CN109319626A - A kind of novel elevator hydraulic bjuffer - Google Patents
A kind of novel elevator hydraulic bjuffer Download PDFInfo
- Publication number
- CN109319626A CN109319626A CN201811305853.0A CN201811305853A CN109319626A CN 109319626 A CN109319626 A CN 109319626A CN 201811305853 A CN201811305853 A CN 201811305853A CN 109319626 A CN109319626 A CN 109319626A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- cover
- upper press
- adjusting rod
- hydraulic bjuffer
- 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.)
- Pending
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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
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/282—Structure thereof
Abstract
The invention discloses a kind of novel elevator hydraulic bjuffers, including hydraulic bjuffer matrix, first sleeve, second sleeve, vulcanie collision block, adjusting rod, matrix lower cover, sleeve gland, bottom plate, limited block, compressed spring, reset spring, top cover and upper press cover.First sleeve is located at second sleeve inner hole, form hydraulic cavities, second sleeve is located at hydraulic bjuffer matrix inner hole, form air chamber, adjusting rod is equipped with the groove that depth gradually becomes shallower as from top to bottom, and upper press cover is equipped with venthole, complements each other to form labyrinth seal structure with top cover, vulcanie collision block is inserted in upper press cover, and there are airflow channels after inner hole and the cooperation of upper press cover outer circle.The present invention is realized by elasticity, hydraulic level 2 buffering to the effect of the descending progressive formation of carriage active force, makes carriage stop from fast to slow；Labyrinth seal structure improves the service life of hydraulic oil, and when can prevent buffer from being compressed, and liquid splashes outward through air-flow in buffer.
Description
Technical field
The present invention relates to elevator related equipment technical fields, and in particular to a kind of novel elevator hydraulic bjuffer.
Background technique
Buffer is mounted on the bottom of elevator shaft, when lift car or counterweight fall, can rise buffering to the end,
Stop and protective effect, in order to avoid carriage or counterweight directly hit bottom, adjusting rod used in buffer of elevator is installed on matrix at present
Bottom extends to sleeve, and span is longer, and when buffer is compressed, the stop to car top can only be controlled by shutting off gap
Effect, and it is equipped with venthole on buffer top, in buffer compression, mist of oil is easy to splash out from stomata.
Summary of the invention
The purpose of the present invention is to solve drawbacks described above in the prior art, provide a kind of novel elevator hydraulic cushion
Device.
The purpose of the present invention can be reached by adopting the following technical scheme that:
A kind of novel elevator hydraulic bjuffer, the buffer include hydraulic bjuffer matrix 1, first sleeve 2, second
Sleeve 3,
Centre bore is equipped in the first sleeve 2, the first sleeve 2 is located at 3 inner hole of second sleeve, is formed hydraulic
Chamber 15；The second sleeve 3 is located at 1 inner hole of hydraulic bjuffer matrix, forms air chamber 16；The second sleeve 3 is equipped with
Venthole；
1 top of hydraulic bjuffer matrix is provided with sleeve gland 7, and bottom is provided with bottom plate 8, and being internally provided with can
Up and down matrix lower cover 6；
The top from-inner-to-outer of the first sleeve 2, which is fixedly connected sequentially, upper end cover 12, upper press cover 13 and hard
Rubber collision block 4, the upper press cover 13 are equipped with venthole, cooperate with upper end cover 12, form labyrinth seal structure, described
Upper press cover 13 be inserted in vulcanie collision block 4, there are air-flows after the outer circle cooperation of the inner hole and upper press cover 13 of vulcanie collision block 4
Channel；The bottom of the first sleeve 2 is nested with adjusting rod 5；
The bottom of the adjusting rod 5 is fixed on the matrix lower cover 6, and the top of the adjusting rod 5 is arranged
There is limited block 9, the adjusting rod 5 and limited block 9 are located in the centre bore of the first sleeve 2, the limited block 9
As adjusting rod 5 moves up and down in the centre bore of first sleeve 2；
The outside of the adjusting rod 5 is cased with reset spring 11, and reset spring 11 is located in the hydraulic cavities 15, and sets
It is placed between first sleeve 2 and matrix lower cover 6, first sleeve 2 moves up and down along adjusting rod 5, is answered by reset spring 11
Position limits shift motion by limited block 9 and matrix lower cover 6；
The matrix lower cover 6 and bottom plate 8 is equipped with boss, and compressed spring 10, the pressure are cased with outside two boss
Contracting spring 10 is located in the air chamber 16, and is set between matrix lower cover 6 and bottom plate 8.
