CN203964792U - A kind of lift protection canopy for subway vertical shaft blast working - Google Patents
A kind of lift protection canopy for subway vertical shaft blast working Download PDFInfo
- Publication number
- CN203964792U CN203964792U CN201420402964.4U CN201420402964U CN203964792U CN 203964792 U CN203964792 U CN 203964792U CN 201420402964 U CN201420402964 U CN 201420402964U CN 203964792 U CN203964792 U CN 203964792U
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- canopy
- protection canopy
- subway
- fixed pulley
- vertical shaft
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Abstract
For a lift protection canopy for subway vertical shaft blast working, comprise the protection canopy canopy body that is covered in subway pit mouth end; One side of protection canopy canopy body is articulated with on subway pit mouth collar tie beam around, and the collar tie beam of the hinged side of protection canopy canopy body is provided with fixed pulley bracing frame; Fixed pulley bracing frame is formed by connecting by vertical supporting bar and transverse support bar, is fixed with fixed pulley in transverse support bar; The below of fixed pulley bracing frame is provided with hoist engine, and the steel cable of hoist engine is fixedly connected with the stressed truss of described hinged side offside by fixed pulley.The utility model is simple in structure, at one end hinged by protection canopy canopy body and collar tie beam, makes protection canopy canopy body in the folding up and down of pit mouth end, coordinates the utilization of fixed pulley operation principle, realizes the folding control to protection canopy canopy body; In addition to the consolidation process on the stressed truss structure of protection canopy canopy body and the improvement to isolating and protecting layer, increased the steadiness of protection canopy canopy body entirety.Make it fully meet the demand of vertical shaft blast working.
Description
Technical field
The utility model relates to a kind of servicing unit of subway vertical shaft blast working, especially a kind of lift protection canopy for subway vertical shaft blast working.
Background technology
Along with the continuous expansion of the further quickening of Urbanization in China and urban construction speed and scale, each metropolitan traffic pressure is also increasing, and therefore building subway becomes the essential means of alleviating urban traffic pressure gradually.In order to reduce the impact near resident's normal life, large more options tunneling construction, this just must relate to To Construction of Silo, need to carry out bursting work, and the most every cyclic advance of To Construction of Silo is between 0.5 meter-1 meter in To Construction of Silo process in the time running into rock.Traditional protection canopy just covers on vertical shaft well head, while needing opening and closing protection canopy along with every cyclic advance of vertical shaft, can only realize by protection canopy is carried out to constantly dismounting, time-consuming, and in disassembly process, there is larger potential safety hazard in workman.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, easy to operate, safety and firmness and avoids protection canopy to carry out the lift protection canopy for subway vertical shaft blast working of dismounting.
The utility model solves the technical scheme that prior art problem adopts: a kind of lift protection canopy for subway vertical shaft blast working, comprise the protection canopy canopy body that is covered in subway pit mouth end, described protection canopy canopy body comprises stressed truss and is fixed on the isolating and protecting layer of stressed truss top; One side of protection canopy canopy body is articulated with on subway pit mouth collar tie beam around, and the collar tie beam of the hinged side of protection canopy canopy body is provided with fixed pulley bracing frame; Described fixed pulley bracing frame is formed by connecting by vertical supporting bar and transverse support bar, in described transverse support bar, is fixed with fixed pulley; The below of described fixed pulley bracing frame is provided with hoist engine, and the steel cable of hoist engine is fixedly connected with the stressed truss of described hinged side offside by described fixed pulley.
Described stressed truss is the rectangular frame being surrounded by stressed steel pipe, is provided with center welded plate in the center of described rectangular frame, and the described center welded plate respectively mid point on four jiaos of Ji Ge limits by reinforcing steel pipe and described rectangular frame is welded and fixed.
The center of the described center welded plate respectively mid point on four jiaos of Ji Ge limits by reinforcing steel pipe and described rectangular frame is welded and fixed, and the reinforcing steel pipe and the center welded plate that contact with described center welded plate are welded and fixed.
Described isolating and protecting layer comprises bamboo basketry layer, straw screen or mat layer and Sound-proof material layer, and bamboo basketry layer, straw screen or mat layer and Sound-proof material layer are located on described stressed truss successively, and is fixed together by binding piece and described stressed truss.
