CN101392651A - Multifunction downhole bottom ripping machine - Google Patents
Multifunction downhole bottom ripping machine Download PDFInfo
- Publication number
- CN101392651A CN101392651A CNA2008101948133A CN200810194813A CN101392651A CN 101392651 A CN101392651 A CN 101392651A CN A2008101948133 A CNA2008101948133 A CN A2008101948133A CN 200810194813 A CN200810194813 A CN 200810194813A CN 101392651 A CN101392651 A CN 101392651A
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- CN
- China
- Prior art keywords
- cylinder
- rotationally connected
- arm
- big arm
- oil
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
- E21D9/1013—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/01—Methods or apparatus for enlarging or restoring the cross-section of tunnels, e.g. by restoring the floor to its original level
Abstract
The invention discloses a multi-functional underground dinting machine. The head part of a digging arm of the multi-functional underground dinting machine is connected with an operating head, while the tail part is provided with a support (2), a revolving device is arranged between the digging arm and a worktable, one end of a small arm (4) is rotationally connected with the operating head, while the other end is connected with a movable arm (5), a movable arm oil cylinder (6) is arranged above the small arm (4) and is communicated with an oil inlet pipe (10) and an oil return pipe (11) through a connecting pipe I(8) and an oil channel control valve (9) of an operating device, one end of a large arm (3) is rotationally connected with the movable arm (5), while the other end is rotationally connected with the revolving device, a large arm oil cylinder I(14) and a large arm oil cylinder II(15) are arranged above the large arm (3), and the large arm oil cylinder I(14) is communicated with the oil inlet pipe (10) and the oil return pipe (11) sequentially through a connecting pipe II(16), the large arm oil cylinder II(15) and the oil channel control valve (9) of the operating device.
Description
Technical field
The present invention relates to a kind of multifunction downhole bottom ripping machine.
Background technology
Coal-face runs into seat earth when soft, along with the propelling of work plane need artificial planted agent be kept height of tunnel, even under the operate as normal, elevating conveyor and conveyor below also often need labor cleaning's float coal, keep ordinary production, worker's labour intensity is big, the wide variety of materials accessory is is all loaded and unloaded by artificial Chain block at present in process of production, the rising root and need descend canopy or play cathead of Chain block, not only workload is big, efficient is low, waste material, main is manually below rising root point job safety hidden danger big.When comprehensive taking and placing working face equipment is installed, before and after chute installation, unload at present also by artificial Chain block lift by crane, contraposition, work plane is cut eye and is needed to beat a 200-300 cathead altogether, the canopy of also need leaving office when running into top board condition difference is strengthened safeguarding, exist manual labor big equally, efficient is low, and waste is serious and have a potential safety hazard.
Summary of the invention
The invention provides a kind of multifunction downhole bottom ripping machine, it is applied range not only, and adaptive capacity is strong.
The present invention has adopted following technical scheme: a kind of multifunction downhole bottom ripping machine; It comprises body part and executing agency; Body part comprises workbench; Drive unit; Running gear and fuel tank; Drive unit and running gear are for being in transmission connection; Workbench is connected with running gear by the chassis that running gear top is provided with; The front portion of workbench is connected with executing agency; Described executing agency comprises digging arm and operating head; The head of digging arm is connected with operating head; Afterbody is provided with bearing; Between digging arm and workbench, be provided with slewing equipment; Digging arm comprises big arm; Forearm and swing arm; One end of forearm and operating head are for being rotationally connected; The other end is connected with swing arm; Above forearm, be provided with boom cylinder; The telescopic end of boom cylinder by connecting rod and operating head for being rotationally connected; Link and moving block are for being rotationally connected; Boom cylinder is communicated with oil inlet pipe and oil return pipe by the oil passage control valve of tube connector I and manipulation device; One end and the swing arm of big arm are rotationally connected; The other end and slewing equipment are for being rotationally connected; Above big arm, be provided with big arm cylinder I and big arm cylinder II; The telescopic end of big arm cylinder I and moving block are for being rotationally connected; Link and big arm are for being rotationally connected; The telescopic end of big arm cylinder II is rotationally connected with big arm; Link and bearing are for being rotationally connected, and big arm cylinder I is successively by tube connector II; The oil passage control valve of big arm cylinder II and manipulation device is communicated with oil inlet pipe and oil return pipe.
