CN204702444U - The aerial self-locking of tower crane hoist rope and system for unlocking - Google Patents
The aerial self-locking of tower crane hoist rope and system for unlocking Download PDFInfo
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- CN204702444U CN204702444U CN201520214101.9U CN201520214101U CN204702444U CN 204702444 U CN204702444 U CN 204702444U CN 201520214101 U CN201520214101 U CN 201520214101U CN 204702444 U CN204702444 U CN 204702444U
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- otic placode
- locking
- rocket
- hoist rope
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Abstract
The utility model discloses the aerial self-locking of a kind of tower crane hoist rope and system for unlocking, comprise hoist rope and the amplitude variation trolley along crane arm movement, an arm end otic placode box is fixedly connected with in the front end of crane arm, the body junction framework of amplitude variation trolley installs a bracket in place, the end of hoist rope connects a rocket otic placode frame, and rocket otic placode is along crane arm movable stand and be between amplitude variation trolley and arm end otic placode box; The afterbody of rocket otic placode frame is flexibly connected with bracket in place, and the front portion of arrow otic placode frame has the pawl structures part that can penetrate arm end otic placode box, by having coordinated the aerial self-locking of hoist rope with the action of amplitude variation trolley and having unlocked operation.The utility model can realize automatic locking and the unblock of crane arm front end hoist rope, simple operation, decreases staff aerial, improves device security reliability.
Description
Technical field
The utility model belongs to technical field of engineering machinery, relates to crane lifting and operation platform comprehensive equipment, particularly the aerial self-locking of a kind of hoist rope and system for unlocking.
Background technology
Crane lifting and operation platform comprehensive equipment are a kind of special mechanical equipments of the building main body construction for tubular constructions such as large-scale chimney cooling towers, by designing the integrated innovation of each function, can be efficient, fast speed realize construction operation personnel with construction material (as reinforcing bar, cement concrete, finishing material, Mini-Machine) vertical, horizontal transport.The oneself height of crane lifting and operation platform comprehensive equipment and job platform length shapes can change and self-service lifting and combination with construction height and the scope of operation, and do not realize aerial from dismounting by external force.
Crane lifting and operation platform comprehensive equipment top derrick runway girder part utilize a set of lifting mechanism, complete hoisting operation and aerial folding arm operation.After building operation terminates, need the hoist rope end of crane arm front end to unlock, more change steel rope is worn around mode to realize folding arm operation.Traditional hoist rope end unlocking manner, then need, by manually unlocking hoist rope in crane arm front end, staff's aerial work, to be not easy to operation, safe reliability is difficult to ensure.
Utility model content
The purpose of this utility model is to improve existing crane lifting and operation platform comprehensive equipment, the aerial self-locking of a kind of tower crane hoist rope and system for unlocking are provided, solve and need the artificial aerial technological deficiency unlocking crane arm front end hoist rope.The utility model achieves automatically locking and unblock of crane arm front end hoist rope, instead of artificial aerial work, improves the safety performance of crane lifting and operation platform comprehensive equipment.
To achieve these goals, the technical scheme that the utility model is taked is:
A kind of aerial self-locking of tower crane hoist rope and system for unlocking, comprise hoist rope and the amplitude variation trolley along crane arm movement, an arm end otic placode box is fixedly connected with in the front end of crane arm, the body junction framework of amplitude variation trolley installs a bracket in place, the end of hoist rope connects a rocket otic placode frame, and rocket otic placode is along crane arm movable stand and be between amplitude variation trolley and arm end otic placode box; The afterbody of rocket otic placode frame is flexibly connected with bracket in place, and the front portion of rocket otic placode frame has the pawl structures part that can penetrate arm end otic placode box, by having coordinated the aerial self-locking of hoist rope with the action of amplitude variation trolley and having unlocked operation.
Further, described rocket otic placode frame comprises two bearing pins in place, two side plates, cover of wedge adapter plate, connecting panel, two rockets are pitched plates and are arranged on the pawl structures part on rocket fork plate.
