swing of drill bit, drill bit deviation is easily appeared, and then it leads to needing to adjust drill bit position multiple times, so drill bit needs to be predrilled positioning before tunneling, to provide predrilling path for drill bit Technical problem.

[0005] To realize above-mentioned purpose, the utility model is realized through following technical scheme: a kind of horizontal directional predrilling drilling device, including mobile frame, hinged connection is carried out on mobile frame Bearing plate, the upper wall surface one end of bearing plate is fixedly installed with U-shaped seat, the fixed mounting of vertical plate is carried out on bearing plate and located U-shaped seat one side, a pair of guide rods are fixedly installed between vertical plate and U-shaped seat, drill rod supporting assembly is equipped on U-shaped seat, slidingly installed with moving plate between guide rod, the fixed mounting of drive motor is carried out on moving plate, the fixed mounting of drill rod is carried out on the drive end of drive motor, the fixed mounting of drill bit is carried out on the one end of drill rod, drive assembly is equipped between bearing plate and moving plate.

[0006] Preferably, the drill rod supporting assembly comprises a pair of arc-shaped plates, the pair of arc-shaped plates are hingedly connected to the upper wall of the U-shaped seat, a cylinder is fixedly installed on the upper wall of the arc-shaped plate, sliding grooves are formed in the two side walls of the cylinder respectively, sliding blocks are slidingly installed in the sliding grooves, a moving rod is fixedly installed between the sliding blocks, the lower end of the moving rod penetrates through the cylinder and the arc-shaped plate, a lead screw is rotatably installed on the upper wall of the cylinder, a threaded groove is formed in the upper end of the moving rod, the lead screw is engagedly connected in the threaded groove, a handle is fixedly installed on the upper end of the lead screw, and installation grooves are formed in the lower end of the moving rod and the upper wall of the U-shaped seat respectively, and balls are movably installed in the installation grooves.

[0007] Preferably, one of the pair of arc-shaped plates is hingedly connected with a U-shaped plate, a threaded hole is formed in the upper wall of the U-shaped plate, and a bolt is screwed in the threaded hole, and the other of the pair of arc-shaped plates is provided with an insertion slot, and the bolt is matched with the insertion slot.

[0008] Preferably, the driving assembly comprises a guide plate, the guide plate is fixedly installed on the upper wall of the bearing plate, the cross section of the guide plate is in dovetail structure, a recess is formed in the upper wall of the guide plate, a rack is fixedly installed in the recess, a box body is fixedly installed on the lower wall of the moving plate, a dovetail groove is formed in the lower wall of the box body, the box body is slidingly installed on the guide plate through the dovetail groove, a first motor is fixedly installed on the front wall of the box body, a shaft rod is fixedly installed on the driving end of the first motor, the other end of the shaft rod is rotatably installed on the rear wall of the box body, a gear is fixedly installed on the shaft rod, and the gear is engagedly connected with the rack.

[0009] Preferably, rollers are arranged on the lower wall of the moving plate and located at the two sides of the box body respectively, and the rollers are in contact with the bearing plate.

[0010] Preferably, a hydraulic cylinder is hingedly connected to the side wall of the vertical plate and located on one side of the bearing plate.

[0011] Beneficial effects

[0012] The horizontal directional pre-drilling drilling device provided by the utility model solves the technical problem that the drill bit is provided with a pre-drilling path before tunneling, that is, the drill bit is directly drilled in the construction process of the existing horizontal directional drilling, the drill bit is easily deviated due to free swinging of the drill bit during direct drilling construction, the position of the drill bit needs to be adjusted multiple times, and the drill bit is pre-drilled before tunneling. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model discloses a horizontal directional pre-drilling drilling device's main view structure schematic diagram.

[0014] Figure 2 The utility model discloses a horizontal directional pre-drilling drilling device's drill rod support subassembly structure schematic diagram.

[0015] Figure 3 The utility model discloses a horizontal directional pre-drilling drilling device's U type seat structure schematic diagram.

[0016] Figure 4 The utility model discloses a horizontal directional pre-drilling drilling device's drive subassembly structure schematic diagram.

[0017] In the drawing: 1, mobile frame, 2, bearing plate, 3, U type seat, 4, riser, 5, guide rod, 6, moving plate, 7, drive motor, 8, drill rod, 9, arc plate, 10, cylinder, 11, sliding slot, 12, sliding block, 13, moving rod, 14, screw rod, 15, handle, 16, ball, 17, U type board, 18, bolt, 19, slot, 20, guide plate, 21, rack, 22, box, 23, first motor, 24, shaft, 25, gear, 26, gyro wheel, 27, hydraulic cylinder. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0019] Please refer to Figures 1-4 The utility model provides a technical scheme: a horizontal directional pre-drilling drilling device, including mobile frame 1, mobile frame 1 is hinged to be connected with bearing plate 2, the bearing plate 2 is fixedly installed with U type seat 3 on wall surface one end, the bearing plate 2 is fixedly installed with riser 4 on one side located U type seat 3, a pair of guide rod 5 is fixedly installed between riser 4 and U type seat 3, the U type seat 3 is equipped with drill rod support subassembly, the sliding installation of moving plate 6 is equipped between guide rod 5, drive motor 7 is fixedly installed on moving plate 6, the drive end of drive motor 7 is fixedly installed with drill rod 8, the fixedly installed with drill bit on one end of drill rod 8, bearing plate 2 and moving plate 6 are equipped with drive assembly.

