CN203188260U - Multifunction anti-explosion scraper - Google Patents
Multifunction anti-explosion scraper Download PDFInfo
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- CN203188260U CN203188260U CN 201320182569 CN201320182569U CN203188260U CN 203188260 U CN203188260 U CN 203188260U CN 201320182569 CN201320182569 CN 201320182569 CN 201320182569 U CN201320182569 U CN 201320182569U CN 203188260 U CN203188260 U CN 203188260U
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- functional scraper
- scraper
- frame
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- 238000004880 explosion Methods 0.000 title abstract description 8
- 239000007858 starting material Substances 0.000 claims description 25
- 239000000843 powder Substances 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 14
- 239000000295 fuel oil Substances 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000005065 mining Methods 0.000 abstract description 7
- 230000007246 mechanism Effects 0.000 abstract description 5
- 239000003245 coal Substances 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 241000478345 Afer Species 0.000 description 1
- 206010020852 Hypertonia Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a multifunction anti-explosion scraper which comprises a front frame, a rear frame and an engine. The front frame and the rear frame are connected through a central articulated mechanism. The scraper further comprises a fire extinguishing system. The central articulated mechanism comprises an upper hinge frame and a lower hinge frame; the upper hinge frame and the lower hinge frame comprise a semicircular half block connected with the front frame and a semicircular half block connected with the rear frame respectively; the upper hinge frame and the lower hinge frame are connected through a tapered roller bearing and a hinge pin shaft. When working, the multifunction anti-explosion scraper can effectively ensure that a fire disaster is timely handled, and is suitable for the conditions that a mining roadway inland is narrow and poor in environment.
Description
Technical field
The utility model relates to auxiliary conveying equipments under the coal mine, more specifically, is a kind of explosion-proof multi-functional scraper.
Background technology
At present, assistant conveyance still adopts multistages such as puffer, battery locomotive to disperse the conventional transmission mode that falls behind under the most coal mine of China, have that the operation link is many, speed is slow, benefit is low, accident is many, problems such as maneuverability and adaptive capacity difference, the tradition means of transportation has become a weak link of restriction coal in China production development, on the other hand, from the sixties in 20th century, abroad take the lead under coal mine, using anti-explosion diesel engine railless free-wheeled vehicle, develop at present, railless free-wheeled vehicle is all used in the coal mining of advanced country in the world in a large number.
The nineties in last century, domestic part coal mining enterprise begins to adopt trackless rubber tire device assumes assistant conveyance, because the trackless rubber tire has outstanding advantages such as efficient, flexible, motor-driven, multipurpose and cost are low, it is firmly got the user and likes, and for improving the coal production ability and improving conevying efficiency and created condition.Explosion-proof multi-functional scraper is a kind of as railless free-wheeled vehicle, in coal mining, mainly bear work stone, broken coal cleaning, equipment, accessory and auxiliary material short distances such as (as water pipe, cable, instruments etc.) transportation, major functions such as the tunnel is evened out, finishing and road surfacing.
At present, the domestic supplier who possesses the exploitation of explosion-proof scraper and production capacity is few, the employed multifunctional anti-explosion fork lift truck of domestic exploitation mainly relies on complete system import, requirement of explosion proof because of domestic coal mining, but also have drawbacks such as expensive, accessory cycle is long, had a strong impact on the popularization of explosion-proof multi-functional scraper in exploiting at home.Under this background, market, domestic colliery has proposed an urgent demand and hope to the explosion-proof multi-functional scraper that exploitation, production are fit to domestic coal mining application.
Application number is 201110120266.6, denomination of invention discloses a kind of multi-functional scraper for the Chinese invention patent application of " multi-functional scraper ", primary structure is by driver's cabin, forebay, afer bay, the articulated section, front-wheel, trailing wheel, shovel fortune quick-changing mechanism, anti-explosion diesel engine, the exhaust-gas treatment case, water tank, gasholder, diesel fuel tanks, the Gas starter structure, radiator, instrument box, hydraulic oil container, air filter, gearbox, dump cylinder, lift cylinder, turn to oil cylinder to form, front and back wheel is solid rubber tire, shovel fortune quick-changing mechanism is the multiple equipment of quick change optionally, adopts the gas motor starting.The explosion-proof performance of this kind scraper and fire savety still remain to be improved.
The utility model content
The purpose of this utility model is the deficiency of existing multifunctional anti-explosion scraper is improved, thereby a kind of novel explosion-proof multi-functional scraper is provided.
