CN102913130A - Full-hydraulic rock-drilling excavator using hydraulic excavator for production - Google Patents
Full-hydraulic rock-drilling excavator using hydraulic excavator for production Download PDFInfo
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- CN102913130A CN102913130A CN201210474500XA CN201210474500A CN102913130A CN 102913130 A CN102913130 A CN 102913130A CN 201210474500X A CN201210474500X A CN 201210474500XA CN 201210474500 A CN201210474500 A CN 201210474500A CN 102913130 A CN102913130 A CN 102913130A
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Abstract
The invention discloses a full-hydraulic rock-drilling excavator using a hydraulic excavator for production. The full-hydraulic rock-drilling excavator is an engineering machine which combines functions of a full-hydraulic rock-drilling drilling machine and a conventional excavator and comprises a hydraulic excavator (A) and a full-hydraulic drilling machine (B), wherein a helical-lobe compressor (2) and a power regulation device (4) are arranged on a conventional hydraulic excavator top form the hydraulic excavator (A), confluence of two groups of high-pressure oil pumps of the hydraulic excavator, which are in parallel connection is achieved, output from stand-by valve sets is achieved, and the helical-lobe compressor (2) and the full-hydraulic drilling machine (B) are driven respectively through the power regulation device (4); the helical-lobe compressor (2) provides required compressed air for the full-hydraulic drilling machine (B); and the full-hydraulic drilling machine (B) is installed at a bucket position of the hydraulic excavator (A). The full-hydraulic rock-drilling excavator can maintain original functions of the hydraulic excavator and can be connected with other accessories which require hydraulic drive conveniently, functions of the full-hydraulic rock-drilling excavator can be replaced in a few minutes, and multiple purposes are achieved.
Description
Technical field
The present invention relates to a kind of engineering machinery, particularly a kind of all-hydraulic rock drilling excavator with hydraulic crawler excavator production of taking into account all-hydraulic rock drilling machine and traditional excavator function.
Background technology
China is the country on mountain more than, energy-intensive country especially, but the problem that the very large pneumatic rock drilling equipment of market owning amount ubiquity energy consumption is high, production efficiency is low.All-hydraulic rock drilling machine from external introduction more and more causes people's concern with its energy-efficient characteristics in recent years, but every three, 5,000,000 price and expensive maintenance cost allow numerous users hope and halt.
The inventor finds in practice, with market and technology all very ripe hydraulic crawler excavator to produce all-hydraulic rock drilling excavator be feasible in principle, and the all-hydraulic drill of relatively import more has good cross-country ability, strong operability, the characteristics that job area is large.Chinese patent application CN201010232995.6 discloses a kind of hydraulic rock drilling machine of excavator, but its hydraulic rock drilling machine just simply is connected with hydraulic crawler excavator, the excavator power source is not carried out any improvement; Its rig also must be equipped with supporting leg, and the pendulum angle of rig is adjusted by oscillating oil cylinder, thereby the rig pendulum angle is very limited, and the complete machine structure design is complicated.
Summary of the invention
Technical problem to be solved by this invention is, not enough for prior art, a kind of all-hydraulic rock drilling excavator of producing with hydraulic crawler excavator is provided, its system stability is reliable, and can improve the power output of excavator service valve group, make the flow of service valve group, pressure is adjustable.
Another technical problem to be solved by this invention is that frame strength, flexibility, the operability of all-hydraulic rock drilling machine are all adapted with hydraulic crawler excavator.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of all-hydraulic rock drilling excavator of producing with hydraulic crawler excavator, comprise hydraulic crawler excavator and all-hydraulic drill, this hydraulic crawler excavator is helical-lobe compressor and the PCU Power Conditioning Unit that installs additional on all functions basis that keeps the conventional hydraulic excavator by fluid motor-driven; And after making service valve group (or adding in addition converging valve) interflow of two groups of parallel high voltage oil pumps of hydraulic crawler excavator by hydraulic crawler excavator, be connected to the input of PCU Power Conditioning Unit, the first output oil pipe of PCU Power Conditioning Unit connects the hydraulic oil input of all-hydraulic drill, the hydraulic motor of the second output oil pipe connecting screw rod compressor; The oil return pipe of all-hydraulic drill and helical-lobe compressor no longer directly accesses the fuel tank of hydraulic crawler excavator by behind the PCU Power Conditioning Unit by the hydraulic crawler excavator distributing valve.The output of helical-lobe compressor is connected with the gas input of all-hydraulic drill, for all-hydraulic drill provides required compressed air; This all-hydraulic drill is installed in the position of bucket of hydraulic crawler excavator.
