CN102913130B - Full-hydraulic rock-drilling excavator using hydraulic excavator for production - Google Patents

Full-hydraulic rock-drilling excavator using hydraulic excavator for production Download PDF

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Publication number
CN102913130B
CN102913130B CN 201210474500 CN201210474500A CN102913130B CN 102913130 B CN102913130 B CN 102913130B CN 201210474500 CN201210474500 CN 201210474500 CN 201210474500 A CN201210474500 A CN 201210474500A CN 102913130 B CN102913130 B CN 102913130B
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hydraulic
excavator
frame
rock drilling
drill
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CN102913130A (en
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丁佑民
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丁佑民
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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

All-hydraulic rock drilling excavator
Technical field
The present invention relates to a kind of engineering machinery, particularly a kind of all-hydraulic rock drilling excavator 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 very large pneumatic rock drilling equipment of market owning amount ubiquity energy consumption height, problem that production efficiency is low.All-hydraulic rock drilling machine from external introduction more and more causes people's attention 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 import relatively more has good cross-country ability, strong operability, the characteristics that job area is big.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, at the prior art deficiency, provides a kind of all-hydraulic rock drilling excavator, and its system stability is reliable, and can improve the power output of excavator service valve group, makes flow, the adjustable in pressure of service valve group.
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 comprises hydraulic crawler excavator and all-hydraulic drill, and 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 the interflow valve in addition) 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, 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 inserts 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 while double as gasholder.Guide rail is housed on the frame, is equipped with on the guide rail and slidably advances dolly, the top of frame is equipped with the hydraulic pressure propulsion motor, and the bottom is equipped with the tensioning buffer.This advances the upper end of dolly to connect chain drive-belt, the lower end connects wire rope, the drive of chain drive-belt pile warp hydraulic pressure propulsion motor, behind the wire rope pile warp tensioning buffer, the chain drive-belt other end and the wire rope other end are connected as a single entity with connector, so just have been made up of hydraulic pressure propulsion motor, propelling dolly, chain drive-belt, connector, wire rope, tensioning buffer to advance back lever system.Advance the rock drilling head that has rotation motor and hydraulic impactor is installed on the dolly, 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 rock drilling head, the drilling rod of band drill bit, the rock drilling system that the drilling rod grasping device is formed.The output of helical-lobe compressor is connected with the gas input of the frame of double as gasholder, the gas output end of gasholder is communicated with through the endoporus of rock drilling head with the drilling rod of band drill bit, has so just formed the dreg removing system of being made up 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 a plurality of hydraulic oil inputs of all-hydraulic drill respectively; 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 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 for use.
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 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, makes that like this control is convenient.
Hydraulic crawler excavator generally is power with the diesel engine, 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, and 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 the hydraulic oil interflow back supply service valve group 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 double pump interflow 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 big, just can reduce the flow of helical-lobe compressor hydraulic motor by PCU Power Conditioning Unit automatically, otherwise then flow increases, thereby reduce high pressurized overflow as far as possible, make power output utilization maximization; 2. regulate with the snap joint coupling (such as hydraulic pressure cut, hydraulic breaking hammer) the required flow of hydraulic system and pressure.If be connected with hydraulic breaking hammer, the excavator of same model can be selected the hydraulic breaking hammer of bigger model for use, 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 (as hydraulic breaking hammer), its function is displacement fast in a few minutes, realizes 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, advance dolly 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, tensioning buffer 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 the interflow valve in addition) behind the interflow, be connected to the input of PCU Power Conditioning Unit 4, 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 inserts 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, and 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, but double as gasholder again.Guide rail 23 is housed on the frame 25, is equipped with on the guide rail 23 and slidably advances dolly 8, the top of frame 25 is equipped with hydraulic pressure propulsion motor 7, and the bottom is equipped with tensioning buffer 19.Advance the upper end of dolly 8 to connect