Described operating head is bucket, quartering hammer or suspension hook.Described slewing equipment comprises casing, bottom at casing is provided with rotating seat, one side of rotating seat is connected with supporting seat, be connected with pivoting support on the supporting seat, pivoting support is connected with the bearing of digging arm, is provided with support at the opposite side of rotating seat, and support and rotating seat are fixed on the workbench, in casing, be provided with horizontal torsion device and vertical torsion device, horizontal torsion device and vertical torsion device by pivoting support and digging arm for being rotationally connected.
Described running gear is provided with assembling steel crawler belt, in assembling steel crawler belt, be provided with guide wheel, tensioning hydro-cylinder, thrust wheel, running motor from front to back successively, guide wheel is supported by tensioning hydro-cylinder, and an end of tensioning hydro-cylinder is connected with guide wheel, and the other end is provided with the oiling one way valve.Described front portion at running gear is provided with the dozer device, the dozer device is between two assembling steel crawler belts, the dozer device comprises connecting rod and shovel body, one end of connecting rod and shovel body are for being rotationally connected, the shovel body is identical with the width of excavator, and the other end and chassis are provided with the dozer bearing for being rotationally connected, and are provided with the soil-shifting oil cylinder above connecting rod, the flexible end of soil-shifting oil cylinder is connected with the shovel body, and the cylinder support that link and chassis are provided with is for being rotationally connected.Described oil passage control valve is set to manual multiple-way valve, and a side of manual multiple-way valve is provided with joystick, all is provided with choke valve between manual multiple-way valve and tube connector II and tube connector I.The top of described fuel tank is provided with air filter and is connected with oil return pipe.
The present invention has following beneficial effect: digging arm of the present invention can be realized large-scale rotation, the maximum magnitude that big arm rotates can reach 180 degree; the maximum magnitude that forearm rotates can reach 180 degree; the actuating range of operating head can reach 180 degree; so not only can satisfy the labor operation of small space, and can safe ready when underground work mini-plant is moved and carries.Operating head of the present invention can change quartering hammer and suspension hook into, and quartering hammer can carry out fragmentation reparation to hard base plate, can carry out supporting to the tunnel of down-hole behind the replacing fork pawl, and range of application is wider like this, and adaptive capacity is strong.Slewing equipment of the present invention is provided with horizontal torsion device and vertical torsion device, so not only can carry out vertical dredge operation, but also can be formed on level the bottom of equipment is cleaned, and the torque of transmission simultaneously is big.Crawler belt of the present invention is provided with the dozer device, and it can be cleared up or to the place under repair of irregular tunnel, the dozer device is provided with the soil-shifting oil cylinder ground, can realize shoveling the rise or the whereabouts of body like this, to adapt to different work requirements.Manipulation device of the present invention is provided with manual multiple-way valve, it not only can guarantee the uniformity that two running motors are worked simultaneously, can also guarantee that each oil cylinder when the heavy wool cylinder is worked simultaneously has independence very, between manual multiple-way valve and tube connector II and tube connector I, all be provided with choke valve, can regulate oil mass as required like this.Running gear of the present invention is provided with assembling steel crawler belt, in crawler belt, be provided with guide wheel from front to back successively, tensioning hydro-cylinder, thrust wheel, running motor, guide wheel is supported by tensioning hydro-cylinder, one end of tensioning hydro-cylinder is connected with guide wheel, the other end is provided with the oiling one way valve, assembling steel crawler belt has good wear resistance and functional reliability, be arranged with thrust wheel with ground contacting part, security and stability in the time of can guaranteeing to travel like this, guide wheel is supported by tensioning hydro-cylinder, can make running gear keep constant pre-tensioning like this, to adapt to the demand on different road surfaces always.The top of fuel tank of the present invention is provided with air filter and is connected with oil return pipe, can guarantee the cleannes of system's fluid like this.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the structural representation of executing agency of the present invention
