CN203531896U - Multilayer impacting head excavation device - Google Patents
Multilayer impacting head excavation device Download PDFInfo
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- CN203531896U CN203531896U CN201320264489.4U CN201320264489U CN203531896U CN 203531896 U CN203531896 U CN 203531896U CN 201320264489 U CN201320264489 U CN 201320264489U CN 203531896 U CN203531896 U CN 203531896U
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Abstract
The utility model relates to the field of machinery, and in particular relates to a multilayer impacting head excavation device which is applicable to the field of excavation or engineering machinery. The multilayer impacting head excavation device comprises an impacting power box and impacting heads, wherein one end or two ends of the impacting power box are respectively provided with the impacting heads, each end of the impacting power box is provided with more than two impacting heads which are vertically arranged or laterally arranged, so that the excavation height and/or excavation width can be increased. The multilayer impacting head excavation device is reliable in performance, strong in manufacturability, simple to machine and long in service life.
Description
Technical field
The utility model relates to mechanical field, especially a kind of multilayer impact head extractive equipment that is applicable to digging field or engineering machinery field.
Background technology
Coal-winning machine and development machine are mostly drum-type rotation milling blanking at present, excavator mostly is the single bucket of hydraulic-driven or single-tooth impact head digs the broken material of material, along with scientific and technological development has produced reciprocating impact type coal-winning machine and reciprocating impact type development machine and reciprocating impact type, dig installation and be referred to as reciprocating impact digger, it is high that the impact head of reciprocating impact digger is adopted material piece material rate, dust is few, consume energy low, but its digging height and/or width can not meet the needs of digging high seam or Huo Gao rock stratum, Huo Hou rock stratum, high coal seam or solid cement coagulum or wide coagulating cement thing or thick pitch coagulum or wide pitch coagulum or slab knot mud stone or wide plate knot mud stone at present, in order to solve the needs of digging high seam or Huo Gao rock stratum, Huo Hou rock stratum, high coal seam or solid cement coagulum or wide coagulating cement thing or thick pitch coagulum or wide pitch coagulum or slab knot mud stone or wide plate knot mud stone, the present invention proposes a kind of multilayer impact head extractive equipment.
Summary of the invention
The utility model is achieved through the following technical solutions: multilayer impact head extractive equipment comprises dynamic impact problem device, it is first-class to impact, it is characterized in that: impact is set first-class in dynamic impact problem device one or both ends, it is first-class that the every one end of dynamic impact problem device arranges two above impacts, plural impact head is layout and/or left and right layout etc. up and down, increases digging height and/or digging width.
Described multilayer impact head extractive equipment comprises dynamic impact problem device etc., dynamic impact problem device comprises dynamic impact problem case or dynamic impact problem support etc., dynamic impact problem case comprises beater mechanism, guiding mechanism, casing etc., beater mechanism comprises hydraulic impact mechanism or gas impact machine or electric impacting mechanism etc., electric impacting mechanism comprises central axis, driven wheel, travelling gear, bent axle, connecting rod etc., connecting rod comprises dynamic impact part, connecting rod is connected or integral type with the split of dynamic impact part, case supports central axis etc., driven wheel be arranged on central axis or with central axis be integral type, case supports bent axle etc., travelling gears etc. are arranged on bent axle, travelling gear is connected with bent axle split or is integral type etc., driven wheel and travelling gear engagement, one end of connecting rod is connected with bent axle, the other end is connected with impact head, case supports guiding mechanism etc., guiding mechanism comprises impact guide etc., it is first-class that the one or both ends of impact guide arrange impact, impact guide and impact head split or split is connected or be integral type etc., central axis drives driven wheel to rotate, driven wheel band nutating gear rotates, travelling gear drives crankshaft rotating, bent axle drivening rod moves back and forth, connecting rod drives impact head to move back and forth, impact head moves back and forth by impacting guide guiding.Impact guide is with the split of dynamic impact part or split is connected or integral type.
Described dynamic impact problem device comprises casing, plug hammer, control valve etc., casing comprises that two with upper cavity etc., two to arrange two with top plug hammer etc. in upper cavity, control valve is controlled liquid or gas etc., liquid or gas etc. drive two with top plug hammer, to move back and forth, two drive two above impact head reciprocating impacts with top plug hammer, and two become layout and/or left and right layout etc. up and down with upper cavity, increase digging height or width etc.
Described plug hammer comprises that stopper rod etc., stopper rod one or both ends are provided with anti-tamper dynamic impact part mechanism etc.
Described driven wheel drives more than one travelling gear etc.
Described bent axle and/or central axis comprise two or more eccentric shafts etc.
Described travelling gear band nutating gear rotations etc., each travelling gear drives crankshaft rotating, and more than one eccentric shaft etc. is at least set on bent axle.
Described more than one bent axle is symmetrical arranged with respect to central axis or asymmetric arrange etc.
On described central axis, more than one eccentric shaft etc. is set, eccentric shaft and rod hinge connection etc.
Described eccentric shaft is arranged at travelling gear and/or the more than one sidepiece of driven wheel etc.
Described dynamic impact problem device comprises guiding mechanism etc., guiding mechanism comprises suspend friction guiding mechanism or rolling friction guiding mechanism or sliding friction guiding mechanism etc., guiding mechanism comprises impact guide, guide support, guide way etc., guide support and casing split or split is connected or for integral type etc., arrange guide way etc. between guide support and impact guide.
Two described impact heads are staggered front to back motion etc.
The impact guide that is staggered front to back motion that two described impact heads are adjacent shares a guide way constant pitch save space.
A described connecting rod drives one or more impact first-class.
Described connecting rod one or both ends are provided with anti-tamper dynamic impact part mechanism etc., anti-tamper dynamic impact part mechanism comprises rotation anti-tamper dynamic impact part mechanism or split anti-tamper dynamic impact part mechanism or buffering anti-tamper dynamic impact part mechanism etc., it is first-class that the reaction force that the impact head impact bed of material produces is applied to anti-tamper dynamic impact part mechanism, rotation anti-tamper dynamic impact part mechanism's rotating decomposition impact reactive force or split anti-tamper dynamic impact part mechanism decompose impact reactive force etc. by split shock isolation reaction force or buffering anti-tamper dynamic impact part mechanism by snubber, avoid impact reactive force to damage dynamic impact problem device etc.
Described rotation anti-tamper dynamic impact part mechanism comprises oscillating bearing or steering union joint or rzeppa joint or candan universal joint or bulb buckle-groove type or arc buckle-groove type etc.
