CN103342274A - Lifting cage safety door interlocking device and lifting cage safety door - Google Patents
Lifting cage safety door interlocking device and lifting cage safety door Download PDFInfo
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- CN103342274A CN103342274A CN2013102917415A CN201310291741A CN103342274A CN 103342274 A CN103342274 A CN 103342274A CN 2013102917415 A CN2013102917415 A CN 2013102917415A CN 201310291741 A CN201310291741 A CN 201310291741A CN 103342274 A CN103342274 A CN 103342274A
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- safety door
- latch hook
- cage
- interlock system
- connecting rod
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Abstract
The invention relates to hoisting machinery, in particular to a lifting cage safety door interlocking device and a lifting cage safety door. In the prior art, a lifting safety door interlocking device cannot meet requirements in GB26557-2011 Personnel and Material Building Hoist with Lifting Cage Having Vertical Guiding, a safety door opening mode is relatively single, operating staff cannot open a safety door to escape when encountering emergency circumstances, and potential safety hazards exist. According to the lifting cage safety door interlocking device, a latch hook is provided with an unlocking device used for manually opening the latch hook. An opening mode of the lifting cage safety door interlocking device of the structure is relatively flexible, and safety performance of an elevator is improved; an opening mode of the lifting cage safety door is flexible, and safety performance of the elevator is improved.
Description
Technical field
The present invention relates to elevator machinery, relate in particular to cage safety door interlock system and cage safety door.
Background technology
Elevator is indispensable a kind of mechanical equipment in the modern high-rise building work progress, its building materials that mainly act as ground is transported to high-rise camp site, the conveying efficiency of elevator directly influences the progress of engineering, especially the cage of elevator, main transport structure as elevator, bearing the effect of transporting material, various standards have been done to elevator by country for this reason, so that elevator also can reach the requirement of construction safety in guaranteed efficiency, the safety door of elevator craning cage does not allow to open in the process of transporting material, and the designer has designed diversified interlock system to the safety door of elevator for this reason.
The patent No. is the disclosed construction elevator floor of CN201120477863.X protective door new door lock device in the prior art, main set-up mode is: the upper end of door pillar is provided with latch hook, it is lock hook seat below the latch hook, below lock hook seat, be provided with door interlock switch, the inboard of door pillar upper end, be provided with the pintle hook lock seat of boss type, the outer end of pintle hook lock seat is supported and is provided with pintle hook lock, is connected with the pintle hook lock extension spring between pintle hook lock and the pintle hook lock seat, is connected with slide bar in the jacking block, slide bar is installed extension in cage, by supporting seat installation and fixing, the inner of slide bar is connected with return spring, and the inner of slide bar also is connected with steel rope simultaneously, steel rope extends to pilot wheel by pulley, be connected with control lever on the pilot wheel, with handle crop rotation in be connected, be provided with interior interlocking switch; The patent No. is the disclosed a kind of self-locking device of CN201220058816.6, keystone configuration comprises L shaped main body, described L shaped main body comprises position-limited lever and hook bar, position-limited lever top is connected by right-hand limit shaft of back-moving spring and position-limited lever, limit shaft is arranged on the doorframe of hook bar top, the position-limited lever lower end is connected with hook bar left end, and hook bar right-hand member is provided with the V-arrangement hook, and the distance between V-arrangement hook and the doorframe is greater than the thickness of door-plate; The junction of described position-limited lever and hook bar is provided with turning cylinder, and described L shaped main body flexibly connects by turning cylinder and doorframe, and described doorframe right side is provided with rubber pad; The patent No. is the safety door lock device of a CN201220408487.3 elevator craning cage, comprise that utilizing bearing pin to rotate is installed on the hook with safety tong on the described elevator craning cage frame and is fixedly installed on the described elevator craning cage door and the latch that cooperates with described hook with safety tong, the afterbody of described hook with safety tong is provided with the compression spring, and described latch is provided with the lock groove of at least one and described hook with safety tong coupling; The patent No. is the disclosed elevator craning cage feeding gate of CN201220416754.1 mechanical interlocks, comprise latch hook, lock, elastic reset spare and the collision block that is connected with cage, lock is connected with outer cage door frame, outer cage door frame is provided with feeding gate, feeding gate is provided with the door lock link plate with the latch hook snapping, described latch hook rotates by bolt and is arranged on the lock, elastic reset spare is torsion spring, torsion spring set is located at outside the bolt, torsion spring is provided with two groups of conflict pin, wherein, first group of conflict pin and latch hook join, and second group of conflict pin and lock or outer cage door frame are conflicted.
