A horizontal directional drilling device for the concealed excavation of a power tunnel

Abstract

The present invention relates to the technical field of drilling, and particularly to a horizontal directional drilling device for the concealed excavation of power tunnels. The present invention provides a horizontal directional drilling device for the concealed excavation of power tunnels that can limit and lock the drill pipes to be spliced, avoid the drill pipes falling off the limit frame due to soil pressure, and improve the construction safety and efficiency. A horizontal directional drilling device for the concealed excavation of power tunnels includes a mounting frame, moving wheels, a drilling mechanism, etc. A plurality of moving wheels are rotatably connected to the lower side of the mounting frame, and a drilling mechanism capable of performing horizontal directional drilling is provided on the mounting frame. When the drill pipe slides to the right, the drill pipe pushes the friction wheel to rotate. At this time, the top frame cannot move, so that the drill pipe cannot push the friction wheel to rotate, achieving the effect of being able to limit and lock the drill pipes to be spliced, avoid the drill pipes falling off the limit frame due to soil pressure, and improve the construction safety and efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of drilling, and particularly relates to a horizontal directional drilling device for the concealed excavation of power tunnels. Background Art

[0002] The horizontal directional drilling device for the concealed excavation of power tunnels is a device for underground construction, especially suitable for projects such as cable laying and pipeline installation in cities or under complex geological conditions. This device can reduce the impact on ground traffic and the environment, and at the same time ensure the safety and efficiency of construction.

[0003] For the existing horizontal directional drilling device for the concealed excavation of power tunnels, after a drill pipe with a drill bit is hoisted between a propulsion frame and a limiting frame, the drill pipe is pushed by the propulsion frame through the limiting frame to drill into the ground. After that, multiple sections of drill pipes are spliced and continue to drill, so as to complete the drilling work. However, when the drill pipe is waiting to be spliced after drilling into the ground, it is easily affected by soil pressure and falls off the limiting frame, affecting the safety and efficiency of construction.

[0004] Therefore, a horizontal directional drilling device for the concealed excavation of power tunnels has been developed, which can limit and lock the drill pipes to be spliced, prevent the drill pipes from falling off the limiting frame due to soil pressure, and improve the safety and efficiency of construction. Summary of the Invention

[0005] In order to overcome the defect that when the drill pipes of the existing horizontal directional drilling device for the concealed excavation of power tunnels are waiting to be spliced after drilling into the ground, they are easily affected by soil pressure and fall off the limiting frame, affecting the safety and efficiency of construction, the present invention provides a horizontal directional drilling device for the concealed excavation of power tunnels, which can limit and lock the drill pipes to be spliced, prevent the drill pipes from falling off the limiting frame due to soil pressure, and improve the safety and efficiency of construction.

[0006] The technical implementation solution of the present invention is: a horizontal directional drilling device for the concealed excavation of power tunnels, including an installation frame, moving wheels, a drilling mechanism, and a locking mechanism. A plurality of moving wheels are rotatably connected to the lower side of the installation frame. A drilling mechanism capable of performing horizontal directional drilling is provided on the installation frame, and a locking mechanism is provided on the drilling mechanism.

[0007] Furthermore, the drilling mechanism includes a guiding frame, a propulsion frame, a limiting frame, drill pipes, and a drill bit. The guiding frame is slidably arranged on the upper side of the mounting frame. The propulsion frame is slidably arranged on the upper left side of the guiding frame. The limiting frame is slidably arranged on the upper right side of the guiding frame. The drill pipes are clamped on the propulsion frame. The drill pipes pass through the limiting frame. A drill bit is connected to the right side of the drill pipes. The drill pipes are hoisted between the propulsion frame and the limiting frame. Then, the propulsion frame is moved to the right on the guiding frame, so that the propulsion frame pushes the drill pipes to move and rotate to the right, causing the drill bit to drill into the ground. The limiting frame limits the drill pipes. Then, the propulsion frame is reset. Next, the next section of drill pipes is hoisted on the propulsion frame, so that the drill pipes are spliced and continue to drill into the ground until the drilling is completed.

