CN203373664U - Foldable rear supporting leg of tunnel-through bridge girder erection machine - Google Patents
Foldable rear supporting leg of tunnel-through bridge girder erection machine Download PDFInfo
- Publication number
- CN203373664U CN203373664U CN201320385236.2U CN201320385236U CN203373664U CN 203373664 U CN203373664 U CN 203373664U CN 201320385236 U CN201320385236 U CN 201320385236U CN 203373664 U CN203373664 U CN 203373664U
- Authority
- CN
- China
- Prior art keywords
- front side
- supporting leg
- associate
- horizontal
- free bearing
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 9
- 239000000284 extract Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 241001669679 Eleotris Species 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a foldable rear supporting leg of a tunnel-through bridge girder erection machine. The foldable rear supporting leg comprises a folding control device, a rear fixed hinge, a front movable hinge, an outer cylindrical body, a lifting control device, a plug pin, an inner cylindrical body, three reaming supporting bases, a walking mechanism, an upper transverse linkage, a supporting rod, a middle transverse linkage, a plug pin device, a limiting device and a bridge girder erection machine main beam. The foldable rear supporting leg solves the problems that in the prior art, a space for a box girder to pass through can be made only when fixing bolts are manually disassembled and a rear supporting leg is moved out integrally, work efficiency is low and labor investment is large and has the advantages of being needless of other auxiliary equipment and capable of automatically and quickly making the space for the box girder to pass through, reducing operation difficulty and workload of workers and improving production efficiency.
Description
Technical field
The utility model belongs to the railway construction machine apparatus field, is specifically related to a kind of foldable tunnel rear supporting leg of bridge erecting machine of crossing.
Background technology
Along with deepening constantly of railway construction construction, exist a large amount of bridge tunnel correlation problems, particularly especially obvious in the mountain terrain construction.Cross the large complicated Bridge Erector that the tunnel Bridge Erector arises at the historic moment for this phenomenon.Usually crossing the tunnel rear supporting leg of bridge erecting machine passes through in order to meet the case beam on the one hand, in order to meet at hanging beam with while falling the beam operation, play a supportive role on the other hand, rear support leg is designed to C type supporting leg, and be designed to very large, and at girder outboard end and the same side of C type rear support leg, stud connection is set, reduce the appearance and size of Bridge Erector by upset, meet the face size in tunnel, to realize tunnelling function.
Tradition is crossed tunnel Bridge Erector C type rear support leg and can't be launched in tunnel, is difficult to realize set a roof beam in place in tunnel face zero distance, negative distance and tunnel.While for this reason, separately designing for feeding beam by C type rear support leg by its function, only it supports the auxiliary supporting leg of Bridge Erector dead weight and the supported Bridge Erector deadweight of be used for walking vertical shift, hanging beam and the beam operation that falls and the rear support leg of beam sheet.This rear support leg is usually designed to door type structure and with bolts with the main beam rear end bottom.In order normally to complete feeding beam, the case beam is passed through from the Bridge Erector rear portion, way in the past is by whole rear support leg dismounting, due to place restriction in tunnel, usually the way that adopts manual demolition machinery to coordinate, also need to consider the interim erect-position of rear support leg after the artificial unloading, and next step also needs to reinstall to reset.
As can be seen here, adopt existing tunnel rear support leg and the main beam rear end bottom of crossing to be connected and to be designed to bolt connecting mode and will greatly to have increased construction working amount, construction cost and engineering time, also exist very large potential safety hazard.
The utility model content
The purpose of this utility model is for the problems referred to above, a kind of foldable cross tunnel rear supporting leg of bridge erecting machine and application thereof are provided, this rear support leg not only design safety rationally, easy construction, simple to operate, can realize dismantling rear support leg feeding beam etc. fast, greatly improve operating efficiency and the comprehensive utilization ratio of Bridge Erector.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of foldable tunnel rear supporting leg of bridge erecting machine of crossing, comprise folding control device, the fixing hinge of rear side, front side moveable hinge, outer cylindrical body, apparatus for controlling of lifting, latch, inner cylinder, three fraising bearings, running mechanism, upper horizontal-associate, strut, middle horizontal-associate, bolt device, stopping means and crane ' s major girder.Described crane ' s major girder and rear support leg adopt stud connection; Be provided with folding control device between the horizontal-associate rear side of girder and upper horizontal-associate rear side.
