CN101812966B

CN101812966B - Engineering driller

Info

Publication number: CN101812966B
Application number: CN2010101560905A
Authority: CN
Inventors: 李剑
Original assignee: Chongqing Exploration Machinery Factory
Current assignee: Cge Chongqing Exploration Machinery Co ltd
Priority date: 2010-04-26
Filing date: 2010-04-26
Publication date: 2012-08-01
Anticipated expiration: 2030-04-26
Also published as: CN101812966A

Abstract

The invention discloses an engineering driller comprising a power head, a driving drill rod, two feeding oil cylinders, a portal frame and a chuck for vertically fixing the driving drill rod opposite to a stand, wherein the driving drill rod vertically passes through a main shaft of the power head, the portal frame comprises a left vertical post and a right vertical post, and both sides of the power head are respectively clamped on the left vertical post and the right vertical post and are in single-freedom sliding fit with vertical posts at the corresponding side; and the two feeding oil cylinders are respectively fixed and arranged at the bottoms of the left vertical post and the right vertical post, piston rods of the feeding oil cylinders are vertically and upwards fixed with the power head below which the chuck is arranged, and the driving drill rod is clamped in the chuck. A power head support frame of the engineering driller adopts a portal vertical post structure, both sides of the power head are respectively clamped on the left vertical post and the right vertical post of the portal frame, the power head moves up and down through the feeding oil cylinders, the stroke can be about 1 meter, and therefore, the engineering driller has high precision of vertical movement; because the chuck is arranged below the power head, an operator can directly operate the engineering driller without climbing the driller; and the engineering driller has the advantages of safety, convenience and high efficiency.

Description

Engineering driller

Technical field

The present invention relates to a kind of construction implement, relate in particular to a kind of engineering driller.

Background technology

Engineering driller is the rig that is used for the large-diameter bored pile construction of engineerings such as highrise building, harbour, harbour, dam, electric power, bridge.

In the prior art, engineering driller comprises frame seat, drilling rod motor, clutch, reducer, elevator motor, hoist engine, vertical shaft, chuck, support column and kelly.Power is transferred to vertical shaft by gear shaft; Pass to the kelly that vertically passes the vertical shaft center through chuck then; And vertical shaft, chuck both sides are fixedly mounted on respectively on two straight up the piston rods of feed cylinder; Because vertical shaft need move up and down when the transmission feed cylinder feeds power, the vertical shaft bottom is connected with gear shaft again, and chuck can only be positioned at the top of vertical shaft; The drilling rod motor drives vertical shaft and drives kelly through one group of clutch and reducer and rotates; The elevator motor drives hoist engine through another group clutch and reducer.

Mainly there is following deficiency in the engineering driller of said structure: one, vertical shaft, chuck directly are not fixedly mounted on the support column as the output block of power; But be fixed on the piston rod of two feed cylinders; Be to guarantee the stability of equipment large-diameter bored pile construction, and it is big to be used for the long difficulty of processing of vertical shaft that high pulling torque transmits, so the shift motion of vertical shaft is short; Only between 0.5～0.6 meter, castinplace pile once loads and unloads kelly and creeps into the distance weak point; Two, kelly only relies on the piston rod location of two oil cylinders in the axial direction, less stable, and borehole accuracy is not high, and is prone to accident such as bit freezing; Three, chuck is arranged on the top of vertical shaft, and during each clamping kelly, operating personnel must climb the top of hoist engine and carry out chuck clamping operation, and are both dangerous, time-consuming again; Four, kelly rotates by one group of drilling rod motor, clutch and reducer and drives, and hoist engine is driven by another group elevator motor, clutch and reducer, therefore, install morely relatively, and it is big to take up room, the cost height; Five, all devices are fixedly mounted on the frame seat, do not have each other relatively and slide, and disposable job area is little.

Summary of the invention

To weak point of the prior art, the invention provides a kind of unit head of realizing and vertically slide, the kelly stroke distances is big; Borehole stability property is good; The engineering driller of more convenient operation, safety, and this project rig takes up room for a short time, and cost is low; Can realize simultaneously the stride walking, job area is wide.

