CN217104668U - Temporary construction trestle ramp of double-layer beam longitudinal steel truss - Google Patents
Temporary construction trestle ramp of double-layer beam longitudinal steel truss Download PDFInfo
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- CN217104668U CN217104668U CN202220859131.5U CN202220859131U CN217104668U CN 217104668 U CN217104668 U CN 217104668U CN 202220859131 U CN202220859131 U CN 202220859131U CN 217104668 U CN217104668 U CN 217104668U
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Abstract
The utility model discloses a double-deck crossbeam longitudinal steel truss temporary construction trestle ramp, including from ramp pile support, steel truss assembly and ramp bridge floor assembly that set up down, ramp pile support top height increases progressively from the front to back and forms the smooth slope gradually, steel truss assembly includes horizontal main girder steel and builds the steel truss on horizontal main girder steel, horizontal main girder steel level transversely is set up on ramp pile support, the steel truss adopts the concatenation of bailey roof head and the tail to form, the steel truss is connected through steel trestle truss stop device with horizontal main girder steel, the bridge floor ramp assembly includes ramp distribution roof beam and the ramp bridge floor steel sheet of setting up on ramp distribution roof beam, the bridge floor steel sheet upper surface is equipped with antiskid, can adjust the slope through adjusting ramp pile support height, guarantee the reasonable slope of ramp, the flexibility is strong, effectively improve the construction environment after forming smooth ramp trestle, the device has the advantages of small overall occupied area, flexible structural arrangement, high safety coefficient, wide applicability, strong flexibility and the like.
Description
Technical Field
The utility model belongs to the technical field of the construction, concretely relates to vertical steel truss of double-deck crossbeam constructs landing stage ramp temporarily.
Background
Along with the vigorous development of economy in China, more and more large-scale and extra-large-scale urban complex buildings are produced, the complex buildings generally have the defects of superior geographic position, large volume, tight construction period, narrow construction site, deep foundation pit, cross construction of each specialty, complex working condition and the like, the soil ramp is frequently used in the basement construction stage, but the traditional land occupation area is large, the construction of a large-area structure is limited by the soil ramp, the construction and deployment are severely limited, the dust raising of the traditional soil ramp is difficult to control, the influence of severe weather such as rain and snow is large, the later-period dismantling construction difficulty is large, the construction period is long, and the limitation on the overall construction period is severe.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vertical steel truss of double-deck crossbeam constructs landing stage ramp temporarily can not influence the restriction construction and deploys, solves traditional soil ramp because of area is big, arrange not nimble enough, receives the weather factor influence to lead to the limited problem of overall construction period restriction.
Therefore, the utility model discloses the technical scheme who adopts does: the utility model provides a vertical steel truss of double-deck crossbeam temporary construction landing stage ramp, includes and supports, steel truss assembly and ramp bridge floor assembly from the ramp stake of up setting down, ramp stake support top height increases progressively from the past backward gradually and forms the level and smooth slope, the steel truss assembly includes horizontal main girder steel and builds the steel truss on horizontal main girder steel, horizontal main girder steel level is transversely set up on the support of ramp stake, the steel truss adopts the concatenation of bailey beam head and the tail to form, and the steel truss passes through steel trestle truss stop device with horizontal main girder steel and is connected, the bridge floor ramp assembly includes ramp distribution beam and sets up the bridge floor steel sheet on ramp distribution beam, ramp bridge floor steel sheet upper surface is equipped with antiskid.
Preferably, the ramp pile support comprises superfluid concrete poured in a drill hole and a steel pipe pile vertically sunk into the superfluid concrete, the superfluid concrete is poured, the superfluid concrete has good fluidity, a concrete mixture can be filled with a model and a wrapping steel bar without vibration depending on self weight, a steel pipe support reinforcing measure is not required to be considered, and after the steel pipe pile is sunk, the steel pipe can be reinforced by using the wrapping force of the concrete and a spiral stirrup on the outer side of the steel pipe; the super-fluid concrete has good construction performance and filling performance, the aggregate is not separated, and the hardened concrete has good mechanical property and durability; the steel-pipe pile bilateral symmetry sets up and adopts the mode of cable wind rope drawknot to carry out the dynamic adjustment to the pile body straightness that hangs down when sinking to put into super fluid state concrete, effectively ensures that the steel-pipe pile is in the vertical state when sinking, guarantees that the support steadiness is good.
Further preferably, the steel-pipe pile top is equipped with the notch and supplies horizontal main girder steel embedding installation, and structural design is ingenious to set up the gusset in horizontal main girder steel and steel-pipe pile handing-over department, effectively add the steadiness.