Further, the adjusting rod 5 is equipped with groove, and depth gradually becomes shallower as groove from top to bottom.
Further, the top of the first sleeve 2 be equipped with internal screw thread, the upper end cover 12 be equipped with external screw thread, two
Person is connected through a screw thread fixation.
Further, the upper end cover 12 and the upper press cover 13 are respectively equipped with through slot, by using hook spanner
It blocks through slot and screw-threaded coupling is carried out to upper end cover 12 and upper press cover 13 respectively.
Further, the upper press cover 13 is equipped with card slot, is inserted in the two after upper press cover 13 for vulcanie collision block 4
Between fixation.
Further, the inner hole of the vulcanie collision block 4 is greater than the outer circle of the upper press cover 13, cooperates the two
There are airflow clearances afterwards.
Further, the boss of the boss of the matrix lower cover 6 and the bottom plate 8 is for limiting compressed spring 10
Deformation stroke.
Further, the elasticity modulus of the compressed spring 10 is greater than the elasticity modulus of the reset spring 11, institute
When the buffer stated is compressed, the movement speed of the second sleeve 3 is greater than the movement speed of the first sleeve 2, real
In existing buffering course, be first with elastic buffer it is leading, after with hydraulic cushion be leading.
When buffer is compressed, first with elastic buffer be it is leading, gradually deformation occurs for compressed spring 10, first sleeve 2 and
Adjusting rod 5 crosses ebb interval and slowly becomes smaller, after compressed spring 10 is completely in confined state, at this time based on hydraulic cushion
It leads, first sleeve 2 continues to move down, and makes to generate carriage stop active force by controlling ebb interval, two-stage buffering is realized
Process from elastic buffer to hydraulic cushion, to make to tend to linear change to the stop active force of carriage, more steadily.
The present invention has the following advantages and effects with respect to the prior art:
1), the present invention is buffered using hydraulic with elastic two-stage, is first leading, pressure with elastic buffer when buffer is compressed
Gradually deformation occurs for contracting spring, and first sleeve crosses ebb interval with adjusting rod and slowly becomes smaller, and is compressed when compressed spring is completely in
After state, be with hydraulic cushion at this time it is leading, first sleeve continues to move down, by controlled ebb interval make to carriage generate
Stop active force, two-stage buffering realize the process from elastic buffer to hydraulic cushion, better buffering effect can be obtained, make to sedan-chair
The stop active force in compartment tends to linear change, more steadily.
2), the present invention uses labyrinth seal structure, increases the pressure loss of delay when mist of oil is discharged with gas, and is confused
Formula sealing in palace effectively prevents foreign matter and enters cylinder body, the service life of hydraulic oil is improved, meanwhile, it is capable to prevent buffer quilt
When compression, liquid splashes outward through air-flow in buffer, reduces the period safeguarded to buffer.
Detailed description of the invention
Fig. 1 is a kind of cross section structure schematic diagram of novel elevator hydraulic bjuffer disclosed by the invention；
Fig. 2 is a kind of overall structure diagram of novel elevator hydraulic bjuffer disclosed by the invention；
Fig. 3 is the structural schematic diagram of adjusting rod in the embodiment of the present invention, wherein Fig. 3 (a) is the side view of adjusting rod, Fig. 3
(b) be adjusting rod front view；
Fig. 4 is the structural schematic diagram of upper press cover in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of top cover in the embodiment of the present invention；
Wherein, 1--- hydraulic bjuffer matrix, 2--- first sleeve, 3--- second sleeve, 4--- vulcanie collision block,
5--- adjusting rod, 6--- matrix lower cover, 7--- sleeve gland, 8--- bottom plate, 9--- limited block, 10--- compressed spring,
11--- reset spring, 12--- top cover, 13--- upper press cover, 14--- sealing ring, 15--- hydraulic cavities, 16--- air chamber.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, present embodiment discloses a kind of novel elevator hydraulic bjuffers, including hydraulic bjuffer
Matrix 1, first sleeve 2, second sleeve 3, vulcanie collision block 4, adjusting rod 5, matrix lower cover 6, sleeve gland 7, bottom plate 8,
Limited block 9, compressed spring 10, reset spring 11, upper end cover 12 and upper press cover 13,
Centre bore is equipped in the first sleeve 2, the first sleeve 2 is located at 3 inner hole of second sleeve, is formed hydraulic
Chamber 15；The second sleeve 3 is located at 1 inner hole of hydraulic bjuffer matrix, forms air chamber 16；The second sleeve 3 is equipped with
Venthole.
