CN210918892U

CN210918892U - Portable drilling machine for light well point dewatering

Info

Publication number: CN210918892U
Application number: CN201921948793.4U
Authority: CN
Inventors: 刘艳军; 李昌成; 孟利峰; 王志强; 佘兴盛
Original assignee: China Lustrong Group Co ltd
Current assignee: China Lustrong Group Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-03
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to a light-duty well point dewatering construction technology specifically is a portable rig that is used for light-duty well point dewatering. The technical problems of heavy weight, inconvenient movement and operation of the existing light well point dewatering pore-forming equipment are solved. A portable drilling machine for light well point dewatering comprises a disc operating handrail, wherein a bearing seat is supported in the center of the disc operating handrail through a support frame, and a central bearing is installed inside the bearing seat; the inner ring of the central bearing is fixedly connected with a drill rod; a gear sheath is further connected in the disc operating handle, a working gear fixedly sleeved at the position of the drill rod below the central bearing is arranged in the gear sheath, and a transmission bearing is further supported in the gear sheath through a support; the top end of the drill rod extends out of the top of the bearing seat and is connected with a water inlet pipe through a rotary joint; the disc operation handrail is also provided with a motor in a supporting way, and an output shaft of the motor is connected with a rotating shaft of the second transmission gear.

Description

Portable drilling machine for light well point dewatering

Technical Field

The utility model relates to a light-duty well point dewatering construction technology specifically is a portable rig that is used for light-duty well point dewatering.

Background

At the present stage, the light well point dewatering pore-forming equipment generally adopts a long spiral drilling machine or a rotary drilling machine, when water is accumulated on a construction site, the site is muddy and not level, a conventional drilling machine cannot be placed, and the conventional drilling machine is heavy and inconvenient to move, so that an operator is difficult to complete drilling operation.

Disclosure of Invention

The utility model discloses a solve present light-duty well point precipitation pore-forming equipment heavy, remove, the inconvenient technical problem of operation, provide a portable rig for light-duty well point precipitation.

The utility model discloses an adopt following technical scheme to realize: a portable drilling machine for light well point dewatering comprises a disc operating handrail, wherein a bearing seat is supported in the center of the disc operating handrail through a support frame, and a central bearing is installed inside the bearing seat; the inner ring of the central bearing is fixedly connected with a hollow drill rod which is coaxial with the disc operating handrail and the front end of which is connected with a drill bit; a gear sheath is further connected in the disc operating handle, a working gear fixedly sleeved at the position of the drill rod below the central bearing is arranged in the gear sheath, and a transmission bearing is further supported in the gear sheath through a support; the inner ring of the transmission bearing is fixedly connected with a rotating shaft, and a first transmission gear meshed with the working gear is fixed on the rotating shaft at a position extending out of the plane where the transmission bearing is located; the top end of the drill rod is connected with a water inlet pipe through a rotary joint; the disc operation handrail is further provided with a motor in a supporting mode, and an output shaft of the motor is fixedly connected with a second transmission gear which is meshed with the first transmission gear.

When carrying out light-duty well point precipitation pore-forming effect, the hand disc operation handrail of an operating personnel keeps the level, aims at the ground that needs to drill hole (mostly being full of muddy water) with the drill bit of the device, accomplishes the drilling, owing to there are two drive gear, and the drilling rod rotational speed is not fast, and whole device can remain stable through the hand holding of manpower. The water inlet pipe is connected with an external water pump to finish water delivery operation. After the operation of one point is finished, the robot is moved to the next operation point through manpower.

The utility model discloses an innovation point lies in this rig simple structure, light in weight, and convenient to carry does not receive the place restriction, and it is fast to punch, the operation of being convenient for.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic view of the top view structure of the present invention.

Fig. 4 is a second schematic perspective view of the present invention.

1-a disc operating handrail, 2-a support frame, 3-a bearing seat, 4-a drill rod, 5-a drill bit, 6-a gear sheath, 7-a working gear, 8-a first transmission gear, 9-a second transmission gear, 10-a rotary joint, 11-a water inlet pipe, 12-a motor, 13-an internal thread pipe hoop, 14-a connecting section, 15-a vertical frame, 16-a transmission bearing and 17-a connecting rod.

Detailed Description

As shown in fig. 1, a portable drilling machine for light well point dewatering comprises a disc operating handrail 1, wherein a bearing seat 3 is supported in the center of the disc operating handrail 1 through a support frame 2, and a central bearing is arranged in the bearing seat 3 (the central bearing is connected with the bearing seat through an outer ring); the inner ring of the central bearing is fixedly connected with a hollow drill rod 4 which is coaxial with the operation handrail and the front end of which is connected with a drill bit 5; a gear sheath 6 is further connected in the disc operating handle 1, a working gear 7 fixedly sleeved at a position of the drill rod 4 below the central bearing is arranged in the gear sheath 6, and a transmission bearing is further supported in the gear sheath 6 through a support (the support is connected with an outer ring of the transmission bearing); the inner ring of the transmission bearing is fixedly connected with a rotating shaft, and a first transmission gear meshed with the working gear is fixed on the rotating shaft at a position extending out of the plane where the transmission bearing is located; the first transmission gear 8 is meshed with the working gear 7; the top end of the drill rod 4 extends out of the top of the bearing housing 3 and is connected to a water intake pipe 11 by means of a rotary joint 10 (ensuring that the water intake pipe does not rotate with the rotation of the drill rod); the disc operating armrest 1 is also provided with a motor 12 in a supporting way, and the output shaft of the motor 12 is connected with the rotating shaft of the second transmission gear 9. The rotary joint is realized by adopting a rotary joint disclosed by Chinese patent (application number 201821946645.4). The outer sleeve of the rotary joint is fixed with the bearing seat or is connected with the bearing seat through other supports, the water pipe joint is connected with an external water inlet pipe, the drill rod joint is connected with the drill rod, and water flow can be conveyed to the drill rod and cannot hinder rotation of the drill rod.

