CN204023412U - The assembled Bridge Erector of a kind of precast segmental beam - Google Patents
The assembled Bridge Erector of a kind of precast segmental beam Download PDFInfo
- Publication number
- CN204023412U CN204023412U CN201420373066.0U CN201420373066U CN204023412U CN 204023412 U CN204023412 U CN 204023412U CN 201420373066 U CN201420373066 U CN 201420373066U CN 204023412 U CN204023412 U CN 204023412U
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- Prior art keywords
- girder
- bridge erector
- hanging basket
- assembled bridge
- precast segmental
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Abstract
The utility model relates to the assembled Bridge Erector of a kind of precast segmental beam, comprise the supporter of beam body and beam body, described beam body comprises girder and is connected to the nose girder of girder front end, described girder is provided with overhead traveling crane loop wheel machine, described girder is provided with along its length the Hanging Basket that several can be opened or close up, described Hanging Basket is pocketed when closing up and bottom pocketed, is provided with the supporting part of beam sections, and described supporting part is positioned at below girder.The utility model have employed several Hanging Baskets that can open or close up and is connected on girder, with overhead traveling crane loop wheel machine some sections of beam sections lifted by crane from the opening part of this Hanging Basket when one of them Hanging Basket is opened and winch to other Hanging Baskets closed up, adopt these Hanging Baskets as after the support of beam sections, avoid the unsettled construction of the splicing of each beam sections, reduce the risk of operation, and due to without the need to unsettled construction, also without the need to strengthening main girder structure, reduce the difficulty of construction.The utility model can be applicable to bridge erection.
Description
Technical field
The utility model relates to bridge erection field, particularly relates to the assembled Bridge Erector of a kind of precast segmental beam.
Background technology
Precast segmental beam continuous rigid frame bridge along in road built on stilts lay time, basic requirement is can not block this road existing wagon flow construction period current.In order to reach this object, domestic conventional segmental beam bridge erecting machine is according to every hole prefabricated subsection quantity configuration sections suspension centre, and all prefabricated joint blocks hang spelling by hoisting machine is unsettled, and after the complete freely-supported prestressing force of stretch-draw, entirety falls beam.
But above-mentioned construction method has shortcomings, such as:
1) beam sections is unsettled hangs spelling, and security risk is larger;
2) traditional Bridge Erector body housing is higher, and wind loading rating is weak;
3) traditional Bridge Erector aerial stretch-draw concrete beam after load all concentrates on two ends suspension centre, and greatly need strengthen the lift heavy function of this two suspension centre, and therefore two suspension centre overburden risings concentrate on crane ' s major girder (truss), need strengthening main girder structure for this reason;
4) have wet seam and Dun Ding ater-casting, complex process, the construction period is long, and affects bridge integrity.
Utility model content
In order to overcome above-mentioned technical problem, the purpose of this utility model is to provide a kind of handling safety, simply and easily precast segmental beam assembled Bridge Erector.
The technical scheme that the utility model adopts is:
The assembled Bridge Erector of a kind of precast segmental beam, comprise the supporter of beam body and beam body, described beam body comprises girder and is connected to the nose girder of girder front end, described girder is provided with overhead traveling crane loop wheel machine, described girder is provided with along its length the Hanging Basket that several can be opened or close up, described Hanging Basket is pocketed when closing up and bottom pocketed, is provided with the supporting part of beam sections, and described supporting part is positioned at below girder.
As the further improvement of technique scheme, described Hanging Basket comprises two relatively and the upper arm of symmetry, and the top of described upper arm is flexibly connected with girder, the mutual split of end relative bottom two upper arms when described Hanging Basket closes up.
As the further improvement of technique scheme, the end bottom described each upper arm is respectively equipped with bracket, two brackets mutual split when described Hanging Basket closes up thus formed supporting part.
As the further improvement of technique scheme, described Hanging Basket is supporting is provided with closing device, described closing device comprise be arranged on girder two back to hydraulic cylinder, the output of described each hydraulic cylinder connect a upper arm thus control two upper arms separately and split.
As the further improvement of technique scheme, described supporter comprises nose girder supporter and girder supporter, and described nose girder supporter comprises the nose girder supporting leg be connected with nose girder basal sliding.
As the further improvement of technique scheme, described girder supporter comprises rear support leg and front leg strut, and described rear support leg is fixed on girder rear portion, and described front leg strut is positioned at rear support leg front.
