CN208071247U - A kind of nuclear power station reactor cavity region elevating platform for construction use - Google Patents
A kind of nuclear power station reactor cavity region elevating platform for construction use Download PDFInfo
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- CN208071247U CN208071247U CN201820354424.1U CN201820354424U CN208071247U CN 208071247 U CN208071247 U CN 208071247U CN 201820354424 U CN201820354424 U CN 201820354424U CN 208071247 U CN208071247 U CN 208071247U
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Abstract
The utility model provides a kind of nuclear power station reactor cavity region elevating platform for construction use, the lifting gear being connect vertically including tabletop of platform and with tabletop of platform, the lifting gear is for driving tabletop of platform to make elevating movement, platform openings are offered in the tabletop of platform, the hoistable platform further includes：Guiding trestle is installed on across platform openings in the concrete foundation of bottom, and track is arranged on guiding trestle, and elevating movement is carried out along track for limiting tabletop of platform；Holder is measured, is installed in the concrete foundation of bottom across guiding trestle, for carrying survey tool；Extension mechanism, circumferentially disposed along tabletop of platform, extension mechanism is radially slided along the tabletop of platform to increase the job area of tabletop of platform.Lifting gear provided by the utility model has effectively adapted to the construction environment of heap intracavitary complexity, and the continuous construction for large space, multi-angle provides guarantee, improves work efficiency.
Description
Technical field
The utility model is related to nuclear power construction fields more particularly to a kind of construction of nuclear power station reactor cavity region to lift
Platform.
Background technology
The construction of nuclear power station reactor cavity cavity region includes the installation of heap chamber Nuclear Instrument system, pressure vessel support ring and civil engineering
Back-grouting and the heat preservation installation of novel Reactor cavity flooding formula pressure vessel, region construction workload is big, and crossed construction is more,
Demand of the items construction to operating space is also higher.
It is successively set up upwards from absolute altitude -3.4m nuclear islands center currently, being all made of in the installation at nuclear power station unit station scene
The mode of scaffold provides workbench, after the completion of each layer of construction, then by scaffold changes and set up upwards scaffold,
Measurement holder must follow the absolute altitude of scaffold successively to change, and overall process need to complete tens of layers of holder installation altogether, simultaneously also
It needs to ensure the construction space that work progress center instrument system is installed.And at the scene in installation process, to meet each layer construction
Demand generally need to repeatedly tear open and take cripple, increase construction risk and workload；And cripple is level altitude,
It is difficult to meet heap cavity region absolute altitude -3.4m to+8.0m, the reachable cylindricality range requirement of diameter about 5.2m, if site operation mistake
The logic of adjustment construction temporarily, job platform also cannot be satisfied the demand of temporary variations involved in journey；Meanwhile pressure vessel heat preservation and
The installation of Nuclear Instrument trolley, which need to use, measures tripod support, and existing arrangement and method for construction cannot meet measurement tripod and scaffold is same
When the demand that uses, influence construction speed.
Utility model content
The purpose of this utility model is that：It needs repeatedly to tear open for the construction of nuclear power plant reactor cavity region in the prior art and take
Cripple platform, provides one kind and is freely lifted, disclosure satisfy that big sky the problem of increasing construction safety risk and workload
Between, multi-angle continuously constructs the nuclear power plant reactor cavity region elevating platform for construction use of demand.
The technical solution that the utility model is proposed with regard to above-mentioned technical problem is as follows：A kind of nuclear power station reactor cavity is provided
Region elevating platform for construction use, including tabletop of platform and the lifting gear that is connect vertically with tabletop of platform, the lifting gear
For driving tabletop of platform to make elevating movement, platform openings are offered in the tabletop of platform, the hoistable platform further includes：
Guiding trestle is vertically arranged to across the platform openings in the concrete foundation of bottom, on the guiding trestle
Track is set, the directive wheel being slidably matched with the track is provided in the tabletop of platform, for limiting the tabletop of platform
The elevating movement of vertical direction is carried out along the track；
Holder is measured, is vertically arranged in the concrete foundation of bottom across the guiding trestle, work is measured for carrying
Tool；
Extension mechanism, circumferentially disposed along the tabletop of platform, the extension mechanism can be radially slided along the tabletop of platform
To increase the job area of the tabletop of platform.
Wherein, it the guiding trestle and measures holder and respectively includes several vertically successively overlapped first upwards
Standard knot and the second standard knot, for adjusting the guiding trestle in real time and measuring the mounting height of holder.
