CN202298484U - Cutting bridge pier integral body synchronization jacking construction guiding system - Google Patents
Cutting bridge pier integral body synchronization jacking construction guiding system Download PDFInfo
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- CN202298484U CN202298484U CN2011204280198U CN201120428019U CN202298484U CN 202298484 U CN202298484 U CN 202298484U CN 2011204280198 U CN2011204280198 U CN 2011204280198U CN 201120428019 U CN201120428019 U CN 201120428019U CN 202298484 U CN202298484 U CN 202298484U
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Abstract
The utility model discloses a cutting bridge pier integral body synchronization jacking construction guiding system comprising a guiding rack disposed on the outside of the bridge pier to be cut and a plurality of buffering guiding devices disposed between the guiding rack and the upper bridge pier of the bridge pier to be cut. Inner side walls of the periphery of the guiding rack are provided with a plurality of vertical guiding tracks. Inner ends of the buffering guiding devices are fixedly disposed on the upper bridge pier, and outer ends are provided with rolling structures capable of moving upwards and downwards along the vertical guiding tracks. The buffering guiding devices are elastic components, which are in a horizontal arrangement. The number of the buffering guiding devices is equal to the number of the vertical guiding tracks, and the positions of the vertical guiding tracks are corresponding to the installation positions of the buffering guiding devices. The cutting bridge pier integral body synchronization jacking construction guiding system has advantages of reasonable design, high automation degree, good integral compatibility, simple operation, good guiding effect, and ability of solving problems of the present guiding system that the active error correction can not be realized, the surface of the bridge pier body is easy to damage, and the jacking construction is discontinuous.
Description
Technical field
The utility model belongs to cutting bridge abutment integral jack-up construction technical field, especially relates to a kind of cutting bridge abutment integral synchronization of jacking up construction guidance system.
Background technology
Cutting bridge abutment integral jack-up construction is a kind of novel construction method in the bridge technology rebuilding construction; In the practice of construction process; After setting up interim jacking support and fixing Lifting Equipment, upwards use rope saw level to the cutting bridge pier in height 30cm~50cm place at the bridge pier root, and cut surface is exposed bridge pier master muscle about bridge pier concrete chisel removal 40cm up and down according to designing requirement; Begin to carry out the bridge abutment integral jack-up construction afterwards; After jacking puts in place, adopt connecting reinforcement that top and the bottom bridge pier reinforcing bar is linked to be integral body, last shuttering concreting.In the actual jacking process, particularly important to the control of bridge pier geometric position, top, so need the rising circuit of bridge pier in the jacking process be led.
Traditional guidance method is that the leading truck that shaped steel is welded is set around bridge pier; The leading truck physical dimension is slightly larger than the bridge pier cross dimensions; When bridge pier off normal takes place when contacting with leading truck in uphill process; Leading truck relies on self stiffness limits bridge pier off normal, to guarantee with the qualification of bridge pier off normal within the specific limits.This kind traditional direction method has only when the bridge pier off normal reaches certain numerical value (promptly contacting with leading truck); Leading truck is just had an effect; Thereby it belongs to a kind of method of static limit off normal, and the shortcoming of this guidance method is can only passive restriction off normal, and can not initiatively rectify a deviation.Simultaneously, in the bridge pier off normal process of leading truck restriction top, the mechanicalness sliding friction can take place between pier shaft and the leading truck in continuation jacking along with the top bridge pier inevitably, thereby causes the pier shaft concrete surface damaged easily.In addition, bigger counter-force causes the leading truck distortion easily, therefore often need suspend jacking, and the top bridge pier rectified a deviation through jack-up system in advance, can continue jacking, thereby make jack-up construction discontinuous, influences efficiency of construction.
