CN102923551A - Flatly-rotated car top guard - Google Patents
Flatly-rotated car top guard Download PDFInfo
- Publication number
- CN102923551A CN102923551A CN2012104280604A CN201210428060A CN102923551A CN 102923551 A CN102923551 A CN 102923551A CN 2012104280604 A CN2012104280604 A CN 2012104280604A CN 201210428060 A CN201210428060 A CN 201210428060A CN 102923551 A CN102923551 A CN 102923551A
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- montant
- cross bar
- pair
- guard
- guardrail
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Abstract
The invention discloses a flatly-rotated car top guard which is provided with a first vertical rod and a second vertical rod at an upper section and a lower section, wherein the second vertical rod of the guard can be overturned to be under a first cross rod by means of flat rotation (quadrilateral linkage), and the height of the guard can be reduced, so that the situation that the distance between a car top and a host machine is smaller when the elevator without a machine room stops at the top floor can be met, therefore, the distribution situation with a smaller space above the car top can be met, and the normal running of the car platform sill can not be influenced. The second vertical rod of the guard can be further overturned to be above the first vertical rod by means of flat rotation, so that the height of the guard can be increased, the requirement of the standard on the height of the guard can be met, and the safety can be guaranteed when the overhaul or other operations are carried out on the elevator car roof by workers.
Description
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Technical field
The present invention relates to a kind of car top guard, be specifically related to a kind of flat rotation car top guard.
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Background technology
In the prior art, for the safeguard work personnel overhaul or the safety of other operations at elevator car top, the height of car top guard must satisfy certain requirement, but the such height of car top guard can cause adapting to machine-roomless lift spacing situation less than normal between sedan-chair top and the main frame when top layer is stopped.
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Summary of the invention
The purpose of this invention is to provide a kind of flat rotation car top guard, when elevator normally moves, car top guard can draw in short transverse, to adapt to machine-roomless lift spacing situation less than normal between sedan-chair top and the main frame when top layer is stopped, and need to overhaul or other whens operation at elevator car top, then car top guard can be opened on short transverse, to satisfy in the standard requirement to guardrail height.
For achieving the above object, the technical solution used in the present invention is: a kind of flat rotation car top guard, comprise that the bottom is fixed on the first montant that is intervally arranged about a pair of on the described sedan-chair top, be fixedly installed on the first cross bar between a pair of described the first montant top, described flat rotation car top guard also comprises the second montant that is intervally arranged about a pair of, the second cross bar, the corresponding end of a pair of described the second montant respectively with the setting that rotates of the both ends of the top of described a pair of the first montant or described the first cross bar, the corresponding the other end of described a pair of the second montant respectively with the setting that rotates of the both ends of described the second cross bar, all rotate the rotational axis line homogeneous phase that arranges and be arranged in parallel, and all extend along fore-and-aft direction, described car top guard has open mode and rounding state, when described guardrail is in open mode, the major part of described a pair of the second montant all turn to the top of described a pair of the first montant, and described the second cross bar also is positioned at the top of described the first cross bar; When described guardrail is in rounding state, the major part of described a pair of the second montant all turn to the below of described the first cross bar, described the second cross bar also is positioned at the below of described the first cross bar, described flat rotation car top guard also comprise the limit switch that can when described guardrail is in open mode, forbid elevator cage operation and when described guardrail is in rounding state, allow elevator cage operation, can be so that described guardrail stably be in the lockout mechanism of open mode or rounding state.
During implementation, described lockout mechanism is between described the second montant and described the first montant or described the first cross bar, and described lockout mechanism can lock described the second montant and described the first montant or described the first cross bar.
Further, described lockout mechanism comprise the jack that is opened in described the second montant, be opened on described the first montant and the upper jack of the upper jack that distributes up and down and lower jack, the jack that can insert simultaneously described the second montant and described the first montant in or insert simultaneously spring pin in the lower jack of the jack of described the second montant and described the first montant.
Because the utilization of technique scheme, the present invention compared with prior art has following advantages: this flat rotation car top guard, by up and down subsection setup the first montant and the second montant, so that the second montant of guardrail can be turned to the first cross bar below by flat rotation (quadrangle interlock), reduce guardrail height, adapting to machine-roomless lift spacing situation less than normal between sedan-chair top and the main frame when top layer is stopped, thereby satisfy the less deployment scenarios of sedan-chair top superjacent air space, do not affect car and normally move.The second montant of guardrail can also be by the top of flat rotary turning to the first montant, improve guardrail height, to satisfy in the standard requirement for guardrail height, limit switch is forbidden elevator cage operation simultaneously, and safeguard work personnel overhaul or the safety of other operations at elevator car top.
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Description of drawings
Accompanying drawing 1 is schematic diagram one of the present invention, and wherein guardrail is opened fully;
Accompanying drawing 2 is schematic diagram two of the present invention, and wherein guardrail is semi-open;
Accompanying drawing 3 is schematic diagram three of the present invention, and wherein guardrail draws in fully.
