CN113374414A - Spline type horizontal directional drilling engineering geological exploration steering control device - Google Patents

Abstract

A spline type horizontal directional drilling engineering geological prospecting steering device comprises a coring fishing mechanism, a sleeve, a rotating frame, an outer pipe, a penetration rod, a shell and a coring bit; the core taking drill bit is arranged at the output end of the core taking fishing mechanism, the core taking fishing mechanism is arranged on the inner side of the sleeve, the shell is of a tubular structure, the sleeve, the outer pipe and the shell are sequentially arranged from inside to outside, a mounting hole in sliding connection with the outer peripheral surface of the outer pipe is formed in the rotating frame, the rotating frame is positioned between the outer pipe and the shell, the central shaft of the mounting hole and the central shaft of the shell are arranged in an eccentric mode, and an eccentric mechanism used for driving the rotating frame to rotate is arranged inside the shell; the penetrating rod penetrates through the shell along the radial direction and is in sliding connection with the shell, the penetrating rod is uniformly provided with a plurality of penetrating rods around the central shaft of the shell, and a driving mechanism used for driving the penetrating rods to move along the radial direction of the shell is arranged inside the shell. The invention can conveniently control the drilling direction, has higher drilling efficiency and is convenient for taking out the rock core.

Description

Spline type horizontal directional drilling engineering geological exploration steering control device

Technical Field

The invention relates to the technical field of engineering investigation machinery, in particular to a spline type horizontal directional drilling engineering geological investigation direction control device.

Background

The geological engineering field is the pilot engineering field which takes natural science and geoscience as theoretical basis, takes engineering problems related to geological survey, general survey and exploration of mineral resources, geological structure of major engineering and geological background as main objects, takes geology, geophysical and geochemical technologies, mathematical geological methods, remote sensing technologies, testing technologies, computer technologies and the like as means and serves infrastructure construction. In geotechnical engineering geological exploration, the engineering geological exploration means mainly comprises drilling, well exploration, slot exploration, cavity exploration, aeronautical engineering geological survey and mapping and the like, wherein geological drilling is a main method for geotechnical engineering exploration.

To current horizontal directional drilling technique, the regulation that can not be convenient creeps into the direction, and the geological survey is crept into efficiently less, is not convenient for take out the rock core.

Disclosure of Invention

Objects of the invention

In order to solve the technical problems in the background art, the invention provides a spline type geological exploration and direction control device for horizontal directional drilling engineering, which can conveniently control the drilling direction, has higher drilling efficiency and is convenient for taking out a rock core.

(II) technical scheme

The invention provides a spline type geological survey steering device for horizontal directional drilling engineering, which comprises a coring fishing mechanism, a sleeve, a rotating frame, an outer pipe, a penetration rod, a shell and a coring bit, wherein the outer pipe is fixedly connected with the rotating frame;

the core taking drill bit is arranged at the output end of the core taking fishing mechanism, the core taking fishing mechanism is arranged on the inner side of the sleeve, the shell is of a tubular structure, the sleeve, the outer pipe and the shell are sequentially arranged from inside to outside, a mounting hole in sliding connection with the outer peripheral surface of the outer pipe is formed in the rotating frame, the rotating frame is positioned between the outer pipe and the shell, the central shaft of the mounting hole and the central shaft of the shell are arranged in an eccentric mode, and an eccentric mechanism used for driving the rotating frame to rotate is arranged inside the shell; the penetrating rod penetrates through the shell along the radial direction and is in sliding connection with the shell, the penetrating rod is uniformly provided with a plurality of penetrating rods around the central shaft of the shell, and a driving mechanism used for driving the penetrating rods to move along the radial direction of the shell is arranged inside the shell.

Preferably, the eccentric mechanism comprises a first motor, a first support, a first gear, a gear ring, a rotating ring and a bearing, the first support and the bearing are arranged on the inner surface of the shell, the first motor is arranged on the first support and is in driving connection with the first gear, the first gear is in meshing connection with the gear ring, the gear ring is arranged on the rotating ring, the rotating ring is rotatably arranged on the bearing, and the rotating frame is arranged on the inner peripheral surface of the rotating ring.

Preferably, the rotating ring is provided with a spline, and the spline is connected with the bearing.

Preferably, the ring gear is an outer ring gear.