The utility model content
The utility model technical problem to be solved is to above-mentioned deficiency of the prior art; A kind of cutting bridge abutment integral synchronization of jacking up construction guidance system is provided; Its reasonable in design, automaticity are high, Total tune property is good and it is easy and simple to handle to use, guide effect good, can solve have the guidance system existence now can not initiatively rectify a deviation, be prone to cause problems such as bridge pier pier shaft concrete surface breakage, jack-up construction is discontinuous, efficiency of construction is lower.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of cutting bridge abutment integral synchronization of jacking up construction guidance system; It is characterized in that: comprise being laid in the leading truck that is cut the outside around the bridge pier and being installed in leading truck and being cut the buffer-oriented device between the top bridge pier of bridge pier; Said be cut bridge pier after cutting, be divided into up and down two parts and up and down two parts be respectively top bridge pier and bottom bridge pier, the bottom bridge pier is positioned on the bridge bearing platform; Said leading truck bottom is fixed on the bridge bearing platform; The quantity of said buffer-oriented device is a plurality of; Correspondence is provided with a plurality of vertical guide rails on the inside wall all around of said leading truck; The inner of said buffer-oriented device is fixed on the bridge pier of top and its outer end is provided with the rolling structure that ability moves up and down along vertical guide rail; Said buffer-oriented device is to be level to the elastic parts of laying, and the quantity of the quantity of said buffer-oriented device and vertical guide rail is identical and installation positions a plurality of said vertical guide rails are corresponding with a plurality of said buffer-oriented Unit Installation position respectively.
Above-mentioned a kind of cutting bridge abutment integral synchronization of jacking up construction guidance system; It is characterized in that: the said cross section that is cut bridge pier is a rectangle; Said leading truck is a rectangular frame; Said buffer-oriented device is 4 with the quantity of vertical guide rail, and 4 said vertical guide rails are laid in respectively on four inside walls of leading truck.
Above-mentioned a kind of cutting bridge abutment integral synchronization of jacking up construction guidance system is characterized in that: 4 said vertical guide rails are laid in four inside wall middle parts of leading truck respectively.
Above-mentioned a kind of cutting bridge abutment integral synchronization of jacking up construction guidance system; It is characterized in that: the concrete of said top bridge pier bottom exposes bridge beam main tendon section one after cutting; And the concrete at bridge pier top, bottom exposes bridge beam main tendon section two after cutting, and the inner of said buffer-oriented device is fixed on the bridge beam main tendon section one of bridge pier bottom, top.
Above-mentioned a kind of cutting bridge abutment integral synchronization of jacking up construction guidance system; It is characterized in that: 4 said buffer-oriented devices are respectively and are positioned at top bridge pier all around preceding buffer-oriented device, back buffer-oriented device, left buffer-oriented device and the right buffer-oriented device of four sides; The buffer-oriented device is fixed on the bridge beam main tendon section one through fixed mount one with back buffer-oriented device before said; Said fixed mount one is weldingly fixed on the bridge beam main tendon section one, and buffer-oriented device and back buffer-oriented device are fixedly mounted on the two ends of fixed mount one respectively before said; Said left buffer-oriented device and right buffer-oriented device are fixed on the bridge beam main tendon section one through fixed mount two; Said fixed mount two is weldingly fixed on the bridge beam main tendon section one, and said left buffer-oriented device and right buffer-oriented device are fixedly mounted on the two ends of fixed mount two respectively.
Above-mentioned a kind of cutting bridge abutment integral synchronization of jacking up construction guidance system is characterized in that: the overhead height of said leading truck is not less than put in place the bottom level of upper back bridge pier of jacking.
Above-mentioned a kind of cutting bridge abutment integral synchronization of jacking up construction guidance system; It is characterized in that: said leading truck comprises a plurality of horizontal rectangular frame that many root bottom parts are fixed on the vertical pole on the bridge bearing platform and many said vertical poles are connected as one; Lay in the outside around many said vertical poles bridge pier along the bottom, and many said vertical poles surround a vertical rectangular frame; A plurality of said horizontal rectangular frames from top to bottom are fixedly mounted on the said vertical rectangular frame.
Above-mentioned a kind of cutting bridge abutment integral synchronization of jacking up construction guidance system; It is characterized in that: said elastic parts comprise be level to the compression sleeve of laying, be level to laying and the rear end is fixed on the compression spring of compression sleeve posterior medial and can in compression sleeve, carries out level to the piston sleeve that moves around down in the effect of compression spring, said compression spring is installed in the said piston sleeve and its front end is fixed on the anterior inboard of said piston sleeve; Said piston sleeve overlaps in the compression sleeve of packing into from front to back, and said compression sleeve is that cylindrical sleeve and its front portion have the voltage supply circular open that sleeve is inserted in that contracts, and said piston sleeve is the cylindrical sleeve of rear aperture; Said rolling structure is laid in the anterior outside of said piston sleeve.
