CN204646086U - A kind of water drilling Spiral digging machine - Google Patents

A kind of water drilling Spiral digging machine Download PDF

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Publication number
CN204646086U
CN204646086U CN201520017787.2U CN201520017787U CN204646086U CN 204646086 U CN204646086 U CN 204646086U CN 201520017787 U CN201520017787 U CN 201520017787U CN 204646086 U CN204646086 U CN 204646086U
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drilling rod
water
drilling
winch
power head
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CN201520017787.2U
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Chinese (zh)
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覃炳德
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覃炳德
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Abstract

The utility model discloses a kind of water drilling Spiral digging machine, comprise drive unit and water booster system, workbench, column, drilling rod, rotary power head, water drilling drill bit, column is installed on the table, drilling rod installed by column, drilling rod upper end is connected with water booster system, under water booster system effect, obtain downward pressure; Water drilling drill bit is installed in drilling rod lower end, and drilling rod is provided with water inlet, and be provided with the water channel of hollow in drilling rod and water drilling drill bit, water drilling drill bit is provided with delivery port; Drilling rod is also connected with rotary power head, can rotate under rotary power head effect.The utility model is by column being arranged travelling carriage track and drilling rod travelling carriage, in conjunction with the duplicate sprocket break-in of column lower end, define a kind of lever construction, take duplicate sprocket as node, complete vehicle weight can be added on drilling rod travelling carriage, give drilling rod and water drilling drill bit with enough downforce by drilling rod travelling carriage, thus make water drilling Spiral digging machine of the present utility model can in more complicated soil property rapidly, the boring of deep diving efficiently, realize the object of dual-use.

Description

A kind of water drilling Spiral digging machine
Technical field
The utility model relates to a kind of piling machinery, especially relates to a kind of water drilling Spiral digging machine.
Background technology
Rotary drilling rig, also known as " rotary bucket rig ", A Siteli rig etc., is a kind of heavy caliber deep hole pore-forming equipment.Because the telescopic drill rod adopting square or circle to add sword while adopting " rotary bucket " or " rotary bucket " to fetch earth strengthens drilling depth, so be called as " rotary drilling rig " or " rotary bucket rig ".At present modal rotary drilling rig has two kinds at the construction field (site): a kind of is the attaching converted with crawler crane, another kind of then be completely by carrying out likeness in form excavator that structure copies after external introduction, chassis carries out being adapted as the trapezoidal linkage of employing and hydraulic cylinder acting in conjunction to adjust the full hydraulic of drilling rod verticality.Full hydraulic develops rapidly in recent years, has eliminated heavy and inefficient crawler crane attaching gradually and has become the representative type of rotary drilling rig, having revolved one of the method for digging main hole forming method also becoming heavy caliber deep hole.When the rotary drilling rig piling that use is traditional, motor drives all parts, and drill bit is guided by the wire rope on winch, is subject to driving rear leaning on from gravity downfeed.Therefore, there is defect many as follows in traditional rig that digs: when one, drilling rod is packed up and lain low, the easy loose or dislocation of wire rope; Two, the deadweight of drill bit is not enough, if run into hard earth in boring procedure, and the insufficient pressure that drill bit is advanced downwards; Three, the helical blade on drill bit is longer, and when digging to backspin, the frictional force be subject to is large, and the power that complete machine is consumed is large.A very important problem is simultaneously, nowadays the rotary drilling rig of extensive use, mostly be " dry type " to revolve and dig, under the geology of complexity, carry out drilled dry revolve and dig, bottom below post holes very easily occurs that post holes is caved in when there is layer of sand or Soft Soil Layer, therefore at multiple construction site, rotary drilling rig with rhinestone head revolves and digs effect and will be better than " dry type " rotary drilling rig far away, but because rotary drilling rig complex structure, bulky, change water drilling drill bit very difficult, very inconvenience in the application, also exists the problems such as build is large, consume energy high, complex structure, high in cost of production.On the other hand, special water drilling machine is special equipment, do not possess mobility, often need to be lifted into construction point, install and complicated operation, and be subject to the restriction of its structure, directly apply pressure mainly through hydraulic pressure, be subject to volume and hydraulic press power limit in construction, its efficiency of construction is lower, if but add large volume and hydraulic press power can bring higher cost again, and can because volume and weight problem aggravate construction inconvenience further, simultaneously because run of steel is limited, too dark post holes can not be carried out and revolve and dig, trepanning velocity is slow, takes time and effort.
