CN108412188A - It is a kind of reply arc door it is hanging when upkeep operation operation cat ladder and its manufacturing method - Google Patents
It is a kind of reply arc door it is hanging when upkeep operation operation cat ladder and its manufacturing method Download PDFInfo
- Publication number
- CN108412188A CN108412188A CN201810450667.XA CN201810450667A CN108412188A CN 108412188 A CN108412188 A CN 108412188A CN 201810450667 A CN201810450667 A CN 201810450667A CN 108412188 A CN108412188 A CN 108412188A
- Authority
- CN
- China
- Prior art keywords
- cat ladder
- hanging
- arc door
- reply
- upkeep operation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 241000282326 Felis catus Species 0.000 title claims abstract description 82
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000012423 maintenance Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- 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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/10—Steps or ladders specially adapted for scaffolds
Abstract
Disclose it is a kind of reply arc door it is hanging when upkeep operation operation cat ladder, it greatly improves the execution conditions of arc door upkeep operation when hanging, provide safety guarantee for engineering construction, reliable source is provided for downstream water supply, provide guarantee for hydraulic and hydroelectric engineering safe operation.It is this reply arc door it is hanging when upkeep operation operation cat ladder comprising：Several section cat ladders, operating platform, hanging ring, connecting component；The adjacent cat ladder of two sections is linked together by connecting component, and operating platform is installed on the nearest section cat ladder in distance maintenance position, and hanging ring is fixed on first segment cat ladder and is connected to the top of arc door.Also manufacturing method.
Description
Technical field
The present invention relates to upkeep operations when the technical field of hydraulic engineering maintenance more particularly to a kind of hanging reply arc door
Operate cat ladder.
Background technology
With the rapid development of the national economy, hydraulic engineering is constantly built, application of the arc door in hydraulic engineering increasingly increases
Add.But due to the method for operation of arc door so that arc door door body overhaul and water seal replace construction it is very inconvenient, especially because
To there is flow to be not easy to set up scaffold below arc door, to which arc door overhauls arc door door body and water seal in vacant state, dimension
Shield, the construction replaced bring extreme difficulty, it is seen that it is of crucial importance to create advantageous execution conditions.
Therefore, the reasonable employment of arc door maintenance construction tool is the key that ensure that hydraulic engineering is safely and effectively constructed, there is an urgent need for
A kind of construction tool for the upkeep operation that safe ready can be carried out in arc door vacant state.
Invention content
To overcome the deficiencies of existing technologies, when hanging the technical problem to be solved in the present invention is to provide a kind of reply arc door
The operation cat ladder of upkeep operation, it greatly improves the execution conditions of arc door upkeep operation when hanging, are provided for engineering construction
Safety guarantee provides reliable source for downstream water supply, provides guarantee for hydraulic and hydroelectric engineering safe operation.
The technical scheme is that：It is this reply arc door it is hanging when upkeep operation operation cat ladder comprising：Several sections
Cat ladder, operating platform, hanging ring, connecting component；
The adjacent cat ladder of two sections is linked together by connecting component, and operating platform is installed to nearest apart from maintenance position
On one section cat ladder, hanging ring is fixed on first segment cat ladder and is connected to the top of arc door.
Cat ladder is divided into several sections by the present invention, and hanging ring is fixed on first segment cat ladder and is connected to the top of arc door, and two
Adjacent cat ladder is saved by connecting component to be linked together, operating platform is installed to the nearest section cat ladder in distance maintenance position
On, to substantially increase arc door it is hanging when upkeep operation execution conditions, provide safety guarantee for engineering construction, be downstream
Water supply provides reliable source, provides guarantee for hydraulic and hydroelectric engineering safe operation.
Additionally provide it is a kind of reply arc door it is hanging when upkeep operation operation cat ladder manufacturing method, this method includes following
Step：
(1) cat ladder selected materials and specifications and models are made to cat ladder load requirement, calculating according in work progress；
(2) according to arc door specification and maintenance position, cat ladder length and joint number are determined；
(3) it is required according to constructing operation face, determines the specification and quantity of operating platform.
Description of the drawings
The structural schematic diagram of the operation cat ladder of upkeep operation when Fig. 1 is hanging according to the reply arc door of the present invention.
The left view of the operation cat ladder of upkeep operation when Fig. 2 is hanging according to the reply arc door of the present invention.
Two sections in addition to first segment of the operation cat ladder of upkeep operation when Fig. 3 is hanging according to the reply arc door of the present invention
The structural schematic diagram of cat ladder.
The structural representation of the connecting component of the operation cat ladder of upkeep operation when Fig. 4 is hanging according to the reply arc door of the present invention
Figure.
