CN2732820Y - Main truss cradle rear-anchor switching device - Google Patents
Main truss cradle rear-anchor switching device Download PDFInfo
- Publication number
- CN2732820Y CN2732820Y CN 200520078649 CN200520078649U CN2732820Y CN 2732820 Y CN2732820 Y CN 2732820Y CN 200520078649 CN200520078649 CN 200520078649 CN 200520078649 U CN200520078649 U CN 200520078649U CN 2732820 Y CN2732820 Y CN 2732820Y
- Authority
- CN
- China
- Prior art keywords
- anchor
- connector
- main truss
- distribution beam
- back anchor
- 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 - Lifetime
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to construction equipment for pouring the cradle of the suspension arm of the box girder of the beam of a pre-stressed concrete bridge, in particular to a main truss cradle rear-anchor switching device, which is characterized in that a jack (3) is provided between an upper distribution beam (1) and a main truss rear anchor board (4); a screw nut (2) is covered on an anchor rod (6); the screw nut (2) is fastened and connected with a fixed bearing mechanism via the main truss rear anchor board (4) which is connected with a moving bearing mechanism via a rear anchor connector (12). The main truss cradle rear-anchor switching device effectively abates the self weight of the cradle, and has simple procedure, low cost and convenient operation.
Description
Technical field
The utility model relates to the Prestressed Concrete Bridges box girder cantilever and builds cradle construction equipment, particularly about anchor conversion equipment behind the main truss cradle.
Background technology
Firm structure of prestressed concrete T type and variable cross-section box type continuous girder bridge are to adopt one of bridge type the most widely in the domestic and international bridge on highway design, and cradle construction equipment is the indispensable equipment that case beam concrete cantilever is built, and the design of main truss cradle anchoring conversion equipment is the key that Hanging Basket equipment guarantees the high-altitude safe operation.External anchoring conversion equipment passes through at pre-buried bar reinforcement of case top surface of the beam or preformed hole, at the main truss afterbody distribution beam is set and carries out anchoring by anchor pole, conversion is changed counter-force to walking dolly by special jack and the buckle that is anchored on the i-beam track, and the Hanging Basket vertical shift overcomes overturning moment by in-migration before the anchoring dolly.Because need embedded bar or preformed hole, operation increases, and has increased construction cost accordingly.Domestic Hanging Basket kind is more, and some has utilized the vertical prestressing of case beam itself to carry out the anchoring of duty, guarantees safety, the therefore corresponding deadweight that increases Hanging Basket equipment but also need at the Hanging Basket afterbody some counterweights to be set.Majority still solves by embedded bar or preformed hole.The anchoring conversion equipment is to utilize jack that the back anchor-hold is given to hook plate behind the Hanging Basket afterbody, and some is provided with the rear fulcrum slideway at the Hanging Basket afterbody, and utilizing counterweight or Hanging Basket crossbeam and template system are moved on to afterbody increases counterweight, guarantees overturning or slip resistance analysis safety.This method operation is comparatively complicated, is easy to generate unsafe factor when the Hanging Basket vertical shift.
Summary of the invention
The purpose of this utility model provides anchor conversion equipment behind a kind of main truss cradle, and it effectively alleviates the Hanging Basket deadweight, and operation is simple, and cost is low and easy to use.
The technical solution of the utility model is: design anchor conversion equipment behind a kind of main truss cradle, it is characterized in that: between the anchor slab 4 jack 3 is being arranged behind last distribution beam 1 and the main truss, be with nut 2 on the anchor pole 6, nut 2 is fastenedly connected by anchor slab behind the main truss 4 and fixing load carrier, and anchor slab 4 is connected with mobile load carrier by back anchor connector 12 behind the main truss.
Described fixedly load carrier is connected and composed by main connector 7, time distribution beam 8, last connector 9, lower connector 10, vertical prestressing bar 11, main connector 7 and following distribution beam 8 are connected by pin, following distribution beam 8, last connector 9 are connected by pin successively with lower connector 10, lower connector 10 and vertical prestressing bar 11 screwed connections, main connector 7 and anchor pole 6 are by screwed connection.
Described mobile load carrier is connected and composed by back anchor distribution beam 13, left-hand thread wheel 14, back anchor pole 5, back anchor dolly 15; Be connected with the back anchor pole 5 of a symmetry on the back anchor distribution beam 13 by pin, back anchor pole 5 and back anchor dolly 15 are connected by pin, back anchor dolly 15 bottoms are connected with left-hand thread wheel 14, left-hand thread wheel 14 rolls with the groove of i-beam track 16 and is connected, and back anchor distribution beam 13 is connected with back anchor connector 12 pins.
