CN211735072U - Bailey steel bridge suspension-pushing erection system - Google Patents
Bailey steel bridge suspension-pushing erection system Download PDFInfo
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- CN211735072U CN211735072U CN201822178516.1U CN201822178516U CN211735072U CN 211735072 U CN211735072 U CN 211735072U CN 201822178516 U CN201822178516 U CN 201822178516U CN 211735072 U CN211735072 U CN 211735072U
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- bailey steel
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Abstract
The utility model discloses a bailey steel bridge hangs and pushes away method system of erectting, including bailey steel bridge, set up at the adjustable flat roll of the first left bank of floodgate, spacing and integral anchor slab of formula are detained to the bowl, set up the hoist engine at the first right bank of floodgate, adjustable flat roll is including the flat roll bottom plate, the flat roll sliding pedestal and the gyro wheel, the flat roll sliding pedestal outside is equipped with the limiting plate, the bailey steel bridge is spaned to the formula spacing of formula is detained to the bowl, foot and pre-buried integral anchor slab rigid coupling to the earth's surface, the hoist engine passes through wire rope and pulls bailey steel bridge front end until falling on the first right bank base of floodgate. The utility model discloses can avoid the bailey steel bridge to take place to derail at the suspension in-process that pushes away, prevent that bailey steel bridge from taking place to overturn falling at the in-process that erects, realize steadily erectting.
Description
Technical Field
The utility model relates to a bridge construction field, in particular to beiLei steel bridge hangs and pushes away method system of erectting.
Background
With the development of the hydropower construction cause in China, the hydropower cascade development of most rivers extends to the upstream, the engineering sites are mostly located in mountainous areas with complex terrain and inconvenient traffic, and the approach roads serving for main engineering also cross rivers with torrential water flow. In some ship lock reconstruction and extension projects, in order to facilitate vehicle passing and improve construction efficiency, a bailey bridge needs to be arranged at the head of the lock to connect the left bank and the right bank of the ship lock, so that construction roads can be extended to each construction operation surface.
At present, a conventional Bailey steel bridge is mainly erected by a suspension pushing method after being assembled on site, namely, rocking and rolling are firstly installed on bridge abutments on two banks, bridge members are assembled on the rolling, then the bridge is stably and slowly pushed out by manpower or mechanical traction to directly rock and roll on the opposite banks, and then the bridge is detached section by section and falls to the bridge for positioning. The suspension pushing method generally comprises the steps of placing rolling shafts, assembling nose frames, assembling bridge sections, pushing a bridge, removing the nose frames, dropping the bridge, paving a bridge deck and the like. Therefore, the control during erection is mainly to ensure that the shearing force and the bending moment of the truss at the pushing-out side rock-roll position do not exceed corresponding allowable values, ensure that the overturning moment generated by the outer suspension part of the truss is smaller than the stable moment generated by the non-outer suspension part of the truss, and avoid the bridge body from overturning in the pushing-out process. In order to prevent the Bailey steel bridge from overturning in the suspension pushing erection process, the existing measures mainly adopt a method of additionally arranging a nose frame at the rear counterweight or the front end of a main bridge except for improving the shear strength of the structure of the Bailey bridge truss, but the suspension pushing progress can be inevitably influenced, and the operation is complicated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a bailey steel bridge and hang pushing method system of erectting that has characteristics such as easy and simple to handle, antidumping performance is strong and factor of safety is high.
In order to realize the purpose of any one of the above utility model, the utility model provides a Bailey steel bridge suspension-pushing erection system, which comprises a Bailey steel bridge, an adjustable flat roll arranged on the left bank of a gate head, a bowl buckle type limiting frame, an integral anchor plate and a winch arranged on the right bank of the gate head; the bailey steel bridge is arranged on the adjustable flat roller, the bowl buckle type limiting frame stretches across the bailey steel bridge, the foot of the bowl buckle type limiting frame is fixedly connected with the integral anchor plate, and the winch pulls the front end of the bailey steel bridge through the steel wire rope until the bailey steel bridge falls on the brake head right bank base.
