Engineering geological exploration drilling machine

Abstract

The utility model relates to the technical field of geological exploration drilling, and discloses an engineering geological exploration drilling machine which comprises a shell, a drill rod is arranged below the shell, and a cooling mechanism is arranged in the shell. The cooling mechanism comprises a cooling coil pipe, the cooling coil pipe is fixedly embedded in the drill rod, the inner side wall of the shell is fixedly connected with a liquid storage tank, the left side face of the liquid storage tank fixedly communicates with a liquid outlet pipe, the outer surface of the liquid outlet pipe is fixedly connected with a sealing cover, and the inner wall of the sealing cover is fixedly connected with a sealing bearing; the inner wall of the inner ring of the sealing bearing is fixedly connected with a rotating disc, and the liquid inlet end and the liquid outlet end of the cooling coil pipe are sleeved with a first small bearing and a second small bearing correspondingly. The engineering geological exploration drilling machine has the advantages that the engineering geological exploration drilling machine can cool the drilling rod in time, thermal abrasion of the drilling rod is reduced, the service life of the drilling rod of the engineering geological exploration drilling machine is prolonged, the engineering geological exploration drilling machine can be used outdoors for a long time, and the drilling rod does not need to be frequently replaced due to abrasion.

Description

Technical Field

[0001] The utility model relates to the technical field of geological survey and drilling, in particular to an engineering geological survey drilling rig. Background Art

[0002] Engineering geological survey uses geological exploration methods such as surveying and mapping, geophysical exploration, geochemical prospecting, drilling, pit exploration, sampling testing, geological remote sensing, etc. to understand the geological conditions such as rocks, stratigraphic structures, minerals, groundwater and landforms in the measured area. Drilling equipment is needed for geological surveys, that is, drilling rigs are used to drill into the ground and sample and analyze soil or rock layers at different depths.

[0003] The utility model with the existing authorization announcement number CN219281660U discloses a portable engineering geological survey drilling rig, including a base plate, fixed seats welded on both sides of the bottom end of the base plate, each fixed seat is installed with a fixing nail, a sleeve is installed in the middle of the bottom end of the base plate, first support plates are welded on both sides of the top of the base plate, the tops of the two first support plates jointly support and install a first cross plate, second support plates are symmetrically welded at both ends of the top of the first cross plate, and the tops of the two second support plates jointly support and install a second cross plate.

[0004] The above technical solution has the advantages of being able to raise and lower the drill bit and reduce the difficulty of construction, as well as being stable and reliable during overall operation, and being able to rotate deep soil out, making it convenient to survey the state of the soil. However, with the above technical solution, the existing engineering geological exploration drilling rig cannot cool down the drill rod in time when in use, resulting in severe thermal wear of the drill rod when drilling the rock formation, which greatly affects the service life of the engineering geological exploration drilling rig, making it impossible to use the engineering geological exploration drilling rig outdoors for a long time, requiring frequent replacement of the drill rod, and increasing the use cost of the engineering geological exploration drilling rig.

[0005] Therefore, those skilled in the art provide an engineering geological survey drilling rig to solve the problems raised in the above background technology. Utility Model Content

[0006] The purpose of the utility model is to provide an engineering geological survey drilling rig to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] An engineering geological survey drilling rig comprises a housing, a drill rod is arranged below the housing, and a cooling mechanism is arranged inside the housing;

[0009] The cooling mechanism includes a cooling coil, which is fixedly embedded in the inside of the drill pipe, the inner side wall of the shell is fixedly connected to a liquid storage tank, the left side of the liquid storage tank is fixedly connected to a liquid outlet pipe, the outer surface of the liquid outlet pipe is fixedly connected to a closing cover, the inner wall of the closing cover is fixedly connected to a sealed bearing, the inner wall of the inner ring of the sealed bearing is fixedly connected to a rotating disk, the liquid inlet end and the liquid outlet end of the cooling coil are respectively sleeved with a first small bearing and a second small bearing, the outer surface of the first small bearing is fixedly connected to the inner wall of the liquid outlet pipe, the second small bearing is fixedly embedded in the inside of the rotating disk, and the outer surface of the closing cover is fixedly connected to the inner wall of the liquid outlet pipe. A heat dissipation coil is fixedly connected to the shell, a gear pump is arranged inside the shell, the liquid outlet end of the heat dissipation coil is fixedly connected to the liquid inlet end of the gear pump, the liquid outlet end of the gear pump is fixedly connected to a return pipe, the end of the return pipe away from the gear pump passes through the liquid storage tank and extends to the interior of the liquid storage tank, the bottom surface of the liquid storage tank is fixedly connected to a rotating motor, the output end of the rotating motor power is fixedly connected to a fan blade, the outer surface of the heat dissipation coil is fixedly connected to a plurality of heat dissipation copper sheets, the bottom surface of each of the heat dissipation copper sheets is fixedly connected to the upper surface of the closing cover, and the front and back sides of each of the heat dissipation copper sheets are fixedly connected to the inner wall of the shell.