Described guide way comprises suspension guide way or rolling guide body etc.
The rolling guide body comprises a spherical rolling guide body or ellipse rolling guide or dumbbell shaped rolling guide or cylindrical rolling guide body or taper rolling guide body or the ring rolling guide or rolling guide body or a table column or table shaped ball rolling guide roller guide to the body or drum rolling guide body or grooved drum rolling guide body or a groove shaped column rolling guide or grooved ball rolling guide or groove rolling guide body or a groove shaped ellipse rolling guide body or shaft rolling guide body or rolling guide body with holes or multiple keys to scroll through the guide body or multiple sets of rolling guide body or roll drum rolling guide body or a ball rolling guide body or needle roller rolling guide body or roller rolling guide or linear bearing rolling guide body or drum wheel rolling guide body or a combined rolling guide etc..
Described suspension guide way comprises suspension guide way or suspension gas guide way or suspension magnetic steering body etc.
Described a plurality of impact head alternately impinge materials etc., reduce the damage etc. that a plurality of impact heads impact the reaction force impact power set of generation simultaneously.
On described central axis and/or bent axle and/or connecting rod etc., be provided with lubricated fluid passage etc.
Described impact head comprises impact teeth, braces etc.
It is stepped etc. that described impact teeth is arranged on braces, forming staged impact head or taper impacts first-class, the bed of material is impacted into stairstepping, crack the structural strength of the bed of material etc., staged impact head utilizes the bump of the stairstepping bed of material, reduce impact resistance etc., increase digging cut dark etc., the piece material granularity that utilizes the stepped bed of material that material is adopted into while next time impacting to be suitable for transportation and to use etc.
Water spraying mechanism and/or humidifier etc. are set on described braces.
Described impact teeth comprises face tooth and/or blanking tooth etc. clearly, and clear face tooth is cleared up into required form by the bed of material, is conducive to supporting, is conducive to fuselage and passes through etc.
Described multilayer impact head extractive equipment comprises fuselage, running part etc., and dynamic impact problem device etc. is arranged on fuselage, and running part drives the walkings such as fuselage, and fuselage drives the walkings such as dynamic impact problem device.
Described multilayer impact head extractive equipment comprises elevating mechanism etc., and elevating mechanism comprises vertical lifting mechanism or rocking arm or translation lifting mechanism etc.
Described multilayer impact head extractive equipment comprises rocking arm etc., and rocking arm one end is arranged on fuselage, and the other end of rocking arm is connected with dynamic impact problem device etc.
Described fuselage or running part comprise rotating disc etc., and rotating disc is arranged on the top front end of fuselage or is arranged on underbelly running part top etc.
Described vertical lifting mechanism or rocking arm or dynamic impact problem device etc. are arranged on rotating disc, and rotating disc rotarily drives the rotations such as vertical lifting mechanism or rocking arm, and vertical lifting mechanism or rocking arm etc. drive the rotations such as dynamic impact problem device.
Described vertical lifting mechanism or rocking arm or dynamic impact problem device etc. are arranged on fuselage, and rotating disc drives the rotations such as fuselage, and fuselage drives the rotations such as dynamic impact problem device.
Described rocking arm comprises four connecting rod rocker arm bodies or single rocker arm body etc.
Described single rocker arm body comprises the single rocker arm body of rotation or flexible single rocker arm body or Telescopic rotating list rocker arm body or bending list rocker arm body etc.
Described impact head forms the righting of multi-point support structure by support guides such as one or more impact guides and impacts first-class impact direction.
Described impact head comprises the Chong Wai layered material He Chongnei of mechanism layered material mechanism etc., the Chong Wai layered material Yu Chongnei of mechanism layered material mechanism is near arranging, Chong Wai layered material mechanism comprises the outer layered material tooth of punching etc., Chong Nei layered material mechanism comprises the interior layered material tooth of punching etc., rush the shape of outer layered material tooth and/or be arranged with to be beneficial to and the outer layered material for the treatment of borrow layer is rushed etc., rushing space between outer layered material tooth is conducive to flow out between space that Jiang Chongnei layered material mechanism rushes the material layered material tooth from rushing falling Huo Chongwai layered material mechanism and discharging Dong Jiangchongnei layered material mechanism is set rushes material discharge falling etc., the Chong Nei layered material Yu Chongwai of mechanism layered material mechanism matches to realize and impacts blanking discharge etc., make fuselage can pass through smoothly continuous borrow etc.
Described Chong Wai layered material mechanism comprises the outer layered material tooth of punching, rush outer layered material toothholder, rush outer layered material protector etc., rush that outer layered material toothholder is connected with punching outer layered material tooth split or be integral type etc., Chong Nei layered material mechanism comprises layered material tooth in punching, layered material toothholder in punching, the interior layered material protector of punching etc., the interior layered material toothholder of punching is connected with layered material tooth split in punching or is integral type etc., rush that outer layered material protector is connected with punching outer layered material toothholder split or be integral type etc., the interior layered material protector of punching is connected with layered material toothholder split in punching or is integral type etc., dynamic impact problem case drives the Chong Wai layered material Yu Chongnei of mechanism layered material mechanism to move back and forth, rush outer layered material protector, in punching, between layered material protector and dynamic impact problem case etc., remain and partially overlap, prevent that material from entering in punching outer layered material protector and dynamic impact problem case and/or preventing that material from entering the interior layered material protector of punching and dynamic impact problem case is interior etc.
Described rush outer layered material protector and comprise the outer layered material protected apron of punching etc., rush outer layered material protected apron along the outer layered material toothholder surrounding layout of punching etc., in punching, layered material protector comprises in punching layered material protected apron etc., rushes interior layered material protected apron along rushing interior layered material toothholder surrounding layout etc.
Described rushes interior layered material protector with rushing interior layered material toothholder reciprocating motion etc., rush outer layered material protector with rushing outer layered material toothholder reciprocating motion etc., in punching, the outer layered material protected apron laminating of layered material protected apron and punching dynamic impact problem case reciprocating motion and sticking part are provided with anti-wear gap etc.
The described interior layered material protected apron that rushes comprises the interior layered material protected apron seal of punching etc., rush outer layered material protected apron and comprise the outer layered material protected apron seal of punching etc., in punching, the position of layered material protected apron seal and/or the outer layered material protected apron seal of punching is arranged on and the dynamic impact problem case end that overlaps all the time, dynamic impact problem case comprises dynamic impact problem case seal etc., and dynamic impact problem case seal is arranged on and rushes interior layered material protected apron and the outer layered material protected apron of the punching end that overlaps all the time.
