CN208933838U - A kind of ladder cage that bridge construction is ascended a height - Google Patents
A kind of ladder cage that bridge construction is ascended a height Download PDFInfo
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- CN208933838U CN208933838U CN201821514870.0U CN201821514870U CN208933838U CN 208933838 U CN208933838 U CN 208933838U CN 201821514870 U CN201821514870 U CN 201821514870U CN 208933838 U CN208933838 U CN 208933838U
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Abstract
The utility model discloses a kind of ladder cages that bridge construction is ascended a height, and belong to construction equipment field.It is formed by several single-unit ladder cage unit splicings；The main frame of each single-unit ladder cage unit forms cuboid framework by high-strength bolt connection by 12 angle steel；The surrounding of main frame forms closed framework steel mesh surrounding baffle by steel mesh grid；The main frame of each single-unit ladder cage unit is internally provided with inclined ladder；Different single-unit ladder cage unit vertically stackeds is connected and fixed in underlying single-unit ladder cage unit by high-strength bolt between the horizontal corner steel of bottom in the horizontal corner steel at top and the single-unit ladder cage unit being located above；Entrance door opening is offered on the closed framework steel mesh surrounding baffle of the single-unit ladder cage unit of bottom, offers outlet door opening on the closed framework steel mesh surrounding baffle of top one or more single-unit ladder cage unit.The utility model can be installed detachably, the operation of ascending a height suitable for each different parts construction of bridge.
Description
Technical field
The utility model belongs to construction equipment field, and in particular to a kind of ladder cage that bridge construction is ascended a height.
Background technique
In bridge structure object high altitude operation construction, enters scene for convenience of construction worker's approach construction position and apply
Work needs to set up foot hand bracket and ascends a height facility.The ascend a height assembled material of facility use of conventional foot hand bracket is usually steel pipe welding
It connects or steel tube fastener connects, there are volume heaviness, stability is poor, component connection is complicated, takes the defects of tearing heavy workload open.
Moreover, for bridge construction, it is often necessary to which, to constructing at different height, existing facility of ascending a height can not
Easily adjust construction height.It is therefore desirable to design a set of operation of ascending a height that can be applicable in each different parts construction of bridge
Ladder cage.
Summary of the invention
Utility model aims to solve problems of the prior art, and provide a kind of bridge construction and ascend a height use
Ladder cage, the operation of ascending a height suitable for bridge each different parts construction.
Specific technical solution used by the utility model is as follows:
A kind of ladder cage that bridge construction is ascended a height, it is formed by several single-unit ladder cage unit splicings；Each single-unit ladder cage
The main frame of unit forms cuboid framework by high-strength bolt connection by 12 angle steel, wherein 4 horizontal corner steels form bottom
Rectangular frame, other 4 horizontal corner steels composition top rectangular frame, 4 vertical Bolted angle connection bottom rectangular frames with
The angle point of top rectangular frame；If the surrounding of main frame is fixed with dry plate steel lattice grid by high-strength bolt, formed closed
Frame steel mesh surrounding baffle；The main frame of each single-unit ladder cage unit is internally provided with inclined ladder, and the two sides of inclined ladder are using channel steel as side
Crossbeam is respectively arranged on plate, bottom rectangular frame and top rectangular frame, the both ends of the side plate are individually fixed in bottom
On the crossbeam in portion and the crossbeam at top, several pedals are welded between the side plate of two sides, inclined ladder faces sky side and is equipped with handrail column
Bar；Different single-unit ladder cage unit vertically stackeds, in underlying single-unit ladder cage unit the horizontal corner steel at top with positioned at upper
It is connected and fixed between the horizontal corner steel of bottom by high-strength bolt in the single-unit ladder cage unit of side；Upper and lower two single-units ladder cage unit
The halfpace of two width inclined ladders of connection is equipped in splicing plane；The closed framework steel mesh surrounding baffle of the single-unit ladder cage unit of bottom
On offer entrance door opening, offer outlet portal on the closed framework steel mesh surrounding baffle of top one or more single-unit ladder cage unit
Hole.
Preferably, the angle steel is hot rolling equal angle steel.
Preferably, forming entrance by not installing the steel mesh grid on the closed framework steel mesh surrounding baffle
Door opening and outlet door opening.
Preferably, the pedal uses checkered steel plate.
Preferably, the hand banisters uses Tu zinc square steel tube.
Preferably, the steel mesh grid surrounds steel mesh frame by angle steel, then steel mesh piece is fixed on steel mesh frame.
Preferably, the halfpace is paved into using deal board.
Preferably, the single-unit ladder cage unit bottom of bottom is fixed in concrete foundation in entire ladder cage.
Preferably, passing through the Reinforced Concrete Pier Column of lateral fixing piece and bridge in the ladder cage at a certain distance
On.
