CN219587507U

CN219587507U - Drilling device

Info

Publication number: CN219587507U
Application number: CN202320730997.0U
Authority: CN
Inventors: 李键阅; 王俊海; 何强; 袁星; 李志波; 陈超政; 赵志强; 曾勇生; 李文斌; 李强
Original assignee: China 19th Metallurgical Group Co ltd
Current assignee: China 19th Metallurgical Group Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-08-25
Anticipated expiration: 2033-04-04

Abstract

The utility model belongs to the technical field of drilling equipment for geotechnical engineering, and particularly relates to a drilling device. When the moving plate moves downwards and the drill rod moves downwards in a spiral manner, drilling operation is performed, water in the water tank is pumped out through the water pump and then sprayed out from the nozzle towards the drill rod, so that the drill rod can be cooled, and drilling operation is facilitated. When the moving plate moves upwards and the drill rod moves upwards in a spiral way, soil is carried on the drill rod, water in the water tank is pumped out through the water pump and then sprayed out from the nozzle towards the drill rod, and the soil on the drill rod is cleaned. Has the advantages of simple structure, convenient use, easy implementation, etc.

Description

Drilling device

Technical Field

The utility model belongs to the technical field of drilling equipment for geotechnical engineering, and particularly relates to a drilling device.

Background

Geotechnical engineering investigation is to find out, analyze, evaluate the activity of geology, environmental characteristic and geotechnical engineering condition establishment investigation file in construction site, is crucial to the building construction engineering, along with economic development, the city construction speed is accelerated, the building construction is more and more, geotechnical engineering investigation demand is increased gradually, need use drilling equipment to carry out the drilling work at the investigation during operation, drilling equipment belongs to the auxiliary device commonly used in geotechnical investigation at present.

The structure of the existing drilling device for geotechnical engineering, such as the China patent document with the authority bulletin number of CN214616508U, discloses a drilling device for geotechnical engineering investigation, which is provided with a sliding rod, a guide block, a guide plate, an air cylinder, a drill rod and a motor, wherein the air cylinder is started to work, the motor and the drill rod are driven to move up and down through the action of the sliding rod, the guide block and the guide plate, and then the rotating motor is started to drive the drill rod to rotate, so that the drill rod can penetrate into positions with different depths in the ground, and drilling work in the geotechnical investigation process is realized. After the drilling device is used, more soil is attached to the drill rod, and personnel are required to clean the drill rod and other parts independently, so that the next use of the drilling device is prevented from being influenced. Furthermore, the drill rod is directly exposed to the outside when not in use, and is easily damaged by false collision.

In order to clean the drill rod, chinese patent literature with an authorized bulletin number of CN218509419U discloses a drilling device for geotechnical engineering investigation, when the drill rod is lifted and reset, soil on the drill rod is scraped by a cleaning brush, so that the drill rod is cleaned. The cleaning brush has the defects of larger abrasion in the using process, frequent replacement and inconvenient use.

Disclosure of Invention

The utility model aims to provide a drilling device which is convenient to use.

The technical scheme adopted for solving the technical problems is as follows: the drilling device comprises a base, wherein a shell with a downward opening is connected to the base; a moving plate which is horizontally arranged is arranged in the shell, and a drill rod positioned below the moving plate is rotatably arranged on the moving plate; the movable plate is connected with the side wall of the shell through an up-down motion guide mechanism; the driving mechanism drives the moving plate to move upwards and the drill rod to move upwards spirally, or drives the moving plate to move downwards and the drill rod to move downwards spirally; the base is provided with a water tank and a water pump which are positioned outside the shell;

the water inlet of the water suction pump is communicated with the inner cavity of the water tank through a water inlet pipe, the water outlet of the water suction pump is connected with a water outlet pipe, a nozzle for spraying water towards the drill rod is arranged on the water outlet pipe, and the nozzle is positioned at the opening of the lower end of the shell.

