CN106351571A - Handheld seven-star wheel hydraulic drilling rig for mines - Google Patents
Handheld seven-star wheel hydraulic drilling rig for mines Download PDFInfo
- Publication number
- CN106351571A CN106351571A CN201610844072.3A CN201610844072A CN106351571A CN 106351571 A CN106351571 A CN 106351571A CN 201610844072 A CN201610844072 A CN 201610844072A CN 106351571 A CN106351571 A CN 106351571A
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- CN
- China
- Prior art keywords
- star wheel
- shell
- left end
- star
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C2/00—Rotary-piston engines
- F03C2/30—Rotary-piston engines having the characteristics covered by two or more of groups F03C2/02, F03C2/08, F03C2/22, F03C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
Abstract
The invention discloses a handheld seven-star wheel hydraulic drilling rig for mines and relates to the technical field of drilling rigs for mines. The drilling rig comprises a body casing, a handle, a coupling, a drill bit, a drill pipe, a static equilibrium hydraulic motor device, an oil inlet and an oil outlet, wherein the static equilibrium hydraulic motor device comprises a left end cover, a flow distribution sleeve casing, a flow distribution sleeve, a flow distribution sleeve sealing ring, a transparent cover, a seven-star wheel casing, a seven-star wheel, a hollow piston, an eccentric crankshaft, a bearing, a middle end cover and a pressure ring. The static equilibrium hydraulic motor of the seven-star wheel is used as a driving mechanism of the handheld hydraulic drilling rig, the eccentric crankshaft with smaller eccentric distance is selected, a structure that a seven-star wheel and hollow piston cooperate with each other is used for overcoming the defect of small torque caused by the smaller eccentric distance, the size and the weight of the static equilibrium hydraulic motor are reduced, and the hydraulic drilling rig is large in output torque, small in size, light in weight, safe and reliable and has obvious advantages compared with traditional electric coal drills, wind coal drills and gear hydraulic drills.
Description
Technical field
The present invention relates to mining-drilling machine technical field is and in particular to a kind of mining hand-held seven-star wheel hydraulic drill rig.
Background technology
Mining hand-held drill is mainly used in colliery excavation, caving blast hole, bolthole, gas drainage under suction and detection
The minor diameter engineerings such as hole, spy water hole, water injection hole, coal rock layer reinforcing or fire extinguishing injected hole, China is existing mining hand-held little
Type rig has electric coal drill and wind coal borer, because mining hand-held drill is used for underground coal mine, has methane, coal dust etc. about in medium
Explosive mixed gas, from safety considerations, there is potential safety hazard in electric coal drill, and wind coal borer boring capacity is little, and volume is big,
Noise is big, and work produces dust greatly, work under bad environment, and artificial operation wind coal borer is more difficult.
Consider above-mentioned reason, in recent years, occur in that the mining hand-held small-sized drill for power source using hydraulic pressure, this type rig
Mainly adopt the driving structure of gear type motor, but because the output torque of gear motor is less, larger defeated in order to obtain
Go out moment of torsion, need larger gear motor, cause the size of this kind of rig and weight larger, carry high with operation easier, and
Using difficulty in the small space of bad environments.
By patent retrieval, there is following known technical scheme:
Patent 1:
Application number: cn201510127210.1, the applying date: 2015.03.20, authorized announcement date: 2015.06.24, this
Bright disclose a kind of comprehensive crawler type hydraulic drilling rig in colliery, including creeper undercarriage and drilling main frame, described drilling master
Machine includes unit head and unit head frame, and the front end of described creeper undercarriage is provided with support post, on described support post
It is provided with the hydraulic swivel head mechanism driving unit head gantry rotation, described unit head frame is additionally provided with driving frame and moves up and down
Dynamic lift cylinder and the propelling cylinder driving unit head forward-reverse.Instant invention overcomes the deficiencies in the prior art, can
Make that unit head frame is arbitrarily angled to be rotated it is achieved that the comprehensive arbitrarily angled adjustment of drill hole of drilling machine in horizontal plane and vertical plane,
Show outstanding advantage when construction raises up hole and lower inclined hole, upright opening.