Though above-mentioned each patent publication the safety door interlock system made various optimizations and improvement, make it safety performance and obtained further raising, but each patent all can't satisfy the requirement among the GB26557-2011 " cage has the dual-purpose building hoist of people's goods of vertically-guided ", the safety door mode of opening the door is comparatively single, run into the emergency situation operating personal and can't open the safety door escape, have potential safety hazard.
Summary of the invention
Cage safety door interlock system provided by the invention and cage safety door are intended to overcome in the prior art safety door single deficiency of mode of opening the door.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: cage safety door interlock system comprises lock, latch hook and is used for return unit that latch hook is resetted that described latch hook is provided with the unlocking apparatus for the manual unlocking latch hook.
As preferably, described unlocking apparatus comprise for the connecting rod I of touching latch hook and with the connecting rod II of connecting rod I, described connecting rod I is provided be used to the contact that touches latch hook, because connecting rod I and contact join, can be delivered to by the action that the connecting rod II is unblanked realization on the locus that is suitable for the operating personal operation, easy to operate and cheap.
As preferably, described contact is provided with 1/2 spheroid at an end that contacts with latch hook, and contact touches the action that the latch hook realization is unblanked, and contact is meeting and latch hook generation relative motion in finishing the unlocking action process, the employing spheroid has reduced the abrasive forces between contact and the latch hook, and is easy to operate.
As preferably, described return unit is stage clip, described latch hook and lock are provided with for the projection of placing stage clip, described projection is provided with the director that prevents that stage clip from coming off, because elevator is generally at outside work, service conditions is relatively abominable, after long-term the use, the stage clip that is used for latch hook is resetted may come off from projection owing to wearing and tearing, increasing director has avoided stage clip to come off and play effect to the stage clip guiding the latch hook course of action from projection, latch hook operation precision height has improved cage safety performance in use.
As preferably, described director is guidepost, and guidepost has higher intensity, has further improved cage safety performance in use.
As preferably, described director has certain flexibility for guiding steel wire, guiding steel wire, latch hook is not straight line at the course of action of action, employing has flexible guiding steel wire, has simplified the structure of latch hook and lock, has reduced the manufacturing cost of latch hook and lock and easy to use.
As preferably, described connecting rod I is connected by bolt with the connecting rod II, adopts bolt to connect and makes connecting rod I and connecting rod II more flexible in the specific design process, and the operating personal position of connecting rod II is easily adjusted, and is easy to operate.
As preferably, described contact is welded on the connecting rod I, and contact is connected reliably with the connecting rod I, has improved the service life of touching.
As preferably, described latch hook is arranged on the lock by bearing pin, and flexible movements between latch hook and the lock stuck situation can not occur, have improved the safety performance of elevator.
The cage safety door, comprise cage, safety door and be arranged on cage and safety door between interlock system, described interlock system is the described cage safety door of technique scheme interlock system, described safety door inboard is provided with the handle that joins with unlocking apparatus, the outside of described safety door is provided with in case of emergency opening the door-opening mechanism that safety door is used, and described door-opening mechanism and unlocking apparatus join.
Cage safety door interlock system provided by the invention, have following advantage: latch hook is provided with the unlocking apparatus for the manual unlocking latch hook, operating personal can be opened the safety door of cage easily in the use by unlocking apparatus, borrow dual-purpose elevator as the people, in case of emergency, operating personal can be opened the safety door escape by unlocking apparatus, and this structural safety door unfolding mode is comparatively flexible, improves the safety performance of elevator.
Cage safety door provided by the invention, have following advantage: the safety door inboard is provided with the handle that joins with unlocking apparatus, the outside of described safety door is provided with in case of emergency opening the door-opening mechanism that safety door is used, described door-opening mechanism and unlocking apparatus join, the handle of safety door inboard is used for operating personal in case of emergency, opening safety door from cage inside escapes, door-opening mechanism is used for opening safety door from the cage outside, cage is keeped in repair or handles other situation, this safety door unfolding mode is flexible, has improved the safety performance of elevator.
Description of drawings
Accompanying drawing 1 is cage safety door scheme drawing of the present invention,
Accompanying drawing 2 is cage safety door A of the present invention place enlarged diagrams,
Accompanying drawing 3 is cage safety door B of the present invention place enlarged diagrams.
Shown in the figure 1, latch hook, 2, lock, 3, return unit, 4, projection, 5, director, 6, the connecting rod I, 7, the connecting rod II, 8, contact, 9, safety door, 10, handle, 11, door-opening mechanism.
