CN211038504U - Downward-pressing push type rotary drilling rig - Google Patents

Abstract

The utility model discloses a rig is dug soon to push down impulse type, which comprises a vehicle rack, power unit is installed to the frame rear side, power unit installs the below and digs the mechanism soon, chassis telescopic machanism is installed to the frame below, install upset elevating system on the frame, push down impulse mechanism is installed to upset elevating system one side. The beneficial effects of the utility model are that, can be convenient for to dig the rig soon through hydraulic telescoping rod's flexible and turn over from the frame or put on the frame, when drilling, can impress through headstock self weight in the hole of digging out with protecting a section of thick bamboo, prevent that the hole from collapsing or the soil floating entering, install the rotatable extension tooth that expandes on the drill bit, can subaerial open than protecting a hole that the external diameter is big, it descends to be convenient for protect a section of thick bamboo, extend the tooth and can withdraw when the reversal, be convenient for take out the drill bit, through the length of extension rod multiplicable self between the drill bit, be convenient for bore out deeper hole, through the flexible on hydraulic telescoping chassis, can be convenient for be close to the wall with this device.

Description

Downward-pressing push type rotary drilling rig

Technical Field

The utility model relates to a construction equipment technical field, more specifically the theory says, relates to a rig is dug soon to push down impulse type.

Background

In the building work progress, need punch and install steel reinforcement cage, pouring concrete subaerial to preparation pile foundation generally can use when punching and dig the rig soon, when using the rig drilling of digging soon, in order to prevent that the hole of digging out from collapsing and the soil slick reflux, can place in the hole and protect a section of thick bamboo, protect a section of thick bamboo and can descend along with the excavation of hole, so that protect the hole.

Among the prior art, generally when excavating the hole, can will protect a section of thick bamboo to rotate along with the rotation of drill bit, and pulling downwards through the revolving force of drill bit, and make and protect a section of thick bamboo and remove downwards, hole that drills out is bigger than protecting a section of thick bamboo in order to guarantee, the external diameter of drill bit can be greater than the external diameter that protects a section of thick bamboo, thereby the decline of a section of thick bamboo of can protecting, but protect a section of thick bamboo when descending and rotating, because the soil in the hole can have great frictional force with protecting a section of thick bamboo outer wall, can cause extra power consumption, still can cause extra resistance to the drilling rod, influence the life of drilling rod, and influence work efficiency, when installation steel reinforcement cage and pouring concrete, because the drill bit external diameter is greater than the external diameter that protects a section of thick bamboo, the drill bit can't take out from protecting a section of thick bamboo, if take out a section of thick bamboo and a drill bit.

SUMMERY OF THE UTILITY MODEL

To the above defect, the utility model provides a stew in soy sauce egg packing back cut counting assembly to the problem of solution.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a downward-pressing push type rotary drilling rig comprises a frame, wherein a power mechanism is arranged at the rear side of the frame, a rotary drilling mechanism is arranged below the power mechanism, a chassis telescoping mechanism is arranged below the frame, an overturning lifting mechanism is arranged on the frame, a downward-pressing push mechanism is arranged at one side of the overturning lifting mechanism,

the turnover lifting mechanism comprises a fixed frame fixedly arranged at one end of the rear side of the upper surface of the vehicle frame, two sides of the upper end of the fixed frame are provided with U-shaped notches, one side of the fixed frame is provided with a hydraulic telescopic cylinder, one end of the hydraulic telescopic cylinder is positioned in the fixed frame, one end of the surface of two sides of the hydraulic telescopic cylinder is provided with a fixed rod, the fixed rod is arranged in the U-shaped notch, the telescopic end of the hydraulic telescopic cylinder is provided with a first fixed bearing, one side of the first fixed bearing is provided with a connecting rod, one side of the fixed frame is provided with a plurality of fixed plates, the fixed plates are provided with circular through holes, a rotating shaft is arranged above the vehicle frame and is positioned between the fixed plates, two ends of the rotating shaft penetrate through the circular through holes and extend, the upper ends of the surfaces of both sides of the square frame are provided with supporting frames, the two ends of the middle position of the inner side surface of the square frame are provided with connecting frames, one end of each connecting frame is provided with a connecting hole which is sleeved on the rotating shaft, a supporting frame is arranged above the connecting frames, the inner side surface of each supporting frame is provided with a second fixed bearing, the two sides of the upper surface of the frame are provided with limiting mechanisms, a hydraulic telescopic rod is arranged in each limiting mechanism, the two ends of the telescopic end of each hydraulic telescopic rod are provided with connecting shafts, the two,

