CN202755313U - Tunnel portal short-distance girder-erecting and tunnel-passing bridge-erecting machine - Google Patents
Tunnel portal short-distance girder-erecting and tunnel-passing bridge-erecting machine Download PDFInfo
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- CN202755313U CN202755313U CN 201220362389 CN201220362389U CN202755313U CN 202755313 U CN202755313 U CN 202755313U CN 201220362389 CN201220362389 CN 201220362389 CN 201220362389 U CN201220362389 U CN 201220362389U CN 202755313 U CN202755313 U CN 202755313U
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Abstract
The utility model relates to a tunnel portal short-distance girder-erecting and tunnel-passing bridge-erecting machine and belongs to the technical field of box girder bridge-erecting machines. The tunnel portal short-distance girder-erecting and tunnel-passing bridge-erecting machine mainly solves the problems of complex operation procedures, low efficiency, low safety coefficient and high equipment cost of an existing transporting and erecting all-in-one machine and an existing transporting and erecting separator. The tunnel portal short-distance girder-erecting and tunnel-passing bridge-erecting machine is mainly characterized in that concrete box girders can be erected in a head hole larger than 4m outside a tunnel portal and a tail hole in a tunnel, and the tunnel portal short-distance girder-erecting and tunnel-passing bridge-erecting machine can pass through the tunnel under packing of a matched girder transporting vehicle. A main beam of the tunnel portal short-distance girder-erecting and tunnel-passing bridge-erecting machine is used for bearing movement load, a front supporting leg, an O-shaped leg, a C-shaped leg and a packing supporting leg are used for supporting the main beam and transferring the load to the ground or the bridge surface, a rail is used for supporting traveling of the O-shaped leg and the C-shaped leg, front/back hosting crown blocks are used for hoisting and erecting the concrete box girders, and an electro-hydraulic system is used for executing and controlling actions.
Description
Technical field
The utility model belongs to box beam Bridge Erector technical field, is specifically related to the 900t level railway box beam bridge formation machine of closely setting a roof beam in place a kind of safe, convenient, practical tunnel face.
Background technology
Along with railway construction southwester, the propelling of the Northwest, the operating mode of bridge construction becomes increasingly complex, and needs to realize the railway bridge erecting machine of closely setting a roof beam in place in the tunnel face.At present the domestic and abroad bridge spanning equipment can realize that the Bridge Erector (integration of transporting and building machine and fortune frame separator) of closely setting a roof beam in place the tunnel face all is furnished with lower nose girder, and its complicated via hole program causes that the complete machine efficiency of construction is low, security reliability is poor and equipment cost is high.
Summary of the invention
The purpose of this utility model is exactly that design for above-mentioned weak point a kind of closely sets a roof beam in place for railway tunnel hole, and has excessively tunnel Bridge Erector simple in structure, that operation convenient, safe and reliable, cost performance is high.
Technical solution of the present utility model is: the excessively tunnel Bridge Erector of closely setting a roof beam in place in a kind of tunnel face, comprise girder, the supporting leg that is used for support girder, be arranged on track and hoisting overhead travelling crane on the girder, also comprise electrohydraulic system, it is characterized in that: described hoisting overhead travelling crane comprises for concrete box girder lifting and the rear hoisting overhead travelling crane that sets up and front hoisting overhead travelling crane; Described supporting leg comprises the front leg strut that is arranged on the girder front end, is arranged on the O type leg at girder middle part, is arranged on the C type leg of main beam rear end and packs supporting leg; Front leg strut is provided with and becomes telescopic column, the turnover mechanism of striding mechanism and hydraulic pressure support; O type leg bottom arranges hydraulic jack in parallel; Packing supporting leg is the box beam structure, packs supporting leg and girder and adopts fining twisted steel to carry out anchoring.Girder is used for the carrying traveling load; Front leg strut, O type leg, C type leg, pack supporting leg and be used for support girder and transmit load to roadbed or bridge floor; Track is used for supporting the walking of O type leg, C type leg; Front/rear hoisting overhead travelling crane is used for the lifting of concrete box girder and sets up; Electrohydraulic system is used for carrying out the also realization of control action.
Girder described in the utility model technical solution is comprised of five sections and front and back contact beam, and the depth of section of girder sections is no more than 2.2m, and the girder section pattern is that upper and lower cover plates is the 45mm slab, and web is the 16mm slab.
Front leg strut described in the utility model technical solution is arranged on the girder front end, possesses to become to stride function, is made of gear changing group, drive motors; Switching mechanism is turning device and the hydraulic system that is arranged on the front leg strut hypomere, utilizes hydraulic jack to realize upset.
