CN105625940B - Drilling piling all-in-one machine - Google Patents
Drilling piling all-in-one machine Download PDFInfo
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- CN105625940B CN105625940B CN201510169470.5A CN201510169470A CN105625940B CN 105625940 B CN105625940 B CN 105625940B CN 201510169470 A CN201510169470 A CN 201510169470A CN 105625940 B CN105625940 B CN 105625940B
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Abstract
Drilling piling all-in-one machine disclosed by the invention, including driver's cabin, body bearing system, dynamical system, hydraulic control system, equipment support system, hole-drilling system and pile driving system, the dynamical system includes diesel engine, clutch, air compressor machine, the diesel engine is connect by gear assembly with the clutch, the clutch is connect by transmission belt with the air compressor machine, the equipment support system includes gantry support, upper connection frame, lower connection frame, the hole-drilling system includes hydraulic motor, gearbox, drilling pipe, coring bit and pincers drill, the pile driving system includes quartering hammer, chrome plated bar, guardrail bar.Drilling provided by the invention is driven piles all-in-one machine, and diesel engine connect with air compressor machine using automobile clutch principle, it is ensured that drill the reliable separation of all-in-one machine power and air compressor machine in the process of moving of driving piles, and improves the air compressor machine service life；Coring bit and pincers drill cooperation are uses for the first time at home, and drilling quality is high, speed is fast.
Description
Technical field
The present invention relates to a kind of drilling pile driving equipments, and in particular, the present invention relates to be applied to highway security apparatus field
Drilling piling all-in-one machine.
Background technique
With the progress in epoch and the growth of population, either residential building or office building, the quality of construction is wanted
It asks and increasingly increases, the galleryful of building is also more and more at the same time, is embodied in occupied by the ground of building
Area is increasing, longitudinal height is increasing, thus the requirement for construction is also just higher and higher.Highway is applied
For work, the installment work of security facilities how is carried out, is to guarantee highway traffic safety, reduce an important factor for causality loss.
Thus, various large automatic equipment are introduced in engineering construction field, are largely used.Large size, concentration
The high construction equipment of change degree is that construction brings many conveniences, but there is also various problems.
By taking the drilling of construction field as an example, so-called drilling refers to the operation processed and portalled on solid material with drill bit, point
Are as follows: engineering foundation construction drill, the drilling that the foundation pile or tubular pole applied by consolidation process architectural engineering basis are constructed；Work
Journey geotechnical boring is reconnoitred or verifies engineering foundation situation for building factory's base, dam site, reservoir, bridge and road etc.；Exploitation drilling,
Recovery of subterranean brine, dissolution rock salt, sulphur, combustion gasification underground coal etc.；The auxiliary bore hole of the engineerings such as mining or tunnel, mining
Or when constructing tunnel for ventilation and drainage, visit water, visit gas, freeze, transport and build and communicate install pipeline, explosion, sampling,
The drilling that grouting etc. is constructed.Different from the drilling in machining, the environment that the drilling in engineering construction is faced is complicated more
Become, the requirement to drilling device is also not only what a simple drilling machine can satisfy.
So-called piling, refers to and stake is thrown into ground, keeps building basis more firm.Because if above ground structure will be built
On the ground, ground will bear very big pressure, it is necessary that there is enough renitency intensity on ground, this is often difficult
Accomplish, so must just the ground for bearing building be reinforced or be improved the receiving mode on ground, so just expecting
It drives piles on ground, most of weight of building is allowed to pass to the very deep position of below ground by stake, because of the ground of this position
Base is more much bigger than ground ability to bear.
On construction of the highway building site, all there is easy drilling device and pile driving equipment under the conditions of the prior art, but do not have
Have and be organically combined together the two, working efficiency is low, and the quality for the piling that drills is not also high, does not adapt to modern society to public affairs
The requirement of the high efficiency, high quality of road construction.
Utility model content
It is an advantage of the invention to provide a kind of drilling piling all-in-one machines, solve the impact of drill bit in the prior art
The not strong problem of power.