[0008] Furthermore, the locking mechanism includes a ejector rod, a support frame, a first telescopic rod, a first compression spring, a top frame, a friction wheel, a torsion spring, a second telescopic rod, a second compression spring, and a limiting block. Ejector rods are connected to the right sides of the front and rear parts of the propulsion frame. Support frames are connected to the upper front and rear sides of the limiting frame. First telescopic rods are connected to the lower parts of the support frames. Top frames are connected to the telescopic ends of the first telescopic rods. The ejector rods are in pressing cooperation with the adjacent top frames. First compression springs are connected between the top frames and the connected first telescopic rods. Friction wheels are rotatably connected to the top frames. A plurality of torsion springs are connected between the friction wheels and the connected top frames. Second telescopic rods are connected to the lower right sides of the support frames. A limiting block is connected between the telescopic ends of the second telescopic rods. The top frames are in pressing cooperation with the limiting block. Second compression springs are connected between the second telescopic rods and the limiting block. When the propulsion frame moves to the right, it drives the ejector rods to move to the right. When the ejector rods move to the limiting frame, they squeeze the top frames to move closer to each other. The first telescopic rods and the first compression springs are stretched, so that the friction wheels move closer to each other and contact the drill pipes. When the top frames move closer to each other, they squeeze the limiting block. Subsequently, the limiting block is in clamping cooperation with the top frames under the action of the second compression spring. When the drill pipes slide to the right, the drill pipes push the friction wheels to rotate. At this time, the top frames cannot move, so that the drill pipes cannot push the friction wheels to rotate. When the drill pipes continue to slide to the right and push the friction wheels to rotate, the friction wheels press the drill pipes tightly, and the torsion springs are deformed. After the next section of drill pipes is spliced, the limiting block is pulled to move to the right and separated from the top frame, so that the first compression spring rebounds and the first telescopic rod recovers, thereby causing the friction wheels to disengage from the drill pipes and the torsion springs to recover, driving the friction wheels to reset.

[0009] Furthermore, wedge-shaped blocks are arranged on the upper sides of the top frames.

[0010] Furthermore, the friction wheels are all eccentric wheels.

[0011] Further, a clamping mechanism is also included. The clamping mechanism includes a motor, a bidirectional lead screw, a moving frame, and a first rotating wheel. A motor is connected to the front side of the lower right part of the limiting frame. A bidirectional lead screw is connected to the output shaft of the motor. The bidirectional lead screw is rotatably connected to the limiting frame. The front and rear parts of the bidirectional lead screw are both threadedly connected to a moving frame. The moving frames are both slidably connected to the limiting frame. First rotating wheels are rotatably connected to the mutually approaching sides of the upper and lower parts of the moving frames. When the drill rod drills, the motor is started to drive the bidirectional lead screw to rotate, so that the moving frames approach each other until the first rotating wheels contact the drill rod.

[0012] Further, an auxiliary mechanism is also included. The auxiliary mechanism includes a third telescopic rod, a bearing frame, a second rotating wheel, and a third compression spring. Two front and rear third telescopic rods are connected to the right side of the guiding frame. A bearing frame is connected between the telescopic ends of the third telescopic rods. Second rotating wheels are rotatably connected to the front and rear parts of the bearing frame. The second rotating wheels are both in contact with the drill rod. Third compression springs are connected between the third telescopic rods and the bearing frame. After the drill rod passes through the limiting frame, it contacts the second rotating wheel on the bearing frame. An upward acting force is applied to the bearing frame through the third compression spring, so that the second rotating wheel supports the drill rod.

[0013] Further, the bearing frame is arc-shaped.

[0014] Further, an adjusting mechanism is also included. The adjusting mechanism includes a first connecting block, a cylinder, a fixed frame, a rotating telescopic plate, and a second connecting block. Two left and right first connecting blocks are connected to both the front and rear sides of the guiding frame. Cylinders are rotatably connected to the first connecting blocks. Fixed frames are rotatably connected to the telescopic ends of the cylinders. Rotating telescopic plates are rotatably connected to the fixed frames. Second connecting blocks are rotatably connected to the upper parts of the rotating telescopic plates. The second connecting blocks are both connected to the guiding frame. After the guiding frame moves to a specified position, the cylinders on the first connecting blocks are started to place the fixed frames on the ground, and the rotating telescopic plates rotate, so that the guiding frame is placed at a certain angle.

