CN209873572U - Interim navigation lifting station of adjustable vertical lift height - Google Patents
Interim navigation lifting station of adjustable vertical lift height Download PDFInfo
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- CN209873572U CN209873572U CN201822120505.8U CN201822120505U CN209873572U CN 209873572 U CN209873572 U CN 209873572U CN 201822120505 U CN201822120505 U CN 201822120505U CN 209873572 U CN209873572 U CN 209873572U
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- lifting
- main truss
- portal
- portal frame
- adjustable vertical
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Abstract
A temporary navigation lifting station with adjustable vertical lifting height comprises a fender pile, a lifting portal frame and a main truss beam, wherein the lifting portal frame is symmetrically arranged at two ends of the main truss beam, the main truss beam is positioned between two vertical columns of the lifting portal frame and placed on a bearing beam at the top of a pile foundation of the lifting portal frame, the bearing beam is provided with a limiting device, two ends of the main truss beam are respectively provided with a hanging beam, and two ends of the hanging beam are respectively fixed with a movable pulley; the lifting gantry structure comprises a lifting gantry, a platform, a winch and a control room, wherein the platform is arranged below a stand column of the lifting gantry and higher than a main truss beam in an un-lifted state, two groups of fixed pulleys are arranged at the top end of the lifting gantry and are respectively matched with two movable pulleys below the lifting gantry to form two pulley blocks, two guide wheels are arranged on one side of each fixed pulley, and a steel wire rope of each winch is connected with an adjacent pulley block after passing through the two guide wheels. The utility model discloses when promoting, the main truss roof beam atress is even more and easily control, guarantees that the bridge floor steadily promotes, can obviously improve navigation efficiency and security when navigation is frequent.
Description
Technical Field
The utility model belongs to bridge construction field, concretely relates to interim navigation hoisting station of adjustable vertical lift height.
Background
The construction of the sea-crossing bridge is beneficial to promoting the development of both banks and surrounding areas, but the construction of the bridge changes the local ship navigation environment. Steel trestles are often used as temporary facilities in the field of bridge construction, but the conventional fixed steel trestles limit the navigation height of ships. The drawback that traditional steel trestle bridge floor is fixed has been solved to appearance of interim navigation lift station, can satisfy large-scale boats and ships navigation requirement, satisfies construction vehicle current requirement again, can solve fixed steel trestle support too high effectively, and trestle stability is low, the low scheduling problem of vehicle current security. Meanwhile, the construction cost is reduced, the waste of manpower and material resources is avoided, and the overall performance is improved. The hoist engine of ordinary navigation hoisting frame is put on the top of hoisting frame, and need set up relevant maintenance platform and artifical climbing passageway, and not only the maintenance is inconvenient, has increased the risk that aerial working brought simultaneously. When the ordinary lifting station is lifted, uneven stress is easy to cause the inclination of the bridge deck, so that a lot of problems occur in navigation. In order to solve the problems, a lifting structure which not only meets the requirements of navigation and traffic but also is safe and convenient needs to be found.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an interim navigation hoisting station of adjustable vertical lift height can be when promoting the bridge floor for the atress is even more and easily control, guarantees the steady promotion of bridge floor, can obviously improve navigation efficiency and improve the security when navigation is frequent.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a temporary navigation lifting station with adjustable vertical lifting height comprises a fender pile, a lifting portal and a main truss girder, wherein the lifting portal is symmetrically arranged at two ends of the main truss girder, the lower part of the lifting portal is a lifting portal pile foundation, the upper part of the lifting portal is a steel truss, the main truss girder is positioned between two stand columns of the lifting portal, a bridge deck is arranged on the main truss girder, two ends of the main truss girder are placed on bearing beams, the bearing beams are supported at the top of the lifting portal pile foundation, limiting devices for limiting the main truss girder are arranged on the bearing beams, two ends of the main truss girder are respectively provided with a hanging beam, and two ends of the hanging beam are respectively fixed with a movable pulley; the platform is arranged below the upright post of the lifting portal frame and is higher than the main truss beam in an un-lifted state, the control room for operating the winch and the winch is arranged on the platform, two groups of fixed pulleys are arranged at the top end of the lifting portal frame and are respectively matched with two movable pulleys below to form two pulley blocks, two guide wheels are arranged on one side of each fixed pulley, and a steel wire rope of each winch is connected with the adjacent pulley blocks after passing through the two guide wheels.
The main truss girder is in a structural form of two transverse trusses.
And the upper part of the main truss girder is provided with a transverse distribution girder, and the bridge deck is paved on the upper part of the transverse distribution girder.
