CN203463005U

CN203463005U - Rotary drilling machine

Info

Publication number: CN203463005U
Application number: CN201320463249.7U
Authority: CN
Inventors: 覃炳德
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-31
Filing date: 2013-07-31
Publication date: 2014-03-05
Anticipated expiration: 2023-07-31

Abstract

The utility model discloses a rotary drilling machine. The rotary drilling machine comprises a driving unit, a working table, a stand column, a drill rod, a rotary power head, a drill head, a winch, steel ropes and a pulley. The stand column and the winch are mounted on the working table, the steel ropes are wound on the winch, the outer side of the stand column is provided with a slide rail, a drill rod slide is mounted on the slide rail, both end of the drill rod slide are fixedly connected with the steel ropes, the steel ropes at both ends of the drill rod slide are connected with the winch after being steered by the pulley at the lower end of the stand column, and the drill rod slide is driven by the winch to move up and down along the slide rail; the drill rod is fixedly mounted on the drill rode slide. By arranging the slide rail and the drill rod slide on the stand column and combined with pulley steering at the lower end of the stand column, the rotary drilling machine forms a level structure which takes the pulley as the fulcrum to load the integral weight onto the drill rod slide; the drill rod slide provides enough downward pressure to the drill rod and the drill head; therefore, the rotary drilling machine can drill holes rapidly and efficiently in relatively hard soil.

Description

A kind of rotary drilling rig

Technical field

The utility model relates to a kind of piling machinery, especially relates to a kind of rotary drilling rig.

Background technology

Rotary drilling rig claims again " rotary bucket rig ", and A Siteli rig etc., are a kind of heavy caliber deep hole pore-forming equipments.Because adopt " rotary bucket " or be called " rotary bucket ", fetch earth and adopt the square or circular telescopic drill rod that adds sword to strengthen drilling depth simultaneously, so be called as " rotary drilling rig " or be called " rotary bucket rig ".Modal rotary drilling rig has two kinds at the construction field (site) at present: the one, and the attaching converting with crawler crane, another kind is by state's external structure, to introduce imitated likeness in form chassis of dredging machine repacking completely by trapezoidal linkage and hydraulic cylinder acting in conjunction, to adjust the full hydraulic of drilling rod verticality.Full hydraulic develops rapidly in recent years, has eliminated gradually the lower slightly crawler crane attaching of heavier efficiency, becomes the type that represents of rotary drilling rig, revolves one of main hole forming method that the method for digging also becomes heavy caliber deep hole.When traditional use rotary drilling rig is driven piles, by Motor Drive all parts, drill bit is guided by the wire rope on winch, after being activated, leans on from gravity downfeed.Therefore, there are many defects in traditional rig that digs: one, the deadweight of drill bit is not enough, if while running into hard earth, not enough to the power pressing down; Two, the helical blade on drill bit is longer, and while digging to backspin, the frictional force being subject to is large, and the power that complete machine is consumed is large; Three, unit head is heavy, and the mode of pressurizeing by direct driving, can make drilling rod stressed larger, so the power output of winch is large, the big energy-consuming of complete machine.

The patent No. is that CN 20092024625.4 discloses a kind of hydraulic pressure rotary drilling rig, it comprises crawler attachment, get on the bus in the chassis being positioned on crawler attachment, driver's cabin, is arranged on the column of chassis on getting on the bus, and is arranged on the unit head on column, the drilling rod being driven by unit head, be arranged on the drill bit of drill rod end, and the first drive unit, on getting on the bus on chassis, be provided with the second drive unit and for controlling the electric control gear of the first drive unit and the second drive unit.By electric control gear, can realize electric power and the fuel power conversion between the first drive unit and the second drive unit.Although this utility model can be changed electric power and fuel power, can meet to a certain extent different operating mode demands, improve the practicality of rotary drilling rig, but still existed rotary drilling rig build large, consume energy high, complex structure, the problem that cost is high.

Summary of the invention

The utility model, for problems of the prior art, provides a kind of simple in structure, and convenient transportation can improve the efficiency of drill large-caliber deep hole, reduces the rotary drilling rig of complete machine power consumption.