Characteristics of the present utility model are: it makes full use of case beam vertical prestressing bar, during loading, carry with fixing load carrier, manually screw the nut 2 of cover on the anchor pole 6, nut 2 is fastenedly connected by anchor slab behind the main truss 4 and fixing load carrier, both the Hanging Basket afterbody had been connected with case beam vertical prestressing bar by anchor pole and had carried out anchoring, when unloaded, the jack that the anchor pole top is provided with carries out the conversion of anchored force and can adjust Hanging Basket cantilever end amount of deflection, unclamp nut 2, anchor slab 4 is connected with mobile load carrier by back anchor connector 12 behind the main truss, be connected with case beam vertical prestressing bar at anchor pole and designed a kind of special connector, can adapt to the error that vertical prestressing bar produces in all directions preferably.The Hanging Basket rear fulcrum is established the anchoring dolly can be in the rolling reach of bottom surface, i-beam track top flange, be connected and anchoring with case beam vertical prestressing bar by the anchor beam that is pressed on the track, thereby cancellation Hanging Basket tail balancing weight, effectively alleviate the Hanging Basket deadweight, thereby the reduction construction costs reaches safe and reliable, conveniently moving, economic and practical purpose.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further.
Fig. 1 is the front view of embodiment;
Fig. 2 is the right side view of embodiment;
Fig. 3 is the left side view of embodiment.
Among the figure: 1, go up distribution beam; 2, nut; 3, jack; 4, anchor slab behind the main truss; 5, back anchor pole; 6, anchor pole; 7, main connector; 8, following distribution beam; 9, go up connector; 10, lower connector; 11, vertical prestressing bar; 12, back anchor connector; 13, back anchor distribution beam; 14, left-hand thread wheel; 15, back anchor dolly; 16, i-beam track.
The specific embodiment
Embodiment is as shown in Figure 1: between the anchor slab 4 jack 3 is being arranged behind last distribution beam 1 and the main truss, be with nut 2 on the anchor pole 6, during loading, jack 3 is inoperative, nut 2 is fastenedly connected by anchor slab behind the main truss 4 and fixing load carrier, fixedly load carrier bears pressure, and fixedly load carrier is connected and composed by anchor pole 6, main connector 7, time distribution beam 8, last connector 9, lower connector 10, vertical prestressing bar 11.
As shown in Figure 2, anchor slab 4 is connected with mobile load carrier by back anchor connector 12 behind the main truss.Mobile load carrier is connected and composed by back anchor distribution beam 13, left-hand thread wheel 14, back anchor pole 5, back anchor dolly 15.When unloaded, jack 3 has played transformation, and this moment, mobile load carrier bore pressure.
As shown in Figure 3, jack 3 is placed on behind distribution beam 1 and the main truss between the anchor slab 4, and nut 2 is enclosed within on the anchor pole 6,
In the middle of construction: 1, the duty (concreting stage) during the Hanging Basket concreting:
In Fig. 1 and Fig. 3, lower connector 10 is threaded with vertical prestressing bar 11, last connector 9 and lower connector 10 pin joints, main connector 7 passes through down, and distribution beam 8 is connected with last connector 9, anchor pole 6, main connector 7 be by screwed connection, by the nut on the anchor pole 62 anchor slab behind the main truss 4 is anchored on the vertical prestressing bar 11 uplift force when overcoming duty.
Duty when 2, the Hanging Basket zero load is mobile:
In Fig. 1 and Fig. 2, back anchor dolly 15 also is connected by pin with left-hand thread wheel 14, and left-hand thread wheel 14 can roll in the groove of i-beam track 16.Back anchor pole 5 two ends respectively with back anchor dolly 15 and back anchor distribution beam 13 pin joints, back anchor connector 12 is connected back anchor distribution beam 13 with anchor slab 4 behind the main truss, transmit because the uplift force of Hanging Basket generation when walking, and guarantees the stability of the overturning or slip resistance analysis when Hanging Basket is walked.