Side plate is L-shaped, a "Ji" type framing member is formed by connecting panel between the end of two side plates, respectively be symmetrical arranged a bearing pin in place be flexibly connected with bracket in place at the base portion of "Ji" type framing member, the lengthwise centers line of bearing pin in place parallels with the line of centers of "Ji" type framing member; Cover of wedge adapter plate is fixed on the inside of "Ji" type framing member, and connecting panel and cover of wedge adapter plate be arranged in parallel.
Rocket fork plate is tapered and is fixed in the outside of connecting panel, and the middle part of rocket fork plate is provided with pawl structures part.
Pawl structures part is pitched by locking and locking fork shaft is formed, and locking fork shaft is arranged on the inside of rocket fork plate, and the lengthwise centers line that plate pitched by the lengthwise centers line of locking fork shaft and rocket is perpendicular; Locking is pitched and is arranged on locking fork shaft and can rotates around locking fork shaft, and locking fork is in inverted U-shaped, and comprise a long limit and a minor face, its minor face is near arm end otic placode box.
Further, described arm end otic placode box is installed in the side of crane arm front end, is the coffin passage surrounded by left otic placode, transverse slat, locking pin, auris dextra plate; Left otic placode and auris dextra plate are oppositely arranged, and transverse slat and locking pin are fixed between left otic placode and auris dextra plate, and locking pin is arranged on the below of transverse slat.
Further, described bracket in place is the symmetrical structure assembly set matched with rocket otic placode frame, is made up of a channel-section steel, two otic placodes and two axle sleeves; Channel-section steel level is fixed on the body junction framework of amplitude variation trolley, and at each affixed otic placode of the upper surface of channel-section steel end, an affixed axle sleeve on each otic placode, the lengthwise centers line parallel of axle sleeve, the bearing pin in place of rocket otic placode frame can insert axle sleeve.
Further, the inside of described rocket otic placode frame "Ji" type framing member is also provided with cover of wedge assembly for connecting hoist rope and screw shaft assembly, screw shaft assembly is fixed on the middle part of cover of wedge adapter plate, screw shaft assembly and cover of wedge member hinges, and cover of wedge assembly connects hoist rope.
Compared with prior art, the utility model has following characteristics and beneficial effect:
The aerial self-locking of tower crane hoist rope of the present utility model and system for unlocking, mainly comprise rocket otic placode frame, arm end otic placode box and bracket in place, rocket otic placode frame matches with the movement of amplitude variation trolley, rocket otic placode frame both can be combined by bracket in place and amplitude variation trolley, again can under the drive of amplitude variation trolley insertion arm end otic placode box, by the pawl structures part on rocket fork plate and the interaction of locking pin, realize hoist rope to automatically lock in the air and unblock, reliable in action, easy and simple to handle, do not need operating personal aloft work.
The utility model is the improvement to existing crane lifting and operation platform comprehensive equipment, when hoisting operation and crane arm tear arm operation in the air open, replaces the derrick line steel rope fixed end of manual demolition crane arm front end, makes equipment hommization more, automation.
Accompanying drawing explanation
Fig. 1 is the aerial self-locking of tower crane hoist rope and system for unlocking working state schematic representation.
Fig. 2 is the A-A section-drawing of Fig. 1.
Fig. 3 is the structural representation of rocket otic placode frame.
Fig. 4 is the lateral plan of the otic placode of rocket shown in Fig. 3 frame.
Fig. 5 is the structural representation of arm end otic placode box.
Fig. 6 is the aerial self-locking of tower crane hoist rope and system for unlocking off working state schematic diagram.
Fig. 7 is the schematic top plan view of Fig. 6.
Fig. 8 is the aerial self-locking of tower crane hoist rope and system for unlocking automatic locking process one schematic diagram.
Fig. 9 is the aerial self-locking of tower crane hoist rope and system for unlocking automatic locking process two schematic diagram.
Figure 10 is the aerial self-locking of tower crane hoist rope and system for unlocking automatic locking process three schematic diagram.
Figure 11 is the aerial self-locking of tower crane hoist rope and system for unlocking automatic locking view.
Figure 12 is the aerial self-locking of tower crane hoist rope and system for unlocking automatic unlocking process schematic.
Figure 13 is the aerial self-locking of tower crane hoist rope and system for unlocking released state schematic diagram.