All-hydraulic drill is linked to each other with the position of bucket of hydraulic crawler excavator by adapter sleeve, and this adapter sleeve connects hydraulic permeability reversing gear, and the other end of hydraulic permeability reversing gear is connected with frame.The seamless steel pipe manufacturing of this frame, thereby double as simultaneously gasholder.Guide rail is housed on the frame, slidably propelling trolley is installed on the guide rail, the top of frame is equipped with the hydraulic drive motor, and the bottom is equipped with tension buffer device.The upper end of this propelling trolley connects chain drive-belt, the lower end connecting steel wire ropes, the drive of chain drive-belt pile warp hydraulic drive motor, behind the wire rope pile warp tension buffer device, the chain drive-belt other end and the wire rope other end are connected as a single entity with connector, so just have been comprised of hydraulic drive motor, propelling trolley, chain drive-belt, connector, wire rope, tension buffer device to advance back lever system.Rock drilling head with rotation motor and hydraulic impactor is installed on the propelling trolley, the drilling rod of rock drilling head connecting band drill bit, this drilling rod is installed on the frame through the drilling rod grasping device, has so just formed by the rock drilling head, with the drilling rod of drill bit, the rock drilling system that the drilling rod grasping device forms.The output of helical-lobe compressor is connected with the gas input of the frame that doubles as gasholder, the gas output end of gasholder is communicated with endoporus with the drilling rod of drill bit through the rock drilling head, has so just formed the dreg removing system that is comprised of helical-lobe compressor, gasholder, rock drilling head, drilling rod, drill bit.Electrohydraulic control system also is installed on this frame, and the hydraulic oil pipe that is connected with PCU Power Conditioning Unit connects this electrohydraulic control system through snap joint, and the output of this electrohydraulic control system connects respectively a plurality of hydraulic oil inputs of all-hydraulic drill; This electrohydraulic control system realizes control by the cable controller or the Digiplex that are installed in the hydraulic crawler excavator driver's cabin.
Be equipped with on the frame for steadily supporting all-hydraulic drill in ground support, so that the replacing of the annexes such as scraper bowl and depositing when idle.
Dust pelletizing system also is installed on the frame and changes lever system.This dust pelletizing system is except CD-ROM drive motor, installation screw, and remaining part is selected the glass-reinforced plastic material manufacturing.
The radiator of helical-lobe compressor and the superimposed installation of the radiator of hydraulic crawler excavator further make compact conformation of the present invention, do not need to install cooling fan again.
On the second output oil pipe of PCU Power Conditioning Unit stop valve is set, with convenient control to helical-lobe compressor.
The foot switch control that the guide oil route of service valve group is traditional changes solenoid control into, like this so that control convenient.
Hydraulic crawler excavator is generally take diesel engine as power, the high-pressure oil pump that is driven two groups of parallel connections by diesel engine is worked simultaneously, high-pressure oil pump becomes the hydraulic oil in the fuel tank into high pressure conditions, compressed hydraulic oil is finished the exercises of hydraulic crawler excavator by the closure or openness of the different valve groups on the hydraulic crawler excavator distributing valve, the hydraulic oil after the execution flows back to fuel tank again through distributing valve.
