CN102251466B - Fixed rotating shaft type hydraulic opening bridge - Google Patents
Fixed rotating shaft type hydraulic opening bridge Download PDFInfo
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- CN102251466B CN102251466B CN 201110106688 CN201110106688A CN102251466B CN 102251466 B CN102251466 B CN 102251466B CN 201110106688 CN201110106688 CN 201110106688 CN 201110106688 A CN201110106688 A CN 201110106688A CN 102251466 B CN102251466 B CN 102251466B
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Abstract
The invention relates to a fixed rotating shaft type hydraulic opening bridge, in particular to a vertically rotatable type opening bridge, belonging to the field of bridges. In the design, hydraulic oil cylinders and a main bearing mechanism are connected between the back part of a main steel bridge and a foundation, and a balance weight is arranged at the back end of the main steel bridge. When the main steel bridge is lifted, the hydraulic oil cylinders are controlled to shrink so as to provide a tensile force to the main steel bridge; because the balance weight is arranged at the back end of the main steel bridge, a force moment jointly generated by the tensile force and the balance weight is more than that generated by the weight of the main steel bridge per se, the main steel bridge is lifted stably, otherwise, the main steel bridge can be descended stably; even if one of the hydraulic oil cylinders goes wrong, the safety of the main steel bridge in the lifting or descending process can also be ensured; when the main steel bridge is horizontally descended to a bridge pier, an aligning seat, a buffering rubber and a lower bearing seat on the bridge pier are stably aligned and self-locked into a closed state; an adjustable pivot design of a main bearing mechanism can automatically compensate the twisting movement of main shafts caused by decentraction of the two main shafts, and thus, the safety and the stableness for starting and stopping the main steel bridge are thoroughly ensured.
Description
Technical field
A kind of fixed rotating shaft formula of the present invention hydraulic pressure opening bridge belongs to the bridge field, is specifically related to the vertical rotary type movable bridge.
Background technology
At present, the vertical rotary type movable bridge that has used hydraulic jack adopts hydraulic power system to promote bridge through oil cylinder and opens through the fixed rotating shaft rotation; This pattern has improvement to the outward appearance of bridge; And the saving space, what fixed rotating shaft generally adopted is non-maintaining bearing, this bearing corrosion resistance is good; Make the maintenance process of bridge is reduced greatly, reduce maintenance cost.Being provided with at oil cylinder has several kinds of patterns on the position: a kind of is the postposition that hydraulic jack is placed in bridge, and stretching through oil cylinder promotes movable bridge and open.But when movable bridge is opened and is placed to level, do not make hydraulic jack pressure bigger, hydraulic jack is had relatively high expectations,, under the effect of movable bridge gravity, can cause very big security incident in case oil cylinder goes wrong because balance weight is set; Another kind is that an oil cylinder respectively is set before and after fixed rotating shaft, when movable bridge is opened or descended, one of oil cylinder is drawn like this, a pressurized, and pressure reduces, but oil cylinder goes wrong, and under the effect of movable bridge gravity, also can cause very big security incident.Also having a kind of is that oil cylinder is arranged on the fixed rotating shaft front portion, and balance weight is arranged on the bottom of bridge, and the lower space to bridge requires very big like this.Therefore, improve comprehensively the hydraulic pressure opening bridge safe, stability and property easy to maintenance extremely urgent.
Summary of the invention
The purpose of this invention is to provide a kind of fixed rotating shaft formula hydraulic pressure opening bridge, to improve the safety and stability performance of fixed rotating shaft formula hydraulic pressure opening bridge; Have excellent operability and maintenance, thereby promote the extensive practicality of fixed rotating shaft formula hydraulic pressure opening bridge comprehensively.