The described interior layered material protected apron that rushes is provided with seal etc. with the interior layered material toothholder of punching joint portion, rushes outer layered material protected apron and is provided with seal etc. with punching outer layered material toothholder joint portion.
Described dynamic impact problem case comprises protected apron stroke groove etc., rush outer layered material protector and comprise the outer layered material protected apron of punching etc., in punching, layered material protector comprises layered material protected apron etc. in punching, and the part that in punching, layered material protected apron is adjacent with the outer layered material protected apron of punching moves back and forth etc. in protected apron stroke groove.
In described protected apron stroke groove, be provided with elastic body etc.
Described rush outer layered material protected apron free end and be provided with layered material protected apron free end in elastic body etc. and/or punching and be provided with elastic body etc.
The material that described elastic body is brought the outer layered material protected apron of punching and/or the interior layered material protected apron of punching into by elastic deformation and/or drop into material in protected apron stroke groove etc. and shake off ejection.
Described elastic body absorbs the impact reactive force of Chong Wai layered material mechanism and/or Chong Nei layered material mechanism etc. by elastic deformation.
The beneficial effects of the utility model are:
(1) multilayer impact head extractive equipment, in dynamic impact problem device one or both ends, impact head is set, the every one end of dynamic impact problem device arranges two above impact heads, and plural impact head becomes to arrange up and down and/or left and right layout, increased digging height and/or digging width.
(2) this multilayer impact head extractive equipment, driven wheel band nutating gear rotates, travelling gear drives crankshaft rotating, a plurality of impact head impact blankings have been increased, changed when a bent axle is driven to one deck impact head impact, for increase mining height by impact head do too highly, wide, cause an impact head to bear low etc. the defect of excessive impact resistance, efficiency;
(3) driven wheel is driven plural driving cog rotate and can form upper and lower and/or left and right multilayer impact head impact structure, a plurality of impact heads have increased mining height and have adopted wide, width height because of impact head during each impact head impact is moderate rationally, reduced widely impact resistance, reduce the impact reaction of single punching shovel impact headstock and broken other power, the utilization of a plurality of punching shovel alternately impinge dynamic impact problem is reasonable, and efficiency is high;
(4) between gear and gear, be flexibly connected, there is certain anti-breaking not and cushioning effect;
(5) more than one bent axle is symmetrical arranged with respect to central axis, Stability Analysis of Structures, stress equalization;
(6) more than one eccentric shaft is set on central axis, makes central axis drive more than one impact head impact, make central axis have transmission agency to have again the blanking of impact function, the high compact conformation of space availability ratio;
(7) eccentric shaft be arranged at travelling gear and/or driven wheel both sides and have casing or rack supporting structure rationally, firm;
(8) a plurality of impact heads are staggered front to back motion, make power concentration on an impact head, impact moment force of explosion large impact intensity large, and a plurality of impact head alternately impinge digging heights are large, amplitude broad, efficiency are high;
(9) two adjacent impact heads are staggered front to back motion, and it impacts guide and shares a guide way, saves space and parts;
(10) gear sidepiece arranges plural eccentric shaft, has further increased digging height and/or width;
(11) anti-tamper dynamic impact part mechanism is set between connecting rod and impact head, the reaction force that the impact head impact bed of material produces is applied in anti-tamper dynamic impact part mechanism, rotation anti-tamper dynamic impact part mechanism's rotating decomposition impact reactive force or split anti-tamper dynamic impact part mechanism decompose impact reactive force by split shock isolation reaction force or buffering anti-tamper dynamic impact part mechanism by snubber, avoid impact reactive force to damage dynamic impact problem device.
(12) rolling guide body and/or suspension guide way have greatly reduced reciprocating impact frictional resistance, have reduced noise, have improved efficiency;
(13) the lubricated fluid passage arranging on central axis and/or bent axle and/or connecting rod has improved the lubricated and cooling-down effect to central axis, bent axle, connecting rod, has guaranteed system reliability of operation;
(14) water spraying mechanism arranging on braces, humidifier have reduced the generation of spark, and impact tooth has played good cooling effect;
(15) clear face tooth and/or blanking tooth are used in combination, and have realized blanking and clear face, have guaranteed passing through smoothly of fuselage, have improved blanking efficiency.
(16) rotating disc is arranged on back front end, and vertical lifting mechanism or rocking arm are arranged on rotating disc, and rotating disc rotarily drives rocking arm rotation, and rocking arm drives the rotation of dynamic impact problem device, realizes multi-faceted impact blanking and digs material;
(17) rotating disc is arranged on underbelly running part top, and vertical lifting mechanism or rocking arm or dynamic impact device are arranged on fuselage, and rotating disc drives fuselage rotation, and fuselage drives the rotation of dynamic impact problem device, realizes multi-faceted impact blanking and digs material;
(18) four connecting rod rocker arm bodies have guaranteed that impact guide is parallel with fuselage all the time, have guaranteed the impact head vertical impact bed of material.
(19) rotate the flexibility that single rocker arm body or flexible single rocker arm body or Telescopic rotating list rocker arm body or bending list rocker arm body have increased impact head impact digging, expanded width and/or the height of impact head impact digging.
(20) impact head is formed the impact direction of multi-point support structure righting impact head by plural impact guide support guide, has reduced the pressure and the damage that because of Single Impact guide support impact head, cause.
(21) shape of the outer layered material tooth of punching and/or be arranged with the outer layered material being beneficial to treating borrow layer and rush, rushing space between outer layered material tooth is conducive to flow out between space that Jiang Chongnei layered material mechanism rushes the material layered material tooth from rushing falling Huo Chongwai layered material mechanism and discharging Dong Jiangchongnei layered material mechanism is set rushes the material falling and discharge, the Chong Nei layered material Yu Chongwai of mechanism layered material mechanism matches to realize and impacts blanking discharge, makes fuselage can pass through smoothly continuous borrow.
(22) dynamic impact problem case drives the Chong Wai layered material Yu Chongnei of mechanism layered material mechanism to move back and forth, rush between outer layered material protector, the interior layered material protector of punching and dynamic impact problem case and remain and partially overlap, prevent that material from entering in the outer layered material protector of punching and dynamic impact problem case and/or preventing that material from entering in the interior layered material protector of punching and dynamic impact problem case, prevent from entering because of material the obstruction of impact stroke between dynamic impact problem Xiang Yuchongwai layered material mechanism and/or Chong Nei layered material mechanism, improved the cleannes of dynamic impact problem device workpiece.
