CN216277659U

CN216277659U - Vertical shaft drilling machine

Info

Publication number: CN216277659U
Application number: CN202122815559.8U
Authority: CN
Inventors: 王安元; 罗诗伟; 白宁博; 吴超; 赵繁; 刘虎岗; 王磊; 胡丹; 王栋
Original assignee: Shaanxi Hechang Electronical Mechine Equipment Co ltd
Current assignee: Shaanxi Hechang Electronical Mechine Equipment Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-12
Anticipated expiration: 2031-11-17

Abstract

The utility model belongs to the technical field of exploration, and relates to a vertical shaft drilling machine which comprises a rack, a driving mechanism and a drilling mechanism, wherein a fixed pulley is arranged on the top of the rack, a tension sensor is arranged at the wheel shaft of the fixed pulley, a limit sensor is arranged on the rack below the fixed pulley, and a steel cable penetrates through the limit sensor when sliding up and down; the driving mechanism and the drilling mechanism are driven by gears, the drilling mechanism is provided with a drill rod, the drill rod is provided with a gear box, the gear box is provided with a rotating speed sensor for measuring the rotating speed of the drill rod, and the gear box is internally provided with an axial feeding speed sensor for measuring the axial feeding amount of the drill rod; according to the utility model, through the tension sensor and the limit sensor, when the tension at the wheel shaft is too large or the hook rises to the height of the limit sensor, the alarm information is sent in time, so that the driving of the driving mechanism is stopped, and the occurrence of serious safety accidents such as drill tower overturn, breakage and the like caused by the existing drilling machine non-drill tower overload protection system is effectively prevented.

Description

Vertical shaft drilling machine

Technical Field

The utility model belongs to the technical field of exploration and relates to a vertical shaft drilling machine.

Background

The existing landing drilling machine and trailer drilling machine of the main nuclear industry exploration equipment have the current situations of low drilling efficiency and multiple equipment potential safety hazards. The phenomena of personal safety accidents, in-hole accidents, equipment accidents and drilling quality accidents are caused frequently; after the root, the potential safety hazard of the drilling machine is mainly shown in the following aspects:

1. blind drilling: the drilling machine operator is difficult to know the drilling condition, the in-hole condition, the mud condition and the like, such as the current main drilling technical parameters of vertical shaft torque, vertical shaft rotating speed, drilling pressure, pumping pressure, current footage speed, pressurization, pressure reduction drilling and the like, and the operator can not visually know the main drilling technical parameters, and can only operate the drilling machine by blind drilling according to experience, so that the drilling quality does not reach the standard, and the in-hole accidents are frequent;

2. the equipment safety protection measures are few, and the potential safety hazard is many: the concrete expression is as follows: A. the drilling tower-free overload protection system of the old-fashioned drilling machine is easy to cause serious safety accidents such as the overturning and the breaking of the drilling tower; B. the drilling tower is not provided with a hook limiting and over-lifting prevention safety system, so that the whole drilling machine frame is easy to collapse due to the over-position overturning of the hook, and a major safety accident is caused; C. the real torque of the vertical shaft is unknown, the bit pressure is unknown, the drilling speed is unknown, and the like, so that the condition in the hole is difficult to know, and the bright and white drilling can not be realized.

Therefore, a drilling machine with higher safety and better operation perception is urgently needed.

Disclosure of Invention

The technical scheme adopted by the utility model for solving the technical problem is as follows: a vertical shaft drilling machine comprises a frame, a driving mechanism and a drilling mechanism, wherein a fixed pulley is arranged on the top of the frame, a steel cable is wound on the fixed pulley, a big hook is hung at the bottom end of the steel cable, a tension sensor is arranged at the wheel shaft of the fixed pulley, a limit sensor is arranged on the frame below the fixed pulley, and the steel cable penetrates through the limit sensor when sliding up and down; the driving mechanism and the drilling mechanism are driven by gears, the drilling mechanism is provided with a drill rod, the drill rod is provided with a gear box, the gear box is provided with a rotating speed sensor for measuring the rotating speed of the drill rod, and the gear box is internally provided with an axial feeding speed sensor for measuring the axial feeding amount of the drill rod; the tension sensor is used for monitoring the load of the steel cable in real time to prevent the overload of the tension direction, and the limit sensor is used for monitoring the rising height of the hook in real time to prevent the whole drilling machine frame from collapsing due to the fact that the hook is lifted and overturned.