Wherein, the extension mechanism includes that several first expansion plates and second being slidably connected with the tabletop of platform are stretched
Contracting plate is arranged at intervals with second expansion plate between adjacent two first expansion plates；
After first expansion plate and the second expansion plate radially fully slide out along the tabletop of platform, each described first
Expansion plate forms circular extendable platform with each second expansion plate head and the tail mutually overlap joint, to increase the tabletop of platform
Job area.
Wherein, the lifting gear includes pedestal and the lifting arm group being vertically arranged in above the pedestal, the liter
The upper and lower ends of drop arm group are slidably connected the tabletop of platform and pedestal respectively；
The position of platform openings described in face offers base openings, the guiding trestle and measurement holder on the pedestal
Bottom end be installed in concrete foundation across the base openings.
Wherein, the extension mechanism connect with first expansion plate and is radially extended along the tabletop of platform
The first extension rod, the one end of first extension rod far from first expansion plate is provided with first pulley, the platform platform
The first sliding groove being slidably matched with the first pulley is provided on face, first expansion plate is put down by first pulley with described
Platform table top is slidably connected；
Wherein, the extension mechanism connect with second expansion plate and is radially extended along the tabletop of platform
The second extension rod, the one end of second extension rod far from second expansion plate is provided with second pulley, the platform platform
The second sliding slot being slidably matched with the second pulley is provided on face, second expansion plate is put down by second pulley with described
Platform table top is slidably connected.
Wherein, the hoistable platform further includes the supporting rod that several are radially arranged along the tabletop of platform, each described
One end of supporting rod is detachably connected the tabletop of platform, and the other end supports the wall of heap cavity region surrounding, described flat to prevent
Platform table top shakes.
Wherein, it is additionally provided with the cat ladder being vertically spaced apart on the side wall of the guiding trestle, for manually climbing
Climb the guiding trestle.
Wherein, first standard knot is rectangular frame structure, and each rectangular frame structure includes being vertically arranged
First standard knot curb girder, and with the first standard knot curb girder the first standard knot crossbeam connected vertically；
It is provided with the track, the tabletop of platform on the side wall of the relatively described tabletop of platform of first standard knot curb girder
By the directive wheel lifting carriage is carried out along the track；
Second standard knot is triangular frame structure.
Wherein, the lifting arm group includes pivot pin and several lifting arms being rotatablely connected successively by the pivot pin；
The lifting gear further includes：
Hydraulic cylinder is connect with the lifting arm, for driving the lifting arm to rotate and then driving the lifting arm group
Carry out elevating movement；
Hydraulic pump connects the hydraulic cylinder, for providing driving force for the hydraulic cylinder；
Distribution box is electrically connected the hydraulic pump, the start and stop for controlling the hydraulic pump.
The advantageous effect brought of technical solution that the utility model embodiment provides is：The hoistable platform can by setting
Flexible extension mechanism has effectively adapted to construction environment complicated in heap cavity region, and the continuous construction for large space, multi-angle carries
It has supplied to ensure, improve work efficiency；And the hoistable platform is realized by designing the measurement holder being adapted with tabletop of platform
The precise positioning of survey tool datum mark, efficiently solves existing scaffold building and asks blocking for datum mark
Topic, while ensure that the separation for measuring holder and other equipment structure, improve measurement accuracy.
Description of the drawings
Fig. 1 is the integral installation distribution structure schematic diagram of hoistable platform provided by the utility model；
Fig. 2 is the overlooking structure diagram of tabletop of platform provided by the utility model；
Fig. 3 is the structural schematic diagram of extension mechanism provided by the utility model；
Fig. 4 is guiding trestle provided by the utility model and measures the structural schematic diagram of holder；
Fig. 5 is the side structure schematic view of hoistable platform provided by the utility model.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
Fig. 1 is the assembling structure schematic diagram of hoistable platform provided by the utility model, as shown in Figure 1, the hoistable platform
Including：Tabletop of platform 100 and the lifting gear 200 being connect vertically with tabletop of platform 100, lifting gear 200 are flat for driving
Platform table top 100 makees elevating movement.Platform openings 110 are offered in tabletop of platform 100, the hoistable platform further includes：
Guiding trestle 300 is vertically arranged to across platform openings 110 in the concrete foundation of bottom, on guiding trestle 300
Track 310 (referring to Fig. 4) is set, for limiting elevating movement of the tabletop of platform 100 along the progress vertical direction of track 310；
Holder 400 is measured, is vertically arranged in the concrete foundation of bottom across guiding trestle 300, is measured for carrying
Tool；
Extension mechanism 120, circumferentially disposed along tabletop of platform 100, extension mechanism 120 can be radially slided along tabletop of platform 100
To increase the job area of tabletop of platform 100.