Above-mentioned a kind of cutting bridge abutment integral synchronization of jacking up construction guidance system, it is characterized in that: said compression spring is coaxial laying with said piston sleeve, and said piston sleeve is coaxial laying with compression sleeve.
Above-mentioned a kind of cutting bridge abutment integral synchronization of jacking up construction guidance system; It is characterized in that: said rolling structure is a spherical ball; The round steel pipe of the equal opening ball shell anterior with being installed in round steel pipe before and after said piston sleeve comprises, said spherical ball is installed in the set spherical groove in ball shell middle part.
The utility model compared with prior art has the following advantages:
1, reasonable in design, installation lay and use easy and simple to handle and input cost lower, efficiency of construction is high.
2, the buffer-oriented apparatus structure that is adopted is reasonable in design and result of use good; Mechanical friction sliding-modes to being carried out between pier shaft and the leading truck in traditional guiding control method has carried out the internal change; Make in the top bridge pier jacking process the relative rolling mode of employing between the pier shaft surface and buffer-oriented device; Avoided mechanicalness sliding friction between the two, thereby guaranteed that the pier shaft concrete is not damaged in the jacking process.Simultaneously, the spherical ball in the buffer-oriented device can form rolling in a plurality of directions, has good compliance.
3, adopt compression spring in the buffer-oriented apparatus structure reasonable in design and can realize initiatively correction; In the actual jacking process; With the external force of compression spring as the active correction; When the moment that the top bridge pier begins to take place off normal, through the spherical ball that is in contact with it and the transfer function of piston sleeve the compression spring that is positioned at compression sleeve is compressed, correspondingly compress spring the top bridge pier is imposed counter-force in order to the restriction and the off normal of correcting the top bridge pier; And along with the degree of top bridge pier off normal constantly increases; The decrement of compression spring constantly increases, and the compression correction counter-force that spring produced is big more behind the pressurized, thereby has realized the dynamic correction to bridge pier in the jacking process.
The moment of the buffer-oriented device that 4, is adopted bridge pier generation off normal on top just can be brought into play the correction effect automatically; In time begin correction; Avoided the bridge pier off normal situation that reaches guidance system generation extention effect power bigger than normal to occur; Make whole guiding and correction process continuously, steadily to relax and carry out, thereby safety is good.
5, adopt the reasonable in design of elastic parts in the buffer-oriented device; The spherical ball rear is a piston sleeve in the buffer-oriented device; The compression spring housing is contained in the piston sleeve, and piston sleeve integral body is nested in the compression sleeve, thereby during actual the use; In compression spring generation compressive strain process; Spherical ball, piston sleeve and compression sleeve are all coordinated displacement with generation on the compression direction of compression spring, and piston sleeve and compression sleeve have guaranteed that for the compression spring provides the reliable work platform compression only receives axial deformation.
6, the fixed mount that is adopted is fixed on the bridge beam main tendon section one of top bridge pier bottom, thereby fixed mount is linked to be integral body with bridge pier master muscle, and because fixed mount adopts the bigger shaped steel of rigidity, thereby can guarantee stablizing of compression sleeve position.
7, guide effect is good and practical value is high; Can guarantee that bridge pier jacking process carries out continuously; Efficiency of construction is higher; Can be in good time in bridge pier jacking process, initiatively and dynamically adjust the plan-position of top bridge pier bottom face, reach the purpose of the off normal that is occurred in the horizontal direction in effective control bridge pier jacking process.Simultaneously, the utility model can be regulated guiding external force automatically in the jacking process, can guarantee the continuity of jacking, makes that the pushing tow process is steady relatively and is easy to control.
8, popularizing application prospect is extensive; The utility model is reasonable in design, automaticity is high, coordination performance is good and security performance is good; Laborsaving relatively, convenient, efficient, steady and be easy to control to the guiding in the bridge pier jacking process and correction process; Solved the construction difficult problem that cuts bridge abutment integral jacking guiding and correction control, eliminated bridge pier and leading truck and bumped impact to construction safety and the stable influence that causes.Result of use is good, is convenient to promote the use of.