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The specific embodiment
Further set forth structure of the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1-3, a kind of flat rotation car top guard, comprise a pair of the first montant 1, a pair of the second montant 2, the first cross bar 3, the second cross bar 4, the limit switch (not shown), lockout mechanism 9, in Fig. 1, a pair of the first montant about 1 is intervally arranged, equally, a pair of the second montant 2 is intervally arranged about also, the bottom of a pair of the first montant 1 all is fixed on the sedan-chair top, be fixedly installed the first cross bar 3 between the top of a pair of the first montant 1, the corresponding end (such as the bottom among Fig. 1 and 2 or such as the upper end among Fig. 3) of a pair of the second montant 2 respectively with the both ends of the top of a pair of the first montant 1 or the first cross bar 3 by turning cylinder 5 setting that rotates, the corresponding the other end (such as the upper end among Fig. 1 and 2 or such as the bottom among Fig. 3) of a pair of the second montant 2 respectively with the both ends of the second cross bar 4 by turning cylinder 5 setting that rotates, all rotate the turning cylinder 5 line of centers homogeneous phases that arrange and be arranged in parallel, and all extend along fore-and-aft direction, a pair of like this second montant 2, the second cross bar 4, first cross bar 3 formed can translation rotating parallelogram, realize spinning upside down of the second montant by the interlock of parallelogram, namely realized opening and drawing in of guardrail.Lockout mechanism 9 can be so that guardrail stably be in open mode or rounding state, in the present embodiment, lockout mechanism 9 is between the second montant 2 and the first montant 1 or the first cross bar 3, and this lockout mechanism 9 is used for locking the second montant 2 and the first montant 1 or the first cross bar 3.Specifically, lockout mechanism 9 comprises the jack 6 that is opened in the second montant 2, the upper jack 7 and the lower jack 8 that are opened on the first montant 1 and distribute up and down, the spring pin (not shown), interlock by parallelogram, when the second montant 2 upwards turn to position shown in Figure 1, guardrail is in full open position, the major part of a pair of the second montant 2 all turn to the top of a pair of the first montant 1, the second cross bar 4 also is positioned at the top of the first cross bar 3, carry out elevator car roof repair or other sedan-chair top operation corresponding to needs this moment, the height of guardrail satisfies the requirement of standard, insert simultaneously by spring pin in the upper jack 7 of the jack 6 of the second montant 2 and the first montant 1, realize that the maintenance guardrail is opened stable, in addition, limit switch disconnects, so that lift car can't move, thereby ensure the staff's of inspection operation or other operations safety.And when the needs elevator normally moves, extract spring pin, lockout mechanism 9 releases, same interlock by parallelogram, upset the second montant 2 is to position shown in Figure 3 downwards, guardrail is in complete rounding state, the major part of a pair of the second montant 2 all turn to the below of the first cross bar 3, the second montant 2 and the first montant 1 coincide, the second cross bar 4 also is positioned at the below of the first cross bar 3, reduced like this height of guardrail, inserted simultaneously by spring pin in the lower jack 8 of the jack 6 of the second montant 2 and the first montant 1, that has realized keeping guardrail to draw in is stable, avoid mobile, simultaneously limit switch remains closed, and allows lift car normally to move, the reduction of height after guardrail draws in like this so that car top guard can adapt to that machine-roomless lift sedan-chair when top layer is stopped pushes up and main frame between spacing situation less than normal.
Should flatly rotate car top guard, by up and down segmentation, so that can being turned to lower semisection by flat rotation (quadrangle interlock), the guardrail upper semisection overlaps, reduce guardrail height, to adapt to machine-roomless lift spacing situation less than normal between sedan-chair top and the main frame when top layer is stopped, thereby satisfy the less deployment scenarios of sedan-chair top superjacent air space, not affecting car normally moves, the guardrail upper semisection can also be by flat rotary turning to the lower semisection top, improve guardrail height, to satisfy in the standard requirement for guardrail height.
Claims (3)
1. put down the rotation car top guard for one kind, comprise that the bottom is fixed on the first montant that is intervally arranged about a pair of on the described sedan-chair top, be fixedly installed on the first cross bar between a pair of described the first montant top, it is characterized in that: described flat rotation car top guard also comprises the second montant that is intervally arranged about a pair of, the second cross bar, the corresponding end of a pair of described the second montant respectively with the setting that rotates of the both ends of the top of described a pair of the first montant or described the first cross bar, the corresponding the other end of described a pair of the second montant respectively with the setting that rotates of the both ends of described the second cross bar, all rotate the rotational axis line homogeneous phase that arranges and be arranged in parallel, and all extend along fore-and-aft direction, described car top guard has open mode and rounding state, when described guardrail is in open mode, the major part of described a pair of the second montant all turn to the top of described a pair of the first montant, and described the second cross bar also is positioned at the top of described the first cross bar; When described guardrail is in rounding state, the major part of described a pair of the second montant all turn to the below of described the first cross bar, described the second cross bar also is positioned at the below of described the first cross bar, described flat rotation car top guard also comprise the limit switch that can when described guardrail is in open mode, forbid elevator cage operation and when described guardrail is in rounding state, allow elevator cage operation, can be so that described guardrail stably be in the lockout mechanism of open mode or rounding state.