In the present embodiment, the survey tool is common total powerstation during nuclear power construction, which is carrying out
When mapping, not only need to be measured the absolute altitude of pressure vessel heat-insulation support using ground as datum mark, it is also necessary to the moment
It keeps stablizing.The utility model is used as the measuring basis of survey tool by measuring the engraved structure of holder 400 and can basset
Point, efficiently solves occlusion issue of the existing scaffold building to datum mark, and measure holder 400 by expansion bolt with
The concrete foundation of bottom is connected directly, and is ensured the independence for measuring holder 400, is avoided guiding trestle 300 and tabletop of platform
The unstable of holder 400 is measured caused by 100 shaking, influences measurement accuracy.
In the present embodiment, the minimum diameter of tabletop of platform 100 is 3900mm, ensures that the minimum for passing through reactor cavity is straight
At diameter；After extension mechanism 120 is radial fully extended along tabletop of platform 100, the maximum gauge of tabletop of platform is up to 5200mm, side
Just construction personnel is preferably close to wall operation.
Specifically, lifting gear 200 includes pedestal 210 and the lifting arm group for being vertically arranged in 210 top of pedestal, it is described
The upper and lower ends of lifting arm group are slidably connected tabletop of platform 100 and pedestal 210 respectively；
The position of face platform openings 110 offers base openings 211, guiding trestle 300 and measurement holder on pedestal 210
400 bottom end is installed on across base openings 211 in concrete foundation.
Further, in conjunction with shown in Fig. 2, extension mechanism 120 include several be slidably connected with tabletop of platform 100 first
Expansion plate 121 and the second expansion plate 122 are arranged at intervals with one second expansion plate between adjacent two the first expansion plates 121
122；After the first expansion plate 121 and fully extended the second expansion plate 122, the first expansion plate 121 and every 1 second expansion plate 122
Head and the tail mutually overlap joint forms circular extension table top, to increase the job area of tabletop of platform 100；
In the present embodiment, the first expansion plate 121 is fan-shaped plan harden structure, and the second expansion plate 122 is rectangular flat structure.
Further, in conjunction with shown in Fig. 3, extension mechanism 120 connect with the first expansion plate 121 and is put down along described
First one end of extension rod 121a, the first extension rod 121a far from first expansion plate 121 that platform table top 100 radially extends is set
It is equipped with first pulley 121b, the first sliding groove being slidably matched with first pulley 121b is provided in tabletop of platform 100, first is flexible
Plate 121 is slidably connected by first pulley 121b and tabletop of platform 100；
Similarly, extension mechanism 120 connect with the second expansion plate 122 and is radially extended along tabletop of platform 100
The second extension rod (not shown), the one end of the second extension rod far from the second expansion plate 122 is provided with second pulley (not shown),
The second sliding slot being slidably matched with second pulley is provided in tabletop of platform 100, second expansion plate 122 passes through second pulley
It is slidably connected with tabletop of platform 100.
Further, as shown in figure 4, guiding trestle 300 and measure holder 400 respectively include several vertically by
Layer overlapped the first standard knot 310 and the second standard knot 410 upwards, guiding trestle 300 and measure the final of holder 400 highly can
It is adjusted in real time by the quantity of standard knot, site operation logic is allow to be adjusted with actual conditions, without by foot hand
The restriction of body panel.
Specifically, 310 rectangular frame structure of the first standard knot, each rectangular frame structure includes being vertically arranged
First standard knot curb girder 311, and with 311 first standard knot crossbeam 312 connected vertically of the first standard knot curb girder；First standard
It saves there are four curb girders 311, four the first standard knot curb girders 311 are vertically arranged the vertical edge for forming the rectangular frame structure；First
Standard knot crossbeam 312 has eight, and every four the first standard knot crossbeams 312 are mutually perpendicular to be enclosed the rectangular frame structure
Upper and lower end face rectangle frame.