Above-mentioned purpose and other purposes of the invention solves by the following technical programs:
It drives piles all-in-one machine the present invention provides a kind of drilling, including driver's cabin, body bearing system, dynamical system, hydraulic
Control system, the body bearing system include bicycle frame device, preceding bridge, rear axle, and the bicycle frame device includes front frame, rear car
Frame, the front frame, Rear frame by articulated mounting be connected, the preceding bridge, rear axle both ends be connected respectively with two wheels, institute
Stating dynamical system includes diesel engine, clutch, air compressor machine, and the diesel engine is connected by gear assembly and the clutch
It connects, the clutch is connect by transmission belt with the air compressor machine, and the hydraulic control system includes the first multi-way valve, more than second
Road valve, first multi-way valve and the second multi-way valve are separately positioned on the interior of the driver's cabin, which is characterized in that further include equipment
Support system hole-drilling system and pile driving system, in which:
The equipment support system includes gantry support, upper connection frame, lower connection frame, is respectively set on the gantry support
Cross slide way and longitudinal rail, traversing oil cylinder is provided on the upper connection frame, and the dragon is stretched out in one end of the lower connection frame
Door bracket, the hole-drilling system are arranged in the extension end of the lower connection frame, and the right end of the upper connection frame and gantry support is vertical
Column passes through a slanting bracket connection；
The diesel engine pumps connection the first multi-way valve control by the first gear and is capable of the traversing of left and right transverse movement
Oil cylinder；
The hole-drilling system and pile driving system are separately positioned on the column of the left and right ends of the gantry support；
The hole-drilling system includes hydraulic motor, gearbox, drilling pipe, drill bit device, the hydraulic motor, gearbox, brill
Cylinder is sequentially connected with drill bit device, and the drill bit device includes coring bit and pincers drill, and the coring bit and drilling pipe connect
It connects, the pincers drill is connect by the hollow portion that drilling rod protrudes into the coring bit with the drilling pipe；
The diesel engine pumps the second multi-way valve of connection by the second gear and controls hydraulic motor；
The pile driving system includes quartering hammer, chrome plated bar, guardrail bar, and the gantry support is arranged in the pile driving system
On right end column, the chrome plated bar and the longitudinal rail are slidably connected, and the quartering hammer is indulged by chrome plated bar with described
Direction guiding rail is slidably connected.
Drilling piling all-in-one machine provided by the invention, it is preferable that the coring bit includes the cylinder of inner hollow, described
The bottom of cylinder is provided with the interior toothholder and outer toothholder being alternately arranged, and the interior toothholder and outer toothholder respectively include increment towards cylinder
Internal inclined internal tooth and increment face out inclined external tooth.
Drilling piling all-in-one machine provided by the invention, it is preferable that stretching for the lower connection frame is arranged in the hydraulic motor
The bottom of the hydraulic motor is arranged in outlet, the gearbox, and the bottom of the gearbox is connect with the drilling pipe.
Drilling provided by the invention is driven piles all-in-one machine, it is preferable that the hollow of the drilling pipe is internally provided with impactor, described
Impactor is connect by the gearbox with the hydraulic motor.
Drilling piling all-in-one machine provided by the invention, it is preferable that inclining for two groups of positional symmetries is provided in the front frame
Oblique oil cylinder, the dump ram are connect with the gantry support, and the dump ram moved forward and backward is for adjusting described gantry
The angle of bracket and ground.
Drilling piling all-in-one machine provided by the invention, it is preferable that the bottom of the two root posts of the gantry support is set respectively
It is equipped with supporting leg, the diesel engine pumps the up and down motion of connection the first multi-way valve connection control supporting leg by the first gear.
Drilling piling all-in-one machine provided by the invention, it is preferable that distinguish the side of the two root posts of the gantry support
It is provided with lift cylinder, the diesel engine pumps connection the first multi-way valve connection control lift cylinder by the first gear.
Drilling piling all-in-one machine provided by the invention, it is preferable that Working rack, activity branch are provided at the top of the Rear frame
Frame, the Working rack are fixedly connected with the Rear frame, and the movable support is fixedly connected with the rear axle.
Drilling piling all-in-one machine provided by the invention, it is preferable that the air compressor machine has two groups, is symmetricly set on the work
On bracket, the diesel engine, clutch are arranged on the Working rack, and the clutch is arranged between two groups of air compressor machines.
Drilling piling all-in-one machine provided by the invention, it is preferable that near the articulated mounting between the front frame, Rear frame
It is provided with the steering cylinder to swing for controlling the hinged hinged place of the front frame.
The advantages and beneficial effects of the present invention are:
The all-in-one machine 1. drilling disclosed by the invention is driven piles, replaces with small capacity double air compressor machine for traditional screw air compressor, subtracts
Few cost input, reduces the weight bearing of whole equipment, extends continuous working period.
