CN106185517A - A kind of extension ladder guardrail - Google Patents
A kind of extension ladder guardrail Download PDFInfo
- Publication number
- CN106185517A CN106185517A CN201610816910.6A CN201610816910A CN106185517A CN 106185517 A CN106185517 A CN 106185517A CN 201610816910 A CN201610816910 A CN 201610816910A CN 106185517 A CN106185517 A CN 106185517A
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- CN
- China
- Prior art keywords
- cross bar
- movable
- limited rack
- paragraph
- movable cross
- 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.)
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Classifications
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- 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
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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The present invention relates to elevator technology field, especially a kind of extension ladder guardrail；Guard rail body is made up of four independent guard rails, guard rail includes fixed transverse rod and movable cross bar, connected by fixing montant between fixed transverse rod and movable cross bar, some movable montants it are also associated with between fixing montant, fixed transverse rod includes first paragraph cross bar and second segment cross bar, connecting to have between first paragraph cross bar and second segment cross bar and add long transverse lever, the inside of first paragraph cross bar and second segment cross bar is respectively arranged with a cavity, and the external diameter adding long transverse lever is in the same size with the internal diameter of cavity；Add the two ends of long transverse lever and have one section of external screw thread, first paragraph cross bar and second segment cross bar respectively and the connection end adding long transverse lever is respectively arranged with one section of female thread；When needing the length lengthening fixed transverse rod, move in the cavity of fixed transverse rod by adding long transverse lever, then will add long transverse lever be fixed between first paragraph cross bar and second segment cross bar by external screw thread and female thread, and use more convenient, connect more stable.
Description
Technical field
The present invention relates to elevator technology field, especially a kind of extension ladder guardrail.
Background technology
Elevator is more and more important in daily life, in order to avoid operator's pendant when installing or overhaul elevator
Enter hoistway, indicate in " elevator manufacture and installation safety standard ": when overhauling trapdoor and opening, should prevent personnel from falling
Measure, when machine room ground level differs and differs by more than 0.5m, ladder building or step should be set, and guardrail is set.Sedan-chair top is prevented
Guardrail is mounted in a kind of preventer above sedan-chair top, mainly for preventing repair and maintenance personnel from crashing into hoistway when working on sedan-chair top,
Current guard bar structure is complicated, is not easy to install and maintenance, but also there is processing technology, installation process complexity, relatively costly
And be not applied for most of safely away from the elevator hoistways exceeded standard or overhead is low, and it is unsatisfactory for the technology of Standard
Problem.
Summary of the invention
It is an object of the invention to: the flexible elevator guardrail that a kind of mounting process is simple, applied widely is provided.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows:
A kind of extension ladder guardrail, including guard rail body and the safety caging device that is connected with guard rail body, described guard rail
Body is made up of four independent guard rails, and described guard rail includes fixed transverse rod and movable cross bar, fixed transverse rod and movable transverse
Being connected by fixing montant between bar, be also associated with some movable montants between fixing montant, described fixed transverse rod includes first
Section cross bar and second segment cross bar, connects to have between first paragraph cross bar and second segment cross bar and adds long transverse lever, described first paragraph cross bar and
The inside of second segment cross bar is respectively arranged with a cavity, adds long transverse lever and is arranged in cavity, adds the external diameter of long transverse lever and the internal diameter of cavity
In the same size；The described two ends adding long transverse lever have one section of external screw thread, first paragraph cross bar and second segment cross bar respectively and add long transverse lever
Connection end be respectively arranged with one section of female thread；
Connect on described fixed transverse rod and have montant fixed cover, be threaded connection between montant fixed cover and movable montant；
Connecting between described fixed transverse rod and movable cross bar has safety caging device, described safety caging device to include position-limited rack,
Connecting limited location sensor on described position-limited rack, limit sensors includes mounting seat and spacing ring, spacing ring is provided with solid
Fixed lid, described fixing lid is connected with mounting seat by screw thread.
Preferably, described movable cross bar includes the first movable cross bar and the second movable cross bar, and described fixing montant has work
Dynamic cross bar adapter sleeve, the first movable cross bar and the second movable cross bar are arranged in movable cross bar adapter sleeve.
Preferably, described position-limited rack includes the first position-limited rack and the second position-limited rack, described first position-limited rack and second spacing
Being connected to the collar on frame, the two ends of described mounting seat connect hook.
Preferably, described first position-limited rack and the second position-limited rack all have the first link slot and the second link slot, described
The position of the first link slot and the second link slot and the first movable cross bar and the position consistency of the second movable cross bar.
Preferably, described first link slot and the second link slot are in J-type.
Preferably, described four independent guard rails are connected by retaining ring between adjacent guard rail.