In some embodiments, the adjustable roller comprises a roller bottom plate, a roller sliding base and a roller wheel, the bailey steel bridge is arranged on the roller wheel, the roller bottom plate is arranged on the left bank of the brake head, two parallel grooves are arranged on the roller bottom plate, and the roller sliding base is movably arranged on the parallel grooves.
In some embodiments, the pan slide base is fastened to the pan base plate by bolts.
In some embodiments, a limiting plate is arranged outside the flat-rolling sliding base.
In some embodiments, the winch is anchored to the tie plate, which is adjustable in height.
In some embodiments, the bowl buckle type limiting frame is arranged on two sides of the bailey steel bridge in parallel, and the internal height and width of the bowl buckle type limiting frame are larger than those of the bailey steel bridge.
Compared with the prior art, the utility model provides a technical scheme has following beneficial effect:
(1) the utility model discloses flat roll support bailey steel bridge with adjustable push away the process in the suspension adopts, and the suitability is strong, and the limiting plate can avoid bailey steel bridge to take place the derail in the suspension push away in-process simultaneously, realizes steadily setting up.
(2) The utility model discloses a set up bowl knot formula spacing at the first left bank of floodgate, can prevent that bailey steel bridge from taking place to overturn and falling at the in-process of erectting.
(3) The utility model discloses adopt the hoist engine to pull bailey steel bridge at the first right bank of floodgate, can guarantee through adjusting the backing plate height that bailey steel bridge front end is accurate to fall on the first right bank base of floodgate, need not the counter weight or add and establish "nose frame", it is more convenient to be under construction.
Drawings
Fig. 1 is a longitudinal schematic view of a bailey steel bridge suspension-pushing erection system according to an embodiment of the present invention.
Fig. 2 is a transverse schematic view of a bailey steel bridge suspension-pushing erection system according to an embodiment of the present invention.
Fig. 3 is a top view of an adjustable platen according to an embodiment of the present invention.
Fig. 4 is a longitudinal schematic view of an adjustable platen according to an embodiment of the present invention.
In the figure: 1-bailey steel bridges; 2-gate head left bank; 3-adjustable flat rolling; 4-bowl buckle type limiting frame; 5-integral anchor plate; 6-gate head right bank; 7-a winch; 8-a flat rolling bottom plate; 9-rolling the sliding base; 10-a flat rolling roller; 11-a steel wire rope; 12-a base; 13-a groove; 14-a bolt; 15-limiting plate; 16-backing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
As shown in fig. 1 to 4, according to the utility model discloses a bailey steel bridge hangs structure of pushing method system of erectting of bailey steel bridge is shown, bailey steel bridge hangs pushing method system of erectting includes: bailey steel bridge (1), adjustable rolling plane (3), bowl buckle type limiting frame (4) and integral anchor plate (5) of setting on the first left bank (2) of floodgate and hoist engine (7) of setting in the first right bank (6) of floodgate, wherein bailey steel bridge (1) is arranged in on the adjustable rolling plane (3), bowl buckle type limiting frame (4) span bailey steel bridge (1), integral anchor plate (5) are pre-buried at the earth's surface, the foot of bowl buckle type limiting frame (4) with integral anchor plate (5) rigid coupling, hoist engine (7) pull the front end of bailey steel bridge (1) through wire rope (11) until bailey steel bridge (1) falls on the first right bank (6) base (12) of floodgate.
Wherein adjustable flat roll (3) still include flat roll bottom plate (8), flat roll sliding base (9) and flat roll gyro wheel (10), bailey steel bridge (1) is settled on flat roll gyro wheel (10), flat roll bottom plate (8) of adjustable flat roll (3) set up on the first left bank of floodgate (2), be equipped with twice parallel recess (13) on flat roll bottom plate (8), flat roll sliding base (9) movably sets up on parallel recess (13), the position of flat roll sliding base (9) can be adjusted along recess (13) according to the width of bailey steel bridge (1) in a flexible way, adjusts to suitable position after, flat roll sliding base (9) pass through bolt (14) fastening, in addition, the flat roll sliding base (9) outside still is equipped with limiting plate (15).
Bowl knot formula spacing (4) divide twice parallel arrangement in bailey steel bridge (1), inside height and width all slightly are greater than bailey steel bridge (1).
The winch (7) is anchored with the backing plate (16), and the height of the backing plate (16) is adjustable.