The all-in-one machine 2. drilling disclosed by the invention is driven piles, diesel engine are connect with air compressor machine using automobile clutch principle, really
The reliable separation for protecting drilling piling all-in-one machine power and air compressor machine in the process of moving, substantially increases the air compressor machine service life.
The all-in-one machine 3. drilling disclosed by the invention is driven piles, pile driving system are integrated setting, process replacement with hole-drilling system
When no replacement is required component, to greatly improve working efficiency.
The all-in-one machine 4. drilling disclosed by the invention is driven piles, coring bit are to use for the first time at home with pincers drill, clamp hole
The impact force of drill bit is strong, and drilling speed degree is fast, but punching is non-round, and the quality to drill after housing coring bit greatly improves, and the speed that drills
Degree is faster.
The all-in-one machine 5. drilling disclosed by the invention is driven piles, the setting of equipment support system make the energy of the resistance to deformation of whole equipment
Power greatly improves, and the articulated mounting of body bearing system keeps the bearing capacity of whole equipment stronger.
Detailed description of the invention
With reference to the accompanying drawing the preferred embodiment of the present invention describe in detail or preferably, wherein
Fig. 1 is schematic perspective view 1 of the invention；
Fig. 2 is schematic perspective view 2 of the invention；
Fig. 3 is side view of the invention；
Fig. 4 is top view of the invention；
Fig. 5 is the top view of body bearing system；
Fig. 6 is the schematic perspective view of body bearing system；
Fig. 7 is the schematic perspective view of equipment support system；
Fig. 8 is the schematic perspective view of coring bit；
Driver's cabin -1, preceding bridge -2, rear axle -3, front frame -4, Rear frame -5, articulated mounting -6, diesel engine -7, clutch -
8, air compressor machine -9, gear assembly -10, the first multi-way valve -11, the second multi-way valve -12, gantry support -13, upper connection frame -
14, lower connection frame -15, cross slide way -16, longitudinal rail -17, traversing oil cylinder -18, bracket -19, first gear pump -20, it is hydraulic
Motor -21, drilling pipe -23, coring bit -24, pincers drill -25, drilling rod -26, second gear pump -27, is crushed gearbox -22
Hammer -28, chrome plated bar -29, guardrail bar -30, cylinder -31, interior toothholder -32, outer toothholder -33, internal tooth -34, external tooth -35, impactor-into shape
36, dump ram -37, supporting leg -38, lift cylinder -39, Working rack -40, movable support -41, rotational fuel tank -42.
Specific embodiment
With reference to attached drawing, drilling piling all-in-one machine provided by the invention, including driver's cabin 1, body bearing system, dynamical system
System, hydraulic control system, body bearing system includes bicycle frame device, preceding bridge 2, rear axle 3, and bicycle frame device includes front frame 4, rear car
Frame 5, front frame 4, Rear frame 5 are connected by articulated mounting 6, guarantee that the front and back end of drilling piling all-in-one machine is neatly connected to one
It rises, the articulated mounting 6 between front frame 4, Rear frame 5 is nearby provided with and swings for controlling 4 hinged place of front frame
Steering cylinder 42, rotational fuel tank 42 makes drilling piling all-in-one machine may be implemented the travelings of different directions, the two of preceding bridge 2, rear axle 3
End is connected with two wheels respectively, and Working rack 40, movable support 41, Working rack 40 and rear car are provided at the top of Rear frame 5
Frame 5 is fixedly connected, and movable support 41 is fixedly connected with rear axle 3, and air compressor machine 9 has two groups, is symmetricly set on Working rack 40, bavin
Oil machine 7, clutch 8 are arranged on Working rack 40, and clutch 8 is arranged between two groups of air compressor machines 9, movable support 41 and drilling
All-in-one machine handover of driving piles links, and reduces and rubs between the equipment of loading and body bearing system, extends drilling piling one
The service life of body machine.
