CN203160138U - Reusable swivel system based on bridge swivel technology - Google Patents
Reusable swivel system based on bridge swivel technology Download PDFInfo
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- CN203160138U CN203160138U CN 201320163031 CN201320163031U CN203160138U CN 203160138 U CN203160138 U CN 203160138U CN 201320163031 CN201320163031 CN 201320163031 CN 201320163031 U CN201320163031 U CN 201320163031U CN 203160138 U CN203160138 U CN 203160138U
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Abstract
The utility model discloses a reusable swivel system based on a bridge swivel technology, which comprises an upper turnplate, a lower turnplate, a jacking system, a horizontal fastening mechanism and a traction device, wherein the upper turnplate is in relative rotation connection with the lower turnplate; the traction device is fixedly arranged on the lower turnplate, and is used for pulling the upper turnplate to rotate; the horizontal fastening mechanism is connected with the lower turnplate; and the jacking system is independently arranged or is arranged on the lower turnplate. The swivel system is simple in structure, convenient to use, high in safety, cost-saving, good in generality and reusable, so that the equipment and construction cost of the swivel technology is lowered greatly, and the swivel system has very great application and promotion values for the construction of an existing line overpass particularly.
Description
Technical field
The utility model belongs to bridge rotator construction technical field, particularly relates to a kind of based on the bridge reusable system that turns of technology that turns.
Background technology
Bridge is built so far in the Suining of first rotator construction that built up from 1977, and the whole nation adopts rotation swivel construction method to build up nearly 200 bridge blocks.Rotator construction is from the mountain development to the Plain; The weight of turning rises to ton by kiloton; Rotator construction technology also develops into no balance rotator construction, vertical transfer construction, vertical transfer by the balance rotator construction and adds the construction of flatting turn, and has obtained technical economic benefit preferably.
Because rotator construction has and do not influence greater advantages such as navigation, driving under existing line operation, the bridge, a large amount of utilizations have been obtained when building the overpass beam at leap deep valley, river, existing line.Along with the enforcement of " china railway the sixth time speed-raising ", China is the Eleventh Five-Year Plan period stepping into " high ferro epoch ", and railway has welcome beyond example high speed, great-leap-forward development, and railway transportation is reached advanced world standards; By the end of the year 2010, the whole nation amounts to 135 railway lines, and the china railway revenue kilometres reach 9.10 ten thousand kilometers, occupy the second in the world; Wherein the high ferro mileage that puts into effect reaches 8358 kilometers, and high-speed railway operation mileage height ranks first in the world, and grade separation passage construction demand quantity along the line is huge.On August 23rd, 2010, Ministry of Railways's engineering design evaluating center telegram " building the emergency notice that the relevant issues design is verified about carrying out Line for Passenger Transportation " is pointed out: should forbid to build public affairs (iron) road cross-line overpass bridge on the Line for Passenger Transportation that has built up, should take safety measure such as bridge rotator construction in the time of must building and report Ministry of Railways's approval.Based on this background, the technology of turning as can be known is one of main development trend of striding future existing line grade separation bridge Construction Technology.
But the technology of turning also exposes more problem when obtaining the good technique economic benefit.The first, the bridge of employing rotator construction technology, its turning hinge system cost height, and be disposable use, the wasting of resources is very big; The second, the turning hinge system is a bridge one design, fails to carry out rotator construction generalization, standardization, regularization; The 3rd, do not form perfect, the reliable security control system of a cover; The 4th, adopt the bridge of the technology of turning mostly to be steel concrete and encased structures at present, the construction period is longer, has restricted bridge rotator construction progress greatly.Therefore, how safety, fast, the turn development of technology of the propelling bridge saved seems particularly urgent, but and the key of dealing with problems be to develop a cover batch production manufacturing, Installation and Debugging easy, safe and reliable, can be recycled, the system that turns that can be general.
The utility model content
The purpose of this utility model just provides that a kind of safety is good, versatility is good, save cost, can be recycled based on the bridge reusable system that turns of technology that turns, thereby solve the problem that above-mentioned prior art exists fully.
The purpose of this utility model realizes by following technical proposals:
A kind of based on the bridge reusable system that turns of technology that turns, comprise top rotary table, lower rotary table, jack-up system, horizontal retention mechanism and draw-gear, described top rotary table relatively rotates with lower rotary table and is connected, draw-gear is installed in and is used for the rotation of traction top rotary table on the lower rotary table, horizontal retention mechanism is connected with lower rotary table, and jack-up system independently arranges or is arranged on the lower rotary table.
Further, described lower rotary table is provided with the spill mounting groove, and there is rotating shaft at the mounting groove center, and top rotary table places mounting groove and cooperates with the rotating shaft activity.
Further, described mounting groove bottom surface is provided with polyfluortetraethylene plate and lubricating layer, reduces frictional resistance between top rotary table and the lower rotary table contact surface, improves rotating effect.
Further, along the mounting groove inwall insurance leg is set.
Further, described rotating shaft is provided with lubricating layer, reduces the frictional resistance between top rotary table and the mini-roundabout, rotates more smooth and easy.