(23) in punching, the position of layered material protected apron seal and/or the outer layered material protected apron seal of punching is arranged on and the dynamic impact problem case end that overlaps all the time, dynamic impact problem case seal is arranged on and rushes interior layered material protected apron and the outer layered material protected apron of the punching end that overlaps all the time, further improve the cleannes of dynamic impact problem device workpiece, guaranteed the safe and reliable of equipment operation.
(24) in protected apron stroke groove, be provided with elastic body, rush outer layered material protected apron free end be provided with elastic body and/or punching in layered material protected apron free end be provided with elastic body, elastic body is shaken off ejection by elastic deformation by the material that in the outer layered material protected apron of punching and/or punching, layered material protected apron is brought into and/or the unclassified stores of dropping in protected apron stroke groove, elastic body absorbs the impact reactive force of Chong Wai layered material mechanism and/or Chong Nei layered material mechanism by elastic deformation, guaranteed the safe operation of whole equipment.
Accompanying drawing explanation
Fig. 1 is the front view of multilayer impact head extractive equipment in embodiment 1;
Fig. 2 is the front view of multilayer impact head extractive equipment in embodiment 2;
Fig. 3 is the top view of multilayer impact head extractive equipment in embodiment 2;
Fig. 4 is the front view of multilayer impact head extractive equipment in embodiment 3;
Fig. 5 is the front view of multilayer impact head extractive equipment in embodiment 4;
Fig. 6 is the sectional view of multilayer impact head extractive equipment A-A direction in embodiment 4;
Fig. 7 is the front view of multilayer impact head extractive equipment connecting rod in embodiment 5;
Fig. 8 is the front view of multilayer impact head extractive equipment connecting rod in embodiment 6;
Fig. 9 is the front view of multilayer impact head extractive equipment connecting rod in embodiment 7;
Figure 10 is the front view of multilayer impact head extractive equipment impact head in embodiment 8;
Figure 11 is the front view of multilayer impact head extractive equipment in embodiment 9;
Figure 12 is the front view of multilayer impact head extractive equipment in embodiment 10;
Figure 13 is the front view of multilayer impact head extractive equipment in embodiment 11;
Figure 14 is the top view of multilayer impact head extractive equipment in embodiment 12;
Figure 15 is the front view of multilayer impact head extractive equipment Chong Wai layered material mechanism in embodiment 13;
Figure 16 is the top view of multilayer impact head extractive equipment in embodiment 14;
In figure: 1, dynamic impact problem device; 2, impact head; 3, dynamic impact problem case; 4, beater mechanism; 5, guiding mechanism; 6, casing; 7, central axis; 8, driven wheel; 9, travelling gear; 10, bent axle; 11, connecting rod; 12, impact guide; 13, plug hammer; 14, stopper rod; 15, anti-tamper dynamic impact part mechanism; 16, guide support; 17, guide way; 18, lubricated fluid passage; 19, impact teeth; 20, braces; 21, water spraying mechanism; 22, fuselage; 23, running part; 24, elevating mechanism; 25, rotating disc; 26, Telescopic rotating list rocker arm body; 27, bending list rocker arm body; 28, Chong Wai layered material mechanism; 29, Chong Nei layered material mechanism; 30, the outer layered material tooth of punching; 31, the outer layered material toothholder of punching; 32, the outer layered material protector of punching; 33, layered material tooth in punching; 34, layered material toothholder in punching; 35, layered material protector in punching; 36, protected apron stroke groove; 37, elastic body.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Embodiment 1
Fig. 1 is the multilayer impact head extractive equipment described in embodiment 1, multilayer impact head extractive equipment comprises dynamic impact problem device 1, impact head 2, at dynamic impact problem device 1 two ends, impact head 2 is set, the every one end of dynamic impact problem device 1 arranges two impact heads 2, two impact heads 2 are up and down to be arranged, increases digging height.
Described dynamic impact problem device 1 can arrange impact head 2 in one end.
Described every one end of dynamic impact problem device 1 can arrange plural impact head.
Described impact head 2 can be left and right to be arranged, increases digging width.
Fig. 2, Fig. 3 is the multilayer impact head extractive equipment described in embodiment 2, comprise dynamic impact problem device 1, dynamic impact problem device 1 is dynamic impact problem case 3, dynamic impact problem case 3 comprises beater mechanism 4, guiding mechanism 5, casing 6, beater mechanism 4 is electric impacting mechanism, electric impacting mechanism comprises central axis 7, driven wheel 8, travelling gear 9, bent axle 10, connecting rod 11, casing 6 centre of support axles 7, driven wheel 8 is arranged on central axis 7, casing 6 supports bent axle 10, travelling gear 9 is arranged on bent axle 10, travelling gear 9 is connected with bent axle 10 splits, driven wheel 8 and travelling gear 9 engagements, one end of connecting rod 11 is connected with bent axle 10, the other end is connected with impact head 2, casing 6 support guide mechanisms 5, guiding mechanism 5 comprises impact guide 12, the two ends of impacting guide 12 arrange impact head 2, impacting guide 12 is connected with impact head 2 splits, central axis 7 drives driven wheel 8 to rotate, driven wheel 8 band nutating gears 9 rotate, travelling gear 9 band bent axle 10 rotations, bent axle 10 drivening rods 11 move back and forth, connecting rod 11 drives impact head 2 to move back and forth, impact head 2 moves back and forth by impacting guide 12 guiding.
Described dynamic impact problem device 1 can be dynamic impact problem support.
Described beater mechanism 4 can be hydraulic impact mechanism or gas impact machine.
Described driven wheel 8 can be integral type with central axis 7.
Described travelling gear 9 can be integral type with bent axle 10.
Described impact guide 12 and impact head 2 can splits or are integral type.
Described bent axle 10 comprises two eccentric shafts.
Other are with embodiment 1.
Embodiment 3
Fig. 4 is the multilayer impact head extractive equipment described in embodiment 3, dynamic impact problem device 1 comprises casing 6, plug hammer 13, control valve, casing 6 comprises two cavitys, and two plug hammers 13 are set in two cavitys, and plug hammer 13 comprises stopper rod 14, stopper rod 14 one end are provided with anti-tamper dynamic impact part mechanism 15, control valve is controlled liquid, and two plug hammers 13 of liquid driven move back and forth, and two plug hammers 13 drive two impact head 2 reciprocating impacts, two cavitys become up and down to arrange, increase digging height.
