CN207812983U - A kind of encircling operating deck - Google Patents
A kind of encircling operating deck Download PDFInfo
- Publication number
- CN207812983U CN207812983U CN201721809485.4U CN201721809485U CN207812983U CN 207812983 U CN207812983 U CN 207812983U CN 201721809485 U CN201721809485 U CN 201721809485U CN 207812983 U CN207812983 U CN 207812983U
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- platform
- ring
- shaped
- encircling
- operating deck
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Abstract
The utility model is related to a kind of encircling operating decks, include the ring-shaped platform being made of two halves doughnut-shaped steel plate platform, the guardrail set on the lifting lug of ring-shaped platform periphery and positioned at ring-shaped platform periphery, one end of two halves doughnut-shaped steel plate platform is hinged by hinge, ring-shaped platform is closed by the other end by fastening bolt, the bolted end of the semi-circular plate platform is each provided with a horizontal jack hanging point, and horizontal jack is attached fixation across two horizontal jack hanging points to ring-shaped platform.Compared with the existing technology, the present apparatus more safety and firmness not only makes the electric pick on encircling operating deck the operations such as cut more convenient, but also substantially reduces the construction period, improves work efficiency.
Description
Technical field
The utility model is related to auxiliary mould field, especially a kind of annular operation being applicable in chimney construction is flat
Platform.
Background technology
In the industrial circles such as steel, chemical industry, chimney is because having the characteristics that smoke evacuation exhaust and occupying weight conducive to gravity-flow ventilation
Status is wanted, the highest single-cylinder type reinforced concrete chimney of China is 210 meters at present, and common chimney is all up-small and down-big cone
Shape structure, diameter difference is up to 3 meters.And in the early stage work progress of chimney, height is generally used as with scaffold is set up using hanging basket
On the one hand there is safety difference because construction location is not fixed using hanging basket, and torn open in electric pick in the scheme of idle job
During except lining, hexsteel, an opposition is easy tod produce, construction itself is unfavorable for.On the other hand, chimney is one
A cylinder, hanging basket can only meet the construction of one section of cambered surface, cause chimney often to tear one section of crane open and at least need movement twice, scene is hung
Station position can not be fully met, and construction efficiency is low, therefore most enterprises have prohibited such operation.Equally set up foot
Hand cradle is cumbersome there is also the course of work and unsafe defect, it is not recommended that carries out working at height using the method.Authorization Notice No.
A kind of encircling operating deck, including shelf, base board flange, decorative pattern are disclosed for the utility application of CN203918257U
Panel and guardrail square tube, it is characterised in that the shelf includes inner ring angle steel, outer ring ring flat-plate and reinforcing rib angle steel, and described adds
Strengthening tendons angle steel is distributed between inner ring angle steel and outer ring ring flat-plate, and the both ends of reinforcing rib angle steel are separately fixed at inner ring angle steel and outer ring
On ring flat-plate, the base board flange is set to the lower end of the outer ring ring flat-plate, and the decorative pattern panel is set to the reinforcing rib angle steel
Top, the guardrail square tube is distributed in the base board flange, and gusset and lifting lug are also evenly equipped in the base board flange.
Although the technology is welded compared with the existing technology using high-end annular workpieces or Inspection, major progress is had been achieved for,
But the fixed encircling operating deck of diameter is used to carry out working at height, when the diameter of the cylinders such as platform diameter and chimney differs too
When big, not only bad for work progress, and safety cannot also ensure, particularly with the chimney inherently with pyramidal structure
For, the technology and its it is unsuitable for its work progress.And equipment back work, the cost such as also need to loop wheel machine in the construction process
Height, energy consumption are big.
Invention content
The purpose of the utility model is to overcome the deficiencies in the prior art, proposes that one kind is simple in structure, be suitable for popularization and application
Encircling operating deck.
The encircling operating deck of the utility model includes the ring-shaped platform being made of two halves doughnut-shaped steel plate platform, is set to ring
One end of the lifting lug of shape platform periphery and the guardrail positioned at ring-shaped platform periphery, two halves doughnut-shaped steel plate platform is hinged by hinge,
Ring-shaped platform is closed by the other end by fastening bolt, and the bolted end of the semi-circular plate platform is each provided with a water
Flat jack hanging point, horizontal jack are attached fixation across two horizontal jack hanging points to ring-shaped platform.In high-altitudes such as chimney constructions
In operation process, replace traditional hanging basket or scaffold device, coordinate by crane crawler belt and the present apparatus, directly operates annular
Platform is looped around around chimney, carries out the operation completion work progress such as cutting using electric pick to easily；Make when by jack
When this encircling operating deck rises or declines along chimney, fastening bolt can be adjusted therewith, to control encircling operating deck
Opening degree, make it that can be bonded with chimney outer surface when at different chimney outer diameters, and be anchored on chimney.Relatively
In the prior art, the present apparatus more safety and firmness not only makes the electric pick on encircling operating deck the operations such as cut more convenient,
And the construction period is substantially reduced, it improves work efficiency.
