Anchoring device for horizontal directional drilling machine

Abstract

The utility model relates to the technical field of horizontal directional drilling machines, in particular to an anchoring device for a horizontal directional drilling machine, the length of a fixing rod of the anchoring device is not limited by the inner diameter of an anchoring rod, and the fixing rod is large in length, high in structural strength and strong in anchoring capacity. Comprising a mounting frame, a lifting table and anchoring rods; the anchoring rod is tubular, the screw rod is concentrically, vertically and rotatably mounted in the anchoring rod, the threaded seat is mounted in the anchoring rod in a lifting and sliding manner and is in threaded connection with the screw rod through a middle threaded hole, the fixing rods are arc-shaped, and the inner arc surfaces of the fixing rods face the outside of the anchoring rod; the upper ends of the multiple fixing rods are rotationally connected with the lower end face of the threaded seat, the multiple guide pipes are circumferentially and evenly installed on the inner wall of the lower end of the anchoring rod, the lower ends of the multiple fixing rods are slidably inserted into the multiple guide pipes correspondingly, and outer ports of the multiple guide pipes extend out of the anchoring rod.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of horizontal directional drilling machine, in particular to a kind of anchoring device for horizontal directional drilling machine. BACKGROUND

[0002] Horizontal directional drilling machine is a kind of construction machinery used for laying various underground public facilities under the condition that ground surface is not excavated during construction process, which is widely applied in various flexible pipeline laying construction.

[0003] The Chinese utility model patent with publication number CN218509410U proposes a horizontal directional drilling machine anchoring device, which includes a mounting frame, a first mounting plate and an anchoring rod. The mounting frame has the first mounting plate on one side. The anchoring rod is slidingly connected to the mounting frame. The anchoring device also includes a piling mechanism, a rope collecting mechanism and a lifting mechanism. The piling mechanism is arranged on the upper surface of the mounting frame and can drive the anchoring rod to move longitudinally. The rope collecting mechanism is arranged on the other side of the mounting frame and can be used to pull the piling mechanism. The lifting mechanism is arranged on the mounting frame and is used to separate the anchoring rod from the piling mechanism. After the anchoring rod is inserted into the ground, the tapered block extrudes the fixing rod, causing the fixing rod to slide to the side away from each other and enhancing the contact stability with the ground, further enhancing the stability of the anchoring rod.

[0004] However, the fixing rod of the above-mentioned anchoring device is transversely installed inside the anchoring rod. Due to the limited inner diameter of the anchoring rod, the length of the fixing rod inserted into the ground is effective, resulting in limited anchoring effect of the anchoring rod. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model provides an anchoring device for horizontal directional drilling machine, which has the advantages of fixing rod length not limited by anchoring rod inner diameter, large fixing rod length, high structural strength and strong anchoring capacity.

[0006] The utility model discloses a kind of anchoring devices for horizontal directional drilling rig, including mounting bracket, lifting platform and anchoring rod, mounting bracket is installed on horizontal directional drilling rig, lifting platform is slidably installed on mounting bracket, anchoring rod is vertically installed on lifting platform;It further include screw rod, threaded seat, multiple fixed rods and multiple guide tubes, anchoring rod is tubular, screw rod concentric vertical rotation is installed in the inside of anchoring rod, threaded seat is slidably installed in the inside of anchoring rod, threaded seat is connected by middle threaded hole with screw rod, fixed rod is arc, the inner arc surface of fixed rod is towards the outside of anchoring rod, the upper end of multiple fixed rods is rotatably connected with the lower end surface of threaded seat, multiple guide tubes are evenly installed on the lower end inner wall of anchoring rod, the lower end of multiple fixed rods is slidably inserted in multiple guide tubes respectively, the outer end of multiple guide tubes extends the outside of anchoring rod;When working, horizontal directional drilling rig is in place and after inserting anchoring rod into ground, rotate screw rod, threaded seat moves downward under the action of screw thread, threaded seat pushes multiple fixed rods downward, multiple fixed rods extend the outside of anchoring rod under the guidance of multiple guide tubes, so that the lower end of multiple fixed rods is inserted into the land outside anchoring rod, compared with prior art, multiple fixed rods are arc, and vertically stored in the inside of anchoring rod, so the length of fixed rod is not limited by the inner diameter of anchoring rod, so that the length of fixed rod is longer, multiple fixed rods provide stronger anchoring capacity under the guidance and limiting of multiple guide tubes, and the strength of arc multiple fixed rods is higher than that of straight rod with same diameter, so that anchoring effect is improved.