the downward-pressing propulsion mechanism comprises sliding grooves positioned at two ends of the inner side surface of the square frame, a power box is arranged between the square frames, sliding blocks are arranged on the two side surfaces of the power box, one end of each sliding block extends into the corresponding sliding groove, a first fixed pulley is arranged on the upper surface of the power box, a square inlet and a square outlet are formed in the upper end of each square frame, a second fixed pulley is arranged on one side of each square inlet and outlet, a hydraulic winch is arranged on one side of the upper surface of the frame, a first steel wire rope is arranged on the hydraulic winch, the first steel wire rope penetrates through the corresponding square inlet and outlet and is connected with the first fixed pulley and the second fixed pulley, two support tables are respectively arranged on two sides of the upper surface of the power box, circular holes are formed in the support tables, a third fixed bearing is arranged in each circular hole, a take-up shaft is arranged, the surfaces of two sides of the square frame are provided with guide grooves, the upper end and the lower end of each guide groove are provided with a third fixed pulley, one side of each third fixed pulley is provided with a wire inlet, a take-up shaft is wound with a second steel wire rope, one end of each second steel wire rope bypasses the two third fixed pulleys and penetrates through the wire inlets to extend to the inner side of the square frame, and the tail end of each second steel wire rope is connected with a pressing block.

Further, stop gear includes the spacing platform of fixed mounting at frame upper surface rear side both ends, and spacing bench is opened there is the spacing groove, and the limiting groove is equipped with the movable plate, and the limiting plate is installed to movable plate upper surface both sides, and limiting plate inboard surface mounting has the fourth fixed bearing, and the dwang is installed to the hydraulic telescoping rod lower extreme, and dwang one end inserts in the fourth fixed bearing.

Further, locking mechanism includes L shape fixed column of fixed mounting in ratchet one side, installs fifth fixing bearing on the L shape fixed column, and the check lock lever is installed to fifth fixing bearing one side, and the release link is installed to the check lock lever below, and surface mounting has reset spring on the release link, reset spring upper end and check lock lever lower extreme fixed connection.

Furthermore, the power mechanism comprises round openings positioned at two opposite angles of the upper surface of the power box, two motors are arranged on the upper surface of the power box, the rotating ends of the motors penetrate through the round openings and extend into the power box, a first gear is arranged at the rotating ends of the motors, sixth fixed bearings are arranged at the upper end and the lower end of one side of the round openings, a first transmission shaft is arranged between the two sixth fixed bearings, a second gear is arranged at the upper end of the first transmission shaft, a third gear is arranged below the second gear, seventh fixed bearings are arranged at one sides of the sixth fixed bearings, a second transmission shaft is arranged between the two seventh fixed bearings, a fourth gear is arranged on the second transmission shaft, a fifth gear is arranged below the fourth gear, eighth fixed bearings are arranged at the upper end and the lower end of the middle position in the power box, an output hole is arranged at the lower end of the middle position in the power box, an output gear is installed on the output shaft, the lower end of the output shaft penetrates through the output hole and extends to the lower portion of the power box, and a connecting disc is installed at the lower end of the output shaft.

Furthermore, the first gear is meshed with the second gear, the third gear is meshed with the fourth gear, the fifth gear is meshed with the output gear, the first gear, the third gear and the fifth gear are small gears, and the second gear, the fourth gear and the output gear are large gears.

Further, dig the mechanism soon and include the drill bit of bolted connection in connection pad below, the heliciform baffle is installed in the drill bit outside, and surface mounting has a plurality of ninth fixing bearing under the heliciform baffle, and the rotation axis is installed to ninth fixing bearing lower extreme, and extension tooth is installed to rotation axis lower extreme one side, and the dog is installed to the rotation axis both sides, and a section of thick bamboo has been placed to drill bit outside suit, protects a section of thick bamboo upper end outside welding and has a plurality of metal sheets.

Further, there are a plurality of detachable extension rods above the drill bit through bolted connection, a plurality of protect between the section of thick bamboo through the metal sheet welding together, the section of thick bamboo both ends welding that protects of the top has spacing post, and spacing post is located square frame front side both ends.

Furthermore, chassis telescopic machanism includes the hydraulic support leg of fixed mounting in four angles departments of frame lower surface, and telescopic hydraulic pressure track chassis is installed to the frame below.