Preferably, the lateral fixing piece is fashioned iron or steel pipe.
The utility model in terms of existing technologies, has the advantages that
1) structure is simple: main member skeleton is assemblied to form by fashioned iron, and inclined ladder, handrail, halfpace, outside is arranged inside
Closed framework steel mesh surrounding baffle is arranged in surrounding, is connected by high-strength bolt, not only ensure that intensity is reliable, but also can take into account various uses
The demand of scene.
2) overall stability is good: every section ladder cage is the absolute construction of a rectangle, and when installation splices section by section from bottom to top, root
The joint number of splicing is determined according to podium level.
3) safe and convenient above and below personnel: make crossbeam using 2 channel steels for the inclined ladder above and below personnel, on facing sky side channel steel
Handrail is installed, personnel safety is facilitated to walk, guarantees the continuity of inclined ladder between assembled unit by halfpace up and down.
4) easy for assemble or unload: all consolidation services of single-unit ladder cage unit can carry out on ground, reduce labor intensity,
Safe operation is comfortable.
5) it is convenient for storage and management: detachably at monolithic piece after ladder cage use, transports, stores small in size, handling are flexible
It is convenient, easy-maintaining maintenance.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of ladder cage that bridge construction is ascended a height；
Fig. 2 is the side view of single-unit ladder cage unit；
Fig. 3 is the top view of single-unit ladder cage unit；
Fig. 4 is the scheme of installation of steel mesh grid；
Fig. 5 is the scheme of installation of hand banisters and halfpace in ladder cage；
Appended drawing reference in figure: single-unit ladder cage unit I, horizontal corner steel 1, vertical angle steel 2, side plate 3, pedal 4, crossbeam 5, centre
Platform 6, steel mesh grid 7, hand banisters 8.
Specific embodiment
The utility model is further elaborated and is illustrated with reference to the accompanying drawings and detailed description.In the utility model
The technical characteristic of each embodiment can carry out the corresponding combination under the premise of not conflicting with each other.
As shown in Figure 1, for the ladder cage that the bridge construction in one embodiment of the utility model is ascended a height, by several lists
It is assembled to save ladder cage unit I.As shown in Figures 2 and 3, the main frame of each single-unit ladder cage unit I is passed through high-strength by 12 angle steel
It is bolted composition cuboid framework, wherein 4 horizontal corner steels 1 form bottom rectangular frames, other 41 group of horizontal corner steel
At top rectangular frame, 4 vertical angle steel 2 connect the angle point of bottom rectangular frame and top rectangular frame.In angle point
Screw hole is offered on two horizontal corner steels 1 and a vertical angle steel 2 at place, two horizontal corner steels 1 are bolted respectively
It is connected on two sides of vertical angle steel 2, stable and firm connection is consequently formed.12 angle steel are all made of 100 × 100 × 8mm
Hot rolling equal angle steel, the diameter of high-strength bolt are 16mm, the main frame periphery full-size after assembling be 3.2m × 1.8m ×
2.0m (length × width × height).In addition, as shown in figure 4, the surrounding of main frame is fixed with multi-disc steel mesh grid 7 by high-strength bolt,
Four side walls of main frame are surrounded, closed framework steel mesh surrounding baffle is formed.Wherein, 3 steel meshes are arranged in the every side of the long side of main frame
2 steel mesh grids 7 are arranged in grid 7, the every side of short side.192 × 80cm steel is made by 40 × 40 × 4mm angle steel in every steel mesh grid 7
Screen frame frame, then 50 × 40 × 4mm steel mesh piece is fixed on steel mesh frame.It is set inside the main frame of each single-unit ladder cage unit I
It is equipped with inclined ladder, for using No. 20 as the two sides in the channel above and below construction personnel, inclined ladder, wall thickness 7.6mm channel steel is as side plate
3, one of side plate 3 is close to main frame, and another block of side plate 3 is hanging.Divide on bottom rectangular frame and top rectangular frame
Be not provided with base cross members 5 and top cross-bar 5, base cross members 5 and top cross-bar 5 it is parallel with 4 horizontal corner steels 1 of main frame and
Keep certain distance.The both ends of two blocks of side plates 3 pass through high-strength bolt respectively and are fixed in base cross members 5 and top cross-bar 5, two sides
Side plate 3 between be welded with muti-piece pedal 4 step by step, pedal 4 uses 3mm thickness checkered steel plate.
