CN112523094A - Swivel system of cross-railway bridge - Google Patents
Swivel system of cross-railway bridge Download PDFInfo
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- CN112523094A CN112523094A CN202011363417.6A CN202011363417A CN112523094A CN 112523094 A CN112523094 A CN 112523094A CN 202011363417 A CN202011363417 A CN 202011363417A CN 112523094 A CN112523094 A CN 112523094A
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- bridge
- fixed
- spherical hinge
- swivel
- traction
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/08—Methods or apparatus specially adapted for erecting or assembling bridges by rotational movement of the bridge or bridge sections
Abstract
The application relates to the technical field of bridge construction, in particular to a turning system for crossing a railway bridge, which is characterized in that: the device comprises a spherical hinge lower support arranged on the ground, a swivel spherical hinge arranged on the spherical hinge support, a spherical hinge upper support arranged on the swivel spherical hinge, a swivel bridge arranged on the spherical hinge upper support and a counterweight balancing device arranged below the swivel bridge; the spherical hinge upper support is located on one side of the center of the swivel bridge, the swivel bridge comprises a long bridge body and a short bridge body, the counterweight balancing device is arranged below the short bridge body, and the counterweight balancing device is used for keeping the long bridge body and the short bridge body balanced. The application has the advantages that the counterweight balancing device arranged below the short bridge body can balance the torque at two ends of the rotating spherical hinge, so that the tensile stress on the rotating bridge is uniformly distributed, and the rotating bridge is uniformly deformed.
Description
Technical Field
The application relates to the technical field of bridge construction, in particular to a swivel system of a cross-railway bridge.
Background
Bridge rotation construction is a popular bridge construction method in recent times, is widely applied to bridge construction of various types, and particularly has the remarkable advantages of rapid construction and small influence range on structures under bridges for bridge construction under special conditions of crossing existing lines, deep ditches and canyons. The common bridge rotation construction is a construction method that a bridge is divided into two half spans from the middle span or the whole span, a turntable rotation system is arranged at a proper position, prefabrication is carried out according to a symmetrical balance principle, the gravity center of the rotation system basically falls at the rotation center of a turntable after prefabrication is finished, and then the turntable is rotated by utilizing a traction facility to horizontally rotate the bridge to a designed position.
The inventors consider that there is a drawback to the related art among the above. In the actual design of some bridges, bridge rotating parts are often designed into symmetrical bridges according to new construction sites, and asymmetric bridge rotating parts are difficult to keep balance during rotating construction.
Disclosure of Invention
In order to keep balance of the asymmetric bridge body rotating body during rotating construction, the application provides a rotating body system crossing a railway bridge.
The application provides a system of turning of crossing railway bridge adopts following technical scheme:
the utility model provides a system of turning of crossing railway bridge which characterized in that: the device comprises a spherical hinge lower support arranged on the ground, a swivel spherical hinge arranged on the spherical hinge support, a spherical hinge upper support arranged on the swivel spherical hinge, a swivel bridge arranged on the spherical hinge upper support and a counterweight balancing device arranged below the swivel bridge;
the spherical hinge upper support is located on one side of the center of the swivel bridge, the swivel bridge comprises a long bridge body and a short bridge body, the counterweight balancing device is arranged below the short bridge body, and the counterweight balancing device is used for keeping the long bridge body and the short bridge body balanced.
By adopting the technical scheme, the spherical hinge lower support provides support for the swivel spherical hinge, the spherical hinge upper support and the swivel bridge, the spherical hinge lower support and the spherical hinge upper support limit the position of the swivel spherical hinge, and when the bridge is in swivel construction, a constructor uses a swivel traction system to slowly rotate the swivel bridge and the spherical hinge upper support to an appointed position; because the weight distribution of the bridge of turning is uneven, the positions of the spherical hinge lower support, the spherical hinge of turning and the spherical hinge upper support are not under the gravity center of the bridge of turning, and a counterweight balancing device is arranged under the short bridge body, so that the moments at two ends of the spherical hinge of turning are balanced, the tensile stress on the bridge of turning is distributed evenly, and the bridge of turning is deformed evenly.
Optionally, the counterweight balancing device includes a driving mechanism fixed on the upper surface of the spherical hinge lower support, a counterweight block arranged below the short bridge body, and a traction mechanism arranged on the lower surface of the short bridge body; one end of the traction mechanism is fixed on the driving mechanism, the other end of the traction mechanism is fixed on the balancing weight, and the driving mechanism can drive the traction mechanism to drive the balancing weight to vertically move upwards.
