CN108532610B - A dustproof canopy that is used for stator to roll off production line in foundation ditch - Google Patents
A dustproof canopy that is used for stator to roll off production line in foundation ditch Download PDFInfo
- Publication number
- CN108532610B CN108532610B CN201810556744.XA CN201810556744A CN108532610B CN 108532610 B CN108532610 B CN 108532610B CN 201810556744 A CN201810556744 A CN 201810556744A CN 108532610 B CN108532610 B CN 108532610B
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- Prior art keywords
- annular
- wire rod
- shed frame
- platform
- lower line
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- 238000004519 manufacturing process Methods 0.000 title description 2
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 239000000725 suspension Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/02—Travelling gear incorporated in or fitted to trolleys or cranes for underhung trolleys or cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/04—Travelling gear incorporated in or fitted to trolleys or cranes to facilitate negotiation of curves
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a dustproof shed for the lower line of a stator in a foundation pit, and aims to provide a dustproof shed for the lower line of the stator in the foundation pit, which is convenient to use. The multi-ring type multi-layer wind-proof shed comprises a shed frame which is of an annular structure, an annular I-shaped steel rail fixedly arranged at the top of the shed frame, a suspension type rail car arranged on the annular I-shaped steel rail, a top sunlight plate shed frame paved at the upper end of the shed frame, an outer sunlight plate arranged on the outer side wall surface of the shed frame, fireproof tarpaulin arranged on the inner side of the shed frame, a ventilating fan which is distributed at the top of the shed frame in a multi-ring shape, a wire rod transportation platform arranged at one side of the upper part of the shed frame, an annular pavement arranged in the shed frame, a supporting body used for connecting the inner side of the annular pavement, a hanging rod used for connecting the outer side of the annular pavement and the ground, a first layer of lower line platform which is positioned at the inner side of the shed frame and close to the bottom of a foundation pit, and a third layer of lower line platform which is annular and is positioned above the second layer of lower line platform.
Description
Technical Field
The invention relates to the technical field of hydroelectric power station hydraulic generator installation, in particular to a dustproof shed for the offline of a stator in a foundation pit.
Background
The stator is installed to have a large amount of engineering volume in the power station work progress of taking off the line, but because reasons such as job site condition, job site space constraint, the stator is taken off the line and is had following problem generally: (1) The working position between the installation room is occupied by the offline outside the foundation pit, so that the hydraulic turbine runner cannot be constructed simultaneously, and the hoisting difficulty of hoisting the hydraulic turbine runner into the foundation pit after the offline is completed is high; (2) The problem of mutual interference with other professional construction operation surfaces such as a water turbine exists in the foundation pit inner line. The efficiency of stator offline is related to the construction efficiency and influences the engineering benefit exertion. If the dustproof shed for the stator offline is not suitable for site construction, the construction progress is greatly influenced, so that the proper dustproof shed for the stator offline is required to be arranged at the initial stage of construction, and the smooth progress of the stator offline is ensured.
In the existing engineering, for the construction of stator offline, there are mainly two modes of completing offline outside the foundation pit and then hoisting the stator offline into the foundation pit, and completing offline in the foundation pit. The method for completing the off-line work outside the foundation pit and then hanging the foundation pit into the foundation pit through a bridge crane comprises the following steps: occupy a large amount of installation room space when the off-line, and equipment such as top cap that generator layer put will influence hoisting operation when hoist and mount, and the stator weight of having finished the line down is great, has high hoist and mount risk, and the stator frame has the deformation risk. And finishing offline operation in the foundation pit: the stator is not provided with reasonable dustproof shed in the offline area, the dustproof effect is seriously affected, the water turbine professional is constructed synchronously, due to the space limitation of the foundation pit, the space of the dustproof shed is unreasonably arranged, the operations such as water turbine professional hoisting are affected, the construction period is prolonged, and meanwhile, the potential safety hazard is very large.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the dustproof shed for the offline of the stator in the foundation pit, which is convenient to use, easy to build, low in use cost and reasonable in space arrangement.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the utility model provides a dustproof canopy for foundation ditch inner stator is coming off line, including the rack that is annular structure, the fixed annular I-steel track that sets up in the rack top, and be close to the rack inboard, install the suspension type railcar on annular I-steel track, lay in the top sunshine board rack of rack upper end, the outside sunshine board of setting on rack lateral wall face, set up in the rack inboard, the fire prevention tarpaulin that extends to foundation ditch bottom, the multiple ring shape distributes the ventilator that sets up in the rack top and wears out top sunshine board, the line stick transport platform of setting up in rack upper portion one side, set up in the rack, be located the annular walkway in the middle part vicinity, be used for connecting annular walkway inboard, be annular supporter for connecting annular walkway outside and the jib on ground, be located the rack inboard department, be close to the foundation ditch bottom and be annular first layer platform that is coming off line, be located first layer platform that is located first layer lower line platform top, be annular second layer lower line platform, be located second layer lower line platform top, be annular third layer lower line platform that is lower line platform, be annular, many be used for supporting the first layer lower line platform, second layer lower line platform and third layer lower line platform, multiple supporting platform lower line platform and third layer supporting platform lower line platform are used for supporting the third layer lower line platform, outer layer lower line platform and third layer supporting platform lower line platform is outer layer platform lower line platform; the shed frame is formed by dividing four parts into equal parts; the shed frame comprises a plurality of inner ring supports which are distributed in a ring shape and supported on the supporting body, a plurality of outer ring supports which are distributed in a ring shape, have the diameter larger than that of the inner ring supports and are directly concentric with the inner ring supports, and are connected with the corresponding inner ring supports and the outer ring supports, and extend inwards for a section of rectangle to form overhanging cross arms; the lower end of the inner ring support is supported on the support body; the outer side of the wire rod conveying platform is lapped on the ground; the inner side of the wire rod transportation platform is close to the suspension type rail car and is connected to the top of the shed frame and the supporting body through the supporting rods.