Utility model content
The utility model, for problems of the prior art, provides the water drilling Spiral digging machine that a kind of structure is simple, the efficiency of convenient transportation, drill large-caliber deep hole is high, complete machine consumes energy low.
The technical solution of the utility model is as follows:
Described water drilling Spiral digging machine, comprise drive unit and water booster system, workbench, column, drilling rod, rotary power head, water drilling drill bit, column is installed on the table, and drilling rod installed by column, drilling rod upper end is connected with water booster system, under water booster system effect, obtain downward pressure; Water drilling drill bit is installed in drilling rod lower end, and drilling rod is provided with water inlet, and be provided with the water channel of hollow in drilling rod and water drilling drill bit, water drilling drill bit is provided with delivery port; Drilling rod is also connected with rotary power head, can rotate under rotary power head effect.
Preferably, described water booster system power resources are hydraulic press, and described water booster system comprises winch, chain, duplicate sprocket and drilling rod travelling carriage; Or described water booster system power resources are Voltage force machine, described water booster system comprises winch, wire rope, pulley and drilling rod travelling carriage.
When water booster system power resources are hydraulic press, described drilling rod travelling carriage by track installation on column; Described winch and duplicate sprocket are arranged on workbench or column; Described chain is provided with two groups, one group of gear of one group of chain solderless wrapped connection winch and duplicate sprocket, and another group is fixedly connected with the two ends of drilling rod travelling carriage after walking around another group gear of duplicate sprocket respectively.
When water booster system power resources are Voltage force machine, described drilling rod travelling carriage by track installation on column; Described winch and pulley are installed on the table; The two ends of described drilling rod travelling carriage are fixedly connected with wire rope respectively, and the wire rope at two ends is respectively by connection winch after the pulley break-in of column lower end.
Described drilling rod is being disconnected formula bar, sliceable many flexible connection drilling rods, the extension arm stroke degree of depth; Described drilling rod and drilling rod travelling carriage adopt dismountable structure, can change different drill bit drilling rods.
Described winch is hydraulic wireline winch or electric winch, and described rotary power head adopts hydraulic-driven or electric drive.
When winch and rotary power head are hydraulic-driven, described drive unit comprises motor, gearbox, double-stage hydraulic oil pump and power takeoff, described double-stage hydraulic oil pump is divided into two-way, and a road provides power to hydraulic wireline winch, and another road provides power to rotary power head.
Described drilling rod is prismatic or square-column-shaped; Described column is provided with rotary power head, and be provided with the drilling rod hole corresponding to drilling rod shape of cross section in the middle of rotary power head, drilling rod penetrates in drilling rod hole; Described prismatic can be triangular prism, quadrangular or polygon-prism etc.
Described rotary power head comprises hydraulic motor, shaft coupling, line shaft, pneumatic linear actuator, shift, declutch shift shaft, shift fork, gear teeth cover, countershaft, gear teeth wheels, train of reduction gears, reduction box input shaft, jackshaft, power head output shaft, deceleration box; Described gear teeth cover is arranged on line shaft, and line shaft is connected by shaft coupling with the projecting shaft of hydraulic motor; Described shift one end is connected with the extension bar of pneumatic linear actuator, and the other end is connected with shift fork, and shift fork is arranged on declutch shift shaft, can move up and down along declutch shift shaft; The other end of described shift fork overlaps with gear teeth and is connected; Described gear teeth cover engages with the gear teeth wheels on countershaft; Described countershaft one end is fixed on the bearing of gearbox inwall, and the other end stretches out outside reduction box and is connected with reduction box input shaft; Described reduction box input shaft, jackshaft and power head output shaft are installed on deceleration box; Described power head output shaft is provided with the drilling rod hole of fixing drilling rod.
Described pneumatic linear actuator and gear teeth cover are respectively equipped with two groups, pneumatic linear actuator is connected to gear teeth by shift and shift fork and puts, a pneumatic linear actuator controls one group of gear teeth cover, be engaged on the gear teeth wheels of different speed change level, for more precisely controlling the output speed of rotary power head effortlessly.