Preferably, the tension sensor is a plate-ring type tension sensor.

Preferably, the limiting sensor is provided with a first limiting sensor and a second limiting sensor from bottom to top respectively, the first limiting sensor realizes an alarm function, the second limiting sensor realizes a shutdown function, the shutdown is performed after the alarm, and the operation is safer and more convenient.

Preferably, the rotating speed sensor is a hall sensor.

Preferably, the axial feed speed sensor is a pull wire sensor.

Preferably, the driving mechanism is internally driven by oil pressure, and the driving mechanism is used for conveying the transmission oil from the upper cavity to the lower cavity through the driving cavity and then returning the transmission oil to the driving cavity to complete an oil pressure transmission cycle.

Preferably, a first oil pressure sensor is arranged in the driving cavity of the oil pressure drive.

Preferably, a second oil pressure sensor is arranged in the upper cavity driven by oil pressure.

Preferably, a third oil pressure sensor is arranged in the lower cavity of the oil pressure drive.

Preferably, an oil temperature sensor is arranged on a driving cavity of the driving mechanism.

The utility model has the beneficial effects that:

1. according to the utility model, the tension sensor is arranged at the wheel shaft of the fixed pulley on the top of the frame, the limit sensor is arranged on the frame below the fixed pulley, and meanwhile, the limit sensor is arranged to be limited by the first limit sensor and the second limit sensor in two stages, when the tension at the wheel shaft is overlarge or the hook rises to the height of the limit sensor, the alarm information is sent out in time, and then the driving of the driving mechanism is stopped, so that the occurrence of serious safety accidents such as the overturning and the breaking of a drilling tower caused by an overload protection system without the drilling tower of the existing drilling machine is effectively prevented, and the frame of the whole drilling machine is prevented from collapsing caused by the overlarge overturning caused by the position limitation of the hook and the overload protection system of the existing drilling machine.

2. According to the utility model, oil pressure driving is adopted in the driving mechanism, oil pressure sensors are respectively arranged in the driving cavity, the upper cavity and the lower cavity, and an oil temperature sensor is also arranged in the driving cavity, so that the oil temperature and the oil pressure in the driving cavity and the oil pressure in the upper cavity and the lower cavity are monitored in real time, and the torque on the drill rod is further mastered in real time.

3. According to the utility model, the rotating speed sensor and the axial feeding speed sensor are arranged at the gear box, so that the bit pressure and the drilling speed of the drill rod are monitored in real time, the drilling condition in the drill hole is further known, and the operation of an operator is simpler, safer and more visual.

Drawings

FIG. 1 is a schematic elevation view of a vertical shaft drilling rig;

FIG. 2 is a schematic side view;

FIG. 3 is an enlarged view of a portion of FIG. 1;

FIG. 4 is a partial enlarged view of FIG. 1 taken along line B;

FIG. 5 is an enlarged view of a portion of FIG. 1 taken along line C;

fig. 6 is a partially enlarged view of fig. 1 taken along line D.

In the figure: 1. a frame; 2. a drive mechanism; 3. a drilling mechanism; 4. a fixed pulley; 5. a steel cord; 6. a big hook; 7. a tension sensor; 8. a limit sensor; 9. a drill stem; 10. a gear case; 11. a rotational speed sensor; 12. an axial feed speed sensor; 13. a first limit sensor; 14. a second limit sensor; 15. a first oil pressure sensor; 16. a second oil pressure sensor; 17. a third oil pressure sensor; 18. an oil temperature sensor.

Detailed Description

The related art in the present invention will be described clearly and completely with reference to the accompanying drawings in the following embodiments, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a vertical shaft drilling machine comprises a frame 1, a driving mechanism 2 and a drilling mechanism 3, wherein a fixed pulley 4 is arranged on the top of the frame 1, a steel cable 5 is wound on the fixed pulley 4, a big hook 6 is hung at the bottom end of the steel cable 5, a tension sensor 7 is arranged at the wheel axle of the fixed pulley 4, a limit sensor 8 is arranged on the frame below the fixed pulley 4, and the steel cable 5 penetrates through the limit sensor 8 when sliding up and down; the driving mechanism 2 and the drilling mechanism 3 are driven by gears, the drilling mechanism 3 is provided with a drill rod 9, the drill rod is provided with a gear box 10, the gear box 10 is provided with a rotating speed sensor 11 for measuring the rotating speed of the drill rod 9, and the gear box 10 is internally provided with an axial feeding speed sensor 12 for measuring the axial feeding amount of the drill rod 9; the tension sensor 7 is used for monitoring the load of the steel cable 5 in real time to prevent the overload of the tension direction, and the limit sensor 8 is used for monitoring the ascending height of the hook 6 in real time to prevent the whole drilling machine frame from collapsing due to the fact that the hook 6 is lifted and overturned.