Dynamical system includes diesel engine 7, clutch 8, air compressor machine 9, and diesel engine 7 provides equipment as power and passed by gear
Dynamic device 10 is connect with clutch 8, and clutch 8 is connect by transmission belt with air compressor machine 9, it can be ensured that drilling piling all-in-one machine exists
The reliable separation of power and air compressor machine 9 in the course of work, improves the service life of air compressor machine 9 Yu diesel engine 7.Hydraulic control system
System includes the first multi-way valve 11, the second multi-way valve 12 being arranged in inside driver's cabin 1, and the first multi-way valve 11 controls multiple groups movement,
Moving left and right including traversing oil cylinder 18, the moving up and down of supporting leg 38, lift cylinder 39 move up and down, specific manifestation are as follows:
Diesel engine 7 controls moving left and right for traversing oil cylinder 18 by 20 the first multi-way valve 11 of connection of first gear pump；Gantry support 13
The bottom of two root posts is respectively arranged with supporting leg 38, and diesel engine 7 passes through 20 connection the first multi-way valve 11 connection control of first gear pump
The up and down motion of supporting leg 38 processed, the side of the two root posts of gantry support 13 are respectively arranged with lift cylinder 39, and diesel engine 7 is logical
Cross 20 connection the first multi-way valve 11 connection control lift cylinder 39 of first gear pump.Second multi-way valve 12 controls following movement, i.e.,
Drilling, specific manifestation are as follows: diesel engine 7 controls hydraulic motor 21 by 27 the second multi-way valve 12 of connection of second gear pump.
Equipment support system includes gantry support 13, upper connection frame 14, lower connection frame 15, is respectively set on gantry support 13
Cross slide way 16 and longitudinal rail 17, traversing oil cylinder 18 is provided on upper connection frame 14, and traversing oil cylinder 18 passes through cross slide way 16
Move left and right the device to hole for realizing hole-drilling system, gantry support 13 is stretched out in one end of lower connection frame 15, and hole-drilling system is arranged under
The extension end of connection frame 15, upper connection frame 14 are connect by a slanting bracket 19 with the right end column of gantry support 13, are propped up
The setting of frame 19 makes it form the support construction of triangle between the column of gantry support 13, guarantees that pile driving system is steadily set
It sets on the column of 13 right end of gantry support.
Hole-drilling system includes hydraulic motor 21, gearbox 22, drilling pipe 23, drill bit device, hydraulic motor 21, gearbox 22,
Drilling pipe 23 is sequentially connected with drill bit device, and drill bit device includes coring bit 24 and pincers drill 25, coring bit 24 and drilling pipe
23 connections, pincers drill 25 are connect by the hollow portion that drilling rod 26 protrudes into coring bit 24 with drilling pipe 23, coring bit 24 and pincers
Drill 25 is to use for the first time at home, and the impact force for clamping drill 25 is strong, and drilling speed degree is fast, but punches non-round, housing core drill
The quality to drill after first 24 greatly improves, and penetration rate is faster.
Pile driving system includes quartering hammer 28, chrome plated bar 29, guardrail bar 30, and the right end of gantry support 13 is arranged in pile driving system
On column, chrome plated bar 29 and longitudinal rail 17 are slidably connected, and quartering hammer 28 is slided by chrome plated bar 29 and longitudinal rail 17
Connection is realized and is moved up and down.
Further technical solution, coring bit 24 include the cylinder 31 of inner hollow, and the bottom of cylinder 31 is provided with friendship
For the interior toothholder 32 and outer toothholder 33 of arrangement, interior toothholder 32 and outer toothholder 33 respectively include increment towards cylinder 31 it is tilted in
Tooth 34 and increment face out inclined external tooth 35, and internal tooth 34 and external tooth 35 are alternating oblique weld in interior toothholder 32 and outer toothholder 33
Diamond compact, the alternating of internal tooth 34 and external tooth 35 is obliquely installed power when making bit operation while with both direction,
The area of cut is larger, and faster, and internal tooth 34 and external tooth 35 are hardly damaged the speed of drilling, and the service life is longer.
The extension end of lower connection frame 15 is arranged in further technical solution, hydraulic motor 21, and gearbox 22 is arranged in liquid
The bottom of the bottom of pressure motor 21, gearbox 22 is connect with drilling pipe 23, and the hollow of drilling pipe 23 is internally provided with impactor 36, impact
Device 36 is connect by gearbox 22 with hydraulic motor 21.
Further technical solution is provided with two groups of positional symmetry dump rams 37, dump ram 37 and dragon in front frame 4
Door bracket 13 connects, the angle of dump ram 37 moved forward and backward for adjusting gantry support 13 Yu ground, guarantees different landforms
Different drilling demand under situation.