Wherein, described folding control device comprises upper free bearing on the horizontal-associate that is arranged on girder, is arranged on lower free bearing and hydraulic jack on horizontal-associate, and described hydraulic jack is by being articulated and connected between upper free bearing and lower free bearing.
Wherein, before and after described crane ' s major girder bottom rear and outer cylindrical body top, both sides are provided with respectively front side moveable hinge, rear side fixed hinged seat; By means of bearing pin, connect.Shown front side moveable hinge comprise the horizontal free bearing that is fixed on the girder bottom rear, the perpendicular free bearing that is fixed on front side, outer cylindrical body top and with the bearing pin of bolt device by stud connection; The fixing hinge of shown rear side comprises lower free bearing and the bearing pin that is fixed on the basifacial upper free bearing of main beam rear end, is fixed on outer cylindrical body top rear side.
Wherein, during Bridge Erector hanging beam, fall beam and via hole vertical shift working condition, described crane ' s major girder is by with the outer cylindrical body top end panel of girder lower cover rear side in contacting all the time, passing to rear support leg to the pressure of rear support leg; Crane ' s major girder is to relatively rotate to pass to rear support leg by front side moveable hinge and the restriction of rear side fixed hinged seat to the moment of rear support leg.
Wherein, described bolt device comprises that the hinged-support that is fixed on the horizontal-associate front side is connected with bracing frame and an end hydraulic jack that an end is connected with the bearing pin of front side moveable hinge with hinged-support.
Wherein, the outer cylindrical body of described rear support leg and upper horizontal-associate, middle horizontal-associate are to be bolted to connection to form, and the strut two ends connect with upper horizontal-associate and are connected with outer cylindrical body by bearing pin, form the rear support leg door type structure.
Wherein, inner cylinder one end of described rear support leg is installed in outer cylindrical body hollow posts chamber, the other end is connected with running mechanism by stud connection, in the inner cylinder arranged outside, the location lath is arranged, described rear support leg outer cylindrical body and inner cylinder combine by the apparatus for controlling of lifting of adjusting height of landing leg, and the pin shaft hole of some support bearing pins of using with installing that cooperatively interact is set along outer cylindrical body and inner cylinder.
Wherein, the inner cylinder of described rear support leg combines by hinge with running mechanism, and the mode that is bolted is fixed on three hole hinged-supports on inner cylinder and walking mechanism and is provided with stopping means.
Beneficial effect
The utility model has been put in the construction of railways construction, owing to having adopted technique scheme, make the characteristics that have of the present utility model be: when feeding beam, first pack up rear support leg by handling the rear support leg apparatus for controlling of lifting, handle again folding control device rear support leg is upwards turned over, allow voluntarily the outlet beam by space, after case beam feeding beam puts in place, hanging beam and falling before the beam operation, then the upset of carrying out rear support leg resets and stretches out the work of resetting.Whole process does not need to consider to disassemble the erect-position problem after removing with rear support leg, so foldable rear support leg implementation structure is simple, easy to operate, the characteristics stably of overturning, thereby is conducive to improve operating efficiency and the comprehensive utilization ratio of Bridge Erector.
The accompanying drawing explanation
Fig. 1 is that foldable of the present utility model is crossed tunnel rear supporting leg of bridge erecting machine front view;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the right view partial view of Fig. 1;
The folding rear effect diagram intention that Fig. 4 is Fig. 1;
The A-A profile that removes the lifting hydraulic jack that Fig. 5 is Fig. 1;
In figure, 1 is folding control device; 2 is the fixing hinge of rear side; 3 is the front side moveable hinge; 4 is outer cylindrical body; 5 is apparatus for controlling of lifting; 6 is latch; 7 is inner cylinder; 8 is three fraising bearings; 9 is running mechanism; 10 is upper horizontal-associate; 11 is strut; 12 is middle horizontal-associate; 13 is bolt device; 14 is stopping means; 15 is girder; 1-1 is folding upper free bearing; 1-2 is the Foldable hydraulic oil cylinder; 1-3 is folding lower free bearing; 2-1 is free bearing on rear side; 2-2 is the rear side hinge; 2-3 is free bearing under rear side; 3-1 is the horizontal free bearing in front side; 3-2 is the front side bearing pin; 3-3 is the perpendicular free bearing in front side; 4-1 is end plates; 5-1 is free bearing in lifting; 5-2 is the lifting hydraulic jack; 7-1 is inner cylinder location lath; 13-1 is the latch hinged-support; 13-2 is the latch hydraulic jack; 13-3 is bracing frame; 15-1 is lower cover; 15-2 is horizontal-associate.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made to more explicit defining.
