CN107780829A - The separate assembling plastics cat ladder of large-scale inspection shaft - Google Patents
The separate assembling plastics cat ladder of large-scale inspection shaft Download PDFInfo
- Publication number
- CN107780829A CN107780829A CN201711122460.1A CN201711122460A CN107780829A CN 107780829 A CN107780829 A CN 107780829A CN 201711122460 A CN201711122460 A CN 201711122460A CN 107780829 A CN107780829 A CN 107780829A
- Authority
- CN
- China
- Prior art keywords
- gangboard
- main body
- inspection shaft
- cat ladder
- inwall
- 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.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/082—Connections between rungs or treads and longitudinal members
- E06C7/087—Connections between rungs or treads and longitudinal members with a connecting piece installed around the rung
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
- E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The separate assembling plastics cat ladder of large-scale inspection shaft, including inspection shaft body, the inwall connection cat ladder of inspection shaft body, it is characterized in that the inwall of described inspection shaft body is formed with two connecting plates in left and right, protrusive board is formed with connecting plate, the top of protrusive board is formed with hole clipping, the connecting plate connection cat ladder of left and right two, the cat ladder includes gangboard main body, the two trapezoidal handrail grooves in left and right are formed with gangboard main body, the through hole of regular hexagon is evenly equipped with gangboard main body, clamp is formed with left and right sides of gangboard main body, there is neck between clamp and gangboard main body, neck is engaged with protrusive board, elastic card is formed with clamp, elastic card inwall is formed with barb, barb is engaged with the hole clipping on protrusive board.
Description
Technical field
The present invention relates to plastics cat ladder, more particularly to the separate assembling plastics cat ladder of large-scale inspection shaft.
Background technology
The place or straight line that inspection shaft is provided at drainage pipeline intersection, turning, caliber or gradient change, is dropped
Locate at a certain distance on pipeline section, be easy to people to be inspected periodically, clean, the draining auxiliary construction of dredging pipeline.In order to
It is convenient for people to enter in buried pipeline by inspection shaft, cat ladder can be all set in the inwall of inspection shaft, people are climbed to by cat ladder
The bottom of drainpipe, the cat ladder of existing inspection shaft is typically by metal material（Such as iron or steel）By being welded and fused, it is wrapped
The straight-bar of both sides is included, pedal is welded between the straight-bar of both sides, straight-bar is mutually fixed by fasteners such as screws with inspection shaft, the structure
Cat ladder manufacture is complicated, cost is high, it is necessary to change whole cat ladder after being damaged at a certain position, renewal cost is high, and installs, tears open
Unload all cumbersome.
The content of the invention
The shortcomings that the invention aims to overcome prior art to exist, there is provided one kind is easily manufactured, cost is low, respectively steps on
Plate is Split type structure, and renewal cost is low after damage, is installed, the separate assembling plastics cat ladder of the large-scale inspection shaft of convenient disassembly.
The technical scheme of the separate assembling plastics cat ladder of the large-scale inspection shaft of the present invention is：Including inspection shaft body, check
The inwall connection cat ladder of well body, it is characterised in that the inwall of described inspection shaft body is formed with two connecting plates in left and right, even
Protrusive board is formed with fishplate bar, the top of protrusive board is formed with hole clipping, the connecting plate connection cat ladder of left and right two, and the cat ladder includes gangboard master
Body, the two trapezoidal handrail grooves in left and right are formed with gangboard main body, the through hole of regular hexagon are evenly equipped with gangboard main body, in gangboard main body
The left and right sides be formed with clamp, have neck between clamp and gangboard main body, neck is engaged with protrusive board, and elasticity is formed with clamp
Card, elastic card inwall are formed with barb, and barb is engaged with the hole clipping on protrusive board.
