CN103599838B - Suspension-type slewing and luffing device of self-moving crushing equipment for mining - Google Patents
Suspension-type slewing and luffing device of self-moving crushing equipment for mining Download PDFInfo
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- CN103599838B CN103599838B CN201310626206.0A CN201310626206A CN103599838B CN 103599838 B CN103599838 B CN 103599838B CN 201310626206 A CN201310626206 A CN 201310626206A CN 103599838 B CN103599838 B CN 103599838B
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Abstract
The invention discloses a suspension-type slewing and luffing device of self-moving crushing equipment for mining. The suspension-type slewing and luffing device mainly comprises a slewing unit and a luffing unit. The suspension-type slewing and luffing device is characterized in that all suspension-type slewing luffing device assemblies but a slewing driving device are hung and connected to a lower part of a cantilever of an equipment frame only by an outer tooth-type slewing bearing and all loads of all the suspension-type slewing luffing device assemblies but the slewing driving device are born by the only suspension connection; a hanging rack of the luffing unit is an n-shaped rigid structure composed of a flange and two side arms; hydraulic cylinders are located at two sides of a material discharge arm; and two end hinge joint points of each one of the hydraulic cylinders are located below a lower plane of the cantilever of the equipment frame. The suspension-type slewing and luffing device has a simple and compact structure. Through use of the suspension-type slewing and luffing device, the self-moving crushing equipment has a simple integral structure, light weight, a low gravity center and good stability.
Description
Technical field
The present invention relates to a kind of revolution luffing device of mining self-shifting disintegrating apparatus, particularly a kind of suspension type revolution luffing device of mining self-shifting disintegrating apparatus.
Background technology
Mining self-shifting disintegrating apparatus is a kind of that bulk materials is broken, and by the mass transport after fragmentation to the mine crushing equipment of subsequent delivery equipment, it is primarily of hopper, charging gear, breaker, revolution luffing device, running gear, equipment rack composition, other parts link together by equipment rack, the bulk materials loading hopper flows to breaker by charging gear and is broken into fritter, and the material after fragmentation is delivered to subsequent delivery equipment by turning round luffing device.In order to realize turning round the off-take point displacement of luffing device more flexibly, more accurate with subsequent delivery equipment interconnection, need the revolution luffing device of mining self-shifting disintegrating apparatus should have the revolute function in certain angle in the horizontal plane and the luffing function on vertical plane in certain angle.The version of revolution luffing device is larger on mining self-shifting disintegrating apparatus overall structure, size and the impact of carrying support body stress condition.
In prior art, revolution luffing device more employing suspended structure form, as austrian patent AT388 968(B), concrete structure is shown in accompanying drawing 10, its discharge conveying device storage end is connected with suspension arrangement, suspension arrangement is connected with equipment support body by bottom slewing equipment, is connected in the middle part of discharge conveying device by hydraulic luffing device and top slew gear with equipment support body.The slew gear that this structure must have upper and lower two places coaxial, could realize the revolution luffing function of discharge conveying device.Because top slew gear is positioned at the top of disintegrating apparatus, bottom slew gear is positioned at the below of disintegrating apparatus, cause equipment support body must have upper and lower two cantilevers across disintegrating apparatus or arrange one higher than frameworks a lot of above disintegrating apparatus, could upper and lower slew gear be connected on equipment support body, cause the revolution luffing device huge structure of this kind of form and complicated, equipment frame body structure is also very complicated, and appearance and size is comparatively large, and upper and lower two places revolution also not easily realizes synchronous.In order to make upper and lower two places revolution realize synchronous, prior art also useful one very high and upper and lower slew gear links together by the C shape leading truck of complexity, this will make revolution luffing device structure huger and complicated.Whole set equipment position of centre of gravity is high, poor stability.Therefore, the suspension type revolution luffing device developing a kind of mining self-shifting disintegrating apparatus simple and compact for structure is new problem urgently to be resolved hurrily always.
