CN202481962U - Light economical type fast-erecting crane - Google Patents
Light economical type fast-erecting crane Download PDFInfo
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- CN202481962U CN202481962U CN2012200927983U CN201220092798U CN202481962U CN 202481962 U CN202481962 U CN 202481962U CN 2012200927983 U CN2012200927983 U CN 2012200927983U CN 201220092798 U CN201220092798 U CN 201220092798U CN 202481962 U CN202481962 U CN 202481962U
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Abstract
A light economical type fast-erecting crane comprises a chassis, a rotary table, a tower body, a section arm rack and hoisting wire ropes and an amplitude-changed trolley which is connected below the section arm rack in a sliding mode. The tower body includes an inner tower body and an outer tower body, and two long erection bars and two short erection bars symmetrical to the tower body are connected with the rotary table and the outer tower body in a hinge mode and a four-bar mechanism is formed. Arm racks include a first section arm rack, a second section arm rack and a third section arm rack, and the first section arm rack and the second section arm rack are connected through a hinge pin of an inclined side face. An amplitude-changed mechanism is installed at one side of the second section arm rack close to a root portion, the amplitude-changed trolley is placed on the arm racks, and a lifting hook is connected with the amplitude-changed trolley through the hoisting wire ropes. The light economical type fast-erecting crane breaks away from assist of other lifting equipment, relies on the structure and dynamic of the crane to achieve erection and disassembly, and thus time and labor are saved, and workers do not need to work high above the ground, fields can be fast converted, the work efficiency and safety coefficients are improved and construction cost is saved, and the light economical type fast-erecting crane can be widely used for lifting heavy articles in building construction.
Description
Technical field
The utility model relates to a kind of building operation weight-lifting equipment.
Background technology
The tradition tower crane comprises underframe, body of the tower, jib etc., need join the auxiliary assembled on site of accomplishing of lifting appliance such as crane in addition; It is complicated that this has just caused traditional tower hoist frame to establish process, when needs transfer another place to, still needs the auxiliary demolition works of accomplishing of miscellaneous equipment; Can not shift the place apace, the requirement of engineering labor time is set up in while dismounting repeatedly, not only can increase construction cost; Reduce safety factor, also can influence job schedule, reduced work efficiency.
The utility model content
The purpose of the utility model provides a kind of light economical hoisting crane that sets up fast, solve to rely on self structure to realize that complete machine sets up the problem with unloading process.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of light economical hoisting crane that sets up fast; Comprise underframe, turntable, body of the tower, joint jib and the hoist rope that is linked in sequence from bottom to top and saving jib slip underneath bonded assembly amplitude variation trolley; Said underframe is connected with turntable through pivoting support, and said swing type mechanism is installed in the turntable side, and said lifting mechanism is installed in the turntable middle part; Counterweight is pressed in the afterbody of turntable, it is characterized in that:
Body of the tower and outer body of the tower in said body of the tower comprises; Outer body of the tower bottom and turntable are hinged; Interior body of the tower and jib are hinged, and the homonymy at interior body of the tower bottom and outer body of the tower top is respectively equipped with one group of inside and outside body of the tower pull assembly pulley, and a side of outer body of the tower bottom has two pulleys to constitute the friction wheels.
The bottom of said outer body of the tower is del, and the tip of del is positioned at the counterweight offside of turntable, and two vertical rods of root square edge one side of del are provided with one group of upright tower running block, also is provided with one group of upright tower fixed pulley group on the turntable; Being symmetrical in body of the tower is connected with two and longly sets up bar and two weak points set up bar; Wherein the bearing of counterweight one side of two long lower ends of setting up bar and turntable is hinged; Its upper end is hinged with the upper end of the support of clip body of the tower; Two weak points set up the lower end of bar and another side portion of turntable is hinged, and its upper end is hinged with the lower end of the support of clip body of the tower, constitutes four-bar linkage.
Said jib comprises first segment jib, the second joint jib and the 3rd joint jib; The first segment jib is connected with the bearing pin of the second joint jib through prism; The second joint jib other end is connected with the 3rd joint jib; One end of exhibition arm rope is connected with the pole of first segment jib, and the other end is walked around second leading sheave and the top of interior body of the tower saved on the jib and is connected, and tail drag-line two ends are separately fixed at the 3rd and save on the bearing of end and turntable of jib.