For achieving the above object, explosion-proof multi-functional scraper of the present utility model comprises front frame, back vehicle frame and motor, and this front frame is connected by central linkwork with this back vehicle frame, and this scraper also comprises fire extinguishing system, wherein:
This central authorities' linkwork comprises body cradle and following body cradle, should go up body cradle and include one with following body cradle and breathe out not piece with this front frame with the semicircle that this back vehicle frame is connected respectively, and should on be connected with hinging pin shaft by taper roll bearing between body cradle and this time body cradle;
This fire extinguishing system comprises:
A plurality of starters are used for opening the pneumatic fire-extinguishing signal;
The one way valve that is connected with these a plurality of starters is used for transmitting this pneumatic fire-extinguishing signal;
The air starter that is connected with this one way valve and the powder extinguishing agent jar that is connected with this air starter, this air starter is used for providing driving gas to this powder extinguishing agent jar after receiving this pneumatic fire-extinguishing signal, this powder extinguishing agent jar is used for providing powder extinguishing agent to ignition point under the driving of this driving gas;
The shutdown controller that is connected with this one way valve is used for driving this engine shutdown when receiving this pneumatic fire-extinguishing signal.
Preferably, described air starter is connected with a safety valve.
Preferably, vehicle frame top, described back is provided with the driver's cabin of lateral arrangement.
Preferably, described front frame is provided with preceding vehicle bridge, and described back vehicle frame is provided with the back vehicle bridge, and described back vehicle bridge is the rocker structure.
Preferably, this explosion-proof multi-functional scraper also comprises transmission system, and this transmission system comprises hydraulic pressure-mechanical torque converter, gearbox and power transmission shaft, is used for the power of described motor output is transported to described preceding vehicle bridge and described back vehicle bridge.
Preferably, this explosion-proof multi-functional scraper also comprises brakes, and this brakes is multi-disk wet brake.
Preferably, this explosion-proof multi-functional scraper also comprises the illuminator that is arranged on described front frame and described back vehicle frame, and this illuminator comprises explosion-proof illuminating lamp and explosion-proof signal lamp.
Preferably, described motor is explosion-proof engine, the gas handling system of this explosion-proof engine is provided with gas handling system exhaust spark arrester and air shut off valve, the exhaust system of this explosion-proof engine is provided with exhaust system exhaust spark arrester and tail gas water washing chamber, this explosion-proof engine provides fuel by a fuel oil system, and this fuel oil system is provided with the fuel oil shut-off valve.
Preferably, described explosion-proof engine is provided with one for the automatic monitored control system that its operational factor is monitored.
Preferably, described front frame is provided with a lifting swing arm, and this lifting swing arm leading portion is hinged with the quick change locking device.
Explosion-proof multi-functional scraper of the present utility model because fire extinguishing system has been installed, is in time handled in the time of can effectively guaranteeing the condition of a fire to occur when operation, and is fit to situations such as domestic coal cutting roadway is narrow, environment is abominable; Adopt the high-power explosion-proof diesel engine as power source, safe and reliable motivational guarantee can be provided.
Description of drawings
Fig. 1 is the schematic perspective view of explosion-proof multi-functional scraper of the present utility model;
Fig. 2 is the vertical view of explosion-proof multi-functional scraper of the present utility model;
Fig. 3 is the front view of explosion-proof multi-functional scraper of the present utility model;
Fig. 4 is the schematic diagram of the central articulated structure of explosion-proof multi-functional scraper of the present utility model;
Fig. 5 is the systematic schematic diagram of the fire extinguishing system of explosion-proof multi-functional scraper of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, structure, operating principle and the characteristics of explosion-proof multi-functional scraper of the present utility model are elaborated.
In general, explosion-proof multi-functional scraper of the present utility model, on existing explosion-proof scraper basis, increased fire extinguishing system, thereby improved the fire resistance property of scraper in running, and a plurality of parts of this explosion-proof multi-functional scraper have also adopted the design of innovation, thereby have further strengthened Practical Performance and the security performance of scraper.
As shown in Figure 1, 2, 3, it is the structural representation of explosion-proof multi-functional scraper of the present utility model, routinely, explosion-proof multi-functional scraper 100 of the present utility model, comprise front frame 110, back vehicle frame 120, motor 130, front frame 110 is connected by central linkwork 140 with back vehicle frame 120, and especially, explosion-proof multi-functional scraper 100 of the present utility model comprises that also fire extinguishing system 150(is with reference to Fig. 5).Fire extinguishing system 150 can trigger when dangerous situation takes place, to eliminate the condition of a fire.