Further, the bolt connection of the encircling operating deck of the utility model, the two halves doughnut-shaped steel plate platform is equipped with
Rubber pad can make two halves doughnut-shaped steel plate platform preferably secure closure circularize platform.
Further, the encircling operating deck of the utility model, the plate platform bottom are equipped with symmetrical reinforcing rib,
So that work progress more has safety guarantee.
Further, the encircling operating deck of the utility model, the lifting lug are 4, are symmetrically distributed in encircling operating deck
Surrounding allows the present apparatus smoothly to rise or decline along chimney by jack, completes the work progress at different height.
Further, the encircling operating deck of the utility model, the ring-shaped platform width are 70-80cm, can be expired completely
The tools such as sufficient electric pick it is easy to use.
Compared with prior art, the utility model has technique effect beneficial below：
A kind of encircling operating deck of the utility model, instead of hanging basket traditional in the working at height such as chimney construction or
Encircling operating deck is directly looped around around chimney by scaffold device under cooperation of the crane crawler belt with jack, to convenient
Ground carries out the operation completion work progress such as cutting using electric pick；And work as makes this encircling operating deck rise along chimney by jack
Or when declining, fastening bolt can be adjusted therewith, to control the opening degree of encircling operating deck, makes it positioned at different cigarettes
It can be bonded, and be anchored on chimney with chimney outer surface when at chimney outer diameter.Compared with the existing technology, the present apparatus is safer
It is firm, so that the electric pick on encircling operating deck the operations such as is cut more convenient, but also substantially reduce the construction period, carries
High working efficiency, is suitble to promote and apply.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the utility model use principle figure.
In figure：1. plate platform, 2. reinforcing ribs, 3. hinges, 4. fastening bolts, 5. horizontal jacks, 6. rubber pads, 7. is horizontal
Jack hanging point, 8. lifting lugs, 9. guardrails, 10.5T jacks, 11.260 tons of crawler belts, 12. suspension centres, 13. jack hanging points, the cutting of 14. chimneys
Place.
Specific implementation mode
The utility model is described in further detail with reference to specific embodiment.
As shown in Figure 1, a kind of encircling operating deck of the utility model, includes being made of two halves doughnut-shaped steel plate platform 1
Ring-shaped platform, the lifting lug 8 set on ring-shaped platform periphery and the guardrail 9 positioned at ring-shaped platform periphery, two halves doughnut-shaped steel plate platform 1
One end is hinged by hinge 3, and ring-shaped platform is closed by the other end by fastening bolt 4, the bolt of the semi-circular plate platform 1
Connecting pin is each provided with a horizontal jack hanging point 7, and horizontal jack 5 connects ring-shaped platform across two horizontal jack hanging points 7
Fixation is connect, and the bolt connection of two halves doughnut-shaped steel plate platform 1 is equipped with rubber pad 6.In presently preferred embodiment, ring-shaped platform
Width is 75cm, and 4 reinforcing ribs 2 are distributed in the bottom symmetrical of plate platform 1, and lifting lug 8 is 4, is symmetrically distributed in annular operation
Platform surrounding, material used is Q235B proximate matters in the present apparatus, and uses composite welding process.