Patent 2:
Application number: cn201510061087.8, the applying date: 2015.02.05, authorized announcement date: 2015.05.20, this
Bright disclose a kind of gas-liquid linked rig in colliery, including main frame assembly and the gas-liquid systemses that control and connect main frame assembly,
Described main frame assembly includes main frame, secondary support, column assembly, and main frame is used for holing, and is fixed on column assembly, secondary support one end
It is hinged on main frame, the other end is fixed on column by hinged seat, described main frame, secondary support, column assembly is triangle
Rock-steady structure；Described gas-liquid systemses include water tank, Pneumatic booster pump, operating board, gas-liquid pipeline, described main frame, column assembly, water
Connected by gas-liquid pipeline between case, operating board, described Pneumatic booster pump is connected in the middle of gas-liquid pipeline.The present invention is using compression
Air driven Pneumatic booster pump injects water into column, provides support, and being capable of automatic compensation；Using compressed air by water tank
Hydraulic pressure enters in feed cylinder, realizes the fast forwarding and fast rewinding of oil cylinder, improves drilling efficiency；The present invention is lightweight, structure is simple, movement side
Just, it is applied to all kinds of hardness rock stratum.
Patent 3:
Application number: cn201210230151.7, the applying date: 2012.07.05, authorized announcement date: 2014.01.22, this
Bright a kind of mining guide rail type emulsified liquid hydraulic drilling rig is disclosed.This emulsion hydraulic rig include guide rail open frame, propulsion plant,
Power set, drilling equipment, maneuver control device, are working media using high-water-based emulsion, with non-circular planetary gear tying
Configuration formula emulsion motor does power source；Take the gear being provided with fast, slow two-stage speed change to increase speed adjustable range simultaneously, join
There is simple and effective wet type drilling operation way of supplying water, select spline connection, jackshaft transmission, efficient vibration-damping pad circle measure abatement to inhale
Receive drilling axial vibration power to multinomial innovative technology structural measures such as emulsion motor transmission, in coal road, coal rock tunnel, coal mining
Carry out various drilling operations in the scope of operation, have that output torque is big, low-speed performance is good, bearing capacity is strong, operation quality is high, applicable
The prominent technical characteristic such as scope is wide, can obtain improve production efficiency, reduce labor intensity, and the multiple economy such as eliminate safe hidden trouble
Benefit and social benefit.
Found by above retrieval, above technical scheme does not affect the novelty of the present invention；And above patent literary composition
Part be mutually combined the creativeness not destroying the present invention.
Content of the invention
(1) technical problem solving
The technical problem to be solved there is provided a kind of mining hand-held seven-star wheel hydraulic drill rig, mining to overcome
In electric drill there is potential safety hazard in electric coal drill, and wind coal borer boring capacity is little, and volume is big, and noise is big, and work produces dust greatly, work
Bad environments, artificial operation wind coal borer is more difficult, and gear hydraulic bores size and weight is larger, carries high with operation easier, and
Using difficult problem in the small space of bad environments.
(2) technical scheme
For realizing object above, the present invention is achieved by the following technical programs: a kind of mining hand-held seven-star wheel hydraulic pressure
Rig, including body fuselage (1), handle (2), shaft coupling (3), drill bit (4), drilling rod (5), oil-in (7), oil-out (8) and
Standing balance formula hydraulic motor arrangement (6), described body fuselage (1) includes left end shell (1-1) and right-hand member shell (1-2), institute
State left end shell (1-1) and be connected with right-hand member shell (1-2), be connected with quiet in described left end shell (1-1) and right-hand member shell (1-2)
Force balance type hydraulic motor arrangement (6), described standing balance formula hydraulic motor arrangement (6) is connected with drilling rod by shaft coupling (3)
(5), described drilling rod (5) is connected with drill bit (4), and described left end shell (1-1) is provided with oil-in (7) and oil-out (8), described
Left end shell (1-1) is externally connected to handle (2).