Summary of the invention
The object of this invention is to provide a kind of suspension type simple and compact for structure revolution luffing device, solve in prior art and turn round the baroque problem of luffing device.What make the equipment rack of automatic moving type disintegrating apparatus (i.e. equipment support body) structure also can design is very simple simultaneously, and equipment rack appearance and size significantly reduces.
The object of the present invention is achieved like this: a kind of suspension type revolution luffing device (H) of mining self-shifting disintegrating apparatus, comprise device for revolving and driving (1), external tooth type pivoting support (2), first bolt (3), second bolt (4), hang suspension bracket (5), hydraulic cylinder (6), first bearing pin (7), second bearing pin (8), 3rd bearing pin (9), discharge arm (10), for realize in mining self-shifting disintegrating apparatus wherein discharge arm (10) in the horizontal plane in certain angle revolution and on vertical plane luffing in certain angle, described suspension type revolution luffing device (H) is made up of turning unit and luffing unit two parts, wherein turning unit is primarily of device for revolving and driving (1), external tooth type pivoting support (2) forms, luffing unit is primarily of suspension suspension bracket (5), hydraulic cylinder (6), the compositions such as discharge arm (10), the external tooth type pivoting support (2) of described turning unit is primarily of inner ring and can form relative to the pivotal external toothing of described inner ring, the inner ring of external tooth type pivoting support (2) is fixedly mounted on the cantilever of equipment rack (J), device for revolving and driving (1) is arranged on the both sides of the cantilever of equipment rack (J), the output pinion of device for revolving and driving (1) is meshed with the external toothing of external tooth type pivoting support (2), device for revolving and driving (1) turns round relative to equipment rack (J) around the centre of gyration line (K) of external tooth type pivoting support by driving the external toothing of external tooth type pivoting support (2), other assemblies of revolution luffing device except device for revolving and driving (1) hang by means of only the inner ring of described external tooth type pivoting support (2) below being connected to the cantilever of equipment rack (J) with the first bolt (3), this unique suspension connects all load of other assemblies of the revolution luffing device of carrying except device for revolving and driving (1), described suspension suspension bracket (5) is the rigid structure be made up of a ring flange and two side arms, two side arms wherein hanging suspension bracket (5) are respectively by hanging the both sides of ring flange of suspension bracket (5) to downward-extension, two side arms and ring flange is made to form n shape rigid structure, described side arm is for substantially to become inverted leg-of-mutton shape, and the top of two side arms respectively has one first to sell ear, the bottom hanging suspension bracket (5) two side arms is hinged with the both sides of the storage end of discharge arm (10) by the first bearing pin (7), the the first pin ear hanging two side arm tops of suspension bracket (5) is hinged by the second bearing pin (8) and hydraulic cylinder (6) one end, it is hinged by the 3rd bearing pin (9) that hydraulic cylinder (6) other end and be positioned at both sides, discharge arm (10) middle part second sell ear, done luffing moved by the flexible discharge arm (10) that realizes being positioned at two hydraulic cylinders (6) of discharge arm (10) both sides around the axis of the first bearing pin (7) and horizontal axis (L), the ring flange hanging suspension bracket (5) is connected with the second bolt (4) with the external toothing of external tooth type pivoting support (2), and realization suspension suspension bracket (5) drives the luffing unit such as discharge arm (10) to do gyration relative to equipment rack (J) with the revolution of the external toothing of external tooth type pivoting support (2), two pin joints at described hydraulic cylinder (6) two ends are all positioned under the lower plane of the cantilever of equipment rack (J).
Main points of the present invention are that other assemblies of revolution luffing device except device for revolving and driving (1) hang by means of only the inner ring the first bolt (3) of described external tooth type pivoting support (2) below being connected to the cantilever of equipment rack (J), and this unique suspension connects all load of other assemblies of the revolution luffing device of carrying except device for revolving and driving (1).