Be reserved with the service valve group on the distributing valve of hydraulic crawler excavator, ordinary circumstance is to install hydraulic oil pipe additional so that quartering hammer to be installed, but the service valve group of reserving on traditional excavator distributing valve all just connects one in the high-pressure oil pump of two groups of parallel connections, and can not make supply service valve group behind the hydraulic oil interflow of two groups of high-pressure oil pumps outputs.
The present invention with the service valve group on the hydraulic crawler excavator distributing valve by single oil pump feed, change the Dual-pump flow-converging fuel feeding into, and the foot switch that corresponding guide oil route is traditional control changes solenoid control into, hydraulic oil pipe is installed to the position of scraper bowl in the service valve group simultaneously, in the terminal installation of hydraulic oil pipe snap joint, and on this hydraulic oil pipe the installation power adjusting device, oil return pipe is without the direct oil sump tank of the distributing valve of hydraulic crawler excavator.The effect of this PCU Power Conditioning Unit is: 1. when the all-hydraulic drill that connects during in work, the flow of required hydraulic oil changes; When the flow of needs is large, just can automatically reduce by PCU Power Conditioning Unit the flow of helical-lobe compressor hydraulic motor, otherwise then flow increases, thereby reduce high pressurized overflow as far as possible, make power output utilization maximization; 2. regulate the required flow of hydraulic system and pressure with snap joint coupling (such as hydraulic shear, hydraulic breaking hammer).If be connected with hydraulic breaking hammer, the excavator of same model can be selected the hydraulic breaking hammer of larger model, and power utilization significantly improves, and energy-saving effect is remarkable.
By changing fuel system, hydraulic crawler excavator just can be converted to all-hydraulic rock drilling machine easily, and keeps all functions of conventional hydraulic excavator, and also can conveniently connect needs hydraulically powered other annexes (such as hydraulic breaking hammer), its function Rapid replacement within a few minutes is realized a tractor serves several purposes; Outstanding feature of the present invention is: both can be used for the excavator manufacturer production, also can be used for traditional excavator repacking.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is drill configuration schematic diagram of the present invention.
Label declaration: radiator 1, helical-lobe compressor 2, service valve group 3, PCU Power Conditioning Unit 4, hydraulic oil pipe 5, snap joint 6, propulsion motor 7, propelling trolley 8, rock drilling head 9, change lever system 10, support 11,15, electrohydraulic control system 12, hydraulic permeability reversing gear 13, drilling rod grasping device 14,17, drilling rod 16, drill bit 18, tension buffer device 19, wire rope 20, connector 21, dust pelletizing system 22, guide rail 23, chain drive-belt 24, frame 25, adapter sleeve 26, Digiplex 27, cable controller 28.
The specific embodiment
Now by reference to the accompanying drawings, by an embodiment technology contents of the present invention is described further.
From Fig. 1, Fig. 2 as can be known, the present invention comprises hydraulic crawler excavator A and all-hydraulic drill B with the all-hydraulic rock drilling excavator of hydraulic crawler excavator production.Hydraulic crawler excavator A installs helical-lobe compressor 2 and PCU Power Conditioning Unit 4 by fluid motor-driven additional at the conventional hydraulic excavator; And two groups of parallel high voltage oil pumps that make hydraulic crawler excavator by hydraulic crawler excavator service valve group 3(or add in addition converging valve) behind the interflow, be connected to the input of PCU Power Conditioning Unit 4, the first output oil pipe of PCU Power Conditioning Unit 4 connects the hydraulic oil input of all-hydraulic drill B, the hydraulic motor of the second output oil pipe connecting screw rod compressor 2.The oil return pipe of all-hydraulic drill B and helical-lobe compressor 2 no longer directly accesses the fuel tank of hydraulic crawler excavator by behind the PCU Power Conditioning Unit 4 by the hydraulic crawler excavator distributing valve.The output of helical-lobe compressor 2 is connected with the gas input of all-hydraulic drill B, for all-hydraulic drill B provides required compressed air.The radiator 1 of helical-lobe compressor 2 and the superimposed installation of radiator of hydraulic crawler excavator.