Described control valve can also be controlled gas, and gas-powered plug hammer 13 moves back and forth.
Two described cavitys can also be left and right to be arranged, increases digging width.
Other are with embodiment 1.
Embodiment 4
Fig. 5, Fig. 6 are the multilayer impact head extractive equipments described in embodiment 4, dynamic impact problem device 1 comprises guiding mechanism 5, guiding mechanism 5 is rolling friction guiding mechanism, guiding mechanism 5 comprises impact guide 12, guide support 16, guide way 17, guide support and casing 6 are integral type, between guide support 16 and impact guide 12, guide way 17 is set, two impact heads 2 are staggered front to back motion, two adjacent impact guides that are staggered front to back motion 12 of impact head 2 share a guide way 17 and save space, and guide way is waist drum wheel rolling guide body.
Described guiding mechanism 5 can also be the friction guiding mechanism that suspends.
Described guide way 17 can be suspension guide way or rolling guide body.
The rolling guide body can be spherical or oval rolling guide body rolling guide body or dumbbell shaped rolling guide or cylindrical rolling guide body or taper rolling guide body or the ring rolling guide or rolling guide body or a table column rolling guide body or a table shaped ball rolling guide body or a drum rolling guide or grooved drum rolling guide body or a groove shaped column rolling guide or grooved ball rolling guide or groove rolling guide body or a groove shaped ellipse rolling guide body or shaft rolling guide body or rolling guide body with holes or multiple keys to scroll through the guide body or multiple sets of rolling guide body or rolling drum rolling guide body or a ball rolling guide body or needle roller rolling guide body or roller rolling guide or linear bearing rolling guide body etc..
Described suspension guide way can be suspension guide way or suspension gas guide way or suspension magnetic steering body.
Other are with embodiment 1.
Fig. 7 is the connecting rod 11 of the multilayer impact head extractive equipment described in embodiment 5, connecting rod 11 one end are provided with anti-tamper dynamic impact part mechanism 15, anti-tamper dynamic impact part mechanism 15 is buffering anti-tamper dynamic impact part mechanism, buffering anti-tamper dynamic impact part mechanism is set to dish spring, dish spring decomposes impact reactive force by snubber, avoids impact reactive force to damage dynamic impact problem device.
Described anti-tamper dynamic impact part mechanism 15 can also be rotation anti-tamper dynamic impact part mechanism or split anti-tamper dynamic impact part mechanism.
Described rotation anti-tamper dynamic impact part mechanism can be oscillating bearing or steering union joint or rzeppa joint or candan universal joint or bulb buckle-groove type or arc buckle-groove type etc.
Other are with embodiment 1.
Embodiment 6
Fig. 8 is the connecting rod 11 of the multilayer impact head extractive equipment described in embodiment 6, connecting rod 11 one end are provided with anti-tamper dynamic impact part mechanism 15, anti-tamper dynamic impact part mechanism 15 is buffering anti-tamper dynamic impact part mechanism, buffering anti-tamper dynamic impact part mechanism is set to polyurethane cushion block, polyurethane cushion block decomposes impact reactive force by snubber, avoid impact reactive force to damage dynamic impact problem device, connecting rod 11 is provided with lubricated fluid passage 18.
Other are with embodiment 1.
Embodiment 7
Fig. 9 is the connecting rod 11 of the multilayer impact head extractive equipment described in embodiment 7, connecting rod 11 one end are provided with anti-tamper dynamic impact part mechanism 15, anti-tamper dynamic impact part mechanism 15 is buffering anti-tamper dynamic impact part mechanism, buffering anti-tamper dynamic impact part mechanism is set to spring, spring decomposes impact reactive force by snubber, avoids impact reactive force to damage dynamic impact problem device.
Other are with embodiment 1.
Embodiment 8
Figure 10 is the impact head of the multilayer impact head extractive equipment described in embodiment 8, impact head comprises impact teeth 19, braces 20, impact teeth 19 is arranged in stepped on braces 20, form staged impact head, the bed of material is impacted into stairstepping, crack the compressive stress of the bed of material, staged impact head utilizes the bump of the stairstepping bed of material, reduce impact resistance, increasing digging cuts dark, while impacting, utilize the stepped bed of material material to be adopted into the piece material granularity that is suitable for transportation and uses next time, water spraying mechanism 21 is set on braces.
Other are with embodiment 1.
Embodiment 9
Figure 11 is the multilayer impact head extractive equipment described in embodiment 9, comprise dynamic impact problem device 1, impact head 2, fuselage 22, running part 23, elevating mechanism 24, elevating mechanism 24 is rocking arm; rocking arm is set to four connecting rod rocker arm bodies; rocking arm one end is arranged on fuselage 22; other end of rocking arm is connected with dynamic impact problem device 1, and running part 23 drives fuselage 22 walkings, and fuselage 22 drives 1 walking of dynamic impact problem device.
Described elevating mechanism 24 can be vertical lifting mechanism or rocking arm or translation lifting mechanism.
Other are with embodiment 1.
Figure 12 is the multilayer impact head extractive equipment described in embodiment 10, fuselage 22 comprises rotating disc 25, rotating disc 25 is arranged on the top front end of fuselage 22; rocking arm is arranged on rotating disc 25; rotating disc 25 rotarily drives rocking arm rotation; rocking arm drives 1 rotation of dynamic impact problem device, and rocking arm is single rocker arm body, and single rocker arm body is Telescopic rotating list rocker arm body 26.
Described single rocker arm body can also be for rotating single rocker arm body or flexible single rocker arm body or bending list rocker arm body.
Other are with embodiment 1.
Figure 13 is the multilayer impact head extractive equipment described in embodiment 11, running part 23 comprises rotating disc 25, rotating disc 25 is arranged on fuselage 22 lower running portion 23 tops; rocking arm one end is arranged on fuselage 22; other end of rocking arm is connected with dynamic impact problem device 1; rocking arm is bending list rocker arm body 27; rotating disc 25 drives fuselage 22 rotations; fuselage 22 drives 1 rotation of dynamic impact problem device, and impact head 2 is formed the impact direction of multi-point support structure righting impact head 2 by plural impact guide 12 support guides.
Other are with embodiment 1.