[0020] The drill rod 8 is supported and guided by the drill rod supporting assembly to prevent the drill rod 8 from swinging or deviating during the percussion drilling, and the moving plate 6 is driven by the driving assembly to move along the path of the guide rod 5, so that the drill rod 8 pre-drills the percussion drilling position.

[0021] The drill rod supporting assembly comprises a pair of arc-shaped plates 9, the arc-shaped plates 9 are hingedly connected to the upper wall of the U-shaped seat 3, a cylinder 10 is fixedly installed on the upper wall of the arc-shaped plate 9, sliding grooves 11 are formed in the two side walls of the cylinder 10, sliding blocks 12 are slidably installed in the sliding grooves 11, a moving rod 13 is fixedly installed between the sliding blocks 12, the lower end of the moving rod 13 penetrates through the cylinder 10 and the arc-shaped plate 9, a lead screw 14 is rotatably installed on the upper wall of the cylinder 10, a threaded groove is formed in the upper end of the moving rod 13, the lead screw 14 is engagedly connected in the threaded groove, a handle 15 is fixedly installed on the upper end of the lead screw 14, and installation grooves are respectively formed in the lower end of the moving rod 13 and the upper wall of the U-shaped seat 3, and balls 16 are movably installed in the installation grooves.

[0022] One of the arc-shaped plates 9 is hingedly connected with a U-shaped plate 17, a threaded hole is formed in the upper wall of the U-shaped plate 17, a bolt 18 is screwed in the threaded hole, and the other arc-shaped plate 9 is provided with an insertion slot 19, and the bolt 18 is matched with the insertion slot 19.

[0023] The drill rod 8 is first placed on the U-shaped seat 3, and a pair of arc-shaped plates 9 are buckled on the drill rod 8, at this time, the U-shaped plate 17 is rotated, so that the bolt 18 is aligned with the insertion slot 19, the bolt 18 is rotated, so that the bolt 18 is fed along the path of the threaded hole, and then the bolt 18 is inserted into the insertion slot 19, at this time, a pair of arc-shaped plates 9 are buckled on the drill rod 8, the handle 15 is rotated to drive the lead screw 14 to rotate, the lead screw 14 and the moving rod 13 are engagedly connected through the threaded groove, so that the lead screw 14 has a driving effect on the moving rod 13 when the lead screw 14 rotates, the moving rod 13 moves along the path of the sliding groove 11 under the action of the sliding block 12, until the moving rod 13 contacts the drill rod 8, when the drill rod 8 rotates and feeds, the drill rod 8 rotates and feeds through the balls 16.

[0024] The embodiment is further provided with a guide plate 20 fixedly installed on the upper wall surface of the bearing plate 2, the guide plate 20 is in dovetail structure in cross section, the upper wall surface of the guide plate 20 is provided with a groove, the groove is fixedly installed with a rack 21, the lower wall surface of the moving plate 6 is fixedly installed with a box 22, the lower wall surface of the box 22 is provided with a dovetail groove, the box 22 is slidably installed on the guide plate 20 through the dovetail groove, the inner front wall surface of the box 22 is fixedly installed with a first motor 23, the driving end of the first motor 23 is fixedly installed with a shaft 24, the other end of the shaft 24 is rotatably installed on the inner rear wall surface of the box 22, the shaft 24 is fixedly installed with a gear 25, the gear 25 is meshingly connected with the rack 21.

[0025] The first motor 23 is started, the first motor 23 drives the shaft 24 to rotate, the shaft 24 drives the gear 25 to rotate, since the gear 25 is meshingly connected with the rack 21, the gear 25 drives the box 22 to move along the path of the rack 21 when rotating, the box 22 moves along the path of the guide plate 20, thereby driving the drill rod 8 to feed.

[0026] The embodiment is further provided with a roller 26 on the lower wall surface of the moving plate 6 and located on both sides of the box 22, the roller 26 is in contact with the bearing plate 2.

[0027] The roller 26 enables the moving plate 6 to move smoothly.

[0028] The embodiment is further provided with a hydraulic cylinder 27 hingedly connected on the moving frame 1 and located on one side of the bearing plate 2, the telescopic end of the hydraulic cylinder 27 is hingedly connected to the side wall surface of the vertical plate 4.

[0029] When the angle of the punch drill needs to be adjusted, the hydraulic cylinder 27 is started, the hydraulic cylinder 27 pushes the vertical plate 4, thereby enabling the vertical plate 4 to drive the bearing plate 2 to adjust the angle.

[0030] The detailed connection means is a technology known in the art, the working principle and process are mainly introduced below, and the specific work is as follows.