O type leg described in the utility model technical solution is arranged on the middle part of girder, and it comprises saddle beam, curved beam and cart walking mechanism, is arranged symmetrically with gauge 6m; Cart walking mechanism forms by walking driving frame, bearing, casting wheel and driving mechanism.
C type leg described in the utility model technical solution is arranged on the girder rear portion, and the bottom is provided with the driven running mechanism of C type leg that forms by walking driving frame, bearing, casting vehicle wheel.
The supporting leg of packing described in the utility model technical solution is installed on the supporting 900t level Beam transportation vehicle, gets Liang Shiqi and uses as supporting leg.
Track described in the utility model technical solution places ground or bridge floor.
Front/rear hoisting overhead travelling crane described in the utility model technical solution is comprised of hoist engine, purlin bassinet structure, purlin car running mechanism, purlin car driving mechanism, mobile crane, suspender.
Driving in the electrohydraulic system described in the utility model technical solution, elevator adopt electricity to drive variable frequency control; Upset, translation adopt oil cylinder to carry out.
The utility model is provided with turning device at front leg strut, O type leg, C type leg place, when crossing the tunnel, only need simply disassemble bolt connecting coupling and can realize upset, complete machine cross section area occupied is less after the upset, under the packing of Beam transportation vehicle, the tunnel can be entered to pass through smoothly, and the requirement of setting up of the continuous first, last hole, position of bridge tunnel concrete box girder can be satisfied.The Bridge Erector traveling on the railway roadbed bottom surface, can be satisfied the primary concreting forming requirements of tunnel bottom when Bridge Erector set up first hole concrete box girder in the tunnel.Bridge Erector can be crossed abutment after passing through the tunnel smoothly, realizes setting up of the second hole case beam.This Bridge Erector adopts two straddle types without lower nose girder structure, and two overhead traveling cranes are striden the lifting beam sheet rear one simultaneously and run to last capable the setting up that step into.Via hole adopts without the direct cantilever via hole of counterweight mode.
By in O type leg bottom hydraulic jack in parallel being set, utilize law of connected vessels realized before and after the producing balanced forces of cart walking mechanisms, reduced the one-level balance frame, reduce the height of Bridge Erector complete machine, realize Bridge Erector in the tunnel feeding beam, get beam
,The bale handle operation, thus realize the requirement of closely setting a roof beam in place and packed tunnel in the tunnel face.
Good effect of the present utility model is: solved under the MODEL OVER COMPLEX TOPOGRAPHY that general Bridge Erector can't adapt to the closely difficult problem of first, last hole concrete box erection of tunnel face, adopted cantilever via hole, simple in structure, easy to operate.Its operation of nose-girder bridging machine is simple, safe and reliable; Than the integration of transporting and building machine, work efficiency is high, cost performance is high.
The utility model is mainly used in the railway box beam bridge formation machine of closely setting a roof beam in place the tunnel face.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of forward and backward hoisting overhead travelling crane.
Fig. 3 is the utility model state one schematic diagram of setting a roof beam in place.
Fig. 4 is the utility model state two schematic diagrames of setting a roof beam in place.
Fig. 5 is the utility model state three schematic diagrames of setting a roof beam in place.
Fig. 6 is the utility model tunnel face profile of setting a roof beam in place.
Fig. 7 is packed the state profile in the utility model tunnel.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
As shown in Figure 1 and Figure 2.The utility model by girder 1, rear hoisting overhead travelling crane 2, front hoisting overhead travelling crane 3, front leg strut 4, O type leg 5, C type leg 6, pack supporting leg 7, electric hydraulic system 8 forms.
Girder 1 is comprised of five sections and front and back contact beam, is the main load parts of Bridge Erector.
Rear hoisting overhead travelling crane 2, front hoisting overhead travelling crane 3 are comprised of hoist engine 9, purlin bassinet structure 10, purlin car running mechanism 11, purlin car driving mechanism 12, mobile crane 13, suspender 14, are used for the concrete box girder lifting and set up.
O type leg 5 is located at girder 1 middle part, and O type leg 5 bottoms are provided with cart walking mechanism, are arranged symmetrically with center to center distance 6m.Cart walking mechanism forms by walking driving frame, bearing, casting wheel and driving mechanism.O type leg 5 is Bridge Erector main support leg, is used for Bridge Erector carrying and via hole, and wheel does not stress when setting a roof beam in place.
C type leg 6 is located at girder 1 rear portion, and C type leg 6 lower ends are provided with the driven running mechanism of C type leg that forms by walking driving frame, bearing, casting wheel etc., is used for supporting the driven via hole of Bridge Erector.
