Directional drilling device for road construction

Abstract

The utility model relates to the technical field of drilling equipment, and discloses a road construction directional drilling device which comprises a box body, a drill rod is arranged in the box body, a drill bit is arranged at the bottom of the drill rod, and the bottom of the drill bit extends to the bottom of the box body; when the drill bit makes contact with a hard roadbed on the road surface, the drill bit gets close to the drill rod, the conveying component can open the connecting position of the cooling channel and the cavity, liquid used for cooling and wetting the roadbed can flow into the cooling channel and can be matched with rotation of the drill bit, the drill bit can be wetted by the liquid, the drill bit can be cooled, and meanwhile the roadbed can be wetted; and even if the drill bit goes deep into the ground, liquid can flow to the surface of the drill bit from the cooling channel.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling equipment, in particular to a directional drilling device for road construction. Background Art

[0002] Municipal roads refer to the roads that reach all regions within the city and are connected to the roads outside the city. During the construction of municipal roads, it is often necessary to drill holes in the municipal roads.

[0003] In the existing hole drilling treatment equipment, a certain amount of liquid is usually applied to the drill bit to cool the high-speed rotating drilling part, and at the same time, it can also soften the harder soil to help drilling. However, for the continuous drilling of the drill bit deep into the ground, the liquid cannot smoothly reach the drilling part, and the drilling part cannot be cooled well. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a directional drilling device for road construction, aiming to alleviate the above problems to at least a certain extent.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions:

[0006] A directional drilling device for road construction, comprising:

[0007] A box body, in which a drill pipe is provided, a drill bit is provided at the bottom of the drill pipe, and the bottom of the drill bit extends to the bottom of the box body;

[0008] A water tank, arranged in the box body;

[0009] A cavity is opened in the drill pipe and communicated with the water tank;

[0010] A cooling channel is opened at the top of the drill bit and extends to the conical surface of the drill bit, and the cooling channel is communicated with the cavity;

[0011] A conveying component is arranged in the cavity and is used for opening the connection between the cooling channel and the cavity when the drill bit approaches the drill pipe;

[0012] A drilling component is arranged in the box body and is used for moving the drill pipe downward and rotating the drill rod.

[0013] Preferably, the conveying component includes a plurality of connecting grooves opened at the bottom of the drill pipe, a connection port is opened between the cavity and the connecting grooves, the top of the drill bit is connected with a plurality of conveying pipes sleeved and slidable in the connecting grooves, the top of the drill bit is connected with a closing plug extending into the cavity, the outer wall of the closing plug covers the connection port, and a flow port is opened at the top of the closing plug.

[0014] Preferably, a spring is connected between the delivery pipe and the connection groove.

[0015] Preferably, the delivery component further includes a fixed pipe disposed in the cavity. Two frames are provided in the fixed pipe. A drainage blade is rotatably connected to one of the frames, and a limiting rod is rotatably connected to the other frame. A gear transmission mechanism is connected between the limiting rod and the drainage blade. The bottom of the limiting rod is slidably connected to a connecting rod connected to the closing plug.

[0016] Preferably, the drilling component includes a lead screw rotatably connected in the box body. A connecting frame rotatably connected to the drill rod is threadedly connected to the lead screw. The fixed pipe is connected to the connecting frame. A first motor is connected to the box body, and a gear transmission mechanism is provided between the first motor and the lead screw.

[0017] Preferably, the drilling component further includes a second motor connected to the connecting frame, and a gear transmission mechanism is provided between the second motor and the drill rod.

[0018] Preferably, a flexible hose is connected between the water tank and the fixed pipe.

[0019] In summary, the present utility model mainly has the following beneficial effects:

[0020] By providing a water tank, during application, the operator can replenish the liquid required to cool the drill bit into the water tank. The liquid enters the cavity. When the drill bit drills into the road, the drilling component can be used to move the drill rod and the drill bit downward and rotate the drill rod and the drill bit. When the drill bit contacts the harder roadbed on the road surface, the drill bit will move closer to the drill rod. The delivery component can open the connection between the cooling channel and the cavity, and the liquid for cooling and moistening the roadbed can flow into the cooling channel. In cooperation with the rotation of the drill bit, the liquid can moisten the drill bit to cool the drill bit, and at the same time can also moisten the roadbed, facilitating the drilling of the drill bit. Even when the drill bit penetrates deep underground, the liquid can flow from the cooling channel to the surface of the drill bit, which can solve the problem in the prior art that when the drill bit penetrates deep underground, the liquid cannot smoothly reach the drilling part and cannot cool the drilling part well. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0022] Figure 2 is a schematic diagram of the structure of the drilling component of the present utility model;

[0023] Figure 3 is a schematic diagram of the structure of the drill rod of the present utility model;

[0024] Figure 4 is a schematic diagram of the structure of the closing plug of the present utility model.