A kind of foldable tunnel rear supporting leg of bridge erecting machine of crossing of the present utility model, comprise folding control device 1, the fixing hinge 2 of rear side, front side moveable hinge 3, outer cylindrical body 4, apparatus for controlling of lifting 5, latch 6, inner cylinder 7, three fraising bearings 8, running mechanism 9, upper horizontal-associate 10, strut 11, middle horizontal-associate 12, bolt device 13, stopping means 14 and crane ' s major girder 15.
As shown in Figure 1, crane ' s major girder 15 adopts rear side to fix two stud connections of hinge 2 and front side moveable hinge 3 with rear support leg; The fixing hinge 2 of rear side comprises free bearing 2-2 under free bearing 2-1 on rear side, rear side hinge 2-2 and rear side as shown in Figure 2, and wherein on rear side, free bearing 2-1 is fixed on the main beam rear end basifacial, and under rear side, free bearing 2-2 is fixed on outer cylindrical body 7 top rear sides; Front side moveable hinge 3 comprises the horizontal free bearing 3-1 in front side, front side bearing pin 3-2 and the perpendicular free bearing 3-2 in front side as shown in Figures 3 and 4.
As shown in Figure 1, be provided with folding control device 1 between the horizontal-associate 15-2 rear side of crane ' s major girder 15 and upper horizontal-associate 10 rear sides; Folding control device 1 comprises folding upper free bearing 1-1, Foldable hydraulic oil cylinder 1-2 and folding lower free bearing 2-2 as shown in Figure 4, wherein folding upper free bearing 1-1 is fixed on the horizontal-associate 15-2 rear side of girder 15, folding lower free bearing is fixed on horizontal-associate 10 rear sides, and Foldable hydraulic oil cylinder 1-2 is connected with folding lower free bearing 2-2 with folding upper free bearing 1-1 by stud connection.
As shown in Figure 1, during Bridge Erector hanging beam, fall beam and via hole vertical shift working condition, the pressure of 15 pairs of rear support legs of crane ' s major girder is by with girder lower cover 15-1 rear side, the outer cylindrical body 4 top end panel 4-1 in contacting all the time pass to rear support leg; The moment of 15 pairs of rear support legs of crane ' s major girder is to relatively rotate to pass to rear support leg by front side moveable hinge 3 and 2 restrictions of rear side fixed hinged seat.
As shown in Figure 3, bolt device 13 comprises latch hinged-support 13-1, latch hydraulic jack 13-2 and bracing frame 13-3.Wherein latch hinged-support 13-1 and bracing frame 13-3 are fixed on horizontal-associate 10 front sides; Latch hydraulic jack 13-2 is connected with the bearing pin 3-3 of front side moveable hinge with latch hinged-support one end by stud connection mode one end.
As shown in Figure 4, the latch hydraulic jack 13-2 of manipulation bolt device 13 extracts the front side bearing pin 3-2 of front side moveable hinge 3; The Foldable hydraulic oil cylinder 1-2 that handles again folding control device 1 shrinks the turn over rear supporting leg of bridge erecting machine that forms of rear support leg is folded and controls design sketch after device by oil cylinder.
As shown in Figure 1, three fraising bearing 8 upper ends are bolted mode and are fixed on inner cylinder 7, and lower end and walking mechanism 9 are passed through stud connection; Both sides combine in apparatus for controlling of lifting 5 by two stud connections.And be provided with stopping means on three hole hinged-supports and walking mechanism.