Through adopting above-mentioned technical scheme, constructor can place the balancing weight subaerial earlier when carrying out the construction of counter weight balancing unit, according to the weight of the moment adjustment balancing weight that the gravity of long pontic and short pontic produced the ball pivot of turning, later starts actuating mechanism, and actuating mechanism drives draw gear with the hoist of balancing weight, later on carrying out the bridge and turning the construction.
Optionally, the driving mechanism comprises a fixed seat fixed on the upper surface of the lower support of the spherical hinge, a take-up and pay-off roller rotatably connected to the top of the fixed seat, and a driving motor arranged on the side surface of the fixed seat, and a power output shaft of the driving motor is fixedly connected with a rotating shaft of the take-up and pay-off roller.
Through adopting above-mentioned technical scheme, when the construction, constructor installs the fixing base on the ball pivot undersetting earlier, later will receive and release roller and driving motor and install, after driving motor starts, driving motor's power output shaft will drive and receive and release the roller and rotate, receive and release the roller and will be fixed on traction mechanism on its side convolutes on receiving and releasing the roller, and traction mechanism will hoist the balancing weight.
Optionally, the fixing seat includes a fixing bottom plate fixed on the upper surface of the lower support of the spherical hinge and supporting plates vertically fixed at two ends of the fixing bottom plate; the supporting plates are arranged in parallel, and the take-up and pay-off rollers are arranged between the supporting plates and are rotatably connected to the tops of the supporting plates.
By adopting the technical scheme, the fixing bottom plate is fixed on the spherical hinge lower support firstly during construction, then the retracting and releasing rollers are inserted between the tops of the two supporting plates, and finally the driving motor is installed on one side of the supporting plates, and the power output shaft of the driving motor is fixed with the rotating shaft of the retracting and releasing rollers.
Optionally, the two traction mechanisms are respectively arranged on two opposite sides of the balancing weight.
Through adopting above-mentioned technical scheme, set drive mechanism to two, set up respectively on two sides that the balancing weight is relative, can reduce single drive mechanism's load, can also make the atress of balancing weight more even simultaneously, make the balancing weight more stable at the in-process that rises.
Optionally, the traction mechanism comprises a fixed pulley fixed on the lower surface of the short bridge body, a movable pulley fixed in the middle of one side surface of the balancing weight, and a traction iron cable; one end of the traction iron cable is fixed on the side face of the take-up and pay-off roller, and the other end of the traction iron cable is wound around the top of the fixed pulley and the bottom of the movable pulley and is finally fixed on a bottom hook of the fixed pulley.
By adopting the technical scheme, the fixed pulley and the movable pulley form a pulley block, and when the driving mechanism provides power for the ascending of the matching block, the load of the driving mechanism can be reduced, and the working efficiency of the driving mechanism is improved; when the balancing weight is lifted, the fixed pulley guides the lifting of the balancing weight, and the movable pulley reduces the pulling force on the traction iron cable.
Optionally, the fixed pulley is arranged right above the movable pulley.
Through adopting above-mentioned technical scheme, can control the ascending direction of balancing weight better with the fixed pulley setting directly over the movable pulley, make the balancing weight can the straight-line rise at movable pulley and fixed pulley place.
Optionally, a partition plate is arranged in the middle of the side surface of the take-up and pay-off roller, and the two traction iron cables are respectively fixed on two sides of the partition plate.
Through adopting above-mentioned technical scheme, fix two traction cables in the both sides of division board respectively, can prevent that two traction cables from knoing when receiving and releasing the winding-up on the roller, guarantee that the balancing weight can rise smoothly and descend, separately make things convenient for constructor's management and maintenance with two traction cables.
Optionally, the lower surface of the short bridge body is provided with two vertical fixing rods, the fixing rods are vertically arranged, and the fixing rods are arranged on two sides of the balancing weight and can be in contact with the balancing weight.
Through adopting above-mentioned technical scheme, when the balancing weight rose to the lower surface that is close to the short bridge body, the balancing weight can remove the centre of two dead levers gradually and with the dead lever contact, and two dead levers can be with the rigidity of balancing weight, when turning the bridge and turning the construction, the dead lever can prevent that the balancing weight from taking place to rock because of inertia early aloft, guarantees going on smoothly of the construction of turning.
Optionally, the fixed rod and the traction mechanism are not in the same plane.
