CN203959673U - A kind of device for fixing running tracks and polar crane multifunction railway - Google Patents
A kind of device for fixing running tracks and polar crane multifunction railway Download PDFInfo
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- CN203959673U CN203959673U CN201420397026.XU CN201420397026U CN203959673U CN 203959673 U CN203959673 U CN 203959673U CN 201420397026 U CN201420397026 U CN 201420397026U CN 203959673 U CN203959673 U CN 203959673U
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- adjusting pad
- ring rail
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- square steel
- horizontal wheel
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Abstract
The utility model discloses a kind of device for fixing running tracks and polar crane multifunction railway, square steel track inner side is provided with the horizontal wheel that guiding diameter is L3, the uniform outside that is welded on square steel track of multiple adjusting pads, and on adjusting pad, have the draw-in groove that size and ring flange of rail seat adapt, and making the draw-in groove center of multiple adjusting pads and the distance of square steel inner track radius is steady state value L1, ring rail 1 is installed carrying by multiple adjusting pad draw-in grooves and is fixed, the top of adjusting pad is provided with for making to encircle flange of rail seat and locates fixing ring rail pressure plate with adjusting pad, adjusting pad is movably connected on annular support rail beam, the size of the central diameter L2 of adjustment ring rail, make the guiding diameter L3 of horizontal wheel obtain indirect guarantee.A kind of device for fixing running tracks described in the utility model and polar crane multifunction railway, solved with the one-piece type annular carrier bar of containment on the setting accuracy of horizontal wheel track poor, horizontal roller and orbit gap are adjusted uppity problem.
Description
Technical field
The utility model relates to handling machinery industry, is specially adapted to ring rail and horizontal wheel track and the anchor fitting of used in nuclear power station polar crane.
Background technology
At present, along with the progress of China's Nuclear Electricity, the continuous dilatation of nuclear station unit, used in nuclear power station polar crane (hanging hereinafter to be referred as ring) is as the key equipment of project installation and major overhaul, its product constantly upgrades, and structural shape has carried out corresponding innovation, and former two generations are encircled the pattern of suspension ring rail and horizontally-guided track, can not adapt to the nowadays structural requirement of three generations's Nuclear Safety shell, be badly in need of improving.
Used in nuclear power station ring is hung in four jiaos of places of crane span structure and is provided with horizontal wheel device (as shown in Figure 1), the horizontal load of hanging for bearing ring, comprise the load under normal operation and earthquake operating mode, this device pole is supported on end of main beam, and roller withstands on annular support rail beam.
Encircle and hang in technology in existing two generations, two generations annulars support rail beams 21 are arranged on nuclear station two generations containment 22 and build on the two generation brackets 23 that are integrated, two generations annulars support rail beams 21 and two generation bracket 23 adopt two generation bolt group 24 closing, two generations annular rail 25 (annular rail is hereinafter to be referred as ring rail) and annular support rail beam 21 employings of two generations of cart operation are welded to connect.Two generations annulars support rail beams 21 can be dismantled movement, radially adjustable along reactor, because of two generation horizontal wheel 26 track that leads use be the lower flange of annular support rail beam 21 of two generations, therefore race way diameter meets the requirement (as shown in Figure 2) of setting accuracy, but hang in technology at three generations's ring, three generations annular support rail beam 34 directly and nuclear station three generations containment 31 build and be integrated (as shown in Figure 3), position is fixed, it is unadjustable that three generations's containment 31 has been manufactured 34 radial positions of rear three generations's annular support rail beam, causing three generations to encircle rail 32 positions cannot regulate, if horizontal wheel track is arranged on the belt support rail beam 34 of three generations simultaneously, because belt support rail beam 34 installation errors of three generations cannot be eliminated, make the setting accuracy of horizontal wheel track wayward, cause horizontal guide sheave quick abrasion, life-span is short, hoisting crane entirety centering is poor, the problems such as suspension centre positioning precision is low.
For above problem, study a kind of polar crane multifunction railway anchor fitting, make to encircle the structural requirement that rail and horizontal wheel track can adapt to three generations's Nuclear Safety shell, improve the positioning precision of horizontal wheel device, significant.
Summary of the invention
The utility model is for the proposition of above problem, and a kind of device for fixing running tracks of research and design and polar crane multifunction railway, cannot eliminate in order to solve existing annular support rail beam installation error, make the setting accuracy of horizontal wheel track wayward, cause horizontal guide sheave quick abrasion, life-span short, the shortcoming that hoisting crane entirety centering is poor, suspension centre positioning precision is low.The technological means that the utility model adopts is as follows:
A kind of device for fixing running tracks, comprising: ring rail, ring rail pressure plate, adjusting pad, square steel track, horizontal wheel and annular support rail beam, square steel track inner side is provided with the horizontal wheel that guiding diameter is L3, the uniform outside that is welded on square steel track of multiple adjusting pads, and on adjusting pad, have the draw-in groove that size and ring flange of rail seat adapt, and making the draw-in groove center of multiple adjusting pads and the distance of square steel inner track radius is steady state value L1, ring rail 1 is installed carrying by multiple adjusting pad draw-in grooves and is fixed, the top of adjusting pad is provided with for making to encircle flange of rail seat and locates fixing ring rail pressure plate with adjusting pad, adjusting pad is movably connected on annular support rail beam, the size of the central diameter L2 of adjustment ring rail, make the guiding diameter L3 of horizontal wheel meet installation dimension.