In sum; The utility model reasonable in design, automaticity are high, Total tune property is good and it is easy and simple to handle to use, guide effect good, can solve have the guidance system existence now can not initiatively rectify a deviation, be prone to cause problems such as bridge pier pier shaft concrete surface breakage, jack-up construction is discontinuous, efficiency of construction is lower.
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
Description of drawings
Fig. 1 is the user mode reference diagram of the utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 by the utility model the installation site sketch map of employing leading truck.
Fig. 4 is the left view of Fig. 3.
Fig. 5 by the utility model the structural representation of employing buffer-oriented device.
Description of reference numerals:
The 1-leading truck; The vertical pole of 1-1-; The horizontal rectangular frame of 1-2-;
2-buffer-oriented device; The 2-1-compression sleeve; The 2-2-spherical ball;
2-3-compresses spring; The 2-4-round steel pipe; 2-5-ball shell;
3-top bridge pier; 4-bottom bridge pier; The 5-bridge bearing platform;
6-bridge beam main tendon section one; 7-bridge beam main tendon section two; The vertical guide rail of 8-;
9-fixed mount one; 10-fixed mount two; The 11-bent cap;
12-jacking braced structures; 13-hydraulic lifting jack.
The specific embodiment
Like Fig. 1, shown in Figure 2; The utility model comprises and is laid in the leading truck 1 that is cut the outside around the bridge pier and is installed in leading truck 1 and is cut the buffer-oriented device 2 between the top bridge pier 3 of bridge pier; Said be cut bridge pier after cutting, be divided into up and down two parts and up and down two parts be respectively top bridge pier 3 and bottom bridge pier 4, bottom bridge pier 4 is positioned on the bridge bearing platform 5.Said leading truck 1 bottom is fixed on the bridge bearing platform 5.The quantity of said buffer-oriented device 2 is a plurality of; Correspondence is provided with a plurality of vertical guide rails 8 on the inside wall all around of said leading truck 1; The inner of said buffer-oriented device 2 is fixed on the top bridge pier 3 and its outer end is provided with the rolling structure that ability moves up and down along vertical guide rail 8; Said buffer-oriented device 2 is for being level to the elastic parts of laying, and the quantity of the quantity of said buffer-oriented device 2 and vertical guide rail 8 is identical and installation positions a plurality of said vertical guide rails 8 are corresponding with the installation site of a plurality of said buffer-oriented devices 2 respectively.
Simultaneously, can lead to whole jacking process for guaranteeing the utility model, the overhead height of said leading truck 1 is not less than put in place the bottom level of upper back bridge pier 3 of jacking.
In the present embodiment; The said cross section that is cut bridge pier is a rectangle; Said leading truck 1 is a rectangular frame, and the quantity of said buffer-oriented device 2 and vertical guide rail 8 is 4, and 4 said vertical guide rails 8 are laid in respectively on four inside walls of leading truck 1.
In the actual jack-up construction process, lay the jacking bracing or strutting arrangement earlier.The quantity of the jacking bracing or strutting arrangement that is adopted is two; And two said jacking bracing or strutting arrangement symmetries are laid in the left and right sides that is cut bridge pier, and the bottom of two said jacking bracing or strutting arrangements fixes on the ground and the below, the left and right sides that withstands on need jacking bent cap 11 is propped up at the top of the two respectively.In the present embodiment, 4 said vertical guide rails 8 are laid in four inside wall middle parts of leading truck 1 respectively.Said jacking bracing or strutting arrangement comprises the jacking braced structures 12 that fixes on the ground and is laid in the hydraulic lifting jack 13 on the jacking braced structures 12.
In the present embodiment; The concrete of bridge pier 3 bottoms, said top exposes bridge beam main tendon section 1 after cutting; And the concrete at bottom bridge pier 4 tops exposes bridge beam main tendon section 27 after cutting, and the inner of said buffer-oriented device 2 is fixed on the bridge beam main tendon section 1 of top bridge pier 3 bottoms.