Fig. 3 is dregs's structure schematic diagram of slewing equipment of the present invention
Fig. 4 is the structural representation of manipulation device of the present invention
The specific embodiment
In Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present invention is
Plant multifunction downhole bottom ripping machine, it comprises car body part and executing agency, and the body portions branch comprises workbench, drive unit 1
Running gear and fuel tank 12; The top of fuel tank is provided with air filter and is connected with oil return pipe 11; Workbench is provided with ceiling 35; Step plate 36 and end stool 37; The running gear view has assembled steel crawler belt 22; In assembled steel crawler belt 22, be provided with successively from front to back guide wheel 23; Tensioning hydro-cylinder 24; Thrust wheel 25; Running motor 26 guide wheels 23 rice steamer tensioning hydro-cylinders 24 support; One end of tensioning hydro-cylinder 24 is connected with guide wheel 23; The other end is provided with oiling check valve 27; Drive unit 13 and running gear are for being in transmission connection; Workbench is connected with running gear by the chassis 1 that running gear top is provided with; The front portion of workbench is connected with executing agency; Executing agency comprises digging arm and operating head; Operating head is bucket 17; Quartering hammer or suspension hook; The head of digging arm is connected with operating head; Afterbody is provided with bearing 2; Between digging arm and workbench, be provided with slewing equipment; Slewing equipment comprises casing 18; Be provided with rotating seat 19 in the bottom of casing 18; One side of rotating seat 19 is connected with supporting seat 20; Be connected with pivoting support 21 on the supporting seat 20; Pivoting support 21 is connected with the bearing 2 of digging arm; Opposite side at rotating seat 19 is provided with support 22; Support 22 and rotating seat 19 are fixed on the workbench; At casing 18 horizontal torsion device and vertical torsion device are arranged; Horizontal torsion device and vertical torsion device by pivoting support 21 and digging arm for being rotationally connected; Digging arm comprises big arm 3; Forearm 4 and swing arm 5; One end of forearm 4 and operating head are for being rotationally connected; The other end is connected with swing arm 5; Above forearm 4, be provided with boom cylinder 6; The telescopic end of boom cylinder 6 by connecting rod 7 and operating head for being rotationally connected; Link and moving block 5 are for being rotationally connected; Boom cylinder 6 is communicated with oil inlet pipe 10 and oil return pipe 11 by the oil passage control valve 9 of tube connector I 8 and manipulation device; Oil passage control valve 9 is set to manual multiple-way valve; One side of manual multiple-way valve is provided with joystick 33; Between manual multiple-way valve and tube connector II 16 and tube connector I 8, all be provided with choke valve 34; One end and the swing arm 5 of big arm 3 are rotationally connected; The other end and slewing equipment are for being rotationally connected; Above big arm 3, be provided with big arm cylinder I 14 and big arm cylinder II 15; The telescopic end of big arm cylinder I 14 and moving block 5 are for being rotationally connected; Link and big arm 3 are for being rotationally connected; The telescopic end of big arm cylinder II 15 is rotationally connected with big arm 3; Link and bearing 2 are for being rotationally connected; Big arm cylinder I 14 is successively by tube connector II 16; The oil passage control valve 9 of big arm cylinder II15 and manipulation device is communicated with oil inlet pipe 10 and oil return pipe 11; Front portion at running gear is provided with dozer blade device; Dozer blade device is between two assembled steel crawler belts 22; Dozer blade device comprises connecting rod 28 and shovel body 29; One end of connecting rod 28 and shovel body 29 are for being rotationally connected; Shovel body 29 is identical with the width of excavator; The other end and chassis 1 are provided with dozer bearing 30 for being rotationally connected; Above connecting rod 28, be provided with soil-shifting oil cylinder 31; The telescopic end of soil-shifting oil cylinder 31 is connected with shovel body 29, and the cylinder support 32 that link and chassis 1 are provided with is for being rotationally connected.