More specifically, as shown in Figure 4, central authorities' linkwork 140 comprises body cradle and following body cradle, should go up body cradle and following body cradle include one respectively with front frame 110 and after the semicircle that is connected of vehicle frame 120 breathe out not piece 141, and be somebody's turn to do upward and be connected with hinging pin shaft 143 by taper roll bearing 142 between the body cradle and this time body cradle.Breathe out not piece 141 by pulling down semicircle, can promptly front and back vehicle frame 110,120 be disassembled separation, thus reduced the maintenance stage separate before and after the difficulty of vehicle frame, also saved vehicle frames 110 before and after separating, 120 cost simultaneously.In addition, last body cradle is connected by taper roll bearing 142 with following body cradle, vehicle frame 110,120 rotation before and after can realizing.
As shown in Figure 5, be the systematic schematic diagram of the fire extinguishing system 150 of explosion-proof multi-functional scraper of the present utility model.By reference to the accompanying drawings, fire extinguishing system 150 comprises: a plurality of starter 151(starters 1, starter 2 ... starter n), be used for opening the pneumatic fire-extinguishing signal; The one way valve 152 that is connected with a plurality of starters 151 is used for transmitting this pneumatic fire-extinguishing signal; The air starter 153 that is connected with one way valve 152 and the powder extinguishing agent jar 154 that is connected with air starter 153, air starter 153 is used for providing driving gas to powder extinguishing agent jar 154 after receiving the pneumatic fire-extinguishing signal, powder extinguishing agent jar 154 is used for providing powder extinguishing agent to ignition point under the driving of driving gas; The shutdown controller 155 that is connected with one way valve 152 is used for when receiving this pneumatic fire-extinguishing signal, drives motor 130 and shuts down.
Preferably, air starter 153 also is connected with a safety valve 156.Safety valve 156 can be avoided air starter 153 hypertonia and cause potential safety hazard.
When machine in running during breaking out of fire; the staff can press the fire extinguishing system remote initiator 151 of closest approach; gas passes to air starter 153 through one way valve 152 with pressure in the starter 151; this pressure-driven punctures air impeller 153 sealings; thereby driving gas is transported to powder extinguishing agent jar 154, powder extinguishing agent is produced before being transported to the protection zone flow.Powder extinguishing agent jar 153 exit rupture disk annexes have stoped flowing of powder extinguishing agent, raise until powder extinguishing agent jar 154 pressure, after reaching certain pressure, break rear drive gas and powder fire extinguisher mixture of rupture disk flows to each control point of complete machine respectively by four-way connection and tee junction, so that ignition point is put out operation.
Further, in conjunction with Fig. 1,2,3, back vehicle frame 120 tops are provided with the driver's cabin 121 of lateral arrangement, and driver's cabin 121 is arranged in vehicle frame 120 tops behind the scraper, and lateral arrangement, guarantee fork lift truck so as far as possible before and after the operation visual field identical.With respect to cab forward of the prior art, driver's cabin 121 is arranged on the vehicle frame 120 of back, and the high-pressure hose and the electric wiring that at first can minimizing work turn to are relative simple with the braking maneuver layout to the control of diesel engine (as gas pedal etc.), instrument; Secondly, driver's cabin 121 postposition can provide the bigger space device (as oil cylinder, swing arm, scraper bowl etc.) of assigning a work for front frame 110, for the layout of each mechanism facilitates, have also strengthened the job stability of front frame system greatly.
With reference to accompanying drawing 2, front frame 110 is provided with preceding vehicle bridge 111 especially, and back vehicle frame 120 is provided with back vehicle bridge 122, and back vehicle bridge 122 is the rocker structure.In addition, explosion-proof multi-functional scraper of the present utility model also comprises transmission system, in conjunction with Fig. 2,3, this transmission system comprises hydraulic pressure-mechanical torque converter 161, gearbox 162 and power transmission shaft 163, gearbox 162 is connected with back vehicle bridge 122 with preceding vehicle bridge 111 by power transmission shaft 163, is used for the power of motor 130 outputs is transported to preceding vehicle bridge 111 and back vehicle bridge 122.Back vehicle bridge 122 adopts the rocker structure, has improved adaptive capacity and the handling capacity of scraper to uneven road surface, tunnel, has slackened ground simultaneously and has impacted in the face of scraper, and improved the stress form of body.Gearbox in the transmission system is Powershift transmission.Adopt fluid power-mechanical torque converter and dynamic power shift gear box, make scraper have starting steadily, handle light, the transmission system life-span long, the production efficiency advantages of higher.