Second standard knot, 410 frame structure triangular in shape, each triangular frame structure include be vertically arranged
Two standard knot curb girders 411, and with 411 second standard knot crossbeam 412 connected vertically of the second standard knot curb girder；Second standard knot
There are three curb girders 411, and three the second standard knot curb girders 411 are vertically arranged the vertical edge for forming the triangular frame structure；Second
There are six standard knot crossbeams 412, and every three the second standard knot crossbeams 412 are enclosed and the second standard knot curb girder about 411 two
Hold triangle frame connected vertically.
It is provided with track 313 on the side wall of first standard knot curb girder, 311 opposed platforms table top 100, tabletop of platform 100 passes through
Directive wheel (not shown) carries out lifting carriage along track 313.
It is additionally provided with the cat ladder 320 being vertically spaced apart on the side wall of guiding trestle 300, is led for manually climbing
To holder 300, to enrich the use function of hoistable platform.
Further, as shown in figure 5, the lifting arm group includes pivot pin 230 and several are turned successively by pivot pin 230
The lifting arm 220 of dynamic connection；
The lifting gear further includes：
Hydraulic cylinder 240 is connect with lifting arm 220, for driving lifting arm 220 to rotate and then lifting arm group being driven to carry out
Elevating movement；
Hydraulic pump 250 connects hydraulic cylinder 240, for providing driving force for hydraulic cylinder 240；
Distribution box 260 is electrically connected hydraulic pump 250, the start and stop for controlling hydraulic pump 250.
In the present embodiment, 100 payload ratings of tabletop of platform are 3.5T, adjustable height 10.9m；The hydraulic cylinder 240
Quantity be 4, use 380V-5.5KW special combinations hydraulic pump to provide driving force for 4 hydraulic cylinders, to drive described in
Lifting arm combines hoistable platform table top 100.
In conclusion the lifting gear in the utility model above-described embodiment brings following technique effect：
(1) hoistable platform has effectively adapted to construction complicated in heap cavity region by the way that telescopic extension mechanism is arranged
Environment, realize stretch in heap chamber civil engineering, the continuous lifting of necking region, improve work efficiency, while being large space, multi-angle
It is continuous construction provide guarantee；
(2) hoistable platform realizes survey tool measurement by designing the measurement holder being adapted with tabletop of platform
The precise positioning of datum mark, while ensure that the separation for measuring holder and other equipment structure, improve measurement accuracy；
(3) guiding trestle and measurement holder use sectional modular installation method, simple and practical, are easy to take
It builds, is suitble to large-scale promotion application.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Right within.
Claims (10)
1. a kind of nuclear power station reactor cavity region elevating platform for construction use, including tabletop of platform (100) and and tabletop of platform
(100) lifting gear (200) connected vertically, the lifting gear (200) is for driving tabletop of platform (100) to make lifting fortune
It is dynamic, which is characterized in that offer platform openings (110) on the tabletop of platform (100), the hoistable platform further includes：
Guiding trestle (300) is vertically arranged to across the platform openings (110) in the concrete foundation of bottom, the guiding
Track (313) is set on holder (300), is provided on the tabletop of platform (100) and is led with what the track (313) was slidably matched
To wheel, for limiting elevating movement of the tabletop of platform (100) along the track (313) progress vertical direction；
Holder (400) is measured, is vertically arranged in the concrete foundation of bottom across the guiding trestle (300), for carrying
Survey tool；
Extension mechanism (120), circumferentially disposed along the tabletop of platform (100), the extension mechanism (120) can be along the platform platform
Face (100) is radially slided to increase the job area of the tabletop of platform (100).
2. hoistable platform according to claim 1, which is characterized in that the guiding trestle (300) and measurement holder (400)
Several vertically successively overlapped the first standard knot (310) and the second standard knots (410) upwards are respectively included, for reality
When adjust the guiding trestle (300) and measure holder (400) mounting height.
3. hoistable platform according to claim 1, which is characterized in that the extension mechanism (120) includes several and institute
State the first expansion plate (121) and the second expansion plate (122) that tabletop of platform (100) is slidably connected, adjacent two described first
Second expansion plate (122) is arranged at intervals between expansion plate (121)；
After first expansion plate (121) and the second expansion plate (122) radially fully slide out along the tabletop of platform (100),
Each first expansion plate (121) forms circular extend with each mutual overlap joint of second expansion plate (122) head and the tail and puts down
Platform, to increase the job area of the tabletop of platform (100).