[0025] Reference numerals:

[0026] 100, box body; 101, drill pipe; 102, drill bit; 103, water tank; 104, cavity; 105, cooling channel;

[0027] 200, connecting groove; 201, connecting port; 202, delivery pipe; 203, sealing plug; 204, flow port; 205, spring; 206, hose;

[0028] 300, fixed pipe; 301, frame; 302, drainage blade; 303, limiting rod; 304, connecting rod;

[0029] 400, lead screw; 401, connecting frame; 402, first motor; 403, second motor. Detailed implementation manners

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0031] Refer to Figures 1-4 , a directional drilling device for road construction, comprising:

[0032] A box body 100, within which a drill pipe 101 is provided. At the bottom of the drill pipe 101, a drill bit 102 is provided, and the bottom of the drill bit 102 extends to the bottom of the box body 100;

[0033] A water tank 103, which is arranged within the box body 100;

[0034] A cavity 104, which is opened within the drill pipe 101 and communicates with the water tank 103;

[0035] A cooling channel 105, which is opened at the top of the drill bit 102 and extends to the conical surface of the drill bit 102. The cooling channel 105 communicates with the cavity 104;

[0036] A conveying component, which is arranged within the cavity 104 and is used to open the connection between the cooling channel 105 and the cavity 104 when the drill bit 102 approaches the drill pipe 101;

[0037] A drilling component, which is arranged within the box body 100 and is used to move the drill pipe 101 downward and rotate the rotating rod;

[0038] By setting up the water tank 103, when in use, the operator can add the liquid needed to cool the drill bit 102 into the water tank 103, and the liquid enters the cavity 104. When the drill bit 102 drills the road, the drilling component can be used to move the drill rod 101 and the drill bit 102 downward and rotate the rotating rod and the drill bit 102. When the drill bit 102 contacts the harder roadbed on the road surface, the drill bit 102 will move closer to the drill rod 101, and the conveying component can open the connection between the cooling channel 105 and the cavity 104, and the cooling channel 105 can be used to cool the road surface. The liquid for cooling and wetting the roadbed can flow into the cooling channel 105, and with the rotation of the drill bit 102, the liquid can wet the drill bit 102 to cool it down, and also wet the roadbed to facilitate the drilling of the drill bit 102. Even when the drill bit 102 goes deep into the ground, the liquid can flow from the cooling channel 105 to the surface of the drill bit 102, which can solve the problem in the prior art that the drill bit 102 goes deep into the ground and the liquid cannot smoothly reach the drilling parts, thereby failing to cool the drilling parts well.

[0039] As a further feature of the present invention, the conveying component includes a plurality of connecting grooves 200 provided at the bottom of the drill rod 101, a connecting port 201 is provided between the cavity 104 and the connecting groove 200, a conveying pipe 202 slidably sleeved in the plurality of connecting grooves 200 is connected to the top of the drill bit 102, a closing plug 203 extending into the cavity 104 is connected to the top of the drill bit 102, an outer wall of the closing plug 203 covers the connecting port 201, and a flow port 204 is provided at the top of the closing plug 203;

[0040] By setting the closing plug 203, when the drill bit 102 is drilling, the drill bit 102 is forced to move in the direction of the drill rod 101, which can drive the closing plug 203 to move. The closing plug 203 leaves the connecting port 201 to open the connecting port 201, and the liquid can enter the cooling channel 105 from the flow port 204, the connecting port 201, the connecting groove 200 and the delivery pipe 202.

[0041] As a further feature of the present invention, a spring 205 is connected between the delivery pipe 202 and the connection groove 200;

[0042] By setting the spring 205, when the soil is soft and the drilling speed of the drill bit 102 is low, the drill bit 102 can be gradually reset by the force of the spring 205, so that the connection port 201 is opened to a smaller extent, allowing a smaller amount of liquid to flow into the drill bit 102, which can save water when the soil is soft and the temperature of the drill bit 102 is low.

[0043] As a further aspect of the present utility model, the conveying component further includes a fixed pipe 300 disposed in the cavity 104. Two frames 301 are provided in the fixed pipe 300. A drainage blade 302 is rotatably connected to one of the frames 301, and a limiting rod 303 is rotatably connected to the other frame 301. A gear transmission mechanism is connected between the limiting rod 303 and the drainage blade 302. The bottom of the limiting rod 303 is slidably connected to a connecting rod 304 connected to the closing plug 203;

[0044] By providing the fixed pipe 300, the fixed pipe 300 can move downward with the drill pipe 101 without rotation. When the drill bit 102 rotates, it can drive the closing plug 203, the connecting rod 304, and the limiting rod 303 to rotate. When the drill bit 102 rotates, the drainage blade 302 can be rotated through the gear transmission mechanism. Even if there is no water pumping mechanism in the water tank 103, after the drainage blade 302 rotates, the liquid in the water tank 103 can be sucked into the cavity 104. When there is liquid in the water tank 103, the situation of water cut-off will not occur, saving the economic cost of the water pumping mechanism.