Further, described standing balance formula hydraulic motor arrangement (6) includes left end cap (6-1), flow set shell (6-
2), flow set (6-3), flow set sealing ring (6-4), transparent cover (6-5), seven-star hub cap (6-6), seven-star wheel (6-7), hollow work
Plug (6-8), eccentric crankshaft (6-9), bearing (6-10), intermediate end cover (6-11), pressure rings (6-12)；Described left end cap (6-1)
It is connected with flow set shell (6-2), described flow set shell (6-2) is connected with seven-star hub cap (6-6), described seven-star hub cap
(6-6) it is connected with transparent cover (6-5) on the right side of；It is connected with flow set (6-3), described flow set (6- in described flow set shell (6-2)
3) cover sealing ring (6-4) by flow to be connected with the sealing of eccentric crankshaft (6-9) left end；Described seven-star wheel (6-7) both sides are each
It is connected with a bearing (6-10), described two bearings (6-10) and eccentric crankshaft (6-9) rotate and connect, described bearing
(6-10) the fixing rotation supporting eccentric crankshaft (6-9)；Connected free outside described seven-star wheel (6-7) by pressure rings (6-12)
It is indecisive and changeable plug (6-8), described seven-star hub cap (6-6) is externally connected to intermediate end cover (6-11).
Further, described left end shell (1-1) inner surface, flow set shell (6-2) inner surface and eccentric crankshaft (6-9)
Surface is equipped with oil-feed, fuel-displaced cannelure.
Further, described seven-star wheel (6-7) is uniformly connected with seven hollow pistons (6-8) by pressure rings (6-12).
Further, described eccentric crankshaft (6-9) is connected with shaft coupling (3) by keyway.
Further, seven interior outer end of hole of described seven-star hub cap (6-6) are according to the quantity of hollow piston (6-8) and position
Put and be correspondingly provided with seven intermediate end covers (6-11).
(3) beneficial effect
The invention provides a kind of mining hand-held seven-star wheel hydraulic drill rig, using the standing balance hydraulic motor work of seven-star wheel
For the drive mechanism of hand held hydraulic drill, from the less eccentric crankshaft of eccentric throw, and coordinated using seven-star wheel and hollow piston
Structure overcome the little defect of the moment of torsion causing because eccentric throw is less, also reduce described standing balance formula hydraulic motor simultaneously
Volume and weight, output torque of the present invention is big, size is little, lightweight, safe and reliable, compared to traditional electric coal drill, wind coal borer
There is obvious superiority with gear hydraulic drilling tool.
Brief description
Fig. 1 is the principle schematic of the present invention；
Fig. 2 is the configuration schematic diagram of the present invention；
Fig. 3 is the partial structural diagram of standing balance formula hydraulic motor arrangement of the present invention；
Fig. 4 is the flow schematic diagram of the present invention；
Fig. 5 is the structural representation of seven-star wheel of the present invention and pressure rings；
Fig. 6 is the schematic front view of eccentric crankshaft of the present invention；
Fig. 7 is the cross-sectional schematic of eccentric crankshaft of the present invention.
In figure:
1st, body fuselage, 1-1, left end shell, 1-2, right-hand member shell, 2, handle, 3, shaft coupling, 4, drill bit, 5, drilling rod, 6,
Standing balance formula hydraulic motor arrangement, 6-1, left end cap, 6-2, flow set shell, 6-3, flow set, 6-4, flow set sealing ring,
6-5, transparent cover, 6-6, seven-star hub cap, 6-7, seven-star wheel, 6-8, hollow piston, 6-9, eccentric crankshaft, 6-10, bearing, 6-11,
Intermediate end cover, 6-12, pressure rings, 7, oil-in, 8, oil-out.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is the present invention one
Divide embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making
The every other embodiment being obtained under the premise of creative work, broadly falls into the scope of protection of the invention.
