CN217813282U

CN217813282U - Self-centering small drill array drilling working device

Info

Publication number: CN217813282U
Application number: CN202222165374.1U
Authority: CN
Inventors: 胡健; 王东升; 佘明阳
Original assignee: Hunan Hydfly Science and Technology Co Ltd
Current assignee: Hunan Hydfly Science and Technology Co Ltd
Priority date: 2021-11-10
Filing date: 2022-08-17
Publication date: 2022-11-15
Anticipated expiration: 2032-08-17

Abstract

The utility model discloses a from little brill array of centering creeps into equipment, including multi-jaw chuck and remote control system, multi-jaw chuck evenly be provided with a plurality of connecting seats that can follow radial flexible all around, the downside of each connecting seat is all fixed and is equipped with the flap, and the side of going up of each connecting seat is all fixed and is equipped with the connecting plate, and the side of going up of each connecting plate is all fixed and is equipped with electric drill group, and the work end of creeping into of each electric drill group all lies in between two adjacent flaps, and each electric drill group and multi-jaw chuck are equallyd divide do not be connected with remote control system. The utility model provides a device can simply install on the hoist that building site was used always to can freely adjust the depth of construction under the condition that hoist wire rope length allowed, can also independently fix a position in original well drilling simultaneously, it is little to the reliance of sensor, but also can adopt a plurality of rotatory little brills to drill in step or independently, improved work efficiency greatly.

Description

Self-centering small drill array drilling working device

Technical Field

The utility model relates to the technical field of mechanical equipment, especially, relate to a from centering core drill array drilling equipment.

Background

At present, a bored pile hard rock small drill array coring drilling construction method is beam wall type telescopic, vertically sinks to a processing position, depends on sensing positioning, sequentially carries out array type processing generally for three times or more, and then carries out comprehensive rock breaking drilling and coring by using a large drill, and has the main problems that the length of an arm type device is greatly limited, the arm length determines the processing depth, the bored pile is difficult to be suitable for bored piles with the depth of more than 4m, and the drilling depth is limited; secondly, the requirement that the cast-in-place pile must be perpendicular to the ground requires that the ground part of the drilling device is horizontally placed or a sensor is used for leveling in operation construction, and high requirements or complex auxiliary technologies are required; third, it generally requires three or more small drills to drill in to achieve the strength of the array to break the hard rock, which is time consuming and inefficient.

In view of this, how to research a self-centering small drill array drilling working device which is adjustable in construction depth, high in efficiency and capable of being automatically positioned is a technical problem to be solved by the technical field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a from little brill array of centering creeps into equipment, the device can simply install on the hoist that the building site is commonly used to can freely adjust the depth of construction under the condition that hoist wire rope length allows, can also independently fix a position in original well drilling simultaneously, it is little to the reliance of sensor, but also can adopt a plurality of rotatory little brills to creep into in step or independently, improved work efficiency greatly.

For solving the technical problem, the utility model provides a from little brill array of centering creeps into equipment, including multi-jaw chuck and remote control system, multi-jaw chuck evenly be provided with a plurality of connecting seats that can follow radial flexible all around, the downside of each connecting seat is all fixed and is equipped with the flap, and the side of going up of each connecting seat is all fixed and is equipped with the connecting plate, and the side of going up of each connecting plate is all fixed and is equipped with electric drill group, and the work end that creeps into of each electric drill group all is located between two adjacent flaps, and each electric drill group and multi-jaw chuck are equallyd divide and do not are connected with remote control system.

Preferably, the end part of the protecting wing, which is far away from the multi-jaw chuck, is an arc-shaped end, and an arc-shaped plate perpendicular to the arc-shaped end is fixedly arranged at the arc-shaped end.

Preferably, the multi-jaw chuck and the protective wing are both provided with first threaded holes, and the connecting seat is provided with second threaded holes respectively matched with the first threaded holes.

Preferably, the connecting plate is welded and fixed with the connecting seat.

Preferably, the wings are welded and fixed with the arc-shaped plate.

Preferably, the multi-jaw chuck is a three-jaw chuck, and the three protective wings are uniformly distributed around the three-jaw chuck.

Preferably, electric drill group is including digging little brill and elevating system soon, elevating system includes horizontal pole and montant, the one end of horizontal pole with dig little brill fixed connection soon, the other end fixedly connected with driving motor of horizontal pole, and the middle part of horizontal pole wears to be equipped with the transmission shaft, the transmission shaft rotates with the horizontal pole to be connected and is equipped with the gear that is located the horizontal pole inside on the transmission shaft, the montant is worn to locate on the horizontal pole perpendicularly and the montant is located between driving motor and the transmission shaft, one side that driving motor was kept away from to the montant is equipped with the rack of being connected with gear engagement, be equipped with between driving motor's drive end and the transmission shaft and be used for driven belt, dig the little brill soon and be electric drill group's drilling work end, it is located between two adjacent wings.