The inner side of the lifting door frame is provided with a guide groove for the lifting beam to move up and down, and the lifting beam is provided with a guide device matched with the guide groove.
The fender pile sets up in the upper and downstream side of lifting portal, and fender pile distance lifting portal apart from is not less than 5 meters.
The pile foundation and the protective piles are all steel pipe piles, and parallel inclined struts are connected among all rows of steel pipe piles to form a whole.
And a ladder stand is arranged on one side of the upright post of the lifting portal frame.
The limiting devices are brackets which are arranged at two ends of the bearing beam and can be clamped at two sides of the main truss beam.
The support comprises a vertical rod, a pull rod and an inclined strut, the vertical rod and the pull rod are vertically connected and fixed on the bearing beam, the inclined strut is respectively connected with the vertical rod and the pull rod, and the pull rod and the lifting portal frame are fixedly connected.
Compared with the prior art, the beneficial effects of the utility model are that:
first, the utility model discloses both satisfy heavy vehicle on the bridge current, satisfy the interim navigation of large ships under the bridge again, be favorable to the artifical maintenance in later stage, artifical safety guarantee obtains improving, does benefit to observe the promotion effect, and the atress is even easily controlled more in the time of promoting, improves navigation efficiency when navigation is frequent.
Second, the utility model discloses set up two leading wheels between hoist engine and assembly pulley, at the promotion in-process, not only taut wire rope, make the atress more even easily control simultaneously.
And thirdly, in the lifting process, one side of the main truss beam is cooperatively operated by two winches, and the other side of the main truss beam is cooperatively operated by four winches, so that the twisting condition in the lifting process of the main truss beam can be effectively avoided, and the main truss beam is ensured to be kept horizontal in the lifting process.
Fourth, the utility model discloses well hoist engine setting position is lower, under the assistance of assembly pulley, still has great lifting height, and lower setting is favorable to the artifical maintenance in later stage moreover, and staff's safety guarantee obtains improving, more is favorable to observing the promotion effect, in addition, can also reduce the focus of whole promotion portal, improves the stability that promotes portal self, guarantees the security that promotes the operation.
Fifth, the utility model discloses a main truss roof beam places on the spandrel girder of below, consequently at the promotion in-process, main truss roof beam and spandrel girder are the separation, can reduce like this and promote weight, improve lifting efficiency and stationarity on the one hand, and on the other hand because the spandrel girder has great bearing area, when consequently main truss roof beam whereabouts, can be smooth place on the spandrel girder, overcome because of the positioning deviation that the skew of pile foundation brought.
Sixth, the utility model discloses well stop device not only can play the effect to the main truss roof beam location, still is connected with the promotion portal for promote portal and spandrel girder and become a whole, resist the wave jointly and strike, improve the ability that whole lift station resisted the stormy waves.
Drawings
Fig. 1 is an elevational view of the lift mast and main truss beam of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
fig. 4 is a lifting state diagram of the present invention;
the labels in the figure are: 1-fender pile, 2-lifting portal, 3-main truss beam, 4-transverse distribution beam, 5-bridge deck, 6-guiding device, 7-movable pulley, 8-fixed pulley, 9-winch, 10-guardrail, 11-bearing beam, 12-lifting portal pile foundation, 13-guiding groove, 14-control room, 15-hanging beam, 16-guiding wheel, 17-ladder stand and 18-limiting device.
Detailed Description
The technical solution of the present invention will be further explained by the following specific embodiments with reference to the accompanying drawings.
In the embodiment, the upper part of the temporary navigation lifting station adopts a steel truss, the lower structure adopts a steel pipe pile as a lifting portal pile foundation 12, the net span is 40m, the lifting height is 22m, and the navigation requirement of a 1000t cargo ship can be met.
The lifting portal pile foundation 12 and the protective pile 1 are both made of phi 1000 multiplied by 10mm steel pipe piles, and in order to enhance the overall stability of the foundation, phi 529 multiplied by 8mm parallel connection and phi 325 multiplied by 6mm diagonal bracing are adopted between each row of steel pipe piles to be connected into a whole. The upper structure of the lifting portal frame 2 and the lifting portal frame pile foundation 12 can adopt an integrated structure so as to improve the capability of the lifting station for resisting storms, the upstream and downstream sides of the lifting portal frame 2 are provided with the fender piles 1, and the distance between the fender piles 1 and the lifting portal frame 2 is not less than 5 m. Each protection pile 1 is composed of 3 steel pipe piles with the diameter of 630 mm multiplied by 10mm and a parallel inclined strut, the steel pipe piles and the parallel struts are coated with yellow-black paint, warning lamp belts are arranged on the steel pipe piles, and night warning is enhanced.