Preferably, the suspension type rail car comprises a hanger with pulleys and an electric hoist arranged at the lower part of the hanger; the pulley is in guide fit with the annular I-shaped steel rail.
Preferably, the boom is zigzag.
Preferably, the number of the ventilation fans is four.
Preferably, the components of the canopy frame are connected by welding.
Compared with the prior art, the invention has the following advantages:
the invention adopts split assembly, can be recycled repeatedly, avoids hoisting large parts after stator offline is completed, does not prevent the water turbine from constructing simultaneously, and has the advantages of dust prevention, good monitoring effect and flexible construction; according to the invention, the suspension type rail car is arranged below the annular I-shaped steel rail, and the electric hoist and the annular I-shaped steel rail are matched for use, so that the wire rod is suspended around a foundation pit and in the vertical direction, the position transportation of the wire rod is facilitated, the height adjustment of the wire rod is facilitated, and meanwhile, the wire-descending work of constructors is also facilitated. The invention has simple structure, convenient operation and strong practicability.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic top view of the present invention.
Fig. 2 is a schematic cross-sectional view taken along line A-A in fig. 1.
Fig. 3 is a schematic cross-sectional view taken along line B-B of fig. 1.
Fig. 4 is a schematic structural view of a suspended railcar.
In the figure: 1-an outer ring support; 2-annular I-steel tracks; 3-suspended railcars; 4-a wire rod transportation platform; 5-supporting rods; 6-inner ring support; 7-a cross arm; 8-top solar panel; 9-outer sun panels; 10-fireproof tarpaulin; 11-a third layer offline platform; 12-a second layer offline platform; 13-a first layer offline platform; 14-an inner ring platform support; 15-an outer ring platform support; 16-boom; 17-pulleys; 18-hanging frames; 19-electric hoist; 20-a ventilation fan; 21-annular walkway, 22-support.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
The dustproof shed for the bottom line of the foundation pit shown in figures 1-4 comprises a shed frame with an annular structure, an annular I-shaped steel rail fixedly arranged at the top of the shed frame and close to the inner side of the shed frame, a suspended rail car arranged on the annular I-shaped steel rail, a top sunlight plate shed frame paved at the upper end of the shed frame, an outer side sunlight plate arranged on the outer side wall surface of the shed frame, fireproof tarpaulin arranged at the inner side of the shed frame and extending towards the bottom of the foundation pit, a ventilation fan which is distributed at the top of the shed frame in a four-ring shape and penetrates through the top sunlight plate, a wire rod transportation platform arranged at one side of the upper part of the shed frame, an annular walking path arranged in the shed frame and positioned near the middle of the shed frame, the support body is used for connecting the inner side of the annular pavement, the annular support body is used for connecting the outer side of the annular pavement and the ground, the suspension rod is positioned at the inner side of the shed frame, is close to the bottom of the foundation pit and is an annular first-layer lower line platform, is positioned above the first-layer lower line platform, is an annular second-layer lower line platform, is positioned above the second-layer lower line platform, is an annular third-layer lower line platform, is a plurality of inner ring platform supports used for supporting the inner sides of the first-layer lower line platform, the second-layer lower line platform and the third-layer lower line platform, and is a plurality of outer ring platform supports used for supporting the outer sides of the first-layer lower line platform, the second-layer lower line platform and the third-layer lower line platform; the shed frame is formed by dividing four parts into equal parts; the shed frame comprises a plurality of inner ring supports which are distributed in a ring shape and supported on the supporting body, a plurality of outer ring supports which are distributed in a ring shape, have the diameter larger than that of the inner ring supports and are directly concentric with the inner ring supports, and are connected with the corresponding inner ring supports and the outer ring supports, and extend inwards for a section of rectangle to form overhanging cross arms; the lower end of the inner ring support is supported on the support body; the outer side of the wire rod conveying platform is lapped on the ground; the inner side of the wire rod transportation platform is close to the suspension type rail car and is connected to the top of the shed frame and the supporting body through the supporting rods.