The technical solution of the utility model is as follows:

Described rotary drilling rig, comprise drive unit, workbench, column, drilling rod, rotary power head, drill bit, winch, wire rope, pulley, column and winch are arranged on workbench, on described winch, be tied with wire rope, it is characterized in that: on the outside of described column, be provided with roadster railway, drilling rod sport car is installed on roadster railway, the two ends of drilling rod sport car are fixedly connected with wire rope respectively, the wire rope at two ends by connection winch after the pulley break-in of column lower end, moves up and down along roadster railway respectively under the driving of winch; Drilling rod is fixedly installed on drilling rod sport car.

Above-described drilling rod is prismatic or square-column-shaped; On described column, rotary power head is installed, in the middle of rotary power head, is provided with and the corresponding drilling rod of drilling rod shape of cross section hole, drilling rod penetrates in drilling rod hole, and drill bit is equipped with in the lower end of drilling rod.Described prismatic can be triangular prism, quadrangular or polygon prism etc.

Above-described rotary power head is installed on the lower end of column; Or described rotary power head is installed on column by slide rail, can allow rotary power head move up and down, while being convenient to be equipped with longer drill bit according to need of work, keep enough spaces.

Preferably, described winch is hydraulic wireline winch; Described rotary power head is hydraulic-driven.Described drive unit comprises motor, gearbox, double-stage hydraulic oil pump and power takeoff, and described double-stage hydraulic oil pump is divided into two-way ，Yi road provides power to hydraulic wireline winch, and another road provides power to rotary power head.

In above-described drilling rod, can be provided with hydraulically powered drilling rod telescopic tube, to increase the effective length of drilling rod, can bore darker hole.

Above-described wire rope, after pulley break-in, is connected to winch by more than one group assembly pulley, reduces the power output of drive unit by increasing stroke, can adopt the more drive unit of small-sized, effectively reduces energy consumption and cost.

Above-described workbench is arranged on creeper truck or wheeled vehicle by rotary disk.

Above-described workbench bottom is provided with workbench telescopic tube, makes workbench can extend longer distance, adjusts bore position while being convenient to practice of construction.

Above-described described wheeled vehicle is two-wheel drive bridge or three-wheel drive axle structure, and driving is convenient, maneuverability, and cross-country ability is strong.

Described rotary power head comprises hydraulic motor, line shaft, shift, declutch shift shaft, shift fork, gear teeth cover, high gear group, low-speed gear group, power shaft, train of reduction gears, output shaft; Described high gear group, gear teeth cover and low-speed gear group are connected in turn on line shaft, and line shaft is connected by shaft coupling with the projecting shaft of hydraulic motor; Described shift is connected with declutch shift shaft, and shift fork is set on declutch shift shaft; One end of described shift fork is connected with gear teeth cover; The driven pulley of high gear group, low-speed gear group is all connected with power shaft with the driving wheel of train of reduction gears; The driven pulley of described train of reduction gears is connected with output shaft, and output shaft is provided with the fixedly drilling rod hole of drilling rod.During work, be rotated the gear shift of unit head by the shift fork on promotion declutch shift shaft, revolve while digging and be adjusted to slow shelves, torque-on-bit is maximum, can deep-cut hole, then can carry out efficient throwing soil after being adjusted to fast shelves, has improved the deep hole machining efficiency of rotary drilling rig.

During work, double-stage hydraulic oil pump is divided into two-way by oil circuit, and winch is subject to the wherein driving of an oil circuit, and rotary power head is subject to the driving of another oil circuit.After winch is activated, allow drilling rod sport car move along roadster railway, drilling rod and drill bit move up and down under the drive of drilling rod sport car; Meanwhile, drilling rod and drill bit, after being subject to unit head driving, rotate.While carrying out the boring of depths more, the telescopic tube that is enclosed within drilling rod periphery can extend downwards, thereby can bore darker hole.