Pack supporting leg 7 and be located at girder 1 rear portion, pack supporting leg 7 and be the box beam structure, itself and girder 1 adopt fining twisted steel to carry out anchoring.Pack supporting leg 7 for the Bridge Erector parts but be installed on the Beam transportation vehicle, the load when being used for bearing hoisting overhead travelling crane 2 and front hoisting overhead travelling crane 3 and getting beam, by Beam transportation vehicle divide be loaded in roadbed or the sheet of having set a roof beam in place on, guarantee to have set a roof beam in place body safety.
The work flow of Bridge Erector via hole is: forward and backward hoisting overhead travelling crane 3,2 runs to the Bridge Erector tail balancing weight, the front leg strut latch is extracted, pack up front leg strut 4, this moment, front leg strut 4 left bridge pier, Bridge Erector drives running mechanism by the driven running mechanism of C type leg and O type leg and supports, and walks forward at O type leg driving running mechanism driving lower cantalever and realizes the via hole operation.
The work flow of girder erection by bridging machine (such as Fig. 3 to shown in Figure 5) is: front/rear hoisting overhead travelling crane 3,2 moves to gets the beam position, after Beam transportation vehicle is packed the beam sheet and put in place, props and packs supporting leg 7, front/rear hoisting overhead travelling crane 3, the 2 beam sheet of slinging simultaneously; Run to afterwards last striding, the beam sheet is set up in the decline contraposition.
As shown in Figure 6.This Bridge Erector is when setting up first hole, tunnel face, and one in the tunnel behind the Bridge Erector, and rear hoisting overhead travelling crane 2 and front hoisting overhead travelling crane 3 can be striden by rear one the beam sheet is transported to last striding, and finish closely setting up of first hole beam sheet of tunnel face.
As shown in Figure 7.This Bridge Erector can be packed by Beam transportation vehicle and pass through the tunnel.
Claims (8)
1. tunnel face tunnel Bridge Erector of closely setting a roof beam in place, comprise girder (1), the supporting leg that is used for support girder (1), be arranged on track and hoisting overhead travelling crane on the girder (1), it is characterized in that: described hoisting overhead travelling crane comprises for concrete box girder lifting and the rear hoisting overhead travelling crane (2) that sets up and front hoisting overhead travelling crane (3); Described supporting leg comprises the front leg strut (4) that is arranged on the girder front end, is arranged on the O type leg (5) at girder middle part, is arranged on the C type leg (6) of main beam rear end and packs supporting leg (7); Front leg strut (4) is provided with and becomes telescopic column, the switching mechanism of striding mechanism and hydraulic pressure support; O type leg (5) bottom arranges hydraulic jack in parallel; Pack supporting leg (7) and be the box beam structure, pack supporting leg and girder (1) and adopt fining twisted steel to carry out anchoring.
2. the tunnel face according to claim 1 tunnel Bridge Erector of closely setting a roof beam in place, it is characterized in that: described girder (1) is comprised of five sections and front and back contact beam, the depth of section of girder sections is no more than 2.2m, the girder section pattern is that upper and lower cover plates is the 45mm slab, and web is the 16mm slab.
3. the tunnel face according to claim 1 tunnel Bridge Erector of closely setting a roof beam in place, it is characterized in that: the change of described front leg strut (4) is striden mechanism and is made of gear changing group, drive motors; Switching mechanism is for being arranged on turning device and the hydraulic system in the middle part of the front leg strut (4).
4. the tunnel face according to claim 1 tunnel Bridge Erector of closely setting a roof beam in place, it is characterized in that: described O type leg (5) is arranged on the middle part of girder, and it comprises saddle beam, curved beam and cart walking mechanism, is arranged symmetrically with gauge 6m; Cart walking mechanism forms by walking driving frame, bearing, casting wheel and driving mechanism.
5. the tunnel face according to claim 1 tunnel Bridge Erector of closely setting a roof beam in place is characterized in that: described C type leg (6) bottom is provided with the driven running mechanism of C type leg that forms by walking driving frame, bearing, casting vehicle wheel.
6. the tunnel face according to claim 1 tunnel Bridge Erector of closely setting a roof beam in place, it is characterized in that: the described supporting leg (7) of packing is installed on the Beam transportation vehicle.
7. the tunnel face according to claim 1 tunnel Bridge Erector of closely setting a roof beam in place, it is characterized in that: described track places ground or bridge floor.