All-hydraulic drill B is linked to each other with the scraper bowl installation site of hydraulic crawler excavator A by adapter sleeve 26,
This adapter sleeve 26 connects the hydraulic permeability reversing gear 13 of the comprehensive boring of control all-hydraulic drill 360 degree, and the other end of hydraulic permeability reversing gear 13 is connected with frame 25.Frame 25 usefulness seamless steel pipes (square tube or pipe) are made, and so both can improve the mechanical strength of frame 25, can double as gasholder again.Guide rail 23 is housed on the frame 25, slidably propelling trolley 8 is installed on the guide rail 23, the top of frame 25 is equipped with hydraulic drive motor 7, and the bottom is equipped with tension buffer device 19.The upper end of propelling trolley 8 connects chain drive-belt 24, lower end connecting steel wire ropes 20, the drive of chain drive-belt 24 pile warp hydraulic drive motors 7, behind the wire rope 20 pile warp tension buffer devices 19, chain drive-belt 24 other ends and wire rope 20 other ends are connected as a single entity with connector 21, so just are comprised of hydraulic drive motor 7, propelling trolley 8, chain drive-belt 24, connector 21, wire rope 20, tension buffer device 19 to advance back lever system.Install with the rock drilling head 9 with rotation motor and hydraulic impactor on the propelling trolley 8, the drilling rod 16 of rock drilling head 9 connecting band drill bits 18, drilling rod 16 is installed on the frame 25 through drilling rod grasping device 14,17, has so just formed the rock drilling system that is comprised of rock drilling head 9, drill bit 18, drilling rod 16, drilling rod grasping device 14,17.The output of helical-lobe compressor 2 is connected with the gas input of the frame 25 that doubles as gasholder, the gas output end of this frame 25 is communicated with endoporus with the drilling rod 16 of drill bit 18 through rock drilling head 9, has so just formed the dreg removing system that is comprised of helical-lobe compressor 2, frame 25, rock drilling head 9, drilling rod 16, drill bit 18.On this frame 25 electrohydraulic control system 12 is installed also, the hydraulic oil pipe 5 that is connected with PCU Power Conditioning Unit 4 connects electrohydraulic control system 12 through snap joint 6, the output of this electrohydraulic control system 12 connects respectively a plurality of hydraulic oil inputs of all-hydraulic drill B, hydraulic oil input such as hydraulic permeability reversing gear 13, the hydraulic oil input of hydraulic drive motor 7, the hydraulic oil input of rock drilling head 9 etc., B finishes positive and negative rotation with the control all-hydraulic drill, impact grinding, advance, return bar, angular adjustment, change bar, deslagging, the exercises such as dedusting, and can regulate required various parameters.This electrohydraulic control system 12 realizes control by the cable controller 28 or the Digiplex 27 that are installed in the hydraulic crawler excavator driver's cabin.
Also can select on the frame 25 dust pelletizing system 22 to be installed, to change lever system 10.This dust pelletizing system 22 is except CD-ROM drive motor, installation screw, and remaining part is selected the composite material manufacturings such as glass fiber reinforced plastic, can guarantee that dust pelletizing system has enough intensity, can alleviate again the weight of complete machine.
Hydraulic crawler excavator is after above-mentioned transformation, its profile is too many variation not, just install helical-lobe compressor 2 and PCU Power Conditioning Unit 4 by fluid motor-driven additional on the chassis, simultaneously the hydraulic circuit of hydraulic crawler excavator improved, so neither affect the original function of hydraulic crawler excavator, make again hydraulic crawler excavator can make hydraulic rock drilling machine and use, and function transfer process simple and fast, in minutes just can finish.