As preferably, described draw-gear comprises and turns to fixed pulley, traction steel bundle and continuously tensioning jack, turns to fixed pulley and continuously tensioning jack to be installed on the lower rotary table, and traction steel Shu Yiduan is connected with top rotary table, traction steel bundle is walked around and is turned to fixed pulley, and the other end is connected with the continuously tensioning jack.
As preferably, described horizontal retention mechanism is horizontal hydraulic pressure jack group, and jack-up system is vertical hydraulic jack group, and horizontal hydraulic pressure jack group and vertical hydraulic jack group are circumferentially evenly installed along lower rotary table.
Further, described horizontal hydraulic pressure jack group and vertical hydraulic jack group all have synchronizing function.
Further, described lower rotary table is provided with air level, for detection of lower rotary table level whether.
Further, described top rotary table is provided with stiffening rib, and lower rotary table is provided with the load-bearing rib.
Compared with prior art, the beneficial effects of the utility model are: simple in structure, easy to use, this security of system height of turning, save cost, versatility good, can be recycled, thereby greatly reduce equipment and the operating expenses of the technology of turning, particularly for the construction of striding grade separation on the existing line, have great application and promotional value.
Description of drawings
Fig. 1 is A-A sectional view of the present utility model;
Fig. 2 is B-B sectional view of the present utility model;
Fig. 3 is C-C sectional view of the present utility model;
Fig. 4 is D-D sectional view of the present utility model;
Fig. 5 is use state diagram of the present utility model.
The specific embodiment
Below in conjunction with specific embodiments and the drawings the utility model is further described.
As shown in Figures 1 to 4, a kind of based on the bridge reusable system that turns of technology that turns, comprise top rotary table 1, lower rotary table 2, jack-up system, horizontal retention mechanism and draw-gear, described lower rotary table 1 is provided with spill mounting groove 4, mounting groove 4 bottom surfaces are provided with polyfluortetraethylene plate 10, along mounting groove 4 inwalls insurance leg 7 are set, and there is rotating shaft 9 at mounting groove 4 centers, apply the butter layer that one deck adds the tetrafluoro powder in the rotating shaft 9, top rotary table 1 places mounting groove 4 and cooperates with rotating shaft 9 activities; Described draw-gear comprises and turns to fixed pulley 8, traction steel bundle 3 and continuously tensioning jack 5, turn to fixed pulley 8 and continuously tensioning jack 5 to be installed on the lower rotary table 2, traction steel bundle 3 one ends are connected with top rotary table 1, traction steel bundle 3 is walked around and is turned to fixed pulley 8, and the other end is connected with continuously tensioning jack 5; Described horizontal retention mechanism is horizontal hydraulic pressure jack group 11, jack-up system is vertical hydraulic jack group 12, horizontal hydraulic pressure jack group 11 and vertical hydraulic jack group 12 each free four jack constitute, and horizontal hydraulic pressure jack group 11 and vertical hydraulic jack group 12 are circumferentially evenly installed along lower rotary table 2.
Described horizontal hydraulic pressure jack group 11 and vertical hydraulic jack group 12 all have synchronizing function.Can mat formation polyfluortetraethylene plate and add and be coated with butter or silicone grease of the face that connects in the above-mentioned insurance leg 7.
Described lower rotary table 2 is provided with air level 6, for detection of the whole whether level of system of turning.
As Fig. 2 and shown in Figure 4, described top rotary table 1 is provided with radiation stiffening rib 13 and annular stiffening rib 14, and lower rotary table 2 is provided with horizontal load-bearing rib 15 and vertical load-bearing rib 16.
The structure that above-mentioned jack-up system and lower rotary table 2 are combined into one is suitable for the rotator construction of little tonnage bridge (the beam body weight is smaller or equal to 100 tons).
As shown in Figure 5, when needs carry out beam body rotator construction, to be designed to concave structure on the pier roof rail 17, concretely, at bent cap 17 end faces chute is set, the chute both sides set firmly cushion block 18, the bearing 20 of brace summer body is installed at cushion block 18, top rotary table 1 constitutes turning hinge with lower rotary table 2 assemblings, this turning hinge is installed in the chute, cushion block 18 is positioned at the turning hinge both sides, and vertical hydraulic jack group 12 is initially the state of stretching out, and vertical hydraulic jack group 12 jacking lower rotary tables 2 are adjusted whole turning hinge level, horizontal hydraulic pressure jack group 11 cushion block 18 that holds out against both sides is fixed turning hinge then, then will wait to change beam body 19 and detachably be fixed on top rotary table 1 end face temporarily, and wait to change between beam body 19 bottom surfaces and the bearing 20 keeping at a certain distance away, thereby continuously tensioning jack 5 pulling traction steel bundles 3 drive top rotary table 1 and beam body 19 turns to design attitude.Start vertical hydraulic jack group 12 beam body 19 is dropped on the bearing 20,11 releases of horizontal hydraulic pressure jack group are released turning hinge at last from chute, thereby finish beam body rotator construction, and turning hinge is reusable.
As needs large-tonnage bridge (the beam body weight is greater than 100 tons) is carried out rotator construction, above-mentioned jack-up system of turning in the reusable system that turns of technology based on bridge can independently arrange.