[0010] As a further solution of the utility model: handles are fixedly connected to the front and back of the shell, and an anti-slip cover is fixedly connected to the outer surface of each handle. Exhaust grooves arranged at equal distances are opened on the front and back of the shell.

[0011] As a further solution of the utility model: a dual-axis motor is arranged inside the shell, the output end of the power below the dual-axis motor is fixedly connected to a small gear, the output end of the power above the dual-axis motor is fixedly connected to the input end of the gear pump, and the outer surface of the drill rod is fixedly connected to a large gear, and the large gear is meshed with the small gear.

[0012] As a further solution of the utility model: a stabilizing seat is fixedly connected to the left side of the dual-axis motor, and the left side of the stabilizing seat is fixedly connected to the inner wall of the shell.

[0013] As a further solution of the utility model: an auxiliary bearing is arranged below the large gear, the auxiliary bearing is fixedly embedded in the bottom surface of the shell, and the inner wall of the inner ring of the auxiliary bearing is fixedly connected to the outer surface of the drill rod.

[0014] As a further solution of the utility model: the upper surface of the liquid storage box is fixedly connected with a liquid adding pipe, the top end of the liquid adding pipe passes through the shell and is clamped with a dust plug.

[0015] As a further solution of the utility model: a fixing plate is fixedly connected to the back side of the gear pump, and the back side of the fixing plate is fixedly connected to the inner wall of the housing.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model is provided with a liquid outlet pipe, which can guide the cooling liquid in the liquid storage tank downward into the cooling coil by gravity, and utilizes the heat exchange principle to replace the heat generated in the drilling process of the drill rod. At the same time, the suction force provided by the rotation of the gear pump can allow the cooling liquid that has completed the heat exchange in the cooling coil to be sucked into the heat dissipation coil. At this time, the wind force provided by the rotation of the fan blades driven by the rotating motor can cooperate with the heat dissipation copper sheet to cool the cooling liquid entering the heat dissipation coil. Then, the cooled cooling liquid is sent back to the liquid storage tank by the gear pump through the reflux pipe, so that the cooling liquid in the cooling coil can circulate and always maintain a relatively low temperature, thereby ensuring the cooling effect on the drill rod on the engineering geological exploration drilling rig, and playing a role. The engineering geological exploration drilling rig cooperates with the cooling mechanism to cool the drill rod in time, reduce thermal wear of the drill rod, increase the service life of the drill rod of the engineering geological exploration drilling rig, and enable the engineering geological exploration drilling rig to be used outdoors for a long time without the need to frequently replace the drill rod due to wear. By providing a closed cover with a sealed bearing and a rotating disk, the water outlet end of the cooling coil can rotate along the axis of the drill rod with the assistance of the second small bearing, and then the water inlet end of the cooling coil can rotate along the axis of the drill rod with the assistance of the first small bearing, while ensuring that the coolant can smoothly enter the cooling coil from the liquid outlet pipe, so as to achieve the effect of not affecting the smooth rotation of the drill rod while ensuring the smooth cooling of the drill rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of an engineering geological survey drilling rig;

[0019] Figure 2 It is a schematic diagram of the cutaway three-dimensional structure of a drill rod in an engineering geological survey drilling rig;

[0020] Figure 3 It is a schematic diagram of the cutaway three-dimensional structure of a closed cover in an engineering geological survey drilling rig;

[0021] Figure 4 The present invention is a schematic diagram of the cross-sectional three-dimensional structure of a liquid storage tank in an engineering geological survey drilling rig.