Specific implementation mode
As shown in Figure 1,3, the operation cat ladder of upkeep operation when this reply arc door is hanging comprising：Several section cat ladders 1,
Operating platform 2, hanging ring 3, connecting component 6；
The adjacent cat ladder of two sections is linked together by connecting component, and operating platform is installed to nearest apart from maintenance position
On one section cat ladder, hanging ring is fixed on first segment cat ladder and is connected to the top of arc door.
Cat ladder is divided into several sections by the present invention, and hanging ring is fixed on first segment cat ladder and is connected to the top of arc door, and two
Adjacent cat ladder is saved by connecting component to be linked together, operating platform is installed to the nearest section cat ladder in distance maintenance position
On, to substantially increase arc door it is hanging when upkeep operation execution conditions, provide safety guarantee for engineering construction, be downstream
Water supply provides reliable source, provides guarantee for hydraulic and hydroelectric engineering safe operation.
Preferably, the connecting component is often saving the upper end of cat ladder in addition to first segment cat ladder, and is connected to previous section
The end of cat ladder.Using such connecting component, the length of cat ladder can be allow to be installed according to actual demand, ensure to apply
Work is convenient, flexible.
Preferably, the connecting component is welded to the upper end of cat ladder.So that connecting component is fixedly mounted on cat ladder.When
It so can also be using other connection types such as rivetings come mounting and connection parts.
Preferably, the connecting component is ring-shaped and has part protrusion, and setting overlap joint mouth 7, preceding near protrusion
The end of one section cat ladder is caught in overlap joint mouth.It, can be more drawing after the previous end for saving cat ladder is caught in overlap joint mouth using such structure
Tightly, ensure that two adjacent sections cat ladder is securely attached together.
Preferably, supporter 4 is set in the lower surface of the cat ladder, by cat ladder surface support on arc door surface.This
Sample can ensure that cat ladder is firm steady in use.
Preferably, lateral safety device 5 is equipped on every section cat ladder.Construction personnel can be made once to encounter operation so flat
Platform fracture etc. extremely special circumstances when, have device that can be captured when hanging, ensure personal safety.
It is directed to the maintenance of arc door door body and water seal in water conservancy projects and replaces construction, create conditions and make for operation surface construction
A kind of cat ladder, we are determined and are climbed using cat ladder, operating platform, hanging ring, supporter, safety device, connecting component parameter
Ladder makes overall specifications and obtains cat ladder total length and joint number using the relationship of above six factors and arc door specification, utilize construction
The requirement in face determines the specification of operating platform, and cat ladder, supporter, hanging ring and connecting component are determined using work progress load requirement
Material therefor specification, to ensure the safety of cat ladder quality and construction.The present invention also provides examined when a kind of reply arc door is hanging
The manufacturing method of the operation cat ladder of operation is repaiied, this approach includes the following steps：
(1) cat ladder selected materials and specifications and models are made to cat ladder load requirement, calculating according in work progress；
(2) according to arc door specification and maintenance position, cat ladder length and joint number are determined；
(3) it is required according to constructing operation face, determines the specification and quantity of operating platform.
Preferably, the steel area diameter of the cat ladder is obtained by formula (1)
Wherein F is load, and θ is loading position to the central angle on top, PIt drawsFor Steel Bar Tensile Strength, D >=10mm.
Preferably, the steel area diameter of the supporter is obtained by formula (2)
Wherein F is load, and θ is loading position to the central angle on top, PPressureFor reinforcing bar compression strength, D >=10mm.
Preferably, the steel area diameter of the lateral safety device is obtained by formula (3)
Wherein F is load, and L is the length of lateral safety device, D >=10mm.
Regular reinforcement strength calculations are as shown in table 1.
Table 1
| Serial number | The trade mark | PPressure | PIt draws |
| 1 | HPB300 | 270 | 270 |
| 2 | HRB335、HRBF335 | 300 | 300 |
| 3 | HRB400、HRBF400、RRB400 | 360 | 360 |
| 4 | HRB500、HRBF500 | 435 | 435 |
The above is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, it is every according to
According to the technical spirit of the present invention to any simple modification, equivalent change and modification made by above example, still belong to the present invention
The protection domain of technical solution.
Claims (10)
1. it is a kind of reply arc door it is hanging when upkeep operation operation cat ladder, which is characterized in that it includes：Several section cat ladders (1), behaviour
Make platform (2), hanging ring (3), connecting component (6)；
The adjacent cat ladder of two sections is linked together by connecting component, and operating platform is installed to the nearest section in distance maintenance position
On cat ladder, hanging ring is fixed on first segment cat ladder and is connected to the top of arc door.