[0015] Further, a connecting mechanism is also included. The connecting mechanism includes a support block and a hook ring. Two front and rear support blocks are connected to both the left and right parts of the guiding frame. Hook rings are connected to the support blocks. When the left part of the guiding frame is placed on a moving vehicle, it is connected to the moving vehicle through the hook ring on the left side, so that the guiding frame is fixed on the moving vehicle. When the position of the guiding frame needs to be moved, the guiding frame can be pulled to move through the hook ring on the right side.

[0016] The present invention has the following advantages: 1. When the drill rod slides to the right, the drill rod pushes the friction wheel to rotate. At this time, the top frame cannot move, so that the drill rod cannot push the friction wheel to rotate, achieving the effect of being able to limit and lock the drill rod to be spliced, avoiding the drill rod falling off the limiting frame due to soil pressure, and improving the construction safety and efficiency.

[0017] 2. When the drill pipe is drilled, the motor is started to drive the bidirectional lead screw to rotate, so that the moving frames approach each other until the first rotating wheel contacts the drill pipe, achieving the effect of being able to limit the drill pipe and facilitating the advancement of the drill pipe.

[0018] 3. After the drill pipe passes through the limiting frame and contacts the second rotating wheel on the pressure-bearing frame, an upward acting force is applied to the pressure-bearing frame through the third compression spring, so that the second rotating wheel supports the drill pipe, achieving the effect of being able to improve the stability of the drill pipe during drilling and avoid damage to the drill pipe.

[0019] 4. After the guide frame moves to the designated position, the cylinder on the first connecting block is started to place the fixed frame on the ground, and the telescopic plate is rotated, so that the guide frame is placed at a certain angle, achieving the effect of being able to adjust the angle of the guide frame to facilitate controlling the drilling angle of the drill pipe.

[0020] 5. When the left part of the guide frame is placed on the moving vehicle, it is connected to the moving vehicle through the hook ring on the left, so that the guide frame is fixed on the moving vehicle. When the position of the guide frame needs to be moved, the guide frame is pulled to move through the hook ring on the right, achieving the effect of being able to conveniently move and fix the guide frame and improve the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the present invention.

[0022] Figure 2 It is a partially enlarged three-dimensional structural schematic diagram of the present invention.

[0023] Figure 3 It is a three-dimensional structural schematic diagram of the drilling mechanism part of the present invention.

[0024] Figure 4 It is a three-dimensional structural schematic diagram of the first part of the locking mechanism of the present invention.

[0025] Figure 5 It is a three-dimensional structural schematic diagram of the second part of the locking mechanism of the present invention.

[0026] Figure 6 It is a three-dimensional structural schematic diagram of the third part of the locking mechanism of the present invention.

[0027] Figure 7 It is a three-dimensional structural schematic diagram of the clamping mechanism part of the present invention.

[0028] Figure 8 It is a three-dimensional structural schematic diagram of the auxiliary mechanism part of the present invention.

[0029] Figure 9 It is a three-dimensional structural schematic diagram of the adjusting mechanism part of the present invention.

[0030] Figure 10 This is a partial three-dimensional structural schematic diagram of the connection mechanism of the present invention.

[0031] The meanings of the reference numerals in the figure: 0: ground, 1: mounting frame, 2: moving wheels, 3: drilling mechanism, 31: guiding frame, 32: propulsion frame, 33: limiting frame, 34: drill pipe, 35: drill bit, 4: locking mechanism, 41: ejector rod, 42: support frame, 43: first telescopic rod, 44: first compression spring, 45: top frame, 46: friction wheel, 47: torsion spring, 48: second telescopic rod, 49: second compression spring, 410: limiting block, 5: clamping mechanism, 51: motor, 52: bidirectional lead screw, 53: moving frame, 54: first rotating wheel, 6: auxiliary mechanism, 61: third telescopic rod, 62: bearing frame, 63: second rotating wheel, 64: third compression spring, 7: adjusting mechanism, 71: first connecting block, 72: cylinder, 73: fixed frame, 74: rotating and telescopic plate, 75: second connecting block, 8: connection mechanism, 81: support block, 82: hook ring. Specific embodiments