Preferably, four penetrating rods are uniformly arranged around the central shaft of the shell; the driving mechanism comprises a transmission assembly and a power mechanism for driving the transmission assembly to run, the power mechanism is arranged on the inner surface of the shell, four groups of transmission assemblies are uniformly arranged on the transmission assembly around the central axis of the shell, the transmission assemblies correspond to the penetrating rods one by one, each transmission assembly comprises a first bevel gear, a rotating rod and a fixed frame, second bevel gear, second gear and rack, first bevel gear and second bevel gear set up respectively at the dwang both ends, the dwang rotates and sets up on the mount, the mount sets up on the casing internal surface, the second gear sets up on the dwang, second gear and rack toothing are connected, the rack radially sets up along the casing, the rack tip is connected with the pole that alternates, the casing is inside to be provided with along radial the direction subassembly that leads to the rack, first bevel gear among the arbitrary a set of transmission assembly is connected with the second bevel gear meshing in the adjacent transmission assembly.

Preferably, the power mechanism comprises a second support, a second motor, a worm and a worm wheel, the second support is arranged on the inner surface of the shell, the second motor is arranged on the second support and is in driving connection with the worm, the worm is in meshing connection with the worm wheel, and the worm wheel is arranged on any one of the rotating rods.

Preferably, the guide assembly comprises a sliding block and a sliding rail, the sliding block is connected with the rack, the sliding block is arranged on the sliding rail in a sliding mode, and the sliding rail is arranged on the inner surface of the shell along the radial direction of the shell.

Preferably, the using method comprises the following steps:

s1, moving the device to the entrance and exit of the tunnel, and horizontally placing the device;

s2, drilling a preset distance into the tunnel by the device;

s3, driving the multiple inserting rods to move outwards along the radial direction of the shell through the driving mechanism until the inserting rods are inserted into the soil;

s4, the rotating frame is driven to rotate through the eccentric mechanism, the rotating frame drives the outer pipe to bend and deform through the mounting hole, the offset of the azimuth angle of the outer pipe is achieved, and then the offset of the sleeve, the coring salvage mechanism and the coring bit is achieved;

s5, performing drilling operation through the coring bit and the coring fishing mechanism;

s6, after the drilling section of the target distance is finished, driving the multiple insertion rods to move inwards along the radial direction of the shell through the driving mechanism until the insertion rods move out of the soil;

and S7, repeating the steps S2-S6, and performing progressive drilling operation.

Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:

the invention can conveniently control the drilling direction, has higher drilling efficiency and is convenient for taking out the rock core. When the device is used, the inserting rod can be driven to move along the radial direction of the shell through the driving mechanism, the purpose that the inserting rod is inserted into soil and the soil is moved out is achieved, the fixing and the fixing of the device are facilitated, the fixing is carried out when drilling is carried out, and the stability of the drilling process and the accuracy of the drilling direction are guaranteed. Before the drilling operation is carried out, the rotating frame is driven to rotate through the eccentric mechanism, the rotating frame drives the outer pipe to deform and offset through the mounting hole, the outer pipe pushes the inner side of the sleeve to offset, the sleeve pushes the inner side of the coring fishing mechanism to offset, the coring fishing mechanism and the coring drill bit can be controlled in operation direction, and the direction adjusting control process is simple and convenient.

Drawings

Fig. 1 is a schematic structural diagram of a spline type horizontal directional drilling engineering geological exploration steering control device provided by the invention.

Fig. 2 is a partial structural sectional view of a spline type horizontal directional drilling engineering geological exploration steering control device provided by the invention.

Fig. 3 is an enlarged structural view of a part a in fig. 2 of the flower-key type horizontal directional drilling engineering geological exploration steering control device provided by the invention.

Fig. 4 is an enlarged structural view of a flower-key type horizontal directional drilling engineering geological exploration steering control device provided by the invention at the position B in fig. 2.

Fig. 5 is a schematic structural diagram of a rotating ring and a rotating frame in the spline type horizontal directional drilling engineering geological exploration steering device provided by the invention.

Reference numerals: 1. a coring fishing mechanism; 2. a sleeve; 3. a first motor; 4. a first bracket; 5. a first gear; 6. a ring gear; 7. a rotating ring; 8. a rotating frame; 801. mounting holes; 9. an outer tube; 10. a second bracket; 11. a second motor; 12. a worm; 13. a worm gear; 14. a first bevel gear; 15. rotating the rod; 16. a second bevel gear; 17. a second gear; 18. a rack; 19. inserting the rod; 20. a slider; 21. a slide rail; 22. a bearing; 23. a housing; 24. a coring bit.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-5, the invention provides a spline type horizontal directional drilling engineering geological exploration direction control device, which comprises a coring fishing mechanism 1, a casing 2, a rotating frame 8, an outer pipe 9, a penetration rod 19, a shell 23 and a coring bit 24;