During work, oil circuit is divided into two-way by double-stage hydraulic oil pump, and winch is subject to the driving of a wherein oil circuit, and rotary power head is by the driving of another oil circuit.After winch is driven, allow drilling rod travelling carriage along column movement outside, drilling rod and water drilling drill bit move up and down under the drive of drilling rod travelling carriage; Meanwhile, drilling rod and water drilling drill bit, after being subject to unit head driving, rotate; Carried out the gear shift of rotary power head by the action shift fork promoted on declutch shift shaft of pneumatic linear actuator, overlap according to the gear teeth wheels arranged and gear teeth and become level amount, can two to six grades of speed governing be carried out, revolve when digging and be adjusted to slow shelves, torque-on-bit is maximum, and be adjusted to fast shelves, bit rotation velocity is the fastest.
Compared with prior art, the advantage that has of the utility model and good effect as follows:
The utility model is by Install and configure water drilling drill bit, traditional dry type rotary drill machine is improved, adapt to more construction site, the drill bit mounting structure designed by the utility model, bit change-over can be carried out very easily in construction site, can realize the dual-use of drilled dry and water drilling, practicality is stronger.
The utility model supplies water by adopting outside water pump, entered by water inlet, drill bit delivery port is delivered to through hollow water channel, unit head rotarily drives the rotation of drilling rod and drill bit, make drill bit pressurization dive, the earth in post holes is subject to the pressure of water pump water feeding and washing and drill bit dive generation, oppositely flows out by post holes, form antisubmarine circulation to bore, efficiency improves greatly.
The utility model by mountable drilling rod, when drilling rod bores the stroke degree of depth having expired drilling rod from top to down, can increase by one or more at drilling rod with the junction of drill bit and be flexibly connected drilling rod, and can carry out darker post holes downwards and revolve and dig, drilling depth improves greatly.
The utility model preferred version is by using winch pressure structure, can by pulley or duplicate sprocket as balance pivot, can the weight of car load be added on drilling rod, obtain more than the larger pressure of hydraulic press pressurization, effectively can promote and revolve the speed of digging, especially the slow-footed defect of current water drill hole of drilling machine is improved, the water drilling speed that can be enhanced about more than once.This structure compared to prior art by hydraulic equipment to the structure of drilling rod and borehole pressurisation, structure is simplified a lot, and avoids the hydraulic equipment using high cost, greatly reduces equipment cost, has outstanding substantive distinguishing features and significant progressive.
The combination drive mechanism of the preferred chain of the utility model and duplicate sprocket, can also avoid drilling machine drilling rod to reclaim the problem of wire rope easy loose or dislocation when lying low, and makes installation and recovery operation more efficiency, convenient.
Hydraulic power is divided in order to two-way by the double-stage hydraulic oil pump in the utility model, winch and unit head can be controlled respectively, namely elevating movement and the rotary motion of drilling rod and drill bit is controlled respectively, thus power has been carried out reasonable distribution, reduce complete machine power consumption, improve operating efficiency, and this hydraulic structure makes drive unit can use the power set of vehicle, do not need additionally to arrange vehicular propulsion, reduce further cost.
Mobile device in the utility model can be creeper truck or wheeled vehicle, according to landform and construction needs, can be applicable to different walking manners.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first scheme of the present utility model.
Fig. 2 is the working state schematic representation of the first scheme of the present utility model.
Fig. 3 is the schematic top plan view of water drilling Spiral digging machine of the present utility model.
Fig. 4 is the plan structure schematic diagram of gearbox of the present utility model.
Fig. 5 is the drill bit structure schematic diagram of water drilling Spiral digging machine of the present utility model.
Fig. 6 is the working state schematic representation of first scheme of the present utility model.
Accompanying drawing identifies:
1-workbench, 2-rotating disk, 3-driver's cabin, 4-column, 5-drilling rod, 6-unit head, 7-water drilling drill bit, 8-winch, 9-chain, 10-duplicate sprocket, 11-water inlet pipe, 12-drilling rod travelling carriage, 13-sleeve pipe, 14-motor, 15-gearbox, 16-double-stage hydraulic pump, 17-power takeoff, 18-workbench telescopic tube, 19-hydraulic motor, 20-shaft coupling, 21-line shaft, 22-pneumatic linear actuator, 23-shift, 24-declutch shift shaft, 25-shift fork, 26-gear teeth cover, 27-countershaft, 28-gear teeth wheels, 29-train of reduction gears, 30-reduction box input shaft, 31-jackshaft, 32-power head output shaft, 33-deceleration box, 90-wire rope, 91-pulley.