When beginning to hole, at first pass through the position of original institutional adjustment drilling rod 16 of hydraulic crawler excavator A, finish the adjustment of drilling rod 16 front and back positions and direction with the coordination of the large arm of hydraulic crawler excavator A, middle arm, dipper.Send service valve group 3 open command by the controller in the driver's cabin that is installed in hydraulic crawler excavator A, electromagnetic valve on guide's oil circuit of service valve group 3 is started working, thereby open service valve group 3, from the high pressure liquid force feed of service valve group 3 output through PCU Power Conditioning Unit 4, snap joint 6 flows to the electrohydraulic control system 12 of all-hydraulic drill B, helical-lobe compressor 2 is started working simultaneously, and the compressed air input of output doubled as in the frame 25 of gasholder simultaneously, again by frame 25 through rock drilling head 9, drilling rod 16, drill bit 18 exports to provide the all-hydraulic drill B compressed air that deslagging is used.The exercises of all-hydraulic drill B all are to send instruction by the cable controller 28 that is installed in the hydraulic crawler excavator driver's cabin or Digiplex 27, control and finish by being installed in electrohydraulic control system 12 on the frame 25, its specific works program is: at first be communicated with the hydraulic motor of hydraulic permeability reversing gear 13 by electrohydraulic control system 12, transfer drill pipe wobbling to suitable angle; Then be communicated with hydraulic drive motor 7 by electrohydraulic control system 12,7 work of hydraulic drive motor, driving propelling trolley 8 by hydraulic drive motor 7 moves up or down, thereby drive and to be contained in rock drilling head 9 on the propelling trolley 8, drilling rod 16, drill bit 18 advances downwards or return, when advancing, the rotation motor and the hydraulic impactor that are communicated with in the rock drilling head 9 by electrohydraulic control system 12 simultaneously, make drilling rod 16 and drill bit 18 finish rotation and percussion action, guarantee that drilling rod 16 and drill bit 18 advance, and finish drilling operating in rock; Helical-lobe compressor 2 by tracheae with compressed-air-storing in the frame 25 that doubles as gasholder, the compressed air in the frame 25 produces air pressure by rock drilling head 9, drilling rod 16, drill bit 18 in the bottom of holing, outside the disintegrating slag tap with the boring generation; After boring reaches the requirement degree of depth, close impact, start back bar, under the dynamic action of hydraulic drive motor 7, propelling trolley 8 drives drilling rod 16 retractions that are installed on rock drilling head 9, and a circulation is namely finished; If a bar degree of depth is inadequate, also can change the bar action by changing lever system 10 increases.
Above-mentioned compressed-air actuated opening and closing also are to be finished by electrohydraulic control system 12.Electrohydraulic control system 12 also can be controlled dust pelletizing system 22, the hydraulic motor that changes lever system 10 or hydraulic jack.
Be other annexes such as quartering hammer if this hydraulic crawler excavator A connects, then close the stop valve on the second output oil pipe that is installed in PCU Power Conditioning Unit 4, helical-lobe compressor 2 is quit work.
Claims (8)
1. an all-hydraulic rock drilling excavator of producing with hydraulic crawler excavator comprises hydraulic crawler excavator (A) and all-hydraulic drill (B), it is characterized in that:
Hydraulic crawler excavator (A) is helical-lobe compressor (2) and the PCU Power Conditioning Unit (4) that installs additional on all functions basis that keeps the conventional hydraulic excavator by fluid motor-driven; And after making service valve group (3) interflow of two groups of parallel high voltage oil pumps by hydraulic crawler excavator of hydraulic crawler excavator, be connected to the input of PCU Power Conditioning Unit (4); First output oil pipe (5) of PCU Power Conditioning Unit (4) connects the electrohydraulic control system (12) of all-hydraulic drill (B), the hydraulic motor of the second output oil pipe connecting screw rod compressor (2) through snap joint (6); The oil return pipe of all-hydraulic drill (B) and helical-lobe compressor (2) no longer directly accesses the fuel tank of hydraulic crawler excavator by behind the PCU Power Conditioning Unit (4) by the hydraulic crawler excavator distributing valve; The output of helical-lobe compressor (2) is connected with the gas input of all-hydraulic drill (B), and (B) provides required compressed air for all-hydraulic drill; This all-hydraulic drill (B) is installed on the position of bucket of hydraulic crawler excavator (A).