[0032] References to embodiments in this specification mean that the specific features, structures, or characteristics described in connection with the embodiments can be included in at least one embodiment of the present invention. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0033] A horizontal directional drilling device for power tunnels in concealed excavation, as Figures 1 - 10 shown, includes a mounting frame 1, moving wheels 2, a drilling mechanism 3, and a locking mechanism 4. Four moving wheels 2 are rotatably connected to the lower side of the mounting frame 1, a drilling mechanism 3 is provided on the mounting frame 1, and a locking mechanism 4 is provided on the drilling mechanism 3.

[0034] As Figures 1 - 3 shown, the drilling mechanism 3 includes a guiding frame 31, a propulsion frame 32, a limiting frame 33, a drill pipe 34, and a drill bit 35. The guiding frame 31 is slidably provided on the upper side of the mounting frame 1, the propulsion frame 32 is slidably provided on the upper left side of the guiding frame 31, the limiting frame 33 is slidably provided on the upper right side of the guiding frame 31, the drill pipe 34 is clamped on the propulsion frame 32, the drill pipe 34 passes through the limiting frame 33, and the right side of the drill pipe 34 is connected to the drill bit 35.

[0035] As Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 and Figure 6As shown in the figure, the locking mechanism 4 includes a push rod 41, a support frame 42, a first telescopic rod 43, a first compression spring 44, a top frame 45, a friction wheel 46, a torsion spring 47, a second telescopic rod 48, a second compression spring 49 and a limit block 410. The right sides of the front and rear parts of the propulsion frame 32 are both connected with a push rod 41. The front and rear sides of the upper part of the limit frame 33 are both connected with a support frame 42. The lower parts of the support frames 42 are both connected with a first telescopic rod 43. The telescopic ends of the first telescopic rods 43 are both connected with a top frame 45. Wedge blocks are arranged on the upper sides of the top frames 45, which are convenient for extrusion cooperation with the push rod 41. The push rods 41 are both in extrusion cooperation with the adjacent top frames 45. A first compression spring 44 is connected between each top frame 45 and the connected first telescopic rod 43. Friction wheels 46 are rotatably connected to the top frames 45. The friction wheels 46 are both eccentric wheels, which are convenient for pressing the drill pipe 34. Two torsion springs 47 are connected between each friction wheel 46 and the connected top frame 45. The right sides of the lower parts of the support frames 42 are both connected with a second telescopic rod 48. A limit block 410 is connected between the telescopic ends of the second telescopic rods 48. The top frames 45 are both in extrusion cooperation with the limit block 410. A second compression spring 49 is connected between each second telescopic rod 48 and the limit block 410.