The utility model has the advantages that: the drilling machine can conveniently turn out or put the rotary digging device from the frame through the extension and retraction of the hydraulic telescopic cylinder, can finely move the rotary digging device leftwards and rightwards when the rotary digging device is used through the extension and retraction of the hydraulic telescopic cylinder, is convenient for accurate positioning, puts the protective cylinder into a drilled hole, can drill a hole larger than the outer diameter of the protective cylinder through the extending teeth which are arranged below the drill bit and can stretch out and retract, is convenient for putting the protective cylinder into the hole, can enable the inner diameter of the protective cylinder to be slightly larger than the outer diameter of the drill bit when the drill bit is taken out, enables the drill bit to be reversed, is convenient for taking out the drill bit, installs the pressing block on the protective cylinder after putting the protective cylinder into the hole, connects the pressing block with the power box through a steel wire rope, can enable the power box to move downwards under the action of gravity and press the protective cylinder downwards when the protective cylinder is pressed downwards, does not need to rotate and reduces the power consumption, two motors are installed on the power box, transmission is carried out through gears, sufficient power is guaranteed to be provided, the gear wheel is driven to rotate through the pinion, the rotating speed of the drill bit can be reduced, the drill bit is prevented from being damaged due to the fact that the drill bit rotates too fast, the telescopic hydraulic crawler chassis installed below the frame can be used for enabling the drilling machine to be close to a wall when construction is carried out, and the drilling machine is convenient to use.

Drawings

Fig. 1 is a schematic structural view of a push-down type rotary drilling rig according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partial schematic view of the turnover lifting mechanism of the present invention;

fig. 4 is a schematic view of the position relationship between the fixing plate and the connecting frame of the present invention;

fig. 5 is a schematic diagram of the position relationship between the support frame and the hydraulic telescopic rod of the present invention;

fig. 6 is a partial schematic view of the push-down propulsion mechanism of the present invention;

FIG. 7 is a partial enlarged view at B in FIG. 6;

fig. 8 is a partial schematic view of the limiting mechanism of the present invention;

fig. 9 is a partial schematic view of the locking mechanism of the present invention;

fig. 10 is a partial schematic view of the power mechanism according to the present invention;

fig. 11 is a partial schematic view of the rotary excavating mechanism of the present invention;

FIG. 12 is a schematic view of the connection of the drill bit and extension rod of the present invention;

fig. 13 is a schematic view of the position relationship between the casing and the limiting post according to the present invention;

fig. 14 is a partial schematic view of the chassis telescoping mechanism of the present invention;

in the drawing, the gear transmission mechanism comprises a frame 1, a frame 2, a fixed frame 3, a U-shaped notch 4, a hydraulic telescopic cylinder 5, a fixed rod 6, a first fixed bearing 7, a connecting rod 8, a fixed plate 9, a circular through hole 10, a rotating shaft 11, a connecting groove 12, a circular baffle 13, a square frame 14, a supporting frame 15, a connecting frame 16, a connecting hole 17, a supporting frame 18, a second fixed bearing 19, a hydraulic telescopic rod 20, a connecting shaft 21, a sliding chute 22, a power box 23, a sliding block 24, a first fixed pulley 25, a square inlet/outlet 26, a second fixed pulley 27, a hydraulic winch 28, a first steel wire rope 29, a supporting table 30, a circular hole 31, a third fixed bearing 32, a take-up shaft 33, a ratchet wheel 34, a guide groove 35, a third fixed pulley 36, a wire inlet port 37, a second steel wire rope 38, a press block 39, a limiting table 40, a limiting groove 41, a moving plate 42, a fixed bearing 43, a fourth fixed bearing 43, a guide groove 35, a third fixed shaft 35, a rotary rod 52, a rotary rod 65, a fifth fixed bearing 3544, a rotary shaft 52, a fifth fixed bearing 52, a rotary shaft 65, a sixth fixed bearing 52, a spring 65, a fifth fixed bearing 48, a gear 65, a sixth fixed bearing 48, a gear 65, a gear extension shaft 52, a spring 55, a sixth fixed bearing 48, a spring 55, a fifth gear extension shaft 52, a sixth gear 65, a sixth fixed bearing 48, a sixth gear 65, a fifth gear extension shaft 52, a sixth fixed bearing 48, a sixth gear 65, a sixth fixed bearing, a sixth gear 65, a sixth gear extension shaft 52, a sixth gear extension shaft, a sixth fixed bearing, a sixth gear 65, a sixth gear.