The present invention adopts following technical scheme:
A kind of fixed rotating shaft formula of the present invention hydraulic pressure opening bridge comprises main steel bridge, base bearing mechanism; Counterweight, hydraulic jack, locking centralising device; Hydraulic system and control system, the locking centralising device is arranged on the front end of main steel bridge, and characteristics are that hydraulic jack and base bearing mechanism are connected between main steel bridge rear portion and the ground; Counterweight is arranged on the rear end of main steel bridge, and base bearing mechanism is made up of box longeron web, main bearing seat, adjustable pivot, fixed pivot axi, non-maintaining bearing and pedestal, and non-maintaining bearing is installed on main bearing seat; Adjustable pivot and fixed pivot axi are symmetrical set and are installed in box longeron web the right and left respectively; Be connected with non-maintaining bearing bearing respectively, its box longeron web is connected with the rear portion of main steel bridge, and its main bearing seat is fixedly connected with the corresponding ground at main steel bridge rear portion through mounting base.
Above-mentioned locking centralising device, by dead bolt, electric pushrod; Base, lower seat, centering seat and buffering rubber are formed, and dead bolt is connected with electric pushrod, is installed in main steel bridge toe-end through base; The centering seat is installed on the main steel bridge with buffering rubber; Lower seat is installed on the bridge pier, and the contact surface of centering seat and lower seat is an inclined surface, between dead bolt and the lower seat contact surface angle of slope is arranged.
The present invention's design is connected hydraulic jack and base bearing mechanism between main steel bridge rear portion and the ground, and counterweight is arranged on the rear end of main steel bridge, when main steel bridge hoists; Control system control locked mechanism dead bolt shrinks, but main steel bridge gets into opening, and the control hydraulic jack shrinks; Give main steel bridge pulling force; And because of counterweight is located at the rear end of main steel bridge, the moment that the common moment that produces of pulling force and counterweight is produced greater than main steel bridge own wt, main steel bridge is stable to hoist; When main steel bridge was transferred, the control system controlled hydraulic jack and extends, and gives main steel bridge thrust, and the moment that counterweight this moment produces can steadily transfer winner's steel bridge less than the moment of hydraulic jack thrust and main steel bridge deadweight generation; When main steel bridge drops to level, when dropping down onto bridge pier, the centering seat on the main steel bridge and buffering rubber reach with lower seat on the bridge pier stablizes centering, and the impact force when effectively slowing down steel bridge decline.After main steel bridge was transferred completion, the dead bolt of control locking centralising device stretched out, through between dead bolt and the lower seat the angle of slope reach self-locking, main steel bridge locking is got into can not opening.The adjustable pivot design of base bearing of the present invention mechanism, main shaft can be along the horizontal moving linearly of bridge in base bearing, and base bearing can universally rotate, so can reduce the requirement of base bearing mechanism to installation accuracy, two main shaft decentraction.Adjustable pivot can compensate the main shaft torsional motion that causes because of two main shaft decentraction automatically, guarantees that bridge is opened stably and closed, and puts in position and keep flat.Because being arranged on the rear end of main steel bridge, counterweight cooperates with hydraulic jack; Guaranteeing the unlatching of main steel bridge and keep flat can even running; Even when one of them oil cylinder breaks down; Can guarantee that also main steel bridge opening or transferring process safe, and hydraulic jack adopts ceramic cylinder rod to make it very outstanding aspect anti-erosion, later maintenance is also convenient.And advanced locking centralising device has also guaranteed the safety of main steel bridge under flat condition and stable, also can use stretching out of manual control dead bolt even powering-off state occurs, guarantees that main steel bridge is in safe state.When movable bridge opening angle during greater than 60 ° to 75 °; Because the counterweight effect, the moment of counterweight that makes main steel bridge rear end so just can guarantee when bridge floor is opened to 75 ° greater than main steel bridge dead-load moment; Under the normal passage situation of boats and ships; Even the hydraulic jack failure conditions occurs, the major accident that forwards descending suddenly can not appear in main steel bridge yet occurs, and guarantees the current safety of boats and ships.