The specific embodiment
Embodiment one
Below in conjunction with accompanying drawing, cage safety door interlock system of the present invention is described further.As shown in Figure 2, cage safety door interlock system, comprise lock 2, latch hook 1 and be used for return unit 3 that latch hook 1 is resetted, described latch hook 1 is arranged on the lock 2 by bearing pin, described return unit 3 is stage clip, described latch hook 1 and lock 2 are provided with for the projection 4 of placing stage clip, described projection 4 is provided with the guidepost that prevents that stage clip from coming off, because elevator is generally at outside work, service conditions is relatively abominable, after long-term the use, the stage clip that is used for latch hook 1 is resetted may come off from projection 4 owing to wearing and tearing, increasing guidepost has avoided stage clip to come off and play effect to the stage clip guiding latch hook 1 course of action from projection 4, latch hook 1 operation precision height, improved cage safety performance in use, described latch hook 1 is provided with the unlocking apparatus for manual unlocking latch hook 1, described unlocking apparatus comprise for the connecting rod I 6 of touching latch hook 1 and with the connecting rod II 7 of connecting rod I 6, described connecting rod I 6 and connecting rod II 7 are connected by bolt, adopting bolt to connect makes connecting rod I 6 and connecting rod II 7 more flexible in the specific design process, the operating personal position of connecting rod II 7 is easily adjusted, easy to operate, be welded with on the described connecting rod I 6 be used to the contact 8 that touches latch hook 1, because connecting rod II 7 is joined with connecting rod I 6, can will realize that the action of unblanking is delivered on the locus that is suitable for the operating personal operation by connecting rod II 7, easy to operate and cheap, latch hook 1 is provided with the unlocking apparatus for manual unlocking latch hook 1, operating personal can be opened the safety door 9 of cage easily in the use by unlocking apparatus, borrow dual-purpose elevator as the people, in case of emergency, operating personal is opened safety door 9 by unlocking apparatus and can be escaped, this structural safety door 9 unfolding mode are comparatively flexible, improve the safety performance of elevator.
Further, described contact 8 is provided with 1/2 spheroid at an end that contacts with latch hook 1, and contact 8 touches the action that latch hook 1 realization is unblanked, and contact 8 is meeting and latch hook 1 generation relative motion in finishing the unlocking action process, the employing spheroid has reduced the abrasive forces between contact 8 and the latch hook 1, and is easy to operate.
Further, described director 5 has certain flexibility for guiding steel wire, guiding steel wire, latch hook 1 is not straight line at the course of action of action, employing has flexible guiding steel wire, has simplified the structure of latch hook 1 and lock 2, has reduced the manufacturing cost of latch hook 1 and lock 2 and easy to use.
The cage safety door, as Fig. 1, shown in Figure 3, comprise cage, safety door 9 and be arranged on cage and safety door 9 between interlock system, described interlock system is the described cage safety door of technique scheme interlock system, described safety door 9 inboards are provided with the handle 10 that joins with unlocking apparatus, the outside of described safety door 9 is provided with for the door-opening mechanism 11 of in case of emergency opening safety door 9 usefulness, described door-opening mechanism 11 joins with unlocking apparatus, safety door 9 inboards are provided with the handle 10 that joins with unlocking apparatus, the outside of described safety door 9 is provided with for the door-opening mechanism 11 of in case of emergency opening safety door 9 usefulness, described door-opening mechanism 11 joins with unlocking apparatus, the handle 10 of safety door 9 inboards is used for operating personal in case of emergency, open safety door 9 from cage inside and escape, door-opening mechanism 11 is used for opening safety door 9 from the cage outside, and cage is keeped in repair or handle other situation, these safety door 9 unfolding mode are flexible, improved the safety performance of elevator.
Technique scheme in use, latch hook 1 is provided with the unlocking apparatus for manual unlocking latch hook 1, in case of emergency, operating personal can pass through operating handle 10 drivening rod II 7, the contact 8 that connecting rod II 7 drivening rod I 6 are positioned on the connecting rod I 6 touches latch hook 1, make latch hook 1 action, thereby open safety door 9 escapes, and the door-opening mechanism 11 that is positioned at safety door 9 outsides joins with unlocking apparatus, operating personal also can be opened safety door 9 by the unlocking mechanism in emergency gate 9 outsides, this structural safety door 9 unfolding mode are comparatively flexible, improve the safety performance of elevator.
Being preferred implementation of the present invention only below, being intended to embody outstanding technique effect of the present invention and advantage, is not to be restriction to technical scheme of the present invention.This area the skill personnel it should be understood that, all modifications of making based on the technology of the present invention content, variation or substitute technology feature all should be covered by in the technology category of claims opinion of the present invention.
