CN104609278A - Elevator buffering system having damp recovery function - Google Patents
Elevator buffering system having damp recovery function Download PDFInfo
- Publication number
- CN104609278A CN104609278A CN201410710397.3A CN201410710397A CN104609278A CN 104609278 A CN104609278 A CN 104609278A CN 201410710397 A CN201410710397 A CN 201410710397A CN 104609278 A CN104609278 A CN 104609278A
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- CN
- China
- Prior art keywords
- elevator
- buffering
- piston rod
- reduction
- damp
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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
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/282—Structure thereof
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses an elevator buffering system having a damp recovery function. The elevator buffering system comprises a buffering module and a damp recovery module. The buffering module is used for preventing rigid bottoming of an elevator car. The damp recovery module comprises a cylinder body, a damp piston and a piston rod fixedly connected with the damp piston, the piston rod is connected with the buffering module within a springback stroke after the buffering module is compressed by the elevator car, and the damp piston performs damp recovery on the buffering module. The elevator buffering system plays a springback speed limiting role on connection of the damp recovery module before elevator bottoming buffering is completed. Due to the damp recovery module, a buffering stroke and elastic coefficient of the buffering module can be further increased. Therefore, buffering can be slowly achieved, quick springback is avoided by utilizing damp recovery after buffering, and final buffering effect is ensured. The safety accident caused by secondary springback due to too large elastic coefficient or to long compression stroke of the buffering spring is avoided.
Description
Technical field
The present invention relates to a kind of special safety equipment system, special type relates to the safety system that a kind of cage type elevator touches the end.
Background technology
Cage type elevator is a kind of vehicle solving vertical transport, is closely connected with daily life; Existing cage type elevator, primarily of formations such as towing machine, control housing, car, guide rails, realizes uplink and downlink comparatively rapidly; In order to realize uplink and downlink and install relevant device, use the place meeting type of construction elevators hoistway of cage type elevator at building or other, to realize trouble-free operation.
The uplink and downlink of cage type elevator are generally realized by mechanical force traction, structure is comparatively complicated, due to environment for use, cycle and the problem such as ageing equipment, quality, lift car all can be caused to drop without when constraint or finite constraint, there is comparatively serious safety problem.In prior art, cause serious danger in order to solve by (directly dropping to shaft bottom) at the bottom of car rigid touch to occupant, shock absorber is set at shaft bottom; Be hydraulic cushion for express elevator shock absorber, slower elevators is then generally adopted to the structure of recoil spring, and so consider the mainly elasticity modulus of spring, the relation between stroke and car, if elastic force is excessive, then larger bounce can be carried out, cause larger injury, therefore, express elevator then can not adopt the spring that elasticity modulus is larger; And in fact, for express elevator, due to speed, and adding Action of Gravity Field, the buffering of hydraulic cushion has comparatively slow, still can produce comparatively serious rigid collision, thus cause the accident.
Therefore, need to improve existing elevator cushion structure, be suitable for all cage type elevators to use, when elevator accident touches the end, compression buffering mild, gradually and return can be ensured, avoid because the elasticity modulus of recoil spring is excessive or compression stroke is long and secondary that is that cause the rebounds safety misadventure caused.
Summary of the invention
In view of this, object of the present invention provides a kind of elevator cushion system with reduction damping, be suitable for all cage type elevators to use, when elevator accident touches the end, compression buffering mild, gradually and return can be ensured, avoid because the elasticity modulus of recoil spring is excessive or compression stroke is long and secondary that is that cause the rebounds safety misadventure caused.
The elevator cushion system with reduction damping of the present invention, comprises Buffer Unit and reduction damper assembly;
Described Buffer Unit is fixedly installed on bottom elevator for preventing at the bottom of elevator car rigid touch;
The piston rod that described reduction damper assembly comprises cylinder body, damping piston and is fixedly connected with damping piston, described piston rod engages with Buffer Unit after Buffer Unit is compressed by elevator car between rebound stroke, forms reduction damping by damping piston to Buffer Unit.