As the further improvement of technique scheme, the bottom of described front leg strut and rear support leg can upwards indentation or folding thus adjustment bearing height.
As the further improvement of technique scheme, described beam body is supporting is provided with the translating device making the movement along its length of beam body.
As the further improvement of technique scheme, described translating device comprises the rear dolly at support girder rear portion, and described rear dolly to be arranged in beam sections and to have movable stroke relative to beam sections.
As the further improvement of technique scheme, described translating device be included in rear dolly front for dolly before support girder, described front dolly to be arranged in beam sections and to have movable stroke relative to girder.
The beneficial effects of the utility model are: the utility model have employed several Hanging Baskets that can open or close up and is connected on girder, with loop wheel machine some sections of beam sections lifted by crane from the opening part of this Hanging Basket when one of them Hanging Basket is opened and winch to other Hanging Baskets closed up, adopt these Hanging Baskets as after the support of beam sections, avoid the unsettled construction of the splicing of each beam sections, reduce the risk of operation, and due to without the need to unsettled construction, also without the need to strengthening main girder structure, reduce the difficulty of construction.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the operating mode schematic diagram that in Fig. 1, Hanging Basket closes up;
Fig. 3 is the schematic diagram of rear support leg in Fig. 1;
Fig. 4 is the schematic diagram of front leg strut in Fig. 1;
Fig. 5 is the schematic diagram of nose girder supporting leg in Fig. 1;
Fig. 6 is segmentation beam lifting schematic diagram;
Fig. 7 is the operating mode schematic diagram that in Fig. 6, Hanging Basket is opened;
Fig. 8 is beam body translation schematic diagram;
Fig. 9 is the operating mode schematic diagram of rear dolly in Fig. 8;
Figure 10 is the operating mode schematic diagram of front dolly in Fig. 8;
Figure 11 is that the translation of beam body puts in place schematic diagram.
Detailed description of the invention
The assembled Bridge Erector of precast segmental beam as shown in Fig. 1 to 5, comprises the supporter of beam body and beam body, and beam body comprises and being made up of girder 1 and the nose girder 2 being connected to girder 1 front end.Girder 1 is provided with overhead traveling crane loop wheel machine 3, this overhead traveling crane loop wheel machine 3 can move along girder 1 length direction.Girder 1 is provided with along its length the Hanging Basket 4 that several can be opened or close up.As shown in Figure 2, be pocketed when Hanging Basket 4 closes up and bottom pocketed, be provided with the supporting part of beam sections, supporting part is positioned at below girder 1.As shown in Figure 7, Hanging Basket 4 when opening bottom form an opening, by overhead traveling crane loop wheel machine 3, beam sections 11 upwards can be lifted.
As shown in Figure 2 and Figure 7, in the present embodiment, Hanging Basket 4 comprises two relatively and the upper arm 31 of symmetry, the mutual split of end relative bottom two upper arms 31 when Hanging Basket 4 closes up.As preferably, the end bottom two upper arms 31 is respectively equipped with bracket 32, two brackets 32 split thus form the supporting part of segmentation beam mutually when Hanging Basket 4 closes up.The folding of Hanging Basket 4 is realized by following closing device: girder 1 is provided with two hydraulic cylinders 5, the output of this two hydraulic cylinder 5 back to, the output of each hydraulic cylinder 5 connects a upper arm 31, ejecting of hydraulic cylinder 5 makes upper arm 31 separate to left and right two ends, the contraction of hydraulic cylinder 5 makes upper arm 31 gather split to centre, thus controls separating and split of Hanging Basket 4.The top of upper arm 31 can realize being flexibly connected with girder 1 by guide rail or slide block or other modes, the stroke making self have to move left and right.
As Fig. 1,3, shown in 4 and 5, the supporter in the present embodiment comprises nose girder supporter and girder supporter, and nose girder supporter is the nose girder supporting leg 6 be connected with nose girder 2 basal sliding.Girder supporter comprises rear support leg 7 and front leg strut 8, and rear support leg 7 is fixed on girder 1 rear portion, and front leg strut 8 is positioned at rear support leg 7 front, and the bottom of front leg strut 8 and rear support leg 7 can upwards indentation or folding thus adjustment bearing height.As shown in Figure 3, rear support leg 7 is divided into upper and lower two parts, and top and girder 1 are fixed, and lower support is on 1# pier 12, and the form that oil cylinder or cylinder formed at top and bottom makes upper and lower can relative constriction thus adjust its bearing height.As shown in Figure 4, front leg strut 8 is divided into upper and lower equally, and top and girder 1 are fixed, and lower support is on 2# pier 13, and the form that oil cylinder or cylinder formed at top and bottom makes upper and lower can relative constriction thus adjust its bearing height.