Description of reference numerals: 1, rocket otic placode frame; 1.1, bearing pin in place; 1.2, side plate; 1.3, cover of wedge adapter plate; 1.4, connecting panel; 1.5, rocket fork plate; 1.6, locking fork; 1.7, locking fork shaft;
2, arm end otic placode box; 2.1, left otic placode; 2.2, transverse slat; 2.3, locking pin; 2.4, auris dextra plate;
3, bracket in place; 3.1, axle sleeve; 3.2, otic placode; 3.3, channel-section steel;
4, suspension hook; 5, pulley A; 6, pulley B; 7, hoist rope; 8, cover of wedge assembly; 9, screw shaft assembly; 10, frame center's line.
Detailed description of the invention
For the ease of understanding the purpose of this utility model, technical scheme and effect thereof, now will be elaborated further the utility model in conjunction with the embodiments.
The present embodiment is for the technological deficiency of crane lifting and operation platform comprehensive equipment, give the aerial self-locking of a kind of tower crane hoist rope and system for unlocking, make use of mechanical detent principle, the mode of artificial for crane arm front end dismounting hoist rope being changed into can the mode of automatic dismantling, improve operation ease, decrease artificial aloft work.
The structure of the aerial self-locking of described hoist rope and system for unlocking forms as depicted in figs. 1 and 2.It mainly comprises the amplitude variation trolley along crane arm movement, around the hoist rope 7 wearing amplitude variation trolley, is welded on the arm end otic placode box 2 of crane arm front end, and connects the rocket otic placode frame 1 of hoist rope 7 one end.Rocket otic placode frame 1 can move along crane arm, is between amplitude variation trolley and arm end otic placode box 2.
The body junction framework of amplitude variation trolley welds a bracket 3 in place, and amplitude variation trolley is linked together by bracket 3 in place, and rocket otic placode frame 1 can be driven to move together along crane arm.It should be noted that, the connection between rocket otic placode frame 1 with bracket 3 in place is flexibly connected, and namely rocket otic placode frame 1 can depart from amplitude variation trolley.The front portion of rocket otic placode frame 1 has the pawl structures part that can penetrate arm end otic placode box 2, and the INT COMP of pawl structures part and arm end otic placode box 2 interacts, by having coordinated aerial the automatically locking and unlock operation of hoist rope 7 with the action of amplitude variation trolley.
Described rocket otic placode frame is bilateral symmetry, see Fig. 3 and Fig. 4, pitches plate 1.5 form by two bearing pins in place, 1.1, two side plates, 1.2, cover of wedge adapter plate, 1.3, connecting panel, 1.4, two rockets.Especially, rocket fork plate 1.5 is also provided with pawl structures part.
Wherein, side plate 1.2 is L-shaped, and two side plates 1.2 are oppositely arranged, between the end of two side plates, be welded to connect plate 1.4, and such two side plates 1.2 and connecting panel 1.4 define a symmetrical "Ji" type framing member.Two bearing pins 1.1 in place are welded on the base portion of "Ji" type framing member, and each side plate 1.2 welds a bearing pin 1.1 in place, and bearing pin 1.1 in place can be connected with bracket 3 in place.As shown in Figure 3, bearing pin 1.1 in place is welded on the base portion of side plate 1.2 along its length, and the lengthwise centers line of two bearing pins 1.1 in place parallels, and parallels with the centre symmetry line of "Ji" type framing member.At the inside (between two side plates 1.2) of "Ji" type framing member welding cover of wedge adapter plate 1.3, cover of wedge adapter plate 1.3 and connecting panel 1.4 be arranged in parallel.
Rocket fork plate 1.5 is welded on the outside of connecting panel 1.4, and rocket fork plate 1.5 is welded in the centre symmetry line of "Ji" type framing member.As shown in Figure 3 and Figure 4, rocket fork plate 1.5 is a cone body, can in insertion arm end otic placode box 2.Especially, the medium position of rocket fork plate 1.5 is provided with pawl structures part, and pawl structures part is made up of locking fork 1.6 and locking fork shaft 1.7.Locking fork shaft 1.7 is arranged on the inside of rocket fork plate 1.5, and the lengthwise centers line that plate pitched by the lengthwise centers line of locking fork shaft 1.7 and rocket is perpendicular.Locking fork 1.6 pitches plate 1.5 by locking fork shaft 1.7 and rocket, and locking fork 1.6 freely can rotate around locking fork shaft 1.7, and locking fork 1.6 is in inverted U-shaped, and comprise a long limit and a minor face, its minor face is near arm end otic placode box 2.In its natural state, locking fork 1.6 because of deadweight all the time vertically down (towards ground).