Detailed description of the invention
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 water drilling Spiral digging machine comprises the drive unit be made up of motor 14, gearbox 15, double-stage hydraulic oil pump 16 and power takeoff 17, the water booster system be made up of winch 8, chain 9, duplicate sprocket 10 and drilling rod travelling carriage 12, this water drilling Spiral digging machine also comprises workbench 1, column 4, drilling rod 5, rotary power head 6, water drilling drill bit 7, column 4, winch 8 and duplicate sprocket 10 are arranged on workbench 1 or column 4, and workbench 1 is arranged on creeper truck by rotating disk 2; Winch 8 is wound with chain 9, column 4 is provided with drilling rod travelling carriage 12; Chain 9 is provided with two groups, one group of gear of one group of chain 9 solderless wrapped connection winch 8 and duplicate sprocket 10, and another group is fixedly connected with the two ends of drilling rod travelling carriage 12 after walking around another group gear of duplicate sprocket 10 respectively; Drilling rod travelling carriage 12 moves up and down along travelling carriage track 11 under the driving of winch 8; Drilling rod 5 is fixedly installed on drilling rod travelling carriage 12; In the lower end of column 4, rotary power head 6 is installed; Drilling rod 5 is prismatic, and be fixedly installed on drilling rod travelling carriage 12, lower end is provided with water drilling drill bit 7; Being provided with to the cross section of drilling rod 5 in the middle of rotary power head 6 is the corresponding drilling rod hole of prismatic, and drilling rod 5 penetrates in drilling rod hole; Winch 8 is hydraulic wireline winch; Rotary power head 6 is hydraulic-driven; Double-stage hydraulic oil pump 16 is divided into two-way, and a 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, shaft coupling 20, line shaft 21, pneumatic linear actuator 22, shift 23, declutch shift shaft 24, shift fork 25, gear teeth cover 26, countershaft 27, gear teeth wheels 28, train of reduction gears 29, reduction box input shaft 30, jackshaft 31, power head output shaft 32, deceleration box 33; Gear teeth cover 26 is arranged on line shaft 21, and line shaft 21 is connected by shaft coupling 20 with the projecting shaft of hydraulic motor 19; Shift 23 one end is connected with the extension bar of pneumatic linear actuator 22, and the other end is connected with shift fork 25; Shift fork 25 is arranged on declutch shift shaft 24, can move up and down along declutch shift shaft 24; The other end and the gear teeth of shift fork 25 are overlapped 26 and are connected; Gear teeth cover 26 engages with the gear teeth wheels 28 on countershaft 27; Countershaft 27 one end is fixed on the bearing of gearbox inwall, and the other end stretches out outside reduction box and is connected with reduction box input shaft 30; Reduction box input shaft 30, jackshaft 31 and power head output shaft 32 are installed on deceleration box 33; Power head output shaft 32 is provided with the drilling rod hole of fixing drilling rod 5; Pneumatic linear actuator 22 and gear teeth cover 26 are respectively equipped with two groups, pneumatic linear actuator 22 is connected to gear teeth by shift 23 and shift fork 25 and overlaps on 26, a pneumatic linear actuator 22 controls one group of gear teeth cover 26 and is engaged on the gear teeth wheels 28 of different speed change level, for more precisely controlling the output speed of rotary power head 6 effortlessly.
During work, propped by the column 4 of hydraulic connecting rod by workbench 1, make it vertical with work plane.Oil circuit is divided into two by double-stage hydraulic oil pump 16, wherein an oil circuit can provide power to winch 8 by distributing valve, drilling rod travelling carriage 12 is pulled to move on travelling carriage track 11 by chain 9, thus driven the elevating movement of drilling rod 5 and water drilling drill bit 7, and while water drilling drill bit 7 kiss the earth, pressure is provided, by the leverage being node with duplicate sprocket 10, maximumly complete vehicle weight can be added on drilling rod 5 and water drilling drill bit 7; Another oil circuit provides power by distributing valve to rotary power head 6, and rotary power head 6 can control the rotation of water drilling drill bit 7, and can be regulated the revolving force of water drilling drill bit 7 by shift 23; Shift 23 controls the action of pneumatic linear actuator 22, the shift fork 25 promoted on declutch shift shaft 24 moves, and gear teeth cover 26 is enclosed within gear teeth wheels 28 by shift fork 25, and now power transmission is to reduction box, by the rotation of train of reduction gears 29, power head output shaft 32 drives drilling rod 5 to rotate; Overlap the change level amount of 26 according to the gear teeth wheels 28 arranged and gear teeth, can two to six grades of speed governing be carried out; When gear teeth cover 26 be enclosed within the low-speed gear on gear teeth wheels 28 time, water drilling drill bit 7 moment of torsion is maximum, revolve dig the strongest; When gear teeth cover 26 be enclosed within the high gear on gear teeth wheels 28 time, water drilling drill bit 7 moment of torsion is minimum, revolve dig fastest.