Compared with the prior art, the utility model relates to a from little brill array of centering creeps into equipment. The device can simply install on the hoist that the building site was used always to can freely adjust the depth of construction under the condition that hoist wire rope length allowed, can also independently fix a position simultaneously in original well drilling, it is little to the reliance of sensor, and can also adopt a plurality of rotatory little brill to bore in step or independently, work efficiency has been improved greatly, have from the centering, the advantage of the operation of the super degree of depth, it is overweight to have solved simultaneously in traditional construction to dig the unit head soon and go into hard rock dead weight, the rotational speed is lower, frequently change the drill bit and operate the difficulty drawback.

Drawings

FIG. 1 is a partially exploded view of a self-centering auger array drilling apparatus of the present invention,

FIG. 2 is a perspective view of a self-centering small drill array drilling apparatus of the present invention,

FIG. 3 is a top view of the self-centering small drill array drilling apparatus of the present invention,

figure 4 is a bottom view of figure 3,

fig. 5 is an exploded view of the rack and pinion of the present invention.

In the figure: 1. the multi-jaw chuck comprises a multi-jaw chuck, 2 electric drill groups, 21 rotary drilling small drills, 22 cross rods, 23 vertical rods, 24 racks, 25 driving motors, 26 belts, 27 transmission shafts, 28 gears, 3 wings, 4 connecting seats, 5 connecting plates and 6 arc plates.

Detailed Description

In order to make the technical solutions of the present invention better understood, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-5, a self-centering small drill array drilling working device comprises a multi-jaw chuck 1 and a remote control system, wherein a plurality of connecting seats 4 which can stretch out and draw back along the radial direction are uniformly arranged around the multi-jaw chuck 1, a protective wing 3 is fixedly arranged on the lower side surface of each connecting seat 4, a connecting plate 5 is fixedly arranged on the upper side surface of each connecting seat 4, an electric drill group 2 is fixedly arranged on the upper side surface of each connecting plate 5, the drilling working end of each electric drill group 2 is positioned between two adjacent protective wings 3, and each electric drill group 2 and the multi-jaw chuck 1 are respectively connected with the remote control system.

The utility model discloses in, movable jack catch fixed connection on connecting seat 4 and the multi-jaw chuck 1, multi-jaw chuck 1 has the conical gear meshing of plane screw thread through movable jack catch and the back to be connected, when the long-range fuel feeding of construction hole outside rotates conical gear for hydraulic motor, plane screw thread on the conical gear back makes movable jack catch move or reverse movement to the center simultaneously because of the meshing with multi-jaw chuck 1 goes up movable jack catch, and then realized with movable jack catch fixed connection's connecting seat 4 along multi-jaw chuck 1 radial contraction or open, realized the withdrawal of flap 3 promptly or stretched out. Firstly, connecting a multi-jaw chuck 1 with a steel wire rope on a hanger, enabling the device to reach a construction depth position by utilizing the self weight of the steel wire rope and the device, and during work, sending out an extending instruction of a protective wing 3 through a remote control system, so that the protective wings 3 arranged around the multi-jaw chuck 1 can simultaneously extend to a certain position along a radial direction on a parallel plane relative to a construction hole bottom, and the protective wings 3 are tightly pressed with the construction hole wall and keep tensioning pressure, thereby ensuring the stability of the device at the construction hole bottom, simultaneously overcoming the reaction force generated by the electric drill set 2 due to propulsion, and then drilling work can be carried out by utilizing the electric drill set 2 to transfer out a pre-cracked hole; after the drilling work is finished, the remote control system sends a retraction instruction of the protective wings 3, the protective wings 3 are retracted to the initial positions along the radial direction, and at the moment, the device can be taken back to the ground by using the steel wire rope for subsequent work such as coring. The device can also control the working quantity of the electric drill group 2 according to the actual situation of drilling construction. Therefore, the device has the advantages of self-centering and ultra-deep operation, and solves the defects of overweight dead weight of the rotary excavating power head entering hard rock, low rotating speed, frequent replacement of a drill bit and difficult operation in the traditional construction.

As shown in fig. 1 and 2, the end of the protective wing 3 away from the multi-jaw chuck 1 is an arc end, and an arc plate 6 perpendicular to the arc end is fixed at the arc end. In the embodiment, the arc-shaped end is provided with the arc-shaped plate 6 vertical to the arc-shaped end, so that the connection structure is protected, and the damage to parts caused by splashed objects in the drilling process is avoided.

As shown in fig. 1-5, the multi-jaw chuck 1 and the wing 3 are respectively provided with a first threaded hole, and the connecting seat 4 is provided with a second threaded hole respectively matched with the first threaded hole. In this embodiment, the screw rods and the first and second threaded holes are used for threaded connection between the multi-jaw chuck 1 and the connecting seat 4 and between the wing 3 and the connecting seat 4, so that the connection reliability between the multi-jaw chuck 1 and the connecting seat can be ensured, and the daily disassembly and assembly of components can be facilitated.