[0007] Preferably, it further includes bearing seat one, gear ring, motor, drive shaft and gear, bearing seat one is installed on lifting platform, bearing seat one surrounds anchoring rod, gear ring is concentrically installed on the rotating end of bearing seat one, the inner wall of gear ring is provided with spline, the outer wall of anchoring rod is provided with spline groove matched with the spline of gear ring, gear ring and anchoring rod are connected through spline pair transmission, motor is installed on lifting platform, the output shaft of motor is in transmission connection with drive shaft, drive shaft is vertically rotatably installed on lifting platform, gear is concentrically installed on drive shaft, and gear is engaged with gear ring;Motor drives drive shaft to rotate, drive shaft drives gear to rotate, gear engages drive gear ring to rotate, and gear ring drives anchoring rod to rotate through spline pair, so that anchoring rod can be rotated and drilled into the ground, to realize the anchoring of anchoring rod.

[0008] Preferably, it further includes helical blade, the lower end of anchoring rod is pointed, and the helical blade is installed on the lower end outer wall of anchoring rod;Through the installation of helical blade, the earth drilling efficiency of anchoring rod is increased.

[0009] Preferably, the bearing seat two, the push rod and the driven gear are further included, the cross section of the driving shaft is polygonal, the gear is slidably installed on the driving shaft through the polygonal hole in the middle part, the lower end of the bearing seat two is concentrically installed on the gear, the upper end of the bearing seat two is connected with one end of the push rod, the other end of the push rod is installed on the motor, the driven gear is concentrically installed on the upper end of the screw rod, and the driven gear has the same number of teeth and module as the gear ring; when the anchoring rod drills the ground, the piston rod of the push rod is retracted, the push rod drives the bearing seat two to descend, the bearing seat two drives the gear to descend and mesh with the gear ring; after the anchoring rod drills the ground to the position, the piston rod of the push rod is elongated, the push rod drives the bearing seat two to ascend, the bearing seat two drives the gear to ascend and disengage from the gear ring and mesh with the driven gear, at this time, the motor drives the driving shaft and the gear to rotate, the gear meshes to drive the driven gear to rotate, the driven gear drives the screw rod to rotate, and the plurality of fixing rods are pushed out of the anchoring rod, so that the plurality of fixing rods are driven, and the utility is good.

[0010] Preferably, the limiting switch is further included, the limiting switch is installed in the interior of the anchoring rod, and the limiting switch is located above the threaded seat; when the plurality of fixing rods are retracted into the anchoring rod, the threaded seat is raised to be close to the set range of the limiting switch, the limiting switch generates an electric signal, the controller of the anchoring device receives the electric signal and knows that the plurality of fixing rods have been retracted to the position, at this time, the motor stops, the piston rod of the push rod is retracted, the gear is disengaged from the driven gear and meshes with the gear ring, and the degree of automation is improved.

[0011] Preferably, the plurality of positioning holes and the positioning screw rod are further included, the plurality of positioning holes are vertically arranged on the mounting frame, the positioning screw rod is screw-connected and rotated on the lifting platform, and the positioning screw rod is matched and aligned with the positioning hole; when the lifting platform reaches the specified position of the mounting frame, the positioning screw rod is rotated, the inner end of the positioning screw rod is inserted into the corresponding positioning hole, so that the lifting platform is locked on the mounting frame, and the stability of the lifting platform is improved.