Further, the driving mechanism comprises a driving motor;

the movable plate is provided with a first mounting hole and a second mounting hole which are arranged at intervals;

the upper end of the drill rod is connected with a rotating shaft coaxially arranged with the drill rod, a first bearing positioned in the first mounting hole is mounted on the moving plate, and the rotating shaft is rotatably mounted through the first bearing;

the driving motor is arranged on the moving plate through a mounting seat, and the shaft extension end of the driving motor is connected with the rotating shaft;

the screw rod passes through the second mounting hole on the moving plate and is positioned at one side of the drill rod;

a support plate positioned in the shell is connected to the opening at the lower end of the shell, and a passing interval for extending or retracting the drill rod is arranged between the support plate and the side wall of the shell; the upper end of the screw rod is connected with the shell, and the lower end of the screw rod is connected with the supporting plate;

an internal thread sleeve is arranged on the screw rod, a second bearing positioned in the second mounting hole is arranged on the moving plate, and the internal thread sleeve is rotatably arranged through the second bearing;

the rotating shaft is in transmission connection with the internal thread sleeve through a transmission mechanism.

Further, the transmission mechanism comprises a synchronizing wheel and a belt, and the synchronizing wheel and the belt are positioned above the moving plate;

the two synchronous wheels are arranged, one synchronous wheel is coaxially arranged on the rotating shaft, and the other synchronous wheel is coaxially arranged on the internally threaded sleeve; the belt is wound and installed through the two synchronous wheels.

Further, the up-and-down motion guide mechanism comprises a guide rod which is vertically arranged, the upper end of the guide rod is connected with the shell, and the lower end of the guide rod is connected with the supporting plate;

the guide rod passes through the moving plate and is in sliding fit with the moving plate.

Further, the up-and-down motion guiding mechanism comprises a sliding rail and a sliding block in sliding fit with the sliding rail;

the sliding rail is vertically arranged on the inner side wall of the shell, and the sliding block is arranged on the moving plate.

Further, the up-and-down motion guiding mechanism comprises a rack and a gear meshed with the rack;

the rack is vertically arranged on the inner side wall of the shell, and the gear is rotatably arranged on the movable plate through the gear seat.

Further, the device also comprises a telescopic rubber sleeve sleeved on the screw rod, and the telescopic rubber sleeve is positioned between the moving plate and the supporting plate;

the upper end of the telescopic rubber sleeve is connected with the movable plate, and the lower end of the telescopic rubber sleeve is connected with the supporting plate.

Further, a boss positioned in the shell is connected to the opening at the lower end of the shell, and the water outlet pipe is vertically arranged on the boss and has an installation interval with the side wall of the shell;

the upper end of the water outlet pipe is connected with a connecting pipe, and the connecting pipe penetrates through the side wall of the shell and is communicated with the water outlet of the water pump;

the water outlet pipe is positioned at one side of the drill rod opposite to the screw rod; the water outlet pipe penetrates through the movable plate and is in sliding fit;

the nozzle is arranged at the lower end of the water outlet pipe.

Further, the device also comprises a storage battery arranged on the base, and the driving motor and the water suction pump are electrically connected with the storage battery.

Further, a plurality of casters are installed at the bottom of the base.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a drilling device convenient to use. When the moving plate moves downwards and the drill rod moves downwards in a spiral manner, drilling operation is performed, water in the water tank is pumped out through the water pump and then sprayed out from the nozzle towards the drill rod, so that the drill rod can be cooled, and drilling operation is facilitated. When the moving plate moves upwards and the drill rod moves upwards in a spiral way, soil is carried on the drill rod, water in the water tank is pumped out through the water pump and then sprayed out from the nozzle towards the drill rod, and the soil on the drill rod is cleaned. Has the advantages of simple structure, convenient use, easy implementation, etc.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of section A of the present utility model;

reference numerals: 1-a base; 2-a housing; 3-a drill rod; 4-moving plate; 5-rotating shaft; 6-a screw; 7-telescoping rubber sleeve; 8-supporting plates; 9-an internally threaded sleeve; 10-synchronizing wheels; 11-a belt; 12-mounting seats; 13-a drive motor; 14-a water outlet pipe; 15-a water suction pump; 16-nozzles; 17-a water tank; 18-casters.