Through adopting above-mentioned technical scheme, do not set up dead lever and drive mechanism in same plane, when on the balancing weight, the dead lever can not block the rising of the movable pulley of balancing weight side to this guarantees that the balancing weight can rise to appointed position.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the spherical hinge lower support provides support for a swivel spherical hinge, a spherical hinge upper support and a swivel bridge, the spherical hinge lower support and the spherical hinge upper support limit the position of the swivel spherical hinge, and when bridge swivel construction is carried out, constructors use a swivel traction system to slowly rotate the swivel bridge and the spherical hinge upper support to an appointed position; because the weight distribution of the swivel bridge is uneven, the positions of the spherical hinge lower support, the swivel spherical hinge and the spherical hinge upper support are not under the gravity center of the swivel bridge, and a counterweight balancing device is arranged under the short bridge body, so that the moments at two ends of the swivel spherical hinge are balanced, the tensile stress on the swivel bridge is evenly distributed, and the swivel bridge is evenly deformed;
2. when a constructor carries out the construction of the counterweight balancing device, the counterweight block can be firstly placed on the ground, the weight of the counterweight block is adjusted according to the moment generated by the gravity of the long bridge body and the short bridge body on the spherical hinge of the rotating body, then the driving mechanism is started, the driving mechanism drives the traction device to lift the counterweight block, and then the bridge rotating body construction is carried out;
3. when the balancing weight rises to the lower surface that is close to the short bridge body, the balancing weight can remove the centre of two dead levers gradually and with the dead lever contact, two dead levers can be with the rigidity of balancing weight, when turning the bridge and turning the construction, the dead lever can prevent that the balancing weight from taking place to rock because of inertia early in the air, guarantees going on smoothly of the construction of turning.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a counterweight balancing device in an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a driving mechanism in the embodiment of the present application.
Fig. 4 is a schematic structural diagram of a traction mechanism, a fixing rod and a counterweight in the embodiment of the present application.
Description of reference numerals: 1. a lower support of the spherical hinge; 2. a rotating body is in spherical hinge connection; 3. a support is arranged on the spherical hinge; 4. a bridge is rotated; 41. a long bridge body; 42. a short bridge body; 421. fixing the rod; 5. a counterweight balancing device; 51. a drive mechanism; 511. a fixed seat; 512. a take-up and pay-off roller; 513. a drive motor; 514. fixing the bottom plate; 515. a support plate; 516. a partition plate; 52. a balancing weight; 53. a traction mechanism; 531. a fixed pulley; 532. a movable pulley; 533. and (4) pulling the iron cable.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a swivel system of crossing railway bridge. Referring to fig. 1, a swivel system of a cross-track bridge includes a spherical hinge lower support 1 disposed on the ground, a swivel spherical hinge 2 mounted on the spherical hinge lower support 1, a spherical hinge upper support 3 mounted on the swivel spherical hinge 2, a swivel bridge 4 cast on the spherical hinge upper support 3, and a counterweight balancing device 5 disposed on the lower surface of the swivel bridge 4.
The swivel bridge 4 comprises a short bridge body 42 arranged at one end of the spherical hinge upper support 3 and a long bridge body 41 arranged at the other end of the spherical hinge upper support 3, the long bridge body 41 and the short bridge body 42 are integrally cast by reinforced concrete, a counterweight balancing device 5 is arranged below the short bridge body 42, and the counterweight balancing device 5 is used for balancing moment generated by bridge body gravity at two ends of the spherical hinge upper support 3, so that the moment at two ends of the spherical hinge upper support 3 is balanced, the tensile stress on the swivel bridge 4 is uniformly distributed, the deformation on the swivel bridge 4 is more uniform, the construction accuracy is improved, and the construction quality is ensured.
Referring to fig. 2, the counterweight balancing device 5 includes a driving mechanism 51 fixed on the upper surface of the ball-hinged lower support 1, a traction mechanism 53 fixed on the lower surface of the short bridge 42, and a counterweight 52 fixed at one end of the traction mechanism 53. The middle position of the traction mechanism 53 is fixed on the lower surface of the short bridge body 42, one end of the traction mechanism 53 is fixed on the driving mechanism 51, and the other end is fixed on the side surface of the counterweight block 52. The two traction mechanisms 53 are respectively arranged on two opposite sides of the balancing weight 52.