2. it is according to claim 1 reply arc door it is hanging when upkeep operation operation cat ladder, which is characterized in that the connection
Component is often saving the upper end of cat ladder in addition to first segment cat ladder, and is connected to the end of previous section cat ladder.
3. it is according to claim 2 reply arc door it is hanging when upkeep operation operation cat ladder, which is characterized in that the connection
Component is welded to the upper end of cat ladder.
4. it is according to claim 3 reply arc door it is hanging when upkeep operation operation cat ladder, which is characterized in that the connection
Component is ring-shaped and has part protrusion, the setting overlap joint mouth (7) near protrusion, and the end of previous section cat ladder is caught in overlap joint
Mouthful.
5. according to the operation cat ladder of any one of them of claim 1-4 reply arc door upkeep operation when hanging, feature exists
In in the lower surface of cat ladder setting supporter (4), by cat ladder surface support on arc door surface.
6. it is according to claim 5 reply arc door it is hanging when upkeep operation operation cat ladder, which is characterized in that it is every section climb
Ladder is equipped with lateral safety device (5).
7. it is a kind of reply arc door it is hanging when upkeep operation operation cat ladder manufacturing method, which is characterized in that this method include with
Lower step：
(1) cat ladder selected materials and specifications and models are made to cat ladder load requirement, calculating according in work progress；
(2) according to arc door specification and maintenance position, cat ladder length and joint number are determined；
(3) it is required according to constructing operation face, determines the specification and quantity of operating platform.
The manufacturing method of the operation cat ladder of upkeep operation when 8. reply arc door according to claim 7 is hanging, feature exists
In the steel area diameter of the cat ladder is obtained by formula (1)
Wherein F is load, and θ is loading position to the central angle on top, PIt drawsFor Steel Bar Tensile Strength, D >=10mm.
The manufacturing method of the operation cat ladder of upkeep operation when 9. reply arc door according to claim 8 is hanging, feature exists
In the steel area diameter of the supporter is obtained by formula (2)
Wherein F is load, and θ is loading position to the central angle on top, PPressureFor reinforcing bar compression strength, D >=10mm.
The manufacturing method of the operation cat ladder of upkeep operation when 10. reply arc door according to claim 9 is hanging, feature exists
In the steel area diameter of the transverse direction safety device is obtained by formula (3)
Wherein F is load, and L is the length of lateral safety device, D >=10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810450667.XA CN108412188A (en) | 2018-05-11 | 2018-05-11 | It is a kind of reply arc door it is hanging when upkeep operation operation cat ladder and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810450667.XA CN108412188A (en) | 2018-05-11 | 2018-05-11 | It is a kind of reply arc door it is hanging when upkeep operation operation cat ladder and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108412188A true CN108412188A (en) | 2018-08-17 |
Family
ID=63139003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810450667.XA Pending CN108412188A (en) | 2018-05-11 | 2018-05-11 | It is a kind of reply arc door it is hanging when upkeep operation operation cat ladder and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108412188A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2077836A (en) * | 1980-06-03 | 1981-12-23 | Lyte Ind Ltd | Ladder |
| CN104314458A (en) * | 2014-09-06 | 2015-01-28 | 吴双双 | Inner buckle type hanging ladder |
| CN205172410U (en) * | 2015-10-28 | 2016-04-20 | 苏州天沃科技股份有限公司 | A combination cat ladder for welding large -scale convex head |
| CN107724945A (en) * | 2017-09-30 | 2018-02-23 | 中广核研究院有限公司 | Combine cat ladder |
| CN209261206U (en) * | 2018-05-11 | 2019-08-16 | 国家电网公司 | It is a kind of reply arc door it is hanging when upkeep operation operation ladder |
-
2018
- 2018-05-11 CN CN201810450667.XA patent/CN108412188A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2077836A (en) * | 1980-06-03 | 1981-12-23 | Lyte Ind Ltd | Ladder |
| CN104314458A (en) * | 2014-09-06 | 2015-01-28 | 吴双双 | Inner buckle type hanging ladder |
| CN205172410U (en) * | 2015-10-28 | 2016-04-20 | 苏州天沃科技股份有限公司 | A combination cat ladder for welding large -scale convex head |
| CN107724945A (en) * | 2017-09-30 | 2018-02-23 | 中广核研究院有限公司 | Combine cat ladder |
| CN209261206U (en) * | 2018-05-11 | 2019-08-16 | 国家电网公司 | It is a kind of reply arc door it is hanging when upkeep operation operation ladder |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180817 |