CN207177720U - A kind of transformer neutral point parapet cat ladder - Google Patents
A kind of transformer neutral point parapet cat ladder Download PDFInfo
- Publication number
- CN207177720U CN207177720U CN201721195176.2U CN201721195176U CN207177720U CN 207177720 U CN207177720 U CN 207177720U CN 201721195176 U CN201721195176 U CN 201721195176U CN 207177720 U CN207177720 U CN 207177720U
- Authority
- CN
- China
- Prior art keywords
- terraced portion
- cat ladder
- parapet
- neutral point
- terraced
- 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.)
- Expired - Fee Related
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Abstract
A kind of transformer neutral point parapet cat ladder, including fixed cat ladder, folding climbing ladder and top platform；The fixed cat ladder includes the first terraced portion and fixed support；The folding climbing ladder includes the second terraced portion, and the second terraced portion is connected by bearing with the first terraced portion, and the first terraced portion, the second terraced portion are provided with the locking mechanism to cooperate, and locking mechanism completes the second terraced portion to first terraced portion's folding locking；The top platform includes antiskid plate, and antiskid plate both sides are provided with handrail.A kind of transformer neutral point parapet cat ladder provided by the utility model, by setting foldable fixable parapet cat ladder, ensure that job safety is reliable.
Description
Technical field
The utility model is related to cat ladder, especially transformer neutral point device it is disconnected draw again and high-potting work one
Kind transformer neutral point parapet cat ladder.
Background technology
In pipe of reinforced concrete at Three Gorges Power Station main transformer according to maintenance procedure, need to carry out preventive trial, or other check mans every year
Make, the connection for neutral point needs again to draw through normal off, because pipe of reinforced concrete at Three Gorges Power Station neutrality point device is arranged on 3 ~ 4 meters of high parapets
On, or usual staff, which is climbed to from neutral reactor on parapet, walks one section, or cat ladder is set up on reactor, by
It is limited in neutral reactor headroom, set cat ladder easily to slide, it is also possible to damage porcelain vase at the top of neutral reactor.Together
When, this scaling mode is very dangerous, and staff easily slips during climbing, when being operated on parapet only
Supported by both feet station on very narrow wall, once do not notice that easily height falls in the air.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of transformer neutral point parapet cat ladder, can ensure to become
It is safe and reliable on depressor neutral point parapet, while avoid damaging equipment.
In order to solve the above technical problems, technical scheme is used by the utility model：
A kind of transformer neutral point parapet cat ladder, including fixed cat ladder, folding climbing ladder and top platform；The fixed cat ladder
Including the first terraced portion and fixed support；The folding climbing ladder includes the second terraced portion, and the second terraced portion is connected by bearing and the first terraced portion
Connect, the first terraced portion, the second terraced portion are provided with the locking mechanism to cooperate, and locking mechanism is completed the second terraced portion and rolled over to the first terraced portion
Folded locking；The top platform includes antiskid plate, and antiskid plate both sides are provided with handrail.
Fixed cat ladder, folding climbing ladder and the top platform are made of light aluminum alloy.
The locking mechanism includes the deck for being arranged on the first terraced portion both sides, and corresponding second terraced portion is provided with card column, deck
It is fixed with card column with merga pass lock.
Locking mechanism includes deck, card column, deck or so is provided with horizontal neck, centre is provided with vertical clamping slot, corresponding card
Post or so is provided with grab, centre is hinged with contiguous block, and elastic clamping block, elastic clamping block and the hole card on deck are provided with contiguous block
Connect.
A kind of transformer neutral point parapet cat ladder of the utility model, by setting fixed cat ladder, folding climbing ladder on parapet
And top platform, it is not necessary to when climbing, can be locked with folding climbing ladder, prevent personnel from climbing by mistake, ensured that terraced body is fixed during climbing, avoid
Slide and damage porcelain vase at the top of neutral reactor, and falling from high altitude can be then avoided when wall top works.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is left view of the present utility model.
Fig. 2 is front view of the present utility model.
Fig. 3 is the schematic diagram of deck in the utility model（Second）.
Fig. 4 is the schematic diagram of locking mechanism in the utility model（Second）.
Fig. 5 is the schematic diagram of elastic clamping block in the utility model（Second）.
In figure：Fixed cat ladder 1, folding climbing ladder 2, top platform 3, fixed support 4, bearing 5, locking mechanism 6, antiskid plate 7,
Handrail 8, the first terraced portion 9, the second terraced portion 10, horizontal neck 11, vertical clamping slot 12, grab 13, contiguous block 14, elastic clamping block 15,
Hole 16.