In the present embodiment; 4 said buffer-oriented devices 2 are respectively and are positioned at top bridge pier 3 all around preceding buffer-oriented device, back buffer-oriented device, left buffer-oriented device and the right buffer-oriented device of four sides; The buffer-oriented device is fixed on the bridge beam main tendon section 1 through fixed mount 1 with back buffer-oriented device before said; Said fixed mount 1 is weldingly fixed on the bridge beam main tendon section 1, and buffer-oriented device and back buffer-oriented device are fixedly mounted on the two ends of fixed mount 1 respectively before said.Said left buffer-oriented device and right buffer-oriented device are fixed on the bridge beam main tendon section 1 through fixed mount 2 10; Said fixed mount 2 10 is weldingly fixed on the bridge beam main tendon section 1, and said left buffer-oriented device and right buffer-oriented device are fixedly mounted on the two ends of fixed mount 2 10 respectively.Thereby.The actual laying when installing, the overhead height of said leading truck 1 are higher than put in place the overhead height of back axle beam main tendon section 1 of jacking.
In conjunction with Fig. 3 and Fig. 4; Said leading truck 1 comprises a plurality of horizontal rectangular frame that many root bottom parts are fixed on the vertical pole 1-1 on the bridge bearing platform 5 and many said vertical pole 1-1 are connected as one; Lay in the outside around many said vertical pole 1-1 bridge pier 4 along the bottom, and many said vertical pole 1-1 surround a vertical rectangular frame.A plurality of said horizontal rectangular frame 1-2 from top to bottom are fixedly mounted on the said vertical rectangular frame.In the present embodiment, said horizontal rectangular frame 1-2 is formed by connecting many horizontal connecting rods that are laid on the same horizontal plane, and said vertical pole 1-1 and said horizontal connecting rod are shaped steel.Said horizontal rectangular frame 1-2 is fixedly mounted on the inside wall of said vertical rectangular frame, and vertical guide rail 8 is fixedly mounted on the inside wall of a plurality of said horizontal rectangular frame 1-2.
As shown in Figure 5; Said elastic parts comprise be level to the compression sleeve 2-1 that lays, be level to laying and the rear end is fixed on the compression spring 2-3 of compression sleeve 2-1 posterior medial and can in compression sleeve 2-1, carries out level to the piston sleeve that moves around down in the effect of compression spring 2-3, said compression spring 2-3 is installed in the said piston sleeve and its front end is fixed on the anterior inboard of said piston sleeve.Said piston sleeve overlaps in the compression sleeve 2-1 that packs into from front to back, and said compression sleeve 2-1 is that cylindrical sleeve and its front portion have the voltage supply circular open that sleeve 2-1 is inserted in that contracts, and said piston sleeve is the cylindrical sleeve of rear aperture.Said rolling structure is laid in the anterior outside of said piston sleeve.
In the present embodiment, said compression spring 2-3 is coaxial laying with said piston sleeve, and said piston sleeve is coaxial laying with compression sleeve 2-1.Said rolling structure is spherical ball 2-2, the round steel pipe 2-4 of the equal opening ball shell 2-5 anterior before and after said piston sleeve comprises with being installed in round steel pipe 2-4, and said spherical ball 2-2 is installed in the set spherical groove in ball shell 2-5 middle part.
To sum up, the utility model mainly comprises buffer-oriented device 2 that 1,4 of the leading trucks of cover that are made up of structural steel frame are made up of spherical ball 2-2 and elastic parts and the fixed mount that buffer-oriented device 2 is fixed.Installation position and 4 the buffer-oriented devices 2 that the vertical center line position of four sidewalls of said leading truck is provided with 8, four vertical guide rails of four vertical guide rails over against; Buffer-oriented device 2 outer ends are provided with spherical ball 2-2, with the relative rolling between buffer-oriented device 2 and the guide rail 8 in the bridge pier 3 jacking processes of realization top; Spherical ball 2-2 rear along continuous straight runs is provided with compression spring 2-3; The compression spring 2-3 outside is set with piston sleeve, and said piston sleeve integral body is nested in the compression sleeve 2-1, and the rear and front end of compression spring 2-3 is separately fixed on said piston sleeve and the compression sleeve 2-1; Said buffer-oriented device 2 is fixed on the bridge beam main tendon section 1 through fixed mount, and said fixed mount and bridge beam main tendon section 1 weld together.