Said luffing mechanism is installed in the second joint jib near root one side; Amplitude variation trolley is parked on the joint jib; Suspension hook is connected with amplitude variation trolley through hoist rope; Said amplitude variation trolley is made up of vehicle frame, guide wheel and pulley, and said suspension hook is made up of coupler body, pulley and pulley yoke, and the pulley on amplitude variation trolley and the suspension hook constitutes the lifting pulley group.
Said hoist rope comes out to pass successively lifting pulley group, friction pulley group, upright tower assembly pulley, inside and outside body of the tower pull assembly pulley from lifting mechanism.
Said first segment jib, the second joint jib and the 3rd joint jib are that the truss structure by the triangular-section constitutes, and wherein top boom is a round steel, the lower boom rectangular cross section structure that to be angle steel button side constitute with the channel-section steel buckle, and diagonal web member and horizontal web member are pipe.
Body of the tower constitutes with the truss structure of outer body of the tower by two square-sections in said, and interior body of the tower places outer body of the tower the inside, and the outside of interior body of the tower is provided with slide block with the place of the interior side contacts of outer body of the tower.
There is the guiding pleasure boat side of said support.
Said underframe and turntable are welded by heavy in section I-beam section and steel plate, the underframe bottom install can on turn over supporting leg and tow device.
Said can on turn over supporting leg and be positioned at four jiaos of underframe, be welded by steel plate, screw rod and spike are housed above.
The said device that tows comprises drawbar, propons and back axle, and wheel is housed respectively on said propons and the back axle, and an end of said drawbar is connected with towing vehicle, and the other end links to each other with propons.
Compared with prior art the utlity model has following characteristics and beneficial effect:
The utility model has overcome conventional hoist needs the auxiliary shortcoming of setting up demolition works of accomplishing of other lifting appliances, has solved the technical matters that realization is set up automatically and dismantled.
The utility model has been gathered technical characterstics such as four connecting rod erection techniques, the automatic draw techniques of inside and outside body of the tower, the aerial side direction exhibition of crane arm arm technology, amplitude variation trolley aerial bungee automatically technology and the shared cover power technology of a plurality of actions; Provide a kind of can realize setting up automatically and the aerial degree of tightness luffing steel rope automatically of the aerial side direction exhibition arm of inside and outside flexible, the crane arm of dismounting, body of the tower, amplitude variation trolley and the shared cover power of a plurality of action set up hoisting crane fast; A series of extra works that traditional tower crane disintegration transportation assembled on site is brought have been broken away from fully; Laborsaving during the erection process joint; And whole process does not need aloft work, and the mutual conversion between transit condition and the mode of operation is quick rapidly, guarantees converting field apace; And in devoting oneself to work; Can greatly increase work efficiency like this, practice thrift construction cost, also improve safety factor.
The utility model can be widely used in the building operation lifting appliance.
Description of drawings
Below in conjunction with accompanying drawing the utility model is done further detailed explanation.
Fig. 1 is the integral structure scheme drawing of the utility model.
Fig. 2 wears around scheme drawing for the utility model hoist rope.
Fig. 3 is four connecting rod principle schematic in the upright tower process of the utility model.
Fig. 4 tows view for the utility model.
Fig. 5 is the A-A schematic cross-section of Fig. 4.
Fig. 6 is view in the upright tower process of the utility model.
Reference numeral: 1-suspension hook; The 2-amplitude variation trolley; 3-saves jib; 3.1-first segment jib; 3.2-the second joint jib; 3.3-the 3rd joint jib; 3.4-bearing pin; 3.5-pole; 3.6-leading sheave; 4-exhibition arm rope; The 5-luffing mechanism; The 6-body of the tower; 6.1-interior body of the tower; 6.2-outer body of the tower; 7-tail drag-line; 8.1-the long bar that sets up; 8.2-the short bar that sets up; The 9-turntable; 9.1-bearing; The 10-pivoting support; 11-can on turn over supporting leg; The 12-lifting mechanism; The 13-underframe; The 14-swing type mechanism; 15.1-drawbar; 15.2-propons; 15.3-back axle; 16-lifting pulley group; The inside and outside body of the tower pull assembly pulley of 17-; The 18-wheels that rub; 19-founds the tower assembly pulley; 19.1-upright tower fixed pulley group; 19.2-upright tower running block; The 20-hoist rope; The 21-counterweight; The 22-support.
