KR200448907Y1 - Lower roller for drilling - Google Patents

Lower roller for drilling Download PDF

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Publication number
KR200448907Y1
KR200448907Y1 KR20100003671U KR20100003671U KR200448907Y1 KR 200448907 Y1 KR200448907 Y1 KR 200448907Y1 KR 20100003671 U KR20100003671 U KR 20100003671U KR 20100003671 U KR20100003671 U KR 20100003671U KR 200448907 Y1 KR200448907 Y1 KR 200448907Y1
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KR
South Korea
Prior art keywords
roller
drilling
bearing housing
lower roller
drilling machine
Prior art date
Application number
KR20100003671U
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Korean (ko)
Inventor
김경호
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김경호
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Priority to KR20100003671U priority Critical patent/KR200448907Y1/en
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Publication of KR200448907Y1 publication Critical patent/KR200448907Y1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/14—Arrangement, location, or adaptation of rollers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

The present invention is a technology related to the drilling machine used for groundwater development or geological survey, and it prevents the central axis of the lower roller from being bent or worn due to the load of the drilling machine, thus increasing the durability and reliability of the product, The present invention relates to a lower roller for drilling which significantly reduces maintenance costs.
The main configuration according to the embodiment of the present invention is mounted on the traveling device installed on the lower portion of the drilling machine to the lower roller for drilling implemented as a pair of support rollers and bearing housings and a central axis to mutually coupled to guide the movement of the caterpillar In; The support roller is formed in the tapered shape of the fastening groove in the boss while extending to the fastening groove, the binding portion protrudes to one side, the reinforcing ribs are formed at regular intervals on the boss and the inner peripheral surface, the bearing housing is supported at both ends The insertion part is formed to have a predetermined length so as to have a smaller outer diameter than the center part so as to be inserted into the binding part of the roller, and a plurality of bearings and oil seals are installed inside each side, and the central axis is rotatably coupled to the bearing housing. Tapered parts and bolts are formed at both sides to be axially coupled to the fastening grooves of the roller supporting rollers, and the lengths of the supporting rollers and the bearing housings are formed to have a length of at least 2/3 of the width of the caterpillar. It is done.

Description

Drilling lower rollers {Drilling for the lower rollers}

The present invention is a technology related to a drilling machine used for groundwater development or geological survey, and more specifically, both ends of the bearing housing are fitted in a state of being inserted into a supporting roller, and a plurality of bearings are provided inside the bearing housing. The built-in installation and the support roller are firmly fixed by being fitted to the tapered part of the central shaft, thereby preventing the central shaft from bending or wearing due to the load of the drilling machine, thereby increasing the durability and reliability of the product, and greatly reducing the maintenance and repair costs. It relates to a lower roller for drilling.

In general, a drilling machine used for groundwater development or geological survey includes a traveling device equipped with an engine and a hydraulic device that can be moved independently, a main body installed above the traveling device, and a movable device mounted on the main body. It is divided into a drilling actuator, a winch and a hoist for lifting the drilling rod.

In the conventional drilling machine, the traveling device is located on the front of the vehicle body and is installed on the drive shaft of the hydraulic motor to drive the crawler, a support wheel installed at the rear of the vehicle to support the track, and is installed at the lower side of the vehicle body. It consists of a number of lower rollers that guide the movement of the caterpillar.

In the traveling device, the lower roller has a pair of support rollers for supporting the endless track, a bearing housing disposed between the support rollers and fixedly installed on the frame, and a bearing housing such that the pair of support rollers are rotatably coupled to the bearing housing. And a central axis axially coupled through the support roller.

In the above, the conventional lower roller is not custom designed to fit the weight of the drilling machine due to the cost burden and cumbersome work according to the separate mold design in the manufacturing process, and is used as it is by applying the lower roller used in the conventional agricultural combine to the drilling machine. I'm doing it.

Therefore, the weight of the drilling machine is much heavier than that of agricultural combines, leading to the breakage of parts such as the central axis being easily bent or broken, and in this case, the drilling is difficult to move, and the drilling work is impossible due to the weight of the drilling machine. There was a problem that should be replaced often by increasing the wear of the roller and the caterpillar.

In particular, when the lower roller, which has a significantly smaller width than the endless track of the drill, guides while supporting only the central portion of the endless track, when moving a narrow road with the drill, the outer side of the trackless which the lower roller does not support There was a problem that the inclined to one side, overturned overturned over the overturned, and this is not only because the drilling operation is not performed, but also the maintenance costs are increased due to the damage of various other parts.