[0036] When the present invention is used, first place the left part of the guiding frame 31 on the moving vehicle, then move the mounting frame 1 to the right part of the guiding frame 31, so that the moving wheels 2 contact the ground 0. The guiding frame 31 is moved to the designated drilling position by the moving vehicle and the moving wheels 2. After the guiding frame 31 moves to the designated position, the guiding frame 31 is disengaged from the moving vehicle, and then the drill pipe 34 is hoisted between the propulsion frame 32 and the limiting frame 33. Then, the propulsion frame 32 is moved to the right on the guiding frame 31, so that the propulsion frame 32 pushes the drill pipe 34 to move to the right and rotate, causing the drill bit 35 to drill into the ground. The limiting frame 33 limits the drill pipe 34. Then, the propulsion frame 32 is reset, and the next section of the drill pipe 34 is hoisted on the propulsion frame 32, so that the drill pipes 34 are spliced to continue drilling into the ground until the drilling is completed. While the propulsion frame 32 moves to the right, it drives the ejector rod 41 to move to the right. When the ejector rod 41 moves to the limiting frame 33, it squeezes the top frame 45 to move closer to each other. The first telescopic rod 43 and the first compression spring 44 are stretched, so that the friction wheels 46 move closer to each other and contact the drill pipe 34. When the top frames 45 move closer to each other, they squeeze the limiting block 410. Subsequently, the limiting block 410 is engaged and matched with the top frame 45 by the acting force of the second compression spring 49. When the drill pipe 34 slides to the right, the drill pipe 34 pushes the friction wheels 46 to rotate. At this time, the top frame 45 cannot move, and thus the drill pipe 34 cannot push the friction wheels 46 to rotate, thereby playing a role in being able to limit and lock the drill pipe 34 to be spliced, avoiding the drill pipe 34 falling off the limiting frame 33 due to soil pressure, and improving the construction safety and efficiency. After the drill pipe 34 continues to slide to the right and pushes the friction wheels 46 to rotate, the friction wheels 46 press the drill pipe 34 tightly, and the torsion spring 47 deforms. After the next section of the drill pipe 34 is spliced, the limiting block 410 is pulled to move to the right and disengaged from the top frame 45, so that the first compression spring 44 rebounds and the first telescopic rod 43 returns, and thus the friction wheels 46 are disengaged from the drill pipe 34, and the torsion spring 47 returns, driving the friction wheels 46 to reset.

[0037] As Figure 1 , Figure 2 and Figure 7 shown, it further includes a clamping mechanism 5. The clamping mechanism 5 includes a motor 51, a bidirectional lead screw 52, a moving frame 53, and a first rotating wheel 54. The front side of the lower right part of the limiting frame 33 is connected with a motor 51. The output shaft of the motor 51 is connected with a bidirectional lead screw 52. The bidirectional lead screw 52 is rotatably connected with the limiting frame 33. The front and rear parts of the bidirectional lead screw 52 are both threadedly connected with a moving frame 53. The moving frames 53 are both slidably connected with the limiting frame 33. The first rotating wheels 54 are rotatably connected to the mutually approaching sides of the upper and lower parts of the moving frames 53.

[0038] Using the clamping mechanism 5 of this device, the drill pipe 34 can be clamped. When the drill pipe 34 is drilling, start the motor 51 to drive the bidirectional lead screw 52 to rotate, making the moving frames 53 approach each other until the first rotating wheel 54 contacts the drill pipe 34, thus playing a role in limiting the drill pipe 34 and facilitating the advancement of the drill pipe 34.

[0039] As Figure 1 , Figure 2 and Figure 8 shown, it also includes an auxiliary mechanism 6. The auxiliary mechanism 6 includes a third telescopic rod 61, a pressure-bearing frame 62, a second rotating wheel 63 and a third pressure spring 64. There are two third telescopic rods 61 connected to the right side of the guide frame 31, one in front and one behind. A pressure-bearing frame 62 is connected between the telescopic ends of the third telescopic rods 61. The pressure-bearing frame 62 is arc-shaped to facilitate receiving the drill pipe 34. The front and rear parts of the pressure-bearing frame 62 are both rotatably connected with second rotating wheels 63, and the second rotating wheels 63 are all in contact with the drill pipe 34. Third pressure springs 64 are connected between the third telescopic rods 61 and the pressure-bearing frame 62 respectively.

[0040] Using the auxiliary mechanism 6 of this device, the drill pipe 34 can be supported. After the drill pipe 34 passes through the limit frame 33 and contacts the second rotating wheel 63 on the pressure-bearing frame 62, an upward acting force is applied to the pressure-bearing frame 62 through the third pressure spring 64, enabling the second rotating wheel 63 to support the drill pipe 34, thus playing a role in improving the stability of the drill pipe 34 during drilling and avoiding damage to the drill pipe 34.

[0041] As Figure 1 , Figure 2 and Figure 9 shown, it also includes an adjustment mechanism 7. The adjustment mechanism 7 includes a first connection block 71, a cylinder 72, a fixed frame 73, a rotating telescopic plate 74 and a second connection block 75. There are two left and right first connection blocks 71 connected to both the front and rear sides of the guide frame 31. Cylinders 72 are rotatably connected to the first connection blocks 71. Fixed frames 73 are rotatably connected to the telescopic ends of the cylinders 72. Rotating telescopic plates 74 are rotatably connected to the fixed frames 73. Second connection blocks 75 are rotatably connected to the upper parts of the rotating telescopic plates 74, and the second connection blocks 75 are all connected to the guide frame 31.