In conjunction with shown in Fig. 1～7, its structural relation is: include body fuselage 1, handle 2, shaft coupling 3, drill bit 4, drilling rod 5,
Oil-in 7, oil-out 8 and standing balance formula hydraulic motor arrangement 6, described body fuselage 1 is included outside left end shell 1-1 and right-hand member
Shell 1-2, described left end shell 1-1 are connected with right-hand member shell 1-2, are connected with quiet in described left end shell 1-1 and right-hand member shell 1-2
Force balance type hydraulic motor arrangement 6, described standing balance formula hydraulic motor arrangement 6 is connected with drilling rod 5 by shaft coupling 3, described
Drilling rod 5 is connected with drill bit 4, and described left end shell 1-1 is provided with oil-in 7 and oil-out 8, connects outside described left end shell 1-1
It is connected to handle 2；Hydraulic oil input standing balance formula hydraulic motor arrangement 6 makes it rotate, and drives the drilling rod 5 being connected by shaft joint 3
Rotate and then drive drill bit 4 to reach the purpose of boring.
Preferably, described standing balance formula hydraulic motor arrangement 6 includes left end cap 6-1, flow set shell 6-2, flow set
6-3, flow set sealing ring 6-4, transparent cover 6-5, seven-star hub cap 6-6, seven-star wheel 6-7, hollow piston 6-8, eccentric crankshaft 6-9,
Bearing 6-10, intermediate end cover 6-11, pressure rings 6-12；Described left end cap 6-1 is connected with flow set shell 6-2, described flow set
Shell 6-2 is connected with seven-star hub cap 6-6, is connected with transparent cover 6-5 on the right side of described seven-star hub cap 6-6；Described flow covers shell
It is connected with flow set 6-3, described flow set 6-3 is covered sealing ring 6-4 by flow and joined with the sealing of eccentric crankshaft 6-9 left end in 6-2
Close and connect；Described seven-star wheel 6-7 both sides are respectively connected with a bearing 6-10, described two bearing 6-10 and eccentric crankshaft 6-
9 rotate connection, the fixing rotation supporting eccentric crankshaft 6-9 of described bearing 6-10；Pass through pressure rings 6- outside described seven-star wheel 6-7
12 are connected with hollow piston 6-8, and described seven-star hub cap 6-6 is externally connected to intermediate end cover 6-11；Eccentric crankshaft 6-9 is using relatively
The structure of little eccentric throw, for reducing the physical dimension of standing balance formula hydraulic motor arrangement 6, standing balance formula hydraulic motor
Device 6 adopts seven-star wheel 6-7 to coordinate with seven hollow pistons, solves that eccentric crankshaft 6-9 eccentric throw is less and the moment of torsion that brings
Minor issue, and then reduce the volume and weight of standing balance formula hydraulic motor arrangement 6.
Preferably, described left end shell 1-1 inner surface, flow set shell 6-2 inner surface and eccentric crankshaft 6-9 surface are all provided with
There are oil-feed, fuel-displaced cannelure, be used for realizing left end shell 1-1 during mining hand-held seven-star wheel hydraulic drill rig work, flow set shell
6-2, eccentric crankshaft 6-9 enter fuel-displaced Assignment Problem.
Preferably, described seven-star wheel 6-7 is uniformly connected with seven hollow piston 6-8 by pressure rings 6-12.
Preferably, described eccentric crankshaft 6-9 is connected with shaft coupling 3 by keyway.
Preferably, seven interior outer end of hole of described seven-star hub cap 6-6 are corresponding according to the quantity of hollow piston 6-8 and position
It is provided with seven intermediate end cover 6-11.
When specifically used, hydraulic oil inputs standing balance formula hydraulic motor arrangement 6, makes the bias being fixed in transparent cover 6-5
Bent axle 6-9 rotates, and drives the drilling rod 5 that shaft joint 3 connects to rotate and then drive drill bit 4 to reach the purpose of boring.
Hydraulic oil passes through oil-in 7 and oil-out 8 carries out joining oil, and wherein hydraulic oil covers 6-3 through eccentric crankshaft 6-9 by flow
On assignment hole, enter seven-star wheel 6-7 and hollow piston 6-8, formed oil column, now hollow piston 6-8 move reciprocatingly, seven-star
Wheel 6-7 does plane parallel motion；Hydraulic oil acts on eccentric crankshaft 6-9 and produces turning moment, so that eccentric crankshaft 6-9 is rotated.