When carrying out brill stake operation, drilling rod 5 and water drilling drill bit 7 under the drive of drilling rod travelling carriage 12 to pressing down; Water drilling drill bit 7 rotates under unit head 6 acts on, ground is revolved and digs, outside water pump pressurization simultaneously passes into water by water pipe to water inlet 11, drill bit delivery port is delivered to through hollow water channel, earth in post holes is subject to the pressure of water pump water feeding and washing and water drilling drill bit 7 dive generation, oppositely flow out by post holes, form antisubmarine circulation and bore; When drilling rod 5 bores the stroke degree of depth having expired drilling rod 5 from top to down, also can increase by one or more at drilling rod 5 with the junction of water drilling drill bit 7 and be flexibly connected drilling rod, darker post holes can be carried out downwards and revolve and dig, greatly improve drilling depth.
Embodiment 2:
As shown in Figure 6, difference from Example 1 is: winch 8 and pulley 91 are arranged on workbench 1, and workbench 1 is arranged on creeper truck by rotating disk 2; The two ends of drilling rod travelling carriage 12 are fixedly connected with wire rope 90 respectively, and the wire rope 90 at two ends is respectively by connection winch 8 after pulley 91 break-in of column 4 lower end; Drilling rod travelling carriage 12 moves up and down along travelling carriage track 11 under the driving of winch 8, reduces the requirement of the power stage to drive unit, reduces energy consumption and cost.
Operating principle is identical with embodiment 1.

Claims (10)

1. a water drilling Spiral digging machine, comprise drive unit and water booster system, workbench (1), column (4), drilling rod (5), rotary power head (6), water drilling drill bit (7), described column (4) is arranged on workbench (1), it is characterized in that: drilling rod (5) installed by described column (4), described drilling rod (5) upper end is connected with water booster system, under water booster system effect, obtain downward pressure; Water drilling drill bit (7) is installed in described drilling rod (5) lower end, and drilling rod (5) is provided with water inlet (11), and be provided with the water channel of hollow in drilling rod (5) and water drilling drill bit (7), water drilling drill bit (7) is provided with delivery port; Described drilling rod (5) is also connected with rotary power head (6), can rotate under rotary power head (6) effect.
2. water drilling Spiral digging machine as claimed in claim 1, is characterized in that: described water booster system power resources are hydraulic press or Voltage force machine.
3. water drilling Spiral digging machine as claimed in claim 1, is characterized in that: described drilling rod (5) is being disconnected formula bar, sliceable many flexible connection drilling rods, increases the stroke degree of depth of drilling rod (5).
4. water drilling Spiral digging machine as claimed in claim 1, is characterized in that: described water booster system is winch pressure structure, comprises winch (8), chain (9), duplicate sprocket (10) and drilling rod travelling carriage (12);
Described drilling rod travelling carriage (12) by track installation on column (4); Described winch (8) and duplicate sprocket (10) are arranged on workbench (1) or column (4); Described chain (9) is provided with two groups, one group of gear of one group of chain (9) solderless wrapped connection winch (8) and duplicate sprocket (10); Another group is fixedly connected with the two ends of drilling rod travelling carriage (12) after walking around another group gear of duplicate sprocket (10) respectively; Drilling rod travelling carriage (12) moves up and down along track under the driving of winch (8); Drilling rod (5) is fixedly installed on drilling rod travelling carriage (12).
5. water drilling Spiral digging machine as claimed in claim 1, is characterized in that: described water booster system is winch pressure structure, comprises winch (8), wire rope (90), pulley (91) and drilling rod travelling carriage (12);
Described drilling rod travelling carriage (12) by track installation on column (4); Described winch (8) is arranged on workbench (1); The two ends of described drilling rod travelling carriage (12) are fixedly connected with wire rope (90) respectively, the wire rope (90) at two ends, respectively by connection winch (8) after pulley (91) break-in of column (4) lower end, moves up and down along track under the driving of winch (8); Drilling rod (5) is fixedly installed on drilling rod travelling carriage (12).