Claims (7)
1; A kind of multifunction downhole bottom ripping machine; It comprises body part and executing agency; Body part comprises workbench; Drive unit (13); Running gear and fuel tank (12); Drive unit (13) and running gear are for being in transmission connection; The chassis that workbench is provided with by running gear top (1) is connected with running gear; The front portion of workbench is connected with executing agency; It is characterized in that described executing agency comprises digging arm and operating head; The head of digging arm is connected with operating head; Afterbody is provided with bearing (2); Between digging arm and workbench, be provided with slewing equipment; Digging arm comprises big arm (3); Forearm (4) and swing arm (5); One end of forearm (4) and operating head are for being rotationally connected; The other end is connected with swing arm (5); Be provided with boom cylinder (6) in the top of forearm (4); The telescopic end of boom cylinder (6) by connecting rod (7) and operating head for being rotationally connected; Link and moving block (5) are for being rotationally connected; Boom cylinder (6) is communicated with oil inlet pipe (10) and oil return pipe (11) by the oil passage control valve (9) of tube connector I (8) and manipulation device; One end and the swing arm (5) of big arm (3) are rotationally connected; The other end and slewing equipment are for being rotationally connected; Top at big arm (3) is provided with big arm cylinder I (14) and big arm cylinder II (15); The telescopic end of big arm cylinder I (14) and moving block (5) are for being rotationally connected; Link and big arm (3) are for being rotationally connected; The telescopic end of big arm cylinder II (15) is rotationally connected with big arm (3); Link and bearing (2) are for being rotationally connected, and big arm cylinder I (14) is successively by tube connector II (16); The oil passage control valve (9) of big arm cylinder II (15) and manipulation device is communicated with oil inlet pipe (10) and oil return pipe (11).
2, multifunction downhole bottom ripping machine according to claim 1 is characterized in that described operating head is bucket (17), quartering hammer or suspension hook.
3, multifunction downhole bottom ripping machine according to claim 1, it is characterized in that described slewing equipment comprises casing (18), be provided with rotating seat (19) in the bottom of casing (18), one side of rotating seat (19) is connected with supporting seat (20), be connected with pivoting support (21) on the supporting seat (20), pivoting support (21) is connected with the bearing (2) of digging arm, opposite side at rotating seat (19) is provided with support (22), support (22) and rotating seat (19) are fixed on the workbench, in casing (18), be provided with horizontal torsion device and vertical torsion device, horizontal torsion device and vertical torsion device by pivoting support (21) and digging arm for being rotationally connected.
4, multifunction downhole bottom ripping machine according to claim 1, it is characterized in that described running gear is provided with assembling steel crawler belt (38), in assembling steel crawler belt (38), be provided with guide wheel (23), tensioning hydro-cylinder (24), thrust wheel (25), running motor (26) from front to back successively, guide wheel (23) is supported by tensioning hydro-cylinder (24), one end of tensioning hydro-cylinder (24) is connected with guide wheel (23), and the other end is provided with oiling one way valve (27).
5, multifunction downhole bottom ripping machine according to claim 4, it is characterized in that described front portion at running gear is provided with the dozer device, the dozer device is positioned between the two assembling steel crawler belts (38), the dozer device comprises connecting rod (28) and shovel body (29), one end of connecting rod (28) and shovel body (29) are for being rotationally connected, shovel body (29) is identical with the width of excavator, the other end and chassis (1) are provided with dozer bearing (30) for being rotationally connected, be provided with soil-shifting oil cylinder (31) in the top of connecting rod (28), the flexible end of soil-shifting oil cylinder (31) is connected with shovel body (29), and the cylinder support (32) that link and chassis (1) is provided with is for being rotationally connected.
6, multifunction downhole bottom ripping machine according to claim 1, it is characterized in that described oil passage control valve (9) is set to manual multiple-way valve, one side of manual multiple-way valve is provided with joystick (33), all is provided with choke valve (34) between manual multiple-way valve and tube connector II (16) and tube connector I (8).