As previously mentioned, one end of hoist rope 7 is connected with rocket otic placode frame 1.Specifically, in the inside of the "Ji" type framing member of rocket otic placode frame 1, be also provided with the cover of wedge assembly 8 for connecting hoist rope 7 and screw shaft assembly 9.Wherein, screw shaft assembly 9 is welded on the medium position of cover of wedge adapter plate 1.3, and hoist rope 7 is by cover of wedge assembly 8 connecting screw rod Shaft assembly 9.Screw shaft assembly 9 is hinged with cover of wedge assembly 8, and cover of wedge assembly 8 freely can rotate around screw shaft assembly 9.
Automatically locking and unlocking motion for coordinating rocket otic placode frame 1 to complete, also on the body junction framework of amplitude variation trolley, a bracket in place 3 matched with rocket otic placode frame 1 need be installed.Bracket 3 in place is the symmetrical structure assembly sets matched with rocket otic placode frame 1. it is formed by a channel-section steel 3.3, two otic placodes 3.2 and two axle sleeve 3.1 assembly weldings.Channel-section steel 3.3 is welded on the body junction framework of amplitude variation trolley along its length, respectively welds an otic placode 3.2 at the upper surface of channel-section steel 3.3 end, and each otic placode 3.2 welds an axle sleeve 3.1.The lengthwise centers line parallel of two axle sleeves 3.1, the bearing pin in place 1.1 of rocket otic placode frame 1 can insert axle sleeve 3.1.Under the effect of hoist rope 7, the bearing pin in place 1.1 of rocket otic placode frame 1 inserts axle sleeve 3.1, and rocket otic placode frame 1 and amplitude variation trolley are combined, and can move forward and backward along crane arm.
Described arm end otic placode box 2 is welded on the side of crane arm front end, and form a limited coffin, as shown in Figure 5, it is welded by left otic placode 2.1, transverse slat 2.2, locking pin 2.3, auris dextra plate 2.4.Left otic placode 2.1 and auris dextra plate 2.4 are oppositely arranged, for retraining the side-to-side movement of rocket otic placode frame 1.Transverse slat 2.2 is welded between left otic placode 2.1 and auris dextra plate 2.4, and locking pin 2.3 is welded on the below of transverse slat 2.2, and transverse slat 2.2 and locking pin 2.3 are for retraining the up-and-down movement of rocket otic placode frame 1.When locking is pitched 1.6 arm entry end otic placode boxes 2 and is stuck in locking pin 2.3, rocket otic placode frame 1 just can not move backward, is locked at the front end of crane arm by rocket otic placode frame 1.
Coordinated by the action of amplitude variation trolley with rocket otic placode 1, locking and the unlocking motion of the hoist rope of crane arm front end can be realized, easy and simple to handle, quick.For further illustrating principle of work and the process of the aerial self-locking of tower crane hoist rope and system for unlocking, the workflow of hoist rope is divided into off working state, locking process, mode of operation and released state by the present embodiment.
(1) off working state
See Fig. 6 and Fig. 7, after hoist rope 7 one end walks around the pulley A 5 on pulley B 6 on amplitude variation trolley, two pulleys (right pulley, left chain wheel) of suspension hook 4, amplitude variation trolley successively, be fixedly connected on cover of wedge assembly 8, cover of wedge assembly 8 be welded on screw shaft assembly 9 on cover of wedge adapter plate 1.3 hinged (passing through pinned connection).Under the pulling force of hoist rope 7, two bearing pins 1.1 in place on rocket otic placode frame 1 insert the axle sleeve 3.1 on bracket 3 in place respectively, and rocket otic placode frame 1 is connected on bracket 3 in place in succession, and to advance along crane arm with amplitude variation trolley or retreat.