2. the all-hydraulic rock drilling excavator of producing with hydraulic crawler excavator according to claim 1, it is characterized in that: all-hydraulic drill (B) comprises for the adapter sleeve (26) that connects the Hydraulic Excavator Bucket position, adapter sleeve (26) connects the hydraulic permeability reversing gear (13) that is used for the comprehensive boring of control all-hydraulic drill 360 degree, the other end of hydraulic permeability reversing gear (13) is connected with frame (25), frame (25) is used the seamless steel pipe manufacturing, thereby frame (25) doubles as gasholder simultaneously;
Guide rail (23) is housed on the frame (25), slidably propelling trolley (8) is installed on the guide rail (23); The top of frame (25) is equipped with hydraulic drive motor (7), and the bottom is equipped with tension buffer device (19); The upper end of propelling trolley (8) connects chain drive-belt 24, lower end connecting steel wire ropes (20), the drive of chain drive-belt 24 pile warp hydraulic drive motors (7), wire rope (20) pile warp tension buffer device (19), chain drive-belt 24 other ends and wire rope (20) other end connect as one with connector (21), so just are comprised of hydraulic drive motor (7), propelling trolley (8), chain drive-belt (24), connector (21), wire rope (20), tension buffer device (19) to advance back lever system; The upper rock drilling head (9) of installing with rotation motor and hydraulic impactor of this propelling trolley (8), the drilling rod (16) of rock drilling head (9) connecting band drill bit (18), drilling rod (16) is installed on the frame (25) through drilling rod grasping device (14,17), has so just formed by rock drilling head (9), the drilling rod (16) of band drill bit (18), the rock drilling system that drilling rod grasping device (14,17) forms; The output of helical-lobe compressor (2) is connected with the gas input of the frame that doubles as gasholder (25), the gas output end of this frame (25) is communicated with through the endoporus of rock drilling head (9) with the drilling rod (16) of band drill bit (18), has so just formed the dreg removing system that is comprised of helical-lobe compressor (2), frame (25), rock drilling head (9), drilling rod (16), drill bit (18); Electrohydraulic control system (12) also is installed on this frame (25), the hydraulic oil pipe (5) that is connected with PCU Power Conditioning Unit (4) connects this electrohydraulic control system (12) through snap joint (6), and the output of electrohydraulic control system (12) connects respectively a plurality of hydraulic oil inputs of all-hydraulic drill (B); Electrohydraulic control system (12) realizes control by the cable controller (28) or the Digiplex (27) that are installed in the hydraulic crawler excavator driver's cabin.
3. the all-hydraulic rock drilling excavator of producing with hydraulic crawler excavator according to claim 2 is characterized in that: be equipped with on the frame (25) for steadily supporting all-hydraulic drill (B) in ground support (11,15).
4. the all-hydraulic rock drilling excavator of producing with hydraulic crawler excavator according to claim 2 is characterized in that: dust pelletizing system (22) also is installed on the frame (25) and changes lever system (10).
5. the all-hydraulic rock drilling excavator of producing with hydraulic crawler excavator according to claim 4 is characterized in that: this dust pelletizing system (22) except CD-ROM drive motor, install the screw, remaining part is selected to make with glass-reinforced plastic material.
6. the all-hydraulic rock drilling excavator of producing with hydraulic crawler excavator according to claim 1 is characterized in that: the radiator (1) of helical-lobe compressor (2) and the superimposed installation of radiator of hydraulic crawler excavator (A).
7. the all-hydraulic rock drilling excavator of producing with hydraulic crawler excavator according to claim 1 is characterized in that: on second output oil pipe of this PCU Power Conditioning Unit (4) stop valve is set.
8. according to claim 2 or the 3 described all-hydraulic rock drilling excavators of producing with hydraulic crawler excavator, it is characterized in that: the foot switch control that the guide oil route of this service valve group (3) is traditional changes solenoid control into.