As shown in Figure 1, outer cylindrical body 4 is to be bolted to connection to form with upper horizontal-associate 10, middle horizontal-associate 12, and strut 11 two ends connect with upper horizontal-associate 10 and are connected with outer cylindrical body 4 by bearing pin, forms the rear support leg door type structure.
As shown in Figure 1, inner cylinder 7 one ends are installed in outer cylindrical body 4 hollow posts chambeies, and the other end is connected with running mechanism 9 by stud connection.Outer cylindrical body 4 and inner cylinder 7 combine by the apparatus for controlling of lifting 5 of adjusting height of landing leg, and the pin shaft hole of some support bearing pins of using with installing that cooperatively interact is set along outer cylindrical body and inner cylinder.As shown in Figure 5, in inner cylinder 7 arranged outside, location lath 7-1 is arranged.
As shown in Figure 4, apparatus for controlling of lifting 5 comprises free bearing 5-1 and lifting hydraulic jack 5-2 in lifting; Wherein in lifting, free bearing 5-1 is fixed on 4 liang of side external surfaces of outer cylindrical body; Lifting hydraulic jack 5-2 is connected with free bearing 5-1 in lifting by stud connection mode one end, and an end is connected with three hole hinged-supports 8.
Foldable each stages operating flow process of crossing the tunnel rear supporting leg of bridge erecting machine is:
At Beam transportation vehicle during to the Bridge Erector feeding beam: after 1. being arranged on rear auxiliary supporting leg on girder and supporting to place, the front side bearing pin that the latch hydraulic jack of handling bolt device is extracted the front side moveable hinge puts in place; 2. by stopping means, running mechanism and three hole hinged-supports are carried out to relative limit; 3. extract latch, the lifting hydraulic jack of operate lifting control device is packed up rear support leg, after putting in place, latch is inserted, and is used for fixing the relative position of outer cylindrical body and inner cylinder; 4. the Foldable hydraulic oil cylinder of handling folding control device shrinks the rear side hinge upwards upset backward around the fixing hinge of rear side by rear support leg by oil cylinder, allows the outlet beam pass through space.
Hanging beam, Luo Liangqian after feeding beam puts in place: 1. handle the Foldable hydraulic oil cylinder of folding control device, by oil cylinder, stretch out the rear side hinge spinning reduction around the fixing hinge of rear side by rear support leg; 2. extract latch, the lifting hydraulic jack of operate lifting control device stretches out rear support leg, after putting in place, latch is inserted, and is used for fixing the relative position of outer cylindrical body and inner cylinder; 3. by stopping means, running mechanism and three hole hinged-supports are carried out to relative limit release; 4. the latch hydraulic jack of handling bolt device is inserted into the front side bearing pin in the moveable hinge of front side, after latch puts in place, then in the wheel both sides of running mechanism, interim pad case is set or sleeper is supported rear support leg, just allow into the hanging beam operation;
At feeding beam, put in place after Hou Luoliang puts in place, during the vertical shift via hole: 1. extract latch, the lifting hydraulic jack of operate lifting control device is packed up rear support leg, after the interim pad case that the wheel both sides of running mechanism are arranged or sleeper remove, the lifting hydraulic jack of operate lifting control device stretches out rear support leg, the wheel of running mechanism is contacted with track, then latch is inserted, fixedly the relative position of outer cylindrical body and inner cylinder; 2. by stopping means, running mechanism and three hole hinged-supports are carried out to relative limit release; 3. handle the running mechanism of rear support leg, carry out the vertical shift via hole of Bridge Erector.
Finally it should be noted that: obviously, above-described embodiment is only for the utility model example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being amplified out thus or change are still among protection domain of the present utility model.
Claims (5)
1. the foldable tunnel rear supporting leg of bridge erecting machine of crossing, it is characterized in that: comprise folding control device (1), the fixing hinge of rear side (2), front side moveable hinge (3), outer cylindrical body (4), apparatus for controlling of lifting (5), latch (6), inner cylinder (7), three fraising bearings (8), running mechanism (9), upper horizontal-associate (10), strut (11), middle horizontal-associate (12), bolt device (13), stopping means (14) and crane ' s major girder (15), described crane ' s major girder (15) adopts stud connection with rear support leg; Be provided with folding control device between horizontal-associate (10) rear side on the horizontal-associate rear side of girder (15) and rear support leg; Described inner cylinder (7) combines by hinge with running mechanism (9).