The construction object of presently preferred embodiment is high 60m, always weighs about 200 tons of chimney, is cone from from bottom to high 17m
Shape, 17m is to be diameter up to 2.7 meters of cylinder, a diameter of 5 meters of chimney bottom up to top.Wherein conical section is refractory brick
Material, volume are about 13.5 cubic metres, totally 7532 pieces, weigh 26.36 tons, upper cylinder is haydite vermiculite heat resistance concrete material
Material, volume is about 95 cubic metres, weighs 95 tons.Inner wall of stack is containing wire netting, lining baffle ring, anchor studs.During Specific construction,
It follows these steps to operate：
1) 15 meters of long 8 piece 5T jacks, 10, horizontal jacks 5 of 2T and broken electric hammer etc. are fixed on annular behaviour first
Make on platform, and entire platform is hung down with 260 tons of crawler belts 11 along chimney, encircling operating deck is made to be located at apart from chimney top
On fixing collar at 1.5 meters, then operating personnel climb from chimney climbing ladder to platform, adjust fastening bolt 4；
2) during 260 tons of crawler belts 11 hang and carry platform, operating personnel carry out cutting operation on platform, on chimney
The circular hole that four a diameter of 8cm are symmetrically cut along chimney periphery, it is same right as suspension centre 12, while at 12 or less 35cm of suspension centre
The circular hole for claiming four a diameter of 5cm of cutting, as jack hanging point 13.It after cutting, is crushed in chimney lining, completes trepanning；
3) by the 5t jacks 10 of 4 15m long, one end is hung at the jack hanging point 13 of a diameter of 5cm held successfully, the other end
It hangs to Platform Lug 8, tight jack 10, makes the slightly stress of jack 10, unclamp the suspension hook on 260 tons of crawler belts 11, drawn with jack 10
Firmly platform prevents platform from gliding；
4) after completing the operation on ring-shaped platform, the suspension hook of 260 tons of crawler belts 11 is hung up properly at the suspension centre 12 held successfully again, so
Platform fastening bolt 4 is unclamped afterwards, and forgetting about it chain 10 makes ring-shaped platform glide along chimney, until next section of chimney cut place 14, is adjusted
Fastening bolt 4 fastens ring-shaped platform, repeats step 2)；
In the work progress for entirely removing chimney, first section of long 9.56m of dismounting weighs 25.8 tons, and the Ith section of dismounting finishes
Afterwards, first segment chimney and four jacks 10 hung above are hung to vacant lot with 260 tons of crawler belts 11 and crane, then by 4 jacks
10 hang back encircling operating deck use, repeat the above steps, continue next section of dismounting.IIth section positioned at 35m-50m's
At height, long 15m weighs 40.5 tons；IIIth section is located at the height of 19.6m-35m, and long 15.4m weighs 42 tons；IVth section is bottom
Portion's -19.6m eminences, long 19.6m weigh 53 tons.Work progress as described above is carried out using the present apparatus so that the entire construction period
Expection when by setting up scaffold originally is shorten to four days for one week, is not only greatly improved work efficiency, but also makes entirely to construct
Process more conveniently, safely, is suitble to promote and apply.
Claims (5)
1. a kind of encircling operating deck, it is characterised in that：Include the ring-shaped platform being made of two halves doughnut-shaped steel plate platform (1), set
Lifting lug (8) in ring-shaped platform periphery and the guardrail (9) positioned at ring-shaped platform periphery, one end of two halves doughnut-shaped steel plate platform (1)
Hinged by hinge (3), ring-shaped platform is closed by the other end by fastening bolt (4), the spiral shell of the semi-circular plate platform (1)
Bolt connecting pin is each provided with a horizontal jack hanging point (7), and horizontal jack (5) passes through two horizontal jack hanging points (7) to annular flat
Platform is attached fixation.
2. encircling operating deck according to claim 1, which is characterized in that the spiral shell of the two halves doughnut-shaped steel plate platform (1)
Bolt junction is equipped with rubber pad (6).
3. encircling operating deck according to claim 2, which is characterized in that plate platform (1) bottom is equipped with symmetrical
The reinforcing rib (2) of distribution.
4. encircling operating deck according to claim 3, which is characterized in that the lifting lug (8) is 4, is symmetrically distributed in
Encircling operating deck surrounding.
5. according to any encircling operating decks of claim 1-4, which is characterized in that the ring-shaped platform width is 70-
80cm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721809485.4U CN207812983U (en) | 2017-12-22 | 2017-12-22 | A kind of encircling operating deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721809485.4U CN207812983U (en) | 2017-12-22 | 2017-12-22 | A kind of encircling operating deck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207812983U true CN207812983U (en) | 2018-09-04 |
Family
ID=63330188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721809485.4U Active CN207812983U (en) | 2017-12-22 | 2017-12-22 | A kind of encircling operating deck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207812983U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941873A (en) * | 2019-02-25 | 2019-06-28 | 中国葛洲坝集团第一工程有限公司 | A kind of hoistable platform and construction method for vertical shaft penstock installation exercise |
| CN111794106A (en) * | 2020-07-06 | 2020-10-20 | 浙江省衢州市交通建设集团有限公司 | Annular platform for bridge pier column construction and construction method |
-
2017
- 2017-12-22 CN CN201721809485.4U patent/CN207812983U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941873A (en) * | 2019-02-25 | 2019-06-28 | 中国葛洲坝集团第一工程有限公司 | A kind of hoistable platform and construction method for vertical shaft penstock installation exercise |
| CN111794106A (en) * | 2020-07-06 | 2020-10-20 | 浙江省衢州市交通建设集团有限公司 | Annular platform for bridge pier column construction and construction method |
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