As shown in figure 5, inclined ladder, which faces sky side, is equipped with hand banisters 8,50 × 30 × 4mm Tu zinc square steel of hand banisters 8
Pipe.Different I vertically stackeds of single-unit ladder cage unit, in underlying single-unit ladder cage unit I horizontal corner steel 1 at top be located at
It is connected and fixed between the horizontal corner steel 1 of bottom by high-strength bolt in the single-unit ladder cage unit I of top.Upper and lower two single-unit ladder cages
Unit I is equipped with the halfpace 6 of two width inclined ladders of connection in splicing plane, which can be used as half space.Halfpace 6 is whole
Body having a size of 175cm × 65cm (long × wide), can be laid between horizontal corner steel 1 and crossbeam 5 using the splicing of 3cm thickness deal board and
At every piece of board width 10cm~15cm or so.Offered on the closed framework steel mesh surrounding baffle of the single-unit ladder cage unit I of bottom into
Mouthful door opening offers outlet door opening on the closed framework steel mesh surrounding baffle of top one or more single-unit ladder cage unit I, is convenient for people
Member's disengaging.Door opening width is the 1/2 of ladder cage width direction, is highly subject to and is embedded in ladder cage main frame.Door opening can be in steel mesh
It is opened up on grid 7, but preferred way is directly to save one piece of steel mesh grid 7, to form entrance door opening and outlet door opening.
In order to guarantee the stability of ladder cage, in entire ladder cage, I bottom of single-unit ladder cage unit of bottom need to be fixed on concrete
On the basis of.Also, pass through the reinforced concrete knoll of the lateral fixing piece and bridge such as fashioned iron or steel pipe in ladder cage at a certain distance
On column.
Above-mentioned ladder cage can process all components in the factory in advance, then spell each component conveying to scene
Dress, technical process includes: preparation of construction, material processing and fabricating, base concrete casting, on-site consolidation main frame, inside and outside
Component is installed, vertically splices section by section, transverse direction is fixedly connected, pass in and out door opening passageway and protective equipment is installed, inspects for acceptance.
The main construction method of the ladder cage is described below in detail:
1) it preparation of construction: is purchased according to material, specification and the quantity that design drawing requires selection to meet quality.Scene
Put storage space in order.Plan the ground base location for placing ladder cage, the processing before constructing to basis.Builder's road is built
Personnel's vehicle is facilitated to march into the arena.
2) material processing and fabricating: processing material requested equipment, welds to the higher aperture of part precision requirement
Component is processed by specialized factory.The screw hole dimensions of each rod piece connection high-strength bolt are fixed according to the diameter of bolt, are drilled to ellipse
Type hole mouth, left and right fine tuning when convenient for high-strength bolt connection.All processing dimensions strictly provide to carry out in accordance with drawing, to guarantee to pacify
Fill accurate positioning.
3) concrete foundation is poured: will be carried out at ground before being poured concrete foundation to each ladder cage position bottom
Reason, foundation requirement is closely knit, first tamps to loose ground, then place mat 20cm or so rubble pave-load layer on it, then stands
Mould is poured 15cm plain concrete flooring base, at least each wide ladder cage 20cm out of concrete foundation surrounding outer width size.Flooring base
Surface requirements are smooth, shuttering absolute altitude measured before being poured, casting completion post-tensioning diagonal line repetition measurement, quadrangle does not surpass with central point height difference
Cross 3mm.
4) on-site consolidation main frame: the material accessory processed is transported to after scene, main frame assembled first.Respectively will
The vertical angle steel 2 of 8 horizontal corner steels 1 and 4 piece connects the main frame to form cuboid with high-strength bolt, and connects shelve simultaneously
Between platform 6 and side plate 32 crossbeams 5 up and down.High-strength bolt is tentatively tightened after all connecting, then carries out interior external member
Installation.
5) external member is installed in: the progress after the completion of being mounted on main frame of each structural member in inside and outside, first by side plate 3, pedal
4, hand banisters 8, steel mesh grid 7 are installed in place one by one.It is whether symmetrical that its surrounding is measured with angle square again, and is tightened after checking confirmation
All bolts form complete single-unit ladder cage unit I (see Fig. 3).
6) vertical splicing section by section: I quantity of single-unit ladder cage unit is determined needed for designing ladder cage according to works height, with 5 tons
Truck crane is coupled, and the horizontal corner steel 1 between upper and lower two sections single-unit ladder cage unit I tightens fixation by high-strength bolt.Every peace
A section single-unit ladder cage unit I is filled, its verticality is measured, is allowed to vertically laterally be intended to be aligned with next section to be not to misplace.
7) be laterally fixedly connected: generally often installing 2~3 section single-unit ladder cage units I will carry out laterally being fixedly connected, and protect
Demonstrate,prove its stability.It is fixed according to live physical condition using distinct methods.Usually with fashioned iron or steel pipe one end and single-unit
Ladder cage unit I is fixed, and the other end is anchored on the Reinforced Concrete Pier Column of bridge (see Fig. 4).