[0045] As a further aspect of the present utility model, the drilling component includes a lead screw 400 rotatably connected in the box body 100. A connecting frame 401 rotatably connected to the drill pipe 101 is threadedly connected to the lead screw 400. The fixed pipe 300 is connected to the connecting frame 401. A first motor 402 is connected to the box body 100. A gear transmission mechanism is provided between the first motor 402 and the lead screw 400;

[0046] By providing the first motor 402, during application, the rotation of the driving shaft of the first motor 402 can be used to drive the lead screw 400 to rotate through the gear transmission mechanism, and the rotation of the lead screw 400 can make the connecting frame 401 drive the drill pipe 101 to move downward.

[0047] As a further aspect of the present utility model, the drilling component further includes a second motor 403 connected to the connecting frame 401. A gear transmission mechanism is provided between the second motor 403 and the drill pipe 101;

[0048] By providing the second motor 403, during the downward movement of the drill pipe 101, the rotation of the driving shaft of the second motor 403 can be used to drive the drill pipe 101 to rotate, so as to achieve the purpose of drilling downward with the drill pipe 101 and the drill bit 102.

[0049] As a further aspect of the present utility model, a flexible hose 206 is connected between the water tank 103 and the fixed pipe 300;

[0050] By providing the flexible hose 206, the liquid in the water tank 103 can be transmitted to the fixed pipe 300 through the flexible hose 206 and guided into the cavity 104 by the fixed pipe 300.

[0051] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A directional drilling device for road construction, characterized in that: include: A box body (100), wherein a drill rod (101) is arranged inside the box body (100), a drill bit (102) is arranged at the bottom of the drill rod (101), and the bottom of the drill bit (102) extends to the bottom of the box body (100); A water tank (103) is disposed in the box body (100); A cavity (104) is provided in the drill rod (101) and is in communication with the water tank (103); A cooling channel (105) is provided at the top of the drill bit (102) and extends to the conical surface of the drill bit (102); the cooling channel (105) is in communication with the cavity (104); A conveying component, disposed in the cavity (104), and used to open the connection between the cooling channel (105) and the cavity (104) when the drill bit (102) approaches the drill rod (101); The drilling component is arranged in the box (100) and is used to move the drill rod (101) downward and rotate the rotating rod.

2. A road construction directional drilling device according to claim 1, characterized in that: The conveying component comprises a plurality of connecting grooves (200) formed at the bottom of the drill rod (101); a connecting port (201) is formed between the cavity (104) and the connecting groove (200); a plurality of conveying pipes (202) slidably sleeved in the connecting grooves (200) are connected to the top of the drill bit (102); a sealing plug (203) extending into the cavity (104) is connected to the top of the drill bit (102); an outer wall of the sealing plug (203) covers the connecting port (201); and a flow port (204) is formed at the top of the sealing plug (203).

3. A road construction directional drilling device according to claim 2, characterized in that: A spring (205) is connected between the delivery pipe (202) and the connection groove (200).

4. A road construction directional drilling device according to claim 2, characterized in that: The conveying component further comprises a fixed tube (300) disposed in the cavity (104), wherein two frames (301) are disposed in the fixed tube (300), wherein one of the frames (301) is rotatably connected to a drainage blade (302), and the other frame (301) is rotatably connected to a limiting rod (303), wherein a gear transmission mechanism is connected between the limiting rod (303) and the drainage blade (302), and a connecting rod (304) connected to the closing plug (203) is slidably connected to the bottom of the limiting rod (303).

5. A road construction directional drilling device according to claim 4, characterized in that: The drilling component comprises a screw rod (400) rotatably connected to the housing (100); a connecting frame (401) rotatably connected to the drilling rod (101) is threadedly connected to the screw rod (400); the fixed pipe (300) is connected to the connecting frame (401); a first motor (402) is connected to the housing (100); and a gear transmission mechanism is provided between the first motor (402) and the screw rod (400).

6. A road construction directional drilling device according to claim 5, characterized in that: The drilling component further comprises a second motor (403) connected to the connecting frame (401), and a gear transmission mechanism is provided between the second motor (403) and the drill rod (101).

7. A road construction directional drilling device according to claim 4, characterized in that: A hose (206) is connected between the water tank (103) and the fixed pipe (300).

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