To be connected to the below of the cantilever of equipment rack with the first hung bolt by means of only the inner ring of described external tooth type pivoting support due to other assemblies of the suspension type revolution luffing device of the present invention except device for revolving and driving, this unique suspension connects all load of other assemblies of the suspension type revolution luffing device of carrying except device for revolving and driving, as long as make equipment rack simply design a cantilever.This cantilever can realize supporting disintegrating apparatus and two functions at underhung suspension type revolution luffing device up simultaneously, and it is more simple and reliable that equipment rack height can significantly reduce structure.Upper and lower two-layer slew gear need not be had as existing known technology, due to the double-deck cantilever crossing over disintegrating apparatus must be designed on equipment rack, or the framework designing a leap disintegrating apparatus complexity just can install lower two-layer slew gear, normally works to make revolution luffing device.
Because hydraulic cylinder is positioned at the both sides of discharge arm, the the second pin ear being positioned at both sides in the middle part of discharge arm can design in position on the lower side, the both sides of discharge arm, suspension type revolution luffing device can ensure that in limited height hydraulic cylinder has enough flexible stroke, makes suspension type turn round luffing device and can meet revolution and luffing functional requirement simultaneously in less altitude range.
Two side arms hanging suspension bracket, respectively by hanging the both sides of ring flange of suspension bracket to downward-extension, make two side arms and ring flange form n shape rigid structure, and structure simply, to take height space little.
Described external tooth type pivoting support has another name called turntable bearing.
The revolution luffing device designed thus compared with prior art, owing to only having equipment rack (i.e. equipment support body) bottom one place slew gear, equipment rack does not have two-layer cantilever, also the framework of a leap disintegrating apparatus complexity need not be designed, what the equipment rack of automatic moving type disintegrating apparatus (i.e. equipment support body) structure can be designed is very simple, appearance and size significantly reduces, and significantly reduces in the height direction, and structure is more simply compact.Simple equipment rack reduces equipment complete machine height and position of centre of gravity, improves the stability of whole set equipment.Revolution luffing device height significantly reduces, and structure is very simply compact.Thus the complete machine weight of mining self-shifting disintegrating apparatus can be reduced.Need not owing to there being upper and lower two place's slew gears as existing known technology, need that design one is very high and upper and lower slew gear links together by the C shape leading truck of complexity, synchronous to ensure upper and lower slew gear.Also as another scheme of known technology, luffing device can not be turned round owing to not having C shape leading truck produce the asynchronous problem of upper and lower slew gear when turning round.
The suspension suspension bracket ring flange of n shape structure is hollow circular ring shape, material after breaker fragmentation above the cantilever being positioned at equipment rack and can hang suspension bracket and fall on discharge arm through the cantilever of the equipment rack of hollow, and is delivered to subsequent delivery equipment through discharge arm.Hanging suspension bracket is main load-carrying member, and it is by the first bearing pin, all load of the second bearing pin carrying discharge arm.
Device for revolving and driving is arranged on the both sides of the cantilever of equipment rack, the inner ring of external tooth type pivoting support is connected with equipment rack, the external toothing of external tooth type pivoting support is connected with suspension suspension bracket, device for revolving and driving drives external tooth type pivoting support external toothing to rotate, drive luffing whole units such as hanging suspension bracket, discharge arm, hydraulic cylinder to rotate relative to equipment rack, realize the revolute function of whole revolution luffing device.
A kind of suspension type revolution luffing device of mining self-shifting disintegrating apparatus compared with prior art, has following advantage: the equipment rack structural design of automatic moving type disintegrating apparatus is very simple, appearance and size significantly reduces; Revolution luffing device hangs suspension bracket by means of only n shape and is connected suspension with external tooth type pivoting support and is arranged on equipment rack, does not have the very high and C shape leading truck of complexity, and there will not be has two places to turn round to cause nonsynchronous problem; Simple equipment rack reduces equipment complete machine height and position of centre of gravity, improves the stability of whole set equipment; Revolution luffing device height significantly reduces, and structure is very simply compact; Reduce the complete machine weight etc. of mining self-shifting disintegrating apparatus.