As shown in figure 3, Fig. 3 (a) and Fig. 3 (b) are the side view and front view of adjusting rod respectively, and in figure, the adjusting
Bar 5 is equipped with groove, and depth gradually becomes shallower as groove from top to bottom.
The matrix lower cover 6 and bottom plate 8 is equipped with boss.
The upper press cover 13 is equipped with venthole, cooperates with upper end cover 12, forms labyrinth seal structure, described
Vulcanie collision block 4 can be inserted in upper press cover 13, and there are air-flows to lead to after 4 inner hole of vulcanie collision block and the cooperation of 13 outer circle of upper press cover
Road.The upper press cover 13 and upper end cover 12 is equipped with through slot, and hook spanner can be used to carry out screw-threaded coupling.
2 top of first sleeve is equipped with internal screw thread, and the upper end cover 12 is equipped with external screw thread, and the two is connected by screw thread
Fixation is connect, the upper end cover 12 is equipped with through slot, and hook spanner can be used to carry out screw-threaded coupling to upper end cover 12.
As shown in figure 4,12 centre bore of upper end cover is equipped with internal screw thread, lower end axis at 13 venthole of upper press cover
End is equipped with external screw thread, and the two is connected through a screw thread fixation, forms labyrinth seal structure, and the upper press cover 13 is equipped with through slot,
Hook spanner can be used to carry out screw-threaded coupling to upper press cover 13.
As shown in figure 5, the upper press cover 13 is equipped with card slot, vulcanie collision block 4 is facilitated to be inserted in upper press cover 13, it is described
4 inner hole of vulcanie collision block is greater than 13 outer circle of upper press cover, and there are airflow clearances after cooperating the two.
The adjusting rod 5 is equipped with groove, and depth gradually becomes shallower as groove from top to bottom, and the bottom of the adjusting rod 5 is solid
It is scheduled on matrix lower cover 6, the top of the adjusting rod 5 is provided with limited block 9, and the adjusting rod 5 is set to first sleeve 2
With the inside of reset spring 11, for reset spring 11 between first sleeve 2 and matrix lower cover 6, first sleeve 2 can be along tune
Pole 5 moves up and down, and is resetted by reset spring 11, limits shift motion by limited block 9 and matrix lower cover 6.
The compressed spring 10 between the matrix lower cover 6 and bottom plate 8, the matrix lower cover 6 with
Bottom plate 8 is equipped with boss, and compressed spring 10 is set to outside two boss, and limits 10 deformation stroke of compressed spring by two boss.
10 elasticity modulus of compressed spring is greater than 11 elasticity modulus of reset spring, when buffer is compressed, second set
The movement speed of cylinder 3 is greater than the movement speed of first sleeve 2, realizes in buffering course, first with elastic buffer be it is leading, after with liquid
Pressure buffering is leading.