(2) locking process
See Fig. 8, amplitude variation trolley is advanced forward along crane arm, and the bracket in place 3 on amplitude variation trolley drives the slow arm entry end otic placode box 2 of rocket otic placode frame 1.When after the locking fork 1.6 and locking fork shaft 1.7 arm entry end otic placode box 2 of rocket otic placode frame 1, after locking pin 2.3 encountered by locking fork 1.6, around locking fork shaft 1.7 upwards (cw) rotation.
See Fig. 9, when rocket fork plate 1.5 continues to advance forward, the minor face of locking fork 1.6 will first walk around locking pin 2.3, and now amplitude variation trolley halts.
See Figure 10, when locking is pitched after 1.6 minor faces walk around locking pin 2.3, its long limit falls under gravity on locking pin 2.3, now amplitude variation trolley moves backward, and under the pulling force effect of hoist rope 7, rocket ear mount plate 1 moves backward, due to the finite space that arm end otic placode box 2 is formed, constraint rocket fork plate 1.5 can only move along crane arm direction, and when locking fork 1.6 is stuck in after on locking pin 2.3, rocket otic placode frame 1 is locked on crane arm.
See Figure 11, rocket otic placode frame 1 locking, when amplitude variation trolley continues to advance backward, its bracket in place 3 that will depart from amplitude variation trolley, now, namely hoist rope 7 enters mode of operation.
(3) mode of operation
See Fig. 1, rocket otic placode frame 1 is locked in arm end otic placode box 2, and hoist rope 7 is connected with the cover of wedge adapter plate 1.3 on rocket otic placode frame 1 by cover of wedge assembly 8 and screw shaft assembly 9.
(4) released state
See Fig. 9, contrary with locking process, during unblock, amplitude variation trolley is advanced forward, bearing pin in place 1.1 on rocket otic placode frame 1 inserts in 3.1 axle sleeves of bracket 3 in place, and when rocket fork plate 1.5 travels forward, locking is pitched 1.6 long edges and locking pin 2.3 and rotate up.
See Figure 12, amplitude variation trolley moves on, until locking fork 1.6 departs from locking pin 2.3, under Gravitative Loads straight down, now amplitude variation trolley halts locking fork 1.6.
See Figure 13, amplitude variation trolley starts to move backward, hoist rope 7 hauls rocket otic placode frame 1 and moves backward, locking is pitched 1.6 long edges and locking pin 2.3 and rotate up, arm end otic placode box 2 extracted smoothly out by rocket fork plate 1.5, rocket otic placode frame 1 and bracket 3 in place combine and move, and complete the dismounting of crane arm end volume hoist rope 7.
The utility model is done above in conjunction with the embodiments and further described, but the utility model is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Claims (5)
1. the aerial self-locking of tower crane hoist rope and system for unlocking, comprise hoist rope and the amplitude variation trolley along crane arm movement, it is characterized in that, an arm end otic placode box is fixedly connected with in the front end of crane arm, the body junction framework of amplitude variation trolley installs a bracket in place, the end of hoist rope connects a rocket otic placode frame, and rocket otic placode is along crane arm movable stand and be between amplitude variation trolley and arm end otic placode box; The afterbody of rocket otic placode frame is flexibly connected with bracket in place, and the front portion of rocket otic placode frame has the pawl structures part that can penetrate arm end otic placode box, by having coordinated the aerial self-locking of hoist rope with the action of amplitude variation trolley and having unlocked operation.
2. the aerial self-locking of tower crane hoist rope according to claim 1 and system for unlocking, it is characterized in that, the pawl structures part that described rocket otic placode frame comprises two bearing pins in place, two side plates, cover of wedge adapter plate, connecting panel, two rocket fork plates and is arranged on rocket fork plate;
Side plate is L-shaped, a "Ji" type framing member is formed by connecting panel between the end of two side plates, respectively be symmetrical arranged a bearing pin in place be flexibly connected with bracket in place at the base portion of "Ji" type framing member, the lengthwise centers line of bearing pin in place parallels with the line of centers of "Ji" type framing member; Cover of wedge adapter plate is fixed on the inside of "Ji" type framing member, and connecting panel and cover of wedge adapter plate be arranged in parallel;
Rocket fork plate is tapered and is fixed in the outside of connecting panel, and the middle part of rocket fork plate is provided with pawl structures part;
Pawl structures part is pitched by locking and locking fork shaft is formed, and locking fork shaft is arranged on the inside of rocket fork plate, and the lengthwise centers line that plate pitched by the lengthwise centers line of locking fork shaft and rocket is perpendicular; Locking is pitched and is arranged on locking fork shaft and can rotates around locking fork shaft, and locking fork is in inverted U-shaped, and comprise a long limit and a minor face, its minor face is near arm end otic placode box.