the core bit 24 is arranged at the output end of the core fishing mechanism 1, the core fishing mechanism 1 is arranged at the inner side of the sleeve 2, the shell 23 is of a tubular structure, the sleeve 2, the outer pipe 9 and the shell 23 are sequentially arranged from inside to outside, the rotating frame 8 is provided with an installation hole 801 in sliding connection with the outer peripheral surface of the outer pipe 9, the rotating frame 8 is positioned between the outer pipe 9 and the shell 23, the central axis of the installation hole 801 and the central axis of the shell 23 are eccentrically arranged, and an eccentric mechanism for driving the rotating frame 8 to rotate is arranged inside the shell 23; the penetrating rods 19 penetrate through the shell 23 along the radial direction and are connected with the shell 23 in a sliding mode, a plurality of penetrating rods 19 are uniformly arranged around the central axis of the shell 23, and a driving mechanism for driving the penetrating rods 19 to move along the radial direction of the shell 23 is arranged inside the shell 23.

The invention can conveniently control the drilling direction, has higher drilling efficiency and is convenient for taking out the rock core. When the device is used, the inserting rod 19 can be driven by the driving mechanism to move along the radial direction of the shell 23, the purpose that the inserting rod 19 is inserted into soil and moved out of the soil is achieved, the device is convenient to fix and detach, the device is fixed during drilling, and the stability of the drilling process and the accuracy of the drilling direction are guaranteed. Before the drilling operation is carried out, the rotating frame 8 is driven to rotate through the eccentric mechanism, the rotating frame 8 drives the outer pipe 9 to deform and offset through the mounting hole 801, the outer pipe 9 pushes the inner side sleeve pipe 2 to offset, and the sleeve pipe 2 pushes the inner side coring fishing mechanism 1 to offset, so that the operation directions of the coring fishing mechanism 1 and the coring bit 24 can be controlled, and the direction adjusting control process is simple and convenient.

In an alternative embodiment, the eccentric mechanism comprises a first motor 3, a first bracket 4, a first gear 5, a gear ring 6, a rotating ring 7 and a bearing 22, wherein the first bracket 4 and the bearing 22 are both arranged on the inner surface of the shell 23, the first motor 3 is arranged on the first bracket 4, the first motor 3 is in driving connection with the first gear 5, the first gear 5 is in meshing connection with the gear ring 6, the gear ring 6 is arranged on the rotating ring 7, the rotating ring 7 is rotatably arranged on the bearing 22, and the rotating bracket 8 is arranged on the inner peripheral surface of the rotating ring 7.

It should be noted that the first gear 5 can be driven to rotate by the first motor 3, the first gear 5 drives the gear ring 6 to rotate, the gear ring 6 drives the rotating ring 7 to rotate, the rotating ring 7 rotates on the bearing 22, the rotating ring 7 drives the rotating frame 8 to rotate, the rotating process is stable, the rotating ring 7 also plays a supporting role in the rotating process of the rotating frame 8, the firmness of the structure of the rotating frame 8 is ensured, and the rotating frame 8 can stably drive the outer tube 9 to deform and offset.

In an alternative embodiment, the rotating ring 7 is provided with splines, and the splines are connected with the bearing 22 and firmly connected to ensure that the rotating ring 7 can stably rotate.

In an alternative embodiment, the ring gear 6 is an external ring gear, and the first gear 5 is located outside the ring gear 6, avoiding interference with structures inside the ring gear 6.

In an alternative embodiment, four penetrating rods 19 are uniformly arranged around the central axis of the shell 23; the driving mechanism comprises a transmission assembly and a power mechanism for driving the transmission assembly to run, the power mechanism is arranged on the inner surface of the shell 23, the transmission assembly is uniformly provided with four groups around the central shaft of the shell 23, the transmission assembly corresponds to the penetrating rods 19 one by one, the transmission assembly comprises a first bevel gear 14, a rotating rod 15 and a fixed frame, the first bevel gear 14 and the second bevel gear 16 are respectively arranged at two ends of the rotating rod 15, the rotating rod 15 is rotatably arranged on a fixing frame, the fixing frame is arranged on the inner surface of the shell 23, the second gear 17 is arranged on the rotating rod 15, the second gear 17 is meshed with the rack 18, the rack 18 is radially arranged along the shell 23, the end part of the rack 18 is connected with the penetrating rod 19, a guide component for guiding the rack 18 is radially arranged inside the shell 23, and the first bevel gear 14 in any group of transmission components is meshed with the second bevel gear 16 in the adjacent transmission component.