When buffer is compressed, first with elastic buffer be it is leading, gradually deformation occurs for compressed spring 10, first sleeve 2 and
Adjusting rod 5 crosses ebb interval and slowly becomes smaller, after compressed spring 10 is completely in confined state, at this time based on hydraulic cushion
It leads, first sleeve 2 continues to move down, and makes to generate carriage stop active force by controlling ebb interval, two-stage buffering is realized
Process from elastic buffer to hydraulic cushion, to make to tend to linear change to the stop active force of carriage, more steadily.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (8)
1. a kind of novel elevator hydraulic bjuffer, which is characterized in that the buffer includes hydraulic bjuffer matrix (1),
One sleeve (2), second sleeve (3),
Centre bore is equipped in the first sleeve (2), the first sleeve (2) is located at second sleeve (3) inner hole, forms liquid
It presses chamber (15)；The second sleeve (3) is located at hydraulic bjuffer matrix (1) inner hole, is formed air chamber (16)；Described second
Sleeve (3) is equipped with venthole；
Described hydraulic bjuffer matrix (1) top is provided with sleeve gland (7), and bottom is provided with bottom plate (8), is internally provided with
Matrix lower cover (6) movable up and down；
The top from-inner-to-outer of the first sleeve (2), which is fixedly connected sequentially, upper end cover (12), upper press cover (13) and hard
Matter rubber collision block (4), the upper press cover (13) are equipped with venthole, cooperate with upper end cover (12), form labyrinth sealing
Structure, the upper press cover (13) are inserted in vulcanie collision block (4), inner hole and upper press cover (13) of vulcanie collision block (4)
There are airflow channels after outer circle cooperation；The bottom of the first sleeve (2) is nested with adjusting rod (5)；
The bottom of the adjusting rod (5) is fixed on the matrix lower cover (6), and the top of the adjusting rod (5) is set
It is equipped with limited block (9), the adjusting rod (5) and limited block (9) are located in the centre bore of the first sleeve (2), institute
The limited block (9) stated moves up and down in the centre bore of first sleeve (2) with adjusting rod (5)；
The outside of the adjusting rod (5) is cased with reset spring (11), and reset spring (11) is located in the hydraulic cavities (15),
And be set between first sleeve (2) and matrix lower cover (6), first sleeve (2) moves up and down along adjusting rod (5), by resetting
Spring (11) is resetted, and limits shift motion by limited block (9) and matrix lower cover (6)；
The matrix lower cover (6) and bottom plate (8) is equipped with boss, is cased with outside two boss compressed spring (10), described
Compressed spring (10) is located in the air chamber (16), and is set between matrix lower cover (6) and bottom plate (8).
2. a kind of novel elevator hydraulic bjuffer according to claim 1, which is characterized in that the adjusting rod (5) is set
There is groove, depth gradually becomes shallower as groove from top to bottom, when gradually deformation occurs for the compressed spring (10), the first set
Cylinder (2) and the ebb interval of crossing of adjusting rod (5) slowly become smaller.
3. a kind of novel elevator hydraulic bjuffer according to claim 1, which is characterized in that the first sleeve (2)
Top be equipped with internal screw thread, the upper end cover (12) is equipped with external screw thread, and the two is connected through a screw thread fixation.
4. a kind of novel elevator hydraulic bjuffer according to claim 1, which is characterized in that the upper end cover (12) and
The upper press cover (13) is respectively equipped with through slot, blocks through slot respectively to upper end cover (12) and upper press cover by using hook spanner
(13) screw-threaded coupling is carried out.
5. a kind of novel elevator hydraulic bjuffer according to claim 1, which is characterized in that the upper press cover (13) is set
There is card slot, is inserted in the fixation after upper press cover (13) between the two for vulcanie collision block (4).
6. a kind of novel elevator hydraulic bjuffer according to claim 1, which is characterized in that the vulcanie collision block
(4) inner hole is greater than the outer circle of the upper press cover (13), and there are airflow clearances after cooperating the two.
7. a kind of novel elevator hydraulic bjuffer according to claim 1, which is characterized in that the matrix lower cover
(6) boss of boss and the bottom plate (8) is for limiting compressed spring (10) deformation stroke.