Below in conjunction with drawings and Examples, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of suspension type of the present invention revolution luffing device;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 1, and the annexation of external tooth type pivoting support and dependency structure is mainly shown in figure;
Fig. 4 is the B-B sectional view of Fig. 1, schematically illustrates the annexation hanging suspension bracket and dependency structure in figure;
Fig. 5 is the C-C sectional view of Fig. 1, and the annexation hanging suspension bracket and hydraulic cylinder is mainly shown in figure;
Fig. 6 is the D-D sectional view of Fig. 1, and the annexation of discharge arm and hydraulic cylinder is mainly shown in figure;
Fig. 7 is the 3 dimensional drawing hanging suspension bracket;
Fig. 8 is mining self-shifting disintegrating apparatus complete machine structure schematic diagram, the disintegrating apparatus of mining self-shifting shown in figure complete machine main composition parts and the suspension type of the present invention revolution position of luffing device in complete machine;
Fig. 9 is the top view of Fig. 8;
Figure 10 is austrian patent AT388 968(B) structural representation.
Detailed description of the invention
With reference to accompanying drawing, as can be seen from Fig. 1-Fig. 4, a kind of suspension type revolution luffing device H of mining self-shifting disintegrating apparatus, comprise device for revolving and driving 1, external tooth type pivoting support 2, first bolt 3, second bolt 4, hang suspension bracket 5, hydraulic cylinder 6, first bearing pin 7, second bearing pin 8, 3rd bearing pin 9, discharge arm 10, for realize in mining self-shifting disintegrating apparatus wherein discharge arm 10 in the horizontal plane in certain angle revolution and on vertical plane luffing in certain angle, described suspension type revolution luffing device H is made up of turning unit and luffing unit two parts, wherein turning unit is primarily of device for revolving and driving 1, external tooth type pivoting support 2 forms, luffing unit is primarily of suspension suspension bracket 5, hydraulic cylinder 6, composition such as discharge arm 10 grade, the external tooth type pivoting support 2 of described turning unit is primarily of inner ring and can form relative to the pivotal external toothing of described inner ring, the inner ring of external tooth type pivoting support 2 is fixedly mounted on the cantilever of equipment rack J, device for revolving and driving 1 is arranged on the both sides of the cantilever of equipment rack J, the output pinion of device for revolving and driving 1 is meshed with the external toothing of external tooth type pivoting support 2, device for revolving and driving 1 turns round (by Fig. 3 relative to equipment rack J around the centre of gyration line K of external tooth type pivoting support by driving the external toothing of external tooth type pivoting support 2, shown in Fig. 4), other assemblies of revolution luffing device except device for revolving and driving 1 hang by means of only the inner ring of described external tooth type pivoting support 2 below being connected to the cantilever of equipment rack J with the first bolt 3, this unique suspension connects all load of other assemblies of the revolution luffing device of carrying except device for revolving and driving 1 (by Fig. 3, shown in Fig. 4).Described suspension suspension bracket 5 is the rigid structure be made up of a ring flange and two side arms, wherein hang two side arms of suspension bracket 5 respectively by hanging the both sides of ring flange of suspension bracket 5 to downward-extension, two side arms and ring flange is made to form n shape rigid structure, described side arm is for substantially to become inverted leg-of-mutton shape, and the top of two side arms respectively has one first to sell ear (as shown in Figure 7); The bottom hanging suspension bracket 5 two side arms is hinged with the both sides of the storage end of discharge arm 10 by the first bearing pin 7, hang the first pin ear on two side arm tops of suspension bracket 5 by the second bearing pin 8 and hydraulic cylinder 6 one end hinged (shown in Fig. 1, Fig. 5), hydraulic cylinder 6 other end be positioned at second of both sides in the middle part of discharge arm 10 and sell ear by the 3rd bearing pin 9 hinged (shown in Fig. 1, Fig. 6), do luffing around the axis of the first bearing pin 7 and horizontal axis L move by the flexible discharge arm 10 that realizes being positioned at two hydraulic cylinders 6 of discharge arm 10 both sides; Hang the ring flange of suspension bracket 5 to be connected (as shown in Figure 3) with the external toothing of external tooth type pivoting support 2 second bolt 4, realization suspension suspension bracket 5 drives unit such as luffing such as discharge arm 10 grade to do gyration relative to equipment rack J with the revolution of the external toothing of external tooth type pivoting support 2; Under the lower plane that two pin joints at described hydraulic cylinder 6 two ends are all positioned at the cantilever of equipment rack J (shown in Fig. 1, Fig. 2, Fig. 8).