It should be noted that, the power mechanism can drive the transmission assembly to operate, when the transmission assembly operates, the first bevel gear 14, the rotating rod 15, the second bevel gear 16 and the second gear 17 all rotate, the second gear 17 drives the rack 18 to move along the radial direction of the housing 23, the guide assembly guides the moving direction of the rack 18, the rack 18 drives the insertion rods 19 to move along the radial direction, and through transmission of adjacent transmission assemblies, movement of the four insertion rods 19 can be achieved by using only one power mechanism, so that the structure is compact, the occupied space is small, the synchronism of the four insertion rods 19 during movement is high, the four insertion rods 19 can move in the circumferential direction of the housing 23, and the fixing effect of the device is firm.

In an alternative embodiment, the power mechanism comprises a second bracket 10, a second motor 11, a worm 12 and a worm wheel 13, the second bracket 10 is arranged on the inner surface of the housing 23, the second motor 11 is arranged on the second bracket 10, the second motor 11 is in driving connection with the worm 12, the worm 12 is in meshing connection with the worm wheel 13, and the worm wheel 13 is arranged on any one of the rotating rods 15.

It should be noted that the second motor 11 drives the worm 12 to rotate, the worm 12 drives the worm wheel 13 to rotate, and the worm wheel 13 drives the rotating rod 15 to rotate, so as to implement the operation of the transmission assembly, and the connection between the worm 12 and the worm wheel 13 has a self-locking property, and can finally ensure that the inserting rod 19 is maintained at a stable position after being adjusted.

In an alternative embodiment, the guiding assembly comprises a sliding block 20 and a sliding rail 21, the sliding block 20 is connected with the rack 18, the sliding block 20 is slidably disposed on the sliding rail 21, and the sliding rail 21 is disposed on the inner surface of the housing 23 along the radial direction of the housing 23.

It should be noted that the sliding block 20 slides on the sliding rail 21, and the sliding block 20 can guide the moving direction of the rack 18, so as to ensure the accuracy of the moving direction of the inserting rod 19 and the stability of the moving process.

In an alternative embodiment, the method of use comprises the steps of:

s1, moving the device to the entrance and exit of the tunnel, and horizontally placing the device;

s2, drilling a preset distance into the tunnel by the device;

s3, driving the multiple insertion rods 19 to move outwards along the radial direction of the shell 23 through the driving mechanism until the insertion rods 19 are inserted into the soil, so that the device is fixed, and the stability of the drilling process and the accuracy of the drilling direction during the subsequent drilling operation are ensured;

s4, the rotating frame 8 is driven to rotate through the eccentric mechanism, the rotating frame 8 drives the outer pipe 9 to bend and deform through the mounting hole 801, the offset of the azimuth angle of the outer pipe 9 is achieved, the offset of the sleeve 2, the coring fishing mechanism 1 and the coring bit 24 is further achieved, the outer pipe 9 can push the sleeve 2 to move, the sleeve 2 can push the fishing mechanism 1 to move, and therefore the adjustment and control of the operation directions of the coring fishing mechanism 1 and the coring bit 24 are achieved;

s5, drilling operation is carried out through the coring bit 24 and the coring fishing mechanism 1;

s6, after the drilling section of the target distance is finished, the penetration rods 19 are driven by the driving mechanism to move inwards along the radial direction of the shell 23 until the penetration rods 19 are moved out of the soil, and the fixation of the device is released;

and S7, repeating the steps S2-S6, and performing progressive drilling operation until the whole drilling engineering operation is completed.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (8)

1. A spline type horizontal directional drilling engineering geological prospecting steering device is characterized by comprising a coring fishing mechanism (1), a sleeve (2), a rotating frame (8), an outer pipe (9), an insertion rod (19), a shell (23) and a coring bit (24);

the core drill bit (24) is arranged at the output end of the core fishing mechanism (1), the core fishing mechanism (1) is arranged on the inner side of the sleeve (2), the shell (23) is of a tubular structure, the sleeve (2), the outer pipe (9) and the shell (23) are sequentially arranged from inside to outside, a mounting hole (801) in sliding connection with the outer peripheral surface of the outer pipe (9) is formed in the rotating frame (8), the rotating frame (8) is located between the outer pipe (9) and the shell (23), the central shaft of the mounting hole (801) and the central shaft of the shell (23) are eccentrically arranged, and an eccentric mechanism for driving the rotating frame (8) to rotate is arranged inside the shell (23); the penetration rods (19) penetrate through the shell (23) along the radial direction and are connected with the shell (23) in a sliding mode, a plurality of penetration rods (19) are uniformly arranged around the central shaft of the shell (23), and a driving mechanism used for driving the penetration rods (19) to move along the radial direction of the shell (23) is arranged inside the shell (23).