In the actual use, set spherical ball 2-2 of the utility model and vertical guide rail 8, the lateral wall of having realized jacking process middle and upper part bridge pier 3 and relative rolling after the inside wall of leading truck 1 contacts.Said compression spring 2-3 can effectively eliminate direct collision and the friction between jacking process middle and upper part bridge pier 3 lateral walls and the leading truck 1; Make contact between the two buffering occur; And the counter-force that provides along with the slow increase compression spring 2-3 of bridge pier off normal realizes resetting with opposing and adjustment deviation along with increase.
The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any restriction; Everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of the utility model technical scheme according to the utility model technical spirit.
Claims (10)
1. one kind is cut bridge abutment integral synchronization of jacking up construction guidance system; It is characterized in that: comprise being laid in the leading truck (1) that is cut the outside around the bridge pier and being installed in leading truck (1) and being cut the buffer-oriented device (2) between the top bridge pier (3) of bridge pier; Said be cut bridge pier after cutting, be divided into up and down two parts and up and down two parts be respectively top bridge pier (3) and bottom bridge pier (4), bottom bridge pier (4) is positioned on the bridge bearing platform (5); Said leading truck (1) bottom is fixed on the bridge bearing platform (5); The quantity of said buffer-oriented device (2) is a plurality of; Correspondence is provided with a plurality of vertical guide rails (8) on the inside wall all around of said leading truck (1); The inner of said buffer-oriented device (2) is fixed on the top bridge pier (3) and its outer end is provided with the rolling structure that ability moves up and down along vertical guide rail (8); Said buffer-oriented device (2) is for being level to the elastic parts of laying, and the quantity of the quantity of said buffer-oriented device (2) and vertical guide rail (8) is identical and installation positions a plurality of said vertical guide rails (8) are corresponding with the installation site of a plurality of said buffer-oriented devices (2) respectively.
2. according to the described a kind of cutting bridge abutment integral synchronization of jacking up construction guidance system of claim 1; It is characterized in that: the said cross section that is cut bridge pier is a rectangle; Said leading truck (1) is a rectangular frame; The quantity of said buffer-oriented device (2) and vertical guide rail (8) is 4, and 4 said vertical guide rails (8) are laid in respectively on four inside walls of leading truck (1).
3. according to the described a kind of cutting bridge abutment integral synchronization of jacking up construction guidance system of claim 2, it is characterized in that: 4 said vertical guide rails (8) are laid in four inside wall middle parts of leading truck (1) respectively.
4. according to claim 2 or 3 described a kind of cutting bridge abutment integral synchronization of jacking up construction guidance systems; It is characterized in that: the concrete of said top bridge pier (3) bottom exposes bridge beam main tendon section one (6) after cutting; And the concrete at bottom bridge pier (4) top exposes bridge beam main tendon section two (7) after cutting, and the inner of said buffer-oriented device (2) is fixed on the bridge beam main tendon section one (6) of top bridge pier (3) bottom.
5. according to the described a kind of cutting bridge abutment integral synchronization of jacking up construction guidance system of claim 4; It is characterized in that: 4 said buffer-oriented devices (2) are respectively and are positioned at top bridge pier (3) all around preceding buffer-oriented device, back buffer-oriented device, left buffer-oriented device and the right buffer-oriented device of four sides; The buffer-oriented device is fixed on the bridge beam main tendon section one (6) through fixed mount one (9) with back buffer-oriented device before said; Said fixed mount one (9) is weldingly fixed on the bridge beam main tendon section one (6), and buffer-oriented device and back buffer-oriented device are fixedly mounted on the two ends of fixed mount one (9) respectively before said; Said left buffer-oriented device and right buffer-oriented device are fixed on the bridge beam main tendon section one (6) through fixed mount two (10); Said fixed mount two (10) is weldingly fixed on the bridge beam main tendon section one (6), and said left buffer-oriented device and right buffer-oriented device are fixedly mounted on the two ends of fixed mount two (10) respectively.
6. according to claim 1,2 or 3 described a kind of cutting bridge abutment integral synchronization of jacking up construction guidance systems, it is characterized in that: the overhead height of said leading truck (1) is not less than put in place the bottom level of upper back bridge pier (3) of jacking.