Further preferably, the anti-skidding device adopts shear force nails, and the shear force nails are arranged along ramp bridge floor steel sheet upper surface array, and anti-skidding is effectual, prevents that the driving slides, stops the potential safety hazard.
Further preferably, antiskid adopts anti-skidding reinforcing bar, and anti-skidding reinforcing bar transversely lays along ramp bridge floor steel sheet upper surface, and simple to operate is swift when antiskid is effectual, prevents that the driving from sliding.
Further preferably, the left side and the right side of the steel plate of the ramp bridge deck are provided with slope protection railings, so that the personal safety of construction personnel is protected.
Further preferably, ramp bridge floor steel sheet passes through welded connection with ramp distribution roof beam, and it is firm to connect, and ramp bridge floor steel sheet is formed by a plurality of steel sheet concatenations and leaves at the concatenation department and prevent the fracture secant, effectively avoids expend with heat and contract with cold to lead to ramp bridge floor steel sheet fracture to lead to the structure unstable, has the potential safety hazard.
Preferably, the Bailey beams are spliced end to end through the high-strength pin shaft to form the Bailey truss, and the adjacent Bailey beams are firmly connected and convenient to install.
The utility model has the advantages that:
(1) compare in traditional soil ramp, the whole area that takes up of ramp pile support, steel truss assembly and ramp bridge floor assembly that set up from down up is little, the structural arrangement is nimble, can release working face and the space that can supply the structure construction in the at utmost, is convenient for construct the deployment.
(2) The transverse main steel beam is horizontally and transversely erected on the pile support of the ramp, the steel truss is formed by splicing Bailey beams from head to tail, structural layers are connected, the stability is high, the construction process is simple and easy to implement, the mounting and dismounting are convenient, the construction progress can be greatly improved through temporary construction of the ramp of the trestle, and the construction period is effectively shortened; ramp bridge floor steel sheet upper surface is equipped with antiskid, guarantees constructor's personal safety, avoids the slip injury, and factor of safety is high.
(3) Ramp pile supports the top height and increases progressively from the past backward and form the level and smooth slope one by one, can guarantee the reasonable slope of ramp through adjusting ramp pile supports high regulation slope, extensive applicability, the flexibility is strong, effectively improves construction environment behind the formation level and smooth ramp landing stage.
In conclusion, the device has the advantages of small overall occupied area, flexible structural arrangement, high safety factor, wide applicability, strong flexibility and the like.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of fig. 1.
Detailed Description
The invention will be further described by way of examples with reference to the accompanying drawings:
referring to fig. 1-2, the temporary construction trestle ramp with double-layer beam longitudinal steel truss is composed of a ramp pile support 1, a steel truss assembly 2 and a ramp bridge deck assembly 3 which are arranged from bottom to top.
The height of the top of the pile support 1 of the ramp gradually increases from front to back to form a smooth slope.
The ramp pile support 1 is composed of superfluid concrete poured in a drill hole and a steel pipe pile 12 vertically sunk into the superfluid concrete.
The steel pipe piles 12 are arranged in bilateral symmetry, and the perpendicularity of the pile body is dynamically adjusted in a cable rope tying mode when the steel pipe piles are sunk into the super-fluid concrete.
The steel truss assembly 2 consists of a transverse main steel beam 21 and a steel truss 22 built on the transverse main steel beam 21, and the steel truss 22 is connected with the transverse main steel beam 21 through a steel trestle truss limiting device 4.
The top of the steel pipe pile 12 is provided with a notch for embedding and installing the transverse main steel beam 21, and a stiffened plate is arranged at the joint of the transverse main steel beam 21 and the steel pipe pile 12.
The transverse main steel beam 21 is formed by welding two I-shaped steels of the same type in a double-splicing mode, and the transverse main steel beam 21 is hoisted and embedded into a groove at the top of the steel pipe pile 12.
The steel truss 22 is formed by splicing Bailey beams end to end, and the Bailey beams are spliced end to end through high-strength pin shafts to form the Bailey truss.
The steel truss 22 is connected with the transverse main steel beam 21 through a steel trestle truss limiting device 4.
The steel trestle truss limiting device 4 consists of a first limiting device and a second limiting device which are arranged at intervals; first stop device mainly comprises spacing steel sheet and wedge steel sheet, and spacing steel sheet comprises a top and two lateral walls, and the lower chord top of beiLei roof beam is located at its top, and outside the double-phase offside of the lower chord of beiLei roof beam was located to its two lateral walls, and the lateral wall is connected with horizontal main girder steel 21, and the wedge steel sheet is located between the lower chord of beiLei roof beam and horizontal main girder steel 21.
The second stop device comprises holder and gag lever post, and holder and the lower chord detachable connection of bei lei roof beam, gag lever post one end is connected with the holder, and the other end and horizontal main girder steel 21 butt or keep the interval.