Detailed Description

The invention is described in detail below with reference to the drawings, as shown in fig. 1-14: a downward-pressing push type rotary drilling rig comprises a frame 1, a power mechanism is arranged at the rear side of the frame 1, a rotary drilling mechanism is arranged below the power mechanism, a chassis telescoping mechanism is arranged below the frame 1, a turnover lifting mechanism is arranged on the frame 1, a downward-pressing push mechanism is arranged at one side of the turnover lifting mechanism,

the turnover lifting mechanism comprises a fixed frame 2 fixedly arranged at one end of the rear side of the upper surface of a vehicle frame 1, two sides of the upper end of the fixed frame 2 are provided with U-shaped notches 3, one side of the fixed frame 2 is provided with a hydraulic telescopic cylinder 4, one end of the hydraulic telescopic cylinder 4 is positioned in the fixed frame 2, one end of the two side surfaces of the hydraulic telescopic cylinder 4 is provided with a fixed rod 5, the fixed rod 5 is arranged in the U-shaped notch 3, the telescopic end of the hydraulic telescopic cylinder 4 is provided with a first fixed bearing 6, one side of the first fixed bearing 6 is provided with a connecting rod 7, one side of the fixed frame 2 is provided with a plurality of fixed plates 8, the fixed plates 8 are provided with circular through holes 9, a rotating shaft 10 is arranged above the vehicle frame 1, the rotating shaft 10 is positioned between the fixed plates 8, two ends of the rotating shaft, the other end of the rotating shaft 10 is connected with a circular baffle 12 through a bolt, a square frame 13 is arranged on one side of the vehicle frame 1, a supporting frame 14 is arranged at the upper ends of the two side surfaces of the square frame 13, a connecting frame 15 is arranged at the two ends of the middle position of the inner side surface of the square frame 13, a connecting hole 16 is formed in one end of the connecting frame 15, the connecting hole 16 is sleeved on the rotating shaft 10, a supporting frame 17 is arranged above the connecting frame 15, a second fixed bearing 18 is arranged on the inner side surface of the supporting frame 17, a limiting mechanism is arranged on the two sides of the upper surface of the vehicle frame 1, a hydraulic telescopic rod 19 is arranged in the limiting mechanism, a connecting shaft 20 is arranged at the two ends of the telescopic end of the hydraulic telescopic rod 19, and the two,

the pushing mechanism comprises sliding grooves 21 positioned at two ends of the inner side surface of a square frame 13, a power box 22 is arranged between the square frames 13, sliding blocks 23 are arranged on the two side surfaces of the power box 22, one end of each sliding block 23 extends into the corresponding sliding groove 21, a first fixed pulley 24 is arranged on the upper surface of the power box 22, a square inlet and outlet 25 is formed in the upper end of the square frame 13, a second fixed pulley 26 is arranged on one side of the square inlet and outlet 25, a hydraulic winch 27 is arranged on one side of the upper surface of the frame 1, a first steel wire rope 28 is arranged on the hydraulic winch 27, the first steel wire rope 28 penetrates through the square inlet and outlet 25 and is connected with the first fixed pulley 24 and the second fixed pulley 26, two supporting tables 29 are respectively arranged on two sides of the upper surface of the power box 22, circular holes 30 are formed in the supporting tables 29, a third fixed bearing 31 is arranged in each circular hole 30, a take-up shaft 32 is, ratchet wheels 33 are installed at two ends of a take-up shaft 32, a locking mechanism is installed on one side of each ratchet wheel 33, guide grooves 34 are formed in the surfaces of two sides of a square frame 13, third fixed pulleys 35 are installed at the upper ends and the lower ends of the guide grooves 34, a wire inlet 36 is formed in one side of each third fixed pulley 35, a second steel wire rope 37 is wound on the take-up shaft 32, one end of each second steel wire rope 37 bypasses the two third fixed pulleys 35 and penetrates through the wire inlet 36 to extend to the inner side of the square frame 13, a pressing block 38 is connected to the tail end of each second steel wire rope 37, the protective cylinder 72 can be pressed downwards through gravity.

Limiting mechanism includes the spacing platform 39 at frame 1 upper surface rear side both ends, it has spacing groove 40 to open on the spacing platform 39, be equipped with movable plate 41 in the spacing groove 40, limiting plate 42 is installed to movable plate 41 upper surface both sides, limiting plate 42 inboard surface mounting has fourth fixed bearing 43, dwang 44 is installed to hydraulic telescoping rod 19 lower extreme, dwang 44 one end is inserted in fourth fixed bearing 43, can be convenient for when adjusting square frame 13 position, make hydraulic telescoping rod 19 remove in spacing platform 39.

The locking mechanism comprises an L-shaped fixing column 45 fixedly mounted on one side of the ratchet wheel 33, a fifth fixing bearing 46 is mounted on the L-shaped fixing column 45, a locking rod 47 is mounted on one side of the fifth fixing bearing 46, a reset rod 48 is mounted below the locking rod 47, a reset spring 49 is mounted on the upper surface of the reset rod 48, the upper end of the reset spring 49 is fixedly connected with the lower end of the locking rod 47, the ratchet wheel 33 can be prevented from reversing, and the second steel wire rope 37 can be tensioned conveniently.