The specific embodiment
Embodiment is referring to shown in Figure 1, and this light economical hoisting crane that sets up fast comprises underframe 13, turntable 9, body of the tower 6, joint jib 3 and the hoist rope 20 that is linked in sequence from bottom to top and saving jib 3 slip underneath bonded assembly amplitude variation trolleys 2; Said underframe 13 is connected with turntable 9 through pivoting support 10; Said swing type mechanism 14 is installed in turntable 9 sides, and said lifting mechanism 12 is installed in turntable 9 middle parts, and counterweight 21 is pressed in the afterbody of turntable 9; Said turntable 9 is welded by heavy in section I-beam section and steel plate; Said swing type mechanism 14 is made up of motor, fluid coupling, retarder and gear, the miniature gears of swing type mechanism 14 and pivoting support 10 engagements, and said lifting mechanism 12 is made up of motor, retarder cable drum and firm banking; Said counterweight 21 is frameworks of an almost fan being welded into by reinforcing bar iron plate; Water with cement concrete then, guarantee certain weight, in order to the moment that leans forward of opposing complete machine.
Referring to shown in Figure 1; Body of the tower 6.1 and outer body of the tower 6.2 in said body of the tower 6 comprises, outer body of the tower 6.2 bottoms and turntable 9 are hinged, and interior body of the tower 6.1 is hinged with joint jib 3; Body of the tower 6.1 constitutes with the truss structure of outer body of the tower 6.2 by two square-sections in said; Interior body of the tower 6.1 places outer body of the tower 6.2 the insides, and the homonymy at interior body of the tower 6.1 bottoms and outer body of the tower 6.2 tops is respectively equipped with one group of inside and outside body of the tower pull assembly pulley 17, and the outside of interior body of the tower 6.1 is provided with slide block with the place of the interior side contacts of outer body of the tower 6.2; Guarantee that under the tension of inside and outside body of the tower pull assembly pulley 17 interior body of the tower 6.1 can be extracted out from outer body of the tower 6.2.
Referring to Fig. 1, shown in Figure 3, the bottom of said outer body of the tower 6.2 is del, and the tip of del is positioned at the counterweight offside of turntable 9; Two vertical rods of root square edge one side of del are provided with one group of upright tower running block 19.2; Also be provided with one group of upright tower fixed pulley group 19.1 on the turntable 9, be symmetrical in body of the tower 6 and be connected with two and longly set up bar 8.1 and two weak points set up bar 8.2, wherein the bearing 9.1 of counterweight one side of two long lower ends of setting up bar 8.1 and turntable 9 is hinged; Its upper end is hinged with the upper end of the support 22 of clip body of the tower; Two weak points set up the lower end of bar 8.2 and another side portion of turntable 9 is hinged, and its upper end is hinged with the lower end of the support of clip body of the tower, constitutes four-bar linkage; Link together through hoist rope 20 between tower running block 19.2 and the Li Ta fixed pulley group 19.1; Both have constituted upright tower assembly pulley 19, and there is the guiding pleasure boat side of support 22, utilize the operating principle and the characteristics of four connecting rods; Under the effect of upright tower assembly pulley 19, body of the tower and each coupled parts are erected; Can change outer body of the tower 6.2 into vertical state by horizontality, outer body of the tower 6.2 bottoms and turntable 9 are hinged, and a side of outer body of the tower 6.2 bottoms has two pulleys to constitute friction wheels 18.
Referring to Fig. 1, Fig. 4, shown in Figure 5; Said jib 3 comprises first segment jib 3.1, the second joint jib 3.2 and the 3rd joint jib 3.3, and said first segment jib 3.1, the second joint jib 3.2 and the 3rd joint jib 3.3 are that the truss structure by the triangular-section constitutes, and wherein top boom is a round steel; Lower boom is the rectangular cross section structure of angle steel button side and channel-section steel buckle formation; Diagonal web member and horizontal web member are pipe, and the first segment jib 3.1 and the second joint jib 3.2 flexibly connect through two bearing pins 3.4 of prism, can adopt side folding mode to go back to together; Promptly descend three parts of jib 3 to be connected in turn in line in working order; Under the state of turning back, first segment jib 3.1 turns back and is sidelong on the side of the second joint jib 3.2, and the second joint jib, 3.2 other ends are connected with the 3rd joint jib 3.3; One end of exhibition arm rope 4 is connected with the pole 3.5 of first segment jib 3.1; The other end is walked around the leading sheave 3.6 of second joint on the jib 3.2 and is connected with the top of interior body of the tower 6.1, and tail drag-line 7 two ends are separately fixed at the 3rd and save on the bearing 9.1 of end and turntable 9 of jib 3.3, and said tail drag-line 7 mainly contains steel rope and pull bar, load lifting limiter formation.