6. the water drilling Spiral digging machine as described in claim 4 or 5, is characterized in that: described winch (8) is hydraulic wireline winch or electric winch, and described rotary power head (6) is hydraulic-driven or electric drive.
7. water drilling Spiral digging machine as claimed in claim 6, it is characterized in that: when winch (8) and rotary power head (6) are for hydraulic-driven, described drive unit comprises motor (14), gearbox (15), double-stage hydraulic oil pump (16) and power takeoff (17), described double-stage hydraulic oil pump (16) is divided into two-way, one tunnel provides power to hydraulic wireline winch, and another road provides power to rotary power head (6).
8. water drilling Spiral digging machine as claimed in claim 1, is characterized in that: described drilling rod (5) is prismatic or square-column-shaped; Described column (4) is provided with rotary power head (6), and be provided with drilling rod hole corresponding with drilling rod (5) shape of cross section in the middle of rotary power head (6), drilling rod (5) penetrates in drilling rod hole.
9. water drilling Spiral digging machine as claimed in claim 1, is characterized in that: described rotary power head (6) comprises hydraulic motor (19), shaft coupling (20), line shaft (21), pneumatic linear actuator (22), shift (23), declutch shift shaft (24), shift fork (25), gear teeth cover (26), countershaft (27), gear teeth wheels (28), train of reduction gears (29), reduction box input shaft (30), jackshaft (31), power head output shaft (32), deceleration box (33); Described gear teeth cover (26) is arranged on line shaft (21), and line shaft (21) is connected by shaft coupling (20) with the projecting shaft of hydraulic motor (19); Described shift (23) one end is connected with the extension bar of pneumatic linear actuator (22), and the other end is connected with shift fork (25), and shift fork (25) is arranged on declutch shift shaft (24), can move up and down along declutch shift shaft (24); The other end of described shift fork (25) is connected with gear teeth cover (26); Described gear teeth cover (26) engages with the gear teeth wheels (28) on countershaft (27); Described countershaft (27) one end is fixed on the bearing of gearbox inwall, and the other end stretches out outside reduction box and is connected with reduction box input shaft (30); Described reduction box input shaft (30), jackshaft (31) and power head output shaft (32) are installed on deceleration box (33); Reduction box input shaft (30) is provided with the one-level driving wheel of train of reduction gears (29), jackshaft (31) is provided with one-level driven pulley and the secondary driving wheel of train of reduction gears (29), power head output shaft (32) is provided with the secondary driven pulley of train of reduction gears (29); Described power head output shaft (32) is provided with the drilling rod hole of fixing drilling rod (5).
10. water drilling Spiral digging machine as claimed in claim 9, it is characterized in that: described pneumatic linear actuator (22) and gear teeth cover (26) are respectively equipped with two groups, pneumatic linear actuator (22) is connected on gear teeth cover (26) by shift (23) and shift fork (25), a pneumatic linear actuator (22) controls one group of gear teeth cover (26) and is engaged on the gear teeth wheels (28) of different speed change level, for more precisely controlling the output speed of rotary power head (6) effortlessly.
CN201520017787.2U 2015-01-12 2015-01-12 A kind of water drilling Spiral digging machine Expired - Fee Related CN204646086U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520017787.2U CN204646086U (en) 2015-01-12 2015-01-12 A kind of water drilling Spiral digging machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104653100A (en) * 2015-01-12 2015-05-27 覃炳德 Hydraulic rotary drilling machine
CN107476760A (en) * 2017-08-07 2017-12-15 开封市农村公路管理处 A kind of drilling car for being used to handle Free water in pavement structure
CN109538117A (en) * 2017-03-02 2019-03-29 合肥智慧龙图腾知识产权股份有限公司 A kind of construction of hydro project drilling machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104653100A (en) * 2015-01-12 2015-05-27 覃炳德 Hydraulic rotary drilling machine
CN109538117A (en) * 2017-03-02 2019-03-29 合肥智慧龙图腾知识产权股份有限公司 A kind of construction of hydro project drilling machine
CN107476760A (en) * 2017-08-07 2017-12-15 开封市农村公路管理处 A kind of drilling car for being used to handle Free water in pavement structure
CN107476760B (en) * 2017-08-07 2019-03-22 开封市农村公路管理处 It is a kind of for handling the drilling vehicle of Free water in pavement structure

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150916

Termination date: 20160112