CN2871633Y - Walk cased beamed bridge erecting apparatus - Google Patents
Walk cased beamed bridge erecting apparatus Download PDFInfo
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- CN2871633Y CN2871633Y CN 200520098024 CN200520098024U CN2871633Y CN 2871633 Y CN2871633 Y CN 2871633Y CN 200520098024 CN200520098024 CN 200520098024 CN 200520098024 U CN200520098024 U CN 200520098024U CN 2871633 Y CN2871633 Y CN 2871633Y
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Abstract
The utility model discloses a crawler box beam bridge train, relating to a piece of special construction equipment for erecting large box beam in railway construction projects. The construction of the utility model is characterized in that a 1st column 1, a 2nd column 4 and a 3rd column 8 supporting the bridge train arm 3 are arranged respectively at the front, middle and end of the bridge train arm 3 and connected respectively with the hydraulic system 2 of the 1st column, hydraulic system 5 of the 2nd column and hydraulic system 9 of the 3rd column; and crab crane 6 is arranged above the bridge train arm 3 and connected with hydraulic system 7 for crab crane. The utility model has a good performance of the complete machine: safe, easy and reliable construction, high efficiency, and easy maintenance, flexible and wide range of application. The bridge train is mainly used for erecting box beams at the level of 900 tons of high-speed railway and passenger-only lines, and suitable for erecting double track box beams of equal span for 32m, 24m and 20m and variable span box beams with any combination of spans thereof.
Description
Technical field
The utility model relates to the special construction apparatus that sets up the large-scale box type beam in a kind of railway construction engineering, be mainly used in 900 tonnes of box beam erections in high-speed railway, the Line for Passenger Transportation, can set up 32 meters, 24 meters, 20 meters two-wires etc. stride the case beam and wherein arbitrarily the change of span combination stride the case beam.
Background technology
Recently, China starts the construction of the new upsurge of railway construction, particularly high-speed railway, Line for Passenger Transportation.Estimating that country will invest 2,000,000,000,000 RMB within the next two decades is used for railway construction, thereby fortune frame, installation apparatus are had huge demand; Tonnage, automaticity, maintaining, security reliability, complete machine performance to lifting are also had higher requirement.In China, the railway bridge erecting machine of existing various types, various tonnages can be divided into T beam and box beam bridge formation machine two big classes.Maximum crane capacity is 600 tons.From structural shape, can be divided into step type, following nose girder formula, integration of transporting and building formula and assembling type bridge-errecting machine.
Develop a cover and be applied to 900 tonnes of box beam erections in high-speed railway, the Line for Passenger Transportation, can set up 32 meters, 24 meters, 20 meters two-wires etc. stride the case beam and wherein arbitrarily the change of span combination stride the case beam, and the automaticity height, the complete machine performance is good, construction safety reliable, on-site maintenance easy maintenance, good environmental protection, equipment economical and practical, that efficient is high are particularly necessary.
The utility model content
The purpose of this utility model is exactly at above-mentioned present situation, and a kind of walking box beam bridge formation machine (being called for short the bridge formation machine) is provided.This bridge formation machine is that a kind of being applied to set up 900 tonnes of case beams in high-speed railway, the Line for Passenger Transportation, and automaticity height, complete machine performance are good, construction safety is reliable, on-site maintenance easy maintenance, good environmental protection, economical and practical, special equipment that efficient is high.
The purpose of this utility model is achieved in that
As Fig. 1, the utility model is made up of post 1, post hydraulic system 2, horn 3, No. two posts 4, No. two post hydraulic systems 5, trolley 6, trolley hydraulic system 7, No. three posts 8, No. three post hydraulic systems 9;
Its position and annexation are: the front end below horn 3, middle part, afterbody are respectively arranged with the post 1 that supports horn 3, No. two posts 4, No. three posts 8; Post 1, No. two posts 4 and No. three posts 8 are connected with No. three post hydraulic systems 9 with post hydraulic system 2, No. two post hydraulic systems 5 respectively; Be provided with trolley 6 above support horn 3, trolley 6 is connected with trolley hydraulic system 7;
No. two posts 4, No. three posts 8 are fixedlyed connected with horn 3, and post 1 and horn 3 are for fixedly to be hinged.