[0012] Preferably, the scale and the indicating mark are further included, the scale is vertically installed on the mounting frame, and the indicating mark is installed on the lifting platform; the indicating mark and the scale cooperate to measure the descending height of the lifting platform, so that the length of the anchoring rod above the lifting platform is measured, the drilling depth of the anchoring rod is measured, and the utility is improved.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The plurality of fixing rods are arc-shaped and vertically accommodated in the interior of the anchoring rod, so that the length of the fixing rod is not limited by the inner diameter of the anchoring rod, the length of the fixing rod is longer, the plurality of fixing rods provide stronger anchoring capacity for the anchoring rod under the guidance and limiting action of the plurality of guide pipes, the plurality of arc-shaped fixing rods have higher strength than straight rods with the same diameter, and the anchoring effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic diagram of the utility model;

[0016] Figure 2 is a front cut structure schematic diagram of the utility model in the fixed rod retracted state;

[0017] Figure 3 is an axonometric structure schematic diagram of the utility model in the fixed rod extended state;

[0018] Figure 4 is a front cut structure schematic diagram of the utility model in the fixed rod extended state;

[0019] Figure 5 is a structural schematic diagram of screw rod, screw seat, fixed rod and guide pipe structure etc.;

[0020] Figure 6 is a structural schematic diagram of screw rod, fixed rod, gear ring, motor, drive shaft, gear, push rod and driven gear structure etc.;

[0021] Figure 7 is a structural schematic diagram of anchor rod, bearing seat one, gear ring, motor, drive shaft and gear structure etc.

[0022] Mark in the drawing: 1, mounting frame;2, lifting platform;3, anchor rod;4, screw rod;5, screw seat;6, fixed rod;7, guide pipe;8, bearing seat one;9, gear ring;10, motor;11, drive shaft;12, gear;13, helical blade;14, bearing seat two;15, push rod;16, driven gear;17, limit switch;18, positioning hole;19, positioning screw;20, scale;21, indicating mark. DETAILED DESCRIPTION

[0023] In order to facilitate understanding the utility model, below will be with reference to relevant drawings more comprehensive description of the utility model. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0024] Example 1

[0025] As Figures 1 to 7As shown, an anchoring device for horizontal directional drilling machine, comprising a mounting frame 1, a lifting platform 2 and an anchoring rod 3, the mounting frame 1 is installed on the horizontal directional drilling machine, the lifting platform 2 is installed on the mounting frame 1 in a lifting sliding mode, and the anchoring rod 3 is vertically installed on the lifting platform 2; further comprising a screw rod 4, a threaded seat 5, a plurality of fixed rods 6 and a plurality of guide pipes 7, the anchoring rod 3 is tubular, the screw rod 4 is concentrically and vertically rotatably installed inside the anchoring rod 3, the threaded seat 5 is installed inside the anchoring rod 3 in a lifting sliding mode, the threaded seat 5 is threadedly connected with the screw rod 4 through a middle threaded hole, the fixed rod 6 is arc-shaped, the inner arc surface of the fixed rod 6 faces the outside of the anchoring rod 3, the upper end of the plurality of fixed rods 6 is rotatably connected with the lower end surface of the threaded seat 5, the plurality of guide pipes 7 are circumferentially and uniformly installed on the lower end inner wall of the anchoring rod 3, the lower end of the plurality of fixed rods 6 is respectively and slidingly inserted into the plurality of guide pipes 7, and the outer ends of the plurality of guide pipes 7 extend out of the outside of the anchoring rod 3; further comprising a bearing seat one 8, a gear ring 9, a motor 10, a driving shaft 11 and a gear 12, the bearing seat one 8 is installed on the lifting platform 2, the bearing seat one 8 surrounds the anchoring rod 3, the gear ring 9 is concentrically installed on the rotating end of the bearing seat one 8, the inner wall of the gear ring 9 is provided with a spline, the outer wall of the anchoring rod 3 is provided with a spline groove matched with the spline of the gear ring 9, the gear ring 9 and the anchoring rod 3 are drivingly connected through the spline pair, the motor 10 is installed on the lifting platform 2, the output shaft of the motor 10 is drivingly connected with the driving shaft 11, the driving shaft 11 is vertically rotatably installed on the lifting platform 2, the gear 12 is concentrically installed on the driving shaft 11, and the gear 12 is engaged with the gear ring 9; further comprising a spiral blade 13, the lower end of the anchoring rod 3 is a pointed end, and the spiral blade 13 is installed on the lower end outer wall of the anchoring rod 3; further comprising a plurality of positioning holes 18 and a positioning screw 19, the plurality of positioning holes 18 are vertically arranged on the mounting frame 1, the positioning screw 19 is rotatably screwed on the lifting platform 2, and the positioning screw 19 is matched and aligned with the positioning hole 18; further comprising a scale 20 and an indicating mark 21, the scale 20 is vertically installed on the mounting frame 1, and the indicating mark 21 is installed on the lifting platform 2.