Engineering driller provided by the invention; Comprise frame seat and be arranged on motor, clutch, speed changer, commutator, six side's turning cylinders, unit head, the kelly on the frame seat, the chuck that feeds oil cylinder, portal frame and the piston rod of the relative feed cylinder of kelly is vertically fixed; Said kelly vertically passes unit head; Said motor is given six side's turning cylinders through clutch and speed changer with transmission of power, and six side's turning cylinders drive kelly through the tooth engagement; Said portal frame comprises left column and right column, the both sides of said unit head be stuck on left column and the right column and with the column of respective side up and down single-degree-of-freedom be slidingly matched; The said oil cylinder that feeds is two, is fixedly installed on the bottom of left column and right column respectively, and the piston rod of feed cylinder is fixed with unit head straight up, and said chuck is arranged on the below of unit head, and kelly is held in the chuck.

Further; Also comprise commutator and chain-wheel box, said commutator comprises power input shaft, shaft gear, output shaft, commutator main shaft, the first little circular-arc bevel gear, orthodrome bevel gear, second little circular-arc bevel gear and the reduction gearing, and said power input shaft is connected with the power output shaft of reducer; The said first little circular-arc bevel gear is installed on the power input shaft; Said orthodrome bevel gear is installed on the shaft gear, and the said second little circular-arc bevel gear is installed on the output shaft, the said first little circular-arc bevel gear and the engagement of orthodrome bevel gear tooth; The said orthodrome bevel gear and the second little circular-arc bevel gear tooth engagement; Said output shaft is connected with the sprocket wheel of chain-wheel box through first clutch, and shaft gear is connected with the commutator main shaft with second clutch through reduction gearing successively, and said commutator main shaft is fixedly connected with six side's turning cylinders;

Further, the operating mechanism that said first clutch comprises shifting slide gear and drives shifting slide gear and reduction gearing engagement or disengaging, said shifting slide gear be enclosed within on the main shaft and with main shaft diameter to fixed axis to slidably cooperating; Said second clutch comprises the sprocket engagement of chain-wheel box meshing gear and drive chain roller box meshing gear and chain-wheel box or the fork operating mechanism of disengaging, said drive chain roller box meshing gear be enclosed within on the output shaft of commutator and with output shaft radially fixed axis to slidably cooperating;

Further; Also comprise base; Said commutator, hoist engine and portal frame are installed on the frame seat, and said frame seat is pressed on the base and with base and is slidingly matched in the fore-and-aft direction single-degree-of-freedom, and the left and right sides of said base is provided with mobile oil cylinder respectively; The cylinder seat of said mobile oil cylinder is fixedly connected with base, and the piston rod that moves oil cylinder is fixedly connected with frame seat; At least fixedly install three up-down hydraulic pressure steel that are used to support whole frame seat and base on the said frame seat; Correspondence position with up-down hydraulic pressure steel on the said base is provided with strip through-hole along fore-and-aft direction, and the piston rod of said lifting hydraulic cylinder straight down and vertically corresponding with strip through-hole.

Compared with prior art, the present invention has following advantage:

1, the bracing frame of unit head adopts the gantry upright post structure; The both sides of unit head are stuck on left column and the right column of portal frame and with its single-degree-of-freedom and are slidingly matched; Feed oil cylinder and be fixedly installed on the bottom of left column and right column respectively; Can realize that unit head moves up and down, the unit head stroke is big simultaneously, and stroke can be about 1 meter.

2, the both sides of unit head are retrained by left column and right column, and have two camber beams to strengthen its intensity, and the transferable moment of torsion of kelly improves greatly, and the enhancing of borehole stability property reduces the generation of drilling accident.

3, chuck is arranged on the below of unit head, but operating personnel's direct control clamping or unclamp kelly, and need not to climb on the hoist engine of rig, both safety is convenient again.

4, kelly rotates and hoist engine is driven by same set of motor, clutch, reducer and commutator, and therefore, used device is less relatively, easy to operate, take up room little, cost is low.