[0022] In the figure: 1. Shell; 2. Drill rod; 3. Cooling mechanism; 301. Cooling coil; 302. Liquid storage tank; 303. Liquid outlet pipe; 304. Closing cover; 305. Sealed bearing; 306. Rotating plate; 307. First small bearing; 308. Second small bearing; 309. Heat dissipation coil; 310. Gear pump; 311. Reflux pipe; 312. Rotating motor; 313. Fan blade; 314. Heat dissipation copper sheet; 4. Handle; 5. Anti-slip sleeve; 6. Exhaust groove; 7. Dual-axis motor; 8. Small gear; 9. Large gear; 10. Stable seat; 11. Auxiliary bearing; 12. Liquid adding pipe; 13. Dust plug; 14. Fixed plate. DETAILED DESCRIPTION

[0023] See also Figure 1-4 A drilling rig for engineering geological survey comprises a shell 1, a drill rod 2 is arranged below the shell 1, a cooling mechanism 3 is arranged inside the shell 1, a handle 4 is fixedly connected to the front and back of the shell 1, an anti-slip cover 5 is fixedly connected to the outer surface of each handle 4, and exhaust grooves 6 arranged at equal distances are opened on the front and back of the shell 1. The handle 4 cooperates with the anti-slip cover 5 to facilitate the user to hold the device, thereby increasing the convenience of using the device. The exhaust groove 6 can ensure that the outside gas can smoothly enter the shell 1, and at the same time, the gas inside the shell 1 can be discharged to the outside, thereby ensuring the normal circulation of the air inside the shell 1.

[0024] The cooling mechanism 3 includes a cooling coil 301, which is fixedly embedded in the inside of the drill pipe 2. The inner wall of the shell 1 is fixedly connected to a liquid storage tank 302. The left side of the liquid storage tank 302 is fixedly connected to a liquid outlet pipe 303. The outer surface of the liquid outlet pipe 303 is fixedly connected to a closing cover 304. The inner wall of the closing cover 304 is fixedly connected to a sealing bearing 305. The inner wall of the inner ring of the sealing bearing 305 is fixedly connected to a rotating disk 306. The upper surface of the liquid storage tank 302 is fixedly connected to a liquid adding pipe 12. The top end of the liquid adding pipe 12 passes through the shell 1 and is clamped with a dust plug 13. The liquid adding pipe 12 can facilitate the user to add coolant to the inside of the liquid storage tank 302. The dust plug 13 can prevent external dust and impurities from entering the inside of the liquid storage tank 302, thereby ensuring the cleanliness of the coolant inside the liquid storage tank 302.

[0025] The liquid inlet end and the liquid outlet end of the cooling coil 301 are respectively sleeved with a first small bearing 307 and a second small bearing 308, the outer surface of the first small bearing 307 is fixedly connected to the inner wall of the liquid outlet pipe 303, the second small bearing 308 is fixedly embedded in the inside of the rotating disk 306, the outer surface of the closing cover 304 is fixedly connected to the heat dissipation coil 309, the shell 1 is provided with a gear pump 310, the shell 1 is provided with a dual-axis motor 7, the output end of the power below the dual-axis motor 7 is fixedly connected to the pinion 8, the output end of the power above the dual-axis motor 7 is fixedly connected to the input end of the gear pump 310, the outer surface of the drill rod 2 is fixedly connected with a large gear 9, the large gear 9 is meshed with the small gear 8, the power provided by the dual-axis motor 7 can drive the small gear 8 to rotate, at this time, the meshing relationship can drive the large gear 9 to rotate, and then drive the drill rod 2 to rotate, ensuring the smooth rotation and drilling of the drill rod 2, and at the same time, the characteristics of the two output shafts of the dual-axis motor 7 can drive the gear pump 310 to rotate, ensuring that the coolant can circulate smoothly.