Further, described Buffer Unit comprises the recoil spring be arranged on basis and the dash plate being supported in recoil spring top, and described dash plate is just to bottom elevator car;
Further, relatively with piston rod on described dash plate, be provided with orienting sleeve and the reduction dumping force fastener for engaging with piston rod, described orienting sleeve is axially directed mode can be coated at piston rod, described reduction dumping force fastener to be compressed between rebound stroke by elevator car at recoil spring and to engage with piston rod, and described piston normality is close to cylinder base;
Further, reduction dumping force fastener is the engaging lever be articulated with in the mode that can radially wobble along piston rod on dash plate, engaging lever lower end is provided with the joint boss extended internally, described piston rod has for after engaging lever is descending with the engagement groove engaging boss and formed hasp; Described orienting sleeve is provided with the groove that at least can be used for radial through engaging boss;
Further, by gravity vertically downward, joint boss extends inward into orienting sleeve and extended distance enables joint boss inner end stretch into engagement groove for engaging lever; Described orienting sleeve becomes spacing in the tangential of orienting sleeve to joint boss shape for the groove by engaging boss.
Further, described joint boss lower surface is the acclivitous inclined-plane of ecto-entad, and described piston rod top is frustum structure;
Further, described engagement groove is the circular groove around piston rod;
Further, the lower edge of described engagement groove is lower than the axial location engaging boss during recoil spring limited compression.
Beneficial effect of the present invention: the elevator cushion system with reduction damping of the present invention, adopt the structure that buffering spring component combines with reduction damper assembly, touch bottom buffering at car and terminate the effect that pre reduction damper assembly engages the speed playing restriction resilience, ensure mild resilience, and utilize Buffer Unit to realize downstream buffer, due to the existence of reduction damper assembly, also can increase cushion stroke and the elasticity modulus of Buffer Unit, the realization buffering that thus can more relax, utilize reduction damping to avoid quick resilience after buffering, ensure final buffering effect; Therefore, this structure is suitable for all cage type elevators and uses, when elevator accident touches the end, compression buffering mild, gradually and return can be ensured, avoid because the elasticity modulus of recoil spring is excessive or compression stroke is long and secondary that is that cause the rebounds safety misadventure caused.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Fig. 1 is structural representation of the present invention, as shown in the figure: the elevator cushion system with reduction damping of the present embodiment, comprises Buffer Unit and reduction damper assembly;
Described Buffer Unit is fixedly installed on bottom elevator for preventing at the bottom of elevator car 1 rigid touch;
The piston rod 12 that described reduction damper assembly comprises cylinder body 9, damping piston 10 and is fixedly connected with damping piston 10, described piston rod 12 engages with Buffer Unit after Buffer Unit is compressed by elevator car 1 between rebound stroke, form reduction damping by damping piston 10 pairs of Buffer Units, reduction damping refers to being formed damping by during reduction distortion after compressing; The mode that piston rod 12 engages with the Buffer Unit mode that mechanical automatic locking button, electromagnetism can be adopted to engage etc., certainly, electromagnetism engages to be needed gather data and automatically control, and does not repeat them here; As shown in the figure, damping piston 10 has damping hole (setting size and number as required), be full of the damping liquid such as fluid or magnetic flow liquid in cylinder body, when piston moves under external force, damping liquid passes through by means of only damping hole, stroke damping; Buffer Unit generally adopts spring to realize; As shown in the figure, cylinder body 9 is embedded among basis 8, and top is sealed by cylinder cap 11, and cylinder cap 11 is sealedly attached to cylinder body by the holding-down bolt 7 be embedded on basis 8.
In the present embodiment, described Buffer Unit comprises the recoil spring 3 be arranged on basis and the dash plate 15 being supported in recoil spring top, and described dash plate 15 is just to bottom elevator car; Basis 8 refers to the basis of the installation into Buffer Unit; As shown in the figure, basis being also provided with the spring perch 6 for installing recoil spring 3, can be used for maximum compression stroke and the limited compression position of regulating spring 3; The quantity of recoil spring 3 can be installed as required, is generally more than three along the circumferential direction uniform settings; Dash plate 15 can adopt guidepost to install with recoil spring 3 top to coordinate and weld, and avoids departing from when buffering or bounce-back.
In the present embodiment, relatively with piston rod 12 on described dash plate 15, be provided with orienting sleeve 4 and the reduction dumping force fastener 14 for engaging with piston rod 12, described orienting sleeve 4 is axially directed mode can be coated at piston rod 12, described reduction dumping force fastener to be compressed between rebound stroke by elevator car 1 at recoil spring 3 and to engage with piston rod 12, and described piston 10 normality is close to bottom cylinder body 9; This structure can ensure that dash plate 15 is stablized descending at recoil spring 3 after being compressed, and ensures that reduction dumping force fastener 14 aligns joint with piston rod 12.