Duty when 3, anchor is changed behind the Hanging Basket:
As Fig. 1, Fig. 2, shown in Figure 3, before Hanging Basket began vertical shift, the uplift force that needs to be anchored at vertical prestressing bar 11 was transferred on the back anchor dolly 15, is born by i-beam track 16, and detailed process is as follows:
Distribution beam 1 in ordinary jack 3 jackings, unclamp nut 2 appropriate locations, slowly oil return of jack 3, after back anchor slab 4 risings uplift force is delivered to back anchor connector 12, back anchor distribution beam 13, back anchor pole 5, back anchor dolly 15, left-hand thread wheel 14 respectively, to i-beam track 16, finish the conversion of Hanging Basket anchoring system at last.
Claims (3)
1, anchor conversion equipment behind the main truss cradle, it is characterized in that: jack (3) is being arranged between the anchor slab (4) behind last distribution beam (1) and the main truss, be with nut (2) on the anchor pole (6), nut (2) is fastenedly connected by anchor slab behind the main truss (4) and fixing load carrier, and anchor slab behind the main truss (4) is connected with mobile load carrier by back anchor connector (12).
2, anchor conversion equipment behind the main truss cradle according to claim 1, it is characterized in that: described fixedly load carrier is connected and composed by main connector (7), time distribution beam (8), last connector (9), lower connector (10), vertical prestressing bar (11), main connector (7) is connected by pin with following distribution beam (8), following distribution beam (8), last connector (9) are connected by pin successively with lower connector (10), lower connector (10) and vertical prestressing bar (11) screwed connection, main connector (7) and anchor pole (6) are by screwed connection.
3, anchor conversion equipment behind the main truss cradle according to claim 1 is characterized in that: described mobile load carrier is connected and composed by back anchor distribution beam (13), left-hand thread wheel (14), back anchor pole (5), back anchor dolly (15); Back anchor distribution beam (13) goes up the back anchor pole (5) that is connected with a symmetry by pin, back anchor pole (5) is connected by pin with back anchor dolly (15), back anchor dolly (15) bottom is connected with left-hand thread wheel (14), left-hand thread wheel (14) rolls with the groove of i-beam track (16) and is connected, and back anchor distribution beam (13) is connected with back anchor connector (12) pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520078649 CN2732820Y (en) | 2005-04-21 | 2005-04-21 | Main truss cradle rear-anchor switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520078649 CN2732820Y (en) | 2005-04-21 | 2005-04-21 | Main truss cradle rear-anchor switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2732820Y true CN2732820Y (en) | 2005-10-12 |
Family
ID=35068662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520078649 Expired - Lifetime CN2732820Y (en) | 2005-04-21 | 2005-04-21 | Main truss cradle rear-anchor switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2732820Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590342A (en) * | 2012-08-16 | 2014-02-19 | 秦皇岛天业通联重工股份有限公司 | Getting-off system of back-tilting-resisting bridging unit and method for utilizing system to perform bridging |
| CN105648915A (en) * | 2015-12-31 | 2016-06-08 | 中国葛洲坝集团第五工程有限公司 | Hanging basket construction device for asymmetric arc-shaped variable cross-section thin wing plate box girder |
| CN109667228A (en) * | 2019-01-24 | 2019-04-23 | 中铁十六局集团第五工程有限公司 | A kind of straight beam formula Hanging Basket and continuous beam cantilever pouring construction method |
| CN110593103A (en) * | 2019-05-28 | 2019-12-20 | 中国路桥工程有限责任公司 | Multipoint adjustable hanging basket device and bridge construction process |
-
2005
- 2005-04-21 CN CN 200520078649 patent/CN2732820Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590342A (en) * | 2012-08-16 | 2014-02-19 | 秦皇岛天业通联重工股份有限公司 | Getting-off system of back-tilting-resisting bridging unit and method for utilizing system to perform bridging |
| CN103590342B (en) * | 2012-08-16 | 2016-09-14 | 秦皇岛天业通联重工科技有限公司 | The system of getting off of the bridge formation unit of a kind of anti-hypsokinesis and utilize its method carrying out building bridge |
| CN105648915A (en) * | 2015-12-31 | 2016-06-08 | 中国葛洲坝集团第五工程有限公司 | Hanging basket construction device for asymmetric arc-shaped variable cross-section thin wing plate box girder |
| CN109667228A (en) * | 2019-01-24 | 2019-04-23 | 中铁十六局集团第五工程有限公司 | A kind of straight beam formula Hanging Basket and continuous beam cantilever pouring construction method |