Embodiment
As shown in Figure 1-2, a kind of transformer neutral point parapet cat ladder, it is one and is above carried installed in transformer neutral point parapet
For the safety climbing ladder of service aisle, cat ladder includes fixed cat ladder 1, folding climbing ladder 2 and the three parts of top platform 3, the fixed profit of cat ladder 1
It is fixed on steel construction fixed support 4 on parapet, the first terraced portion 9 made of light aluminum alloy is provided with fixed support 4, the
One terraced portion 9 provides climbing passage.Folding climbing ladder 2 includes the second terraced portion 10, the second terraced portion 10 made of light aluminum alloy and passed through
Bearing 5 is connected with the first terraced portion 9, realizes turnover folding, and the lock to cooperate is provided with the first terraced portion 9, the second terraced portion 10
Determine mechanism 6, locking mechanism 6 completes the second terraced portion 10 to the first terraced folding locking of portion 9, can so prevent personnel from stepping on by mistake.In fixation
The place that the top of cat ladder 1 contacts with parapet top surface is provided with top platform 3, and the top platform 3 includes antiskid plate 7, and antiskid plate 7 is adopted
It is made of anti-skidding aluminium alloy, the personnel to work here provide supporting and space, and are provided with handrail 8, prevent personal height from falling
Fall.
Locking mechanism 6 herein can be locked using in general lockset, it is thus only necessary to set card in the first terraced both sides of portion 9
Seat, and card column is provided with the second terraced portion 10, deck is entered after through hole and the positioning that can cooperate are carried with card column by lockset
Row locking, pulls out key.
As in Figure 3-5, another locking mechanism 6 sets deck, card column in same position, by being set in deck or so
There are horizontal neck 11, the middle vertical clamping slot 12, corresponding card column or so that is provided with to be hinged with contiguous block 14 provided with grab 13, centre.
During installation, horizontal neck 11 is connected with grab 13, and contiguous block 14 is placed in vertical clamping slot 12 just.Connected by rotating
Block 14 is connect, elastic clamping block 15 in contiguous block 14 is pressed elastic clamping block 15, elastic clamping block 15 is snapped onto on deck straight down
Hole 16 in lock.Such structure is simple and convenient without bitting.
Claims (4)
- A kind of 1. transformer neutral point parapet cat ladder, it is characterised in that：Including fixed cat ladder（1）, folding climbing ladder（2）And top horizontal Platform（3）；The fixed cat ladder（1）Including the first terraced portion（9）And fixed support（4）；The folding climbing ladder（2）Including the second terraced portion （10）, the second terraced portion（10）Pass through bearing（5）With the first terraced portion（9）Connection, the first terraced portion（9）, the second terraced portion（10）It is provided with The locking mechanism of mutual cooperation（6）, locking mechanism（6）Complete the second terraced portion（10）To the first terraced portion（9）Folding locking；The top Portion's platform（3）Including antiskid plate（7）, antiskid plate（7）Both sides are provided with handrail（8）.
- A kind of 2. transformer neutral point parapet cat ladder according to claim 1, it is characterised in that：The fixed cat ladder（1）、 Folding climbing ladder（2）And top platform（3）It is made of light aluminum alloy.
- A kind of 3. transformer neutral point parapet cat ladder according to claim 1, it is characterised in that：The locking mechanism（6） Including being arranged on the first terraced portion（9）The deck of both sides, corresponding second terraced portion（10）Card column is provided with, deck is logical with merging with card column Lock is crossed to be fixed.
- A kind of 4. transformer neutral point parapet cat ladder according to claim 1, it is characterised in that：The locking mechanism（6） Horizontal neck is provided with including deck, card column, deck or so（11）, middle be provided with vertical clamping slot（12）, corresponding card column or so sets There is grab（13）, centre be hinged with contiguous block（14）, contiguous block（14）It is interior to be provided with elastic clamping block（15）, elastic clamping block（15）With card Hole on seat（16）Clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721195176.2U CN207177720U (en) | 2017-09-18 | 2017-09-18 | A kind of transformer neutral point parapet cat ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721195176.2U CN207177720U (en) | 2017-09-18 | 2017-09-18 | A kind of transformer neutral point parapet cat ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207177720U true CN207177720U (en) | 2018-04-03 |
Family
ID=61747760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721195176.2U Expired - Fee Related CN207177720U (en) | 2017-09-18 | 2017-09-18 | A kind of transformer neutral point parapet cat ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207177720U (en) |
-
2017
- 2017-09-18 CN CN201721195176.2U patent/CN207177720U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180403 Termination date: 20210918 |