Hydraulic oil by being opened in the oil-in 7 on left end shell 1-1, enters and enters oil ring on left end shell 1-1 inner surface
Shape groove, the hydraulic fluid port then being covered by flow on shell 6-2 enters the oil-feed cannelure that flow covers on shell 6-2 inner surface, and then
Cover the cannelure hydraulic fluid port that the hydraulic fluid port on 6-3 enters on eccentric crankshaft 6-9 by flow, realize the oil-feed of eccentric crankshaft 6-9.
The oil return opening that low pressure oil is passed through on eccentric crankshaft 6-9 enters the cannelure hydraulic fluid port on eccentric crankshaft 6-9, by flow
Hydraulic fluid port on set 6-3 enters the fuel-displaced cannelure that flow covers on shell 6-2 inner surface, and then passes through left end shell 1-1 inner surface
On fuel-displaced cannelure, realize low pressure oil discharge.
The top and bottom of hollow piston 6-8 is engaged with intermediate end cover 6-11 and seven-star wheel 6-7 respectively, seven-star wheel 6-
7 are matched with pressure rings 6-12, and equipped with bearing 6-10, the fixing rotation supporting eccentric crankshaft 6-9 is transported at the two ends of seven-star wheel 6-7
Dynamic, left end cap 6-1 is arranged on the left end of eccentric crankshaft 6-9 to prevent fluid from revealing.
To sum up, the embodiment of the present invention has the advantages that standing balance hydraulic motor using seven-star wheel as handss
Hold the drive mechanism of hydraulic drill rig, from the less eccentric crankshaft of eccentric throw, and the knot using seven-star wheel and hollow piston cooperation
Structure overcomes the little defect of the moment of torsion causing because eccentric throw is less, also reduces the volume of described standing balance formula hydraulic motor simultaneously
And weight, output torque of the present invention is big, size is little, lightweight, safe and reliable, compared to traditional electric coal drill, wind coal borer and tooth
Wheel hydraulic drill has obvious superiority.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation are made a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating
In any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to
Comprising of nonexcludability, wants so that including a series of process of key elements, method, article or equipment and not only including those
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element that limited by sentence "including a ..." it is not excluded that
Also there is other identical element including in the process of described key element, method, article or equipment.
Above example only in order to technical scheme to be described, is not intended to limit；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that: it still can be to aforementioned each enforcement
Technical scheme described in example is modified, or carries out equivalent to wherein some technical characteristics；And these modification or
Replace, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a kind of mining hand-held seven-star wheel hydraulic drill rig, including body fuselage (1), handle (2), shaft coupling (3), drill bit (4), bores
Bar (5), oil-in (7) and oil-out (8) it is characterised in that: also include standing balance formula hydraulic motor arrangement (6), described machine
Body case (1) includes left end shell (1-1) and right-hand member shell (1-2), and described left end shell (1-1) is connected with right-hand member shell (1-
2), it is connected with standing balance formula hydraulic motor arrangement (6), described static(al) in described left end shell (1-1) and right-hand member shell (1-2)
Balanced type hydraulic motor arrangement (6) is connected with drilling rod (5) by shaft coupling (3), and described drilling rod (5) is connected with drill bit (4), described
Left end shell (1-1) is provided with oil-in (7) and oil-out (8), and described left end shell (1-1) is externally connected to handle (2).
2. the mining hand-held seven-star wheel hydraulic drill rig of one kind according to claim 1 it is characterised in that: described standing balance formula
Hydraulic motor arrangement (6) includes left end cap (6-1), flow covers shell (6-2), flow set (6-3), flow cover sealing ring (6-4),
Transparent cover (6-5), seven-star hub cap (6-6), seven-star wheel (6-7), hollow piston (6-8), eccentric crankshaft (6-9), bearing (6-10),
Intermediate end cover (6-11), pressure rings (6-12)；Described left end cap (6-1) is connected with flow set shell (6-2), and described flow set is outer
Shell (6-2) is connected with seven-star hub cap (6-6), is connected with transparent cover (6-5) on the right side of described seven-star hub cap (6-6)；Described flow
It is connected with flow set (6-3), described flow set (6-3) covers sealing ring (6-4) and eccentric crankshaft by flow in set shell (6-2)
(6-9) left end sealing is connected；Described seven-star wheel (6-7) both sides are respectively connected with a bearing (6-10), described two
Bearing (6-10) and eccentric crankshaft (6-9) rotate and connect, and are connected free outside described seven-star wheel (6-7) by pressure rings (6-12)
It is indecisive and changeable plug (6-8), described seven-star hub cap (6-6) is externally connected to intermediate end cover (6-11).