The suspension type rail car comprises a hanging frame with pulleys and an electric hoist arranged at the lower part of the hanging frame; the pulley is in guide fit with the annular I-shaped steel rail.
The suspender is Z-shaped. The components of the canopy frame are preferably connected by welding.
When the wire rod is transported, an operator stands on the third-layer wire-descending platform to operate the electric hoist control switch, and the hand-stroked wire rod is slowly pushed, so that the suspension type rail car moves annularly around the foundation pit along the annular I-shaped steel rail and is transported to a designated position. The wire rod is transported from the wire rod transportation platform to the foundation pit by the generator layer, the wire rod is tied at one end of the wire rod by the hanging belt, the wire rod is not affected when the tied position is hoisted, the tying belt is hung on the lifting hook of the electric hoist, and the lifting hook slowly lifts the wire rod to vertically hoist, so that the wire rod hanging is completed. After the wire rod is transported to a designated position, the height of the wire rod is adjusted to the wire-unloading height by operating the electric hoist control switch, then the wire rod is pushed into the wire slot, the wire rod wire pressing measure is adopted, and the wire rod is installed, so that the next wire rod can be hoisted and unloaded.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. A method for stator offline in a foundation pit, characterized by: the method for the foundation pit inner stator down line is based on a dustproof shed for the foundation pit inner stator down line, the dustproof shed for the foundation pit inner stator down line comprises a shed frame with an annular structure, an annular I-shaped steel rail fixedly arranged at the top of the shed frame and close to the inner side of the shed frame, a suspension type rail car arranged on the annular I-shaped steel rail, a top sunlight plate shed frame paved at the upper end of the shed frame, an outer side sunlight plate arranged on the outer side wall surface of the shed frame, fireproof tarpaulin arranged at the inner side of the shed frame and extending towards the bottom of the foundation pit, a ventilation fan with multiple rings distributed at the top of the shed frame and penetrating out of the top sunlight plate, and a wire rod conveying platform arranged at one side of the upper part of the shed frame, the annular walkway is arranged in the shed frame and is positioned near the middle of the shed frame, the annular walkway is used for connecting the inner side of the annular walkway, the annular supporting body is used for connecting the outer side of the annular walkway with a suspender on the ground, the annular first-layer lower line platform is positioned at the inner side of the shed frame and is close to the bottom of the foundation pit, the annular second-layer lower line platform is positioned above the first-layer lower line platform, the annular third-layer lower line platform is positioned above the second-layer lower line platform, the plurality of inner ring platform supports are used for supporting the first-layer lower line platform, the second-layer lower line platform and the inner side of the third-layer lower line platform, and the plurality of outer ring platform supports are used for supporting the outer sides of the first-layer lower line platform, the second-layer lower line platform and the third-layer lower line platform; the shed frame is formed by dividing four parts into equal parts; the shed frame comprises a plurality of inner ring supports which are distributed in a ring shape and supported on the supporting body, a plurality of outer ring supports which are distributed in a ring shape, have the diameter larger than that of the inner ring supports and are directly concentric with the inner ring supports, and are connected with the corresponding inner ring supports and the outer ring supports, and extend inwards for a section of rectangle to form overhanging cross arms; the lower end of the inner ring support is supported on the support body; the outer side of the wire rod conveying platform is lapped on the ground; the inner side of the wire rod transportation platform is close to the suspension type rail car and is connected to the top of the shed frame and the supporting body through the supporting rod;
the method for the stator offline in the foundation pit comprises the following steps of:
when the wire rod is transported, an operator stands on the third-layer offline platform to operate the electric hoist control switch, and the hand-stroked wire rod is slowly pushed, so that the suspended rail car moves annularly around the foundation pit along the annular I-shaped steel rail and is transported to a designated position; the wire rod is transported into the foundation pit from the wire rod transportation platform by the generator layer, the wire rod is tied at one end of the wire rod by a hanging belt, the wire rod is not affected when the tied position is hoisted, the tying belt is hung on the lifting hook of the electric hoist, and the lifting hook slowly rises to vertically hoist the wire rod, so that the wire rod hanging is completed; after the wire rod is transported to a designated position, the height of the wire rod is adjusted to the wire-unloading height by operating the electric hoist control switch, then the wire rod is pushed into the wire slot, the wire rod wire pressing measure is adopted, and the wire rod is installed, so that the next wire rod can be hoisted and unloaded.
