CN106185517B - A kind of extension ladder guardrail - Google Patents
A kind of extension ladder guardrail Download PDFInfo
- Publication number
- CN106185517B CN106185517B CN201610816910.6A CN201610816910A CN106185517B CN 106185517 B CN106185517 B CN 106185517B CN 201610816910 A CN201610816910 A CN 201610816910A CN 106185517 B CN106185517 B CN 106185517B
- Authority
- CN
- China
- Prior art keywords
- cross bar
- segment
- movable
- bar
- limited rack
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
Abstract
The present invention relates to elevator technology field, especially a kind of extension ladder guardrail；Protective fence ontology is made of four independent protective fences, protective fence includes fixed transverse rod and movable cross bar, pass through fixed vertical bar connection between fixed transverse rod and movable cross bar, several movable vertical bars are also connected between fixed vertical bar, fixed transverse rod includes first segment cross bar and second segment cross bar, it is connected with lengthening cross bar between first segment cross bar and second segment cross bar, respectively there is a cavity in the inside of first segment cross bar and second segment cross bar, and the outer diameter for lengthening cross bar is consistent with the inner diameter size of cavity；The both ends for lengthening cross bar have one section of external screw thread, first segment cross bar and second segment cross bar and the connecting pin for lengthening cross bar respectively to have one section of internal screw thread respectively；It when needing to lengthen the length of fixed transverse rod, is moved in the cavity of fixed transverse rod by lengthening cross bar, is then fixed between first segment cross bar and second segment cross bar by external screw thread and internal screw thread by cross bar is lengthened, using more convenient, connection is more stable.
Description
Technical field
The present invention relates to elevator technology field, especially a kind of extension ladder guardrail.
Background technique
Elevator is more and more important in people's daily life, in order to avoid when installing or overhauling elevator, operator falls
Enter hoistway, is indicated in " elevator manufacture and installation safety standard ": when overhauling trapdoor unlatching, should prevent personnel from falling
Measure, computer room ground level is different and when differing by more than 0.5m, terraced building or step should be arranged, and guardrail is arranged.Car top prevention
Guardrail is mounted in a kind of protective device above car top, mainly to prevent maintenance staff from crashing into hoistway in car top work,
Current guard bar structure is complicated, is not easy to install and overhaul, but also there are manufacture craft, installation process complexity, higher costs
And most of safety is not applied for away from exceeded or low overhead elevator shaft, and be unsatisfactory for the technology of national standard
Problem.
Summary of the invention
A kind of the object of the present invention is to provide mounting process flexible elevator guardrail simple, applied widely.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
A kind of extension ladder guardrail, it is described anti-including protective fence ontology and the safety caging device being connect with protective fence ontology
Guardrail ontology is made of four independent protective fences, and the protective fence includes fixed transverse rod and movable cross bar, fixed transverse rod and work
It by fixed vertical bar connection between dynamic cross bar, fixes between vertical bar and is also connected with several movable vertical bars, the fixed transverse rod includes
First segment cross bar and second segment cross bar, are connected with lengthening cross bar between first segment cross bar and second segment cross bar, the first segment is horizontal
Respectively there is a cavity in the inside of bar and second segment cross bar, lengthen cross bar and be mounted in cavity, lengthens the outer diameter and cavity of cross bar
Inner diameter size is consistent；The both ends for lengthening cross bar have one section of external screw thread, first segment cross bar and second segment cross bar respectively and lengthen
Respectively there is one section of internal screw thread in the connecting pin of cross bar；
It is connected with vertical bar fixing sleeve on the fixed transverse rod, is connected through a screw thread between vertical bar fixing sleeve and movable vertical bar；
Safety caging device is connected between the fixed transverse rod and movable cross bar, the safety caging device includes limit
Frame is connected with limit sensors on the position-limited rack, and limit sensors include mounting seat and stop collar, are equipped on stop collar
Fixed lid, the fixed lid are connect by screw thread with mounting seat.
Preferably, the movable cross bar includes the first movable cross bar and the second movable cross bar, has work on the fixed vertical bar
Dynamic cross bar connector sleeve, the first movable cross bar and the second movable cross bar are mounted in movable cross bar connector sleeve.
Preferably, the position-limited rack includes the first position-limited rack and the second position-limited rack, and first position-limited rack and second limit
Lantern ring is connected separately on frame, the both ends of the mounting seat are connected with hook.
Preferably, it is provided with the first link slot and the second link slot on first position-limited rack and the second position-limited rack, it is described
The position consistency of the position of first link slot and the second link slot and the first movable cross bar and the second movable cross bar.
Preferably, first link slot and the second link slot are in J-type.
Preferably, it is connected between adjacent protective fence by retaining ring in four independent protective fences.