8. a kind of novel elevator hydraulic bjuffer according to claim 1, which is characterized in that the compressed spring (10)
Elasticity modulus be greater than the reset spring (11) elasticity modulus, when the buffer is compressed, described second set
The movement speed of cylinder (3) is greater than the movement speed of the first sleeve (2), realizes in buffering course, is first with elastic buffer
It is leading, after with hydraulic cushion be leading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305853.0A CN109319626A (en) | 2018-11-05 | 2018-11-05 | A kind of novel elevator hydraulic bjuffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305853.0A CN109319626A (en) | 2018-11-05 | 2018-11-05 | A kind of novel elevator hydraulic bjuffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109319626A true CN109319626A (en) | 2019-02-12 |
Family
ID=65260125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811305853.0A Pending CN109319626A (en) | 2018-11-05 | 2018-11-05 | A kind of novel elevator hydraulic bjuffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109319626A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109775509A (en) * | 2019-02-25 | 2019-05-21 | 朱爱民 | A kind of anti-rebound emergency protective device of self-adaptation type elevator |
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| CN101008426A (en) * | 2007-01-12 | 2007-08-01 | 清华大学 | Linear anti-deflection double-chamber air-spring |
| CN101597003A (en) * | 2008-06-04 | 2009-12-09 | 株式会社日立制作所 | Hydraulic damper for elevator |
| CN203189394U (en) * | 2013-03-18 | 2013-09-11 | 江苏恒才液压机械制造有限公司 | Single outlet rod hydraulic cylinder rodless cavity throttling buffer device |
| CN103542147A (en) * | 2013-09-25 | 2014-01-29 | 浙江吉利控股集团有限公司 | Vent valve structure |
| CN104564233A (en) * | 2013-10-08 | 2015-04-29 | Ge延巴赫两合无限公司 | Oil mist separator |
| CN205709306U (en) * | 2016-04-05 | 2016-11-23 | 康达电梯有限公司 | A kind of buffer of elevator device |
| CN208037772U (en) * | 2018-03-22 | 2018-11-02 | 广东精创机械制造有限公司 | A kind of service-strong buffer of elevator |
| CN209275924U (en) * | 2018-11-05 | 2019-08-20 | 广州广日电梯工业有限公司 | A kind of novel elevator hydraulic bjuffer |
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2018
- 2018-11-05 CN CN201811305853.0A patent/CN109319626A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51105580A (en) * | 1975-11-28 | 1976-09-18 | Hitachi Ltd | OIRUBATSUFUA |
| JPS53145090U (en) * | 1977-04-20 | 1978-11-15 | ||
| US6698559B1 (en) * | 2003-01-21 | 2004-03-02 | Wen-Guey Liou | Hydraulic damping device |
| CN1922091A (en) * | 2004-09-21 | 2007-02-28 | 三菱电机株式会社 | Cushioning device for elevator |
| CN1978936A (en) * | 2005-12-09 | 2007-06-13 | 中国船舶重工集团公司第七一○研究所 | Flow-throttling hole hydraulic buffer |
| CN101008426A (en) * | 2007-01-12 | 2007-08-01 | 清华大学 | Linear anti-deflection double-chamber air-spring |
| CN101597003A (en) * | 2008-06-04 | 2009-12-09 | 株式会社日立制作所 | Hydraulic damper for elevator |
| CN203189394U (en) * | 2013-03-18 | 2013-09-11 | 江苏恒才液压机械制造有限公司 | Single outlet rod hydraulic cylinder rodless cavity throttling buffer device |
| CN103542147A (en) * | 2013-09-25 | 2014-01-29 | 浙江吉利控股集团有限公司 | Vent valve structure |
| CN104564233A (en) * | 2013-10-08 | 2015-04-29 | Ge延巴赫两合无限公司 | Oil mist separator |
| CN205709306U (en) * | 2016-04-05 | 2016-11-23 | 康达电梯有限公司 | A kind of buffer of elevator device |
| CN208037772U (en) * | 2018-03-22 | 2018-11-02 | 广东精创机械制造有限公司 | A kind of service-strong buffer of elevator |
| CN209275924U (en) * | 2018-11-05 | 2019-08-20 | 广州广日电梯工业有限公司 | A kind of novel elevator hydraulic bjuffer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109775509A (en) * | 2019-02-25 | 2019-05-21 | 朱爱民 | A kind of anti-rebound emergency protective device of self-adaptation type elevator |
| CN109775509B (en) * | 2019-02-25 | 2020-12-08 | 朱爱民 | Self-adaptive type emergency protection device for preventing rebounding of elevator |
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