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| CN103122647A (en) * | 2013-03-15 | 2013-05-29 | 山东卡特重工机械有限公司 | Remote control rotation system for excavator |
| CN103643894A (en) * | 2013-11-06 | 2014-03-19 | 桂林市华力重工机械有限责任公司 | Crawler-type hydraulic cutting drilling machine of large-air-volume air compressor system |
| CN103643896A (en) * | 2013-11-06 | 2014-03-19 | 桂林市华力重工机械有限责任公司 | Caterpillar-type deep hole hydraulic cutting drill |
| CN103643895A (en) * | 2013-11-06 | 2014-03-19 | 桂林市华力重工机械有限责任公司 | Crawler-type hydraulic cutting drilling machine with intelligent braking device |
| CN103669451A (en) * | 2014-01-08 | 2014-03-26 | 郑清 | Independent hydraulic working system of breaking hammer |
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| CN103643894B (en) * | 2013-11-06 | 2015-10-21 | 桂林市华力重工机械有限责任公司 | A kind of Wind Volume air compressor system tracked hydraulic cutting drill |
| CN103643894A (en) * | 2013-11-06 | 2014-03-19 | 桂林市华力重工机械有限责任公司 | Crawler-type hydraulic cutting drilling machine of large-air-volume air compressor system |
| CN103643896A (en) * | 2013-11-06 | 2014-03-19 | 桂林市华力重工机械有限责任公司 | Caterpillar-type deep hole hydraulic cutting drill |
| CN103643895A (en) * | 2013-11-06 | 2014-03-19 | 桂林市华力重工机械有限责任公司 | Crawler-type hydraulic cutting drilling machine with intelligent braking device |
| CN103670275A (en) * | 2013-12-04 | 2014-03-26 | 贵阳矿山机器厂有限公司 | Hydraulic rock drilling machine |
| CN103670275B (en) * | 2013-12-04 | 2016-06-08 | 贵阳矿山机器厂有限公司 | A kind of hydraulic rock drilling machine |
| CN103669451A (en) * | 2014-01-08 | 2014-03-26 | 郑清 | Independent hydraulic working system of breaking hammer |
| CN104196445A (en) * | 2014-08-29 | 2014-12-10 | 桂林市华力重工机械有限责任公司 | Deflection-swinging type semi-automatic rod replacing hydraulic rock drilling machine |
| CN104653103A (en) * | 2015-02-06 | 2015-05-27 | 柳州市奥火工程机械有限公司 | Rock-drilling tool |
| CN104675774A (en) * | 2015-03-13 | 2015-06-03 | 辽宁瑞丰专用车制造有限公司 | Hydraulic system of rock drilling machine |
| CN104727819A (en) * | 2015-03-30 | 2015-06-24 | 吕学方 | Explosion-free machine and explosion-free excavator |
| CN104727819B (en) * | 2015-03-30 | 2017-06-23 | 吕学方 | One kind drilling cleaves all-in-one and exempts from quick-fried excavator |
| CN105649527A (en) * | 2015-12-29 | 2016-06-08 | 广西华力集团有限公司 | Chain transmission device for rock drill |
| CN106437510A (en) * | 2016-08-31 | 2017-02-22 | 广西徐沃工程机械设备有限公司 | Drilling machine formed through transformation of excavator |
| CN106437510B (en) * | 2016-08-31 | 2019-03-19 | 广西徐沃工程机械设备有限公司 | A kind of drilling machine of excavator transformation |
| CN106854884A (en) * | 2017-01-31 | 2017-06-16 | 遂宁市长丰机械科技有限公司 | The hydraulic shear being changed without in excavator arm |
| CN110005335A (en) * | 2019-04-09 | 2019-07-12 | 湖南文理学院 | It is a kind of that a grade adjustable hydraulic rock drill is rushed based on vibratory impulse |
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| CN102913130B (en) | 2013-08-28 |
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