As shown in fig. 1, 2, 3 and 4, the connecting plate 5 is welded and fixed to the connecting base 4, and the wing 3 is welded and fixed to the arc-shaped plate 6. The welding fixation is beneficial to the connection reliability between the two and the operation stability of the device.

As shown in fig. 1, 2, 3 and 5, the multi-jaw chuck 1 is a three-jaw chuck, and three wings 3 are uniformly distributed around the three-jaw chuck. In this embodiment, three wings 3 are provided in the device to allow simultaneous drilling, and in other embodiments, a different number than three wings 3 may be provided to allow simultaneous drilling.

As shown in fig. 1 and 5, the electric drill group 2 includes a rotary drilling small drill 21 and a lifting mechanism, the lifting mechanism includes a cross rod 22 and a vertical rod 23, one end of the cross rod 22 is fixedly connected with the rotary drilling small drill 21, the other end of the cross rod 22 is fixedly connected with a driving motor 25, a transmission shaft 27 is arranged in the middle of the cross rod 22 in a penetrating manner, the transmission shaft 27 is rotatably connected with the cross rod 22, a gear 28 located inside the cross rod 22 is arranged on the transmission shaft 27, the vertical rod 23 is vertically arranged on the cross rod 22 in a penetrating manner, the vertical rod 23 is located between the driving motor 25 and the transmission shaft 27, a rack 24 meshed with the gear 28 is arranged on one side of the vertical rod 23 far away from the driving motor 25, a belt 26 for transmission is arranged between the driving end of the driving motor 25 and the transmission shaft 27, the rotary drilling small drill 21 is a drilling working end of the electric drill group 2 and is located between two adjacent wings 3.

In this embodiment, the driving motor 25 drives the transmission shaft 27 to rotate through the belt 26, and the gear 28 arranged on the transmission shaft 27 rotates under the rotation of the transmission shaft 27, so that the gear 28 moves up and down on the rack 24 connected in a meshing manner, and therefore, the driving motor 25 drives the transmission shaft 27 to rotate, so that the rotary drilling small drill 21 ascends and descends, fine adjustment of the working position of the rotary drilling small drill 21 is achieved, and the accuracy of the construction position is further guaranteed.

It is right above the utility model provides a from centering small drill array drilling equipment has introduced in detail. The principle and the implementation of the present invention are explained by applying a specific embodiment, and the description of the above embodiment is only used to help understand the core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims.

Claims

1. The utility model provides a from little brill array of centering creeps into equipment, a serial communication port, including multi-jaw chuck (1) and remote control system, evenly be provided with a plurality of connecting seats (4) that can radially stretch out and draw back all around of multi-jaw chuck (1), the downside of each connecting seat (4) all is fixed and is equipped with flap (3), the side of going up of each connecting seat (4) all is fixed and is equipped with connecting plate (5), the side of going up of each connecting plate (5) all is fixed and is equipped with electric drill group (2), the work end that creeps into of each electric drill group (2) all is located between two adjacent flaps (3), each electric drill group (2) and multi-jaw chuck (1) are equallyd divide and do not are connected with remote control system.

2. The self-centering pilot drill array drilling work device according to claim 1, characterized in that the end of the wings (3) remote from the multi-jaw chuck (1) is an arc-shaped end, and the arc-shaped end is fixedly provided with an arc-shaped plate (6) perpendicular to the arc-shaped end.

3. The self-centering trephine array drilling work device according to claim 2, wherein the multi-jaw chuck (1) and the wings (3) are provided with first threaded holes, and the connecting base (4) is provided with second threaded holes respectively matched with the first threaded holes.

4. The self-centering trephine array drilling rig according to claim 1, wherein said connection plate (5) is welded to the connection base (4).

5. The self-centering pilot drill array drilling work device according to claim 2, characterized in that the wings (3) are welded to the curved plate (6).

6. The self-centering trephine array drilling rig according to claim 5, wherein the multi-jaw chuck (1) is a three-jaw chuck and the wings (3) are provided in three and evenly distributed around the three-jaw chuck.

7. The self-centering small drill array drilling working device according to claim 1, wherein the electric drill group (2) comprises a rotary drilling small drill (21) and a lifting mechanism, the lifting mechanism comprises a cross rod (22) and a vertical rod (23), one end of the cross rod (22) is fixedly connected with the rotary drilling small drill (21), the other end of the cross rod (22) is fixedly connected with a driving motor (25), a transmission shaft (27) penetrates through the middle of the cross rod (22), the transmission shaft (27) is rotatably connected with the cross rod (22), a gear (28) located inside the cross rod (22) is arranged on the transmission shaft (27), the vertical rod (23) perpendicularly penetrates through the cross rod (22), the vertical rod (23) is located between the driving motor (25) and the transmission shaft (27), a rack (24) meshed and connected with the gear (28) is arranged on one side of the vertical rod (23) away from the driving motor (25), a driving belt (26) for driving is arranged between a driving end of the driving motor (25) and the transmission shaft (27), the rotary drilling small drill (21) is the working end of the electric drill group (2), and is located between two adjacent rotary drilling small drills (3).