Routinely, on front frame 110, preceding vehicle bridge 111 two ends are equipped with left and right sides tire 114, and dashboard 115 is equipped with on tire 114 tops in the left and right sides.Similarly, on the vehicle frame 120 of back, back vehicle bridge 122 two ends also are equipped with left and right sides tire 123, and dashboard 124 is equipped with on tire 123 tops in the left and right sides.
Explosion-proof multi-functional scraper also comprises brakes, and this brakes is multi-disk wet brake.Adopt multi-disk wet brake, avoided dry brake in braking procedure, to produce the phenomenon of spark, improved the safety that scraper is worked in Mine Dust, gas environment.Brake is normal on-position and is equipped with the brakes of stopping in emergency simultaneously, has increased scraper safety under steam.
This explosion-proof multi-functional scraper also comprises the illuminator that is arranged on described front frame and described back vehicle frame, and this illuminator comprises explosion-proof illuminating lamp 181 and explosion-proof signal lamp 182.Wherein explosion-proof illuminating lamp 181 adopts multi-thread control, can realize before and after the fork lift truck that illuminator high beam and dipped headlights are changed mutually in the driving process, and the operator can select suitable lamp type according to actual condition.Secondly, what be different from prior art is that the utility model has all increased explosion-proof signal lamp on the basis of original explosion-proof illuminating lamp before and after scraper, comprises two kinds of controls of left steering and right turn, has realized the warning function when scraper turns under the ore deposit.Than organic type, the utility model adopts illumination and turns to the combination of two kinds of lamp types, provides more comfortable, safer operating environment to the operator.
Motor 130 of the present utility model is explosion-proof engine, the gas handling system of this explosion-proof engine is provided with exhaust spark arrester and air shut off valve, the exhaust system of this explosion-proof engine is provided with exhaust spark arrester and tail gas water washing chamber, this explosion-proof engine provides fuel by a fuel oil system, and this fuel oil system is provided with the fuel oil shut-off valve.And preferably, explosion-proof engine is provided with one for the automatic monitored control system that its operational factor is monitored.
With reference to Fig. 2, front frame 110 is provided with a lifting swing arm 112, and these lifting swing arm 112 leading portions are hinged with quick change locking device (not shown).The quick change locking device is by HYDRAULIC CONTROL SYSTEM, in order to realize the exchange of scraper bowl (as scraper bowl 113 among Fig. 1-3) and shovel fork.But shovel fork (not shown) is arrangement, and it can enlarge the scope of application of scraper, reduces coal mining to the fund input of equipment, simultaneously, shovels fork and scraper bowl by quick-locking device, can improve the replacing speed of shovel fork and scraper bowl.
In sum, explosion-proof multi-functional scraper of the present utility model because fire extinguishing system has been installed, is in time handled in the time of can effectively guaranteeing the condition of a fire to occur when operation, and is fit to situations such as domestic coal cutting roadway is narrow, environment is abominable; Adopt the high-power explosion-proof diesel engine as power source, safe and reliable motivational guarantee can be provided.The utility model has enriched homemade colliery with the type of explosion-proof multi-functional scraper, for market, domestic colliery provides a kind of efficient, flexible, motor-driven explosion-proof scraper.
Claims (10)
1. an explosion-proof multi-functional scraper comprises front frame, back vehicle frame and motor, and this front frame is connected by central linkwork with this back vehicle frame, it is characterized in that: also comprise fire extinguishing system, wherein:
This central authorities' linkwork comprises body cradle and following body cradle, should go up body cradle and include one with following body cradle and breathe out not piece with this front frame with the semicircle that this back vehicle frame is connected respectively, and should on be connected with hinging pin shaft by taper roll bearing between body cradle and this time body cradle;
This fire extinguishing system comprises:
A plurality of starters are used for opening the pneumatic fire-extinguishing signal;
The one way valve that is connected with these a plurality of starters is used for transmitting this pneumatic fire-extinguishing signal;
The air starter that is connected with this one way valve and the powder extinguishing agent jar that is connected with this air starter, this air starter is used for providing driving gas to this powder extinguishing agent jar after receiving this pneumatic fire-extinguishing signal, this powder extinguishing agent jar is used for providing powder extinguishing agent to ignition point under the driving of this driving gas;
The shutdown controller that is connected with this one way valve is used for driving this engine shutdown when receiving this pneumatic fire-extinguishing signal.
2. explosion-proof multi-functional scraper according to claim 1 is characterized in that, described air starter is connected with a safety valve.
3. explosion-proof multi-functional scraper according to claim 1 is characterized in that, vehicle frame top, described back is provided with the driver's cabin of lateral arrangement.