The traveling wheels of No. two posts 4 and the traveling wheels of No. three posts 8 are formed the walking system, realize the complete machine traveling.
Operating principle of the present utility model is:
Lifting beam machine dress beam, rubber-tyred Beam transportation vehicle fortune beam is to the utility model afterbody feeding beam; The utility model lifting is dilatory gets beam, strides a hole and sets a roof beam in place, and the walking via hole can set up that 32m, 24m, 20m two-wire etc. are striden the case beam and beam is striden in change.The relative horns of No. two posts of the utility model 4, No. three posts 83 are fixing, by the bearing position of a post 1 of conversion, can adapt to setting up of high-speed railway bridge unequal span case beam.Trolley 6 is positioned at when getting beam near No. two posts 4, takes the dilatory mode of lifting to get beam.The utility model adopts hydraulic-driven rubber-tyred walking vertical shift by integrated design, and trolley 6 liftings are dilatory gets beam, strides the operating type of setting a roof beam in place in a hole; Less important work is few, and labor strength is low, and the theory speed of setting a roof beam in place is 3 hours/hole; After the utility model was got beam, Beam transportation vehicle can withdraw from, and set a roof beam in place, transported the beam operation and carry out synchronously, improved efficiency of construction.The utility model both had been fit to the bridge construction of growing up, and also was fit to medium and small bridge construction, and it is easy that mistake is striden operation, can set up easily to become and stride beam bridge, and the building site is shifted and packed by Beam transportation vehicle.Do not need to carry out entrucking, unload, carry out the building site rapidly and shift by crane gear; The utility model can set up 20m, 24m, 32m etc. stride Liang Jibian and stride beam, and can conveniently set up the first hole and the last Kong Liang of a bridge.
The utility model adopts rubber-tyred hydraulic-driven stride via hole system first, does not need to lay the vertical shift track, and less important work is few, and the workman hangs down labour intensity; The via hole operation is simple and direct, safe and reliable.
Trolley 6 of the present utility model adopts recessed formula structure first.
The utility model puts into production, is about to be used for the construction of Line for Passenger Transportation, has following main feature:
1, the complete machine performance is good;
2, construction safety, convenience, reliable, the efficient height, maintaining is convenient;
3, maneuverability, applied widely.
Description of drawings
Fig. 1-the utility model structural representation;
A Fig. 2-rod structure schematic diagram;
The holding state schematic diagram of Fig. 3-No. one post when the case beam of the non-last hole of frame;
The holding state schematic diagram of Fig. 4-No. one post when the case beam of hole, frame end;
No. two rod structure front views of Fig. 5 A-;
No. two rod structure left views of Fig. 5 B-;
No. three rod structure front views of Fig. 6 A-;
No. three rod structure left views of Fig. 6 B-;
The narrow formula of No. three posts of Fig. 7 A-supports schematic diagram;
The wide formula of No. three posts of Fig. 7 B-supports schematic diagram;
No. three post travelings of Fig. 8 A-tire turns to schematic diagram;
No. three posts of Fig. 8 B-hang the balancer schematic diagram;
Fig. 9-horn structural representation;
Figure 10 A-trolley structural front view;
Figure 10 B-trolley structure left view.
Wherein:
Post of 1-;
101-hangs running gear; The basic post of 102-; The 103-fold mechanism;
104-folds post; The 105-telescopic mast;
Post hydraulic system of 2-;
The 3-horn;
301-first crossbeam; The 302-girder; 3021-trolley walking rails;
3022-trolley guide rail; A post traveling of 3023-ear beam; 303-second crossbeam;
No. two posts of 4-;
The 401-door frame; 402-door frame lower transverse beam; 403-hydraulic lifting supporting leg;
No. two post hydraulic systems of 5-;
The 6-trolley;
The 601-running truck; The 602-running mechanism; The big vehicle frame of 603-;
The 604-hoisting mechanism; The traversing chassis of 605-; The 606-balancer;
The 6011-bogie frame; 6012-traveling weight movement device; The 6041-hoist engine that hoists;
The 6042-rope winding jib; 6043-fixed pulley group; The 6044-running block;
The 607-Traverse Displacement Unit;
7-trolley hydraulic system;
No. three posts of 8-;
The 801-lifting column; The 802-fold mechanism; The 803-running mechanism;
804-hydraulic suspension balancer;
The 8041-telescopic arm; The 8042-support arm; The 8043-connecting rod;
805-steering mechanism;
No. three post hydraulic systems of 9-.