After the construction of the swivel bridge 4 is completed, a constructor installs the counterweight balancing device 5 at a designated position, before the swivel construction, the constructor firstly descends the counterweight block 52 to the ground, the weight of the counterweight block 52 is determined according to the weight and the length of the short bridge body 42 and the long bridge body 41, and the moment generated by the gravity of the short bridge body 42 and the counterweight block 52 is equal to the moment generated by the gravity of the long bridge body 41. Then, the driving mechanism 51 is started, the driving mechanism 51 drives the traction mechanism 53 to move, the traction mechanism 53 is wound on the driving mechanism 51, and the traction mechanism 53 finally lifts the counterweight block 52 to a specified height.
Referring to fig. 3, the driving mechanism 51 includes a holder 511 fixed to an upper surface of the ball-hinged lower support 1, a take-up and pay-off roller 512 provided on the holder 511, and a driving motor 513 mounted on a top side of the support plate 515 using bolts. The fixing base 511 includes a fixing base plate 514 fixed to the upper surface of the ball-hinge lower support 1 using bolts, and a support plate 515 welded to the fixing base plate 514.
Two supporting plates 515 are arranged and welded at two movable ends of the fixed bottom plate 514 in parallel, the take-up and pay-off roller 512 is arranged between the two supporting plates 515 and can rotate around the axis of the take-up and pay-off roller, and a power output shaft of the driving motor 513 is fixed with a rotating shaft of the take-up and pay-off roller 512 through a coupler. A circular partition plate 516 is welded in the middle of the side surface of the storage roller 512, the partition plate 516 is perpendicular to the storage roller 512, and the traction mechanisms 53 are respectively fixed on the side surfaces of the storage roller 512 at two sides of the partition plate 516.
After the weight of the weight block 52 is adjusted, the constructor starts the driving motor 513. The power output shaft of the driving motor 513 drives the winding and unwinding roller 512 to rotate, and the winding and unwinding roller 512 winds the traction mechanism 53 fixed on the side surface of the winding and unwinding roller 512.
Referring to fig. 4, the traction mechanism 53 includes a fixed pulley 531 fixed to the lower surface of the short bridge 42, a movable pulley 532 fixed to the side of the weight block 52, and a traction rope 533. A hook is provided at the bottom of the fixed pulley 531, the movable pulley 532 is provided directly below the fixed pulley 531, and one end of the traction rope 533 is fixed to the side surface of the take-up and pay-off roller 512 by using a bolt. One end of the traction rope 533 passes through the upper part of the fixed pulley 531 and the bottom of the movable pulley 532 in sequence, and is finally hung on the hook at the bottom of the fixed pulley 531.
The traction mechanisms 53 are provided in two sets, and the two sets of traction mechanisms 53 are respectively provided on two opposite side surfaces of the counterweight block 52. When the driving motor 513 is started, the driving motor 513 drives the winding and unwinding roller 512 to rotate, and with the rotation of the winding and unwinding roller 512, the traction iron cable 533 fixed on the side surface of the winding and unwinding roller 512 is wound on the winding and unwinding roller 512, the length of the traction iron cable 533 is gradually reduced, and finally the movable pulley 532 and the counterweight block 52 are lifted together.
Referring to fig. 4, two vertical fixing columns are arranged on the lower surface of the short bridge body 42, the distance between the two fixing columns is equal to the width of the balancing weight 52, the opposite side surfaces of the two fixing columns can coincide with the side surface of the balancing weight 52, which is in contact with the two fixing columns, is adjacent to the side surface where the movable pulley 532 is located, and the length of each fixing column is greater than the sum of the heights of the movable pulley 532 and the movable pulley 532.
When the traction rope 533 pulls the weight block 52 to ascend, the weight block 52 ascends along a straight line where the centers of the fixed pulley 531 and the movable pulley 532 are located, and when the weight block 52 ascends to a certain height, the traction rope 533 can drive the weight block 52 to move between two fixing columns, and the two fixing columns can fix the position of the weight block 52.
When the bridge pile construction is performed, the counter weight block 52 rotates along with the swivel bridge 4, and the mass of the counter weight block 52 is large, so the inertia of the counter weight block 52 is also large, and when the swivel bridge 4 starts to rotate and the rotation of the swivel bridge 4 is just finished, the counter weight block 52 can shake under the action of the inertia. The shaking of the weight 52 can have a great influence on the construction accuracy of the bridge pile body.
The fixed column that sets up at the lower surface of short bridge 42 can be with the fixed position of balancing weight 52, when turning bridge 4 and rotating the construction, balancing weight 52 can not take place great rocking along with turning bridge 4 rotates. Thereby guaranteeing the construction precision of bridge rotation construction.