7, multifunction downhole bottom ripping machine according to claim 1, the top that it is characterized in that described fuel tank is provided with air filter and is connected with oil return pipe (11).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101948133A CN101392651B (en) | 2008-11-10 | 2008-11-10 | Multifunction downhole bottom ripping machine |
| PCT/CN2009/000181 WO2010051673A1 (en) | 2008-11-10 | 2009-02-23 | A multi-functional underground dinting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101948133A CN101392651B (en) | 2008-11-10 | 2008-11-10 | Multifunction downhole bottom ripping machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101392651A true CN101392651A (en) | 2009-03-25 |
| CN101392651B CN101392651B (en) | 2010-10-13 |
Family
ID=40493141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101948133A Expired - Fee Related CN101392651B (en) | 2008-11-10 | 2008-11-10 | Multifunction downhole bottom ripping machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101392651B (en) |
| WO (1) | WO2010051673A1 (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906791A (en) * | 2010-08-11 | 2010-12-08 | 许世东 | Intelligent crushing and loading roadway repairer |
| CN101906790A (en) * | 2010-08-11 | 2010-12-08 | 许世东 | Intelligent crushing and loading roadway repairing machine |
| CN101914928A (en) * | 2010-08-11 | 2010-12-15 | 许世东 | Intelligent crushing and loading roadway repairing machine |
| CN101929173A (en) * | 2010-08-11 | 2010-12-29 | 许世东 | Repairer for broken loading roadway |
| WO2012019325A1 (en) * | 2010-08-11 | 2012-02-16 | Xu Shidong | Intelligent tunnel repair machine for crushing and loading |
| CN102808623A (en) * | 2012-08-17 | 2012-12-05 | 廊坊景隆重工机械有限公司 | Coal mine underground multipurpose vehicle |
| CN103071576A (en) * | 2013-01-04 | 2013-05-01 | 张家口宣化华泰矿冶机械有限公司 | Operating mechanism for breakage of mine roadway |
| CN103256055A (en) * | 2013-05-11 | 2013-08-21 | 山西东华机械有限公司 | Bearing type rotary table for bottom cleaning machine |
| CN103802901A (en) * | 2014-02-19 | 2014-05-21 | 洛阳理工学院 | Crawler type excavator capable of detecting tensioning degree of crawler |
| CN104452843A (en) * | 2013-09-13 | 2015-03-25 | 重庆茂松农业机械制造有限责任公司 | Multipurpose small wheel type excavator |
| CN104632233A (en) * | 2014-12-13 | 2015-05-20 | 中国煤炭科工集团太原研究院有限公司 | Mechanical repair technology of distortional roadway and roadway repair machine |
| CN105464389A (en) * | 2015-12-15 | 2016-04-06 | 安徽紫来建设集团有限公司 | Manual carrying device used for construction equipment |
| CN105484746A (en) * | 2015-12-23 | 2016-04-13 | 林州重机集团股份有限公司 | Roadway opening heading machine |
| CN111022069A (en) * | 2019-12-26 | 2020-04-17 | 中联重科股份有限公司 | Cantilever type tunneling device and tunneling machine |
| CN111794153A (en) * | 2020-06-22 | 2020-10-20 | 中国十七冶集团有限公司 | Device for cleaning rock foundation pit ground |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030002A (en) * | 2019-05-06 | 2019-07-19 | 上海科煤机电设备制造有限公司 | A kind of laneway repair machine with Water Cutting function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2933766C2 (en) * | 1979-08-21 | 1982-08-12 | Mannesmann AG, 4000 Düsseldorf | Partial section tunneling machine |
| JPS58531A (en) * | 1981-06-20 | 1983-01-05 | Hitachi Constr Mach Co Ltd | Power shovel |
| JPS60159229A (en) * | 1984-01-28 | 1985-08-20 | Hikoma Seisakusho Kk | Excavator |
| DE102005006981A1 (en) * | 2005-02-14 | 2006-12-14 | HAUSALIT Maschinenbau u. Oberflächenschutz GmbH | Deep mine tracked vehicle excavator has tracked vehicle chassis and moving arm with quick-change tool fitting |
| CN200968178Y (en) * | 2006-11-20 | 2007-10-31 | 广东省第二农机厂 | Multifunctional rock boring machine |
-
2008
- 2008-11-10 CN CN2008101948133A patent/CN101392651B/en not_active Expired - Fee Related
-
2009
- 2009-02-23 WO PCT/CN2009/000181 patent/WO2010051673A1/en active Application Filing