Be fixed with respectively a ring rail pressure plate as the ring rail both sides of preferred each adjusting pad, adjusting pad is fixing with annular support rail beam location through ring rail pressure plate and adjusting pad by bolt group.
As preferred some square steel tracks, simmering and bending are spliced into circumference as horizontal wheel track.
A kind of polar crane multifunction railway, is characterized in that described ring rail is fixed on annular support rail beam closing by above-mentioned device for fixing running tracks.
Compared with the prior art, a kind of device for fixing running tracks described in the utility model and polar crane multifunction railway, on adjusting pad, have the draw-in groove that size and ring flange of rail seat adapt, ring rail 1 is installed carrying by multiple adjusting pad draw-in grooves and is fixed, the top of adjusting pad is provided with for making to encircle flange of rail seat and locates fixing ring rail pressure plate with adjusting pad, adjusting pad is movably connected on annular support rail beam, solve the shortcoming that three generations encircles the annular support rail beam hanging and can not adjust position, because L1 is by the processing of adjusting pad, ensure dimensional accuracy, the size of the central diameter L2 of adjustment ring rail, make the guiding diameter L3 of horizontal wheel obtain indirect guarantee, solved with the one-piece type annular carrier bar of containment on the setting accuracy of horizontal wheel track poor, horizontal roller and orbit gap are adjusted uppity problem, having merged ring rail and horizontal wheel track installs, can alleviate the wearing and tearing of horizontal guide sheave, improve the life-span, improve the reliability that hoisting crane positioning precision and ring hang, simultaneously, greatly shorten installation period, significant, adopt the multifunction railway of the adjustable version in segmentation position, in the construction stage, this track is put together on the ring beam with containment one, avoided the ring beam positional precision error impact on ring rail and horizontal rail setting accuracy greatly with containment one.
The horizontal wheel device that used in nuclear power station polar crane is provided with at four jiaos of places of crane span structure is supported on the ring rail of annular support rail beam, for bearing up the horizontal load of heavy-duty machine.The utility model is by setting party's die horizontal rail on annular support rail beam, and divide into and put adjusting pad and ring rail pressure plate at square steel track, meet nuclear station polar crane to the high-precision requirement of horizontally-guided device in, reduce the installation difficulty of ring rail and horizontal wheel track, shorten installation period, estimated that every equipment can increase economic efficiency 2,000,000 yuan.
Brief description of the drawings
Fig. 1 is crane span structure horizontal wheel apparatus structure schematic diagram.
Fig. 2 encircles to hang horizontal wheel structural representation in existing two generations.
Fig. 3 is that three generations encircles and hangs support rail girder construction schematic diagram.
Fig. 4 is the structural representation of the multifunction railway of the utility model anchor fitting application.
Fig. 5 is that I view is amplified in the part of Fig. 4.
Fig. 6 is the A-A cutaway view of Fig. 5.
Wherein: 1, ring rail, 2, ring rail pressure plate, 3, adjusting pad, 4, square steel track, 5, horizontal wheel, 6, bolt group, 7, annular support rail beam,
21, two generations annulars support rail beams, 22, two generation containment, 23, two generation bracket, 24, two generation bolt group, 25, two generations ring rail, 26, two generation horizontal wheel,
31, three generations's containment, 32, three generations encircles rail, 33, three generations's horizontal wheel, 34, three generations's annular support rail beam.
Detailed description of the invention
As Figure 4-Figure 6, a kind of device for fixing running tracks, comprising: ring rail 1, ring rail pressure plate 2, adjusting pad 3, square steel track 4, horizontal wheel 5 and annular support rail beam 7, square steel track 4 inner sides are provided with the horizontal wheel 5 that guiding diameter is L3, and some square steel track 4 simmering and bending are spliced into circumference as horizontal wheel track, the uniform outside that is welded on square steel track 4 of multiple adjusting pads 3, and on adjusting pad 3, have the draw-in groove that size and ring rail 1 base adapt, and making the draw-in groove center of multiple adjusting pads 3 and the distance of square steel track 4 internal diameters is steady state value L1, ring rail 1 is installed carrying by multiple adjusting pad 3 draw-in grooves and is fixed, the top of adjusting pad 3 is provided with for making to encircle rail 1 base and locates fixing ring rail pressure plate 2 with adjusting pad 3, adjusting pad 3 is movably connected on annular support rail beam 7, ring rail 1 both sides of each adjusting pad 3 are fixed with respectively a ring rail pressure plate 2, ring rail force way is more reasonable, adjusting pad 3 is fixing with annular support rail beam 7 location through ring rail pressure plate 2 and adjusting pad 3 by bolt group 6, solve the shortcoming that three generations encircles the annular support rail beam hanging and can not adjust position, because L1 is by the processing of adjusting pad 3, ensure dimensional accuracy, the size of the central diameter L2 of adjustment ring rail 1, according to length requirement L2=L3+2L1, make the guiding diameter L3 of horizontal wheel 5 obtain indirect guarantee, make the guiding diameter L3 of horizontal wheel 5 meet installation dimension, solved with the one-piece type annular carrier bar of containment on the setting accuracy of horizontal wheel track poor, horizontal roller and orbit gap are adjusted uppity problem, having merged ring rail and horizontal wheel track installs, can alleviate the wearing and tearing of horizontal guide sheave, improve the life-span, improve the reliability that hoisting crane positioning precision and ring hang, simultaneously, greatly shorten installation period, significant.