The specific embodiment
Describe in detail below in conjunction with accompanying drawing.
1, post 1
As Fig. 2, Fig. 3, Fig. 4, No. one post 1 is made up of the suspension traveling wheels 101 that are arranged in order from top to bottom and are connected, basic post 102, fold mechanism 103, folding post 104 and telescopic mast 105;
Described traveling wheels 101 are suspended on the combination of each two driving wheel about horn 3 belows;
Described basic post 102 is a kind of glyph framework;
Described fold mechanism 103 is a kind of stretching devices that connect basic post 102 and folding post 104;
Described folding post 104 is a kind of support columns;
Described telescopic mast 105 be a kind of can be in basic post 102 and the support column that stretches in the folding post 104.
The operating principle of a post 1 is:
A post 1 is a front leg strut of the present utility model, and its cylinder design becomes foldable, is supported on the pier first half bearing pad stone of the place ahead, has three permanent positions can satisfy setting up of three kinds of different spans case beams with horn 3; When setting a roof beam in place operation, No. one post 1 vertically is fixed into articulated structure with horn 3, becomes flexible leg.
Basic post 102 is the first half of a post 1, is basic supporting frame, is provided with telescopic mast 105, is used for setting up of last Kong Liang on the bridge.Hang the top of traveling wheels 101 at basic post 102, can be along traveling before and after 3 times ear beams of horn, the needs that center of gravity was adjusted when a post 1 was shifted support and the walking of the utility model complete machine when setting a roof beam in place are striden in satisfied change.Folding post 104 is lower parts of post 1 supporting frame, and it has telescopic mast 105; When normally setting a roof beam in place operation, affixed by bearing pin and bolt between folding post 104 and the basic post 102, the telescopic mast 105 of folding post 104 bottoms stretches out, and is supported on the pier pinner; Can will fold post 104 foldings by fold mechanism 103,105 of telescopic masts on the basic post 102 are stood on the abutment, finish setting up of last beam sheet.
2, No. two posts 4
As Fig. 5 A, Fig. 5 B, No. two post 4 is made up of door frame 401, door frame lower transverse beam 402, hydraulic lifting supporting leg 403; Door frame 401 and door frame lower transverse beam 402 are formed " O " shape portal-framed structure; Be provided with hydraulic lifting supporting leg 403 below the door frame lower transverse beam 402;
Described door frame 401 is a kind of shape of a hoof frameworks;
Described door frame lower transverse beam 402 is a kind of straight line hollow box beams;
Described hydraulic lifting supporting leg 403 is a kind of telescopic support columns by hydraulic control.
The operating principle of No. two posts 4 is:
No. two post 4 is positioned at horn 3 middle parts, and is fixed with horn 3, is rigid leg of the present utility model.Door frame 401 is supporting frames of No. two posts, and its top adopts shape of a saddle horizontal-associate to connect, and not only improves the horizontal coupling stiffness between horn and the transverse integral of complete machine, and guarantees the current smoothly of trolley 6; Door frame lower transverse beam 402 is provided with two hydraulic lifting supporting legs 403, support conversion when realizing the utility model walking and stable support requirement when setting a roof beam in place operation.
3, No. three posts 8
As Fig. 6 A, Fig. 6 B, Fig. 7 A, Fig. 7 B, Fig. 8 A, Fig. 8 B, No. three post 8 is made up of lifting column 801, fold mechanism 802, running mechanism 803, hydraulic suspension balancer 804 and steering mechanism 805.From top to bottom, lifting column 801, fold mechanism 802, running mechanism 803 are arranged in order and are connected; In running mechanism 803, be provided with hydraulic suspension balancer 804 and steering mechanism 805;
Described lifting column 801 is frameworks of " O " font;
Described fold mechanism 802 is a kind of stretching devices that connect lifting column 801 and running mechanism 803;
Described running mechanism 803 is a kind of running mechanisms of 801 that support, two rows about this mechanism divides, and every row divides two groups of front and back, and every group is provided with four driving wheels;
Described hydraulic suspension balancer 804, as Fig. 8 B, a kind of triangle balancer of forming by telescopic arm 8041, support arm 8042 and connecting rod 8043;
Described steering mechanism 805 is a kind of link gears of being made up of connecting rod and oil cylinder.