8) door opening passageway and protective equipment installation are passed in and out: after whole single-unit ladder cage units I are installed in place, being wanted in import and export
It carries out door opening and safety enters and leaves the abutting joint processing of protective equipment.General entrance door opening is mounted on the single-unit ladder cage unit of bottom
On I, in side one piece of steel mesh grid 7 is not installed；Exporting door opening need to be depending on construction location, at each construction height
It needs to open up a door opening on single-unit ladder cage unit I.The connecting platform between construction location need to be carried out at outlet door opening.
9) it inspects for acceptance: finally carrying out whole examination.It comes into operation after meeting the requirements.Embodiment described above is this
A kind of preferable scheme of utility model, so it is not to limit the utility model.Ordinary skill people in relation to technical field
Member can also make a variety of changes and modification in the case where not departing from the spirit and scope of the utility model.Therefore all to take
The mode of equivalent substitution or equivalent transformation technical solution obtained, all falls in the protection scope of the utility model.
Claims (10)
1. a kind of ladder cage that bridge construction is ascended a height, which is characterized in that assembled by several single-unit ladder cage units (I)；Often
The main frame of a single-unit ladder cage unit (I) forms cuboid framework by high-strength bolt connection by (12) root angle steel, wherein 4 water
Straight angle steel (1) forms bottom rectangular frame, in addition 4 horizontal corner steel (1) composition top rectangular frames, 4 vertical angle steel
(2) angle point of bottom rectangular frame and top rectangular frame is connected；If the surrounding of main frame is fixed with by high-strength bolt
Dry plate steel mesh grid (7) forms closed framework steel mesh surrounding baffle；The main frame of each single-unit ladder cage unit (I) is internally provided with
Inclined ladder, the two sides of inclined ladder as side plate (3), are respectively arranged with using channel steel on bottom rectangular frame and top rectangular frame
Crossbeam (5), the both ends of the side plate (3) are individually fixed on the crossbeam (5) of bottom and the crossbeam (5) at top, the side plate of two sides
(3) it is welded between several pedals (4), inclined ladder faces sky side and is equipped with hand banisters (8)；Different single-unit ladder cage units (I)
Vertically stacked, the horizontal corner steel (1) at the middle top of underlying single-unit ladder cage unit (I) and the single-unit ladder cage unit being located above
(I) it is connected and fixed between the horizontal corner steel (1) of bottom by high-strength bolt in；Upper and lower two single-unit ladder cages unit (I) is being spliced
Plane is equipped with the halfpace (6) of two width inclined ladders of connection；The closed framework steel mesh surrounding baffle of the single-unit ladder cage unit (I) of bottom
On offer entrance door opening, offered out on the closed framework steel mesh surrounding baffle of top one or more single-unit ladder cage unit (I)
Mouth door opening.
2. the ladder cage that bridge construction as described in claim 1 is ascended a height, which is characterized in that the angle steel is the corners such as hot rolling
Steel.
3. the ladder cage that bridge construction as described in claim 1 is ascended a height, which is characterized in that the closed framework steel mesh encloses
It blocks, forms entrance door opening and outlet door opening by not installing the steel mesh grid (7).
4. the ladder cage that bridge construction as described in claim 1 is ascended a height, which is characterized in that the pedal (4) uses decorative pattern
Steel plate.
5. the ladder cage that bridge construction as described in claim 1 is ascended a height, which is characterized in that the hand banisters (8) uses
Tu zinc square steel tube.
6. the ladder cage that bridge construction as described in claim 1 is ascended a height, which is characterized in that the steel mesh grid (7) is by angle
Steel surrounds steel mesh frame, then steel mesh piece is fixed on steel mesh frame.
7. the ladder cage that bridge construction as described in claim 1 is ascended a height, which is characterized in that the halfpace (6) uses
Deal board is paved into.
8. the ladder cage that bridge construction as described in claim 1 is ascended a height, which is characterized in that in entire ladder cage, the single-unit of bottom
Ladder cage unit (I) bottom is fixed in concrete foundation.
9. the ladder cage that bridge construction as described in claim 1 is ascended a height, which is characterized in that every a spacing in the ladder cage
From on the Reinforced Concrete Pier Column by lateral fixing piece and bridge.
10. the ladder cage that bridge construction as claimed in claim 9 is ascended a height, which is characterized in that the lateral fixing piece is type
Steel or steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821514870.0U CN208933838U (en) | 2018-09-17 | 2018-09-17 | A kind of ladder cage that bridge construction is ascended a height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821514870.0U CN208933838U (en) | 2018-09-17 | 2018-09-17 | A kind of ladder cage that bridge construction is ascended a height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208933838U true CN208933838U (en) | 2019-06-04 |
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ID=66721227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821514870.0U Active CN208933838U (en) | 2018-09-17 | 2018-09-17 | A kind of ladder cage that bridge construction is ascended a height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208933838U (en) |
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2018
- 2018-09-17 CN CN201821514870.0U patent/CN208933838U/en active Active
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