It is using the beneficial effect of technical solution of the present invention:
Extension ladder guardrail of the invention is connected with safety caging device, safe spacing between fixed transverse rod and movable cross bar
Device includes position-limited rack, and limit sensors are connected on position-limited rack, and limit sensors include mounting seat and stop collar, stop collar
On fixed lid is installed, fixed lid being connect by screw thread with mounting seat；By the way that safety caging device is arranged, can be stretched using guardrail
Shrinking structure enables extension ladder guardrail to guarantee not interfering with elevator shaft overhead in actual motion, and is needing
Also it can play the role of security protection when maintenance, meet national standard, in addition can also save unilateral well space.
Respectively there is a cavity in the inside of first segment cross bar and second segment cross bar, lengthens cross bar and is mounted in cavity, lengthens horizontal
The outer diameter of bar and the inner diameter size of cavity are consistent；There are one section of external screw thread, first segment cross bar and second in the both ends for lengthening cross bar respectively
Respectively there are one section of internal screw thread in section cross bar and the connecting pin for lengthening cross bar；When needing to lengthen the length of fixed transverse rod, by lengthening cross bar
It is moved in the cavity of fixed transverse rod, first segment cross bar and second is then fixed on for cross bar is lengthened by external screw thread and internal screw thread
Between section cross bar, using more convenient, connect more stable.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of fixed transverse rod of the invention.
In figure: 1 fixed transverse rod, 2 fixed vertical bars, 3 movable vertical bars, 4 first segment cross bars, 5 second segment cross bars, 6 lengthen cross bar,
7 vertical bar fixing sleeves, 8 limit sensors, 9 first movable cross bars, 10 second movable cross bars, 11 movable cross bar connector sleeves, 12 first
Position-limited rack, 13 second position-limited racks.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As depicted in figs. 1 and 2, a kind of extension ladder guardrail, including protective fence ontology and the safety being connect with protective fence ontology
Limiting device, protective fence ontology are made of four independent protective fences, and protective fence includes fixed transverse rod 1 and movable cross bar, are fixed
It is connected between cross bar 1 and movable cross bar by fixed vertical bar 2, the structure design of fixed transverse rod 1 and movable cross bar improves protection
The bonding strength on column, improves the safety of use, and several movable vertical bars 3, fixed transverse rod 1 are also connected between fixed vertical bar 2
It including first segment cross bar 4 and second segment cross bar 5, is connected between first segment cross bar 4 and second segment cross bar 5 and lengthens cross bar 6, lengthened
The structure of cross bar 6 designs, and can adjust the length of fixed transverse rod according to the actual situation, using more convenient, first segment cross bar 4 and the
Respectively there is a cavity in the inside of two sections of cross bars 5, lengthens cross bar 6 and is mounted in cavity, lengthens the outer diameter of cross bar 6 and the internal diameter of cavity
It is in the same size；The both ends for lengthening cross bar 6 have one section of external screw thread, first segment cross bar 4 and second segment cross bar 5 respectively and lengthen cross bar 6
Connecting pin respectively have one section of internal screw thread；When needing to lengthen the length of fixed transverse rod, by lengthening cross bar 6 in the cavity of fixed transverse rod
Then interior movement is fixed on cross bar is lengthened between first segment cross bar 4 and second segment cross bar 5 by external screw thread and internal screw thread, is made
With more convenient, connect it is more stable,
It is connected with vertical bar fixing sleeve 7 on fixed transverse rod 1, is connected through a screw thread between vertical bar fixing sleeve 7 and movable vertical bar 3；
It is connected between fixed transverse rod 1 and movable vertical bar 3 by vertical bar fixing sleeve 7, using more convenient, it is solid that movable vertical bar 3 is fixed on vertical bar
Surely it in set 7, installs more stable；
It is connected with safety caging device between fixed transverse rod 1 and movable cross bar, safety caging device includes position-limited rack, limit
Limit sensors 8 are connected on frame, limit sensors 8 include mounting seat and stop collar, fixed lid is installed on stop collar, Gu
Fixed lid is connect by screw thread with mounting seat；By the way that safety caging device is arranged, using guardrail retractable structure, so that extension ladder
Guardrail can guarantee not interfering with elevator shaft overhead in actual motion, and safety can be also played when needing to overhaul
The effect of protection meets national standard, in addition can also save unilateral well space；
Movable cross bar in the present invention includes the first movable cross bar 9 and the second movable cross bar 10, has activity on fixed vertical bar 2
Cross bar connector sleeve 11, the first movable cross bar 9 and the second movable cross bar 10 are mounted in movable cross bar connector sleeve 11；Using this knot
Structure, installing and dismounting just facilitate, and greatly improve work efficiency.
Position-limited rack in the present invention includes the first position-limited rack 12 and the second position-limited rack 13, and the first position-limited rack 12 and second limits
Lantern ring is connected separately on frame 13, the both ends of mounting seat are connected with hook, can will limit by the connection of hook and lantern ring
The mounting base of level sensor is fixed on position-limited rack, convenient to use.
It is provided with the first link slot and the second link slot in the present invention on first position-limited rack 12 and the second position-limited rack 13, first
The position consistency of the position of link slot and the second link slot and the first movable cross bar 9 and the second movable cross bar 10, the first link slot
With the second link slot in J-type, using this structure, the connection of position-limited rack and movable cross bar is more stable, and installs more convenient.