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906791A (en) * | 2010-08-11 | 2010-12-08 | 许世东 | Intelligent crushing and loading roadway repairer |
| CN101906790A (en) * | 2010-08-11 | 2010-12-08 | 许世东 | Intelligent crushing and loading roadway repairing machine |
| CN101914928A (en) * | 2010-08-11 | 2010-12-15 | 许世东 | Intelligent crushing and loading roadway repairing machine |
| CN101929173A (en) * | 2010-08-11 | 2010-12-29 | 许世东 | Repairer for broken loading roadway |
| WO2012019325A1 (en) * | 2010-08-11 | 2012-02-16 | Xu Shidong | Intelligent tunnel repair machine for crushing and loading |
| CN101906790B (en) * | 2010-08-11 | 2013-03-13 | 许世东 | Intelligent crushing and loading roadway repairing machine |
| CN102808623A (en) * | 2012-08-17 | 2012-12-05 | 廊坊景隆重工机械有限公司 | Coal mine underground multipurpose vehicle |
| CN103071576B (en) * | 2013-01-04 | 2014-10-29 | 张家口宣化华泰矿冶机械有限公司 | Operating mechanism for breakage of mine roadway |
| CN103071576A (en) * | 2013-01-04 | 2013-05-01 | 张家口宣化华泰矿冶机械有限公司 | Operating mechanism for breakage of mine roadway |
| CN103256055A (en) * | 2013-05-11 | 2013-08-21 | 山西东华机械有限公司 | Bearing type rotary table for bottom cleaning machine |
| CN103256055B (en) * | 2013-05-11 | 2015-07-01 | 山西东华机械有限公司 | Bearing type rotary table for bottom cleaning machine |
| CN104452843A (en) * | 2013-09-13 | 2015-03-25 | 重庆茂松农业机械制造有限责任公司 | Multipurpose small wheel type excavator |
| CN104452843B (en) * | 2013-09-13 | 2017-04-05 | 重庆茂松农业机械制造有限责任公司 | A kind of Multifunctional small size wheel excavator |
| CN103802901A (en) * | 2014-02-19 | 2014-05-21 | 洛阳理工学院 | Crawler type excavator capable of detecting tensioning degree of crawler |
| CN103802901B (en) * | 2014-02-19 | 2016-08-24 | 洛阳理工学院 | A kind of crawler-mounted excavator that can detect crawler tensioning degree |
| CN104632233A (en) * | 2014-12-13 | 2015-05-20 | 中国煤炭科工集团太原研究院有限公司 | Mechanical repair technology of distortional roadway and roadway repair machine |
| CN105464389A (en) * | 2015-12-15 | 2016-04-06 | 安徽紫来建设集团有限公司 | Manual carrying device used for construction equipment |
| CN105484746A (en) * | 2015-12-23 | 2016-04-13 | 林州重机集团股份有限公司 | Roadway opening heading machine |
| CN111022069A (en) * | 2019-12-26 | 2020-04-17 | 中联重科股份有限公司 | Cantilever type tunneling device and tunneling machine |
| CN111794153A (en) * | 2020-06-22 | 2020-10-20 | 中国十七冶集团有限公司 | Device for cleaning rock foundation pit ground |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101392651B (en) | 2010-10-13 |
| WO2010051673A1 (en) | 2010-05-14 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Taizhou Xingdong Coal Mining Machinery Co., Ltd. Assignor: Xu Shidong Contract record no.: 2011320000720 Denomination of invention: Multifunction downhole bottom ripping machine Granted publication date: 20101013 License type: Exclusive License Open date: 20090325 Record date: 20110516 |
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| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU XINGDONG COOL MINING MACHINERY CO., LTD. Free format text: FORMER OWNER: XU SHIDONG Effective date: 20110609 |
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Free format text: CORRECT: ADDRESS; FROM: 225321 NO. 1, EAST END OF YUANDA ROAD, KOUAN INDUSTRIAL PARK, GAOGANG DISTRICT, TAIZHOU CITY, JIANGSU PROVINCE TO: 225321 NO. 18, YUANDONG AVENUE, KOUAN INDUSTRIAL PARK, GAOGANG DISTRICT, TAIZHOU CITY |
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Effective date of registration: 20110609 Address after: 225321, No. 18, Far East Avenue, Taizhou Port Industrial Park Patentee after: Taizhou Xingdong Coal Mining Machinery Co., Ltd. Address before: 225321 Taizhou, Zhejiang Province, high port Port Industrial Park, Far East Road, No. 1, No. 1 Patentee before: Xu Shidong |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20191110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |