CN106744148A - Liquid phase two-pass buffer of elevator - Google Patents
Liquid phase two-pass buffer of elevator Download PDFInfo
- Publication number
- CN106744148A CN106744148A CN201710070504.4A CN201710070504A CN106744148A CN 106744148 A CN106744148 A CN 106744148A CN 201710070504 A CN201710070504 A CN 201710070504A CN 106744148 A CN106744148 A CN 106744148A
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- China
- Prior art keywords
- cylinder
- inert gas
- cylinder body
- inner cylinder
- cylinder liner
- Prior art date
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/061—Mono-tubular units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
- F16F9/3242—Constructional features of cylinders of cylinder ends, e.g. caps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/43—Filling or drainage arrangements, e.g. for supply of gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2224/00—Materials; Material properties
- F16F2224/04—Fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0023—Purpose; Design features protective
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
A kind of liquid phase two-pass buffer of elevator, including cylinder body, inner cylinder liner and cylinder post, cylinder cap is set at the top of cylinder body, bottom sets base, the upper lateral part of cylinder body sets inert gas and introduces interface, inner casing is set in cylinder body, inner cylinder liner has interior hydraulic fluid chamber, space between the outer wall of inner cylinder liner and the inwall of cylinder body is configured to oil storage chamber, and the circumferencial direction interval around inner cylinder liner wall body on the inner cylinder liner wall body of the bottom of the short transverse of inner cylinder liner offers damping hole, the lower end of cylinder post probes into interior hydraulic fluid chamber, the upper end of cylinder post leans out cylinder cap, inert gas introduces interface and is communicated with oil storage chamber, interface is introduced by the inert gas introduce inert gas to the top of oil storage chamber, feature:Bidirectional electromagnetic valve and inert gas feed mechanism are also included, bidirectional electromagnetic valve is serially connected between interior hydraulic fluid chamber and oil storage chamber in the position of the bottom corresponding to cylinder body, inert gas feed mechanism introduces interface and is connected with inert gas.The role transforming requirement of reply elevator difference operating mode can be met.
Description
Technical field
The invention belongs to elevator safety facility technology field, and in particular to a kind of liquid phase two-pass buffer of elevator.
Background technology
For oblique elevator, lift car can use conventional buffer under the side enabling situation of running orbit,
And under the front enabling situation of running orbit, just there is lance in the level position of enabling and the safeguard protection position of buffer between
Shield, that is to say, that lift car never allows more layer to go to collide buffer in leveling zone, and according to specification, even if buffer
90% is have compressed, also needs to leave 0.1 ± 0.035V2(Rice)Guidance get over sheaf space(Reference can be made to GB7588-2003).It follows that
According to elevator working condition requirement:In normal operation, buffer should not work elevator, and only when elevator is out of control or buffer
Control unit predict elevator under unmoderated state enter end station protection zone when, then buffer plays a role in time.By
This proposes two kinds of working condition requirements to buffer:First, when elevator is in normal operating condition, buffer is in the first stroke work
Condition;Elevator is for example rushed to summit or falls bottom in abnormal running(Also referred to as " pendant hole ")During the state of trend, buffer is in the second row
Journey operating mode, the second stroke operating mode is safeguard protection operating mode.The first foregoing stroke operating mode can be regarded as buffer and be played the part of
One of role;The second foregoing stroke operating mode can be regarded as the two of buffer institute role.
By described above, if buffer can be made to realize role transforming, then foregoing problems are just addressed, institute
The role transforming of meaning refers to:When under operating mode of the elevator in normal operation, buffer do not have an effect and can consider its just as
It is illusory;When elevator is out of control or independent control unit of buffer predicts elevator and enters end station under non-deceleration regime, then speed is
Develop into qualified buffer and play corresponding positive role.
The technical information of buffer of elevator, such as invention patent mandate notification number can be seen in disclosed Chinese patent literature
CN102649524B recommends have " hydraulic damper for elevator ", and the patent formula is relative to WO2009/028100 and Unexamined Patent
6-298470 objectively has the technique effect described in specification, but due to having used back-moving spring, thus over time
Passage, the problem of the antifatigue low degree of back-moving spring can appear gradually.
A kind of typical " hydraulic buffer of gas reset throttling hole for elevator " provided such as CN202175486U, its entirety
Technical scheme can be found in the 0003rd section of specification.Because the patent has abandoned back-moving spring, hydraulic cushion is reduced in structure
The size of device, has saved space;And hydraulic oil is placed under the protection of inert gas, the rotten anxiety of non-oxidation is protected
Demonstrate,prove the stabilization of shock-absorbing capacity;Hydraulic oil will not lose all the time in oil cylinder in buffering course(The 0004th section of specification).
Although being not limited to two patents exemplified above has original strong point, applicant cannot be embodied above
" role transforming " said.For this applicant has made beneficial design, technical scheme described below is this
Produced under background.
The content of the invention
Task of the invention is to provide a kind of when elevator does not produce cushioning effect under normal operating condition, and all
During such as situation that is out of control and not slowing down etc into end station, can speed give play to preferable cushioning effect and use satisfaction reply
The liquid phase two-pass buffer of elevator of role transforming requirement during elevator difference operating mode.
What task of the invention was performed by, a kind of liquid phase two-pass buffer of elevator, including a cylinder body, in one
Cylinder sleeve and a cylinder post, are provided with a cylinder cap at the top of cylinder body, and the bottom of cylinder body is provided with a base, and in cylinder body
Upper lateral part is provided with an inert gas and introduces interface, and inner casing is set in cylinder body, and the inner cylinder liner has hydraulic fluid chamber in, interior
Space between the outer wall of cylinder sleeve and the inwall of cylinder body is configured to oil storage chamber, and in the bottom of the short transverse of inner cylinder liner
Cylinder sleeve wall body upper measurement around inner cylinder liner wall body circumferencial direction interval offer damping hole, by the damping hole by interior hydraulic fluid chamber with
Oil storage chamber is communicated, and the lower end of cylinder post probes into interior hydraulic fluid chamber, and the upper end of cylinder post leans out cylinder cap, and described inert gas is introduced and connect
Mouth is communicated with the oil storage chamber, and introduce interface by the inert gas introduces inert gas to the top of oil storage chamber, is characterised by
Also include a bidirectional electromagnetic valve and an inert gas feed mechanism, position of the bidirectional electromagnetic valve in the bottom corresponding to the cylinder body
Put and be serially connected between the interior hydraulic fluid chamber and the oil storage chamber, inert gas feed mechanism introduces interface with the inert gas
Connection.
In a specific embodiment of the invention, cylinder body sealing ring is provided with described cylinder cap outer wall, the cylinder
Body sealing ring coordinates with the inner wall sealing of the cylinder body, and an inner cylinder liner sealing ring and a cylinder are provided with the inwall of cylinder cap
Column sealing circle, inner cylinder liner sealing ring is sealed with the top of the inner cylinder liner and coordinated, and cylinder column sealing circle is matched somebody with somebody with the cylinder column sealing
Close.
In another specific embodiment of the invention, the edge position of the cylinder cap is provided with cylinder body and fixes
Screw, the cylinder body fixing screws are fixed with the top end face of the cylinder body.
In another specific embodiment of the invention, being constituted in the upper end of the cylinder post has greater diameter than cylinder post
The buffer head of diameter, and the circumferencial direction in the lower end of cylinder post and around cylinder post offers an inner cylinder liner seal groove, at this
An inner cylinder liner sealing ring is provided with inner cylinder liner seal groove, the inner cylinder liner sealing ring is matched somebody with somebody with the inner wall sealing of the inner cylinder liner
Close.
In another specific embodiment of the invention, it is fixed with horizontality in the side of the bottom of the cylinder body
One fuel inlet fitting, and the opposite side in the bottom of cylinder body is equally fixed with a delivery connection with horizontality, should be into and out of oily joint
Correspond to each other, and fuel inlet fitting is communicated with the oil storage chamber, and delivery connection is communicated with the interior hydraulic fluid chamber, described is double
It is serially connected between fuel inlet fitting and delivery connection to magnetic valve.
Also have a specific embodiment of the invention, described bidirectional electromagnetic valve have a magnetic valve oil inlet and
One electromagnetic valve oil return mouthful, magnetic valve oil inlet is connected by oil inlet pipeline with described fuel inlet fitting, and magnetic valve oil-out leads to
Oil-out pipeline is crossed to be connected with the delivery connection.
Of the invention more and in a specific embodiment, on the base and around between the circumferencial direction of base
Separate and be provided with base fixed installation hole.
In an of the invention and then specific embodiment, described inert gas feed mechanism includes an inert gas
Tank and a pressure gauge, are provided with an inert gas supply valve interface, the inert gas supply valve interface and institute on inert gas tank
The inert gas stated introduces interface and connects, and pressure gauge is with being connected on inert gas supply valve interface.
Of the invention and more and in a specific embodiment, the outer wall of the end of interface is introduced in the inert gas
Upper composition connects external screw thread, and is constituted on the inwall of the end of the inert gas supply valve interface and connect internal thread,
This connects internal thread and is connected with external screw thread screw thread is connected.
It is of the invention and and then a specific embodiment in, described inert gas is nitrogen.
The technical scheme that the present invention is provided due to the bottom corresponding to cylinder body and interior hydraulic fluid chamber and oil storage chamber it
Between concatenated a bidirectional electromagnetic valve, thus the bidirectional electromagnetic valve is in opening when elevator is in the operating mode of normal operation,
Whole buffer is in the first stroke operating mode, and when elevator abnormal running occurs if any rushing to summit or falling hole trend, two-way electricity
Magnet valve is closed, and whole buffer is in the second stroke operating mode and can play preferable cushioning effect, so as to meet
The role transforming requirement of reply elevator difference operating mode.
Brief description of the drawings
Fig. 1 is embodiments of the invention structure chart.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the first application examples schematic diagram of the invention.
Fig. 4 is the second application examples schematic diagram of the invention.
Specific embodiment
In order to be more clearly understood from technical spirit of the invention and beneficial effect, applicant is below with embodiment
Mode elaborate, but be not the limitation to the present invention program to the description of embodiment, it is any according to structure of the present invention
Think done only formal rather than substantial equivalent transformation and be regarded as technical scheme category.
In the following description it is every be related to upper and lower, left and right, the directionality of front and rear or directionality concept be all
For according to the location of the figure being described state, thus the technical side provided the present invention can not be understood as
Case is particularly limited to.
Embodiment:
Fig. 1 and Fig. 2 is referred to, a cylinder body 1, an inner cylinder liner 2 and a cylinder post 3 is shown, the top of cylinder body 1 is provided with a cylinder cap
11, and the bottom of cylinder body 1 is provided with a base 12, and upper lateral part in cylinder body 1 is provided with an inert gas and introduces interface
13, inner cylinder liner 2 is arranged in cylinder body 1, and the inner cylinder liner 2 has hydraulic fluid chamber 21 in, and the outer wall of inner cylinder liner 2 is interior with cylinder body 1
Space between wall is configured to oil storage chamber 4, and around inner casing on the inner cylinder liner wall body of the bottom of the short transverse of inner cylinder liner 2
The circumferencial direction interval for covering wall body offers damping hole 22(Alternatively referred to as " throttle orifice "), by the damping hole 22 by interior hydraulic oil
Chamber 21 communicates with oil storage chamber 4, and the lower end of cylinder post 3 probes into interior hydraulic fluid chamber 21, and the upper end of cylinder post 3 leans out cylinder cap 11, foregoing
Inert gas introduces interface 13 and is communicated with foregoing oil storage chamber 4, and introduce interface 13 by the inert gas draws to the top of oil storage chamber 4
Enter inert gas.
The technical essential of the technical scheme provided as the present invention, the structure of foregoing liquid phase two-pass buffer of elevator
System also includes a bidirectional electromagnetic valve 5 and an inert gas feed mechanism 6, and bidirectional electromagnetic valve 5 is under corresponding to foregoing cylinder body 1
The position in portion is serially connected between foregoing interior hydraulic fluid chamber 21 and foregoing oil storage chamber 4, inert gas feed mechanism 6 and foregoing indifferent gas
Body introduces interface 13 and connects.
Cylinder body sealing ring 111 is provided with the foregoing outer wall of cylinder cap 11, the cylinder body sealing ring 111 and foregoing cylinder body 1
Inner wall sealing coordinates, and an inner cylinder liner sealing ring 112 and a cylinder column sealing circle 113 are provided with the inwall of cylinder cap 11, interior
Cylinder liner packing ring 112 is sealed with the top of foregoing inner cylinder liner 2 and coordinated, and cylinder column sealing circle 113 is sealed with foregoing cylinder post 3 and coordinated.
As shown in Figure 1, the edge position of foregoing cylinder cap 11 is provided with cylinder body fixing screws 114, the cylinder body is fixed
The top end face of screw 114 and foregoing cylinder body 1(That is top end face)It is fixed.
The buffer head 31 having greater diameter than the diameter of cylinder post 3 is constituted in the upper end of foregoing cylinder post 3, and under cylinder post 3
Hold and the circumferencial direction around cylinder post 3 offers an inner cylinder liner seal groove 32, set in the inner cylinder liner seal groove 32
There is an inner cylinder liner sealing ring 321, the inner cylinder liner sealing ring 321 coordinates with the inner wall sealing of foregoing inner cylinder liner 2.Also show in fig. 2
The vertical row lift car 7 corresponding to the top of buffer head 31, the i.e. bottom of vertical row lift car 7 are gone out corresponding to buffer head
3 top.
Continue to see Fig. 1 and Fig. 2, in the side of the bottom of foregoing cylinder body 1(The left side of diagram)One is fixed with horizontality
Fuel inlet fitting 14, and in the opposite side of the bottom of cylinder body 1(The right side of diagram)A delivery connection is equally fixed with horizontality
15, should be corresponded to each other into and out of oily joint 14,15, and fuel inlet fitting 14 is communicated with foregoing oil storage chamber 4, and delivery connection 15 with
Foregoing interior hydraulic fluid chamber 21 is communicated, and foregoing bidirectional electromagnetic valve 5 is serially connected between fuel inlet fitting 14 and delivery connection 15.
Foregoing bidirectional electromagnetic valve 5 has a magnetic valve oil inlet 51 and an electromagnetic valve oil return mouthful 52, magnetic valve oil inlet
51 are connected by oil inlet pipeline 511 with foregoing fuel inlet fitting 14, magnetic valve oil-out 52 by oil-out pipeline 521 with it is preceding
Delivery connection 15 is stated to connect.
Base fixed installation hole 121 is offered on said base 12 and around the circumferencial direction interval of base 12.
Continue to see Fig. 1, foregoing inert gas feed mechanism 6 includes an inert gas tank 61 and a pressure gauge 62, lazy
Property gas tank 61 is provided with an inert gas supply valve interface 611, the inert gas supply valve interface 611 and foregoing indifferent gas
Body introduces interface 13 and connects, and pressure gauge 62 is with being connected on inert gas supply valve interface 611.
As shown in Figure 1, constituted on the outer wall of the end that interface 13 is introduced in foregoing inert gas and connect external screw thread 131,
And constituted on the inwall of the end of the inert gas supply valve interface 611 and connect internal thread 6111, this connects internal thread
6111 connect with the screw thread of external screw thread 131 is connected, but can also be by pipeline by inert gas supply valve interface 611 and indifferent gas
Body introduces interface 13 and connects, and inert gas supply valve interface 611 and inert gas are introduced interface 13 by the present embodiment using pipeline
Connection.
In the present embodiment, foregoing inert gas is nitrogen.
According to common knowledge;Gas is compressible, and liquid is incompressible, therefore utilizes gaseous compressibility
Absorb the portion of energy of buffering to realize the reset of buffer, complete two-pass using the flow control of magnetic valve and convert, this
The achievement part for inventing the technical scheme of offer is just being this.Knowable to the signal of Fig. 1 and Fig. 2, the top of oil storage chamber 4 is inertia
Gas, and bottom is hydraulic oil.Here the two-pass said is the first stroke and the second stroke, and the first stroke is then foregoing
Interior hydraulic fluid chamber 21, oil storage chamber 4 and the three of the bidirectional electromagnetic valve in opening 5 form fluid flow circuits, make buffering
Device loses energy-absorbing buffering function;Second stroke is then because closing bidirectional electromagnetic valve 5, between interior hydraulic fluid chamber 21 and oil storage chamber 4 only
Communicated by damping hole 21, form normal buffer function pattern;To specifically be described in more detail below.
When elevator is in normal operating condition, that is to say, that above by being connected with the electrical control of bidirectional electromagnetic valve 5
The control unit for referring to predicts elevator and is in normal running status, then bidirectional electromagnetic valve 5 is in opening, in the state
Under, oil storage chamber 4, bidirectional electromagnetic valve 5 and the three of interior hydraulic fluid chamber 21 form fluid loop, and whole buffer does not embody buffering and makees
With that is, in the state of foregoing first stroke.Conversely, such as occurring foregoing rushing to summit or falling bottom when misoperation occurs in elevator(Pendant
Hole)During trend, the speed of bidirectional electromagnetic valve 5 is closed, foregoing fluid loop blocking, then, in the vertical row elevator illustrated by Fig. 2
Car 7 clashes into buffer head 31(Shown in Fig. 4 bottoms)When, cylinder post 3 is descending, and the fluid in interior hydraulic fluid chamber 21 can only be through damping hole 22
Into oil storage chamber 4, now, the i.e. inert gas in the top of oil storage chamber 4 in oil storage chamber 4 is flowed into storage from interior hydraulic fluid chamber 21
Hydraulic oil compression in oil pocket 4, realizes the buffering to elevator, after the completion of buffering, in the presence of by the inert gas for compressing,
A part for fluid in oil storage chamber 4(Refer to that part previously flowed into through damping hole 22 by interior hydraulic fluid chamber 21 in oil storage chamber 4
Fluid)Interior hydraulic fluid chamber 21 is returned to through damping hole 22, cylinder post 3 rises, one action circulation is just accused and completed.
Applicant it should be noted that:Due to whether opening depending on the electric controller of elevator for bidirectional electromagnetic valve 5
Electrical connection between PLC, and PLC and bidirectional electromagnetic valve 5 due to electric controller belongs to usual electric circuit connection, because
And applicant repeats no more.
Application examples 1:
Fig. 3 is referred to, Fig. 3 shows oblique elevator car 8, and the present invention is installed in the position of the foundation ditch 91 in ramp 9, buffer
Mechanism as described in embodiment.
Application examples 2:
Fig. 4 is referred to, Fig. 4 shows the vertical row lift car 7 having already mentioned above, and two this hairs are provided with the bottom of hoistway 10
Bright liquid phase two-pass buffer, one of them in two liquid phase two-pass buffers corresponds to vertical row elevator car
The bottom in railway carriage or compartment 7, and another is then corresponding with counterweight 20, the former is a gas of the bottom for corresponding to vertical row lift car 7
Liquid phase two-pass buffer plays the pendant bottom that appearance is possible to vertical row lift car 7(That is " pendant hole ")Cushioning effect, and
The latter is that the liquid phase two-pass buffer corresponding with counterweight 20 is played to rushing to summit that the contingency of vertical row lift car 7 occurs
Cushioning effect(Counterweight clashes into the buffer head 31 of cylinder post 3).
In sum, the technical scheme that the present invention is provided compensate for the shortcoming in prior art, favorably accomplish invention
Task, has faithfully cashed the technique effect referred in the superincumbent technique effect column of applicant.
Claims (10)
1. a kind of liquid phase two-pass buffer of elevator, an including cylinder body (1), an inner cylinder liner (2) and a cylinder post (3), in cylinder body
(1) cylinder cap (11) is provided with the top of, and the bottom of cylinder body (1) is provided with a base (12), and in the upper of cylinder body (1)
Sidepiece is provided with an inert gas and introduces interface (13), and inner cylinder liner (2) is arranged in cylinder body (1), and the inner cylinder liner (2) is with one
Hydraulic fluid chamber (21), the space between the outer wall of inner cylinder liner (2) and the inwall of cylinder body (1) is configured to oil storage chamber (4), and including
Circumferencial direction interval on the inner cylinder liner wall body of the bottom of the short transverse of cylinder sleeve (2) around inner cylinder liner wall body offers damping hole
(22) interior hydraulic fluid chamber (21) is communicated with oil storage chamber (4) by the damping hole (22), the lower end of cylinder post (3) probes into interior hydraulic pressure
Oil pocket (21), and the upper end of cylinder post (3) leans out cylinder cap (11), described inert gas introduces interface (13) and the oil storage chamber
(4) communicate, introduce interface (13) by the inert gas introduces inert gas to the top of oil storage chamber (4), it is characterised in that also
A bidirectional electromagnetic valve (5) and an inert gas feed mechanism (6) are included, bidirectional electromagnetic valve (5) is corresponding to the cylinder body (1)
The position of bottom be serially connected between the interior hydraulic fluid chamber (21) and the oil storage chamber (4), inert gas feed mechanism (6) with
The inert gas introduces interface (13) connection.
2. liquid phase two-pass buffer of elevator according to claim 1, it is characterised in that in described cylinder cap (11) outward
Cylinder body sealing ring (111) is provided with wall, the cylinder body sealing ring (111) coordinates with the inner wall sealing of the cylinder body (1), and
An inner cylinder liner sealing ring (112) and cylinder column sealing circle (113), inner cylinder liner sealing ring are provided with the inwall of cylinder cap (11)
(112) sealed with the top of the inner cylinder liner (2) and coordinated, and cylinder column sealing circle (113) is sealed with the cylinder post (3) and coordinated.
3. liquid phase two-pass buffer of elevator according to claim 1 and 2, it is characterised in that in the cylinder cap (11)
Edge position is provided with cylinder body fixing screws (114), the top end of the cylinder body fixing screws (114) and the cylinder body (1)
Face is fixed.
4. liquid phase two-pass buffer of elevator according to claim 1 and 2, it is characterised in that in the cylinder post (3)
Upper end constitutes the buffer head (31) having greater diameter than the diameter of cylinder post (3), and in the lower end of cylinder post (3) and around cylinder post
(3) circumferencial direction offers an inner cylinder liner seal groove (32), and an inner casing is provided with the inner cylinder liner seal groove (32)
Set sealing ring (321), the inner cylinder liner sealing ring (321) coordinates with the inner wall sealing of the inner cylinder liner (2).
5. liquid phase two-pass buffer of elevator according to claim 1, it is characterised in that in the bottom of the cylinder body (1)
Side one fuel inlet fitting (14) is fixed with horizontality, and the opposite side in the bottom of cylinder body (1) is same with horizontality
A delivery connection (15) is fixed with, should be corresponded to each other into and out of oily joint (14,15), and fuel inlet fitting (14) and the store oil
Chamber (4) is communicated, and delivery connection (15) is communicated with the interior hydraulic fluid chamber (21), described bidirectional electromagnetic valve (5) be serially connected in into
Between oily joint (14) and delivery connection (15).
6. liquid phase two-pass buffer of elevator according to claim 5, it is characterised in that described bidirectional electromagnetic valve (5)
With a magnetic valve oil inlet (51) and an electromagnetic valve oil return mouthful (52), magnetic valve oil inlet (51) is by oil inlet pipeline
(511) it is connected with described fuel inlet fitting (14), magnetic valve oil-out (52) fuel-displaced is connect by oil-out pipeline (521) with described
Head (15) connection.
7. liquid phase two-pass buffer of elevator according to claim 1, it is characterised in that on the base (12) simultaneously
And offer base fixed installation hole (121) around the circumferencial direction interval of base (12).
8. liquid phase two-pass buffer of elevator according to claim 1, it is characterised in that described inert gas supply
Mechanism (6) includes an inert gas tank (61) and a pressure gauge (62), and inert gas confession is provided with inert gas tank (61)
Valve interface (611) is given, inert gas supply valve interface (611) introduces interface (13) and connects with described inert gas, pressure
Table (62) is with being connected on inert gas supply valve interface (611).
9. liquid phase two-pass buffer of elevator according to claim 8, it is characterised in that introduced in the inert gas
Constituted on the outer wall of the end of interface (13) and connect external screw thread (131), and in the inert gas supply valve interface (611)
Constituted on the inwall of end and connect internal thread (6111), this connects internal thread (6111) and matches somebody with somebody with external screw thread (131) screw thread is connected
Connect.
10. the liquid phase two-pass buffer of elevator according to claim 1 or 8 or 9, it is characterised in that described indifferent gas
Body is nitrogen.
Priority Applications (1)
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CN201710070504.4A CN106744148A (en) | 2017-02-09 | 2017-02-09 | Liquid phase two-pass buffer of elevator |
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CN201710070504.4A CN106744148A (en) | 2017-02-09 | 2017-02-09 | Liquid phase two-pass buffer of elevator |
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ID=58956012
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CN201710070504.4A Pending CN106744148A (en) | 2017-02-09 | 2017-02-09 | Liquid phase two-pass buffer of elevator |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110002318A (en) * | 2019-04-26 | 2019-07-12 | 康达电梯有限公司 | Elevator tunnel buffer unit |
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