The power mechanism comprises round openings 50 positioned at two opposite angles of the upper surface of the power box 22, two motors 51 are arranged on the upper surface of the power box 22, the rotating ends of the motors 51 penetrate through the round openings 50 and extend into the power box 22, a first gear 52 is arranged at the rotating ends of the motors 51, sixth fixed bearings 53 are arranged at the upper and lower ends of one side of each round opening 50, a first transmission shaft 54 is arranged between the two sixth fixed bearings 53, a second gear 55 is arranged at the upper end of the first transmission shaft 54, a third gear 56 is arranged below the second gear 55, seventh fixed bearings 57 are arranged at one sides of the sixth fixed bearings 53, a second transmission shaft 58 is arranged between the two seventh fixed bearings 57, a fourth gear 59 is arranged on the second transmission shaft 58, a fifth gear 60 is arranged below the fourth gear 59, an eighth fixed bearing 61 is arranged at the upper and lower ends of a middle position in the power box 22, and an output hole 62 is formed at the lower end, an output shaft 63 is installed between the two eighth fixed bearings 61, an output gear 64 is installed on the output shaft 63, the lower end of the output shaft 63 penetrates through the output hole 62 to extend to the lower portion of the power box 22, and a connecting disc 65 is installed at the lower end of the output shaft 63 and is driven by the two motors 51, so that the power is stronger.

The first gear 52 is meshed with the second gear 55, the third gear 56 is meshed with the fourth gear 59, the fifth gear 60 is meshed with the output gear 64, the first gear 52, the third gear 56 and the fifth gear 60 are small gears, the second gear 55, the fourth gear 59 and the output gear 64 are large gears, and the large gears are driven to rotate by the small gears, so that the rotating speed of the drill bit can be reduced, and the drill bit is protected conveniently.

The rotary drilling mechanism comprises a drill bit 66 connected below the connecting disc 65 through a bolt, a spiral baffle 67 is installed on the outer side of the drill bit 66, a plurality of ninth fixed bearings 68 are installed on the lower surface of the spiral baffle 67, a rotating shaft 69 is installed at the lower end of the ninth fixed bearings 68, extending teeth 70 are installed on one side of the lower end of the rotating shaft 69, stop blocks 71 are installed on two sides of the rotating shaft 69, a pile casing 72 is placed on the outer side of the drill bit 66 in a sleeved mode, a plurality of metal plates 73 are welded on the outer side of the upper end of the pile casing 72, a hole.

There are a plurality of detachable extension rods 74 above the drill bit 66 through bolted connection, and a plurality of pile casings 72 are welded together through metal plates 73, and the welding of the both ends of the pile casing 72 of the top has spacing post 75, and spacing post 75 is located square frame 13 front side both ends, and the multiplicable degree of depth of digging soon.

The chassis telescoping mechanism comprises hydraulic support legs 76 fixedly arranged at four corners of the lower surface of the frame 1, and a telescopic hydraulic crawler chassis 77 is arranged below the frame 1 and is convenient to be close to a wall.

In this embodiment, the electric equipment of the drilling machine is controlled by an external controller, the drilling machine is transported to a designated position by a transport vehicle, a driver sits in a cab on the frame 1, the drilling machine can be moved from the transport vehicle to the designated position by controlling the movement of the telescopic hydraulic crawler chassis 77, the hydraulic support legs 76 are started to extend to support the drilling machine on the ground and lift the telescopic hydraulic crawler chassis 77 off the ground, the hydraulic cylinders in the telescopic hydraulic crawler chassis 77 are started to extend to push the crawler belts on two sides of the telescopic hydraulic crawler chassis 77 outwards so as to be close to the wall, the length of the chassis is extended, the use is more stable, the hydraulic support legs 76 are started to shorten to enable the telescopic hydraulic crawler chassis 77 to fall on the ground,

the hydraulic telescopic rod 19 is started to extend, the connecting frame 15 and the rotating shaft 10 on the square frame 13 rotate in the circular through hole 9 in the fixing plate 8, the connecting shaft 20 at the telescopic end of the hydraulic telescopic rod 19 rotates in the second fixing bearing 18, the rotating rod 44 at the lower end of the hydraulic telescopic cylinder 19 rotates in the third fixing bearing 43, the square frame 13 is turned down from the vehicle frame 1, one end of the square frame 13 falls on the ground, when the square frame 13 is turned over, the hydraulic winch 27 is started to discharge the first steel wire rope 28, the square frame 13 is convenient to rotate, the hydraulic telescopic cylinder 4 is installed on the inner side of the fixing frame 2, the fixing rod 5 is placed into the U-shaped notch 3, the hydraulic telescopic cylinder 4 can be prevented from moving, the hydraulic telescopic cylinder 4 is connected with the connecting groove 11 on the rotating shaft 10 through the first fixing bearing 6 and the connecting rod 7 through a bolt, when the rotating shaft 10 rotates, the connecting rod 7 can be driven to rotate in the first fixing bearing, the hydraulic telescopic cylinder 4 is started to extend or contract to drive the rotating shaft 10 to move between the fixed plates 8, the circular baffle 12 can prevent the rotating shaft 10 from separating from the circular through hole 9, when the rotating shaft 10 moves, the connecting frame 15 can drive the square frame 13 to move, the connecting frame 17 is connected with the hydraulic telescopic rod 19 to drive the moving plate 41 at the lower end of the hydraulic telescopic rod 19 to move in the limiting groove 40, the circular baffle 12 can limit the moving distance of the rotating shaft 10, so that the moving plate 41 is prevented from separating from the limiting groove 40, and the position of the square frame 13 is finely adjusted,