3. the mining hand-held seven-star wheel hydraulic drill rig of one kind according to claim 2 it is characterised in that: described left end shell
(1-1) inner surface, flow set shell (6-2) inner surface and eccentric crankshaft (6-9) surface are equipped with oil-feed, fuel-displaced cannelure.
4. the mining hand-held seven-star wheel hydraulic drill rig of one kind according to claim 2 it is characterised in that: described seven-star wheel (6-
7) uniformly it is connected with seven hollow pistons (6-8) by pressure rings (6-12).
5. the mining hand-held seven-star wheel hydraulic drill rig of one kind according to claim 2 it is characterised in that: described eccentric crankshaft
(6-9) it is connected with shaft coupling (3) by keyway.
6. the mining hand-held seven-star wheel hydraulic drill rig of one kind according to claim 2 it is characterised in that: described seven-star hub cap
(6-6) seven interior outer end of hole are correspondingly provided with seven intermediate end covers (6-11) according to the quantity of hollow piston (6-8) and position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610844072.3A CN106351571B (en) | 2016-09-22 | 2016-09-22 | A kind of mining hand-held seven-star wheel hydraulic drill rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610844072.3A CN106351571B (en) | 2016-09-22 | 2016-09-22 | A kind of mining hand-held seven-star wheel hydraulic drill rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106351571A true CN106351571A (en) | 2017-01-25 |
| CN106351571B CN106351571B (en) | 2018-06-08 |
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ID=57858921
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610844072.3A Active CN106351571B (en) | 2016-09-22 | 2016-09-22 | A kind of mining hand-held seven-star wheel hydraulic drill rig |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2103471C1 (en) * | 1996-01-30 | 1998-01-27 | Юрий Израилович Кругляков | Rotary drilling rig with torque amplifier |
| CN2797713Y (en) * | 2005-05-26 | 2006-07-19 | 尤新荣 | Static balance tilt cylinder type hydraulic motor |
| CN201991442U (en) * | 2011-03-15 | 2011-09-28 | 襄樊汇福达机电设备有限公司 | Oil-electric dual-purpose rotary drilling rig |
| CN102910535A (en) * | 2012-10-23 | 2013-02-06 | 上海中联重科桩工机械有限公司 | Rotary drilling rig and hoisting mechanism, controller and control method thereof |
| CN203248060U (en) * | 2013-05-18 | 2013-10-23 | 安徽恒源煤电股份有限公司 | Hydraulic drilling rig for drilling in coal mine |
| CN103711433A (en) * | 2013-12-24 | 2014-04-09 | 贵州永润煤业有限公司 | Roadheader-mounted hydraulic drilling rig |
-
2016
- 2016-09-22 CN CN201610844072.3A patent/CN106351571B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2103471C1 (en) * | 1996-01-30 | 1998-01-27 | Юрий Израилович Кругляков | Rotary drilling rig with torque amplifier |
| CN2797713Y (en) * | 2005-05-26 | 2006-07-19 | 尤新荣 | Static balance tilt cylinder type hydraulic motor |
| CN201991442U (en) * | 2011-03-15 | 2011-09-28 | 襄樊汇福达机电设备有限公司 | Oil-electric dual-purpose rotary drilling rig |
| CN102910535A (en) * | 2012-10-23 | 2013-02-06 | 上海中联重科桩工机械有限公司 | Rotary drilling rig and hoisting mechanism, controller and control method thereof |
| CN203248060U (en) * | 2013-05-18 | 2013-10-23 | 安徽恒源煤电股份有限公司 | Hydraulic drilling rig for drilling in coal mine |
| CN103711433A (en) * | 2013-12-24 | 2014-04-09 | 贵州永润煤业有限公司 | Roadheader-mounted hydraulic drilling rig |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106351571B (en) | 2018-06-08 |
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