2. The flower-key type horizontal directional drilling engineering geological exploration direction control device according to claim 1, characterized in that the eccentric mechanism comprises a first motor (3), a first support (4), a first gear (5), a gear ring (6), a rotating ring (7) and a bearing (22), wherein the first support (4) and the bearing (22) are arranged on the inner surface of the shell (23), the first motor (3) is arranged on the first support (4), the first motor (3) is in driving connection with the first gear (5), the first gear (5) is in meshing connection with the gear ring (6), the gear ring (6) is arranged on the rotating ring (7), the rotating ring (7) is rotatably arranged on the bearing (22), and the rotating frame (8) is arranged on the inner peripheral surface of the rotating ring (7).

3. A spline type horizontal directional drilling engineering geological exploration direction control device according to claim 2, characterized in that the rotating ring (7) is provided with a spline, and the spline is connected with the bearing (22).

4. The device for controlling the geological survey of the fancy horizontal directional drilling engineering as claimed in claim 2, wherein the gear ring (6) is an external gear ring.

5. The geological survey control device for the flower-key type horizontal directional drilling engineering as claimed in claim 1, wherein four penetration rods (19) are uniformly arranged around the central axis of the housing (23); the driving mechanism comprises a transmission assembly and a power mechanism used for driving the transmission assembly to run, the power mechanism is arranged on the inner surface of the shell (23), the transmission assembly is uniformly provided with four groups around the central shaft of the shell (23), the transmission assembly is in one-to-one correspondence with the insertion rods (19), the transmission assembly comprises a first bevel gear (14), a rotating rod (15), a fixed frame, a second bevel gear (16), a second gear (17) and a rack (18), the first bevel gear (14) and the second bevel gear (16) are respectively arranged at two ends of the rotating rod (15), the rotating rod (15) is rotatably arranged on the fixed frame, the fixed frame is arranged on the inner surface of the shell (23), the second gear (17) is arranged on the rotating rod (15), the second gear (17) is meshed with the rack (18), the rack (18) is radially arranged along the shell (23), and the end part of the rack (18) is connected with the insertion rods (19), guide assemblies for guiding the racks (18) are arranged in the radial direction in the shell (23), and a first bevel gear (14) in any group of transmission assemblies is in meshed connection with a second bevel gear (16) in an adjacent transmission assembly.

6. A spline type horizontal directional drilling engineering geological survey steering device according to claim 5, characterized in that the power mechanism comprises a second bracket (10), a second motor (11), a worm (12) and a worm wheel (13), the second bracket (10) is arranged on the inner surface of the shell (23), the second motor (11) is arranged on the second bracket (10), the second motor (11) is in driving connection with the worm (12), the worm (12) is in meshing connection with the worm wheel (13), and the worm wheel (13) is arranged on any one of the rotating rods (15).

7. The flower-key type horizontal directional drilling engineering geological survey control device according to claim 6, characterized in that the guide assembly comprises a slide block (20) and a slide rail (21), the slide block (20) is connected with the rack (18), the slide block (20) is slidably arranged on the slide rail (21), and the slide rail (21) is arranged on the inner surface of the shell (23) along the radial direction of the shell (23).

8. The device for controlling the geological exploration of the flower-key type horizontal directional drilling engineering according to claim 1, wherein the using method comprises the following steps:

s1, moving the device to the entrance and exit of the tunnel, and horizontally placing the device;

s2, drilling a preset distance into the tunnel by the device;

s3, driving the multiple insertion rods (19) to move outwards along the radial direction of the shell (23) through the driving mechanism until the insertion rods (19) are inserted into the soil;

s4, the rotating frame (8) is driven to rotate through the eccentric mechanism, the rotating frame (8) drives the outer pipe (9) to bend and deform through the mounting hole (801), the offset of the azimuth angle of the outer pipe (9) is achieved, and then the offset of the sleeve (2), the coring salvage mechanism (1) and the coring bit (24) is achieved;

s5, drilling operation is carried out through the coring bit (24) and the coring fishing mechanism (1);

s6, after the drilling section of the target distance is finished, the penetration rods (19) are driven by the driving mechanism to move inwards along the radial direction of the shell (23) until the penetration rods (19) are moved out of the soil;

and S7, repeating the steps S2-S6, and performing progressive drilling operation.

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