Figure 14 is the multilayer impact head extractive equipment described in embodiment 12, impact head 2 comprises the Chong Wai layered material 28He Chongnei of mechanism layered material mechanism 29, the Chong Wai layered material 28Yu Chongnei of mechanism layered material mechanism 29 is near arranging, Chong Wai layered material mechanism 28 comprises the outer layered material tooth 30 of punching, rush outer layered material toothholder 31, rush outer layered material protector 32, rushing outer layered material toothholder 31 is connected with outer layered material tooth 30 splits of punching, Chong Nei layered material mechanism 29 comprises layered material tooth 33 in punching, layered material toothholder 34 in punching, layered material protector 35 in punching, in punching, layered material toothholder 34 is connected with layered material tooth 33 splits in punching, rushing outer layered material protector 32 is connected with outer layered material toothholder 31 splits of punching, in punching, layered material protector 35 is connected with layered material toothholder 34 splits in punching, dynamic impact problem case 3 drives the Chong Wai layered material 28Yu Chongnei of mechanism layered material mechanism 29 to move back and forth, rush outer layered material protector 32, in punching, between layered material protector 35 and dynamic impact problem case 3, remain and partially overlap, prevent that material from entering in punching outer layered material protector 32 and dynamic impact problem case 3 and/or preventing that material from entering in punching in layered material protector 35 and dynamic impact problem case 3, rush the shape of outer layered material tooth 30 and/or be arranged with the outer layered material being beneficial to treating borrow layer and rush, rush and between the space that space between outer layered material tooth 30 is conducive to material layered material tooth 30 from rushing that 29 punchings of Jiang Chongnei layered material mechanism fall, flow out Huo Chongwai layered material mechanism 29 and the material that 29 punchings of discharging Dong Jiangchongnei layered material mechanism fall is set discharges, the Chong Nei layered material 29Yu Chongwai of mechanism layered material mechanism 28 matches to realize and impacts blanking discharge, make fuselage 22 can pass through smoothly continuous borrow.
Other are with embodiment 1.
Embodiment 13
Figure 15 is the Chong Wai layered material mechanism of the multilayer impact head extractive equipment described in embodiment 13, Chong Wai layered material mechanism 28 comprises the outer layered material tooth 30 of punching, the outer layered material toothholder 31 of punching, the outer layered material protector 32 of punching, rushing outer layered material tooth 30 is integral type with the outer layered material toothholder 31 of punching, rush outer layered material protector 32 for the outer layered material protected apron of punching, rush outer layered material protected apron layered material toothholder surrounding outside punching and arrange, rush outer layered material protected apron and move back and forth with the outer layered material toothholder 31 of punching.
Other are with embodiment 1.
Embodiment 14
Figure 16 is the multilayer impact head extractive equipment described in embodiment 14, dynamic impact problem case 3 comprises protected apron stroke groove 36, rush outer layered material protector 32 for the outer layered material protected apron of punching, in punching, layered material protector 35 is layered material protected apron in punching, the part that in punching, layered material protected apron is adjacent with the outer layered material protected apron of punching is in the 36 interior reciprocating motions of protected apron stroke groove, in protected apron stroke groove 36, be provided with elastic body 37, elastic body 37 is shaken off ejection by elastic deformation by the material that in the outer layered material protected apron of punching and/or punching, layered material protected apron is brought into and/or the material of dropping in protected apron stroke groove 36, elastic body 37 absorbs the impact reactive force of Chong Wai layered material mechanism 28 and/or Chong Nei layered material mechanism 29 by elastic deformation.
Described elastic body 37 can be arranged at layered material protected apron free end in the outer layered material protected apron free end of punching and/or punching.
Other are with embodiment 1.
Claims (45)
1. a multilayer impact head extractive equipment, multilayer impact head extractive equipment comprises dynamic impact problem device, impact head, it is characterized in that: in dynamic impact problem device one or both ends, impact head is set, the every one end of dynamic impact problem device arranges two above impact heads, plural impact head is to be arranged and/or left and right layout up and down, increases digging height and/or digging width.
2. multilayer impact head extractive equipment according to claim 1, it is characterized in that: described multilayer impact head extractive equipment comprises dynamic impact problem device, dynamic impact problem device comprises dynamic impact problem case or dynamic impact problem support, dynamic impact problem case comprises beater mechanism, guiding mechanism, casing, beater mechanism comprises hydraulic impact mechanism or gas impact machine or electric impacting mechanism, electric impacting mechanism comprises central axis, driven wheel, travelling gear, bent axle, connecting rod, connecting rod comprises dynamic impact part, connecting rod is connected or integral type with the split of dynamic impact part, case supports central axis, driven wheel be arranged on central axis or with central axis be integral type, case supports bent axle, travelling gear is arranged on bent axle, travelling gear is connected with bent axle split or is integral type, driven wheel and travelling gear engagement, one end of connecting rod is connected with bent axle, the other end is connected with impact head, case supports guiding mechanism, guiding mechanism comprises impact guide, the one or both ends of impacting guide arrange impact head, impact guide and impact head split or split is connected or be integral type, central axis drives driven wheel to rotate, driven wheel band nutating gear rotates, travelling gear drives crankshaft rotating, bent axle drivening rod moves back and forth, connecting rod drives impact head to move back and forth, impact head moves back and forth by impacting guide guiding, impact guide is with the split of dynamic impact part or split is connected or integral type.
3. multilayer impact head extractive equipment according to claim 1, it is characterized in that: described dynamic impact problem device comprises casing, plug hammer, control valve, casing comprises that two with upper cavity, to arrange two in upper cavity, with top plug, hammer into shape for two, control valve is controlled liquid or gas, and two of liquid or gas-powered move back and forth with top plug hammer, and two drive two above impact head reciprocating impacts with top plug hammer, two become to arrange up and down and/or left and right layout with upper cavity, increase digging height or width.
4. multilayer impact head extractive equipment according to claim 3, is characterized in that: described plug hammer comprises that stopper rod, stopper rod one or both ends are provided with anti-tamper driver part structure.
5. multilayer impact head extractive equipment according to claim 2, is characterized in that: described driven wheel drives more than one travelling gear.
6. multilayer impact head extractive equipment according to claim 2, is characterized in that: described bent axle and/or central axis comprise two or more eccentric shafts.
7. multilayer impact head extractive equipment according to claim 2, is characterized in that: described travelling gear band nutating gear rotates, and each travelling gear drives crankshaft rotating, and more than one eccentric shaft is at least set on bent axle.