The operating principle of No. three posts 8 is:
No. three posts 8 are that vertical shift of the present utility model drives pillar.Lifting column 801, fold mechanism 802 make No. three posts 8 have two kinds to support station---and narrow formula supports (seeing Fig. 7 A) and wide formula supports (seeing Fig. 7 B); During the feeding beam operation, No. three posts 8 promote the wide formula of also outer pendulum running mechanism 803 formation of supporting leg and support; During the utility model vertical shift operation, No. three post 8 is inwardly swung running mechanism 803 and is supported on case web top, forms narrow formula and supports, and the running mechanism 803 of No. three posts 8 drives the utility model vertical shifts forward.Hydraulic suspension balancer 804 designs by different road conditions for running mechanism 803, and this device can be done vertical compensation to running mechanism 803, and makes each driving wheel stand under load equilibrium; The wheel shaft of traveling simultaneously can laterally be swung in right amount, to adapt to circuit horizontal wall inscription situation.Steering mechanism 805 is according to running mechanism 803 structural arrangement forms, adopts the steering mode (seeing Fig. 8 A) of deflection running mechanism 803, and corresponding different turning radius have different separately steering angles; And four traveling wheels between every group link to each other by connecting rod, turn to oil cylinder to promote realization by one and turn to, identical steering angle is arranged.
4, trolley 6
As Figure 10 A, Figure 10 B, trolley 6 is made up of running truck 601, running mechanism 602, big vehicle frame 603, hoisting mechanism 604, traversing chassis 605, balancer 606, Traverse Displacement Unit 607;
Its position and annexation are:
Four jiaos of big vehicle frame 603 are supported by four running trucks 601, and each fixes a running mechanism 602 big vehicle frame 603 the right and lefts; Be placed with traversing chassis 605 on the big vehicle frame 603, and connect by Traverse Displacement Unit 607; Hoisting mechanism 604, balancer 606 are fixed on the traversing chassis 605.
Described running truck 601 is made up of bogie frame 6011 (framework) and weight movement device 6012 (outsourcing piece).
Described running mechanism 602 (outsourcing piece) is made up of the hydraulic motor, planet-gear speed reducer, driving box and the chain that connect successively.
Described big vehicle frame 603 is a kind of recessed formula plane frame structures of being made up of two girders and two butt beams.
Described hoisting mechanism 604 is made up of the hoist engine 6041 that hoists, rope winding jib 6042, fixed pulley group 6043 and running block 6044.
Described traversing chassis 605 is made up of rectangle case beam framework and the weight movement device (outsourcing piece) below it.
Described balancer 606 is made up of pulley and cuboid framework; Pulley places in the framework.
Described bogie frame 607 is a kind of telescopic oil cylinders that connect big vehicle frame 603 and traversing chassis 605.
The operating principle of trolley 6 is:
According to the span of setting up case beam, post 1 and 3 of horns have three fixedly to be hinged the position; The utility model is furnished with two trolleys 6, every trolley 6 is equipped with two and overlaps independently hoisting mechanism 604, wherein two of dolly cover hoisting mechanisms 604 make left and right sides suspension centre stress equalization by balancer 606, thereby the four-point lifting during with hoisting operation converts three suspension centres to, make the balanced stand under load of case beam, quiet takeoff and landing; Trolley 6 has three-dimensional motion and fine motion function, and the accurate contraposition of energy guard box beam is installed.Big vehicle frame 603 is formed recessed formula plane frame structure by two girders and two butt beams, has reduced the complete machine height; The two ends of two end carriages link to each other with running truck 601 with articulated form, and 4 running trucks 601 support big vehicle frame 603.Running mechanism 602 drives trolleys 6 vertical shifts, and it is traversing that Traverse Displacement Unit 607 drives traversing chassis 605, hoisting mechanism 604 lifting beam sheets.
5, horn 3
As Fig. 9, horn 3 is the rectangular frames that connected into by two girders 302, first crossbeam 301, second crossbeam 303.
Described first crossbeam 301 is a kind of rectangle case beams.