The implementation principle of the swivel system of the cross-railway bridge in the embodiment of the application is as follows: when the bridge is in rotation construction, a constructor uses a rotation traction system to pull the rotation spherical hinge 2 to rotate, and rotates the rotation bridge 4 to a specified position. Before swivel construction, a constructor determines the weight of the counterweight block 52 according to the mass and length of the long bridge body 41 and the short bridge body 42, then lifts the counterweight block 52 to a specified height by using the driving mechanism 51 and the traction mechanism 53, and lifts the counterweight block 52 between two fixed columns, so that the fixed columns fix the counterweight block 52.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a system of turning of crossing railway bridge which characterized in that: the device comprises a spherical hinge lower support (1) arranged on the ground, a swivel spherical hinge (2) arranged on the spherical hinge support (1), a spherical hinge upper support (3) arranged on the swivel spherical hinge (2), a swivel bridge (4) arranged on the spherical hinge upper support (3) and a counterweight balancing device (5) arranged below the swivel bridge (4);
the spherical hinge upper support (3) is located on one side of the center of the swivel bridge (4), the swivel bridge (4) comprises a long bridge body (41) and a short bridge body (42), the counterweight balancing device (5) is arranged below the short bridge body (42), and the counterweight balancing device (5) is used for keeping the long bridge body (41) and the short bridge body (42) balanced.
2. The swivel system across a railroad bridge of claim 1, wherein: the counterweight balancing device (5) comprises a driving mechanism (51) fixed on the upper surface of the spherical hinge lower support (1), a counterweight (52) arranged below the short bridge body (42) and a traction mechanism (53) arranged on the lower surface of the short bridge body (42); one end of the traction mechanism (53) is fixed on the driving mechanism (51), the other end of the traction mechanism is fixed on the balancing weight (52), and the driving mechanism (51) can drive the traction mechanism (53) to drive the balancing weight (52) to vertically move upwards.
3. The swivel system across a railway bridge of claim 2, wherein: the driving mechanism (51) comprises a fixed seat (511) fixed on the upper surface of the spherical hinge lower support (1), a receiving and releasing roller (512) rotatably connected to the top of the fixed seat (511) and a driving motor (513) arranged on the side surface of the fixed seat (511), wherein a power output shaft of the driving motor (513) is fixedly connected with a rotating shaft of the receiving and releasing roller (512).
4. The swivel system across a railway bridge of claim 3, wherein: the fixed seat (511) comprises a fixed bottom plate (514) fixed on the upper surface of the spherical hinge lower support (1) and supporting plates (515) vertically fixed at two ends of the fixed bottom plate (514); the supporting plates (515) are arranged in parallel, and the take-up and pay-off rollers (512) are arranged between the supporting plates (515) and are rotatably connected to the tops of the supporting plates (515).
5. The swivel system across a railway bridge of claim 3, wherein: the two traction mechanisms (53) are respectively arranged at two opposite sides of the balancing weight (52).
6. The swivel system across a railroad bridge of claim 5, wherein: the traction mechanism (53) comprises a fixed pulley (531) fixed on the lower surface of the short bridge body (42), a movable pulley (532) fixed in the middle of one side surface of the balancing weight and a traction iron cable (533); one end of the traction iron cable (533) is fixed on the side surface of the take-up and pay-off roller (512), and the other end of the traction iron cable (533) is wound around the top of the fixed pulley (531) and the bottom of the movable pulley (532) and is finally fixed on a bottom hook of the fixed pulley.
7. The swivel system across a railroad bridge of claim 6, wherein: the fixed pulley (531) is arranged right above the movable pulley (532).
8. The swivel system across a railroad bridge of claim 6, wherein: a partition plate (516) is arranged in the middle of the side surface of the take-up and pay-off roller (512), and the two traction iron cables (533) are respectively fixed on two sides of the partition plate (516).
9. The swivel system across a railway bridge of claim 3, wherein: the lower surface of the short bridge body (42) is provided with two vertical fixing rods (421), the fixing rods (421) are vertically arranged, and the fixing rods (421) are arranged on two sides of the balancing weight (52) and can be in contact with the balancing weight (52).