The present invention has been devised to improve the problems that various parts are damaged such as the central axis is easily bent or broken due to the weight of the conventional drilling machine, and that the lower roller and the caterpillar are easily worn while the maintenance and repair costs are increased. As a technology, both ends of the bearing housings are inserted into the support rollers and inserted in the inserted state in order to prevent the central axis from bending or wear due to the load of the drilling machine to increase the durability and reliability of the product and to significantly reduce the maintenance and repair costs. It is an object of the present invention to provide a lower roller for drilling, in which a plurality of bearings are installed inside the bearing housing while the support roller is fitted to the tapered portion of the central shaft to be firmly installed.

In addition, the lower roller, not the central axis, receives the load of the drilling machine, which prevents damage to various parts and prevents bending of the central axis, minimizing wear, and furthermore, forming the lower roller to make contact area with the infinite track. The object of the present invention is to provide a lower roller for drilling, which can be configured to allow long-distance movement while preventing the tipping of the drilling machine during movement.

The present invention is to realize the desired purpose as described above,

In the drilling rollers mounted on the traveling device installed on the lower portion of the drilling machine to implement a pair of support rollers and bearing housings and a central axis for coupling them to each other;

The support roller is formed in the tapered shape of the fastening groove in the boss while extending to the fastening groove, the binding portion protrudes to one side, the reinforcing ribs are formed at regular intervals on the boss and the inner peripheral surface, the bearing housing is supported at both ends The insertion part is formed to have a predetermined length so as to have a smaller outer diameter than the center part so as to be inserted into the binding part of the roller, and a plurality of bearings and oil seals are installed inside each side, and the central axis is rotatably coupled to the bearing housing. Tapered parts and bolts are formed at both sides to be axially coupled to the fastening grooves of the roller supporting rollers, and the lengths of the supporting rollers and the bearing housings are formed to have a length of at least 2/3 of the width of the caterpillar. It is done.

According to an embodiment of the present invention, both ends of the bearing housing are coupled in the inserted state inserted into the support roller, a plurality of bearings are built in the inside of the bearing housing while the support roller is fitted firmly fixed to the tapered portion of the central shaft By doing so, the central axis is prevented from being bent or worn out due to the load of the drilling machine, thereby increasing the durability and reliability of the product, and significantly reducing maintenance and repair costs.

In addition, the embodiment of the present invention prevents damage to the various parts and bending of the central axis to reduce the wear of the lower roller and the caterpillar as much as possible, and the lower roller is formed long, so that the contact area with the caterpillar can be moved long distance, while drilling It is to provide the effect of preventing the rollover accident.

1 is a front view showing a traveling device of the drilling machine in an embodiment of the present invention.
Figure 2 is a main side cross-sectional view showing the lower roller and the caterpillar in the embodiment of the present invention.
Figure 3 is a perspective view of the lower roller in the embodiment of the present invention.
Figure 4 is a cross-sectional view showing a lower roller in an embodiment of the present invention.
Figure 5 is a plan sectional view showing the installation state of the lower roller in the embodiment of the present invention.
Figure 6 is a side cross-sectional view showing an installation state of the lower roller in the embodiment of the present invention.

In the embodiment of the present invention, the main gist of both ends of the bearing housing is coupled to the inserted state inserted into the support roller, a plurality of bearings are installed inside the bearing housing while the support roller is firmly fixed to the tapered portion of the central shaft By being installed, since the central axis is prevented from being bent or worn out due to the load of the drilling machine, the durability and reliability of the product are increased, and the maintenance and repair costs are greatly reduced.

Next, looking at the main configuration of the lower roller for drilling in accordance with an embodiment of the present invention, mounted on the traveling device 20 installed in the lower portion of the drilling machine 10 is a pair of support rollers to guide the movement of the caterpillar 21 ( 30) in the lower roller for the drilling implemented with a bearing housing (40) and a central axis (50) for mutual coupling thereof; The support roller 30 has a fastening groove 32 formed in a tapered shape on the inside of the boss 31 while extending to the fastening groove 32 so that the binding portion 33 protrudes to one side, and the boss 31. Reinforcing ribs 34 are formed at regular intervals on the inner and outer circumferential surfaces, and the bearing housing 40 has a predetermined length such that both ends thereof have a smaller outer diameter than the central portion so that both ends thereof are inserted into the binding portions 33 of the support roller 30. Furnace insert 41 is formed, a plurality of bearings 42 and the oil chamber 43 is installed inside each side, the central shaft 50 is rotatably coupled to the bearing housing 40 A tapered portion 51 and a bolt 52 are formed at both sides to be axially coupled to the fastening groove 32 of the support roller 30, and the length of the support roller 30 and the bearing housing 40 is an endless track. It is formed so as to have a length of at least 2/3 or more compared with the range of (21).