Description of drawings
Fig. 1 structural representation of the present invention
Fig. 2 structure A-A sketch map of the present invention
Fig. 3 the present invention opens 75 ° of sketch mapes
Fig. 4 structure schematic top plan view of the present invention
Fig. 5 base bearing structural scheme of mechanism of the present invention
Fig. 6 the present invention centralising device sketch map that locks
The adjustable hinge mechanism sketch map of Fig. 7 base bearing of the present invention
The fixed pivot axi structural scheme of mechanism of Fig. 8 base bearing of the present invention
The lock dead bolt of centralising device of Fig. 9 the present invention contacts the locking sketch map with the lower seat contact surface
The specific embodiment
How combine accompanying drawing to further specify the present invention implements at present:
The design's fixed rotating shaft formula hydraulic pressure opening bridge comprises main steel bridge 1, base bearing mechanism 2; Counterweight 3; Hydraulic jack 4, locking centralising device 5, hydraulic system 6, control system 7, locking centralising device 5 is arranged on the front end of main steel bridge 1; Base bearing mechanism 2 and hydraulic jack 4 are connected between main steel bridge 1 rear portion and the ground 17; Counterweight 3 is arranged on the rear end of main steel bridge 1, and base bearing mechanism 2 is made up of box longeron web 10, main bearing seat 11, adjustable pivot 12, fixed pivot axi 19, non-maintaining bearing 13 and pedestal 14, and non-maintaining bearing 13 is installed on main bearing seat 11; Adjustable pivot 12 is symmetrical set with fixed pivot axi 19 and is installed in box longeron web 10 the right and lefts respectively; Its end is connected with non-maintaining bearing bearing 13 respectively, and box longeron web 10 is connected with the rear portion of main steel bridge 1, and 11 of main bearing seats are installed on pedestal 14 through it and are fixedly connected with the corresponding ground at main steel bridge 1 rear portion;
Lock centralising device 5 by dead bolt 20, electric pushrod 9, base 15, lower seat 21, centering seat 22 and buffering rubber 23 are formed; Dead bolt 20 is connected with electric pushrod 9, is installed in main steel bridge 1 toe-end through base 15, and centering seat 22 is installed on the main steel bridge 1 with buffering rubber 23; Lower seat 21 is installed on the bridge pier 16, and centering seat 22 is an inclined surface with the contact surface of lower seat 21, deviation when main steel bridge 1 descends, occurs; After contact, owing to the inclined surface of the lower seat 21 on centering seat on the main steel bridge 1 22 and the bridge pier, under the effect of gravity; B glides along the inclined-plane to make main steel bridge; Stablize centering thereby reach, the upper surface that contacts between dead bolt 20 and the lower seat 21 has certain inclined plane a, and the soffit that lower seat 21 contacts with dead bolt 20 also has certain inclined plane c; Reach a self-locking angle between these two inclined planes, make dead bolt 20 levels stretch to lower seat 21 back and reach self-locking.Under the situation of gravity, can not push dead bolt 20 open, only under the horizontal pull effect of electric pushrod 9, could dead bolt 20 be spurred out in the lower seat 21 and pull out.
Running about fixed rotating shaft formula hydraulic pressure opening bridge of the present invention:
Claims (2)
- , a kind of fixed rotating shaft formula hydraulic pressure opening bridge, comprise main steel bridge, base bearing mechanism; Counterweight, hydraulic jack, locking centering body; Hydraulic pressure and control system, the locking centering body is arranged on the front end of main steel bridge, it is characterized in that hydraulic jack and base bearing mechanism are connected between main steel bridge rear portion and the ground; Counterweight is arranged on the rear end of main steel bridge, and base bearing mechanism is made up of box longeron web, main bearing seat, adjustable pivot, fixed pivot axi, non-maintaining bearing and pedestal, and non-maintaining bearing is installed on main bearing seat; Adjustable pivot and fixed pivot axi are symmetrical set and are installed in box longeron web the right and left respectively; Be connected with non-maintaining bearing bearing respectively, its box longeron web is connected with the rear portion of main steel bridge, and its main bearing seat is fixedly connected with the corresponding ground at main steel bridge rear portion through pedestal.