Referring to shown in Figure 1; Said luffing mechanism 5 is made up of motor, retarder cable drum and firm banking; Be installed in the second joint jib 3.2 near root one side, amplitude variation trolley 2 is parked on the jib 3, and suspension hook 1 is connected with amplitude variation trolley 2 through hoist rope 20; Follow the folding and unfolding rope of the steel wire 20 that hoists to realize the rising and the down maneuver of suspension hook 1; Said amplitude variation trolley 2 is made up of trolley frame, guide wheel and pulley, and said suspension hook 1 is made up of a coupler body, two pulleys and two pulley yokes, and two groups of pulleys on amplitude variation trolley 2 and the suspension hook 1 constitute lifting pulley groups 16.
Participate in Fig. 1, shown in Figure 2; Said hoist rope 20 comes out to pass successively lifting pulley group 16, friction pulley group 18, upright tower assembly pulley 19, inside and outside body of the tower pull assembly pulley 17 from lifting mechanism 12; Also have some pulleys that play the guiding role in addition; Be distributed in the penetrating on the path of hoist rope 20, guarantee that it can pass above-mentioned assembly pulley smoothly.Said friction pulley group 18 is after being locked, and hoist rope 20 is at its two ends separated into two parts, Yi Bian stop action, Yi Bian required steel rope is provided for lifting pulley group 16.
Referring to Fig. 1, shown in Figure 4, said underframe 13 is welded by heavy in section I-beam section and steel plate, underframe 13 bottoms install can on turn over supporting leg 11 and tow device; Said can on turn over supporting leg 11 and be positioned at four jiaos of underframe 13, be welded by steel plate, screw rod and spike are housed above; The said device that tows comprises drawbar 15.1, propons 15.2 and back axle 15.3, on said propons 15.2 and the back axle 15.3 two wheels and four wheels is housed respectively, and an end of said drawbar 15.1 is connected with towing vehicle; The other end links to each other with propons 15.2, when needing to shift, and outer body of the tower 6.2 inside of interior body of the tower 6.1 indentations; After reclaiming, body of the tower 6 can fall; Joint jib 3 after turning back overlays on body of the tower 6 upper surfaces, can on turn on the supporting leg 11 and turn over locking, can be under the effect of towing vehicle converting field.
The erection process of the utility model utilizes the operating principle and the characteristics of four connecting rods referring to Fig. 3, shown in Figure 6, under the effect of upright tower assembly pulley 19 and hoist rope 20, changes outer body of the tower 6.2 into vertical state by horizontality; Tail drag-line 7 is connected between the 3rd joint jib 3.3 afterbodys and the turntable 9; Be accompanied by upwards pull of interior body of the tower 6.1, slowly from outer body of the tower 6.2, pull out, the end that tail drag-line 7 hauls the 3rd joint jib 3.3 forces jib 3 to rotate around interior body of the tower 6.1 tops and its hinged place; Exhibition arm rope 4 is drawing first segment jib 3.1 in the rotation process; Itself and the second joint jib 3.2 are slowly launched, when interior body of the tower 6.1 pulls after the desired location, lock with outer body of the tower 6.2; Joint jib 3 just in time becomes the level of approximation state, and is as shown in Figure 1.
Above-described embodiment describes the preferred implementation of the utility model; Be not that scope to the utility model limits; Under the prerequisite that does not break away from the utility model design spirit; Various distortion and improvement that those of ordinary skills make the technical scheme of the utility model all should fall in the definite protection domain of the utility model claims.