3. the aerial self-locking of tower crane hoist rope according to claim 2 and system for unlocking, it is characterized in that, described arm end otic placode box is installed in the side of crane arm front end, is the coffin passage surrounded by left otic placode, transverse slat, locking pin, auris dextra plate; Left otic placode and auris dextra plate are oppositely arranged, and transverse slat and locking pin are fixed between left otic placode and auris dextra plate, and locking pin is arranged on the below of transverse slat.
4. the aerial self-locking of tower crane hoist rope according to claim 3 and system for unlocking, it is characterized in that, described bracket in place is the symmetrical structure assembly set matched with rocket otic placode frame, is made up of a channel-section steel, two otic placodes and two axle sleeves; Channel-section steel level is fixed on the body junction framework of amplitude variation trolley, and at each affixed otic placode of the upper surface of channel-section steel end, an affixed axle sleeve on each otic placode, the lengthwise centers line parallel of axle sleeve, the bearing pin in place of rocket otic placode frame can insert axle sleeve.
5. the aerial self-locking of tower crane hoist rope according to any one of claim 1 to 4 and system for unlocking, it is characterized in that, the inside of described rocket otic placode frame "Ji" type framing member is also provided with cover of wedge assembly for connecting hoist rope and screw shaft assembly, screw shaft assembly is fixed on the middle part of cover of wedge adapter plate, screw shaft assembly and cover of wedge member hinges, cover of wedge assembly connects hoist rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520214101.9U CN204702444U (en) | 2015-04-10 | 2015-04-10 | The aerial self-locking of tower crane hoist rope and system for unlocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520214101.9U CN204702444U (en) | 2015-04-10 | 2015-04-10 | The aerial self-locking of tower crane hoist rope and system for unlocking |
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| Publication Number | Publication Date |
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| CN204702444U true CN204702444U (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520214101.9U Expired - Fee Related CN204702444U (en) | 2015-04-10 | 2015-04-10 | The aerial self-locking of tower crane hoist rope and system for unlocking |
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| CN (1) | CN204702444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108516482A (en) * | 2018-06-22 | 2018-09-11 | 中国五冶集团有限公司 | A kind of hoist rope internal force relief features |
-
2015
- 2015-04-10 CN CN201520214101.9U patent/CN204702444U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108516482A (en) * | 2018-06-22 | 2018-09-11 | 中国五冶集团有限公司 | A kind of hoist rope internal force relief features |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 065000 No. 61, Golden Road, Langfang, Hebei Patentee after: INSTITUTE OF BUILDING MECHANIZATION/CHINA ACADEMY OF BUILDING RESEARCH Patentee after: CABR CONSTRUCTION MACHINERY TECHNOLOGY Co.,Ltd. Address before: 065000 No. 61, Golden Road, Langfang, Hebei Patentee before: INSTITUTE OF BUILDING MECHANIZATION OF CHINA ACADEMY OF BUILDING RESEARCH Patentee before: CABR CONSTRUCTION MACHINERY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201116 Address after: 065000 pioneering Road, Langfang Development Zone, Hebei Patentee after: CABR CONSTRUCTION MACHINERY TECHNOLOGY Co.,Ltd. Patentee after: BEIJING CONSTRUCTION MECHANIZATION RESEARCH INSTITUTE CO.,LTD. Address before: 065000 No. 61, Golden Road, Langfang, Hebei Patentee before: INSTITUTE OF BUILDING MECHANIZATION/CHINA ACADEMY OF BUILDING RESEARCH Patentee before: CABR CONSTRUCTION MACHINERY TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 |