5, through commutator switching-over, transfer power is reached unit head or chain-wheel box, manipulation mechanism and fork operating mechanism can be realized uniting of unit head and hoist engine driving or driving respectively, control convenient, fast.

6, the frame seat of engineering driller and base can slide relatively, and realize whole frame seat and the walking of base stride through up-down hydraulic pressure steel and mobile oil cylinder, make the rig moving range big, make a trip conveniently, and the correction hole position is convenient in the drilling machine construction, and job area is wide.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation of portal frame among the present invention;

Fig. 3 is the cross section view of commutator;

Fig. 4 is along the cross section view of A-A direction among Fig. 3;

Fig. 5 is the cross section view of unit head;

Fig. 6 is the vertical view of unit head;

Fig. 7 is the front view of chain-wheel box;

Fig. 8 is along the cross section view of B-B direction among Fig. 7;

Fig. 9 is the structural representation of frame seat and base.

In the accompanying drawing, 1-unit head 2-chuck 3-moves camber beam 34-commutator casing 35-reduction gearing 36-upper press cover 37-lower cover 38-dynamic head main spindle 39-gear wheel 40-six square shaft sleeve gear 41-sliding supports under the oil cylinder 26-lifting hydraulic cylinder 27-kelly 28-clutch 29-reducer 30-chain-wheel box 31-universal joint 32-camber beam 33-for oil-feed 4-portal frame 5-left column 6-right column 7-motor 8-commutator 9-hoist engine 10-power input shaft 11-shaft gear 12-output shaft 13-commutator main shaft 14-first little circular-arc bevel gear 15-orthodrome bevel gear 16-second little circular-arc bevel gear 17-six side's turning cylinder 18-sprocket wheel 19-balladeur train 20-operating mechanism 21-chain-wheel box meshing gear 22-fork operating mechanism 23-frame seat 24-base 25-

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done to describe in further detail.

Fig. 1 is a structural representation of the present invention; Fig. 2 is the structural representation of portal frame among the present invention, and is as shown in the figure: engineering driller comprises base 24, frame seat 23, motor 7, clutch 28, reducer 29, commutator 8, chain-wheel box 30, hoist engine 9, portal frame 4, unit head 1, kelly 27, feeds oil cylinder 3, six side's turning cylinders 17 and chuck 2 that the piston rod of kelly 27 relative feed cylinders 3 is vertically fixed.Said frame seat 23 is pressed on the left and right sides of base 24, but and the left and right sides single-degree-of-freedom of base 24 be slidingly matched.Said motor 7, clutch 28, reducer 29, commutator 8, hoist engine 9 and portal frame 4 are fixedly mounted on the frame seat 23; The power output shaft of motor 7 is connected with the power input shaft of reducer 29 through clutch 28; The power output shaft of reducer 29 is connected with the power input shaft of commutator 8 through universal joint 31; The power output shaft of commutator 8 is connected with the sprocket wheel 18 of chain-wheel box 30 through first clutch, and the kelly of installing on the 17 pairs of unit heads 1 of six side's turning cylinders on the commutator 8 27 applies axial moment of torsion.Said portal frame 4 vertically is installed in the front end of frame seat 23; Portal frame 4 is mainly by left column 5, right column 6 and connect left column 5 and forms with the camber beam 32 and the following camber beams 33 of right column 6, the both sides of said unit head 1 be stuck on left column 5 and the right column 6 and with the column of respective side about single-degree-of-freedom be slidingly matched.The said oil cylinder 3 that feeds is two; Be fixedly mounted on the bottom of left column 5 and right column 6 respectively; The piston rod of feed cylinder 3 withstands on the unit head 1 straight up; When starting feed cylinder 3, the piston rod of feed cylinder 3 stretches out or withdraws, and the unit head 1 that piston rod just can drive on it slides along left column 5 and right column 6 downward or upward.Said kelly vertically passes the middle part of unit head 1, and chuck 2 is arranged on the below of unit head 1, and kelly is stuck in the chuck 2.