Each edge lengths of described stressed truss is greater than the each edge lengths 20cm of subway pit mouth.
In the time that described protection canopy canopy body is vertical with pit mouth, the distance of described crossbeam and protection canopy canopy body peak is greater than 1m.
The beneficial effects of the utility model are: the utility model is simple in structure, at one end hinged by protection canopy canopy body and collar tie beam, make protection canopy canopy body in the folding up and down of pit mouth end, coordinate the utilization of fixed pulley operation principle, realize the folding control to protection canopy canopy body; In addition to the consolidation process on the stressed truss structure of protection canopy canopy body and the improvement to isolating and protecting layer, shock wave, the slungshot etc. of the steadiness that has increased protection canopy canopy body entirety when guaranteeing explosion is isolated in anti-being packed under canopy body, reaches the effect of sound insulation and noise reduction simultaneously.Make it fully meet the demand of vertical shaft blast working.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is stressed truss structure schematic diagram of the present utility model.
Fig. 3 is the structural representation of the utility model protection canopy canopy body.
In figure: 1-protection canopy canopy body, the stressed truss of 2-, 3-collar tie beam, 4-transverse support bar, 5-vertical supporting bar, 6-fixed pulley, 7-hoist engine, 8-steel cable, the stressed steel pipe of 9-, 10-center welded plate, 11-reinforce steel pipe, 12-bamboo basketry layer, 13-straw screen or mat layer, 14-Sound-proof material layer, 15-articulated elements, 16-binding piece.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the utility model is described:
Fig. 1 is the structural representation of a kind of lift protection canopy for subway vertical shaft blast working of the utility model.For a lift protection canopy for subway vertical shaft blast working, comprise the protection canopy canopy body 1 that is covered in subway pit mouth end, protection canopy canopy body 1 comprises the stressed truss 2 being surrounded by stressed steel pipe 9 and the isolating and protecting layer that is fixed on stressed truss 2 tops; One side of protection canopy canopy body 1 is articulated with on subway pit mouth collar tie beam 3 around by the articulated elements such as hinge 15, and guarantees that protection canopy canopy body 1 can freely rotate along articulated elements 15.The collar tie beam 3 of the hinged side of protection canopy canopy body 1 is provided with fixed pulley bracing frame; Fixed pulley bracing frame is specifically formed by connecting by two vertical supporting bars 5 and transverse support bar 4, is fixed with fixed pulley 6 in transverse support bar 4; The below of fixed pulley bracing frame is provided with hoist engine 7, and the steel cable 8 of hoist engine 7 is fixedly connected with stressed steel pipe 9 places of the stressed truss 2 of hinged side offside by fixed pulley 6.
Fig. 2 is stressed truss structure schematic diagram of the present utility model.Stressed truss 2 is the rectangular frames that surrounded by stressed steel pipe 9, the preferred diameter 42mm of stressed steel pipe 9, wall thickness 3.2mm.Be provided with center welded plate 10 in the center of rectangular frame, center welded plate 10 is welded and fixed with the mid point on four jiaos of Ji Ge limits of rectangular frame by reinforcing steel pipe 11 respectively.
In order to strengthen the steadiness of stressed truss 2, closer, welded plate 10 center, center is welded and fixed with the mid point on four jiaos of Ji Ge limits of rectangular frame by reinforcing steel pipe 11 respectively, and the reinforcing steel pipe 11Yu center welded plate 10 that Qie Shiyu center welded plate 10 contacts is welded and fixed.
Fig. 3 is the structural representation of the utility model protection canopy canopy body.Protection canopy canopy body 1 comprises stressed truss 2 and isolating and protecting layer, wherein, isolating and protecting layer comprises that bamboo basketry layer 12, thickness are straw screen or mat layer 13 and the Sound-proof material layer 14 of 5cm left and right, bamboo basketry layer 12, straw screen or mat layer 13 and Sound-proof material layer 14 are located on stressed truss 2 successively, and by binding piece 16(as iron wire) be fixed together with stressed truss 2 colligations.For reaching good occlusion effect, each edge lengths of stressed truss 2 is preferably greater than the each edge lengths 20cm of subway pit mouth.