With reference to Fig. 8, Fig. 9, Fig. 1-Fig. 4, it is a kind of that bulk materials is broken for applying mining self-shifting disintegrating apparatus of the present invention, and by the mass transport after fragmentation to the mine crushing equipment of subsequent delivery equipment, can find out in Fig. 8, Fig. 9, it forms primarily of hopper E, charging gear F, breaker G, suspension type revolution luffing device H, running gear I, equipment rack J, the bulk materials loading hopper flows to breaker by charging gear and is broken into fritter, and the material after fragmentation turns round luffing device H by suspension type and is delivered to subsequent delivery equipment.Suspension type of the present invention revolution luffing device H can make wherein discharge arm 10 in the horizontal plane in certain angle around the centre of gyration line K of external tooth type pivoting support turn round and on vertical plane in certain angle around horizontal axis L luffing, the off-take point realizing discharge arm 10 afterbody docks with subsequent delivery equipment accurate and flexible.
As can be seen from Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 8, Fig. 9, described hydraulic cylinder 6 is positioned at the both sides of discharge arm 10; Two pin joints (i.e. the position of the second bearing pin 8, the 3rd bearing pin 9) at described hydraulic cylinder 6 two ends are all positioned under the lower plane of the cantilever of equipment rack J.
As can be seen from Fig. 1, Fig. 2, because hydraulic cylinder 6 is positioned at the both sides of discharge arm 10, the the second pin ear being positioned at both sides in the middle part of discharge arm 10 can design in position on the lower side, the both sides of discharge arm 10, suspension type revolution luffing device H can ensure that in limited height hydraulic cylinder 6 has enough flexible stroke, makes suspension type turn round luffing device H and can meet revolution and luffing functional requirement simultaneously in less altitude range.
As seen from Figure 7, two side arms hanging suspension bracket 5, respectively by hanging the both sides of ring flange of suspension bracket to downward-extension, make two side arms and ring flange form n shape rigid structure, and structure simply, to take height space little.Described side arm is for substantially to become inverted leg-of-mutton shape, and the top of two side arms respectively has one first to sell ear, and the bottom of two side arms respectively has one for connecting the pin-and-hole of the first bearing pin 7.
As can be seen from Fig. 1, Fig. 2, Fig. 3, Fig. 4, the core component of suspension type revolution luffing device H is for hanging suspension bracket 5, also be main load parts in suspension type revolution luffing device H, the ring flange hanging suspension bracket 5 is connected with the external toothing of external tooth type pivoting support, and by the inner ring of pivoting support, the load such as suspension suspension bracket 5, discharge arm 10, hydraulic cylinder 6 is reached equipment rack J.
As can be seen from Fig. 1, Fig. 2, Fig. 3, Fig. 4, the ring flange of the suspension suspension bracket 5 of n shape structure is hollow circular ring shape, material after breaker G fragmentation above the cantilever being positioned at equipment rack J and can hang suspension bracket 5 and fall on discharge arm 10 through the cantilever of the equipment rack J of hollow, and is delivered to subsequent delivery equipment through discharge arm.Hanging suspension bracket 5 is main load-carrying member, and it carries all load of discharge arm 10 by the first bearing pin 7, second bearing pin 8.