chain drive-belt 24, the lower end connects wire rope 20, the drive of chain drive-belt 24 pile warp hydraulic pressure propulsion motors 7, behind the wire rope 20 pile warp tensioning buffers 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 made up of hydraulic pressure propulsion motor 7, propelling dolly 8, chain drive-belt 24, connector 21, wire rope 20, tensioning buffer 19 to advance back lever system.Advance the rock drilling head 9 that has rotation motor and hydraulic impactor is installed on the dolly 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 made up 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 of double as gasholder, 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 of being made up 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 a plurality of hydraulic oil inputs of all-hydraulic drill B respectively, hydraulic oil input as hydraulic permeability reversing gear 13, the hydraulic oil input of hydraulic pressure propulsion 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, 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.
Mounting bracket 11,15 on the frame 25 makes all-hydraulic drill B when off working state, can pass through support 11,15 and steadily support on the ground, so that exchange with scraper bowl.
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 composite material manufacturings such as glass fiber reinforced plastic for use, can guarantee that dust pelletizing system has enough intensity, can alleviate the weight of complete machine again.
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, hydraulic circuit to hydraulic crawler excavator improves simultaneously, so neither influence the original function of hydraulic crawler excavator, make hydraulic crawler excavator can make hydraulic rock drilling machine again 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 big 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 begins work, thereby open service valve group 3, from the high-pressure and hydraulic oil 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 with the compressed air input of output simultaneously in the frame 25 of double as gasholder, 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 concrete working programme 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; Be communicated with hydraulic pressure propulsion motor 7 by electrohydraulic control system 12 then, 7 work of hydraulic pressure propulsion motor, driving propelling dolly 8 by hydraulic pressure propulsion motor 7 moves up or down, thereby drive be contained in advance rock drilling head 9, drilling rod 16 on the dolly 8, drill bit 18 advances downwards or return, when advancing, simultaneously by rotation motor and hydraulic impactor in the electrohydraulic control system 12 connection rock drilling heads 9, 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 is stored in compressed air in the frame 25 of double as gasholder by tracheae, and 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 treating that boring reaches the requirement degree of depth, close impact, start back bar, under the dynamic action of hydraulic pressure propulsion motor 7, advance dolly 8 drives to be installed on drilling rod 16 retractions of rock drilling head 9, a circulation is namely finished; If a bar degree of depth is not enough, 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 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 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) is through the electrohydraulic control system (12) of snap joint (6) connection 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 inserts 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. all-hydraulic rock drilling 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) while double as gasholder;
Guide rail (23) is housed on the frame (25), is equipped with on the guide rail (23) and slidably advances dolly (8); The top of frame (25) is equipped with hydraulic pressure propulsion motor (7), and the bottom is equipped with tensioning buffer (19); Advance the upper end of dolly (8) to connect chain drive-belt (24), the lower end connects wire rope (20), the drive of chain drive-belt (24) pile warp hydraulic pressure propulsion motor (7), wire rope (20) pile warp tensioning buffer (19), chain drive-belt (24) other end and wire rope (20) other end connect as one with connector (21), so just are made up of hydraulic pressure propulsion motor (7), propelling dolly (8), chain drive-belt (24), connector (21), wire rope (20), tensioning buffer (19) to advance back lever system; This propelling dolly (8) is gone up the rock drilling head (9) that has rotation motor and hydraulic impactor is installed, 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) is formed; The output of helical-lobe compressor (2) is connected with the gas input of the frame (25) of double as gasholder, 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 of being made up 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 a plurality of hydraulic oil inputs of all-hydraulic drill (B) respectively; 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. all-hydraulic rock drilling 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. all-hydraulic rock drilling 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. all-hydraulic rock drilling 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. all-hydraulic rock drilling 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. all-hydraulic rock drilling 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 3 described all-hydraulic rock drilling excavators, 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.
CN 201210474500 2012-11-21 2012-11-21 Full-hydraulic rock-drilling excavator using hydraulic excavator for production Active CN102913130B (en)

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