Detailed Description

The utility model will be further described with reference to the drawings and examples.

The drilling device comprises a base 1, wherein a shell 2 with a downward opening is connected to the base 1; a horizontally arranged moving plate 4 is arranged in the shell 2, and a drill rod 3 positioned below the moving plate 4 is rotatably arranged on the moving plate 4; the moving plate 4 is connected with the side wall of the shell 2 through an up-down motion guide mechanism; the device also comprises a driving mechanism, wherein the driving mechanism drives the moving plate 4 to move upwards and the drill rod 3 to move upwards spirally, or drives the moving plate 4 to move downwards and the drill rod 3 to move downwards spirally; the base 1 is provided with a water tank 17 and a water pump 15 which are positioned outside the shell 2; the water inlet of the water suction pump 15 is communicated with the inner cavity of the water tank 17 through a water inlet pipe, the water outlet of the water suction pump 15 is connected with a water outlet pipe 14, a nozzle 16 for spraying water towards the drill rod 3 is arranged on the water outlet pipe 14, and the nozzle 16 is positioned at the opening of the lower end of the shell 2.

The base 1 provides mounting support for the housing 2, the water tank 17 and the suction pump 15. The suction pump 15 may be mounted on the water tank 17 or on the housing 2. The traveling plate 4 provides rotational mounting support for the drill pipe 3. The driving mechanism drives the moving plate 4 to move upwards, the drill rod 3 to move upwards in a spiral mode, or drives the moving plate 4 to move downwards, and the drill rod 3 to move downwards in a spiral mode. When the moving plate 4 moves downwards and the drill rod 3 moves downwards in a spiral manner, drilling operation is performed, water in the water tank 17 is pumped out through the water pump 15 and then sprayed out from the nozzle 16 towards the drill rod 3, so that the drill rod 3 can be cooled, and drilling operation is facilitated. When the moving plate 4 moves upwards and the drill rod 3 moves upwards in a spiral way, soil is carried on the drill rod 3, water in the water tank 17 is pumped out through the water pump 15 and then sprayed out from the nozzle 16 towards the drill rod 3, and the soil on the drill rod 3 is cleaned. When the drill rod 3 is not in use, the drill rod 3 is retracted into the housing 2, and the housing 2 protects the drill rod 3. Has the advantages of simple structure, convenient use, easy implementation, etc. The nozzle 16 is preferably a high pressure nozzle, as is known in the art.

The base 1 has various structural forms, preferably adopts a horizontally arranged rectangular plate, and the lower end opening of the shell 2 corresponds to a window on the rectangular plate. Preferably, the base 1 is welded to the housing 2.

The driving mechanism has various embodiments, for example, the structure disclosed in the Chinese patent document with the authority publication number of CN218509419U in the background technology can be adopted, namely, a motor is matched with a hydraulic cylinder to drive the moving plate 4 to move upwards and the drill rod 3 to move upwards spirally, or the moving plate 4 to move downwards and the drill rod 3 to move downwards spirally.