Described girder 302 is a kind of box girder with variable cross section structures, and it is provided with walking rails 3021, and its inboard is provided with guide rail 3022, is provided with ear beam (semi girder) 3023 below it.
Described second crossbeam 303 is a kind of rectangle truss.
The operating principle of horn 3 is:
Horn 3 is support main beams of the present utility model.Be the two box-beam structures of variable cross-section, total length 66m, two center to center distance between main girder 9m are divided into seven sections, adopt friction-type high-strength bolt form to connect between the sections.The anterior lower cover of horn is provided with the change cross-node, and the different installation site of post is provided No. one, satisfies the needs of 32m, 24m, the job execution of 20m box beam erection.During the utility model vertical shift, No. one post 1 can be fixedly hinged by node locating device and horn when setting a roof beam in place along traveling before and after the ear beam under the horn.
6, post hydraulic system 2, No. two post hydraulic systems 5, No. three post hydraulic systems 9, trolley hydraulic system 7 equal selection standard outsourcing pieces are power sources of complete machine, promptly are respectively the power source of post 1, No. two posts 4, No. three posts 8, trolley 6.
Claims (8)
1, a kind of walking box beam bridge formation machine comprises a post hydraulic system (2), No. two post hydraulic systems (5), No. three post hydraulic systems (9), trolley hydraulic system (7);
It is characterized in that: front end, middle part, the afterbody below horn (3) is respectively arranged with a post (1), No. two posts (4), No. three posts (8) that support horn (3); A post (1), No. two posts (4) and No. three posts (8) are connected with a post hydraulic system (2), No. two post hydraulic systems (5) and No. three post hydraulic systems (9) respectively; Be provided with trolley (6) in the top of supporting horn (3), trolley (6) is connected with trolley hydraulic system (7);
No. two posts (4), No. three posts (8) are fixedlyed connected with horn (3), and a post (1) and horn (3) are for fixedly to be hinged.
2, by the described a kind of walking box beam bridge formation machine of claim 1, it is characterized in that:
A post (1) is made up of the suspension traveling wheels (101) that are arranged in order from top to bottom and are connected, basic post (102), fold mechanism (103), folding post (104) and telescopic mast (105).
3, by the described a kind of walking box beam bridge formation machine of claim 1, it is characterized in that:
No. two posts (4) are made up of door frame (401), door frame lower transverse beam (402), hydraulic lifting supporting leg (403); Door frame (401) and door frame lower transverse beam (402) are formed " O " shape portal-framed structure; Be provided with hydraulic lifting supporting leg (403) below the door frame lower transverse beam (402).
4, by the described a kind of walking box beam bridge formation machine of claim 1, it is characterized in that:
No. three posts (8) are made up of lifting column (801), fold mechanism (802), running mechanism (803), hydraulic suspension balancer (804) and steering mechanism (805); From top to bottom, lifting column (801), fold mechanism (802), running mechanism (803) are arranged in order and are connected; In running mechanism (803), be provided with hydraulic suspension balancer (804) and steering mechanism (805).
5, by the described a kind of walking box beam bridge formation machine of claim 4, it is characterized in that:
The triangle balancer that hydraulic suspension balancer (804) is made up of telescopic arm (8041), support arm (8042) and connecting rod (8043).
6, by the described a kind of walking box beam bridge formation machine of claim 1, it is characterized in that:
Trolley (6) is made up of running truck (601), running mechanism (602), big vehicle frame (603), hoisting mechanism (604), traversing chassis (605), balancer (606), Traverse Displacement Unit (607);
Its position and annexation are:
Four jiaos of big vehicle frame (603) are supported by four running trucks (601), and each fixes a running mechanism (602) big vehicle frame (603) the right and left; Be placed with traversing chassis (605) on the big vehicle frame (603), and connect by Traverse Displacement Unit (607); Hoisting mechanism (604), balancer (606) are fixed on the traversing chassis (605).
7, by the described a kind of walking box beam bridge formation machine of claim 1, it is characterized in that:
Horn (3) is the rectangular frame that is connected into by two girders (302), first crossbeam (301), second crossbeam (303).