A kind of polar crane multifunction railway, it is characterized in that described ring rail 1 is fixed on annular support rail beam 7 closing by above-mentioned device for fixing running tracks, adopt the multifunction railway of the adjustable version in segmentation and position, in the construction stage, this track is put together on the ring beam with containment one, avoided the ring beam positional precision error impact on ring rail and horizontal rail setting accuracy greatly with containment one.
A kind of device for fixing running tracks described in the utility model and polar crane multifunction railway, simple in structure, manufacture Installation and adjustment very convenient, actv. has avoided the ring suspension ring rail and the horizontal wheel that cause because of the installation error of nuclear power plant containment shell manufacturing errors, support rail beam etc. that cumulative errors are installed, ring rail and horizontal wheel positioning precision are improved greatly, effectively promote the overall performance that ring hangs, can make to encircle rail and horizontal wheel force way is more reasonable, contribute to improve the reliability that ring hangs.
The above; it is only preferably detailed description of the invention of the utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; be equal to replacement or changed according to the technical solution of the utility model and inventive concept thereof, within all should being encompassed in protection domain of the present utility model.
Claims (4)
1. a device for fixing running tracks, is characterized in that comprising: ring rail (1), ring rail pressure plate (2), adjusting pad (3), square steel track (4), horizontal wheel (5) and annular support rail beam (7), square steel track (4) inner side is provided with the horizontal wheel (5) that guiding diameter is L3, the uniform outside that is welded on square steel track (4) of multiple adjusting pads (3), and on adjusting pad (3), have the draw-in groove that size and ring rail (1) base adapt, and making the draw-in groove center of multiple adjusting pads (3) and the distance of square steel track (4) internal diameter is steady state value L1, ring rail (1) is installed carrying by multiple adjusting pads (3) draw-in groove and is fixed, the top of adjusting pad (3) is provided with for making to encircle the same adjusting pad of rail (1) base (3) and locates fixing ring rail pressure plate (2), adjusting pad (3) is movably connected on annular support rail beam (7), the size of the central diameter L2 of adjustment ring rail (1), make the guiding diameter L3 of horizontal wheel (5) meet installation dimension.
2. a kind of device for fixing running tracks according to claim 1, it is characterized in that: ring rail (1) both sides of each adjusting pad (3) are fixed with respectively a ring rail pressure plate (2), adjusting pad (3) is fixing with annular support rail beam (7) location through ring rail pressure plate (2) and adjusting pad (3) by bolt group (6).
3. a kind of device for fixing running tracks according to claim 1, is characterized in that: some square steel tracks (4) simmering and bending are spliced into circumference as horizontal wheel track.
4. a polar crane multifunction railway, is characterized in that described ring rail (1) is fixed on annular support rail beam (7) closing by the device for fixing running tracks described in claim 1-3 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420397026.XU CN203959673U (en) | 2014-07-17 | 2014-07-17 | A kind of device for fixing running tracks and polar crane multifunction railway |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420397026.XU CN203959673U (en) | 2014-07-17 | 2014-07-17 | A kind of device for fixing running tracks and polar crane multifunction railway |
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| CN203959673U true CN203959673U (en) | 2014-11-26 |
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| CN201420397026.XU Active CN203959673U (en) | 2014-07-17 | 2014-07-17 | A kind of device for fixing running tracks and polar crane multifunction railway |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374789A (en) * | 2021-05-21 | 2021-09-10 | 西安理工大学 | Radial positioning mechanism and radial position adjusting method of arc rolling guide rail |
| CN116101895A (en) * | 2022-12-01 | 2023-05-12 | 中铁广州工程局集团有限公司 | Running rail fixing system for water plate girder hoisting machine in typhoon weather |
-
2014
- 2014-07-17 CN CN201420397026.XU patent/CN203959673U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374789A (en) * | 2021-05-21 | 2021-09-10 | 西安理工大学 | Radial positioning mechanism and radial position adjusting method of arc rolling guide rail |
| CN113374789B (en) * | 2021-05-21 | 2022-06-07 | 西安理工大学 | Radial positioning mechanism and radial position adjusting method of arc rolling guide rail |
| CN116101895A (en) * | 2022-12-01 | 2023-05-12 | 中铁广州工程局集团有限公司 | Running rail fixing system for water plate girder hoisting machine in typhoon weather |
| CN116101895B (en) * | 2022-12-01 | 2024-06-07 | 中铁广州工程局集团有限公司 | Running rail fixing system for water plate girder hoisting machine in typhoon weather |
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