Claims (7)
1. light economical hoisting crane that sets up fast; Comprise the underframe (13), turntable (9), body of the tower (6), jib (3) and the hoist rope (20) that are linked in sequence from bottom to top and at jib (3) slip underneath bonded assembly amplitude variation trolley (2); Said underframe (13) is connected with turntable (9) through pivoting support (10); Said swing type mechanism (14) is installed in turntable (9) side; Said lifting mechanism (12) is installed in turntable (9) middle part, and counterweight (21) is pressed in the afterbody of turntable (9), it is characterized in that:
Said body of the tower (6) comprises interior body of the tower (6.1) and outer body of the tower (6.2); Body of the tower (6.1) and outer body of the tower (6.2) are made up of the truss structure of two square-sections in said; Interior body of the tower (6.1) places outer body of the tower (6.2) the inside; Outer body of the tower (6.2) bottom and turntable (9) are hinged; Interior body of the tower (6.1) is hinged with joint jib (3), and the homonymy at interior body of the tower (6.1) bottom and outer body of the tower (6.2) top is respectively equipped with one group of inside and outside body of the tower pull assembly pulley (17), and a side of outer body of the tower (6.2) bottom has two pulleys to constitute friction wheels (18);
The bottom of said outer body of the tower (6.2) is del; The tip of del is positioned at the counterweight offside of turntable (9); Two vertical rods of root square edge one side of del are provided with one group of upright tower running block (19.2), also are provided with one group of upright tower fixed pulley group (19.1) on the turntable (9); Being symmetrical in body of the tower (6) is connected with two and longly sets up bar (8.1) and two weak points set up bar (8.2); Wherein the bearing (9.1) of counterweight one side of two long lower ends of setting up bar (8.1) and turntable (9) is hinged; Its upper end is hinged with the upper end of the support (22) of clip body of the tower; Two weak points set up the lower end of bar (8.2) and another side portion of turntable (9) is hinged, and its upper end is hinged with the lower end of the support of clip body of the tower, constitutes four-bar linkage;
Said jib (3) comprises first segment jib (3.1), the second joint jib (3.2) and the 3rd joint jib (3.3); First segment jib (3.1) is connected with the bearing pin (3.4) of the second joint jib (3.2) through prism; Second joint jib (3.2) other end is connected with the 3rd joint jib (3.3); One end of exhibition arm rope (4) is connected with the pole (3.5) of first segment jib (3.1); The leading sheave (3.6) that the other end is walked around on second joint jib (3.2) is connected with the top of interior body of the tower (6.1), and tail drag-line (7) two ends are separately fixed at the 3rd and save on the bearing (9.1) of end and turntable (9) of jib (3.3);
Said luffing mechanism (5) is installed in the second joint jib (3.2) near root one side; Amplitude variation trolley (2) is parked on the joint jib (3); Suspension hook (1) is connected with amplitude variation trolley (2) through hoist rope (20); Said amplitude variation trolley (2) is made up of vehicle frame, guide wheel and pulley, and said suspension hook (1) is made up of coupler body, pulley and pulley yoke, and the pulley on amplitude variation trolley (2) and the suspension hook (1) constitutes lifting pulley group (16);
Said hoist rope 20 comes out to pass successively lifting pulley group (16), friction pulley group (18), upright tower assembly pulley (19), inside and outside body of the tower pull assembly pulley (17) from lifting mechanism 12.
2. the light economical hoisting crane that sets up fast according to claim 1; It is characterized in that: it is that truss structure by the triangular-section constitutes that said first segment jib (3.1), the second joint jib (3.2) and the 3rd save jib (3.3); Wherein top boom is a round steel; Lower boom is the rectangular cross section structure of angle steel button side and channel-section steel buckle formation, and diagonal web member and horizontal web member are pipe.
3. the light economical hoisting crane that sets up fast according to claim 1 is characterized in that: the outside of body of the tower (6.1) is provided with slide block with the place of the interior side contacts of outer body of the tower (6.2) in said.
4. the light economical hoisting crane that sets up fast according to claim 1, it is characterized in that: there is the guiding pleasure boat side of said support (22).
5. the light economical hoisting crane that sets up fast according to claim 1, it is characterized in that: said underframe (13) and turntable (9) are welded by heavy in section I-beam section and steel plate, underframe (13) with can on turn over supporting leg (11) and tow device and be connected.
6. the light economical hoisting crane that sets up fast according to claim 5 is characterized in that: said can on turn over supporting leg (11) and be positioned at four jiaos of underframe (13), be welded by steel plate, screw rod and spike are housed above.