| CN109667228B (en) * | 2019-01-24 | 2024-02-02 | 中铁十六局集团第五工程有限公司 | Straight beam type hanging basket and continuous beam cantilever pouring construction method |
| CN110593103A (en) * | 2019-05-28 | 2019-12-20 | 中国路桥工程有限责任公司 | Multipoint adjustable hanging basket device and bridge construction process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201250385Y (en) | Rear support long cantilevered traveling carriage system for cable-stayed bridge cantilever casting | |
| CN103074854B (en) | Rear supporting point triangular bracket hanging basket and bridge construction method using same | |
| CN106436557B (en) | Method for improving anti-overturning performance of single-pier bridge | |
| CN1916289A (en) | Diamond shaped cradle in truss type | |
| CN103048207B (en) | Combined torsional experiment device | |
| CN207032041U (en) | Variable Section Steel box beam pushing tow combines the unit | |
| CN106948268A (en) | Variable Section Steel box beam pushing tow is combined the unit and application method | |
| CN102530732A (en) | Hydraulic hoisting, slipping and emplacing method and equipment for large scale press components | |
| CN2732820Y (en) | Main truss cradle rear-anchor switching device | |
| CN1850576A (en) | Technological method for hoisting special large-sized equipment using rotary balance process | |
| CN101537976A (en) | Dual-tower-mast giant self-lifting crane and following-carrying lifting method thereof | |
| CN101503908B (en) | Construction method for spacing suspension cable structural template support platform | |
| CN2597531Y (en) | Single rope face tracting rope hanging cage | |
| CN201376848Y (en) | Large-scale double-tower automatic-elevation hoisting equipment | |
| CN110396931A (en) | A kind of excessively cable-styled erection crane of center double plane cable stayed bridge and its construction method | |
| CN103669217A (en) | Hanging basket with rear fulcrum and transverse moving method for integral range replacement of hanging basket with rear fulcrum | |
| CN210856948U (en) | Cable-passing type bridge floor crane for central double-cable-plane cable-stayed bridge | |
| CN202755311U (en) | Novel through-supported cradle in cantilever construction | |
| CN110820566A (en) | Corrugated steel web part bearing type hanging basket suspension casting construction method | |
| CN203583378U (en) | Floor plate truss trolley for mounting bridge deck slab of composite structure bridge | |
| CN206328668U (en) | A kind of prefabricated bent cap shell component of huge thin-walled | |
| CN201297040Y (en) | Pre-stress stretching bracket | |
| CN110820567A (en) | Bearing type hanging basket for PC box girder part with corrugated steel web plate | |
| CN2801872Y (en) | Moving device of hanging basket main truss front supporting point | |
| CN212505899U (en) | Lightweight prestressing trackless construction hanging basket |
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 ROAD + BRIDGE ENGINEERING CO., LTD. Free format text: FORMER OWNER: ROAD AND BRIDGE GROUP, THE SECOND ROAD WORKERS BUREAU Effective date: 20090605 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090605 Address after: Department of enterprise development, No. 88, No. 3, Anwai street, Beijing, zip code: 100011 Co-patentee after: No.2 Road Engineering Bureau, Luqiao Group Patentee after: China Luqiao Engineering Co., Ltd. Address before: Shaanxi province Xi'an City Road eight No. 262 Luqiao Group Second Highway Engineering Bureau of Technology Development Department, zip code: 710065 Patentee before: No.2 Road Engineering Bureau, Luqiao Group |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: The Third Engineering Co., Ltd. of CCCC. Second Highway Engineering Bureau Assignor: Zhong Zhong Second Highway Engineering Bureau Contract fulfillment period: 2009.4.5 to 2015.4.4 Contract record no.: 2009610000040 Denomination of utility model: Main truss cradle rear-anchor switching device Granted publication date: 20051012 License type: Exclusive license Record date: 20091124 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.4.5 TO 2015.4.4; CHANGE OF CONTRACT Name of requester: CCCC-SHB THIRD HIGHWAY ENGINEERING CO. LTD. Effective date: 20091124 |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100011 Beijing An Wai Avenue No. 88 C Enterprise Development Department Co-patentee after: Zhongjiao Second Highway Engineering Bureau Co., Ltd. Patentee after: China Road & Bridge Corporation Address before: 100011 Beijing An Wai Avenue No. 88 C Enterprise Development Department Co-patentee before: No.2 Road Engineering Bureau, Luqiao Group Patentee before: China Road & Bridge Corporation |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150421 Granted publication date: 20051012 |