[0031] Embodiment: According to the description and the drawings, in use, the pre-drilling drilling device is moved to the position where drilling is needed, the hydraulic cylinder 27 is started, the hydraulic cylinder 27 pushes the vertical plate 4, and then the vertical plate 4 drives the bearing plate 2 to adjust the angle, the drill rod 8 is placed on the U-shaped seat 3 first, and a pair of arc-shaped plates 9 are buckled on the drill rod 8, at this time, the U-shaped plate 17 is rotated to make the bolt 18 align with the slot 19, the bolt 18 is rotated to make the bolt 18 feed along the path of the threaded hole, and then the bolt 18 is inserted into the slot 19, at this time, the pair of arc-shaped plates 9 are buckled on the drill rod 8, the handle 15 is rotated to make the handle 15 drive the lead screw 14 to rotate, the lead screw 14 and the moving rod 13 are connected through the thread groove, and then the lead screw 14 has a driving effect on the moving rod 13 when the lead screw 14 rotates, the moving rod 13 moves along the path of the sliding groove 11 under the action of the sliding block 12, until the moving rod 13 contacts the drill rod 8, the first motor 23 is started, the first motor 23 drives the shaft rod 24 to rotate, the shaft rod 24 drives the gear 25 to rotate, since the gear 25 is connected with the rack 21, and then the gear 25 drives the box body 22 to move along the path of the rack 21 when the gear 25 rotates, the box body 22 moves along the path of the guide plate 20, and then drives the drill rod 8 to feed, when the drill rod 8 rotates and feeds, the drill rod 8 rotates and feeds through the ball bearing 16.

[0032] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions.

Claims

1. A horizontal directional pre-drill drilling apparatus comprising a mobile carriage (1), characterized in that, The mobile frame (1) is hingedly connected with a bearing plate (2), a U-shaped seat (3) is fixedly installed on one end of the upper wall surface of the bearing plate (2), a vertical plate (4) is fixedly installed on the bearing plate (2) and located on one side of the U-shaped seat (3), a pair of guide rods (5) are fixedly installed between the vertical plate (4) and the U-shaped seat (3), a drill rod supporting assembly is arranged on the U-shaped seat (3), a moving plate (6) is slidably installed between the guide rods (5), a drive motor (7) is fixedly installed on the moving plate (6), a drill rod (8) is fixedly installed on the driving end of the drive motor (7), a drill bit is fixedly installed on one end of the drill rod (8), and a drive assembly is arranged between the bearing plate (2) and the moving plate (6).

2. A horizontally oriented pre-drill hole device according to claim 1, characterized in that The drill rod supporting assembly comprises a pair of arc-shaped plates (9), the arc-shaped plates (9) are hingedly connected to the upper wall surface of the U-shaped seat (3), a cylinder (10) is fixedly installed on the upper wall surface of the arc-shaped plate (9), sliding grooves (11) are respectively formed in the two side walls of the cylinder (10), sliding blocks (12) are slidably installed in the sliding grooves (11), a moving rod (13) is fixedly installed between the sliding blocks (12), the moving rod (13) penetrates through the cylinder (10) and the arc-shaped plate (9), a lead screw (14) is rotatably installed on the upper wall surface of the cylinder (10), a threaded groove is formed in the upper end of the moving rod (13), the lead screw (14) is engagedly connected in the threaded groove, a handle (15) is fixedly installed on the upper end of the lead screw (14), installation grooves are respectively formed in the lower end of the moving rod (13) and the upper wall surface of the U-shaped seat (3), and rolling balls (16) are movably installed in the installation grooves.

3. A horizontally oriented pre-drill hole device according to claim 2, wherein One of the arc-shaped plates (9) is hingedly connected with a U-shaped plate (17), a threaded hole is formed in the upper wall surface of the U-shaped plate (17), a bolt (18) is screwed in the threaded hole, and the other arc-shaped plate (9) is provided with an insertion slot (19), the bolt (18) is matched with the insertion slot (19).

4. A horizontally oriented pre-drill hole device according to claim 1, wherein The drive assembly comprises a guide plate (20), the guide plate (20) is fixedly installed on the upper wall surface of the bearing plate (2), the guide plate (20) has a swallow-tail-shaped structure in cross section, a recess is formed in the upper wall surface of the guide plate (20), a rack (21) is fixedly installed in the recess, a box (22) is fixedly installed on the lower wall surface of the moving plate (6), a swallow-tail groove is formed in the lower wall surface of the box (22), the box (22) is slidably installed on the guide plate (20) through the swallow-tail groove, a first motor (23) is fixedly installed on the front inner wall of the box (22), a shaft rod (24) is fixedly installed on the driving end of the first motor (23), the other end of the shaft rod (24) is rotatably installed on the rear inner wall of the box (22), a gear (25) is fixedly installed on the shaft rod (24), and the gear (25) is engagedly connected with the rack (21).

5. A horizontally oriented pre-drill hole device according to claim 4, wherein Rollers (26) are arranged on the lower wall surface of the moving plate (6) and located on both sides of the box (22), and the rollers (26) are in contact with the bearing plate (2).

6. A horizontally oriented pre-drill hole device according to claim 1, wherein The hydraulic cylinder (27) is hingedly connected to the side wall surface of the vertical plate (4) on the mobile frame (1) and on the side of the bearing plate (2).

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