Further, the tension sensor 7 is a plate ring type tension sensor.

Further, the limit sensor 8 is provided with a first limit sensor 13 and a second limit sensor 14 in two-stage limiting mode from bottom to top, the first limit sensor 13 achieves an alarm function, the second limit sensor 14 achieves a shutdown function, the shutdown is achieved after the alarm is given out, and the operation is safer and more convenient.

Further, the rotation speed sensor 11 is a hall sensor.

Further, the axial feeding speed sensor 12 is a pull wire sensor.

Furthermore, the driving mechanism 2 is driven by oil pressure, and the driving mechanism 2 pumps the transmission oil from the upper cavity to the lower cavity through the driving cavity and then returns to the driving cavity to complete an oil pressure transmission cycle.

Furthermore, a first oil pressure sensor 15 is arranged in the driving cavity of the oil pressure drive.

Further, a second oil pressure sensor 16 is provided in the upper chamber of the oil pressure drive.

Further, a third oil pressure sensor 17 is provided in the lower chamber of the oil pressure drive.

Furthermore, an oil temperature sensor 18 is disposed on the driving chamber of the driving mechanism 2.

In conclusion, the utility model provides the vertical shaft drilling machine, the tension sensor and the limit sensor are arranged on the rack, when the tension at the wheel shaft is overlarge or the big hook rises to the height of the limit sensor, the alarm information is sent in time, and then the driving of the driving mechanism is stopped, so that the occurrence of serious safety accidents such as the overturning and the breaking of a drilling tower caused by the existing drilling machine non-drilling tower overload protection system is effectively prevented, and the vertical shaft drilling machine has wide application prospect.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A vertical shaft drilling machine comprises a rack (1), a driving mechanism (2) and a drilling mechanism (3), and is characterized in that a fixed pulley (4) is arranged on the top of the rack (1), a steel cable (5) is wound on the fixed pulley (4), a big hook (6) is hung at the bottom end of the steel cable (5), a tension sensor (7) is arranged at the wheel shaft of the fixed pulley (4), a limit sensor (8) is arranged on the rack below the fixed pulley (4), and the steel cable (5) penetrates through the limit sensor (8) when sliding up and down;

the drilling mechanism is characterized in that a gear is adopted between the driving mechanism (2) and the drilling mechanism (3) for driving, the drilling mechanism (3) is provided with a drill rod (9), the drill rod is provided with a gear box (10), the gear box (10) is provided with a rotating speed sensor (11) for measuring the rotating speed of the drill rod (9), and the gear box (10) is internally provided with an axial feeding speed sensor (12) for measuring the axial feeding amount of the drill rod (9).

2. A vertical shaft drilling machine according to claim 1, characterized in that the tension sensor (7) is a plate-and-ring type tension sensor.

3. A vertical shaft drill according to claim 1, characterized in that the limit sensor (8) is provided with two-stage limits from bottom to top with a first limit sensor (13) and a second limit sensor (14), respectively.

4. A vertical shaft drilling machine according to claim 1, characterized in that the rotation speed sensor (11) is a hall sensor.

5. A vertical shaft drilling machine according to claim 1, characterized in that the axial feed speed sensor (12) is a wire sensor.

6. A vertical shaft drill according to claim 1 wherein the drive means (2) is internally driven by oil pressure, the drive means (2) effecting an oil pressure drive cycle by pumping drive oil from the upper chamber to the lower chamber through the drive chamber and then back to the drive chamber.

7. A vertical shaft drill according to claim 6 wherein a first oil pressure sensor (15) is provided in the drive chamber of the oil pressure drive.

8. A vertical shaft drill according to claim 6 wherein a second oil pressure sensor (16) is provided in the upper chamber of the oil pressure drive.

9. A vertical shaft drill according to claim 6 wherein a third oil pressure sensor (17) is provided in the lower chamber of the oil pressure drive.

10. A vertical shaft drilling machine according to claim 6, characterized in that an oil temperature sensor (18) is provided on the drive chamber of the drive mechanism (2).