2. a kind of flat rotation car top guard according to claim 1, it is characterized in that: described lockout mechanism is between described the second montant and described the first montant or described the first cross bar, and described lockout mechanism can lock described the second montant and described the first montant or described the first cross bar.
3. a kind of flat rotation car top guard according to claim 2 is characterized in that: described lockout mechanism comprises the jack that is opened in described the second montant, be opened on described the first montant and the upper jack of the upper jack that distributes up and down and lower jack, the jack that can insert simultaneously described the second montant and described the first montant in or insert simultaneously spring pin in the lower jack of the jack of described the second montant and described the first montant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104280604A CN102923551A (en) | 2012-10-31 | 2012-10-31 | Flatly-rotated car top guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104280604A CN102923551A (en) | 2012-10-31 | 2012-10-31 | Flatly-rotated car top guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102923551A true CN102923551A (en) | 2013-02-13 |
Family
ID=47638516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104280604A Pending CN102923551A (en) | 2012-10-31 | 2012-10-31 | Flatly-rotated car top guard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102923551A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435686A (en) * | 2019-07-22 | 2019-11-12 | 中车山东机车车辆有限公司 | A kind of protective device and railway transport vehicle |
| CN110697547A (en) * | 2018-07-10 | 2020-01-17 | 上海三菱电梯有限公司 | Telescopic guardrail on car roof |
| CN112982243A (en) * | 2019-12-02 | 2021-06-18 | 怀化市恒裕实业有限公司 | Movable guardrail |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002362856A (en) * | 2001-06-07 | 2002-12-18 | Mitsubishi Electric Corp | Cab top protection device of elevator |
| FR2866665A1 (en) * | 2004-02-24 | 2005-08-26 | Juan Perea | Guardrail type safety device, has control unit controlling jack type linear actuator to move and maintain retaining unit in deployed position and to restore unit in retracted position, and net stretching across device in deployed position |
| NL1030867C2 (en) * | 2006-01-06 | 2007-07-09 | Melker B V De | Safety construction is for lift and comprises at least two uprights, at least one horizontal piece connected with uprights, devices for fixture of construction to lift cage, at least one bolting component for securing the construction |
| CN201592939U (en) * | 2009-12-09 | 2010-09-29 | 浙江师范大学 | Adjustable heightening car top guard |
| CN102417128A (en) * | 2011-09-29 | 2012-04-18 | 苏州富士电梯有限公司 | Guardrail for electrical elevator |
| CN202897738U (en) * | 2012-10-31 | 2013-04-24 | 江南嘉捷电梯股份有限公司 | Flat rotating car roof guardrail |
-
2012
- 2012-10-31 CN CN2012104280604A patent/CN102923551A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002362856A (en) * | 2001-06-07 | 2002-12-18 | Mitsubishi Electric Corp | Cab top protection device of elevator |
| FR2866665A1 (en) * | 2004-02-24 | 2005-08-26 | Juan Perea | Guardrail type safety device, has control unit controlling jack type linear actuator to move and maintain retaining unit in deployed position and to restore unit in retracted position, and net stretching across device in deployed position |
| NL1030867C2 (en) * | 2006-01-06 | 2007-07-09 | Melker B V De | Safety construction is for lift and comprises at least two uprights, at least one horizontal piece connected with uprights, devices for fixture of construction to lift cage, at least one bolting component for securing the construction |
| CN201592939U (en) * | 2009-12-09 | 2010-09-29 | 浙江师范大学 | Adjustable heightening car top guard |
| CN102417128A (en) * | 2011-09-29 | 2012-04-18 | 苏州富士电梯有限公司 | Guardrail for electrical elevator |
| CN202897738U (en) * | 2012-10-31 | 2013-04-24 | 江南嘉捷电梯股份有限公司 | Flat rotating car roof guardrail |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110697547A (en) * | 2018-07-10 | 2020-01-17 | 上海三菱电梯有限公司 | Telescopic guardrail on car roof |
| CN110697547B (en) * | 2018-07-10 | 2021-08-03 | 上海三菱电梯有限公司 | Telescopic guardrail on car roof |
| CN110435686A (en) * | 2019-07-22 | 2019-11-12 | 中车山东机车车辆有限公司 | A kind of protective device and railway transport vehicle |
| CN112982243A (en) * | 2019-12-02 | 2021-06-18 | 怀化市恒裕实业有限公司 | Movable guardrail |
| CN112982243B (en) * | 2019-12-02 | 2022-03-18 | 怀化市恒裕实业有限公司 | Movable guardrail |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130213 |