The lifting portal frames 2 are symmetrically arranged at two ends of the steel trestle, a main truss girder 3 forming the bridge body of the steel trestle is positioned between two upright posts of the lifting portal frames 2, two ends of the main truss girder 3 are arranged on the bearing beam 11, the bearing beam 11 is placed on the top of the lifting portal pile foundation 12 between the two columns, and the two ends of the bearing beam 11 are provided with limiting devices 18 to limit the position of the main truss beam 3 on the bearing beam 11, the limiting devices 18 can be two brackets arranged at two ends of the bearing beam 11, the two brackets are clamped at two sides of the main truss beam 3, the limit is carried out on the bracket, the bracket comprises an upright stanchion, a pull rod and an inclined strut, the upright stanchion and the pull rod are vertically connected and fixed on the bearing beam 11 by bolts or by welding, the two ends of the inclined strut are respectively connected with the upright stanchion and the pull rod, and the pull rod and the lifting door frame 2 are fixedly connected through bolts, so that the bearing beam 11 and the lifting door frame 2 form a whole which can resist wind waves together; the structural form of the main truss girder 3 is two transverse trusses, and the distance between the two trusses is 1.8 m.
The upper part of the main truss girder 3 is provided with a transverse distribution girder 4 with the distance of 0.75 m. The bridge deck 5 is laid on the upper part of the transverse distribution beam 4, the bridge deck 5 adopts a shaped bridge deck, and guardrails 10 are arranged on two sides of the bridge deck. The main truss girder 3 and the lifting portal frame 2 are coated with orange color for warning.
Two ends of the main truss girder 3 respectively penetrate through a hanging beam 15, and two ends of the hanging beam 15 are fixedly connected with the two movable pulleys 7.
The lower parts of the two upright posts of the lifting portal frame 2 are provided with platforms, the heights of the two platforms are consistent, the two platforms are higher than the deck slab 5 of the main truss girder 3 in a non-lifting state, a winch 9 and a control room 14 for controlling the winch 9 are arranged on the same platform, guardrails are arranged on the periphery of the platform, a ladder stand 17 is arranged between the platform and a steel trestle bridge deck, and the ladder stand 17 can extend to the top end of the lifting portal frame 2. The hoisting winch 9 is a 10t winch, and the motor of the hoisting winch 9 is a 15kW power motor.
The top end of the lifting portal frame 2 is also provided with two fixed pulleys 8 matched with the movable pulley 7 to form a pulley block, one side of each fixed pulley 8 is provided with two guide wheels 16, one group of pulley blocks, the two guide wheels 16 and one winch 9 form a lifting unit of the unilateral lifting machine, and in one lifting unit, a steel wire rope of the winch 9 passes through the two guide wheels 19 and then is connected with the pulley block; two hoisting units constitute unilateral lifting machine, and two hoist engine 9 work in coordination, undertake the unilateral of steel trestle bridge body and promote weight jointly, and two unilateral lifting machine that two promoted portal 2 just can accomplish the lift of steel trestle bridge body in step, avoid the main truss girder 3 to promote in the condition of twisting round, guarantee that the navigation hole promotes the in-process and keep the level.
The inner side surface of the lifting door frame 2 is provided with a guide groove 13 for the lifting beam 15 to move up and down, two ends of the lifting beam 15 are also provided with a guide device 6, the lifting beam 15 moves up and down along the height direction of the guide groove 13 of the lifting door frame 2 through the lifting unit, and the guide device 6 is a guide wheel or a slide block so as to be matched with the guide groove 13.
When a ship passes through the bridge deck, the passage of a bridge deck construction vehicle is suspended, an operator operates in the control room 14 to control the four winches 9 to lift simultaneously, and the bridge deck is kept horizontal during lifting so that the ship can pass through smoothly.
The utility model provides a pair of interim navigation hoisting station of adjustable vertical lift height through the improvement to the elevator group, not only satisfies the heavy vehicle current on the bridge, satisfies the interim navigation of large ships under the bridge again. The manual maintenance to the later stage is facilitated, so that the manual safety guarantee is improved, and the effect of the lifting is more favorably observed. When promoting, the atress is more even easily control for efficiency improves when navigation is frequent.