In order to more easily mount and dismount protective fence, in four independent protective fences in the present invention adjacent protective fence it
Between connected by retaining ring, retaining ring includes the lantern ring disconnected, and the gap of lantern ring is bolted, using this structure, peace
Assembly and disassembly are unloaded more convenient.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (4)
1. a kind of extension ladder guardrail, including protective fence ontology and the safety caging device connecting with protective fence ontology, feature exists
In: the protective fence ontology is made of four independent protective fences, and the protective fence includes fixed transverse rod and movable cross bar, is fixed
By fixed vertical bar connection between cross bar and movable cross bar, fixes between vertical bar and be also connected with several movable vertical bars, the fixation
Cross bar includes first segment cross bar and second segment cross bar, and lengthening cross bar is connected between first segment cross bar and second segment cross bar, described
Respectively there is a cavity in the inside of first segment cross bar and second segment cross bar, lengthens cross bar and is mounted in cavity, lengthens the outer diameter of cross bar
It is consistent with the inner diameter size of cavity；There is one section of external screw thread at the both ends for lengthening cross bar respectively, and first segment cross bar and second segment are horizontal
Respectively there are one section of internal screw thread in bar and the connecting pin for lengthening cross bar；
It is connected with vertical bar fixing sleeve on the fixed transverse rod, is connected through a screw thread between vertical bar fixing sleeve and movable vertical bar；
It is connected with safety caging device between the fixed transverse rod and movable cross bar, the safety caging device includes position-limited rack,
Limit sensors are connected on the position-limited rack, limit sensors include mounting seat and stop collar, are equipped on stop collar solid
Fixed lid, the fixed lid are connect by screw thread with mounting seat,
The activity cross bar includes the first movable cross bar and the second movable cross bar, has movable cross bar to connect on the fixed vertical bar
Set, the first movable cross bar and the second movable cross bar are mounted in movable cross bar connector sleeve,
The position-limited rack includes the first position-limited rack and the second position-limited rack, is separately connected on first position-limited rack and the second position-limited rack
There is lantern ring, the both ends of the mounting seat are connected with hook.
2. a kind of extension ladder guardrail according to claim 1, it is characterised in that: first position-limited rack and the second position-limited rack
On be provided with the first link slot and the second link slot, the position of first link slot and the second link slot and the first movable cross bar
With the position consistency of the second movable cross bar.
3. a kind of extension ladder guardrail according to claim 2, it is characterised in that: first link slot and the second link slot
In J-type.
4. according to a kind of extension ladder guardrail described in claim 1, it is characterised in that: adjacent anti-in four independent protective fences
It is connected between guardrail by retaining ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610816910.6A CN106185517B (en) | 2016-09-12 | 2016-09-12 | A kind of extension ladder guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610816910.6A CN106185517B (en) | 2016-09-12 | 2016-09-12 | A kind of extension ladder guardrail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106185517A CN106185517A (en) | 2016-12-07 |
| CN106185517B true CN106185517B (en) | 2019-05-03 |
Family
ID=58067078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610816910.6A Expired - Fee Related CN106185517B (en) | 2016-09-12 | 2016-09-12 | A kind of extension ladder guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106185517B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108328530B (en) * | 2018-04-16 | 2024-01-16 | 贵州电网有限责任公司 | Transformer overhauls device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202518899U (en) * | 2012-04-01 | 2012-11-07 | 苏州赛奥智能电梯有限公司 | Elevator car top guardrail |
| CN203333113U (en) * | 2013-07-17 | 2013-12-11 | 韦伯电梯有限公司 | Car top guard of elevator |
| CN105329731A (en) * | 2015-11-02 | 2016-02-17 | 中山市鑫海精密制造科技有限公司 | Extension ladder guardrail |
| CN206172704U (en) * | 2016-09-12 | 2017-05-17 | 南京雄起电梯有限公司 | Extension ladder guardrail |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4684445B2 (en) * | 2001-03-23 | 2011-05-18 | 三菱電機株式会社 | Elevator car equipment |
| JP5033496B2 (en) * | 2007-06-13 | 2012-09-26 | 株式会社日立製作所 | Elevator car handrail device |
-
2016
- 2016-09-12 CN CN201610816910.6A patent/CN106185517B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202518899U (en) * | 2012-04-01 | 2012-11-07 | 苏州赛奥智能电梯有限公司 | Elevator car top guardrail |
| CN203333113U (en) * | 2013-07-17 | 2013-12-11 | 韦伯电梯有限公司 | Car top guard of elevator |
| CN105329731A (en) * | 2015-11-02 | 2016-02-17 | 中山市鑫海精密制造科技有限公司 | Extension ladder guardrail |
| CN206172704U (en) * | 2016-09-12 | 2017-05-17 | 南京雄起电梯有限公司 | Extension ladder guardrail |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106185517A (en) | 2016-12-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20190503 Termination date: 20190912 |