The invention discloses a kind of separate assembling plastics cat ladder of large-scale inspection shaft, by inspection made of plastic material
Look into well inner body wall and be formed with two connecting plates in left and right, protrusive board is formed with connecting plate（According to the height of inspection shaft, at a certain distance
The quantity of protrusive board is set）, hole clipping is formed with protrusive board, and trapezoidal handrail groove is formed with gangboard main body, positive six are formed with gangboard main body
The through hole of side shape, the through hole are distributed in gangboard main body, and clamp is formed with the both sides of gangboard main body, elastic card is formed with clamp
Piece, elastic card inwall are formed with barb, and during assembling, the neck of gangboard main body both sides is inserted into two connections of inspection shaft body or so
On the protrusive board of plate, and the hole clipping of the barbs hold protrusive board by clamp inwall, gangboard main body is fixed with connecting plate, dismantle
When, the elastic card of both sides is outwards pulled, barb is deviate from hole clipping, just gangboard main body can be split out.The large-scale inspection shaft of this programme
Separate assembling plastics cat ladder, one, gangboard main body be a single structure, combined with inspection shaft body, it is single when having
When gangboard main body is damaged, single gangboard main body need to be only changed, reduces replacing, maintenance cost；2nd, uniform positive six side in gangboard main body
The through hole of shape, structural strength is high, and saves material, and manufacturing cost is low；3rd, gangboard main body can trample use as pin, work as people
Climb to it is following after, trapezoidal handrail groove above can be used as handrail to use, and function is more, easy to use；4th, gangboard main body and inspection shaft sheet
Installed between body, dismantle it is very convenient, be advantageous to people change, maintenance.
The separate assembling plastics cat ladder of the large-scale inspection shaft of the present invention, described connecting plate inwall are formed with two protrusions up and down
Block, be in contact on front side of block and gangboard main body.There is block, increase the support force to gangboard main body.The gangboard main body
In through hole be discharged into that heel row is stepped to be gradually shortened in the past.When people's pin is stepped down in gangboard main body, the front side of gangboard main body
Withstand on the inwall of inspection shaft body, the stress of front side is bigger, therefore thicker by being done on front side of gangboard main body, and structural support is strong
Degree is high, and rear side gradually does thin, under the premise of structural strength is ensured, can save material, reduction manufacturing cost.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the separate assembling plastics cat ladder of large-scale inspection shaft；
Fig. 2 is the structural representation of the separate assembling plastics cat ladder of large-scale inspection shaft；
Fig. 3 is the schematic perspective view of gangboard main body；
Fig. 4 is the schematic top plan view of gangboard main body；
Fig. 5 is Fig. 4 A-A directions schematic cross-section；
Fig. 6 is Fig. 4 B-B directions schematic cross-section.
Embodiment
The present invention relates to a kind of separate assembling plastics cat ladder of large-scale inspection shaft, as shown in Fig. 1-Fig. 6, including checks
Well body 1, the inwall connection cat ladder of inspection shaft body, it is characterised in that：The inwall of described inspection shaft body 1 is formed with left and right two
Individual connecting plate 2, protrusive board 3 is formed with connecting plate, the top of protrusive board is formed with hole clipping 4, and the connecting plate connection cat ladder of left and right two is described
Cat ladder includes gangboard main body 5, and the two trapezoidal handrail grooves 6 in left and right are formed with gangboard main body, regular hexagon is evenly equipped with gangboard main body
Through hole 7, clamp 8 is formed with the left and right sides of gangboard main body 5, there is neck 12 between clamp and gangboard main body, neck and protrusive board 3
It is engaged, elastic card 9 is formed with clamp, elastic card inwall is formed with barb 10, and barb matches with the hole clipping 4 on protrusive board
Close.By being formed with two connecting plates 2 in left and right in the inwall of inspection shaft body 1 made of plastic material, protrusive board 3 is formed with connecting plate
（According to the quantity of the height of inspection shaft, at a certain distance setting protrusive board）, hole clipping 4 is formed with protrusive board, is formed with gangboard main body 5