Preferably, the driving mechanism comprises a driving motor 13; the moving plate 4 is provided with a first mounting hole and a second mounting hole which are arranged at intervals; the upper end of the drill rod 3 is connected with a rotating shaft 5 coaxially arranged with the drill rod, a first bearing positioned in the first mounting hole is mounted on the moving plate 4, and the rotating shaft 5 is rotatably mounted through the first bearing; the driving motor 13 is arranged on the moving plate 4 through the mounting seat 12, and the shaft extension end of the driving motor 13 is connected with the rotating shaft 5; the device further comprises a screw rod 6 which is vertically arranged, wherein the screw rod 6 passes through a second mounting hole on the moving plate 4 and is positioned at one side of the drill rod 3; a supporting plate 8 positioned in the shell 2 is connected to the opening at the lower end of the shell 2, and a passing interval for the extension or retraction of the drill rod 3 is arranged between the supporting plate 8 and the side wall of the shell 2; the upper end of the screw rod 6 is connected with the shell 2, and the lower end is connected with the supporting plate 8; an internally threaded sleeve 9 is arranged on the screw rod 6, a second bearing positioned in the second mounting hole is arranged on the moving plate 4, and the internally threaded sleeve 9 is rotatably arranged through the second bearing; the rotating shaft 5 is in transmission connection with the internally threaded sleeve 9 through a transmission mechanism.

The driving motor 13 is located inside the housing 2 and above the moving plate 4, and the driving motor 13 is mounted on the moving plate 4 through the mounting base 12. The mounting base 12 may be a riser or an L-shaped plate. The top wall of the housing 2 and the support plate 8 provide a connection support for the screw 6. The moving plate 4 provides rotational mounting support for the spindle 5 and the internally threaded sleeve 9. The internally threaded sleeve 9 is in threaded engagement with the screw 6. The driving motor 13 can realize forward rotation or reverse rotation, which is the prior art. The driving motor 13 drives the rotating shaft 5 to rotate, and then drives the drill rod 3 to rotate around the axis of the drill rod. The internal thread sleeve 9 is driven to axially rotate around the screw rod 6 under the transmission action of the transmission mechanism. And then the moving plate 4 moves upwards or downwards by the cooperation of the up-and-down movement guide mechanism.

The transmission mechanism has various structural forms, such as a gear pair. Preferably, the transmission mechanism comprises a synchronizing wheel 10 and a belt 11, and the synchronizing wheel 10 and the belt 11 are positioned above the moving plate 4; the two synchronizing wheels 10 are arranged, one synchronizing wheel 10 is coaxially arranged on the rotating shaft 5, and the other synchronizing wheel 10 is coaxially arranged on the internally threaded sleeve 9; the belt 11 is wound and installed through two synchronous wheels 10. The driving motor 13 drives the rotating shaft 5 to rotate, and then drives the synchronizing wheel 10 coaxially installed with the rotating shaft to rotate, and drives the synchronizing wheel 10 installed on the internally threaded sleeve 9 to rotate through the belt 11, so as to drive the internally threaded sleeve 9 to rotate.

The up-and-down motion guide mechanism has various specific embodiments:

in the first embodiment, the up-down motion guiding mechanism includes a guiding rod vertically arranged, the upper end of the guiding rod is connected with the housing 2, and the lower end of the guiding rod is connected with the supporting plate 8; the guide rod passes through the moving plate 4 and is in sliding fit with the moving plate 4.

In the second embodiment, the up-down motion guiding mechanism includes a sliding rail and a sliding block in sliding fit with the sliding rail; the sliding rail is vertically arranged on the inner side wall of the shell 2, and the sliding block is arranged on the moving plate 4.

In a third embodiment, the up-down motion guiding mechanism includes a rack and a gear meshed with the rack; the rack is vertically arranged on the inner side wall of the shell 2, and the gear is rotatably arranged on the moving plate 4 through the gear seat.

The three embodiments can guide the up-and-down motion of the moving plate 4.

In order to avoid that soil and muddy water are stuck on the screw rod 6, the movable plate comprises a movable plate 4 and a support plate 8, and preferably also comprises a telescopic rubber sleeve 7 sleeved on the screw rod 6, wherein the telescopic rubber sleeve 7 is positioned between the movable plate 4 and the support plate 8; the upper end of the telescopic rubber sleeve 7 is connected with the movable plate 4, and the lower end is connected with the supporting plate 8. The telescopic rubber sleeve 7 plays a role in protecting the screw rod 6, and mud and muddy water are prevented from adhering to the screw rod 6. The telescopic rubber sleeve 7 and the movable plate 4 can be fixed by bonding or by screws. The telescopic rubber sleeve 7 and the supporting plate 8 can be fixed by bonding or by screws. The telescopic rubber sleeve 7 is preferably made of rubber.