[0042] Using the adjustment mechanism 7 of this device, the angle of the guide frame 31 can be adjusted. After the guide frame 31 moves to the designated position, start the cylinder 72 on the first connection block 71 to place the fixed frame 73 on the ground 0. The rotating telescopic plate 74 rotates, making the guide frame 31 tilt to a certain angle for placement, thus playing a role in being able to adjust the angle of the guide frame 31 to facilitate controlling the drilling angle of the drill pipe 34.

[0043] As Figure 1 , Figure 2 and Figure 10As shown in the figure, it further includes a connecting mechanism 8. The connecting mechanism 8 includes a support block 81 and a hook ring 82. Both the left and right parts of the guide frame 31 are connected with two front and rear support blocks 81, and hook rings 82 are connected to the support blocks 81.

[0044] By using the connecting mechanism 8 of the present device, it is convenient to move and fix the guide frame 31. When the left part of the guide frame 31 is placed on a moving vehicle, it is connected to the moving vehicle through the left hook ring 82, so that the guide frame 31 is fixed on the moving vehicle. When it is necessary to move the position of the guide frame 31, the guide frame 31 can be pulled to move through the right hook ring 82. Thus, it plays a role in facilitating the movement and fixation of the guide frame 31 and improving the construction efficiency.

[0045] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should all be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. A horizontal directional drilling device for electric power tunneling, characterized by: The invention comprises a mounting frame (1), a moving wheel (2), a drilling mechanism (3) and a locking mechanism (4); the mounting frame (1) is rotatably connected to a plurality of moving wheels (2) at the lower side; the mounting frame (1) is provided with a drilling mechanism (3) capable of performing horizontal directional drilling; the drilling mechanism (3) is provided with a locking mechanism (4); the drilling mechanism (3) comprises a guide frame (31), a propulsion frame (32), a limit frame (33), a drill rod (34) and a drill bit (35) A guide frame (31) is slidably provided on the upper side of the mounting frame (1), a propulsion frame (32) is slidably provided on the upper left side of the guide frame (31), a limiting frame (33) is slidably provided on the upper right side of the guide frame (31), a drill rod (34) is clamped on the propulsion frame (32), the drill rod (34) passes through the limiting frame (33), a drill bit (35) is connected to the right side of the drill rod (34), and the drill rod (34) is hoisted between the propulsion frame (32) and the limiting frame (33); The locking mechanism (4) comprises a push rod (41), a support frame (42), a first telescopic rod (43), a first pressure spring (44), a push frame (45), a friction wheel (46), a torsion spring (47), a second telescopic rod (48), a second pressure spring (49) and a limit block (410). The push rod (41) is connected to the right sides of the front and rear parts of the propulsion frame (32). The support frame (42) is connected to the support frame (42) on both the front and rear sides of the upper part. The support frame (42) is connected to the first telescopic rod (43) at the lower part. The telescopic end of the first telescopic rod (43) is connected to the push frame (45). The push rod (41) is pressed and matched with the adjacent push frame (45). The push frame (45) is connected to the first telescopic rod (43) with a first pressure spring (44). The push frame (45) is rotatably connected to the friction wheel (46). The friction wheel (46) is connected to the push frame (45). A plurality of torsion springs (47) are connected between them, a second telescopic rod (48) is connected to the right side of the lower part of the support frame (42), a limit block (410) is connected between the telescopic ends of the second telescopic rod (48), the top frame (45) is squeezed and matched with the limit block (410), and a second pressure spring (49) is connected between the second telescopic rod (48) and the limit block (410). When the propulsion frame (32) moves to the right, the push rod (41) is driven to move to the right. When the push rod (41) moves to the limit frame (33), the top frame (45) is squeezed to move closer to each other, the first telescopic rod (43) and the first pressure spring (44) are stretched, so that the friction wheel (46) is closer to each other and contacts the drill rod (34). When the top frame (45) moves closer to each other, the limit block (410) is squeezed, and then the limit block (410) and the top frame (45) are engaged and matched by the action force of the second pressure spring (49).