Compared with prior art, the advantage and the good effect that the utlity model has are as follows:

1, the utility model is by arranging roadster railway and drilling rod sport car on column, with winch, by wire rope, be connected with the two ends up and down of drilling rod sport car, pull sport car to move up and down, pulley break-in in conjunction with column lower end, formed a kind of lever construction, take pulley as node, complete vehicle weight can be added on drilling rod sport car, by drilling rod sport car, give drilling rod and drill bit with enough downforce, thus make the utility model can be in harder soil property rapidly, boring efficiently.Drilling rod sport car is driving drilling rod and drill bit simultaneously, can effectively reduce the frictional resistance producing when drilling rod is worked, thereby has reduced the power consumption of car load.The structure that this structure is pressurizeed to drilling rod and boring by hydraulic equipment compared to prior art, structure has been simplified a lot, and avoids using expensive hydraulic equipment, greatly reduces equipment cost, has outstanding substantive distinguishing features and significant progress.

2, the double-stage hydraulic oil pump in the utility model divides hydraulic power for two-way, can control winch and unit head respectively, controlled respectively the elevating movement of drilling rod and drill bit and rotatablely moved, thereby power has been carried out to reasonable distribution, reduced complete machine power consumption, improved operating efficiency, and this hydraulic structure makes drive unit can use the power set of vehicle, do not need additionally to arrange vehicular propulsion, further reduced cost.

3, the mobile device in the utility model can be creeper truck or wheeled vehicle, can, according to landform and construction needs, be applicable to different walking manners.

4, the utility model is simple in structure, easy to operate, and applicability is strong.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of rotary drilling rig of the utility model;

Fig. 2 is the working state structure schematic diagram of a kind of rotary drilling rig of the utility model;

Fig. 3 is the schematic top plan view of a kind of rotary drilling rig of the utility model;

Fig. 4 is the plan structure schematic diagram of gearbox of the rotary power head of a kind of rotary drilling rig of the utility model;

Fig. 5 is the structural representation of the mobile device of a kind of rotary drilling rig of the utility model while being three-wheel drive axle;

Partial structurtes schematic diagram when Fig. 6 is the duty of a kind of rotary drilling rig of the utility model;

Partial structurtes schematic diagram when Fig. 7 is the another kind of duty of a kind of rotary drilling rig of the utility model.

Accompanying drawing sign:

1-workbench, 2-rotary disk, 3-driver's cabin, 4-column, 5-drilling rod, 6-unit head, 7-drill bit, 8-winch, 9-wire rope, 10-assembly pulley, 11-roadster railway, 12-drilling rod sport car, 13-sleeve pipe, 14-motor, 15-gearbox, 16-power takeoff, 17-double-stage hydraulic oil pump, 18-workbench telescopic tube, 19-hydraulic motor, 20-line shaft, 21-shift, 22-declutch shift shaft, 23-shift fork, 24-gear teeth cover, 25-high gear group, 26-low-speed gear group, 27-power shaft, 28-train of reduction gears, 29-output shaft.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

Embodiment 1:

As Figure 1-Figure 4, a kind of rotary drilling rig comprises the drive unit being comprised of motor 14, gearbox 15, power takeoff 16 and double-stage hydraulic oil pump 17, this rotary drilling rig also comprises workbench 1, column 4, drilling rod 5, rotary power head 6, drill bit 7, winch 8, wire rope 9 and pulley 10, column 4 and winch 8 are arranged on workbench 1, and workbench 1 is arranged on creeper truck by rotary disk 2.On described winch 8, be tied with wire rope 9, on the outside of column 4, be provided with roadster railway 11, drilling rod sport car 12 is installed on roadster railway 11, the two ends of drilling rod sport car 12 are fixedly connected with wire rope 9 respectively, the wire rope 9 at two ends is respectively by connection winch 8 after pulley 10 break-ins of column 4 lower ends, and drilling rod sport car 12 moves up and down along roadster railway 11 under the driving of winch 8.Drilling rod 5 is fixedly installed on drilling rod sport car 12.In the lower end of described column 4, rotary power head 6 is installed, rotary power head 6 is installed on column 4 by slide rail, can allow column 4 move up and down.Drilling rod 5 is prismatic, is provided with the corresponding drilling rod hole that the cross section with drilling rod 5 is prismatic in the middle of rotary power head 6, and drilling rod 5 penetrates in drilling rod hole.Described winch 5 is hydraulic wireline winch; Described rotary power head 6 is hydraulic-driven.Described double-stage hydraulic oil pump 17 is divided into two-way ，Yi road provides power to hydraulic wireline winch, and another road provides power to rotary power head 6.