The water outlet pipe 14 has various arrangement forms, preferably, a boss positioned in the shell 2 is connected to the opening at the lower end of the shell 2, and the water outlet pipe 14 is vertically installed on the boss and has an installation interval with the side wall of the shell 2; the upper end of the water outlet pipe 14 is connected with a connecting pipe, and the connecting pipe penetrates through the side wall of the shell 2 and is communicated with the water outlet of the water pump 15; the water outlet pipe 14 is positioned at one side of the drill rod 3 opposite to the screw rod 6; the water outlet pipe 14 passes through the movable plate 4 and is in sliding fit; the nozzle 16 is mounted to the lower end of the outlet pipe 14. The boss is welded to the side wall of the housing 2 and provides a stable support for the outlet pipe 14, which should be avoided interfering with the extension or retraction of the drill rod 3. The upper and lower ends of the water outlet pipe 14 are connected with the side wall of the shell 2 through pipe clamps. The water pump 15 pumps out the water in the water tank 17, sequentially passes through the connecting pipe and the water outlet pipe 14, and is sprayed out from the nozzle 16 toward the drill pipe 3. The water outlet pipe 14 also plays a guiding role for the up-and-down movement of the moving plate 4.

The driving motor 13 and the water pump 15 can be connected with the mains supply, and preferably, the device further comprises a storage battery arranged on the base 1, and the driving motor 13 and the water pump 15 are electrically connected with the storage battery.

To facilitate movement, the base 1 is preferably provided with a plurality of casters 18 at its bottom. The caster 18 is preferably a castor with brakes, as is known in the art.

As a further preferred option, a handle is mounted on the housing 2.

The foregoing is a detailed description of the present utility model, which provides a drilling apparatus that is convenient to use as can be seen from the implementation process. When the moving plate moves downwards and the drill rod moves downwards in a spiral manner, drilling operation is performed, water in the water tank is pumped out through the water pump and then sprayed out from the nozzle towards the drill rod, so that the drill rod can be cooled, and drilling operation is facilitated. When the moving plate moves upwards and the drill rod moves upwards in a spiral way, soil is carried on the drill rod, water in the water tank is pumped out through the water pump and then sprayed out from the nozzle towards the drill rod, and the soil on the drill rod is cleaned. Has the advantages of simple structure, convenient use, easy implementation, etc.

Claims

1. The drilling device comprises a base (1), wherein a shell (2) with a downward opening is connected to the base (1); a horizontally arranged moving plate (4) is arranged in the shell (2), and a drill rod (3) positioned below the moving plate (4) is rotatably arranged on the moving plate (4); the movable plate (4) is connected with the side wall of the shell (2) through an up-and-down motion guide mechanism; the device also comprises a driving mechanism, wherein the driving mechanism drives the moving plate (4) to move upwards and the drill rod (3) to move upwards spirally, or drives the moving plate (4) to move downwards and the drill rod (3) to move downwards spirally; the method is characterized in that: the base (1) is provided with a water tank (17) and a water pump (15) which are positioned outside the shell (2);

the water inlet of the water suction pump (15) is communicated with the inner cavity of the water tank (17) through a water inlet pipe, the water outlet of the water suction pump (15) is connected with a water outlet pipe (14), a nozzle (16) for spraying water towards the drill rod (3) is arranged on the water outlet pipe (14), and the nozzle (16) is positioned at the opening of the lower end of the shell (2).