As can be seen from Fig. 1, Fig. 3, Fig. 4, Fig. 8, because other assemblies of the suspension type revolution luffing device except device for revolving and driving 1 are connected to the below of the cantilever of equipment rack J by means of only the inner ring of described external tooth type pivoting support 2 with the first bolt 3 suspension, this unique suspension connects all load of other assemblies of the suspension type revolution luffing device H of carrying except device for revolving and driving 1, as long as make equipment rack J simply design a cantilever.This cantilever can realize supporting disintegrating apparatus G and two functions at underhung suspension type revolution luffing device H up simultaneously, and equipment rack J height can significantly reduce, structure is more simple and reliable.Need not as existing known technology, due to the double-deck cantilever crossing over disintegrating apparatus must be designed on equipment rack, or design the framework of a leap disintegrating apparatus complexity, just can install lower two-layer slew gear, normally work to make revolution luffing device.
As can be seen from Fig. 1, Fig. 2, because hydraulic cylinder 6 is positioned at the both sides of discharge arm 10, the the second pin ear being positioned at both sides in the middle part of discharge arm 10 can design in position on the lower side, the both sides of discharge arm 10, suspension type revolution luffing device H can ensure that in limited height hydraulic cylinder 6 has enough flexible stroke, makes suspension type turn round luffing device H and can meet revolution and luffing functional requirement simultaneously in less altitude range.
Mainly illustrate in Fig. 5 and hang suspension bracket 5 by the annexation of the second bearing pin 8 with hydraulic cylinder 6.
Mainly illustrate in Fig. 6 that the second pin ear of both sides in the middle part of discharge arm 10 is by the annexation of the 3rd bearing pin 9 with hydraulic cylinder 6.
Figure 10 is austrian patent AT388 968(B) structural representation, object be for convenience of describe and understand background technology.
Claims (1)
1. suspension type revolution luffing device (H) of a mining self-shifting disintegrating apparatus, comprise device for revolving and driving (1), external tooth type pivoting support (2), first bolt (3), second bolt (4), hang suspension bracket (5), hydraulic cylinder (6), first bearing pin (7), second bearing pin (8), 3rd bearing pin (9), discharge arm (10), for realize in mining self-shifting disintegrating apparatus wherein discharge arm (10) in the horizontal plane in certain angle revolution and on vertical plane luffing in certain angle, described suspension type revolution luffing device (H) is made up of turning unit and luffing unit two parts, wherein turning unit is primarily of device for revolving and driving (1), external tooth type pivoting support (2) forms, luffing unit is primarily of suspension suspension bracket (5), hydraulic cylinder (6), discharge arm (10) forms, the external tooth type pivoting support (2) of described turning unit is primarily of inner ring and can form relative to the pivotal external toothing of described inner ring, the inner ring of external tooth type pivoting support (2) is fixedly mounted on the cantilever of equipment rack (J), device for revolving and driving (1) is arranged on the both sides of the cantilever of equipment rack (J), the output pinion of device for revolving and driving (1) is meshed with the external toothing of external tooth type pivoting support (2), device for revolving and driving (1) turns round relative to equipment rack (J) around the centre of gyration line (K) of external tooth type pivoting support by driving the external toothing of external tooth type pivoting support (2), it is characterized in that: other assemblies of the revolution luffing device except device for revolving and driving (1) hang by means of only the inner ring the first bolt (3) of described external tooth type pivoting support (2) below being connected to the cantilever of equipment rack (J), this unique suspension connects all load of other assemblies of the revolution luffing device of carrying except device for revolving and driving (1), described suspension suspension