Technical scheme is used to provide the benefit that:
The extension ladder guardrail of the present invention, connects between fixed transverse rod and movable cross bar and has safety caging device, safety caging device
Including position-limited rack, position-limited rack connecting limited location sensor, limit sensors includes mounting seat and spacing ring, and spacing ring is pacified
Equipped with fixing lid, fixing lid is connected with mounting seat by screw thread；By arranging safety caging device, use the scalable knot of guardrail
Structure so that extension ladder guardrail ensure that and do not interferes with elevator hoistways overhead when actual motion, and overhaul at needs
Time also can play the effect of security protection, meet Standard, additionally can also save unilateral hoistway space.
The inside of first paragraph cross bar and second segment cross bar is respectively arranged with a cavity, adds long transverse lever and is arranged in cavity, lengthens horizontal stroke
The external diameter of bar is in the same size with the internal diameter of cavity；The two ends adding long transverse lever have one section of external screw thread, first paragraph cross bar and second respectively
Section cross bar is respectively arranged with one section of female thread with the connection end adding long transverse lever；When needing the length lengthening fixed transverse rod, by adding long transverse lever
Move in the cavity of fixed transverse rod, then will add long transverse lever be fixed on first paragraph cross bar and second by external screw thread and female thread
Between section cross bar, use more convenient, connect more stable.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the fixed transverse rod of the present invention.
In figure: 1 fixed transverse rod, 2 fix montant, 3 movable montants, 4 first paragraph cross bars, 5 second segment cross bars, and 6 add long transverse lever,
7 erect upper boom fixed cover, 8 limit sensors, 9 first movable cross bars, 10 second movable cross bars, 11 movable cross bar adapter sleeves, and 12 the
One position-limited rack, 13 second position-limited racks.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only with
The basic structure of the illustration explanation present invention, therefore it only shows the composition relevant with the present invention.
As depicted in figs. 1 and 2, a kind of extension ladder guardrail, including guard rail body and the safety that is connected with guard rail body
Stopping means, guard rail body is made up of four independent guard rails, and guard rail includes fixed transverse rod 1 and movable cross bar, fixing
Connected by fixing montant 2 between cross bar 1 and movable cross bar, the structure design of fixed transverse rod 1 and movable cross bar, improve protection
The bonding strength on hurdle, improves the safety of use, is also associated with some movable montants 3, fixed transverse rod 1 between fixing montant 2
Including first paragraph cross bar 4 and second segment cross bar 5, connect between first paragraph cross bar 4 and second segment cross bar 5 and have and add long transverse lever 6, lengthen
The structure design of cross bar 6, can adjust the length of fixed transverse rod, use more convenient, first paragraph cross bar 4 and the according to practical situation
The inside of two-stage nitration cross bar 5 is respectively arranged with a cavity, adds long transverse lever 6 and is arranged in cavity, adds the external diameter of long transverse lever 6 and the internal diameter of cavity
In the same size；The two ends adding long transverse lever 6 have one section of external screw thread, first paragraph cross bar 4 and second segment cross bar 5 respectively and add long transverse lever 6
Connection end be respectively arranged with one section of female thread；When needing the length lengthening fixed transverse rod, by adding the long transverse lever 6 cavity at fixed transverse rod
Interior movement, then will be added long transverse lever be fixed between first paragraph cross bar 4 and second segment cross bar 5 by external screw thread and female thread, make
With more convenient, connect more stable,
Connect on fixed transverse rod 1 and have montant fixed cover 7, be threaded connection between montant fixed cover 7 and movable montant 3；Fixing
Being connected by montant fixed cover 7 between cross bar 1 with movable montant 3, use more convenient, movable montant 3 is fixed on montant fixed cover 7
In, install more stable；
Connecting between fixed transverse rod 1 and movable cross bar has safety caging device, safety caging device to include position-limited rack, on position-limited rack
Connecting limited location sensor 8, limit sensors 8 includes mounting seat and spacing ring, and spacing ring is provided with fixing lid, fixing lid
It is connected with mounting seat by screw thread；By arranging safety caging device, use guardrail Collapsible structure so that extension ladder guardrail
Ensure that and do not interfere with elevator hoistways overhead when actual motion, and also can play security protection when needs overhaul
Effect, meet Standard, additionally can also save unilateral hoistway space；
Movable cross bar in the present invention includes the first movable cross bar 9 and the second movable cross bar 10, and fixing montant 2 has movable cross bar
Adapter sleeve 11, the first movable cross bar 9 and the second movable cross bar 10 are arranged in movable cross bar adapter sleeve 11；Use this structure, peace
Mounting or dismounting are unloaded the most convenient, substantially increase 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 is spacing
Being connected to the collar on frame 13, the two ends of mounting seat connect hook, just can will be limited by the connection of hook with the collar
The mounting seat of level sensor is fixed on position-limited rack, convenient to use.