4. explosion-proof multi-functional scraper according to claim 1 is characterized in that described front frame is provided with preceding vehicle bridge, and described back vehicle frame is provided with the back vehicle bridge, and described back vehicle bridge is the rocker structure.
5. explosion-proof multi-functional scraper according to claim 4, it is characterized in that, this explosion-proof multi-functional scraper also comprises transmission system, this transmission system comprises hydraulic pressure-mechanical torque converter, gearbox and power transmission shaft, is used for the power of described motor output is transported to described preceding vehicle bridge and described back vehicle bridge.
6. explosion-proof multi-functional scraper according to claim 1 is characterized in that, this explosion-proof multi-functional scraper also comprises brakes, and this brakes is multi-disk wet brake.
7. explosion-proof multi-functional scraper according to claim 1 is characterized in that, this explosion-proof multi-functional scraper also comprises the illuminator that is arranged on described front frame and described back vehicle frame, and this illuminator comprises explosion-proof illuminating lamp and explosion-proof signal lamp.
8. explosion-proof multi-functional scraper according to claim 1, it is characterized in that, described motor is explosion-proof engine, the gas handling system of this explosion-proof engine is provided with gas handling system exhaust spark arrester and air shut off valve, the exhaust system of this explosion-proof engine is provided with exhaust system exhaust spark arrester and tail gas water washing chamber, this explosion-proof engine provides fuel by a fuel oil system, and this fuel oil system is provided with the fuel oil shut-off valve.
9. explosion-proof multi-functional scraper according to claim 8 is characterized in that, described explosion-proof engine is provided with one for the automatic monitored control system that its operational factor is monitored.
10. explosion-proof multi-functional scraper according to claim 1 is characterized in that, described front frame is provided with a lifting swing arm, and this lifting swing arm leading portion is hinged with the quick change locking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320182569 CN203188260U (en) | 2013-04-12 | 2013-04-12 | Multifunction anti-explosion scraper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320182569 CN203188260U (en) | 2013-04-12 | 2013-04-12 | Multifunction anti-explosion scraper |
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| CN203188260U true CN203188260U (en) | 2013-09-11 |
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| CN 201320182569 Expired - Lifetime CN203188260U (en) | 2013-04-12 | 2013-04-12 | Multifunction anti-explosion scraper |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669459A (en) * | 2013-12-10 | 2014-03-26 | 阿特拉斯科普柯(南京)建筑矿山设备有限公司 | Anti-explosion carry-scraper and start method thereof |
| CN105971044A (en) * | 2016-05-13 | 2016-09-28 | 中国煤炭科工集团太原研究院有限公司 | Coal mine underground multifunctional fork lift truck with storage battery |
| WO2016183999A1 (en) * | 2015-05-15 | 2016-11-24 | 张锡进 | Multifunctional firefighting and rescue engineering vehicle |
| CN108635698A (en) * | 2018-06-19 | 2018-10-12 | 山东黄金集团烟台设计研究工程有限公司 | A kind of scraper automatic fire protection system |
-
2013
- 2013-04-12 CN CN 201320182569 patent/CN203188260U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669459A (en) * | 2013-12-10 | 2014-03-26 | 阿特拉斯科普柯(南京)建筑矿山设备有限公司 | Anti-explosion carry-scraper and start method thereof |
| CN103669459B (en) * | 2013-12-10 | 2015-11-18 | 阿特拉斯科普柯(南京)建筑矿山设备有限公司 | Explosion-proof scraper and starting method thereof |
| WO2016183999A1 (en) * | 2015-05-15 | 2016-11-24 | 张锡进 | Multifunctional firefighting and rescue engineering vehicle |
| CN105971044A (en) * | 2016-05-13 | 2016-09-28 | 中国煤炭科工集团太原研究院有限公司 | Coal mine underground multifunctional fork lift truck with storage battery |
| CN108635698A (en) * | 2018-06-19 | 2018-10-12 | 山东黄金集团烟台设计研究工程有限公司 | A kind of scraper automatic fire protection system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 210038 Hengtai Road, Nanjing economic and Technological Development Zone, Nanjing, Jiangsu 2 Patentee after: ANBAITUO (NANJING) CONSTRUCTION MINING EQUIPMENT Co.,Ltd. Address before: 210038 2 Hengtai Road, Nanjing economic and Technological Development Zone, Jiangsu Patentee before: ATLAS COPCO (NANJING) CONSTRUCTION AND MINING EQUIPMENT Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |
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| CX01 | Expiry of patent term |