- 2. according to a kind of fixed rotating shaft formula hydraulic pressure opening bridge of claim 1; The centering body that it is characterized in that locking is made up of dead bolt, electric pushrod, base, lower seat, centering seat and buffering rubber, and dead bolt is connected with electric pushrod, is installed in main steel bridge toe-end through base; The centering seat is installed on the main steel bridge with buffering rubber; Lower seat is installed on the bridge pier, and the contact surface of centering seat and lower seat is an inclined surface, between dead bolt and the lower seat contact surface angle of slope is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110106688 CN102251466B (en) | 2011-04-27 | 2011-04-27 | Fixed rotating shaft type hydraulic opening bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110106688 CN102251466B (en) | 2011-04-27 | 2011-04-27 | Fixed rotating shaft type hydraulic opening bridge |
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| Publication Number | Publication Date |
|---|---|
| CN102251466A CN102251466A (en) | 2011-11-23 |
| CN102251466B true CN102251466B (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110106688 Active CN102251466B (en) | 2011-04-27 | 2011-04-27 | Fixed rotating shaft type hydraulic opening bridge |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103031805A (en) * | 2013-01-07 | 2013-04-10 | 天津市市政工程设计研究院 | Single-cantilever supporting system for vertically-rotary movable bridge and installing method thereof |
| CN103061247A (en) * | 2013-01-07 | 2013-04-24 | 天津市市政工程设计研究院 | Method for enlarging moving angle of vertical rotation type movable bridge |
| CN103510459B (en) * | 2013-09-29 | 2015-07-08 | 武汉武桥交通装备技术有限公司 | Lifting opening and closing mechanism of perpendicular lifting type opening bridge |
| CN106351111A (en) * | 2016-10-31 | 2017-01-25 | 中国葛洲坝集团三峡建设工程有限公司 | Split type bottom pushing movable road bridge |
| CN110630595B (en) * | 2019-10-08 | 2021-03-26 | 武汉武桥交通装备技术有限公司 | Hydraulic system for controlling opening bridge to stably fall to bridge support |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3848288A (en) * | 1973-05-14 | 1974-11-19 | Autoquip Corp | Safety lock for bascule bridge |
| DE2757537A1 (en) * | 1976-12-29 | 1978-07-06 | Mac Gregor International Sa | DEVICE FOR FOLDING BACK AND EXTENDING A MOVABLE ACCESS BRIDGE OR RAMP |
| US5454127A (en) * | 1994-03-30 | 1995-10-03 | Teng & Associates, Inc. | Unbalanced bascule bridge with concrete slab roadway |
| CN1932158A (en) * | 2006-10-10 | 2007-03-21 | 东南大学 | Light bascule opening bridge |
| CN201033861Y (en) * | 2007-03-06 | 2008-03-12 | 湖北华舟有限责任公司 | Mechanically-driven folding trestle |
| CN101880998A (en) * | 2010-06-27 | 2010-11-10 | 黄幼华 | Lifting type invisible skew bridge |
| CN202107985U (en) * | 2011-04-27 | 2012-01-11 | 武桥重工集团股份有限公司 | Fixed rotating shaft type hydraulic opening bridge |
-
2011
- 2011-04-27 CN CN 201110106688 patent/CN102251466B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3848288A (en) * | 1973-05-14 | 1974-11-19 | Autoquip Corp | Safety lock for bascule bridge |
| DE2757537A1 (en) * | 1976-12-29 | 1978-07-06 | Mac Gregor International Sa | DEVICE FOR FOLDING BACK AND EXTENDING A MOVABLE ACCESS BRIDGE OR RAMP |
| US5454127A (en) * | 1994-03-30 | 1995-10-03 | Teng & Associates, Inc. | Unbalanced bascule bridge with concrete slab roadway |
| CN1932158A (en) * | 2006-10-10 | 2007-03-21 | 东南大学 | Light bascule opening bridge |
| CN201033861Y (en) * | 2007-03-06 | 2008-03-12 | 湖北华舟有限责任公司 | Mechanically-driven folding trestle |
| CN101880998A (en) * | 2010-06-27 | 2010-11-10 | 黄幼华 | Lifting type invisible skew bridge |
| CN202107985U (en) * | 2011-04-27 | 2012-01-11 | 武桥重工集团股份有限公司 | Fixed rotating shaft type hydraulic opening bridge |
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| Publication number | Publication date |
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| CN102251466A (en) | 2011-11-23 |
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