10. The swivel system across a railroad bridge of claim 9, wherein: the fixed rod (421) and the traction mechanism (53) are not in the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011363417.6A CN112523094A (en) | 2020-11-28 | 2020-11-28 | Swivel system of cross-railway bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011363417.6A CN112523094A (en) | 2020-11-28 | 2020-11-28 | Swivel system of cross-railway bridge |
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| Publication Number | Publication Date |
|---|---|
| CN112523094A true CN112523094A (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011363417.6A Pending CN112523094A (en) | 2020-11-28 | 2020-11-28 | Swivel system of cross-railway bridge |
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| CN (1) | CN112523094A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863165A (en) * | 2021-09-17 | 2021-12-31 | 中铁七局集团有限公司 | Large-section wide-width rigid frame bridge swivel weighing system and method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2582023A1 (en) * | 2006-03-23 | 2007-09-23 | Mordehay Carmel | Mobile compression and tension bridge and shelter structure |
| CN103924530A (en) * | 2014-04-30 | 2014-07-16 | 中铁西南科学研究院有限公司 | Method and system for regulating and controlling balance weight in bridge swivel construction process |
| CN104047579A (en) * | 2014-06-19 | 2014-09-17 | 中国海洋石油总公司 | Method for installing undersea production equipment |
| CN205114903U (en) * | 2015-11-21 | 2016-03-30 | 广东庞源工程机械有限公司 | Demolition structure of tower crane counter weight |
| CN105970835A (en) * | 2016-05-31 | 2016-09-28 | 中铁第五勘察设计院集团有限公司 | Cable-stayed bridge swivel construction weighing structure and weighing method |
| CN108193604A (en) * | 2017-11-28 | 2018-06-22 | 中交二航局第二工程有限公司 | Ballasting method of weighing during box beam T structures balance swivel |
| CN108677735A (en) * | 2018-06-30 | 2018-10-19 | 中铁二十局集团有限公司 | A kind of asymmetric Liangping face rotation swivel construction method |
| CN209411656U (en) * | 2018-12-26 | 2019-09-20 | 天津市峰达成建材有限公司 | A kind of solid brick hanging device |
| CN210368599U (en) * | 2019-06-27 | 2020-04-21 | 中铁十九局集团第五工程有限公司 | High mound side is striden counter weight structure |
| CN211895701U (en) * | 2019-10-26 | 2020-11-10 | 郭艺斐 | Pipeline laying device for bridge construction |
-
2020
- 2020-11-28 CN CN202011363417.6A patent/CN112523094A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2582023A1 (en) * | 2006-03-23 | 2007-09-23 | Mordehay Carmel | Mobile compression and tension bridge and shelter structure |
| CN103924530A (en) * | 2014-04-30 | 2014-07-16 | 中铁西南科学研究院有限公司 | Method and system for regulating and controlling balance weight in bridge swivel construction process |
| CN104047579A (en) * | 2014-06-19 | 2014-09-17 | 中国海洋石油总公司 | Method for installing undersea production equipment |
| CN205114903U (en) * | 2015-11-21 | 2016-03-30 | 广东庞源工程机械有限公司 | Demolition structure of tower crane counter weight |
| CN105970835A (en) * | 2016-05-31 | 2016-09-28 | 中铁第五勘察设计院集团有限公司 | Cable-stayed bridge swivel construction weighing structure and weighing method |
| CN108193604A (en) * | 2017-11-28 | 2018-06-22 | 中交二航局第二工程有限公司 | Ballasting method of weighing during box beam T structures balance swivel |
| CN108677735A (en) * | 2018-06-30 | 2018-10-19 | 中铁二十局集团有限公司 | A kind of asymmetric Liangping face rotation swivel construction method |
| CN209411656U (en) * | 2018-12-26 | 2019-09-20 | 天津市峰达成建材有限公司 | A kind of solid brick hanging device |
| CN210368599U (en) * | 2019-06-27 | 2020-04-21 | 中铁十九局集团第五工程有限公司 | High mound side is striden counter weight structure |
| CN211895701U (en) * | 2019-10-26 | 2020-11-10 | 郭艺斐 | Pipeline laying device for bridge construction |
Non-Patent Citations (2)
| Title |
|---|
| 刘志如: "非对称斜拉桥跨越武广高铁水平转体施工技术", 《科技与创新》 * |
| 张成: "大跨度斜拉桥转体不平衡称重施工技术", 《施工技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863165A (en) * | 2021-09-17 | 2021-12-31 | 中铁七局集团有限公司 | Large-section wide-width rigid frame bridge swivel weighing system and method |
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Application publication date: 20210319 |
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