Claims (10)
1. cage safety door interlock system comprises lock (2), latch hook (1) and is used for return unit (3) that latch hook (1) is resetted that it is characterized in that: described latch hook (1) is provided with the unlocking apparatus for manual unlocking latch hook (1).
2. cage safety door interlock system according to claim 1, it is characterized in that: described unlocking apparatus comprises that described connecting rod I (6) is provided be used to the contact that touches latch hook (1) (8) for the connecting rod I (6) of touching latch hook (1) and the connecting rod II (7) of joining with connecting rod I (6).
3. cage safety door interlock system according to claim 2, it is characterized in that: described contact (8) is provided with 1/2 spheroid at an end that contacts with latch hook (1).
4. cage safety door interlock system according to claim 1, it is characterized in that: described return unit (3) is stage clip, described latch hook (1) and lock (2) are provided with for the projection (4) of placing stage clip, and described projection (4) is provided with the director (5) that prevents stage clip and come off.
5. cage safety door interlock system according to claim 4, it is characterized in that: described director (5) is guidepost.
6. cage safety door interlock system according to claim 4 is characterized in that: described director (5) is the guiding steel wire.
7. cage safety door interlock system according to claim 2, it is characterized in that: described connecting rod I (6) is connected by bolt with connecting rod II (7).
8. cage safety door interlock system according to claim 2, it is characterized in that: described contact (8) is welded on the connecting rod I (6).
9. cage safety door interlock system according to claim 1, it is characterized in that: described latch hook (1) is arranged on the lock (2) by bearing pin.
10. cage safety door, comprise safety door (9) and be arranged on cage and safety door (9) between interlock system, it is characterized in that: described interlock system is any described cage safety door interlock system of claim 1～9, described safety door (9) inboard is provided with the handle (10) that joins with unlocking apparatus, the outside of described safety door (9) is provided with for the door-opening mechanism (11) of in case of emergency opening safety door (9) usefulness, and described door-opening mechanism (11) joins with unlocking apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102917415A CN103342274A (en) | 2013-07-10 | 2013-07-10 | Lifting cage safety door interlocking device and lifting cage safety door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102917415A CN103342274A (en) | 2013-07-10 | 2013-07-10 | Lifting cage safety door interlocking device and lifting cage safety door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103342274A true CN103342274A (en) | 2013-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102917415A Pending CN103342274A (en) | 2013-07-10 | 2013-07-10 | Lifting cage safety door interlocking device and lifting cage safety door |
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| Country | Link |
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| CN (1) | CN103342274A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003335483A (en) * | 2002-05-17 | 2003-11-25 | Mitsubishi Electric Corp | Manual unlocking device for elevator door |
| CN101117870A (en) * | 2006-08-04 | 2008-02-06 | 沈阳博林特电梯有限公司 | Elevator gate lock |
| CN201808983U (en) * | 2010-06-05 | 2011-04-27 | 山东云锦成智能科技有限公司 | Safety protection device for outside unlocking in elevator hall |
| CN202321899U (en) * | 2011-11-27 | 2012-07-11 | 山东宁建建设集团有限公司 | Novel door lock device of floor protection door of constructed elevator |
| CN202808141U (en) * | 2012-08-22 | 2013-03-20 | 佛山市南海裕华建筑机械有限公司 | Mechanical interlocking device of feeding gate of suspension cage of lift |
| CN203392697U (en) * | 2013-07-10 | 2014-01-15 | 嘉兴市华东建设机械有限公司 | Suspension cage safety door interlocking device and suspension cage safety door |
-
2013
- 2013-07-10 CN CN2013102917415A patent/CN103342274A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003335483A (en) * | 2002-05-17 | 2003-11-25 | Mitsubishi Electric Corp | Manual unlocking device for elevator door |
| CN101117870A (en) * | 2006-08-04 | 2008-02-06 | 沈阳博林特电梯有限公司 | Elevator gate lock |
| CN201808983U (en) * | 2010-06-05 | 2011-04-27 | 山东云锦成智能科技有限公司 | Safety protection device for outside unlocking in elevator hall |
| CN202321899U (en) * | 2011-11-27 | 2012-07-11 | 山东宁建建设集团有限公司 | Novel door lock device of floor protection door of constructed elevator |
| CN202808141U (en) * | 2012-08-22 | 2013-03-20 | 佛山市南海裕华建筑机械有限公司 | Mechanical interlocking device of feeding gate of suspension cage of lift |
| CN203392697U (en) * | 2013-07-10 | 2014-01-15 | 嘉兴市华东建设机械有限公司 | Suspension cage safety door interlocking device and suspension cage safety door |
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| PB01 | Publication | ||
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Application publication date: 20131009 |