Claims (9)
1. The utility model provides a interim navigation lift station of adjustable vertical lift height, includes fender pile (1), promotes portal (2) and main truss roof beam (3), promotes portal (2) symmetry and sets up the both ends in main truss roof beam (3), and the lower part that promotes portal (2) is for promoting portal pile basis (12), and upper portion is steel truss, main truss roof beam (3) are located between two stands that promote portal (2), are equipped with decking (5) on main truss roof beam (3), its characterized in that: the two ends of the main truss girder (3) are placed on the bearing beam (11), the bearing beam (11) is supported at the top of the lifting portal pile foundation (12), a limiting device (18) for limiting the main truss girder (3) is arranged on the bearing beam (11), two ends of the main truss girder (3) are respectively provided with a hanging beam (15), and two ends of the hanging beam (15) are respectively fixed with a movable pulley (7); the platform is arranged below the upright post of the lifting portal frame (2), the platform is higher than the main truss girder (3) in a non-lifting state, a control chamber (14) for winding engine (9) and operating the winding engine (9) is arranged on the platform, two fixed pulleys (8) are installed on the top end of the lifting portal frame (2), two pulley blocks are formed by matching with two movable pulleys (7) below respectively, two guide wheels (16) are installed on one side of each fixed pulley (8), and the steel wire rope of each winding engine (9) is connected with the adjacent pulley blocks after passing through the two guide wheels (16).
2. A temporary navigable lifting station with adjustable vertical rise and fall height according to claim 1, characterized in that: the main truss girder (3) is in a structural form of two transverse groups of trusses.
3. A temporary navigable lifting station with adjustable vertical rise and fall height according to claim 2, characterized in that: the upper part of the main truss girder (3) is provided with a transverse distribution girder (4), and the bridge deck (5) is laid on the upper part of the transverse distribution girder (4).
4. A temporary navigable lifting station with adjustable vertical rise and fall height according to claim 1, characterized in that: a guide groove (13) for the lifting beam (15) to move up and down is formed in the inner side of the lifting door frame (2), and a guide device (6) matched with the guide groove (13) is arranged on the lifting beam (15).
5. A temporary navigable lifting station with adjustable vertical rise and fall height according to claim 1, characterized in that: the fender pile (1) is arranged on the upper and lower sides of the lifting portal frame (2), and the distance between the fender pile (1) and the lifting portal frame (2) is not less than 5 m.
6. A temporary navigable lifting station with adjustable vertical rise and fall height according to claim 1, characterized in that: the lifting portal pile foundation (12) and the protective piles (1) are all steel pipe piles, and parallel inclined struts are connected between every two rows of steel pipe piles to form a whole.
7. A temporary navigable lifting station with adjustable vertical rise and fall height according to claim 1, characterized in that: and a ladder (17) is arranged on one side of the upright post of the lifting portal frame (2).
8. A temporary navigable lifting station with adjustable vertical rise and fall height according to claim 1, characterized in that: the limiting devices (18) are brackets which are arranged at two ends of the bearing beam (11) and can be clamped at two sides of the main truss beam (3).
9. A temporary navigable elevating station with adjustable vertical elevation according to claim 8, characterized in that: the support comprises a vertical rod, a pull rod and an inclined strut, the vertical rod and the pull rod are vertically connected and fixed on the bearing beam (11), the inclined strut is respectively connected with the vertical rod and the pull rod, and the pull rod and the lifting portal frame (2) are fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822120505.8U CN209873572U (en) | 2018-12-18 | 2018-12-18 | Interim navigation lifting station of adjustable vertical lift height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822120505.8U CN209873572U (en) | 2018-12-18 | 2018-12-18 | Interim navigation lifting station of adjustable vertical lift height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209873572U true CN209873572U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822120505.8U Active CN209873572U (en) | 2018-12-18 | 2018-12-18 | Interim navigation lifting station of adjustable vertical lift height |
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| Country | Link |
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| CN (1) | CN209873572U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663477A (en) * | 2020-12-18 | 2021-04-16 | 保利长大工程有限公司 | Big net empty heavy load liftable navigation hole landing stage in typhoon high-rise district |
| CN113818357A (en) * | 2021-10-27 | 2021-12-21 | 中交一公局第二工程有限公司 | Construction method of lifting device of navigation steel temporary bridge under complex hydrogeological condition |
-
2018
- 2018-12-18 CN CN201822120505.8U patent/CN209873572U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112663477A (en) * | 2020-12-18 | 2021-04-16 | 保利长大工程有限公司 | Big net empty heavy load liftable navigation hole landing stage in typhoon high-rise district |
| CN112663477B (en) * | 2020-12-18 | 2021-10-22 | 保利长大工程有限公司 | Big net empty heavy load liftable navigation hole landing stage in typhoon high-rise district |
| CN113818357A (en) * | 2021-10-27 | 2021-12-21 | 中交一公局第二工程有限公司 | Construction method of lifting device of navigation steel temporary bridge under complex hydrogeological condition |
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