As seen in figs. 8-10, in the present embodiment, when Bridge Erector needs to move along its length, beam body is equipped with translating device.As shown in Figure 9, translating device comprises the rear dolly 9 at support girder 1 rear portion, and rear dolly 9 to be arranged in beam sections 11 and to have movable stroke relative to beam sections 11.As shown in Figure 10, translating device be also included in rear dolly 9 front for dolly 10 before support girder 1, front dolly 10 to be arranged in beam sections 11 and to have movable stroke relative to girder 1.
Below the Bridge Erector course of work in the present embodiment is gone on to say.
(1) as shown in Fig. 1 to 5, install Bridge Erector on temporary rest pier, rear support leg 7 is supported with on 1# pier 12, and front leg strut 8 is supported on 2# pier 13, and nose girder supporting leg 6 is supported on 3# pier 14, and all Hanging Baskets 4 close up;
(2) precompressed is carried out to Bridge Erector, revise camber, adjust linear;
(3) as shown in Figure 6, the Hanging Basket of overhead traveling crane loop wheel machine 3 position is opened, utilize overhead traveling crane loop wheel machine 3 by before backward successively block-by-block lift beam sections 11, the Hanging Basket that each beam sections 11 is closed up by rear supports;
(4) each beam sections 11 end face is coated with epoxy resin, successively fastening beam section;
(5) each beam sections 11 connects into entirety (beam sections 11 of rear and front end drops down onto on 1# pier 12 and 2# pier 13);
(6) as seen in figs. 8-10, dolly 10, rear dolly 9 before integrant beam sections 11 is installed, front dolly 10 is positioned at the overall front end of beam sections 11, and rear dolly 9 is positioned at rear end;
(7) front leg strut 8 and rear support leg 7 is shunk; Complete machine load system transform is on nose girder supporting leg 6 and front dolly 10, rear dolly 9;
(8) as shown in Figure 7, Hanging Basket 4 falls and opens;
(9) front dolly 10 and rear dolly 9 pushing beam body shifted forward, now nose girder 2 and nose girder supporting leg 6 push up and slide;
(10) as shown in figure 11, after translation puts in place, rear support leg 7 and front leg strut 8 stretch out, and rear support leg 7 supports the front end with beam sections 11 entirety, and front leg strut 8 is supported on 2# pier 13;
(11) nose girder supporting leg 6 moves ahead until to drop on after arriving 4# pier 15 on 4# pier 15 and to continue to support nose girder 2(not shown).
The above be the utility model preferred embodiment, it does not form the restriction to the utility model protection domain.
Claims (10)
1. the assembled Bridge Erector of precast segmental beam, comprise the supporter of beam body and beam body, it is characterized in that: described beam body comprises girder and is connected to the nose girder of girder front end, described girder is provided with overhead traveling crane loop wheel machine, described girder is provided with along its length the Hanging Basket that several can be opened or close up, described Hanging Basket is pocketed when closing up and bottom pocketed, is provided with the supporting part of beam sections, and described supporting part is positioned at below girder.
2. the assembled Bridge Erector of precast segmental beam according to claim 1, it is characterized in that: described Hanging Basket comprises two relatively and the upper arm of symmetry, the top of described upper arm is flexibly connected with girder, the mutual split of end relative bottom two upper arms when described Hanging Basket closes up.
3. the assembled Bridge Erector of precast segmental beam according to claim 2, is characterized in that: the end bottom described each upper arm is respectively equipped with bracket, two brackets mutual split when described Hanging Basket closes up thus formed supporting part.
4. the assembled Bridge Erector of precast segmental beam according to claim 2, it is characterized in that: described Hanging Basket is supporting is provided with closing device, described closing device comprise be arranged on girder two back to hydraulic cylinder, the output of described each hydraulic cylinder connect a upper arm thus control two upper arms separately and split.
5. the assembled Bridge Erector of precast segmental beam according to claim 1 or 2 or 3 or 4, it is characterized in that: described supporter comprises nose girder supporter and girder supporter, described nose girder supporter comprises the nose girder supporting leg be connected with nose girder basal sliding.
6. the assembled Bridge Erector of precast segmental beam according to claim 5, is characterized in that: described girder supporter comprises rear support leg and front leg strut, and described rear support leg is fixed on girder rear portion, and described front leg strut is positioned at rear support leg front.