2. Drilling apparatus according to claim 1, wherein: the driving mechanism comprises a driving motor (13);

the movable plate (4) is provided with a first mounting hole and a second mounting hole which are arranged at intervals;

the upper end of the drill rod (3) is connected with a rotating shaft (5) coaxially arranged with the drill rod, a first bearing positioned in the first mounting hole is mounted on the moving plate (4), and the rotating shaft (5) is rotatably mounted through the first bearing;

the driving motor (13) is arranged on the moving plate (4) through a mounting seat (12), and the shaft extension end of the driving motor (13) is connected with the rotating shaft (5);

the device further comprises a screw rod (6) which is vertically arranged, wherein the screw rod (6) passes through a second mounting hole on the moving plate (4) and is positioned at one side of the drill rod (3);

a supporting plate (8) positioned in the shell (2) is connected to the opening at the lower end of the shell (2), and a passing distance for the extension or retraction of the drill rod (3) is arranged between the supporting plate (8) and the side wall of the shell (2); the upper end of the screw rod (6) is connected with the shell (2), and the lower end of the screw rod is connected with the supporting plate (8);

an internal thread sleeve (9) is arranged on the screw (6), a second bearing positioned in the second mounting hole is arranged on the moving plate (4), and the internal thread sleeve (9) is rotatably arranged through the second bearing;

the rotating shaft (5) is in transmission connection with the internal thread sleeve (9) through a transmission mechanism.

3. Drilling apparatus according to claim 2, wherein: the transmission mechanism comprises a synchronizing wheel (10) and a belt (11), and the synchronizing wheel (10) and the belt (11) are positioned above the moving plate (4);

the two synchronous wheels (10) are arranged, one synchronous wheel (10) is coaxially arranged on the rotating shaft (5), and the other synchronous wheel (10) is coaxially arranged on the internally threaded sleeve (9); the belt (11) is wound and installed through two synchronous wheels (10).

4. Drilling apparatus according to claim 2, wherein: the up-and-down motion guide mechanism comprises a guide rod which is vertically arranged, the upper end of the guide rod is connected with the shell (2), and the lower end of the guide rod is connected with the supporting plate (8);

the guide rod passes through the moving plate (4) and is in sliding fit with the moving plate (4).

5. A drilling apparatus according to any one of claims 1-3, wherein: the up-and-down motion guide mechanism comprises a sliding rail and a sliding block in sliding fit with the sliding rail;

the sliding rail is vertically arranged on the inner side wall of the shell (2), and the sliding block is arranged on the moving plate (4).

6. A drilling apparatus according to any one of claims 1-3, wherein: the up-and-down motion guiding mechanism comprises a rack and a gear meshed with the rack;

the rack is vertically arranged on the inner side wall of the shell (2), and the gear is rotatably arranged on the moving plate (4) through the gear seat.

7. Drilling apparatus according to claim 2, wherein: the telescopic rubber sleeve (7) is sleeved on the screw rod (6), and the telescopic rubber sleeve (7) is positioned between the movable plate (4) and the supporting plate (8);

the upper end of the telescopic rubber sleeve (7) is connected with the movable plate (4), and the lower end of the telescopic rubber sleeve is connected with the supporting plate (8).

8. Drilling apparatus according to claim 2, wherein: the lower end opening of the shell (2) is connected with a boss positioned in the shell (2), and the water outlet pipe (14) is vertically arranged on the boss and has an installation interval with the side wall of the shell (2);

the upper end of the water outlet pipe (14) is connected with a connecting pipe, and the connecting pipe penetrates through the side wall of the shell (2) and is communicated with the water outlet of the water suction pump (15);

the water outlet pipe (14) is positioned at one side of the drill rod (3) opposite to the screw rod (6); the water outlet pipe (14) passes through the movable plate (4) and is in sliding fit;

the nozzle (16) is arranged at the lower end of the water outlet pipe (14).

9. Drilling apparatus according to claim 2, wherein: the device also comprises a storage battery arranged on the base (1), and the driving motor (13) and the water pump (15) are electrically connected with the storage battery.

10. Drilling apparatus according to claim 1, wherein: a plurality of casters (18) are arranged at the bottom of the base (1).