a drill 66 is installed on a connecting disc 65 below a power box 22 through bolt connection, the hydraulic winch 27 is started to pay off, under the action of gravity, sliding blocks 23 at two ends of the power box 22 move downwards in a sliding groove 21, the position of the drill 66 is lowered, the two motors 51 are started to rotate forwards, the rotating ends of the motors 51 penetrate through a round opening 50 and extend into the power box 22, the first gear 52 is driven to rotate, the first transmission shaft 54, the second gear 55 and the third gear 56 can be driven to rotate between sixth fixed bearings 53 through meshing of the first gear 52 and the second gear 55, the second transmission shaft 58, the fourth gear 59 and the fifth gear 60 can be driven to rotate between the seventh fixed bearings 57 through rotation of the third gear 56 and the fourth gear 59, and an output shaft 63 can be driven to rotate through meshing of the fifth gear 60 and an output gear 64, The output gear 64 rotates between the eighth fixed bearing 61 and drives the connecting disc 65 to rotate, thereby driving the drill bit 66 to rotate clockwise, because the first gear 52, the third gear 56 and the fifth gear 60 are small gears, the second gear 55, the fourth gear 59 and the output gear 64 are big gears, the gears are meshed, and the big gears are driven by the small gears to rotate, thereby forming a speed reducer, when the motor 51 rotates fast, the drill bit can be driven to rotate slowly, the drill bit can be prevented from rotating too fast and being damaged, and through the rotation of the two motors 51, the sufficient power can be ensured when the drill bit 66 rotates,

when the drill 66 rotates clockwise, the hydraulic winch 27 is started to slowly pay out the first steel wire rope 28, so that the drill 66 drills a hole on the ground, the spiral baffle 67 on the drill 66 can guide out soil floating generated during drilling, when the drill 66 rotates clockwise, the extension tooth 70 below the spiral baffle 67 rotates on the rotating shaft 69 under the action of friction force with the inner wall of the hole, the extension tooth 70 is unfolded to drill the hole, the extension tooth 70 can be prevented from rotating continuously by the stop 71, a hole larger than the outer diameter of the drill 66 can be drilled, after the drill is drilled to a certain depth, the connecting disc 65 is disconnected from the drill 66, the winch 27 is started to take up the wire, the power box 22 can be pulled upwards by the first steel wire rope 28 wound on the first fixed pulley 24 and the second fixed pulley 26, a hole larger than the protective cylinder 72 can be drilled by the extension tooth 70, the protective cylinder 72 is placed into the hole, the protective cylinder 72 is convenient for lowering the protective cylinder 72, the limiting columns 75 are welded on both sides of the upper end of the protective cylinder 72, the limiting columns 75 are positioned on the front side of the lower end of the square frame 13, the locking rod 74 is placed into the protective cylinder, the protective cylinder 72, the protective cylinder is connected with the extension rod 33, when the extension rod is connected with the extension rod 47, the extension rod, the ratchet wheel 9 is connected with the ratchet wheel 47, the ratchet wheel 33, the ratchet wheel 37 is connected with the ratchet wheel 47, the ratchet wheel 47 is connected with the ratchet wheel, the ratchet wheel 47 is connected with the ratchet,

when the drill 66 drills a hole, the first steel wire rope 28 is paid out through the hydraulic winch 27, the power box 22 moves downwards, the take-up shaft 32 is driven to move downwards, at the moment, the second steel wire rope 37 is pulled, the tension direction of the second steel wire rope 37 is changed through the two third fixed pulleys 35, the pressing block 38 is pressed downwards, when the power box 22 descends, the protective cylinder 72 synchronously descends through the driving of the second steel wire rope 37, after the protective cylinder 72 is pressed to a certain depth, the extension rod 74 is disconnected with the connecting disc 65, the power box 22 is lifted, the limiting column 75 at the upper end of the protective cylinder 72 is taken down, a new protective cylinder 72 is welded above the protective cylinder 72 through the metal plate 73, the limiting column 75 is welded at the upper end of the protective cylinder 72 above to prevent the protective cylinder 72 from rotating when descending, a new extension rod 74 is added into the protective cylinder 72, and the processes are repeated to continue drilling,