8, by the described a kind of walking box beam bridge formation machine of claim 7, it is characterized in that:
Girder (302) is a kind of box girder with variable cross section structure, and it is provided with walking rails (3021), and its inboard is provided with guide rail (3022), is provided with ear beam (3023) below it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520098024 CN2871633Y (en) | 2005-09-09 | 2005-09-09 | Walk cased beamed bridge erecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520098024 CN2871633Y (en) | 2005-09-09 | 2005-09-09 | Walk cased beamed bridge erecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2871633Y true CN2871633Y (en) | 2007-02-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520098024 Expired - Fee Related CN2871633Y (en) | 2005-09-09 | 2005-09-09 | Walk cased beamed bridge erecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2871633Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395411C (en) * | 2005-09-09 | 2008-06-18 | 中铁工程机械研究设计院 | Walking type box beam bridge formation machine |
| CN101942807A (en) * | 2010-10-08 | 2011-01-12 | 石家庄铁道大学国防交通研究所 | Flow type bridge erecting machine |
| CN102051860A (en) * | 2011-01-31 | 2011-05-11 | 邯郸中铁桥梁机械有限公司 | Bridge erecting and track laying machine for railway |
| CN102094651A (en) * | 2011-01-14 | 2011-06-15 | 湖南五新机械有限公司 | Automatic traveling device for traveling on uneven ground |
| CN102094648A (en) * | 2011-01-14 | 2011-06-15 | 湖南五新机械有限公司 | Mobile support device |
| CN102425120A (en) * | 2011-08-29 | 2012-04-25 | 中铁科工集团有限公司 | Split guide beam type tunnel-passing bridge girder erecting machine |
-
2005
- 2005-09-09 CN CN 200520098024 patent/CN2871633Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395411C (en) * | 2005-09-09 | 2008-06-18 | 中铁工程机械研究设计院 | Walking type box beam bridge formation machine |
| CN101942807A (en) * | 2010-10-08 | 2011-01-12 | 石家庄铁道大学国防交通研究所 | Flow type bridge erecting machine |
| CN101942807B (en) * | 2010-10-08 | 2014-01-22 | 石家庄铁道大学国防交通研究所 | Flow type bridge erecting machine |
| CN102094651A (en) * | 2011-01-14 | 2011-06-15 | 湖南五新机械有限公司 | Automatic traveling device for traveling on uneven ground |
| CN102094648A (en) * | 2011-01-14 | 2011-06-15 | 湖南五新机械有限公司 | Mobile support device |
| CN102051860A (en) * | 2011-01-31 | 2011-05-11 | 邯郸中铁桥梁机械有限公司 | Bridge erecting and track laying machine for railway |
| CN102051860B (en) * | 2011-01-31 | 2012-11-14 | 邯郸中铁桥梁机械有限公司 | Bridge erecting and track laying machine for railway |
| CN102425120A (en) * | 2011-08-29 | 2012-04-25 | 中铁科工集团有限公司 | Split guide beam type tunnel-passing bridge girder erecting machine |
| CN102425120B (en) * | 2011-08-29 | 2013-12-18 | 中铁科工集团有限公司 | Split guide beam type tunnel-passing bridge girder erecting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHONGTIE ENGINEERING MACHINERY RESEARCH AND DESIGN Free format text: FORMER NAME OR ADDRESS: ZHONGTIE RESEARCH AND DESIGN INST. OF ENGINEERING MACHINERY |
|
| CP03 | Change of name, title or address |
Address after: 430066, 45 East Main Street, Wuchang District, Hubei, Wuhan Patentee after: China's Railroad Engineering Machine Research Design Institute Co., Ltd. Address before: 430066, 45 East Main Street, Wuchang District, Hubei, Wuhan Patentee before: China Railway Engineering Machinery Research & Design Institute |
|
| ASS | Succession or assignment of patent right |
Owner name: CHINA RAILWAY SCIENCE AND INDUSTRY GROUP CO. Free format text: FORMER OWNER: ZHONGTIE ENGINEERING MACHINERY RESEARCH AND DESIGN INST., LTD. Effective date: 20080926 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080926 Address after: No. 45 East Main Street, Wuchang District, Hubei, Wuhan: 430066 Patentee after: China Railway Science & Industry Group Co., Ltd. Address before: No. 45 East Main Street, Wuchang District, Hubei, Wuhan: 430066 Patentee before: China's Railroad Engineering Machine Research Design Institute Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070221 Termination date: 20130909 |