2. The horizontal directional drilling device for electric power tunneling according to claim 1 is characterized by: The upper side of the top frame (45) is provided with wedge blocks.

3. The horizontal directional drilling device for electric power tunneling according to claim 1 is characterized by: The friction wheels (46) are all eccentric wheels.

4. The horizontal directional drilling device for electric power tunneling according to claim 1 is characterized by: The invention also comprises a clamping mechanism (5), which comprises a motor (51), a bidirectional screw rod (52), a movable frame (53) and a first rotating wheel (54). The motor (51) is connected to the front side of the lower right part of the limiting frame (33). The output shaft of the motor (51) is connected to the bidirectional screw rod (52). The bidirectional screw rod (52) is rotatably connected to the limiting frame (33). The front and rear parts of the bidirectional screw rod (52) are both threadedly connected to the movable frame (53). The movable frame (53) is slidably connected to the limiting frame (33). The first rotating wheel (54) is rotatably connected to the side where the upper and lower parts of the movable frame (53) are close to each other. When the drill rod (34) is drilling, the motor (51) is started to drive the bidirectional screw rod (52) to rotate, so that the movable frame (53) is close to each other until the first rotating wheel (54) contacts the drill rod (34).

5. The horizontal directional drilling device for electric power tunneling according to claim 2 is characterized by: The invention also comprises an auxiliary mechanism (6), which comprises a third telescopic rod (61), a pressure frame (62), a second rotating wheel (63) and a third pressure spring (64). The right side of the guide frame (31) is connected with two third telescopic rods (61) at the front and rear ends. The pressure frame (62) is connected between the telescopic ends of the third telescopic rod (61). The front and rear parts of the pressure frame (62) are both rotatably connected with the second rotating wheel (63). The second rotating wheel (63) is in contact with the drill rod (34). The third pressure spring (64) is connected between the third telescopic rod (61) and the pressure frame (62). After the drill rod (34) passes through the limiting frame (33), it contacts the second rotating wheel (63) on the pressure frame (62). The third pressure spring (64) applies an upward force to the pressure frame (62), so that the second rotating wheel (63) supports the drill rod (34).

6. The horizontal directional drilling device for electric power tunneling according to claim 5 is characterized by: The pressure-bearing frame (62) is arc-shaped.

7. The horizontal directional drilling device for electric power tunneling according to claim 6 is characterized by: The guide frame (31) further comprises an adjusting mechanism (7), which comprises a first connecting block (71), a cylinder (72), a fixed frame (73), a rotating telescopic plate (74) and a second connecting block (75). The guide frame (31) is connected to two first connecting blocks (71) on the front and rear sides thereof. The first connecting blocks (71) are rotatably connected to the cylinder (72). The telescopic end of the cylinder (72) is rotatably connected to the fixed frame (73). The fixed frame (73) is rotatably connected to the rotating telescopic plate (74). The upper part of the rotating telescopic plate (74) is rotatably connected to the second connecting block (75). The second connecting blocks (75) are connected to the guide frame (31). After the guide frame (31) moves to a specified position, the cylinder (72) on the first connecting block (71) is started to place the fixed frame (73) on the ground (0). The rotating telescopic plate (74) is rotated to tilt the guide frame (31) to a certain angle.

8. The horizontal directional drilling device for electric power tunneling according to claim 7 is characterized by: The invention also comprises a connecting mechanism (8), wherein the connecting mechanism (8) comprises a supporting block (81) and a hook ring (82). The left and right parts of the guide frame (31) are both connected to the front and rear supporting blocks (81), and the supporting blocks (81) are both connected to the hook ring (82). When the left part of the guide frame (31) is placed on a moving vehicle, the left hook ring (82) is used to connect the guide frame (31) to the moving vehicle, so that the guide frame (31) is fixed on the moving vehicle. When the position of the guide frame (31) needs to be moved, the guide frame (31) can be pulled to move by the right hook ring (82).

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