In the present embodiment, reduction dumping force fastener 14 is the engaging lever be articulated with in the mode that can radially wobble along piston rod 12 on dash plate 15, engaging lever lower end is provided with the joint boss 13 extended internally, described piston rod 12 has for after engaging lever is descending with the engagement groove 5 engaging boss 13 and formed hasp; Described orienting sleeve 4 is provided with the groove 2 that at least can be used for radial through engaging boss 13; The elastic force Compress Spring of recoil spring 3 is overcome under the effect that dash plate falls at lift car, engage boss 13 when lift car 1 drops to desired location and embed engagement groove 5, the position that now piston rod 12 contacts with joint boss 13 has inclination, to produce radially outer component, set back at joint boss place after making engaging lever outwards and make joint boss embed engagement groove; This setpoint distance, generally close to the limited compression position of recoil spring, to give full play to the buffering of spring, extends compression stroke.
In the present embodiment, by gravity vertically downward, joint boss 13 extends inward into orienting sleeve and extended distance enables joint boss 13 inner end stretch into engagement groove 5 for engaging lever; Described orienting sleeve 4 becomes spacing, the tangential direction that tangentially refer to along the circumferential direction of orienting sleeve 4 in the tangential of orienting sleeve 4 to joint boss shape for the groove by engaging boss; Structure is simple and easy for installation, and ensures to engage the Engage and disengage between boss 13 and engagement groove 5, avoids deviation occurs, particularly reduction damping process upon engagement, prevents from throwing off thus avoiding losing dumping force.
In the present embodiment, described joint boss 13 lower surface is the acclivitous inclined-plane of ecto-entad, and described piston rod 12 top is frustum structure; The structure that frustum structure and inclined-plane combine can ensure to produce radially outer component in the moment contacted, and avoids disturbing, thus makes engaging process smooth and easy.
In the present embodiment, described engagement groove 5 is the circular groove around piston rod; Processing simply and easily engage, is avoided because the engage position that causes of the rotation of piston rod 12 is not corresponding.
In the present embodiment, the lower edge of described engagement groove 5 is lower than the axial location engaging boss 13 during recoil spring 3 limited compression, avoid engaging boss 13 and exceed engagement groove 5 in descending process, prevent the rigid contact that there is no need, thus avoid the damage of generation part.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (8)
1. there is an elevator cushion system for reduction damping, it is characterized in that: comprise Buffer Unit and reduction damper assembly;
Described Buffer Unit is fixedly installed on bottom elevator for preventing at the bottom of elevator car rigid touch;
The piston rod that described reduction damper assembly comprises cylinder body, damping piston and is fixedly connected with damping piston, described piston rod engages with Buffer Unit after Buffer Unit is compressed by elevator car between rebound stroke, forms reduction damping by damping piston to Buffer Unit.
2. the elevator cushion system with reduction damping according to claim 1, is characterized in that: described Buffer Unit comprises the recoil spring be arranged on basis and the dash plate being supported in recoil spring top, and described dash plate is just to bottom elevator car.
3. the elevator cushion system with reduction damping according to claim 2, it is characterized in that: relatively with piston rod on described dash plate, be provided with orienting sleeve and the reduction dumping force fastener for engaging with piston rod, described orienting sleeve is axially directed mode can be coated at piston rod, described reduction dumping force fastener to be compressed between rebound stroke by elevator car at recoil spring and to engage with piston rod, and described piston normality is close to cylinder base.
4. the elevator cushion system with reduction damping according to claim 3, it is characterized in that: reduction dumping force fastener is the engaging lever be articulated with in the mode that can radially wobble along piston rod on dash plate, engaging lever lower end is provided with the joint boss extended internally, described piston rod has for after engaging lever is descending with the engagement groove engaging boss and formed hasp; Described orienting sleeve is provided with the groove that at least can be used for radial through engaging boss.
5. the elevator cushion system with reduction damping according to claim 4, is characterized in that: by gravity vertically downward, joint boss extends inward into orienting sleeve and extended distance enables joint boss inner end stretch into engagement groove for engaging lever; Described orienting sleeve becomes spacing in the tangential of orienting sleeve to joint boss shape for the groove by engaging boss.
6. the elevator cushion system with reduction damping according to claim 4, is characterized in that: described joint boss lower surface is the acclivitous inclined-plane of ecto-entad, and described piston rod top is frustum structure.
7. the elevator cushion system with reduction damping according to claim 4, is characterized in that: described engagement groove is the circular groove around piston rod.