8. multilayer impact head extractive equipment according to claim 2, is characterized in that: described more than one bent axle is symmetrical arranged with respect to central axis or asymmetric setting.
9. multilayer impact head extractive equipment according to claim 2, is characterized in that: more than one eccentric shaft, eccentric shaft and rod hinge connection are set on described central axis.
10. multilayer impact head extractive equipment according to claim 6, is characterized in that: described eccentric shaft is arranged at travelling gear and/or the more than one sidepiece of driven wheel.
11. multilayer impact head extractive equipments according to claim 1, it is characterized in that: described dynamic impact problem device comprises guiding mechanism, guiding mechanism comprises suspend friction guiding mechanism or rolling friction guiding mechanism or sliding friction guiding mechanism, guiding mechanism comprises impact guide, guide support, guide way, guide support and casing split or split is connected or be integral type, arrange guide way between guide support and impact guide.
12. multilayer impact head extractive equipments according to claim 1, is characterized in that: two described impact heads are staggered front to back motion.
13. multilayer impact head extractive equipments according to claim 1, is characterized in that: the impact guide that is staggered front to back motion that two described impact heads are adjacent shares a guide way and saves space.
14. multilayer impact head extractive equipments according to claim 2, is characterized in that: a described connecting rod drives one or more impact head.
15. multilayer impact head extractive equipments according to claim 2, it is characterized in that: described connecting rod one or both ends are provided with anti-tamper driver part structure, anti-tamper driver part structure comprises rotation anti-tamper driver part structure or split anti-tamper driver part structure or buffering anti-tamper driver part structure, the reaction force that the impact head impact bed of material produces is applied in anti-tamper driver part structure, rotation anti-tamper driver part structure rotating decomposition impact reactive force or split anti-tamper driver part structure are decomposed impact reactive force by split shock isolation reaction force or buffering anti-tamper driver part structure by snubber, avoid impact reactive force to damage dynamic impact problem device.
16. multilayer impact head extractive equipments according to claim 15, is characterized in that: described rotation anti-tamper driver part structure comprises oscillating bearing or steering union joint or rzeppa joint or candan universal joint or bulb buckle-groove type or arc buckle-groove type.
17. multilayer impact head extractive equipments according to claim 11, is characterized in that: described guide way comprises suspension guide way or rolling guide body.
18. multilayer impact head extractive equipments according to claim 17, it is characterized in that: described rolling guide body comprises spherical rolling guide way or oval rolling guide body or dumb-bell shape rolling guide body or cylindrical rolling guide body or taper rolling guide body or annular rolling guide body or roller rolling guide body or platform shape post rolling guide body or platform shape ball rolling guide body or platform shape drum rolling guide body or flute profile drum rolling guide body or channel column rolling guide body or flute profile ball rolling guide body or flute profile roller rolling guide body or the oval rolling guide body of flute profile or tape spool rolling guide body or rolling guide body with holes or many ribs key rolling guide body or many ribs cover rolling guide body or rolls drum-shaped rolling guide way or ball rolling guide body or needle roller rolling guide body or rollers roll guide way or linear bearing rolling guide body or waist drum wheel rolling guide body or combined rolling guide way.
19. multilayer impact head extractive equipments according to claim 17, is characterized in that: described suspension guide way comprises suspension guide way or suspension gas guide way or suspension magnetic steering body.
20. multilayer impact head extractive equipments according to claim 1, is characterized in that: described a plurality of impact head alternately impinge materials, reduce the damage that a plurality of impact heads impact the reaction force impact power set of generation simultaneously.
21. multilayer impact head extractive equipments according to claim 2, is characterized in that: on described central axis and/or bent axle and/or connecting rod, be provided with lubricated fluid passage.
22. multilayer impact head extractive equipments according to claim 1, is characterized in that: described impact head comprises impact teeth, braces.
23. multilayer impact head extractive equipments according to claim 22, it is characterized in that: described impact teeth is arranged in stepped on braces, form staged impact head or taper impact head, the bed of material is impacted into stairstepping, crack structure and/or the intensity of the bed of material, staged impact head utilizes the bump of the stairstepping bed of material, reduces impact resistance, increase digging cuts dark, utilizes the stepped bed of material material to be adopted into the piece material granularity that is suitable for transportation and/or uses while impacting next time.
24. multilayer impact head extractive equipments according to claim 22, is characterized in that: water spraying mechanism and/or humidifier are set on described braces.
25. multilayer impact head extractive equipments according to claim 22, is characterized in that: described impact teeth comprises face tooth and/or blanking tooth clearly, and clear face tooth is cleared up into required form by the bed of material, is conducive to fuselage and passes through.
26. multilayer impact head extractive equipments according to claim 1, it is characterized in that: described multilayer impact head extractive equipment comprises fuselage, running part, dynamic impact problem device is arranged on fuselage, and running part drives fuselage walking, and fuselage drives the walking of dynamic impact problem device.
27. multilayer impact head extractive equipments according to claim 1, is characterized in that: described multilayer impact head extractive equipment comprises elevating mechanism, and elevating mechanism comprises vertical lifting mechanism or rocking arm or translation lifting mechanism.
28. multilayer impact head extractive equipments according to claim 1, is characterized in that: described multilayer impact head extractive equipment comprises rocking arm, and rocking arm one end is arranged on fuselage, and the other end of rocking arm is connected with dynamic impact problem device.
29. multilayer impact head extractive equipments according to claim 26, is characterized in that: described fuselage or running part comprise rotating disc, and rotating disc is arranged on the top front end of fuselage or is arranged on underbelly running part top.
30. multilayer impact head extractive equipments according to claim 27, it is characterized in that: described vertical lifting mechanism or rocking arm or dynamic impact problem device are arranged on rotating disc, rotating disc rotarily drives vertical lifting mechanism or rocking arm rotation, and vertical lifting mechanism or rocking arm drive the rotation of dynamic impact problem device.
31. multilayer impact head extractive equipments according to claim 27, is characterized in that: described vertical lifting mechanism or rocking arm or dynamic impact problem device are arranged on fuselage, and rotating disc drives fuselage rotation, and fuselage drives the rotation of dynamic impact problem device.
32. multilayer impact head extractive equipments according to claim 27, is characterized in that: described rocking arm comprises four connecting rod rocker arm bodies or single rocker arm body.