[0026] When working, the horizontal directional drilling machine is in place, the positioning screw 19 is loosened, the anchor rod 3 is lowered by the lifting platform 2, the anchor rod 3 is inserted into the ground, the positioning screw 19 is tightened, the inner end of the positioning screw 19 is inserted into the corresponding positioning hole 18, the lifting platform 2 is locked on the mounting frame 1, the motor 10 drives the driving shaft 11 to rotate, the driving shaft 11 drives the gear 12 to rotate, the gear 12 meshes with the driving gear 9 to rotate, the gear 9 drives the anchor rod 3 to rotate through the spline pair, so that the anchor rod 3 can be rotated and drilled into the ground, the drilling efficiency of the anchor rod 3 is increased by installing the spiral blade 13; the indicating mark 21 and the scale 20 cooperate to measure the descending height of the lifting platform 2, so as to measure the drilling depth of the anchor rod 3 by measuring the length of the anchor rod 3 above the lifting platform 2, after the drilling depth of the anchor rod 3 reaches the standard, the screw rod 4 is rotated, the threaded seat 5 moves downward under the action of the screw thread, the threaded seat 5 pushes the plurality of fixing rods 6 downward, the plurality of fixing rods 6 extends outward under the guidance of the plurality of guide pipes 7, so that the lower end of the plurality of fixing rods 6 is inserted into the ground outside the anchor rod 3, compared with the prior art, the plurality of fixing rods 6 is arc-shaped and vertically stored in the inside of the anchor rod 3, so that the length of the fixing rod 6 is not limited by the inner diameter of the anchor rod 3, so that the length of the fixing rod 6 is longer, the plurality of fixing rods 6 provides stronger anchoring capacity for the anchor rod 3 under the guidance and limiting action of the plurality of guide pipes 7, and the plurality of fixing rods 6 with the arc shape has higher strength than the straight rod with the same diameter, so that the anchoring effect is improved.

[0027] Example 2

[0028] As Figures 1 to 6 shown, on the basis of example 1, the bearing seat two 14, the push rod 15 and the driven gear 16 are further included, the cross section of the driving shaft 11 is polygonal, the gear 12 is slidably installed on the driving shaft 11 through the polygonal hole in the middle, the lower end of the bearing seat two 14 is concentrically installed on the gear 12, the upper end of the bearing seat two 14 is connected with one end of the push rod 15, the other end of the push rod 15 is installed on the motor 10, the driven gear 16 is concentrically installed on the upper end of the screw rod 4, the driven gear 16 has the same number of teeth and modulus as the gear 9; the limiting switch 17 is further included, the limiting switch 17 is installed in the inside of the anchor rod 3, and the limiting switch 17 is located above the threaded seat 5.

[0029] When the anchor rod 3 drills the ground, the piston rod of the push rod 15 contracts, the push rod 15 drives the bearing seat two 14 to descend, the bearing seat two 14 drives the gear 12 to descend and engage with the gear ring 9; when the anchor rod 3 drills the ground to the position, the piston rod of the push rod 15 extends, the push rod 15 drives the bearing seat two 14 to ascend, the bearing seat two 14 drives the gear 12 to ascend and disengage with the gear ring 9 and engage with the driven gear 16, at this time the motor 10 drives the driving shaft 11 and the gear 12 to rotate, the gear 12 engages to drive the driven gear 16 to rotate, the driven gear 16 drives the screw rod 4 to rotate, pushes out the plurality of fixed rods 6 from the anchor rod 3, realizes the driving of the plurality of fixed rods 6, and has good practicability; when the plurality of fixed rods 6 are retracted into the anchor rod 3, the threaded seat 5 ascends and approaches the set range of the limit switch 17, the limit switch 17 generates an electric signal, the controller of the anchoring device receives the above-mentioned electric signal and knows that the plurality of fixed rods 6 have been retracted to the position, at this time the motor 10 stops, the piston rod of the push rod 15 contracts, the gear 12 disengages with the driven gear 16 and engages with the gear ring 9, and the degree of automation is improved.