7. according to claim 2 or 3 described a kind of cutting bridge abutment integral synchronization of jacking up construction guidance systems; It is characterized in that: said leading truck (1) comprises a plurality of horizontal rectangular frame that many root bottom parts are fixed on the vertical pole (1-1) on the bridge bearing platform (5) and many said vertical poles (1-1) are connected as one; Lay in the outside around many said vertical poles (1-1) bridge pier (4) along the bottom, and many said vertical poles (1-1) surround a vertical rectangular frame; A plurality of said horizontal rectangular frames (1-2) from top to bottom are fixedly mounted on the said vertical rectangular frame.
8. according to claim 1,2 or 3 described a kind of cutting bridge abutment integral synchronization of jacking up construction guidance systems; It is characterized in that: said elastic parts comprise be level to the compression sleeve of laying (2-1), be level to laying and the rear end is fixed on the compression spring (2-3) of compression sleeve (2-1) posterior medial and can in compression sleeve (2-1), carries out level to the piston sleeve that moves around down in the effect of compression spring (2-3), said compression spring (2-3) is installed in the said piston sleeve and its front end is fixed on the anterior inboard of said piston sleeve; Said piston sleeve overlaps in the compression sleeve of packing into (2-1) from front to back, and said compression sleeve (2-1) has the voltage supply circular open that sleeve (2-1) is inserted in that contracts for cylindrical sleeve and its front portion, and said piston sleeve is the cylindrical sleeve of rear aperture; Said rolling structure is laid in the anterior outside of said piston sleeve.
9. according to the described a kind of cutting bridge abutment integral synchronization of jacking up construction guidance system of claim 8, it is characterized in that: said compression spring (2-3) is coaxial laying with said piston sleeve, and said piston sleeve is coaxial laying with compression sleeve (2-1).
10. according to the described a kind of cutting bridge abutment integral synchronization of jacking up construction guidance system of claim 8; It is characterized in that: said rolling structure is spherical ball (2-2); Said piston sleeve comprises the round steel pipe (2-4) of the equal opening in front and back and is installed in the anterior ball shell (2-5) of round steel pipe (2-4) that said spherical ball (2-2) is installed in the set spherical groove in ball shell (2-5) middle part.
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CN2011204280198U CN202298484U (en) | 2011-11-02 | 2011-11-02 | Cutting bridge pier integral body synchronization jacking construction guiding system |
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CN2011204280198U CN202298484U (en) | 2011-11-02 | 2011-11-02 | Cutting bridge pier integral body synchronization jacking construction guiding system |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103015328A (en) * | 2012-12-27 | 2013-04-03 | 中铁一局集团有限公司 | Continuous splicing construction method of pier column for jacking broken beam of bridge |
CN108755456A (en) * | 2018-06-20 | 2018-11-06 | 胡梦婷 | A kind of bridge pier excision facility and its excision construction method |
CN113832873A (en) * | 2021-10-22 | 2021-12-24 | 山东省高速养护集团有限公司 | Reconstruction construction method for existing bridge of expressway |
CN114250722A (en) * | 2022-01-05 | 2022-03-29 | 黄河勘测规划设计研究院有限公司 | Jacking device of existing continuous rigid frame bridge |
-
2011
- 2011-11-02 CN CN2011204280198U patent/CN202298484U/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103015328A (en) * | 2012-12-27 | 2013-04-03 | 中铁一局集团有限公司 | Continuous splicing construction method of pier column for jacking broken beam of bridge |
CN103015328B (en) * | 2012-12-27 | 2014-08-06 | 中铁一局集团有限公司 | Continuous splicing construction method of pier column for jacking broken beam of bridge |
CN108755456A (en) * | 2018-06-20 | 2018-11-06 | 胡梦婷 | A kind of bridge pier excision facility and its excision construction method |
CN108755456B (en) * | 2018-06-20 | 2020-06-19 | 黑龙江省龙建路桥第五工程有限公司 | Bridge pier cutting facility and cutting construction method thereof |
CN113832873A (en) * | 2021-10-22 | 2021-12-24 | 山东省高速养护集团有限公司 | Reconstruction construction method for existing bridge of expressway |
CN114250722A (en) * | 2022-01-05 | 2022-03-29 | 黄河勘测规划设计研究院有限公司 | Jacking device of existing continuous rigid frame bridge |
CN114250722B (en) * | 2022-01-05 | 2023-11-14 | 黄河勘测规划设计研究院有限公司 | Jacking device of existing continuous rigid frame bridge |
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