In the present embodiment, front end refers to the end of frame seat 23 near portal frame 4, and the rear end refers to the end of frame seat 23 near motor 7, and the left and right sides refers to that frame seat 23 is pressed in the both sides of base 24.

Fig. 3 is the cross section view of commutator; Fig. 4 be among Fig. 3 along the cross section view of A-A direction, as shown in the figure: commutator 8 comprises the little circular-arc bevel gear of commutator casing 34, power input shaft 10, shaft gear 11, output shaft 12, commutator main shaft 13, first 14, orthodrome bevel gear 15, second little circular-arc bevel gear 16 and the reduction gearing 35.The little circular-arc bevel gear of the little circular-arc bevel gear of said power input shaft 10, shaft gear 11, output shaft 12, commutator main shaft 13, first 14, orthodrome bevel gear 15, second 16, reduction gearing 35 are installed in the commutator casing 34; The two ends of shaft gear 11 and commutator main shaft 13 laterally are mounted on the tank wall of commutator casing 34 through bearing respectively; The first little circular-arc bevel gear 14 is installed on the power input shaft 10; Orthodrome bevel gear 15 is installed on the shaft gear 11; The second little circular-arc bevel gear 16 is installed on the output shaft 12, and reduction gearing 35 is installed on the commutator main shaft 13 through bearing, the first little circular-arc bevel gear 14 and the engagement of orthodrome bevel gear 15 teeth; The orthodrome bevel gear 15 and the second little circular-arc bevel gear 16 teeth engagement; Shaft gear 11 is meshed with reduction gearing 35, and output shaft 12 is connected with the sprocket wheel 18 of chain-wheel box 30 through first clutch, and reduction gearing 35 is given commutator main shaft 13 through second clutch with transmission of power; Said commutator main shaft 13 is fixedly connected with six side's

turning cylinders

17, and 17 pairs of kellies 27 of six side's turning cylinders apply radially moment of torsion.

In the present embodiment; First clutch comprises shifting slide gear 19 and drives shifting slide gear 19 and the operating mechanism 20 of reduction gearing engagement or disengaging; Said shifting slide gear 19 through spline housing on commutator main shaft 13 and with commutator main shaft 13 radially fixed axis to slidably cooperating; Shifting slide gear 19 is to lower slider, and the engagement of the internal tooth of the external tooth of shifting slide gear 19 and reduction gearing 35 can be given commutator main shaft 13 with the transmission of power on the reduction gearing 35; Shifting slide gear 19 upwards slides, and the external tooth of shifting slide gear 19 breaks away from the internal tooth of reduction gearing 35, and commutator main shaft 13 can't obtain the transferring power of reduction gearing 35.Second clutch comprises chain-wheel box meshing gear 21 and drive chain roller box meshing gear 21 and sprocket wheel 18 engagements of chain-wheel box 30 or the fork operating mechanism 22 (like Fig. 7 and shown in Figure 8) that breaks away from; Said drive chain roller box meshing gear 21 through spline housing on the output shaft 12 of commutator 8 and with output shaft 12 radially fixed axis to slidably cooperating; When chain-wheel box meshing gear 21 outwards slides; The sprocket wheel 18 internal tooths engagement of the external tooth of chain-wheel box meshing gear 21 and chain-wheel box 30, chain-wheel box meshing gear 21 is given transmission of power on the sprocket wheel 18 of chain-wheel box 30; When chain-wheel box meshing gear 21 inwardly slided, the external tooth of chain-wheel box meshing gear 21 broke away from the sprocket wheel 18 of chain-wheel box 30, and the sprocket wheel 18 of chain-wheel box 30 can't obtain the power that chain-wheel box meshing gear 21 transmits.