[0026] The liquid outlet end of the heat dissipation coil 309 is fixedly connected to the liquid inlet end of the gear pump 310, and the liquid outlet end of the gear pump 310 is fixedly connected to a return pipe 311. The end of the return pipe 311 away from the gear pump 310 passes through the liquid storage tank 302 and extends to the interior of the liquid storage tank 302. The left side of the dual-axis motor 7 is fixedly connected to a stabilizing seat 10. The left side of the stabilizing seat 10 is fixedly connected to the inner wall of the shell 1. The stabilizing seat 10 can fix the position of the dual-axis motor 7, increase the stability of the dual-axis motor 7 when in use, and ensure that the dual-axis motor 7 can smoothly drive the pinion 8 to rotate.

[0027] A rotating motor 312 is fixedly connected to the bottom surface of the liquid storage tank 302, and a fan blade 313 is fixedly connected to the output end of the power of the rotating motor 312. An auxiliary bearing 11 is arranged below the large gear 9, and the auxiliary bearing 11 is fixedly embedded in the bottom surface of the shell 1. The inner wall of the inner ring of the auxiliary bearing 11 is fixedly connected to the outer surface of the drill rod 2. The auxiliary bearing 11 can limit the position of the drill rod 2 inside the shell 1 without affecting the rotation of the drill rod 2, thereby increasing the rotation stability of the drill rod 2.

[0028] A plurality of heat dissipation copper sheets 314 are fixedly connected to the outer surface of the heat dissipation coil 309, the bottom surface of each heat dissipation copper sheet 314 is fixedly connected to the upper surface of the sealing cover 304, the front and back surfaces of each heat dissipation copper sheet 314 are fixedly connected to the inner wall of the shell 1, and a fixing plate 14 is fixedly connected to the back surface of the gear pump 310, the back surface of the fixing plate 14 is fixedly connected to the inner wall of the shell 1, and the fixing plate 14 can fix the position of the gear pump 310 inside the shell 1, so that the gear pump 310 will not shake relative to each other, thereby increasing the reliability of the gear pump 310.

[0029] The working principle of the utility model is as follows: when in use, first connect the dual-axis motor 7 and the rotating motor 312 to the power supply. When it is necessary to carry out engineering geological exploration and drilling work, hold the handle 4 through the anti-slip sleeve 5, and then use the power provided by the dual-axis motor 7 to drive the small gear 8 to rotate. At this time, the meshing relationship can drive the large gear 9 to rotate, and then drive the drill rod 2 to rotate with the assistance of the auxiliary bearing 11, ensuring the smooth rotation and drilling of the drill rod 2. When the drill rod 2 generates heat during the drilling process and needs to be cooled, the coolant in the liquid storage tank 302 can be discharged through the liquid outlet pipe 303. The cooling fluid is introduced downward into the cooling coil 301 by gravity, and the heat generated by the drilling process of the drill rod 2 is replaced by the heat exchange principle. At the same time, the gear pump 310 is driven by the dual-axis specific drive of the dual-axis motor 7 to generate suction, so that the coolant that has completed the heat exchange in the cooling coil 301 can be sucked into the heat dissipation coil 309. At this time, the rotating motor 312 drives the fan blades 313 to rotate to provide wind force, and the exhaust of the heat dissipation copper sheet 314 and the exhaust groove 6 can cool the coolant entering the heat dissipation coil 309. Then, the cooled coolant is pumped by the gear pump 31 through the reflux pipe 311. 0 is sent back to the liquid storage tank 302, so that the coolant in the cooling coil 301 can circulate and keep a relatively low temperature all the time, ensuring the cooling effect on the drill rod 2 on the engineering geological exploration drilling rig, so that the engineering geological exploration drilling rig can cooperate with the cooling mechanism 3 to cool the drill rod 2 in time, reduce the thermal wear of the drill rod 2, and thus increase the service life of the drill rod 2 of the engineering geological exploration drilling rig, so that the engineering geological exploration drilling rig can be used outdoors for a long time without frequently replacing the drill rod 2 due to wear. Finally, through the closed cover 304, the sealed bearing 305 and the rotating disk 306, the cooling disk The water outlet end of the tube 301 rotates along the axis of the drill pipe 2 with the assistance of the second small bearing 308, so that the coolant that has completed the heat exchange first enters the closed cover 304 and then enters the heat dissipation coil 309. Then the water inlet end of the cooling coil 301 rotates inside the liquid outlet pipe 303 along the axis of the drill pipe 2 with the assistance of the first small bearing 307. This ensures that the coolant can smoothly enter the cooling coil 301 from the liquid outlet pipe 303 and the coolant can be smoothly sucked out of the cooling coil 301 without affecting the smooth rotation of the drill pipe 2, thereby ensuring that the engineering geological survey and drilling work proceeds smoothly.