8. the tunnel face according to claim 1 tunnel Bridge Erector of closely setting a roof beam in place, it is characterized in that: described rear hoisting overhead travelling crane (2), front hoisting overhead travelling crane (3) form by hoist engine (9), purlin bassinet structure (10), purlin car running mechanism (11), purlin car driving mechanism (12), mobile crane (13), suspender (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220362389 CN202755313U (en) | 2012-07-25 | 2012-07-25 | Tunnel portal short-distance girder-erecting and tunnel-passing bridge-erecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220362389 CN202755313U (en) | 2012-07-25 | 2012-07-25 | Tunnel portal short-distance girder-erecting and tunnel-passing bridge-erecting machine |
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| CN202755313U true CN202755313U (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220362389 Expired - Lifetime CN202755313U (en) | 2012-07-25 | 2012-07-25 | Tunnel portal short-distance girder-erecting and tunnel-passing bridge-erecting machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233430A (en) * | 2013-04-02 | 2013-08-07 | 中铁科工集团有限公司 | Laser ranging-based automatic navigation system for box girder transporting and erecting all-in-one machine for passing tunnel |
| CN103966954A (en) * | 2014-04-18 | 2014-08-06 | 中交隧道工程局有限公司 | Intra-tunnel girder erection device and method |
| CN104806026A (en) * | 2015-02-25 | 2015-07-29 | 成都格瑞思文化传播有限公司 | Precast beam mounting structure |
| CN105755964A (en) * | 2016-04-26 | 2016-07-13 | 郑州新大方重工科技有限公司 | Low-level bridge erection machine for erecting high-speed railway bridge |
| CN106592444A (en) * | 2017-01-24 | 2017-04-26 | 浙江中建路桥设备有限公司 | Novel single-beam bridge erecting machine |
| CN110273375A (en) * | 2018-03-17 | 2019-09-24 | 中国铁路总公司 | A kind of Bridge Erector |
-
2012
- 2012-07-25 CN CN 201220362389 patent/CN202755313U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233430A (en) * | 2013-04-02 | 2013-08-07 | 中铁科工集团有限公司 | Laser ranging-based automatic navigation system for box girder transporting and erecting all-in-one machine for passing tunnel |
| CN103233430B (en) * | 2013-04-02 | 2015-03-18 | 中铁科工集团有限公司 | Automatic navigation system and operation method thereof |
| CN103966954A (en) * | 2014-04-18 | 2014-08-06 | 中交隧道工程局有限公司 | Intra-tunnel girder erection device and method |
| CN104806026A (en) * | 2015-02-25 | 2015-07-29 | 成都格瑞思文化传播有限公司 | Precast beam mounting structure |
| CN105755964A (en) * | 2016-04-26 | 2016-07-13 | 郑州新大方重工科技有限公司 | Low-level bridge erection machine for erecting high-speed railway bridge |
| CN106592444A (en) * | 2017-01-24 | 2017-04-26 | 浙江中建路桥设备有限公司 | Novel single-beam bridge erecting machine |
| CN106592444B (en) * | 2017-01-24 | 2018-11-06 | 浙江中建路桥设备有限公司 | A kind of novel single-beam type Bridge Erector |
| CN110273375A (en) * | 2018-03-17 | 2019-09-24 | 中国铁路总公司 | A kind of Bridge Erector |
| CN110273375B (en) * | 2018-03-17 | 2021-03-12 | 中国铁路总公司 | Bridge erecting machine |
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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: THE SIXTH ENGINEERING CO., LTD. OF CHINA RAILWAY 1 Free format text: FORMER OWNER: THE SIXTH ENGINEERING CO., LTD. OF CHINA RAILWAY 11 CIVIL Effective date: 20140311 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430071 WUHAN, HUBEI PROVINCE TO: 430062 WUHAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140311 Address after: 430062 No. 227, Wuchang, Wuhan District, Hubei, Zhongshan Road Patentee after: CHINA RAILWAY 11 BUREAU GROUP Co.,Ltd. Patentee after: THE 6TH ENGINEERING CO.,LTD. OF CHINA RAILWAY 11 BUREAU Group Patentee after: CHINA RAILWAY 11 BUREAU HANJIANG HEAVY INDUSTRY CO.,LTD. Address before: 430071 Hubei city of Wuhan province Wuchang Zhongshan Road District No. 347 Patentee before: CHINA RAILWAY 11 BUREAU GROUP Co.,Ltd. Patentee before: THE 6TH ENGINEERING CO.,LTD. OF CHINA RAILWAY 11 BUREAU Group |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130227 |
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| CX01 | Expiry of patent term |