[0030] As Figures 1 to 7As shown, this utility model discloses an anchoring device for a horizontal directional drilling rig. During operation, after the horizontal directional drilling rig reaches its position, the positioning screw 19 is loosened, causing the lifting platform 2 to lower the anchoring rod 3, inserting its lower end into the ground. The motor 10 operates, driving the gear ring 9 to rotate via the drive shaft 11 and gear 12. The gear ring 9 then rotates the anchoring rod 3, causing it to drill downwards. When the anchoring rod 3 reaches the standard drilling depth, the piston rod of the push rod 15 extends, causing the push rod 15 to raise the bearing seat 14. The bearing seat 14 then raises the gear 12, disengaging it from the gear ring 9 and engaging with the driven gear 16. At this time, the motor 10 drives the drive shaft 11 and gear 12 to rotate, and the gear 12, in turn, drives the driven gear 16 to rotate. The driven gear 16 then rotates the screw 4, causing the threaded seat 5 to move downwards under the action of the thread. The threaded seat 5 pushes multiple fixing rods 6 downwards, which, guided by multiple guide tubes 7, extend outwards towards the anchoring rod 3, allowing multiple... The lower end of each fixing rod 6 is inserted into the ground outside the anchor rod 3. When the anchor rod 3 needs to be pulled out, the motor 10 reverses. The motor 10 drives the screw 4 to reverse through the drive shaft 11, gear 12 and driven gear 16, causing the threaded seat 5 to rise. The threaded seat 5 retracts the multiple fixing rods 6 into the anchor rod 3. When the threaded seat 5 rises close to the set range of the limit switch 17, the limit switch 17 generates an electrical signal. After receiving the above electrical signal, the controller of the anchoring device knows that the multiple fixing rods 6 have been retracted into place. At this time, the motor 10 stops, the piston rod of the push rod 15 retracts, causing the gear 12 to disengage from the driven gear 16 and mesh with the gear ring 9. Finally, the motor 10 reverses again. The motor 10 drives the anchor rod 3 to reverse through the drive shaft 11, gear 12 and gear ring 9. Under the action of the spiral blade 13, the anchor rod 3 is lifted out of the ground. The positioning screw 19 is tightened so that the inner end of the positioning screw 19 is inserted into the corresponding positioning hole 18, thereby locking the lifting platform 2 onto the mounting frame 1.

[0031] The main functions achieved by this utility model are:

[0032] 1. The length of the fixing rod is not limited by the inner diameter of the anchor rod. The longer the fixing rod is, the higher the structural strength and the stronger the anchoring ability.

[0033] 2. It can automatically drill and anchor, making it highly practical.

[0034] The anchor device for the horizontal directional drilling machine is provided with the installation frame 1, the lifting platform 2, the anchor rod 3, the screw rod 4, the threaded seat 5, the bearing seat one 8, the gear ring 9, the motor 10, the driving shaft 11, the gear wheel 12, the spiral blade 13, the bearing seat two 14, the push rod 15, the driven gear 16, the limit switch 17, the positioning screw rod 19 and the scale 20, and the installation mode, the connection mode or the setting mode of the anchor device for the horizontal directional drilling machine are all common mechanical modes, and as long as the beneficial effects can be achieved, the anchor device for the horizontal directional drilling machine can be implemented.

[0035] All the technical and scientific terms used in the present application have the same meaning as that commonly understood by the technical personnel belonging to the technical field of the present application. The terms used in the specification of the present application are only for the purpose of describing the specific embodiments and are not intended to limit the present application. The term "and / or" used in the present application includes any and all combinations of one or more related listed items.