Trapezoidal handrail groove 6, the through hole 7 of regular hexagon is formed with gangboard main body, the through hole is distributed in gangboard main body, in gangboard main body
Both sides are formed with clamp 8, are formed with elastic card 9 in clamp, and elastic card inwall is formed with barb 10, during assembling, by 5 liang of gangboard main body
The neck 12 of side is inserted on the protrusive board 3 of 1 or so two connecting plates 2 of inspection shaft body, and is hooked by the barb 10 of the inwall of clamp 8 convex
The hole clipping 4 of plate 3, makes gangboard main body 5 be fixed with connecting plate 2, during dismounting, outwards pulls the elastic card 9 of both sides, makes barb
10 abjection hole clippings 4, just can split out gangboard main body 5.The separate assembling plastics cat ladder of the large-scale inspection shaft of this programme, one, gangboard
Main body 5 is a single structure, is combined with inspection shaft body 1, when there is single gangboard main body to damage, need to only be changed single
Gangboard main body, reduce replacing, maintenance cost；2nd, in gangboard main body 5 uniform regular hexagon through hole 7, structural strength is high, and saves
Material saving, manufacturing cost are low；3rd, gangboard main body can trample use as pin, when people climb to it is following after, trapezoidal handrail above
Groove 6 can be used as handrail to use, and function is more, easy to use；4th, installation, dismounting are very square between gangboard main body 5 and inspection shaft body 1
Just, be advantageous to people to change, repair.The described inwall of connecting plate 2 is formed with the block 11 of upper and lower two protrusions, block and gangboard master
The front side of body 5 is in contact.There is block 11, increase the support force to gangboard main body 5.Through hole 7 in the gangboard main body 5 is from front row
It is gradually shortened toward heel row is stepped.When people's pin is stepped down in gangboard main body 5, inspection shaft body is withstood on front side of gangboard main body
On 1 inwall, the stress of front side is bigger, therefore thicker by being done on front side of gangboard main body, and structural support intensity is high, and rear side by
Gradually do thin, under the premise of structural strength is ensured, material can be saved, reduce manufacturing cost.
Claims (3)
1. the separate assembling plastics cat ladder of large-scale inspection shaft, including inspection shaft body（1）, the inwall of inspection shaft body, which connects, climbs
Ladder, it is characterised in that：Described inspection shaft body（1）Inwall be formed with left and right two connecting plates（2）, it is formed with connecting plate convex
Plate（3）, the top of protrusive board is formed with hole clipping（4）, two connecting plates in left and right connection cat ladder, the cat ladder includes gangboard main body（5）, ladder
The two trapezoidal handrail grooves in left and right are formed with plate main body（6）, the through hole of regular hexagon is evenly equipped with gangboard main body（7）, in gangboard master
Body（5）The left and right sides be formed with clamp（8）, have neck between clamp and gangboard main body（12）, neck and protrusive board（3）It is engaged,
Elastic card is formed with clamp（9）, elastic card inwall is formed with barb（10）, the hole clipping on barb and protrusive board（4）It is engaged.
2. the separate assembling plastics cat ladder of large-scale inspection shaft as claimed in claim 1, it is characterised in that：Described connecting plate
（2）Inwall is formed with the block of upper and lower two protrusions（11）, block and gangboard main body（5）Front side is in contact.
3. the separate assembling plastics cat ladder of large-scale inspection shaft as claimed in claim 1, it is characterised in that：The gangboard main body
（5）In through hole（7）In the past it is discharged into that heel row is stepped to be gradually shortened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711122460.1A CN107780829A (en) | 2017-11-14 | 2017-11-14 | The separate assembling plastics cat ladder of large-scale inspection shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711122460.1A CN107780829A (en) | 2017-11-14 | 2017-11-14 | The separate assembling plastics cat ladder of large-scale inspection shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107780829A true CN107780829A (en) | 2018-03-09 |
Family
ID=61432955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711122460.1A Withdrawn CN107780829A (en) | 2017-11-14 | 2017-11-14 | The separate assembling plastics cat ladder of large-scale inspection shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107780829A (en) |
-
2017
- 2017-11-14 CN CN201711122460.1A patent/CN107780829A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180309 |