8. the elevator cushion system with reduction damping according to claim 4, is characterized in that: the lower edge of described engagement groove is lower than the axial location engaging boss during recoil spring limited compression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410710397.3A CN104609278B (en) | 2014-11-30 | 2014-11-30 | There is the elevator cushion system of reduction damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410710397.3A CN104609278B (en) | 2014-11-30 | 2014-11-30 | There is the elevator cushion system of reduction damping |
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| Publication Number | Publication Date |
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| CN104609278A true CN104609278A (en) | 2015-05-13 |
| CN104609278B CN104609278B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410710397.3A Active CN104609278B (en) | 2014-11-30 | 2014-11-30 | There is the elevator cushion system of reduction damping |
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| CN (1) | CN104609278B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105883522A (en) * | 2016-06-12 | 2016-08-24 | 爱默生电梯有限公司 | Improved anti-stall lifesaving elevator |
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| JPS5671543U (en) * | 1980-10-01 | 1981-06-12 | ||
| JP2001151435A (en) * | 1999-11-25 | 2001-06-05 | Hitachi Ltd | Elevator shock absorber and elevator |
| CN1460632A (en) * | 2002-05-21 | 2003-12-10 | 三菱电机株式会社 | Elevator buffer |
| JP2005172128A (en) * | 2003-12-11 | 2005-06-30 | Mitsubishi Electric Corp | Oil-filled shock absorber |
| CN1668523A (en) * | 2002-07-16 | 2005-09-14 | 奥蒂斯电梯公司 | Conical spring buffer for an elevator |
| JP2008297113A (en) * | 2007-06-04 | 2008-12-11 | Mitsubishi Electric Corp | Oil-filled shock absorbing device of elevator |
| JP2013001481A (en) * | 2011-06-14 | 2013-01-07 | Mitsubishi Electric Corp | Oil-filled buffer of elevator |
| CN203513023U (en) * | 2013-09-07 | 2014-04-02 | 成都市佳晋建筑材料有限公司 | Elevator shock pad |
| CN104590968A (en) * | 2014-11-30 | 2015-05-06 | 重庆和航科技股份有限公司 | Reducing damping type safe elevator system |
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2014
- 2014-11-30 CN CN201410710397.3A patent/CN104609278B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5671543U (en) * | 1980-10-01 | 1981-06-12 | ||
| JP2001151435A (en) * | 1999-11-25 | 2001-06-05 | Hitachi Ltd | Elevator shock absorber and elevator |
| CN1460632A (en) * | 2002-05-21 | 2003-12-10 | 三菱电机株式会社 | Elevator buffer |
| CN1668523A (en) * | 2002-07-16 | 2005-09-14 | 奥蒂斯电梯公司 | Conical spring buffer for an elevator |
| JP2005172128A (en) * | 2003-12-11 | 2005-06-30 | Mitsubishi Electric Corp | Oil-filled shock absorber |
| JP2008297113A (en) * | 2007-06-04 | 2008-12-11 | Mitsubishi Electric Corp | Oil-filled shock absorbing device of elevator |
| JP2013001481A (en) * | 2011-06-14 | 2013-01-07 | Mitsubishi Electric Corp | Oil-filled buffer of elevator |
| CN203513023U (en) * | 2013-09-07 | 2014-04-02 | 成都市佳晋建筑材料有限公司 | Elevator shock pad |
| CN104590968A (en) * | 2014-11-30 | 2015-05-06 | 重庆和航科技股份有限公司 | Reducing damping type safe elevator system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105883522A (en) * | 2016-06-12 | 2016-08-24 | 爱默生电梯有限公司 | Improved anti-stall lifesaving elevator |
| CN105883522B (en) * | 2016-06-12 | 2018-09-25 | 爱默生电梯有限公司 | A kind of follow-on stall proof lifesaving elevator |
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| Publication number | Publication date |
|---|---|
| CN104609278B (en) | 2017-03-15 |
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Effective date of registration: 20200928 Address after: New Jing Zhong Yang She Zhen Tang Suzhou City, Jiangsu province 215600 city of Zhangjiagang City, room 5 No. 10-1 Patentee after: ZHANGJIAGANG OUWEI AUTOMATION RESEARCH AND DEVELOPMENT Co.,Ltd. Address before: Jiulongpo Branch Park four street 400039 Chongqing City No. 52 standard factory building 3 floor K Patentee before: CHONGQING HEHANG TECHNOLOGY Co.,Ltd. |