In order to reach good lifting effect, when protection canopy canopy body 1 is positioned at when vertical with pit mouth, transverse support bar 4 is preferably greater than 1m with the distance of protection canopy canopy body 1 peak.
Of the present utility model simple to operate, only need to control hoist engine 7 by the convergent-divergent of steel cable 8, reach and control the effect of protection canopy canopy body 1 around pit mouth one side lifting, thereby reach the object of folding protection canopy at any time.And do not need protection canopy canopy body 1 to dismantle, vertical shaft slag tap or normal construction process in, protection canopy is opened 1 lifting of protection canopy canopy body to be positioned at pit mouth side by steel cable 8 convergent-divergents of controlling hoist engine, guarantees vertical shaft normal construction, reaches the object that improves efficiency of construction.Thereby exempt the shortcoming of frequent dismounting protection canopy in prior art.
Above content is in conjunction with concrete optimal technical scheme further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (6)
1. for a lift protection canopy for subway vertical shaft blast working, comprise the protection canopy canopy body that is covered in subway pit mouth end, described protection canopy canopy body comprises stressed truss and is fixed on the isolating and protecting layer of stressed truss top; It is characterized in that, a side of protection canopy canopy body is articulated with on subway pit mouth collar tie beam around, and the collar tie beam of the hinged side of protection canopy canopy body is provided with fixed pulley bracing frame; Described fixed pulley bracing frame is formed by connecting by vertical supporting bar and transverse support bar, in described transverse support bar, is fixed with fixed pulley; The below of described fixed pulley bracing frame is provided with hoist engine, and the steel cable of hoist engine is fixedly connected with the stressed truss of described hinged side offside by described fixed pulley.
2. a kind of lift protection canopy for subway vertical shaft blast working according to claim 1, it is characterized in that, described stressed truss is the rectangular frame being surrounded by stressed steel pipe, be provided with center welded plate in the center of described rectangular frame, the described center welded plate respectively mid point on four jiaos of Ji Ge limits by reinforcing steel pipe and described rectangular frame is welded and fixed.
3. a kind of lift protection canopy for subway vertical shaft blast working according to claim 2, it is characterized in that, the center of the described center welded plate respectively mid point on four jiaos of Ji Ge limits by reinforcing steel pipe and described rectangular frame is welded and fixed, and the reinforcing steel pipe and the center welded plate that contact with described center welded plate are welded and fixed.
4. a kind of lift protection canopy for subway vertical shaft blast working according to claim 1, it is characterized in that, described isolating and protecting layer comprises bamboo basketry layer, straw screen or mat layer and Sound-proof material layer, bamboo basketry layer, straw screen or mat layer and Sound-proof material layer are located on described stressed truss successively, and are fixed together by binding piece and described stressed truss.
5. a kind of lift protection canopy for subway vertical shaft blast working according to claim 1, is characterized in that, each edge lengths of described stressed truss is greater than the each edge lengths 20cm of subway pit mouth.
6. a kind of lift protection canopy for subway vertical shaft blast working according to claim 1, is characterized in that, in the time that described protection canopy canopy body is vertical with pit mouth, the distance of described crossbeam and protection canopy canopy body peak is greater than 1m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420402964.4U CN203964792U (en) | 2014-07-22 | 2014-07-22 | A kind of lift protection canopy for subway vertical shaft blast working |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420402964.4U CN203964792U (en) | 2014-07-22 | 2014-07-22 | A kind of lift protection canopy for subway vertical shaft blast working |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203964792U true CN203964792U (en) | 2014-11-26 |
Family
ID=51925361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420402964.4U Expired - Fee Related CN203964792U (en) | 2014-07-22 | 2014-07-22 | A kind of lift protection canopy for subway vertical shaft blast working |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203964792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782211A (en) * | 2017-12-10 | 2018-03-09 | 贵州大学 | A kind of colliery blasting protective shelter for preventing that rubble from impacting |
-
2014
- 2014-07-22 CN CN201420402964.4U patent/CN203964792U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782211A (en) * | 2017-12-10 | 2018-03-09 | 贵州大学 | A kind of colliery blasting protective shelter for preventing that rubble from impacting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20170722 |