Drilling piling all-in-one machine provided by the invention, specific work steps are as follows:
1. drilling piling all-in-one machine provides power without group speed changing diesel machine 13 by 4108 types；
2. drill, diesel engine 7 provides power, is closed clutch 8, and air compressor machine 9 is made to generate large wind, will be in work
Dust blowout in drilling pipe 23.Drilling pipe 23 controls first gear pump 20 by the first multi-way valve 11 to control supporting leg 38 and traversing oil
Cylinder 18 is to realize the device to hole of drilling pipe 23.12 valve of the second multichannel control second gear pump, 27 band hydrodynamic inside driver's cabin 1 is set
Pressure motor 21 drills, and the first multi-way valve 11 controls the up and down motion that lift cylinder 39 realizes drilling pipe 23.
3. drive piles, the oil circuit for leading to hydraulic motor 21 is closed, the oil circuit for leading to quartering hammer 28 is opened, is mentioned by diesel engine 7
First gear pump 20 is passed to for power, then passes to the first multi-way valve 11, the first multi-way valve 11 controls following movement: traversing oil
The side-to-side movement of cylinder 18, the up and down motion of lift cylinder 39, the up and down motion of supporting leg 38, swinging for dump ram 37 make to set
Gantry support 13 in standby bearing system is vertical with ground holding, and the chrome plated bar 29 on gantry support 13 guides quartering hammer 28 by upper
It moves down, stake is driven underground to obtain the stake of desired size, if piling is not just, the first multi-way valve 11 can be operated pushes and promoted
Oil cylinder 39 works, and mentions the stake for requiring height to lay predetermined size again.
According to the technique and scheme of the present invention, in the case where not changing connotation of the invention, the common skill of this field
Art personnel can propose multiple frame modes of the invention.Therefore following specific embodiments and attached drawing are only to of the invention
Technical solution illustrates, and is not to be construed as whole of the invention or is considered as the restriction or limit to technical solution of the present invention
System.
Claims (7)
1. drilling piling all-in-one machine, including driver's cabin (1), body bearing system, dynamical system, hydraulic control system, the machine
Body bearing system includes bicycle frame device, preceding bridge (2), rear axle (3), and the bicycle frame device includes front frame (4), Rear frame (5), institute
State front frame (4), Rear frame (5) by articulated mounting (6) be connected, the preceding bridge (2), rear axle (3) both ends respectively with two
Wheel is connected, and the dynamical system includes diesel engine (7), clutch (8), air compressor machine (9), and the diesel engine (7) passes through gear
Transmission device (10) is connect with the clutch (8), and the clutch (8) is connect by transmission belt with the air compressor machine (9), institute
It states hydraulic control system and includes the first multi-way valve (11), the second multi-way valve (12), first multi-way valve (11) and the second multichannel
Valve (12) is separately positioned on the interior of the driver's cabin (1), which is characterized in that further include equipment support system, hole-drilling system and
Pile driving system, in which:
The equipment support system includes gantry support (13), upper connection frame (14), lower connection frame (15), the gantry support
(13) cross slide way (16) and longitudinal rail (17) are respectively set on, is provided with traversing oil cylinder on the upper connection frame (14)
(18), the gantry support (13) is stretched out in one end of the lower connection frame (15), and the hole-drilling system is arranged in the lower connection
The extension end of frame (15), the upper connection frame (14) and the right end column of gantry support (13) pass through a slanting bracket (19)
Connection；
The diesel engine (7) is capable of the cross of left and right transverse movement by first gear pump (20) connection the first multi-way valve (11) control
It moves oil cylinder (18)；
The hole-drilling system and pile driving system are separately positioned on the column of the left and right ends of the gantry support (13)；
The hole-drilling system includes hydraulic motor (21), gearbox (22), drilling pipe (23), drill bit device, the hydraulic motor
(21), gearbox (22), drilling pipe (23) are sequentially connected with drill bit device, and the drill bit device includes coring bit (24) and pincers
Drill (25), the coring bit (24) connect with drilling pipe (23), and the pincers drill (25) is stretched by drilling rod (26)
Enter
The hollow portion of the coring bit (24) is connect with the drilling pipe (23)；
The diesel engine (7) passes through second gear pump (27) connection the second multi-way valve (12) control hydraulic motor (21)；
The pile driving system includes quartering hammer (28), chrome plated bar (29), guardrail bar (30), and the pile driving system is arranged in the dragon
On the right end column of door bracket (13), the chrome plated bar (29) and the longitudinal rail (17) are slidably connected, described broken
Hammer (28) is slidably connected by chrome plated bar (29) with the longitudinal rail (17)；
The coring bit (24) includes the cylinder (31) of inner hollow, and the bottom of the cylinder (31), which is provided with, to be alternately arranged
It is tilted towards cylinder that interior toothholder (32) and outer toothholder (33), the interior toothholder (32) and outer toothholder (33) respectively include increment
Internal tooth (34) and increment face out inclined external tooth (35)；The hollow of the drilling pipe (23) is internally provided with impactor (36), institute
Impactor (36) are stated to connect by the gearbox (22) with the hydraulic motor (21).