Fig. 5 is the cross section view of unit head, and Fig. 6 is the vertical view of unit head, and is as shown in the figure: unit head 1 comprises upper press cover 36, lower cover 37, dynamic head main spindle 38, gear wheel 39 and six square shaft sleeve gears 40.Said dynamic head main spindle 38 and six square shaft sleeve gears 40 vertically are installed between upper press cover 36 and the lower cover 37 through bearing; The parallel axes of dynamic head main spindle 38 and six square shaft sleeve gears 40; On dynamic head main spindle 38, six square shaft sleeve gears 40 mesh with gear wheel 39 teeth gear wheel 39 through the flat key fixed cover.Six side's turning cylinders 17 penetrate in the hexagonal hole of six square shaft sleeve gears 40, and axially slidably cooperate with six square shaft sleeve gears 40, simultaneously six square shaft sleeve gears 40 are radially applied moment of torsion.Chuck 2 is installed in the bottom of dynamic head main spindle 38, after kelly 27 penetrates in the dynamic head main spindle hole, through chuck 2 kelly 27 is fixedly connected with dynamic head main spindle 38.About upper press cover 36 and lower cover 37, both sides are set sliding support 41 is installed, the outboard end of sliding support 41 is stuck on left column 5 and the right column 6 and with left column 5 and right column 6 and is slidingly matched.

Fig. 9 is the structural representation of frame seat and base; As shown in the figure: frame seat 23 is pressed on the base 24 and with base 24 single-degree-of-freedom on fore-and-aft direction and is slidingly matched; Mobile oil cylinder 25 is set respectively in the left and right sides of base 24; The cylinder seat of said mobile oil cylinder 25 is fixedly connected with base 24, and the piston rod that moves oil cylinder 25 is fixedly connected with frame seat 23.On frame seat 23, fixedly install three up-down hydraulic pressure steel 26 (present embodiments that are used for supporting whole frame seat 23 and base 24 at least; Up-down hydraulic pressure steel 26 is installed at place, four angles at frame seat 23 respectively); The cylinder seat of up-down hydraulic pressure steel 26 is fixedly mounted on the frame seat 23; Base 24 is provided with strip through-hole with the correspondence position of up-down hydraulic pressure steel 26 along fore-and-aft direction, and the piston rod of lifting hydraulic cylinder 26 straight down and vertically corresponding with strip through-hole.The piston rod of lifting hydraulic cylinder 26 stretch out and the bar shaped of passing on the base 24 logical, support on the ground, whole base 24 is propped with the various devices on frame seat 23 and the frame seat 23; Move oil cylinder 25 actions, the piston rod that moves oil cylinder 25 stretches out, and promotes base 24 relative frame seats 23 and slides; Restart lifting hydraulic cylinder 26 after the slip, the piston rod withdrawal of lifting hydraulic cylinder 26, base 24 is pressed on the ground; Start at last and move oil cylinder 25; Move the piston rod withdrawal of oil cylinder 25, promote frame seat 23 again and slide, thereby realize whole frame seat and the walking of base stride.

When using this project rig, it is downward to stir balladeur train 19 through operating mechanism 20, the internal tooth engagement of the external tooth of balladeur train 19 and reduction gearing 35; Motor 7 rotates, through clutch 28, reducer 29 and universal joint 31 with transmission of power to the power shaft of commutator 8, the first little circular-arc bevel gear of power shaft drives shaft gear 11 and rotates; Shaft gear 11 rotates and drives reduction gearing 35 rotations again; Reduction gearing 35 is given commutator main shaft 13 through balladeur train 19 with transmission of power, and commutator main shaft 13 drives six square shaft sleeve gears 40 for six side's turning cylinders, 17, six side's turning cylinders 17 transmission of power simultaneously and rotates; Six square shaft sleeve gears 40 drive gear wheel 39 again and rotate; Gear wheel drives main shaft 38 and rotates, and main shaft 38 drives kelly 27 again and rotates, thereby realizes filling pile construction.

If stir chain-wheel box meshing gear 21 through fork operating mechanism 22; Mesh in the internal tooth of the external tooth insertion sprocket wheel 18 of chain-wheel box meshing gear 21 and with internal tooth; Be delivered to power on the orthodrome bevel gear 15 power output shaft and the chain-wheel box meshing gear 21 through the second little circular-arc bevel gear 16 and commutator 8 with transmission of power to chain-wheel box 30; Drive hoist engine 9 actions through chain gear transmission, realize drilling tool lifting or decline.

Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of present technique scheme, it all should be encompassed in the middle of the claim scope of the present invention.

Claims

1. engineering driller; Comprise frame seat (23) and be arranged on motor (7), clutch (28), reducer (29), six side's turning cylinders (17), unit head (1), kelly (27), feed cylinder (3) and the chuck (2) that the piston rod of the relative feed cylinder (3) of kelly (27) is vertically fixing on the frame seat (23); Said kelly (27) vertically passes unit head (1); Said motor (7) is given six side's turning cylinders (17) through clutch (28) and reducer (29) with transmission of power successively; Six side's turning cylinders (17) drive kelly (27) through the tooth engagement; It is characterized in that: also comprise portal frame (4), said portal frame (4) comprises left column (5) and right column (6), the both sides of said unit head (1) be stuck in that left column (5) and right column (6) are gone up and with the column of respective side up and down single-degree-of-freedom be slidingly matched; Said feed cylinder (3) is two; Be fixedly installed on the bottom of left column (5) and right column (6) respectively; The piston rod of feed cylinder (3) withstands on the unit head (1) straight up, and said chuck (2) is arranged on the below of unit head (1), and kelly (27) is stuck in the chuck (2); Also comprise commutator (8) and chain-wheel box (30); Said commutator (8) comprises power input shaft (10), shaft gear (11), output shaft (12), commutator main shaft (13), the first little circular-arc bevel gear (14), orthodrome bevel gear (15), the second little circular-arc bevel gear (16) and reduction gearing (35); Said power input shaft (10) is connected with the power output shaft of reducer (29); The said first little circular-arc bevel gear (14) is installed on the power input shaft (10); Said orthodrome bevel gear (15) is installed on the shaft gear (11); The said second little circular-arc bevel gear (16) is installed on the output shaft (12); The said first little circular-arc bevel gear (14) and the engagement of orthodrome bevel gear (15) tooth, said orthodrome bevel gear (15) and the engagement of second little circular-arc bevel gear (16) tooth, said output shaft (12) is connected with the sprocket wheel (18) of chain-wheel box (30) through first clutch; Shaft gear (11) is connected with commutator main shaft (13) with second clutch through reduction gearing (35) successively, and said commutator main shaft (13) is fixedly connected with six side's turning cylinders (17).

2. engineering driller according to claim 1; It is characterized in that: the operating mechanism (20) that said first clutch comprises shifting slide gear (19) and drives shifting slide gear (19) and reduction gearing (35) engagement or break away from, said shifting slide gear (19) be enclosed within that main shaft (13) is gone up and with main shaft (13) radially fixed axis to slidably cooperating; Said second clutch comprises chain-wheel box meshing gear (21) and drive chain roller box meshing gear (21) and sprocket wheel (18) engagement of chain-wheel box (30) or the fork operating mechanism (22) that breaks away from, the output shaft (12) that said drive chain roller box meshing gear (21) is enclosed within commutator (8) go up and with output shaft (12) radially fixed axis to slidably cooperating.

3. engineering driller according to claim 1 and 2; It is characterized in that: also comprise base (24); Said commutator (8), hoist engine (9) and portal frame (4) are installed on the frame seat (23); Said frame seat (23) is pressed in base (24) and upward and with base (24) is slidingly matched in the fore-and-aft direction single-degree-of-freedom; The left and right sides of said base (24) is provided with mobile oil cylinder (25) respectively, and the cylinder seat of said mobile oil cylinder (25) is fixedly connected with base (24), and the piston rod that moves oil cylinder (25) is fixedly connected with frame seat (23); At least fixedly install three lifting hydraulic cylinders (26) that are used to support whole frame seat (23) and base (24) on the said frame seat (23); Said base (24) is gone up and the correspondence position of lifting hydraulic cylinder (26) is provided with strip through-hole along fore-and-aft direction, and the piston rod of said lifting hydraulic cylinder (26) straight down and vertically corresponding with strip through-hole.