The distance between the integral anchor plates (5) is slightly larger than the width of the Bailey steel bridge (1).
The construction method of the Bailey steel bridge suspension-pushing erection system comprises the following steps:
before the suspension pushing frame is established, firstly, two integrated anchor plates (5) are embedded in parallel on one side of a left bank (2) of a brake head, the distance between the integrated anchor plates (5) is slightly larger than the width of the Bailey steel bridge (1), a plurality of adjustable flat rollers (3) are uniformly arranged on the inner side of the integrated anchor plates (5) along the longitudinal direction, and the adjustable flat rollers (3) are fastened by bolts (14) after the distance between left and right flat roller sliding bases (9) is adjusted by grooves (13) of the adjustable flat rollers (3) is consistent with the width of the Bailey steel bridge (1). A bailey steel bridge (1) is erected and arranged on the flat rolling roller (10), and the bowl buckle type limiting frame (4) is installed.
In the suspension pushing process, the front end of the Bailey steel bridge (1) is connected with a winch (7) of the gate head right bank (6) through a steel wire rope (11), and the Bailey steel bridge is propelled and erected under the traction of the winch (7) until the Bailey steel bridge (1) falls on a base (12) of the gate head right bank (6).
As an improved specific implementation mode, when the front end of the Bailey steel bridge (1) is close to the brake head right bank (6), if the front end of the Bailey steel bridge (1) is lower than the base (12), the height of the Bailey steel bridge can be adjusted in a matched mode until the Bailey steel bridge (1) is dragged to fall on the base (12).
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (4)
1. Bailey steel bridge suspension-pushing erection system, which is characterized by comprising:
the device comprises a Bailey steel bridge (1), an adjustable flat roller (3) arranged on a left bank (2) of a gate head, a bowl buckle type limiting frame (4), an integral anchor plate (5) and a winch (7) arranged on a right bank (6) of the gate head;
the bailey steel bridge (1) is arranged on the adjustable flat roller (3), the bowl buckle type limiting frame (4) stretches across the bailey steel bridge (1), the foot part of the bowl buckle type limiting frame (4) is fixedly connected with the integral anchor plate (5), and the winch (7) pulls the front end of the bailey steel bridge (1) through a steel wire rope (11) until the bailey steel bridge (1) falls on a base (12) of the brake head right bank (6);
adjustable level roll (3) are including level roll bottom plate (8), level roll sliding base (9) and level roll gyro wheel (10), bailey steel bridge (1) is settled on level roll gyro wheel (10), level roll bottom plate (8) set up on the first left bank (2) of floodgate, be equipped with recess (13) of twice parallel on level roll bottom plate (8), level roll sliding base (9) movably sets up on recess (13), the level roll sliding base (9) outside is equipped with limiting plate (15).
2. Bailey bridge erecting system according to claim 1, wherein the flat rolling sliding foundation (9) is fastened to the flat rolling floor (8) by means of bolts (14).
3. The bailey steel bridge cantilever erection system according to any one of claims 1 to 2, wherein the winch (7) is anchored with a tie plate (16), the tie plate (16) being height adjustable.
4. The Bailey steel bridge suspension-pushing erection system according to any one of claims 1 to 2, wherein the bowl buckle type limiting frames (4) are arranged on two sides of the Bailey steel bridge (1) in parallel, and the internal height and width are greater than those of the Bailey steel bridge (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822178516.1U CN211735072U (en) | 2018-12-24 | 2018-12-24 | Bailey steel bridge suspension-pushing erection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822178516.1U CN211735072U (en) | 2018-12-24 | 2018-12-24 | Bailey steel bridge suspension-pushing erection system |
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| CN211735072U true CN211735072U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822178516.1U Active CN211735072U (en) | 2018-12-24 | 2018-12-24 | Bailey steel bridge suspension-pushing erection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113430950A (en) * | 2021-08-11 | 2021-09-24 | 中铁六局集团有限公司 | Construction method of large-span Bailey bridge |
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2018
- 2018-12-24 CN CN201822178516.1U patent/CN211735072U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113430950A (en) * | 2021-08-11 | 2021-09-24 | 中铁六局集团有限公司 | Construction method of large-span Bailey bridge |
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