2. a kind of foldable tunnel rear supporting leg of bridge erecting machine of crossing according to claim 1, it is characterized in that: described folding control device (1) comprises folding upper free bearing on the horizontal-associate that is arranged on girder (15), is arranged on folding lower free bearing and Foldable hydraulic oil cylinder on horizontal-associate (10), described Foldable hydraulic oil cylinder by stud connection on folding between free bearing and folding lower free bearing.
3. a kind of foldable tunnel rear supporting leg of bridge erecting machine of crossing according to claim 1 is characterized in that: before and after described crane ' s major girder (15) bottom rear and rear support leg outer cylindrical body top, both sides are provided with respectively front side moveable hinge (3), fixing cut with scissors (2) of rear side; By means of bearing pin, connect, described front side moveable hinge (3) comprises the horizontal free bearing in front side, the perpendicular free bearing in front side that is fixed on outer cylindrical body (4) front side, top that is fixed on girder (15) bottom rear and passes through the front side bearing pin of stud connection with bolt device (13); The fixing hinge of described rear side (2) comprises and is fixed on free bearing on the basifacial rear side in girder (15) rear end, is fixed on free bearing and rear side hinge under the rear side of outer cylindrical body (4) top rear side.
4. a kind of foldable tunnel rear supporting leg of bridge erecting machine of crossing according to claim 1 is characterized in that: described bolt device (13) comprises the latch hinged-support that is fixed on horizontal-associate (10) front side and bracing frame and the latch hydraulic jack be connected with the front side bearing pin of latch hinged-support and front side moveable hinge (3) by the stud connection mode.
5. a kind of foldable tunnel rear supporting leg of bridge erecting machine of crossing according to claim 1 is characterized in that: described three fraising bearing (8) upper ends are bolted mode, and to be fixed on inner cylinder (7) upper, and lower end and walking mechanism (9) are passed through stud connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320385236.2U CN203373664U (en) | 2013-07-01 | 2013-07-01 | Foldable rear supporting leg of tunnel-through bridge girder erection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320385236.2U CN203373664U (en) | 2013-07-01 | 2013-07-01 | Foldable rear supporting leg of tunnel-through bridge girder erection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203373664U true CN203373664U (en) | 2014-01-01 |
Family
ID=49836209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320385236.2U Expired - Fee Related CN203373664U (en) | 2013-07-01 | 2013-07-01 | Foldable rear supporting leg of tunnel-through bridge girder erection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203373664U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321156A (en) * | 2013-07-01 | 2013-09-25 | 中铁科工集团有限公司 | Foldable through-tunnel bridge girder erection machine rear support leg and application thereof |
| CN103924523A (en) * | 2014-04-23 | 2014-07-16 | 邯郸市北恒工程机械有限公司 | One-arm box girder bridge erecting machine |
| CN106835999A (en) * | 2017-03-31 | 2017-06-13 | 秦皇岛天业通联重工科技有限公司 | A kind of rear supporting leg of bridge erecting machine device |
| CN106835995A (en) * | 2017-03-15 | 2017-06-13 | 中铁大桥局武汉桥梁特种技术有限公司 | Erecting machine supporting leg can be turned down |
| CN106917360A (en) * | 2017-03-15 | 2017-07-04 | 中铁大桥局武汉桥梁特种技术有限公司 | Lift leg formula frame plate machine and its frame plate method |
| CN106939554A (en) * | 2017-03-15 | 2017-07-11 | 中铁大桥局武汉桥梁特种技术有限公司 | Wide body steel main girder erecting machine and beam erecting method |
| CN108560427A (en) * | 2018-05-29 | 2018-09-21 | 中铁工程机械研究设计院有限公司 | Folding telescopic crosses supporting leg and its applying step in tunnel Bridge Erector |
-
2013