7. the light economical hoisting crane that sets up fast according to claim 5; It is characterized in that: the said device that tows comprises drawbar (15.1), propons (15.2) and back axle (15.3); On said propons (15.2) and the back axle (15.3) wheel is housed respectively; One end of said drawbar (15.1) is connected with towing vehicle, and the other end links to each other with propons (15.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200927983U CN202481962U (en) | 2012-03-13 | 2012-03-13 | Light economical type fast-erecting crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200927983U CN202481962U (en) | 2012-03-13 | 2012-03-13 | Light economical type fast-erecting crane |
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| Publication Number | Publication Date |
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| CN202481962U true CN202481962U (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200927983U Expired - Lifetime CN202481962U (en) | 2012-03-13 | 2012-03-13 | Light economical type fast-erecting crane |
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| Country | Link |
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| CN (1) | CN202481962U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762966A (en) * | 2015-04-13 | 2015-07-08 | 广西大学 | Working tower frame of drilling cast-in-place pile machine |
| CN104773658A (en) * | 2015-04-23 | 2015-07-15 | 广西大学 | Tower truss and hanging basket thereof |
| CN105271022A (en) * | 2014-06-26 | 2016-01-27 | 胡新飞 | Quick-assembly tower crane |
| CN110054097A (en) * | 2019-03-20 | 2019-07-26 | 湖南双达机电有限责任公司 | The synchronous telescoping mechanism of lorry-mounted crane |
| CN113548326A (en) * | 2021-06-23 | 2021-10-26 | 中联重科股份有限公司 | Three-section arm in-box bundling and container |
-
2012
- 2012-03-13 CN CN2012200927983U patent/CN202481962U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105271022A (en) * | 2014-06-26 | 2016-01-27 | 胡新飞 | Quick-assembly tower crane |
| CN104762966A (en) * | 2015-04-13 | 2015-07-08 | 广西大学 | Working tower frame of drilling cast-in-place pile machine |
| CN104773658A (en) * | 2015-04-23 | 2015-07-15 | 广西大学 | Tower truss and hanging basket thereof |
| CN110054097A (en) * | 2019-03-20 | 2019-07-26 | 湖南双达机电有限责任公司 | The synchronous telescoping mechanism of lorry-mounted crane |
| CN113548326A (en) * | 2021-06-23 | 2021-10-26 | 中联重科股份有限公司 | Three-section arm in-box bundling and container |
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| C14 | Grant of patent or utility model | ||
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Address after: 100007 Beijing Dongcheng District city Andingmen Fangjia Hutong No. 21 Patentee after: BEIJING CONSTRUCTION MECHANIZATION RESEARCH INSTITUTE CO.,LTD. Patentee after: CABR CONSTRUCTION MACHINERY TECHNOLOGY Co.,Ltd. Patentee after: INSTITUTE OF BUILDING MECHANIZATION/CHINA ACADEMY OF BUILDING RESEARCH Address before: 100007 Beijing Dongcheng District city Andingmen Fangjia Hutong No. 21 Patentee before: BEIJING INSTITUTE OF CONSTRUCTION MECHANIZATION Patentee before: CABR CONSTRUCTION MACHINERY TECHNOLOGY Co.,Ltd. Patentee before: INSTITUTE OF BUILDING MECHANIZATION OF CHINA ACADEMY OF BUILDING RESEARCH |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210302 Address after: 065000 Chuangye Road, development zone, Langfang City, Hebei Province Patentee after: CABR CONSTRUCTION MACHINERY TECHNOLOGY Co.,Ltd. Patentee after: BEIJING CONSTRUCTION MECHANIZATION RESEARCH INSTITUTE CO.,LTD. Address before: 100007 Beijing Dongcheng District city Andingmen Fangjia Hutong No. 21 Patentee before: BEIJING CONSTRUCTION MECHANIZATION RESEARCH INSTITUTE CO.,LTD. Patentee before: CABR CONSTRUCTION MACHINERY TECHNOLOGY Co.,Ltd. Patentee before: INSTITUTE OF BUILDING MECHANIZATION/CHINA ACADEMY OF BUILDING RESEARCH |
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| CX01 | Expiry of patent term |
Granted publication date: 20121010 |