after drilling, the starting motor 51 rotates reversely and drives the drill 66 to rotate anticlockwise, the hydraulic winch 27 is started to pull up the power box 22, so that the extension rod 74 is taken out in sequence and the bolt connection is broken, when the drill 66 is taken out, the extension teeth 70 return to the lower part of the spiral baffle 67 under the action of the friction force in the hole and are blocked by the block 71 due to the anticlockwise rotation of the drill 66, the drill 66 can be taken out conveniently, the hydraulic extension rod 19 is started to be shortened, the square frame 13 can be retracted to the upper part of the vehicle frame 1 and supported by the supporting frame 14, the drill is moved to a transport vehicle for transfer,

and (3) placing a steel bar cage into the pile casing 72 by using a cage crane, pouring concrete into the steel bar cage, lifting the pile casing 72 by using the cage crane when pouring the concrete, and separating the welded pile casings 72 to finish the whole working process.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims (8)

1. A downward-pressing push type rotary drilling rig comprises a frame (1), wherein a power mechanism is installed on the rear side of the frame (1), a rotary drilling mechanism is installed below the power mechanism, a chassis telescoping mechanism is installed below the frame (1), the downward-pressing push type rotary drilling rig is characterized in that an overturning lifting mechanism is installed on the frame (1), a downward-pressing push mechanism is installed on one side of the overturning lifting mechanism,

the turnover lifting mechanism comprises a fixed frame (2) fixedly arranged at one end of the rear side of the upper surface of a frame (1), two sides of the upper end of the fixed frame (2) are provided with U-shaped notches (3), one side of the fixed frame (2) is provided with a hydraulic telescopic cylinder (4), one end of the hydraulic telescopic cylinder (4) is positioned in the fixed frame (2), one end of the surface of two sides of the hydraulic telescopic cylinder (4) is provided with a fixed rod (5), the fixed rod (5) is arranged in the U-shaped notches (3), the telescopic end of the hydraulic telescopic cylinder (4) is provided with a first fixed bearing (6), one side of the first fixed bearing (6) is provided with a connecting rod (7), one side of the fixed frame (2) is provided with a plurality of fixed plates (8), the fixed plates (8) are provided with circular through holes (9), a rotating shaft (10) is arranged above the frame (1), the rotating shaft (10) is positioned between, one end of a rotating shaft (10) is provided with a connecting groove (11), a connecting rod (7) is connected with the connecting groove (11) through a bolt, the other end of the rotating shaft (10) is connected with a circular baffle (12) through a bolt, one side of a vehicle frame (1) is provided with a square frame (13), the upper ends of the surfaces of the two sides of the square frame (13) are provided with supporting frames (14), the middle positions of the inner side surface of the square frame (13) are provided with connecting frames (15), one end of each connecting frame (15) is provided with a connecting hole (16), the connecting holes (16) are sleeved on the rotating shaft (10), a supporting frame (17) is arranged above the connecting frames (15), the inner side surface of each supporting frame (17) is provided with a second fixed bearing (18), the two sides of the upper surface of the vehicle frame (1) are provided with limiting mechanisms, both ends of the connecting shaft (20) are inserted into the second fixed bearing (18),

the pushing mechanism comprises sliding grooves (21) located at two ends of the inner side surface of a square frame (13), a power box (22) is arranged between the square frames (13), sliding blocks (23) are installed on the surfaces of two sides of the power box (22), one end of each sliding block (23) extends into each sliding groove (21), a first fixed pulley (24) is installed on the upper surface of the power box (22), a square inlet and outlet (25) is formed in the upper end of each square frame (13), a second fixed pulley (26) is installed on one side of each square inlet and outlet (25), a hydraulic winch (27) is installed on one side of the upper surface of the frame (1), a first steel wire rope (28) is installed on each hydraulic winch (27), the first steel wire rope (28) penetrates through the square inlet and outlet (25) and is connected with the first fixed pulley (24) and the second fixed pulley (26), two supporting tables (29) are installed on two sides of the upper surface of the power box (22, install third fixing bearing (31) in round hole (30), be in being equipped with between two brace tables (29) with one side and receive line axle (32), it stretches brace table (29) outside to pass third fixing bearing (31) at receive line axle (32) both ends, ratchet (33) are installed at receive line axle (32) both ends, locking mechanism is installed to ratchet (33) one side, open on square frame (13) both sides surface has guide way (34), third fixed pulley (35) are installed to the lower extreme about guide way (34), open on third fixed pulley (35) one side has inlet wire (36), it has second wire rope (37) to twine on receive line axle (32), second wire rope (37) one end is walked around two third fixed pulley (35) and is passed inlet wire (36) and is stretched square frame (13) inboard, second wire rope (37) end-to-end connection has briquetting (38).