Rotary power head 6 comprises hydraulic motor 19, line shaft 20, shift 21, declutch shift shaft 22, shift fork 23, gear teeth cover 24, high gear group 25, low-speed gear group 26, power shaft 27, train of reduction gears 28, output shaft 29; Described high gear group 25, gear teeth cover 24 and low-speed gear group 26 are connected in turn on line shaft 20, and line shaft 20 is connected by shaft coupling with the projecting shaft of hydraulic motor 19; Described shift 21 is connected with declutch shift shaft 22, and shift fork 23 is set on declutch shift shaft 22; One end of described shift fork 23 is connected with gear teeth cover 24; The driven pulley of high gear group 25, low-speed gear group 26 is all connected with power shaft 27 with the driving wheel of train of reduction gears 28; The driven pulley of described train of reduction gears 28 is connected with output shaft 29, and output shaft 29 is provided with the fixedly drilling rod hole of drilling rod 5.

During work, rotary disk 2 can allow workbench 1 on the chassis of car load, carry out rotating within the scope of 270 °, adjusts the direction of workbench 1; By hydraulic connecting rod, the column of workbench 4 is propped, made it vertical with work plane.Double-stage hydraulic oil pump 17 is divided into two by oil circuit, wherein an oil circuit can provide power to winch 8 by distributing valve, by wire rope 9, pull drilling rod sport car 12 to move on roadster railway 11, the revolution interface that drilling rod sport car 12 goes rancid by center is to drilling rod 5 fuel feeding, thereby drilling rod 5 and brick 7 can move up and down, and in drill bit 7 kiss the earths, provide pressure, by take the leverage that pulley 10 is node, maximum can be added on complete vehicle weight on drilling rod 5 and drill bit 7; Another oil circuit provides power by distributing valve to rotary power head 6, and rotary power head 6 can be controlled the rotation of drill bit 7, and can regulate by gear shift the revolving force of drill bit 7.During use, drilling rod 5 and drill bit are under 7 drilling rod sport cars 12 drive, to pressing down; Drill bit 7 rotation under unit head 6 effects, revolves and digs ground.Rotary power head 6 can regulate rotary power head 6 for fast shelves or slow shelves under the drive of shift 21.

While boring stake, shift 21 is driving the shift fork 23 on declutch shift shaft 22 to move, and shift fork 23 is enclosed within gear teeth cover 24 in low-speed gear group 26, and now, by the rotation of power shaft 27 and train of reduction gears 28, output shaft 29 is driving drilling rod 5 to carry out low speed rotation; Now drill bit 7 moments of torsion are large, revolve and dig effectively.Then drill bit 7 is raised to and ground level place, handle shift 21, shift fork 23 is enclosed within high gear group 25 by gear teeth cover 24, and now output shaft 29 is driving drilling rod 5 to carry out High Rotation Speed and throwing soil, earth is subject to after powerful centrifugal force separated with drill bit 7 fast.

Embodiment 2:

As shown in Figure 5-Figure 7, be with embodiment difference: workbench 1 is arranged on wheeled vehicle by rotary disk 2, this wheeled vehicle is three-wheel drive axle structure, by front steering drive axle, in logical bridge and back axle drive the movement of workbench 1, make this rotary drilling rig driving convenient, maneuverability, cross-country ability is good.Wire rope 9, after pulley 10 break-ins through column 4 lower ends, is connected to winch 8 by the assembly pulley of a group, has reduced the requirement to the power stage of drive unit, has reduced energy consumption and cost.Drilling rod 5 be square-column-shaped, the cross section being provided with in the middle of rotary power head 6 with drilling rod 6 is square corresponding drilling rod hole, drilling rod 5 penetrates in drilling rod hole.In drilling rod 5, be provided with hydraulically powered drilling rod telescopic tube 13, dig while boring carrying out deep hole, the sleeve pipe 13 that can be enclosed within drilling rod outside earthward more depths extend, the stability of protection drilling rod 5 when work.Described workbench 1 bottom is provided with workbench telescopic tube 18, and workbench 1 is stretched according to working environment, has extended the operating distance of workbench.