In the embodiment of the present invention, the lower roller for drilling is a roller mounted on the traveling device 20 installed at the lower part of the drilling machine 10, and in the drawing as shown in FIGS. 1 to 2, the endless track 21 in the traveling device 20. A pair of support rollers 30 and a bearing housing 40 to guide the movement of the bearing housing 40 and a central axis 50 coupled to each other are implemented.

In the traveling device 20, the endless track 21 is made of a rubber material, and one side is inserted into the endless track 21, and the core 22 is coupled so that the other side protrudes to the outside, and the core A central portion protruding outward from the 22 is located in between the support rollers 30 provided as a pair to guide the movement of the caterpillar 21.

In the above support roller 30 is a cylindrical roller formed to have a considerable width, as shown in Figures 3 to 4 in the drawing, the boss 31 is formed with a fastening groove 32 in the center, the fastening groove 32 ) Is formed in a tapered shape, the tapered portion 51 of the central axis 50 is fitted and axially coupled.

Here, the support roller 30 extends to the fastening groove 32 formed in the boss 31 so that the binding portion 33 protrudes to one side, and is formed on the inner circumferential surface of the boss 31 on the opposite side of the binding portion 33. Reinforcing ribs 34 are formed at regular intervals, in which the binding portion 33 is formed to protrude in a circular frame shape larger than the inner diameter of the fastening groove 32.

Reinforcing ribs 34 in the support roller 30 at regular intervals so that both sides are supported on the boss 31 and the inner circumferential surface, respectively, so as to increase durability so that the support roller 30 is not easily damaged due to the load of the drilling machine 10. Preferably formed.

Therefore, since the support roller 30 is supported by a plurality of reinforcing ribs 34 on the inner circumferential surface thereof, the support roller 30 is not easily damaged by effectively responding to the load or the pressure applied during the long distance movement.

In addition, the bearing housing 40 in the insert portion 41 is formed at both ends to be inserted into the binding portion 33 of the support roller 30 is provided with a pair of both ends, the insertion portion 41 is A plurality of bearings 42 and oil chambers 43 are respectively installed deeply inside the formed both sides, and the inserting portion 41 is formed to have a predetermined length so as to have an outer diameter smaller than the center portion.

The outer diameter of the insertion portion 41 formed at both ends of the bearing housing 40 is formed smaller than the inner diameter of the binding portion 33 in the support roller 30 so that the insertion portion 41 is fitted to the binding portion 33. Is configured to be inserted, the outer periphery of the central portion in the bearing housing 40 is extended to both outer sides, fastening holes 44 are formed on both sides.

In addition, the central shaft 50 is inserted into the bearing housing 40 in which the bearing 42 and the oil chamber 43 are installed therein and rotatably coupled, and tapered portions 51 and bolts 52 are formed on both sides thereof. Here, the tapered portion 51 is fitted into the coupling groove 32 formed in the boss 31 of the support roller 30 and is axially coupled while the nut 53 is coupled to the bolt 52 so that the support roller 30 is centered. It is firmly fixed to the shaft 50.

On the other hand, the embodiment of the present invention is preferably formed to have a length of the support roller 30 and the bearing housing 40 to have a length of at least 2/3 or more compared to the width of the endless track 21, in this case the endless track ( 21) widen the support area of the support roller 30, so that the drilling roller 10 does not support the support roller 30 on the ground when moving the narrow road or the winding irregular road, that is, drilling ( 10) can be prevented from overturning to one side, thereby significantly reducing the maintenance and repair costs for the use of the drilling machine, such as repair costs.

Looking at the installation state of the lower roller for drilling according to an embodiment of the present invention made in this configuration, the lower roller is a bearing 42 and the oil chamber so as to penetrate the center portion of the bearing housing 40 as shown in Figure 5 to 6 A central shaft 50 is fitted to the 43 so as to be rotatably mounted, and a pair of supporting rollers 30 are installed at both ends of the bearing housing 40 and the central shaft 50, wherein the supporting rollers 30 are Fastening grooves 32 of the support rollers 30 to the tapered portion 51 and the bolts 52 of the central shaft 50 with the insertion portion 41 of the bearing housing 40 inserted into the binding portion 33. ) And the lower roller is assembled by fastening the nut 53 to the bolt 52.

The lower roller assembled as described above is fixed to the frame 23 in the traveling device 20 of the drilling machine, and the fastening bolt 24 is fitted into the fastening hole 44 formed on both sides of the bearing housing 40 so that the frame 23 It is fixedly installed at the lower part of the lower roller, and the lower roller guides the movement of the caterpillar 21 while rotating on the caterpillar 21 during the driving of the drilling machine.