4. hoistable platform according to claim 2, which is characterized in that the lifting gear (200) include pedestal (210) with
And it is vertically arranged in the lifting arm group above the pedestal (210), the upper and lower ends of the lifting arm group are slidably connected institute respectively
State tabletop of platform (100) and pedestal (210)；
The position of platform openings (110) described in face offers base openings (211), the guiding branch on the pedestal (210)
Frame (300) and the bottom end for measuring holder (400) are installed on across the base openings (211) in concrete foundation.
5. hoistable platform according to claim 3, which is characterized in that the extension mechanism (120) further includes and described
One expansion plate (121) connection and prolong along the first extension rod (121a) that the tabletop of platform (100) radially extends, described first
The one end of boom (121a) far from first expansion plate (121) is provided with first pulley (121b), the tabletop of platform (100)
On be provided with the first sliding groove being slidably matched with the first pulley (121b), first expansion plate (121) passes through first and slides
Wheel (121b) is slidably connected with the tabletop of platform (100).
6. hoistable platform according to claim 3, which is characterized in that the extension mechanism (120) further includes and described
Two expansion plates (122) connection and along the second extension rod that the tabletop of platform (100) radially extends, second extension rod is remote
One end from second expansion plate (122) is provided with second pulley, is provided with and described second on the tabletop of platform (100)
The second sliding slot that pulley is slidably matched, second expansion plate (122) are slided by second pulley and the tabletop of platform (100)
Connection.
7. hoistable platform according to claim 1, which is characterized in that the hoistable platform further includes several along described flat
One end of the supporting rod that platform table top (100) is radially arranged, each supporting rod is detachably connected the tabletop of platform (100),
The other end supports the wall of heap cavity region surrounding, to prevent the tabletop of platform (100) from shaking.
8. hoistable platform according to claim 2, which is characterized in that also set up on the side wall of the guiding trestle (300)
There is the cat ladder (320) being vertically spaced apart, for manually climbing the guiding trestle (300).
9. hoistable platform according to claim 2, which is characterized in that first standard knot (310) is rectangular frame knot
Structure, each rectangular frame structure include the first standard knot curb girder (311) being vertically arranged, and with the first standard knot curb girder
(311) the first standard knot crossbeam (312) connected vertically；
It is provided with the track (313) on the side wall of the relatively described tabletop of platform (100) of the first standard knot curb girder (311),
The tabletop of platform (100) carries out lifting carriage by the directive wheel along the track (313)；
Second standard knot (410) is triangular frame structure.
10. hoistable platform according to claim 4, which is characterized in that the lifting arm group include pivot pin (230) and if
The dry lifting arm (220) being rotatablely connected successively by the pivot pin (230)；
The lifting gear (200) further includes：
Hydraulic cylinder (240) is connect with the lifting arm (220), for driving the lifting arm (220) to rotate and then driving institute
It states lifting arm group and carries out elevating movement；
Hydraulic pump (250) connects the hydraulic cylinder (240), for providing driving force for the hydraulic cylinder (240)；
Distribution box (260) is electrically connected the hydraulic pump (250), the start and stop for controlling the hydraulic pump (250).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820354424.1U CN208071247U (en) | 2018-03-15 | 2018-03-15 | A kind of nuclear power station reactor cavity region elevating platform for construction use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820354424.1U CN208071247U (en) | 2018-03-15 | 2018-03-15 | A kind of nuclear power station reactor cavity region elevating platform for construction use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208071247U true CN208071247U (en) | 2018-11-09 |
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ID=64047168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820354424.1U Active CN208071247U (en) | 2018-03-15 | 2018-03-15 | A kind of nuclear power station reactor cavity region elevating platform for construction use |
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| CN (1) | CN208071247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170822A (en) * | 2019-05-07 | 2019-08-27 | 辽宁顺达机械制造有限公司 | A kind of lift telescopic assembly platform |
-
2018
- 2018-03-15 CN CN201820354424.1U patent/CN208071247U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170822A (en) * | 2019-05-07 | 2019-08-27 | 辽宁顺达机械制造有限公司 | A kind of lift telescopic assembly platform |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Tielin Inventor after: Wang Qiang Inventor after: Wu Weiwei Inventor after: Peng Long Inventor before: Wang Qiang Inventor before: Li Tielin Inventor before: Wu Weiwei Inventor before: Peng Long |
|
| CB03 | Change of inventor or designer information |