During use, in main pier both sides lifting platform is installed, jack-up system is installed on the lifting platform, and the bent cap end face on the main pier is installed turning hinge, carries out beam body rotator construction then, and turning hinge is fetched reusable after finishing.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. one kind based on the bridge reusable system that turns of technology that turns, comprise top rotary table, lower rotary table, jack-up system, horizontal retention mechanism and draw-gear, it is characterized in that: described top rotary table relatively rotates with lower rotary table and is connected, draw-gear is installed in and is used for the rotation of traction top rotary table on the lower rotary table, horizontal retention mechanism is connected with lower rotary table, and jack-up system independently arranges or is arranged on the lower rotary table.
2. according to claim 1 it is characterized in that: described lower rotary table is provided with the spill mounting groove based on the bridge reusable system that turns of technology that turns, and there is rotating shaft at the mounting groove center, and top rotary table places mounting groove and cooperates with the rotating shaft activity.
3. according to claim 2 based on the bridge reusable system that turns of technology that turns, it is characterized in that: described mounting groove bottom surface is provided with polyfluortetraethylene plate and lubricating layer.
4. according to claim 3 based on the bridge reusable system that turns of technology that turns, it is characterized in that: along the mounting groove inwall insurance leg is set.
5. according to claim 4 based on the bridge reusable system that turns of technology that turns, it is characterized in that: described rotating shaft is provided with lubricating layer.
6. according to claim 1 or 4 described based on the bridge reusable system that turns of technology that turns, it is characterized in that: described draw-gear comprises and turns to fixed pulley, traction steel bundle and continuously tensioning jack, turn to fixed pulley and continuously tensioning jack to be installed on the lower rotary table, traction steel Shu Yiduan is connected with top rotary table, traction steel bundle is walked around and is turned to fixed pulley, and the other end is connected with the continuously tensioning jack.
7. according to claim 6 based on the bridge reusable system that turns of technology that turns, it is characterized in that: described horizontal retention mechanism is horizontal hydraulic pressure jack group, jack-up system is vertical hydraulic jack group, and horizontal hydraulic pressure jack group and vertical hydraulic jack group are circumferentially evenly installed along lower rotary table.
8. according to claim 7 based on the bridge reusable system that turns of technology that turns, it is characterized in that: described horizontal hydraulic pressure jack group and vertical hydraulic jack group all have synchronizing function.
9. according to claim 8 based on the bridge reusable system that turns of technology that turns, it is characterized in that: described lower rotary table is provided with air level.
10. according to claim 9 it is characterized in that: described top rotary table is provided with stiffening rib based on the bridge reusable system that turns of technology that turns, and lower rotary table is provided with the load-bearing rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320163031 CN203160138U (en) | 2013-04-03 | 2013-04-03 | Reusable swivel system based on bridge swivel technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320163031 CN203160138U (en) | 2013-04-03 | 2013-04-03 | Reusable swivel system based on bridge swivel technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203160138U true CN203160138U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320163031 Expired - Lifetime CN203160138U (en) | 2013-04-03 | 2013-04-03 | Reusable swivel system based on bridge swivel technology |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147408A (en) * | 2013-04-03 | 2013-06-12 | 中铁西南科学研究院有限公司 | Bridge rotation constructing process and rotation system |
| CN104532747A (en) * | 2014-12-17 | 2015-04-22 | 中铁西南科学研究院有限公司 | Manual single-point synchronous traction equipment and method of chain hoist |
| CN106869037A (en) * | 2017-03-22 | 2017-06-20 | 中铁建大桥工程局集团第五工程有限公司 | The reusable ball pivot construction of pier top erection by swing constructing continuous beam |
| CN107130525A (en) * | 2017-06-26 | 2017-09-05 | 中铁西南科学研究院有限公司 | The worm and gear trailer system and traction method of bridge rotating |
| CN113756171A (en) * | 2021-08-30 | 2021-12-07 | 中铁第五勘察设计院集团有限公司 | Combined bridge reverse rotation device and bridge |
-
2013
- 2013-04-03 CN CN 201320163031 patent/CN203160138U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147408A (en) * | 2013-04-03 | 2013-06-12 | 中铁西南科学研究院有限公司 | Bridge rotation constructing process and rotation system |
| CN104532747A (en) * | 2014-12-17 | 2015-04-22 | 中铁西南科学研究院有限公司 | Manual single-point synchronous traction equipment and method of chain hoist |
| CN106869037A (en) * | 2017-03-22 | 2017-06-20 | 中铁建大桥工程局集团第五工程有限公司 | The reusable ball pivot construction of pier top erection by swing constructing continuous beam |
| CN107130525A (en) * | 2017-06-26 | 2017-09-05 | 中铁西南科学研究院有限公司 | The worm and gear trailer system and traction method of bridge rotating |
| CN113756171A (en) * | 2021-08-30 | 2021-12-07 | 中铁第五勘察设计院集团有限公司 | Combined bridge reverse rotation device and bridge |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
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| CX01 | Expiry of patent term |