[0036] The above is only the preferred embodiment of the present application, and it should be pointed out that for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be considered as the protection scope of the present application.

Claims

1. An anchoring device for a horizontal directional drilling machine, comprising a mounting frame (1), a lifting platform (2) and an anchoring rod (3), the mounting frame (1) is mounted on the horizontal directional drilling machine, the lifting platform (2) is slidably mounted on the mounting frame (1) in a lifting manner, and the anchoring rod (3) is vertically mounted on the lifting platform (2); characterized in that, It also includes screw rod (4), screw seat (5), a plurality of fixed rod (6) and a plurality of guide pipe (7), anchor rod (3) is tubular, screw rod (4) is concentric vertical rotation installed in the inside of anchor rod (3), screw seat (5) is slidingly installed in the inside of anchor rod (3), screw seat (5) is connected with screw rod (4) through the middle threaded hole, fixed rod (6) is arc, the inner arc surface of fixed rod (6) faces the outside of anchor rod (3), the upper end of a plurality of fixed rod (6) is rotatably connected with the lower end surface of screw seat (5), a plurality of guide pipe (7) is circumferentially evenly installed on the lower end inner wall of anchor rod (3), the lower end of a plurality of fixed rod (6) is respectively slidingly inserted in a plurality of guide pipe (7), the outer end of a plurality of guide pipe (7) extends out of the outside of anchor rod (3).

2. An anchoring device for a horizontal directional drilling machine as defined in claim 1, characterized in that It also includes bearing seat one (8), gear ring (9), motor (10), drive shaft (11) and gear (12), bearing seat one (8) is installed on lifting platform (2), bearing seat one (8) surrounds anchor rod (3), gear ring (9) is concentrically installed on the rotating end of bearing seat one (8), the inner wall of gear ring (9) is provided with spline, the outer wall of anchor rod (3) is provided with spline groove matched with the spline of gear ring (9), gear ring (9) and anchor rod (3) are connected through spline pair transmission, motor (10) is installed on lifting platform (2), the output shaft of motor (10) is in transmission connection with drive shaft (11), drive shaft (11) is vertically rotatably installed on lifting platform (2), gear (12) is concentrically installed on drive shaft (11), gear (12) is engaged with gear ring (9).

3. An anchoring device for a horizontal directional drilling machine as defined in claim 1, wherein, It also includes spiral blade (13), the lower end of anchor rod (3) is a pointed end, spiral blade (13) is installed on the lower end outer wall of anchor rod (3).

4. An anchoring device for a horizontal directional drilling machine as defined in claim 2, wherein, It also includes bearing seat two (14), push rod (15) and driven gear (16), the cross section of drive shaft (11) is polygonal, gear (12) is slidingly installed on drive shaft (11) through the middle polygonal hole, the lower end of bearing seat two (14) is concentrically installed on gear (12), the upper end of bearing seat two (14) is connected with one end of push rod (15), the other end of push rod (15) is installed on motor (10), driven gear (16) is concentrically installed on the upper end of screw rod (4), driven gear (16) has the same number of teeth and modulus as gear ring (9).

5. An anchoring device for a horizontal directional drilling machine as defined in claim 4, wherein, It also includes limit switch (17), limit switch (17) is installed in the inside of anchor rod (3), limit switch (17) is located above screw seat (5).

6. An anchoring device for a horizontal directional drill as defined in claim 1, wherein, It also includes a plurality of positioning holes (18) and positioning screw rod (19), a plurality of positioning holes (18) are vertically arranged on mounting frame (1), positioning screw rod (19) is rotatably screwed on lifting platform (2), positioning screw rod (19) is matched and aligned with positioning hole (18).

7. An anchoring device for a horizontal directional drill as defined in claim 1, wherein, It also includes scale (20) and indicating mark (21), scale (20) is vertically installed on mounting frame (1), indicating mark (21) is installed on lifting platform (2). It also includes scale (20) and indicating mark (21), scale (20) is vertically installed on mounting frame (1), indicating mark (21) is installed on lifting platform (2).

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