The present invention all has on the first position-limited rack 12 and the second position-limited rack 13 first link slot and the second link slot, first
The position of link slot and the second link slot and the first movable cross bar 9 and the position consistency of the second movable cross bar 10, the first link slot
With the second link slot in J-type, using this structure, position-limited rack is more stable with the connection of movable cross bar, and installs more convenient.
In order to more easily mount and dismount guard rail, in four independent guard rails in the present invention adjacent guard rail it
Between connected by retaining ring, retaining ring include disconnect the collar, the gap of the collar is bolted, and uses this structure, peace
Mounting or dismounting are unloaded more convenient.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff is complete
Entirely can carry out various change and amendment in the range of without departing from this invention technological thought.The technology of this invention
The content that property scope is not limited in description, it is necessary to determine its technical scope according to right.
Claims (6)
1. an extension ladder guardrail, including guard rail body and the safety caging device that is connected with guard rail body, its feature exists
In: described guard rail body is made up of four independent guard rails, and described guard rail includes fixed transverse rod and movable cross bar, fixing
Connected by fixing montant between cross bar and movable cross bar, between fixing montant, be also associated with some movable montants, described fixing
Cross bar includes first paragraph cross bar and second segment cross bar, and connecting between first paragraph cross bar and second segment cross bar has and add long transverse lever, described
The inside of first paragraph cross bar and second segment cross bar is respectively arranged with a cavity, adds long transverse lever and is arranged in cavity, adds the external diameter of long transverse lever
In the same size with the internal diameter of cavity；The described two ends adding long transverse lever have one section of external screw thread, first paragraph cross bar and second segment horizontal respectively
Bar and the connection end adding long transverse lever are respectively arranged with one section of female thread；
Connect on described fixed transverse rod and have perpendicular upper boom fixed cover, be threaded connection between montant fixed cover and movable montant；
Connecting between described fixed transverse rod and movable cross bar has safety caging device, described safety caging device to include position-limited rack,
Connecting limited location sensor on described position-limited rack, limit sensors includes mounting seat and spacing ring, spacing ring is provided with solid
Fixed lid, described fixing lid is connected with mounting seat by screw thread.
A kind of extension ladder guardrail the most according to claim 1, it is characterised in that: described movable cross bar includes the first movable transverse
Bar and the second movable cross bar, described fixing montant has movable cross bar adapter sleeve, the first movable cross bar and the second movable cross bar peace
It is contained in movable cross bar adapter sleeve.
A kind of extension ladder guardrail the most according to claim 1, it is characterised in that: described position-limited rack include the first position-limited rack and
Second position-limited rack, described first position-limited rack and the second position-limited rack are connected to the collar, and the two ends of described mounting seat connect
There is hook.
A kind of extension ladder guardrail the most according to claim 3, it is characterised in that: described first position-limited rack and the second position-limited rack
On all have the first link slot and the second link slot, the position of described first link slot and the second link slot and the first movable cross bar
Position consistency with the second movable cross bar.
A kind of extension ladder guardrail the most according to claim 4, it is characterised in that: described first link slot and the second link slot
In J-type.
6. according to a kind of extension ladder guardrail described in claim 1, it is characterised in that: adjacent anti-in described four independent guard rails
Connected by retaining ring between guardrail.
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 true CN106185517A (en) | 2016-12-07 |
| CN106185517B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108328530A (en) * | 2018-04-16 | 2018-07-27 | 贵州电网有限责任公司 | A kind of Repair of Transformer device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002284469A (en) * | 2001-03-23 | 2002-10-03 | Mitsubishi Electric Corp | Elevator car device |
| JP2008308269A (en) * | 2007-06-13 | 2008-12-25 | Hitachi Ltd | Car top handrail device for elevator |
| 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 |
-
2016
- 2016-09-12 CN CN201610816910.6A patent/CN106185517B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002284469A (en) * | 2001-03-23 | 2002-10-03 | Mitsubishi Electric Corp | Elevator car device |
| JP2008308269A (en) * | 2007-06-13 | 2008-12-25 | Hitachi Ltd | Car top handrail device for elevator |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108328530A (en) * | 2018-04-16 | 2018-07-27 | 贵州电网有限责任公司 | A kind of Repair of Transformer device |
| CN108328530B (en) * | 2018-04-16 | 2024-01-16 | 贵州电网有限责任公司 | Transformer overhauls device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106185517B (en) | 2019-05-03 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190503 Termination date: 20190912 |
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| CF01 | Termination of patent right due to non-payment of annual fee |