2. The downward-pressing propelling type rotary drilling rig according to claim 1, wherein the limiting mechanism comprises limiting tables (39) fixedly mounted at two ends of the rear side of the upper surface of the frame (1), limiting grooves (40) are formed in the limiting tables (39), a moving plate (41) is arranged in each limiting groove (40), limiting plates (42) are mounted on two sides of the upper surface of each moving plate (41), fourth fixed bearings (43) are mounted on the inner side surfaces of the limiting plates (42), rotating rods (44) are mounted at the lower ends of the hydraulic telescopic rods (19), and one ends of the rotating rods (44) are inserted into the fourth fixed bearings (43).

3. The downward-pressing propelling type rotary drilling rig according to claim 1, wherein the locking mechanism comprises an L-shaped fixing column (45) fixedly mounted on one side of the ratchet wheel (33), a fifth fixing bearing (46) is mounted on the L-shaped fixing column (45), a locking rod (47) is mounted on one side of the fifth fixing bearing (46), a reset rod (48) is mounted below the locking rod (47), a reset spring (49) is mounted on the upper surface of the reset rod (48), and the upper end of the reset spring (49) is fixedly connected with the lower end of the locking rod (47).

4. The push-down rotary drilling rig according to claim 1, wherein the power mechanism comprises round openings (50) positioned at two opposite angles of the upper surface of the power box (22), two motors (51) are mounted on the upper surface of the power box (22), the rotating ends of the motors (51) penetrate through the round openings (50) and extend into the power box (22), a first gear (52) is mounted at the rotating ends of the motors (51), sixth fixed bearings (53) are mounted at the upper end and the lower end of one side of each round opening (50), a first transmission shaft (54) is arranged between the two sixth fixed bearings (53), a second gear (55) is mounted at the upper end of the first transmission shaft (54), a third gear (56) is mounted below the second gear (55), a seventh fixed bearing (57) is mounted at one side of the sixth fixed bearing (53), and a second transmission shaft (58) is mounted between the two seventh fixed bearings (57), install fourth gear (59) on second transmission shaft (58), fifth gear (60) are installed to fourth gear (59) below, eighth fixed bearing (61) are installed to the upper and lower extreme of intermediate position in headstock (22), headstock (22) intermediate position lower extreme is opened there is output hole (62), install output shaft (63) between two eighth fixed bearing (61), install output gear (64) on output shaft (63), output shaft (63) lower extreme passes output hole (62) and stretches headstock (22) below, connection pad (65) are installed to output shaft (63) lower extreme.

5. The rotary drilling rig according to claim 4, wherein the first gear (52) is meshed with the second gear (55), the third gear (56) is meshed with the fourth gear (59), the fifth gear (60) is meshed with the output gear (64), the first gear (52), the third gear (56) and the fifth gear (60) are small gears, and the second gear (55), the fourth gear (59) and the output gear (64) are large gears.

6. The push-down propelling type rotary drilling rig according to claim 1, wherein the rotary drilling mechanism comprises a drill bit (66) which is connected below the connecting disc (65) through a bolt, a spiral baffle (67) is installed on the outer side of the drill bit (66), a plurality of ninth fixed bearings (68) are installed on the lower surface of the spiral baffle (67), a rotating shaft (69) is installed at the lower end of the ninth fixed bearings (68), extending teeth (70) are installed on one side of the lower end of the rotating shaft (69), stop blocks (71) are installed on two sides of the rotating shaft (69), a protective cylinder (72) is placed on the outer side of the drill bit (66) in a sleeved mode, and a plurality of metal plates (73) are welded on.

7. The push-down rotary drilling rig according to claim 6, wherein a plurality of detachable extension rods (74) are connected above the drill bit (66) through bolts, the protective cylinders (72) are welded together through metal plates (73), limiting columns (75) are welded at two ends of the uppermost protective cylinder (72), and the limiting columns (75) are located at two ends of the front side of the square frame (13).

8. The push-down rotary drilling rig according to claim 1, wherein the chassis telescoping mechanism comprises hydraulic support legs (76) fixedly mounted at four corners of the lower surface of the frame (1), and a telescopic hydraulic crawler chassis (77) is mounted below the frame (1).

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