As the insertion portion 41 of the bearing housing 40 is coupled to the central shaft 50 in a state of being inserted into the binding portion 33 of the support roller 30, the load of the drilling machine 10 is centered on the central shaft ( By applying to the support roller 30 and the bearing housing 40, including the 50), it is possible to prevent the problems often occur in the existing lower roller for drilling (phenomena of bending or breaking the central axis), and also the central axis Since the warpage does not occur at 50, wear of the crawler 21 in contact with the support roller 30 can be significantly reduced.

In addition, in the embodiment of the present invention, the lower roller for drilling is an endless track 21 moving by the driving device 20, the support roller 30 is supported by the surface contact on the endless track 21 endless track 21 ) Guides the movement of the bearing housing 40 to block the pressure applied to the central shaft 50 in a state coupled to the support roller 30 to prevent breakage or bending of the central shaft 50. The replacement cost of the parts and the wear of the crawler 21 is significantly reduced to reduce the maintenance and repair costs.

Meanwhile, since the lower roller according to the embodiment of the present invention has a wider width and can be widely supported while guiding the movement of the caterpillar 21, a long distance movement of the drilling machine is possible, and only a part of the caterpillar 21 is mistaken by a driver. Even if it is in contact with the ground, it does not fall easily to the side, which can significantly reduce the repair cost compared to the existing lower rollers.

The preferred embodiments of the present invention have been described above with reference to the present invention, and are not limited to the above embodiments, and those skilled in the art to which the present invention pertains through the above embodiments do not depart from the gist of the present invention. Can be implemented in a variety of changes.

10: drilling 20: traveling device
21: Caterpillar 22: Heart
23: frame 30: support roller
31: Boss 32: Fastening Groove
33: binding part 34: reinforcing rib
40: bearing housing 41: insert
42: bearing 43: oil seal
44: fastener 50: central axis
51: taper portion 52: bolt

Claims (2)

A pair of support rollers 30 and bearing housings 40 and support rollers 30 and bearing housings 40 are mounted on the traveling device 20 installed below the drilling machine 10 to guide the movement of the caterpillar 21. In the lower roller for the drilling implemented by a central axis (50) for coupling each other;
The support roller 30 has a fastening groove 32 formed inside the boss 31 while extending to the fastening groove 32 so that the binding portion 33 protrudes to one side, and is formed on the boss 31 and the inner circumferential surface thereof. Reinforcing ribs 34 are formed at regular intervals,
The bearing housing 40 is formed with a predetermined length such that both ends of the bearing housing 40 has a smaller outer diameter than that of the center portion so as to be inserted into the binding portion 33 of the support roller 30, and a plurality of inner portions of the bearing housing 40 are formed on both sides. Bearings 42 and oil chamber 43 are installed therein,
The central shaft 50 is inserted into the fastening groove 32 of the support roller 30 in a state rotatably coupled to the bearing housing 40, and tapered portions 51 and bolts 52 are formed at both sides thereof to be axially coupled thereto. ,
In the above, the length of the support roller 30 and the bearing housing 40, the lower roller for drilling, characterized in that formed to have a length of at least 2/3 or more than the width of the caterpillar (21).
The method of claim 1;
The fastening groove 32 formed in the boss 31 of the support roller 30 is formed in a tapered shape so that the tapered portion 51 of the central shaft 50 is fitted and axially coupled to the lower roller for drilling.
KR20100003671U 2010-04-08 2010-04-08 Lower roller for drilling KR200448907Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR20100003671U KR200448907Y1 (en) 2010-04-08 2010-04-08 Lower roller for drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20100003671U KR200448907Y1 (en) 2010-04-08 2010-04-08 Lower roller for drilling

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KR200448907Y1 true KR200448907Y1 (en) 2010-06-07

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KR20100003671U KR200448907Y1 (en) 2010-04-08 2010-04-08 Lower roller for drilling

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6216571A (en) 1985-07-15 1987-01-24 Sharp Corp Structure of pnp transistor in photothyristor
US5899542A (en) 1997-02-14 1999-05-04 Case Corporation Support system for roller wheels of rubber tracked vehicle
JP2008222131A (en) 2007-03-14 2008-09-25 Mitsubishi Agricult Mach Co Ltd Crawler traveling device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6216571A (en) 1985-07-15 1987-01-24 Sharp Corp Structure of pnp transistor in photothyristor
US5899542A (en) 1997-02-14 1999-05-04 Case Corporation Support system for roller wheels of rubber tracked vehicle
JP2008222131A (en) 2007-03-14 2008-09-25 Mitsubishi Agricult Mach Co Ltd Crawler traveling device

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