7. the assembled Bridge Erector of precast segmental beam according to claim 6, is characterized in that: the bottom of described front leg strut and rear support leg can upwards indentation or folding thus adjustment bearing height.
8. the assembled Bridge Erector of precast segmental beam according to claim 1 or 2 or 3 or 4, is characterized in that: described beam body is supporting is provided with the translating device making the movement along its length of beam body.
9. the assembled Bridge Erector of precast segmental beam according to claim 8, is characterized in that: described translating device comprises the rear dolly at support girder rear portion, and described rear dolly to be arranged in beam sections and to have movable stroke relative to beam sections.
10. the assembled Bridge Erector of precast segmental beam according to claim 9, it is characterized in that: described translating device be included in rear dolly front for dolly before support girder, described front dolly to be arranged in beam sections and to have movable stroke relative to girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373066.0U CN204023412U (en) | 2014-07-04 | 2014-07-04 | The assembled Bridge Erector of a kind of precast segmental beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373066.0U CN204023412U (en) | 2014-07-04 | 2014-07-04 | The assembled Bridge Erector of a kind of precast segmental beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204023412U true CN204023412U (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420373066.0U Expired - Fee Related CN204023412U (en) | 2014-07-04 | 2014-07-04 | The assembled Bridge Erector of a kind of precast segmental beam |
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| CN (1) | CN204023412U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105648916A (en) * | 2016-01-04 | 2016-06-08 | 秦皇岛天业通联重工科技有限公司 | Bridge girder erection machine and erection method of bridge girder erection machine |
| CN105714690A (en) * | 2016-02-03 | 2016-06-29 | 中铁一局集团有限公司 | Segmental cantilever girder lifter for large span steel and concrete composite beam erection construction |
| CN107687131A (en) * | 2017-09-21 | 2018-02-13 | 郑州新大方重工科技有限公司 | For the opposite direction construction regulation means for the Bridge Erector for setting up full precast beam |
| CN111395195A (en) * | 2020-04-24 | 2020-07-10 | 贵州路桥集团有限公司 | Operation hanging basket for bolted connection of steel-concrete composite beam segments based on bridge girder erection machine |
| CN112252192A (en) * | 2020-10-13 | 2021-01-22 | 江苏常凌交通工程有限公司 | Bridge cantilever closes up section and pours equipment |
-
2014
- 2014-07-04 CN CN201420373066.0U patent/CN204023412U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105648916A (en) * | 2016-01-04 | 2016-06-08 | 秦皇岛天业通联重工科技有限公司 | Bridge girder erection machine and erection method of bridge girder erection machine |
| CN105714690A (en) * | 2016-02-03 | 2016-06-29 | 中铁一局集团有限公司 | Segmental cantilever girder lifter for large span steel and concrete composite beam erection construction |
| CN105714690B (en) * | 2016-02-03 | 2017-06-06 | 中铁一局集团有限公司 | Large span steel reinforced concrete combination beam erection construction sections cantilever lifting beam machine |
| CN107687131A (en) * | 2017-09-21 | 2018-02-13 | 郑州新大方重工科技有限公司 | For the opposite direction construction regulation means for the Bridge Erector for setting up full precast beam |
| CN107687131B (en) * | 2017-09-21 | 2019-02-15 | 郑州新大方重工科技有限公司 | For setting up the opposite direction construction regulation means of the Bridge Erector of full precast beam |
| CN111395195A (en) * | 2020-04-24 | 2020-07-10 | 贵州路桥集团有限公司 | Operation hanging basket for bolted connection of steel-concrete composite beam segments based on bridge girder erection machine |
| CN112252192A (en) * | 2020-10-13 | 2021-01-22 | 江苏常凌交通工程有限公司 | Bridge cantilever closes up section and pours equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG FOUNDATION ENGINEERING GROUP CO., LTD. Free format text: FORMER NAME: GUANGDONG PROV. FOUNDATION ENGINEERING CO. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 19-20, No. 510620, Tianhe Road, 99 Tianhe Road, Guangdong, Guangzhou Patentee after: Foundation Design Group Co., Ltd of Guangdong Province Address before: 19-20, No. 510620, Tianhe Road, 99 Tianhe Road, Guangdong, Guangzhou Patentee before: Guangdong Prov. Foundation Engineering Co. |
|
| 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: 20141217 Termination date: 20170704 |