Operating principle is identical with embodiment 1.

Claims

1. a rotary drilling rig, comprise drive unit, workbench (1), column (4), drilling rod (5), rotary power head (6), drill bit (7), winch (8), wire rope (9), pulley (10), column (4) and winch (8) are arranged on workbench (1), on described winch (8), be tied with wire rope (9), it is characterized in that: on the outside of described column (4), be provided with roadster railway (11), drilling rod sport car (12) is installed on roadster railway (11), the two ends of drilling rod sport car (12) are fixedly connected with wire rope (9) respectively, the wire rope at two ends (9) is respectively by connection winch (8) after pulley (10) break-in of column (4) lower end, under the driving of winch (8), along roadster railway (11), move up and down, drilling rod (5) is fixedly installed on drilling rod sport car (12).

2. a kind of rotary drilling rig as claimed in claim 1, is characterized in that: described drilling rod (5) is prismatic; Rotary power head (6) is installed on described column (4), in the middle of rotary power head (6), is provided with and the corresponding drilling rod of drilling rod (5) shape of cross section hole, drilling rod (5) penetrates in drilling rod hole.

3. a kind of rotary drilling rig as claimed in claim 2, is characterized in that: described rotary power head (6) is installed on the lower end of column (4).

4. a kind of rotary drilling rig as claimed in claim 2, is characterized in that: it is upper that described rotary power head (6) is installed on column (4) by slide rail, can allow rotary power head (6) move up and down.

5. a kind of rotary drilling rig as claimed in claim 2, is characterized in that: described winch (8) is hydraulic wireline winch; Described rotary power head (6) is hydraulic-driven.

6. a kind of rotary drilling rig as claimed in claim 5, it is characterized in that: described drive unit comprises motor (14), gearbox (15), power takeoff (16) and double-stage hydraulic oil pump (17), described double-stage hydraulic oil pump (17) is divided into two-way, one tunnel provides power to hydraulic wireline winch, and another road provides power to rotary power head (6).

7. a kind of rotary drilling rig as claimed in claim 1, is characterized in that: in described drilling rod (5), be provided with hydraulically powered drilling rod telescopic tube (13).

8. a kind of rotary drilling rig as claimed in claim 1, is characterized in that: wire rope (9), after pulley (10) break-in, is connected to winch (8) by more than one group assembly pulley.

9. a kind of rotary drilling rig as claimed in claim 1, is characterized in that: described workbench (1) is arranged on creeper truck or wheeled vehicle by rotary disk (2).

10. a kind of rotary drilling rig as claimed in claim 9, is characterized in that: described workbench (1) bottom is provided with workbench telescopic tube (18).

11. a kind of rotary drilling rigs as claimed in claim 9, is characterized in that: described wheeled vehicle is two-wheel drive bridge or three-wheel drive axle structure.

12. a kind of rotary drilling rigs as claimed in claim 1, it is characterized in that: described rotary power head (6) comprises hydraulic motor (19), line shaft (20), shift (21), declutch shift shaft (22), shift fork (23), gear teeth cover (24), high gear group (25), low-speed gear group (26), power shaft (27), train of reduction gears (28), output shaft (29); It is upper that described high gear group (25), gear teeth cover (24) and low-speed gear group (26) are connected to line shaft (20) in turn, and line shaft (20) is connected by shaft coupling with the projecting shaft of hydraulic motor (19); Described shift (21) is connected with declutch shift shaft (22), and shift fork (23) is set on declutch shift shaft (22); One end of described shift fork (23) is connected with gear teeth cover (24); The driven pulley of high gear group (25), low-speed gear group (26) is all connected with power shaft (27) with the driving wheel of train of reduction gears (28); The driven pulley of described train of reduction gears (28) is connected with output shaft (29), and output shaft (29) is provided with the fixedly drilling rod hole of drilling rod (5).