The all-in-one machine 2. drilling according to claim 1 is driven piles, which is characterized in that be provided with two groups on the front frame (4)
The dump ram (37) of positional symmetry, the dump ram (37) connect with the gantry support (13), the inclination moved forward and backward
Oil cylinder (37) is used to adjust the angle of the gantry support (13) and ground.
The all-in-one machine 3. drilling according to claim 2 is driven piles, which is characterized in that the two root posts of the gantry support (13)
Bottom be respectively arranged with supporting leg (38), the diesel engine (7) pass through the first gear pump (20) connect the first multi-way valve
(11) up and down motion of connection control supporting leg (38).
The all-in-one machine 4. drilling according to claim 3 is driven piles, which is characterized in that gantry support (13) left and right ends
The side of column is respectively arranged with lift cylinder (39), and the diesel engine (7) passes through first gear pump (20) connection first
Multi-way valve (11) connection control lift cylinder (39).
The all-in-one machine 5. drilling according to claim 1 is driven piles, which is characterized in that be provided with work at the top of the Rear frame (5)
Make bracket (40), movable support (41), the Working rack (40) is fixedly connected with the Rear frame (5), the movable support
(41) it is fixedly connected with the rear axle (3).
The all-in-one machine 6. drilling according to claim 5 is driven piles, which is characterized in that the air compressor machine (9) has two groups, symmetrically sets
Set on the Working rack (40), the diesel engine (7), clutch (8) be arranged on the Working rack (40), it is described from
Clutch (8) is arranged between two groups of air compressor machines (9).
The all-in-one machine 7. drilling according to claim 1 is driven piles, which is characterized in that the front frame (4), Rear frame (5) it
Between articulated mounting (6) be nearby provided with the steering cylinder (42) to swing for controlling the front frame (4) hinged place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510169470.5A CN105625940B (en) | 2015-04-10 | 2015-04-10 | Drilling piling all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510169470.5A CN105625940B (en) | 2015-04-10 | 2015-04-10 | Drilling piling all-in-one machine |
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| Publication Number | Publication Date |
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| CN105625940A CN105625940A (en) | 2016-06-01 |
| CN105625940B true CN105625940B (en) | 2018-12-25 |
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| CN201510169470.5A Active CN105625940B (en) | 2015-04-10 | 2015-04-10 | Drilling piling all-in-one machine |
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| CN107762406B (en) * | 2016-08-22 | 2019-10-25 | 洛阳武轩重工机械有限公司 | Underground engineering hole pile driving construction swing offset formula low clearance drilling machine |
| CN107762400B (en) * | 2016-08-22 | 2019-10-25 | 洛阳武轩重工机械有限公司 | Underground engineering hole pile driving construction is with moving forward and backward formula low clearance drilling machine |
| CN107762405B (en) * | 2016-08-22 | 2019-10-25 | 洛阳武轩重工机械有限公司 | Underground engineering hole pile driving construction is with moving forward and backward formula low clearance drilling machine |
| CN107762403B (en) * | 2016-08-22 | 2019-10-25 | 洛阳武轩重工机械有限公司 | Underground engineering hole pile driving construction left and right displacement formula low clearance drilling machine |
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| CN203625905U (en) * | 2013-12-20 | 2014-06-04 | 重庆宏工工程机械有限责任公司 | Small pile driver |
| CN204200090U (en) * | 2014-11-12 | 2015-03-11 | 重庆宏工工程机械有限责任公司 | Highway drill bit of drilling machine |
| CN204552609U (en) * | 2015-04-10 | 2015-08-12 | 重庆宏工工程机械有限责任公司 | Boring piling all-in-one |
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2015
- 2015-04-10 CN CN201510169470.5A patent/CN105625940B/en active Active
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| CN105625940A (en) | 2016-06-01 |
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