bracket (5) is the rigid structure be made up of a ring flange and two side arms, two side arms wherein hanging suspension bracket (5) are respectively by hanging the both sides of ring flange of suspension bracket (5) to downward-extension, two side arms and ring flange is made to form n shape rigid structure, described side arm is for substantially to become inverted leg-of-mutton shape, and the top of two side arms respectively has one first to sell ear, the bottom hanging suspension bracket (5) two side arms is hinged with the both sides of the storage end of discharge arm (10) by the first bearing pin (7), the the first pin ear hanging two side arm tops of suspension bracket (5) is hinged by the second bearing pin (8) and hydraulic cylinder (6) one end, it is hinged by the 3rd bearing pin (9) that hydraulic cylinder (6) other end and be positioned at both sides, discharge arm (10) middle part second sell ear, done luffing moved by the flexible discharge arm (10) that realizes being positioned at two hydraulic cylinders (6) of discharge arm (10) both sides around the axis of the first bearing pin (7) and horizontal axis (L), the ring flange hanging suspension bracket (5) is connected with the second bolt (4) with the external toothing of external tooth type pivoting support (2), realizes hanging suspension bracket (5) and does gyration with revolution drive discharge arm (10) of the external toothing of external tooth type pivoting support (2) relative to equipment rack (J), two pin joints at described hydraulic cylinder (6) two ends are all positioned under the lower plane of the cantilever of equipment rack (J).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310626206.0A CN103599838B (en) | 2013-12-02 | 2013-12-02 | Suspension-type slewing and luffing device of self-moving crushing equipment for mining |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310626206.0A CN103599838B (en) | 2013-12-02 | 2013-12-02 | Suspension-type slewing and luffing device of self-moving crushing equipment for mining |
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| CN103599838A CN103599838A (en) | 2014-02-26 |
| CN103599838B true CN103599838B (en) | 2015-06-17 |
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| CN201310626206.0A Active CN103599838B (en) | 2013-12-02 | 2013-12-02 | Suspension-type slewing and luffing device of self-moving crushing equipment for mining |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3272559A (en) * | 1965-06-21 | 1966-09-13 | Louis E Haynes | Pavement cutting and earth excavating device |
| DE2208907B2 (en) * | 1972-02-25 | 1974-03-21 | Georg V. Dr.-Ing. 3001 Kraehenwinkel Braunschweig | Extraction device for removing layers of earth in open-cast mining |
| CN101328810A (en) * | 2007-06-20 | 2008-12-24 | 维特根有限公司 | Self-propelled machine for cutting or milling |
| CN101839135A (en) * | 2009-03-20 | 2010-09-22 | 维特根有限公司 | Mining machinery, and the method that in mining machinery, removes and install transfer equipment |
| CN102357394A (en) * | 2011-10-24 | 2012-02-22 | 北方重工集团有限公司 | Slewing stop device of crushing apparatus |
| CN102357393A (en) * | 2011-10-24 | 2012-02-22 | 北方重工集团有限公司 | Revolution suspension device for mine crushing equipment |
-
2013
- 2013-12-02 CN CN201310626206.0A patent/CN103599838B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3272559A (en) * | 1965-06-21 | 1966-09-13 | Louis E Haynes | Pavement cutting and earth excavating device |
| DE2208907B2 (en) * | 1972-02-25 | 1974-03-21 | Georg V. Dr.-Ing. 3001 Kraehenwinkel Braunschweig | Extraction device for removing layers of earth in open-cast mining |
| CN101328810A (en) * | 2007-06-20 | 2008-12-24 | 维特根有限公司 | Self-propelled machine for cutting or milling |
| CN101839135A (en) * | 2009-03-20 | 2010-09-22 | 维特根有限公司 | Mining machinery, and the method that in mining machinery, removes and install transfer equipment |
| CN102357394A (en) * | 2011-10-24 | 2012-02-22 | 北方重工集团有限公司 | Slewing stop device of crushing apparatus |
| CN102357393A (en) * | 2011-10-24 | 2012-02-22 | 北方重工集团有限公司 | Revolution suspension device for mine crushing equipment |
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| Publication number | Publication date |
|---|---|
| CN103599838A (en) | 2014-02-26 |
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