The drive bearings are located above the first drive gears, respectively, only the drive gears being visible in fig. 1, and the drive bearings 16 being visible in fig. 4, which are supported by connecting rods 17 connected to the bearing blocks. The gear sheath plays a role in protecting and stabilizing the three gears.

In fig. 1 it can be seen that the drill rods 4 located below the disk-operated handrail 1 are lengthened by means of an internally threaded pipe clamp 13.

The motor 12 is a hand-held electric drilling machine and is arranged above the disc operating armrest 1.

The main devices of the drilling machine comprise a disc operating handrail, a large (working gear), a middle (transmission gear) gear, a small (gear driven by a hand-held electric drill), a hand-held electric drill, a bearing and the like. The disc operation handrail is convenient for an operator to operate, the hand-held electric drill drives the pinion to rotate, the pinion drives the middle gear, the middle gear drives the large gear, and the three gears are meshed with each other to serve as power to drive the drill rod to drill.

As can be seen from fig. 1 and 3, the disc operating armrest 1 is of a circular ring structure, a bearing seat 3 located at the center of the circular ring is fixed on the circular ring through three support frames 2 distributed at equal intervals, and the three support frames 2 are also connected with a gear sheath 6 located below the bearing seat 3 through connecting sections 14; the motor 12 is supported and fixed by a vertical frame 15 positioned on the circular ring and the support frame 2; the output shaft of the motor 12 is vertically connected with the rotating shaft of the second transmission gear 9 downwards.

The diameter of the disc operating handrail 1 is 40-60 cm, and the disc operating handrail is formed by bending and welding steel pipes with the outer diameter of 30 mm; the diameter of the working gear 7 is larger than that of the first transmission gear 8, and the diameter of the first transmission gear 8 is larger than that of the second transmission gear 9. This kind of structural design has guaranteed the utility model discloses a whole weight can be lifted by the manpower, and at the probing in-process, just can accomplish through an operating personnel, and another celebrity only needs to control the inlet tube well. Whole device simple structure, and the quality is lighter (about 10~15 kilograms), and the operation and removal of being convenient for just can quick travel and accomplish the operation through the manpower at the inconvenient work occasion that gets into of main equipment.

Claims

1. A portable drilling machine for light well point dewatering is characterized by comprising a disc operating armrest (1), wherein a bearing seat (3) is supported in the center of the disc operating armrest (1) through a support frame (2), and a central bearing is installed in the bearing seat (3); the inner ring of the central bearing is fixedly connected with a hollow drill rod (4) which is coaxial with the disc operating handrail (1) and the front end of which is connected with a drill bit (5); a gear sheath (6) is further connected in the disc operating handrail (1), a working gear (7) fixedly sleeved at the position, below the central bearing, of the drill rod (4) is arranged in the gear sheath (6), and a transmission bearing (16) is further supported in the gear sheath (6) through a support; a rotating shaft is fixedly connected to the inner ring of the transmission bearing (16), and a first transmission gear (8) meshed with the working gear (7) is fixed on the position, extending out of the plane of the transmission bearing (16), of the rotating shaft; the top end of the drill rod (4) is connected with a water inlet pipe (11) through a rotary joint (10); the disc operating armrest (1) is further provided with a motor (12) in a supporting mode, an output shaft of the motor (12) is fixedly connected with a second transmission gear (9), and the second transmission gear (9) is meshed with the first transmission gear (8).

2. Portable drilling machine for light well point precipitation according to claim 1, characterized in that the drive bearing (16) is located above the first drive gear (8).

3. A portable drilling machine for light well point precipitation according to claim 1 or 2, characterized in that the drill rods (4) are in sections and that each section is connected to each other by means of an internally threaded pipe clamp (13).

4. Portable drilling machine for light well point precipitation according to claim 1 or 2, characterized in that the motor (12) is a hand-held electric drilling machine, mounted above the puck-handling arm rest (1).

5. The portable drilling machine for light well point dewatering of claim 1 or 2, characterized in that the disc operating handle (1) is of a ring structure, the ring is fixed with a bearing seat (3) located at the center of the ring through three equally spaced support frames (2), and the three support frames (2) are further connected with a gear sheath (6) located below the bearing seat (3) through connecting sections (14); the motor (12) is supported and fixed through a vertical frame (15) positioned on the circular ring and the support frame (2); the output shaft of the motor (12) is vertically and downwards connected with the central rotating shaft of the second transmission gear (9).

6. The portable drilling machine for light well point dewatering of claim 5, characterized in that the diameter of the disc operating handrail (1) is 40-60 cm, and the disc operating handrail is formed by bending and welding steel pipes with the outer diameter of 30 mm; the diameter of the working gear (7) is larger than that of the first transmission gear (8), and the diameter of the first transmission gear (8) is larger than that of the second transmission gear (9).