2. The method for in-pit stator down-line of claim 1, wherein: the suspension type rail car comprises a hanging frame with pulleys and an electric hoist arranged at the lower part of the hanging frame; the pulley is in guide fit with the annular I-shaped steel rail.
3. Method for the offline of stators in foundation pits according to claim 1 or 2, characterized in that: the suspender is Z-shaped.
4. Method for the offline of stators in foundation pits according to claim 1 or 2, characterized in that: the number of the ventilation fans is four.
5. Method for the offline of stators in foundation pits according to claim 1 or 2, characterized in that: the components of the shed frame are connected through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556744.XA CN108532610B (en) | 2018-05-31 | 2018-05-31 | A dustproof canopy that is used for stator to roll off production line in foundation ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556744.XA CN108532610B (en) | 2018-05-31 | 2018-05-31 | A dustproof canopy that is used for stator to roll off production line in foundation ditch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108532610A CN108532610A (en) | 2018-09-14 |
| CN108532610B true CN108532610B (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810556744.XA Active CN108532610B (en) | 2018-05-31 | 2018-05-31 | A dustproof canopy that is used for stator to roll off production line in foundation ditch |
Country Status (1)
| Country | Link |
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| CN (1) | CN108532610B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607399B (en) * | 2018-12-12 | 2020-02-21 | 中国三冶集团有限公司 | Hoisting process for installing roof net rack |
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|---|---|---|---|---|
| SU781289A1 (en) * | 1978-12-11 | 1980-11-23 | Горьковский Инженерно-Строительный Институт Им. В.П.Чкалова | Device for erecting domes |
| JPH10220017A (en) * | 1997-02-07 | 1998-08-18 | Taisei Yuso Kk | Construction work auxiliary system |
| CN104074366A (en) * | 2014-06-13 | 2014-10-01 | 长江勘测规划设计研究有限责任公司 | Underground nuclear power plant reactor chamber containment dome installing structure |
| CN204282845U (en) * | 2014-12-04 | 2015-04-22 | 王刚军 | Buildings in cold roof insulating structure |
| CN105952008A (en) * | 2016-05-27 | 2016-09-21 | 中石化宁波工程有限公司 | An elastic felt hanging method for a large full-containment low-temperature storage tank |
| CN106638688A (en) * | 2016-11-16 | 2017-05-10 | 上海建工二建集团有限公司 | Truss closed construction system and construction method thereof |
| CN107313543A (en) * | 2017-07-19 | 2017-11-03 | 上海康富核能机械有限公司 | A kind of round building folding house roof using inside and outside concentric circular tracks |
| CN206987465U (en) * | 2017-06-07 | 2018-02-09 | 中国水利水电第十四工程局有限公司 | A kind of portable simplified construction shed made for hydraulic turbine embedded part |
| CN208363104U (en) * | 2018-05-31 | 2019-01-11 | 中国水利水电第十四工程局有限公司 | A kind of dust-proof shed offline for foundation pit inner stator |
-
2018
- 2018-05-31 CN CN201810556744.XA patent/CN108532610B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU781289A1 (en) * | 1978-12-11 | 1980-11-23 | Горьковский Инженерно-Строительный Институт Им. В.П.Чкалова | Device for erecting domes |
| JPH10220017A (en) * | 1997-02-07 | 1998-08-18 | Taisei Yuso Kk | Construction work auxiliary system |
| CN104074366A (en) * | 2014-06-13 | 2014-10-01 | 长江勘测规划设计研究有限责任公司 | Underground nuclear power plant reactor chamber containment dome installing structure |
| CN204282845U (en) * | 2014-12-04 | 2015-04-22 | 王刚军 | Buildings in cold roof insulating structure |
| CN105952008A (en) * | 2016-05-27 | 2016-09-21 | 中石化宁波工程有限公司 | An elastic felt hanging method for a large full-containment low-temperature storage tank |
| CN106638688A (en) * | 2016-11-16 | 2017-05-10 | 上海建工二建集团有限公司 | Truss closed construction system and construction method thereof |
| CN206987465U (en) * | 2017-06-07 | 2018-02-09 | 中国水利水电第十四工程局有限公司 | A kind of portable simplified construction shed made for hydraulic turbine embedded part |
| CN107313543A (en) * | 2017-07-19 | 2017-11-03 | 上海康富核能机械有限公司 | A kind of round building folding house roof using inside and outside concentric circular tracks |
| CN208363104U (en) * | 2018-05-31 | 2019-01-11 | 中国水利水电第十四工程局有限公司 | A kind of dust-proof shed offline for foundation pit inner stator |
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| Publication number | Publication date |
|---|---|
| CN108532610A (en) | 2018-09-14 |
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