[0030] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An engineering geological survey drilling rig, comprising a housing (1), characterized in that: A drill rod (2) is arranged below the housing (1), and a cooling mechanism (3) is arranged inside the housing (1); The cooling mechanism (3) comprises a cooling coil (301), wherein the cooling coil (301) is fixedly embedded in the interior of the drill pipe (2); the inner side wall of the housing (1) is fixedly connected to a liquid storage tank (302); the left side of the liquid storage tank (302) is fixedly connected to a liquid outlet pipe (303); the outer surface of the liquid outlet pipe (303) is fixedly connected to a sealing cover (304); the inner wall of the sealing cover (304) is fixedly connected to a sealing bearing (305); the inner wall of the inner ring of the sealing bearing (305) is fixedly connected to a rotating disk (306); the liquid inlet end and the liquid outlet end of the cooling coil (301) are respectively sleeved with a first small bearing (307) and a second small bearing (308); the outer surface of the first small bearing (307) is fixedly connected to the inner wall of the liquid outlet pipe (303); the second small bearing (308) is fixedly embedded in the interior of the rotating disk (306); the outer surface of the sealing cover (304) is fixedly connected to the inner wall of the liquid outlet pipe (303); A heat dissipation coil (309) is fixedly connected to the housing (1); a gear pump (310) is arranged inside the housing (1); the liquid outlet end of the heat dissipation coil (309) is fixedly connected to the liquid inlet end of the gear pump (310); the liquid outlet end of the gear pump (310) is fixedly connected to a return pipe (311); one end of the return pipe (311) away from the gear pump (310) passes through the liquid storage tank (302) and extends to the interior of the liquid storage tank (302); the liquid storage tank ( The bottom surface of the housing (302) is fixedly connected to a rotating motor (312), the output end of the power of the rotating motor (312) is fixedly connected to a fan blade (313), the outer surface of the heat dissipation coil (309) is fixedly connected to a plurality of heat dissipation copper sheets (314), the bottom surface of each heat dissipation copper sheet (314) is fixedly connected to the upper surface of the sealing cover (304), and the front and back surfaces of each heat dissipation copper sheet (314) are fixedly connected to the inner wall of the housing (1).

2. The engineering geological survey drilling rig according to claim 1, characterized in that: The front and back sides of the shell (1) are fixedly connected to handles (4), the outer surface of each handle (4) is fixedly connected to an anti-slip cover (5), and the front and back sides of the shell (1) are provided with exhaust grooves (6) arranged at equal distances.

3. The engineering geological survey drilling rig according to claim 1, characterized in that: A dual-axis motor (7) is disposed inside the housing (1); a power output end below the dual-axis motor (7) is fixedly connected to a pinion gear (8); a power output end above the dual-axis motor (7) is fixedly connected to an input end of a gear pump (310); a large gear (9) is fixedly connected to the outer surface of the drill rod (2); and the large gear (9) is meshed with the small gear (8).

4. The engineering geological survey drilling rig according to claim 3, characterized in that: A stabilizing seat (10) is fixedly connected to the left side surface of the dual-axis motor (7), and the left side surface of the stabilizing seat (10) is fixedly connected to the inner side wall of the housing (1).

5. The engineering geological survey drilling rig according to claim 3, characterized in that: An auxiliary bearing (11) is arranged below the large gear (9), and the auxiliary bearing (11) is fixedly embedded in the bottom surface of the housing (1), and the inner wall of the inner ring of the auxiliary bearing (11) is fixedly connected to the outer surface of the drill rod (2).

6. The engineering geological survey drilling rig according to claim 1, characterized in that: The upper surface of the liquid storage box (302) is fixedly connected to a liquid adding pipe (12), and the top end of the liquid adding pipe (12) passes through the shell (1) and is clamped with a dust plug (13).

7. The engineering geological survey drilling rig according to claim 1, characterized in that: The back side of the gear pump (310) is fixedly connected to a fixing plate (14), and the back side of the fixing plate (14) is fixedly connected to the inner wall of the housing (1).

Images