The ramp deck assembly 3 is composed of a ramp distribution beam 31 and a ramp deck steel plate 32 which is erected on the ramp distribution beam 31.
The upper surface of the ramp deck steel plate 32 is provided with anti-skid means.
The anti-skid device can adopt shear nails which are arrayed along the upper surface of the ramp bridge deck steel plate 32, and the anti-skid effect is good.
Antiskid also can adopt anti-skidding reinforcing bar, and anti-skidding reinforcing bar transversely lays along ramp bridge floor steel sheet 32 upper surface, and simple to operate is swift when anti-skidding is effectual.
The slope protection railings are arranged on the left side and the right side of the ramp bridge deck steel plate 32, and the ramp bridge deck steel plate 32 is connected with the ramp distribution beam 31 through welding.
The Bailey beams are spliced into a single-layer single-row combination in advance, and then the Bailey trusses are spliced end to end through the high-strength pin shafts.
And (3) measuring and releasing a mounting position line on the transverse main steel beam 21, hoisting the Bailey truss in place, and arranging a special support frame connected into a whole between the Bailey truss transversely.
Ramp bridge floor steel sheet 32 is formed by a plurality of steel sheet concatenations and leaves at the concatenation department and prevents the split line that ftractures, prevents that expend with heat and contract with cold from resulting in the bridge floor fracture.
Claims (8)
1. The utility model provides a vertical steel truss of double-deck crossbeam temporary construction landing stage ramp which characterized in that: include from ramp pile support (1), steel truss assembly (2) and ramp bridge floor assembly (3) up setting down, ramp pile support (1) top height increases progressively from preceding backward one by one and forms smooth slope, steel truss assembly (2) include horizontal main girder steel (21) and build steel truss (22) on horizontal main girder steel (21), horizontal main girder steel (21) level is transversely set up on ramp pile support (1), steel truss (22) adopt the bery beam head and the tail to splice and form, steel truss (22) are connected through steel truss bridge truss stop device (4) with horizontal main girder steel (21), ramp bridge floor assembly (3) include ramp distribution roof beam (31) and set up ramp steel sheet (32) on ramp distribution roof beam (31), ramp steel sheet (32) upper surface is equipped with anti-skidding device.
2. The double-deck longitudinal steel truss construction trestle ramp of claim 1, wherein: the slope pile support (1) comprises super-flow concrete poured in a drill hole and steel pipe piles (12) vertically sunk into the super-flow concrete, wherein the steel pipe piles (12) are arranged in a bilateral symmetry mode and are provided with cable ropes, and the perpendicularity of pile bodies during sinking is dynamically adjusted in a cable rope pulling mode.
3. The double-deck longitudinal steel truss construction trestle ramp of claim 2, wherein: the top of the steel pipe pile (12) is provided with a notch for embedding and mounting the transverse main steel beam (21), and a stiffened plate is arranged at the joint of the transverse main steel beam (21) and the steel pipe pile (12).
4. The double-deck longitudinal steel truss construction trestle ramp of claim 1, wherein: the anti-skid device adopts shear nails which are arrayed along the upper surface of the ramp bridge deck steel plate (32).
5. The double-deck longitudinal steel truss construction trestle ramp of claim 1, wherein: the anti-skid device adopts anti-skid steel bars which are transversely paved along the upper surface of the ramp bridge deck steel plate (32).
6. The double-deck longitudinal steel truss construction trestle ramp of claim 1, wherein: a slope protection guardrail is arranged on the left side and the right side of the ramp bridge deck steel plate (32).
7. The double-deck longitudinal steel truss construction trestle ramp of claim 1, wherein: the ramp bridge deck steel plate (32) is connected with the ramp distribution beam (31) in a welding mode, the ramp bridge deck steel plate (32) is formed by splicing a plurality of steel plates, and anti-cracking splitting lines are reserved at the splicing positions.
8. The double-deck longitudinal steel truss construction trestle ramp of claim 1, wherein: the Bailey beams are spliced end to end through the high-strength pin shaft to form the Bailey truss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220859131.5U CN217104668U (en) | 2022-04-14 | 2022-04-14 | Temporary construction trestle ramp of double-layer beam longitudinal steel truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220859131.5U CN217104668U (en) | 2022-04-14 | 2022-04-14 | Temporary construction trestle ramp of double-layer beam longitudinal steel truss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217104668U true CN217104668U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220859131.5U Active CN217104668U (en) | 2022-04-14 | 2022-04-14 | Temporary construction trestle ramp of double-layer beam longitudinal steel truss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217104668U (en) |
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2022
- 2022-04-14 CN CN202220859131.5U patent/CN217104668U/en active Active
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