33. multilayer impact head extractive equipments according to claim 32, is characterized in that: described single rocker arm body comprises the single rocker arm body of rotation or flexible single rocker arm body or Telescopic rotating list rocker arm body or bending list rocker arm body.
34. multilayer impact head extractive equipments according to claim 1, is characterized in that: described impact head is formed the impact direction of multi-point support structure righting impact head by one or more impact guide support guide.
35. multilayer impact head extractive equipments according to claim 1, it is characterized in that: described impact head comprises Chong Wai layered material mechanism and/or Chong Nei layered material mechanism, the Chong Wai layered material Yu Chongnei of mechanism layered material mechanism is near arranging, Chong Wai layered material mechanism comprises the outer layered material tooth of punching, Chong Nei layered material mechanism comprises layered material tooth in punching, rush the shape of outer layered material tooth and/or be arranged with the outer layered material being beneficial to treating borrow layer and rush, rushing space between outer layered material tooth is conducive to flow out between space that Jiang Chongnei layered material mechanism rushes the material layered material tooth from rushing falling Huo Chongwai layered material mechanism and discharging Dong Jiangchongnei layered material mechanism is set rushes the material falling and discharge, the Chong Nei layered material Yu Chongwai of mechanism layered material mechanism matches to realize and impacts blanking discharge, make fuselage can pass through smoothly continuous borrow.
36. multilayer impact head extractive equipments according to claim 35, it is characterized in that: described Chong Wai layered material mechanism comprises the outer layered material tooth of punching, rush outer layered material toothholder, rush outer layered material protector, rush that outer layered material toothholder is connected with punching outer layered material tooth split or be integral type, Chong Nei layered material mechanism comprises layered material tooth in punching, layered material toothholder in punching, layered material protector in punching, the interior layered material toothholder of punching is connected with layered material tooth split in punching or is integral type, rush that outer layered material protector is connected with punching outer layered material toothholder split or be integral type, the interior layered material protector of punching is connected with layered material toothholder split in punching or is integral type, dynamic impact problem case drives Chong Wai layered material mechanism and/or Chong Nei layered material mechanism to move back and forth, rush outer layered material protector, in punching, between layered material protector and dynamic impact problem case, remain and partially overlap, prevent that material from entering in the outer layered material protector of punching and dynamic impact problem case and/or preventing that material from entering in the interior layered material protector of punching and dynamic impact problem case.
37. multilayer impact head extractive equipments according to claim 36, it is characterized in that: the described outer layered material protector that rushes comprises the outer layered material protected apron of punching, rush outer layered material protected apron layered material toothholder surrounding or local layout outside punching, in punching, layered material protector comprises layered material protected apron in punching, and in punching, layered material protected apron is along layered material toothholder surrounding in punching or local layout.
38. multilayer impact head extractive equipments according to claim 36, it is characterized in that: the described interior layered material protector that rushes moves back and forth with layered material toothholder in punching, rush outer layered material protector with the outer layered material toothholder reciprocating motion of punching, in punching, the outer layered material protected apron laminating of layered material protected apron and/or punching dynamic impact problem case reciprocating motion and sticking part are provided with anti-wear gap.
39. according to the multilayer impact head extractive equipment described in claim 37, it is characterized in that: the described interior layered material protected apron that rushes comprises layered material protected apron seal in punching, rush outer layered material protected apron and comprise the outer layered material protected apron seal of punching, in punching, the position of layered material protected apron seal and/or the outer layered material protected apron seal of punching is arranged on and the dynamic impact problem case end that overlaps all the time, dynamic impact problem case comprises dynamic impact problem case seal, and dynamic impact problem case seal is arranged on and rushes interior layered material protected apron and/or the outer layered material protected apron of the punching end that overlaps all the time.
40. according to the multilayer impact head extractive equipment described in claim 37, it is characterized in that: the described interior layered material protected apron that rushes is provided with seal with the interior layered material toothholder of punching joint portion, rushes outer layered material protected apron and is provided with seal with punching outer layered material toothholder joint portion.
41. multilayer impact head extractive equipments according to claim 2, it is characterized in that: described dynamic impact problem case comprises protected apron stroke groove, rush outer layered material protector and comprise the outer layered material protected apron of punching, in punching, layered material protector comprises layered material protected apron in punching, and in punching, layered material protected apron and/or the adjacent part of the outer layered material protected apron of punching move back and forth in protected apron stroke groove.
42. according to the multilayer impact head extractive equipment described in claim 41, it is characterized in that: in described protected apron stroke groove, be provided with elastic body.
43. according to the multilayer impact head extractive equipment described in claim 37, it is characterized in that: outer layered material protected apron free end is provided with elastic body and/or the interior layered material protected apron free end of punching is provided with elastic body in described rushing.
44. according to the multilayer impact head extractive equipment described in claim 42 or 43, it is characterized in that: described elastic body is shaken off ejection by elastic deformation by the material that in the outer layered material protected apron of punching and/or punching, layered material protected apron is brought into and/or the material of dropping in protected apron stroke groove.
45. according to the multilayer impact head extractive equipment described in claim 42 or 43, it is characterized in that: described elastic body absorbs the impact reactive force of Chong Wai layered material mechanism and/or Chong Nei layered material mechanism by elastic deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320264489.4U CN203531896U (en) | 2013-03-23 | 2013-05-10 | Multilayer impacting head excavation device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310118683.6 | 2013-03-23 | ||
| CN201310118683 | 2013-03-23 | ||
| CN201320264489.4U CN203531896U (en) | 2013-03-23 | 2013-05-10 | Multilayer impacting head excavation device |
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| Publication Number | Publication Date |
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| CN203531896U true CN203531896U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320264489.4U Expired - Fee Related CN203531896U (en) | 2013-03-23 | 2013-05-10 | Multilayer impacting head excavation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388475A (en) * | 2012-05-12 | 2013-11-13 | 刘素华 | Multilayer-impacting head small-resistance high-efficiency digging apparatus |
| WO2014180168A1 (en) * | 2013-05-10 | 2014-11-13 | Liu Suhua | Impacting device equipped with protective plate |
-
2013
- 2013-05-10 CN CN201320264489.4U patent/CN203531896U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388475A (en) * | 2012-05-12 | 2013-11-13 | 刘素华 | Multilayer-impacting head small-resistance high-efficiency digging apparatus |
| WO2014180168A1 (en) * | 2013-05-10 | 2014-11-13 | Liu Suhua | Impacting device equipped with protective plate |
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