- 2013-07-01 CN CN201320385236.2U patent/CN203373664U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321156A (en) * | 2013-07-01 | 2013-09-25 | 中铁科工集团有限公司 | Foldable through-tunnel bridge girder erection machine rear support leg and application thereof |
| CN103924523A (en) * | 2014-04-23 | 2014-07-16 | 邯郸市北恒工程机械有限公司 | One-arm box girder bridge erecting machine |
| CN106835995A (en) * | 2017-03-15 | 2017-06-13 | 中铁大桥局武汉桥梁特种技术有限公司 | Erecting machine supporting leg can be turned down |
| CN106917360A (en) * | 2017-03-15 | 2017-07-04 | 中铁大桥局武汉桥梁特种技术有限公司 | Lift leg formula frame plate machine and its frame plate method |
| CN106939554A (en) * | 2017-03-15 | 2017-07-11 | 中铁大桥局武汉桥梁特种技术有限公司 | Wide body steel main girder erecting machine and beam erecting method |
| CN106835999A (en) * | 2017-03-31 | 2017-06-13 | 秦皇岛天业通联重工科技有限公司 | A kind of rear supporting leg of bridge erecting machine device |
| CN106835999B (en) * | 2017-03-31 | 2020-02-21 | 秦皇岛天业通联重工科技有限公司 | Rear supporting leg device of bridge girder erection machine |
| CN108560427A (en) * | 2018-05-29 | 2018-09-21 | 中铁工程机械研究设计院有限公司 | Folding telescopic crosses supporting leg and its applying step in tunnel Bridge Erector |
| CN108560427B (en) * | 2018-05-29 | 2024-03-08 | 中铁工程机械研究设计院有限公司 | Supporting leg in folding telescopic tunneling bridge girder erection machine and application step thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203373664U (en) | Foldable rear supporting leg of tunnel-through bridge girder erection machine | |
| CN103321156B (en) | Foldable through-tunnel bridge girder erection machine rear support leg and application thereof | |
| CN102373670B (en) | Mobile platform carrying and erecting integrated machine and bridge erecting method | |
| CN104763446A (en) | Multi-functional trolley for subway station construction | |
| CN105089053B (en) | Pile frame and using and mounting method thereof | |
| CN202544854U (en) | Lining trolley for subway station | |
| CN205529914U (en) | Tunnel case roof beam structure bridge crane is crossed to HZQD900 type | |
| CN204278196U (en) | A kind of jacking cylinder underneath type prefabricated subsection box girder inner formwork | |
| CN203978449U (en) | A kind of lifting body of tunnel lining trolley | |
| CN104727228B (en) | Tunnel Bridge Erector telescopic support leg device | |
| CN101979771A (en) | Tower whole movement lifting device | |
| CN203022325U (en) | Tower crane type folding scaffold | |
| CN201420239Y (en) | Hydraulic locking mechanism | |
| CN202000268U (en) | Foldable front outrigger for bridge girder erection machine | |
| CN204283455U (en) | Novel thin coal seam filling hydraulic support | |
| CN206328685U (en) | 900 tons of Bridge Erector low levels of auxiliary nose-girder type cross bale handle arch and use rear lifting-up support | |
| CN204551277U (en) | Tunnel Bridge Erector telescopic support leg device | |
| CN218407452U (en) | Tunnel widening section through type folding hydraulic lining trolley | |
| CN107221879A (en) | Supply line's inspection platform | |
| CN204532374U (en) | The multi-functional chassis of metro station construction | |
| CN207093106U (en) | It is multi-functional to replace shed device | |
| CN202152260U (en) | Engineering plant and propeller strut structure thereof | |
| CN206647120U (en) | Dig the advanced stand device of anchoring integral fully-mechanized digging machine | |
| CN201598977U (en) | A new type of wheeled integral transport drilling rig | |
| CN201442243U (en) | Turbine runner overturning runner piston fixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA RAILWAY ENGINEERING MACHINERY RESEARCH + DES Free format text: FORMER OWNER: CHINA RAILWAY SCIENCE + INDUSTRY GROUP CO., LTD. Effective date: 20150416 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430066 WUHAN, HUBEI PROVINCE TO: 430077 WUHAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150416 Address after: 430077 Hongshan, Wuhan, Xu Xu East Street, No. 55 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 Science & Industry Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20160701 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |