CN104401849B - Hydraulic elevator system that is super-silent and that operate steadily - Google Patents
Hydraulic elevator system that is super-silent and that operate steadily Download PDFInfo
- Publication number
- CN104401849B CN104401849B CN201410475618.3A CN201410475618A CN104401849B CN 104401849 B CN104401849 B CN 104401849B CN 201410475618 A CN201410475618 A CN 201410475618A CN 104401849 B CN104401849 B CN 104401849B
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- oil
- valve
- way valve
- cylinder
- connects
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/04—Kinds or types of lifts in, or associated with, buildings or other structures actuated pneumatically or hydraulically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/0423—Driving gear ; Details thereof, e.g. seals actuated pneumatically or hydraulically
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Automation & Control Theory (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Types And Forms Of Lifts (AREA)
- Elevator Control (AREA)
Abstract
The invention discloses hydraulic elevator system that is a kind of super-silent and that operate steadily.It includes car, is fixed with hydraulic cylinder at the bottom of car railway carriage or compartment, and hydraulic cylinder connects oil piping system, and oil piping system connects control system；Described oil piping system includes oil cylinder, oil cylinder connects filter, filter connects oil pump, oil pump connects to be had three-position four-way valve and is connected with the A mouth of three-position four-way valve, the B mouth of three-position four-way valve is connected with oil cylinder, the C mouth of three-position four-way valve connects has electrohydraulic proportional velocity regulating valve, electrohydraulic proportional velocity regulating valve to be connected with the cylinder bottom of hydraulic cylinder；The D mouth of three-position four-way valve is connected with the external part of hydraulic cylinder；Described car is provided with velocity measuring module, and the amplified device of velocity measuring module is connected with electrohydraulic proportional velocity regulating valve.The present invention with the speed of service deviation of real time correction car, and can be greatly improved the smoothness of car, reduces the noise that elevator runs.
Description
Technical field
The present invention relates to hydraulic elevator system that is a kind of super-silent and that operate steadily, belong to elevator skill
Art field.
Background technology
Hydraulic elevator is seized rapidly with its room flexible arrangement, advantage safe and reliable, easy to maintenance
A part of the domestic market.Existing hydraulic elevator has generally comprised oil cylinder, and oil cylinder is sequentially connected with
Having hydraulic pump and solenoid directional control valve, solenoid directional control valve is connected with the bottom of hydraulic cylinder through oil circuit, electricity
The oil pump that rises through of ladder car injects fluid bottom hydraulic cylinder, restarts solenoid directional control valve and leads to
Cross emptying and realize the decline of elevator.But, this kind of elevator but also exists cage operation velocity deviation
Relatively big, car smoothness is poor, runs noise the biggest.
Summary of the invention
It is an object of the invention to, it is provided that a kind of super-silent and hydraulic elevator system operated steadily
System.The present invention with the speed of service deviation of real time correction car, and can be greatly improved sedan-chair
The smoothness in railway carriage or compartment, reduces the noise that elevator runs.
Technical scheme: a kind of super-silent and hydraulic elevator system that operates steadily, bag
Including car, be fixed with hydraulic cylinder at the bottom of car railway carriage or compartment, hydraulic cylinder connects oil piping system, oil piping system
Connect and have control system；It is characterized in that: described oil piping system includes oil cylinder, oil cylinder connects
Having filter, filter connects oil pump, and oil pump connects three-position four-way valve and and 3-position 4-way
The A mouth of valve is connected, and the B mouth of three-position four-way valve is connected with oil cylinder, and the C mouth of three-position four-way valve is even
Being connected to electrohydraulic proportional velocity regulating valve, electrohydraulic proportional velocity regulating valve is connected with the cylinder bottom of hydraulic cylinder；Three four
The D mouth of logical valve is connected with the external part of hydraulic cylinder；Described car is provided with velocity measuring mould
Block, the amplified device of velocity measuring module is connected with electrohydraulic proportional velocity regulating valve.
In the above-mentioned super-silent and hydraulic elevator system that operates steadily, control system connects respectively
There are oil pump, preposition oil pressure detector and rearmounted oil pressure detector, described preposition oil pressure detector
Being arranged between three-position four-way valve and electrohydraulic proportional velocity regulating valve, rearmounted oil pressure detector is arranged on three
Between position four-way valve and the external part of hydraulic cylinder, described preposition oil pressure detector is arranged on three
Between cross valve and electrohydraulic proportional velocity regulating valve；Described control system also with the electricity of three-position four-way valve
Magnetic end is connected.
In the aforesaid super-silent and hydraulic elevator system that operates steadily, described electric-hydraulic proportion is adjusted
Speed valve include valve body, be provided with valve pocket in valve body, the side of valve pocket be provided with from left to right spill cavity,
Oil outlet and oil suction chamber, the opposite side of valve pocket is provided with spout hole from left to right, goes out oil pocket and oil-feed
Hole；Described fuel feed hole is connected with the C mouth of three-position four-way valve through oil circuit, described oil outlet warp
Oil circuit is connected with the cylinder bottom of hydraulic cylinder；It is provided with spool in valve pocket, is provided with in spool and to be sequentially communicated
Liquid resistance hole, spool chamber and oil canal.
In the aforesaid super-silent and hydraulic elevator system that operates steadily, described electric-hydraulic proportion is adjusted
Speed valve is also connected with oil cylinder through a Manual pressure relief valve.
Compared with prior art, the invention have the characteristics that:
(1) hydraulic oil of fuel tank 1 is driven by oil pump, through three-position four-way valve, solenoid-operated proportional
Flow speed control valve enters cylinder lower, drives hydraulic stem to stretch out and realizes ascending for elevator.At ascending for elevator
During, the real-time monitoring velocity of velocity measuring module being arranged on car, when speed is unstable
When, velocity measuring module signals to amplifier, and amplifier sends a signal to electro-hydraulic ratio
Example flow speed control valve, electrohydraulic proportional velocity regulating valve, by regulation hydraulic fluid flow rate, corrects the operation speed of car
Degree deviation, makes car operation steady, quiet.
(2) the C mouth of three-position four-way valve and D mouth be connected to preposition oil pressure detector and
Rearmounted oil pressure detector, preposition oil pressure detector monitors the oil pressure of up oil circuit, rearmounted oil in real time
The oil pressure of descending oil circuit monitored in real time by pressure detector, and monitor value real-time Transmission is given control system
System, control system regulates hydraulic pump rotating speed in real time by monitor value, thus regulates sedan-chair further
The speed of service in railway carriage or compartment, makes cage operation more steady.
(3), have employed the electrohydraulic proportional velocity regulating valve after improvement, have the advantage that 1, control
Liquefaction is due to flowing between fuel feed hole, oil outlet and spout hole all the time, i.e. half-bridge is located all the time
In operating state, can automatically protect load pressure constant；2, when running into interference, can be without hiding
Lid (valve port is in little open state all the time) quickly compensates；The pressure of common electro liquid proportion pressure valve
Within power adjustable range can arrive 10bar, and use the electro liquid proportion pressure valve after improvement
Within pressure regulation spectrum can reach 1bar, pressure regulating effect is the most superior；3, long-term
After operation, the increase in valve body gap, performance is not produced substantial effect, this is due to three holes
Between liquid bridge flow be consistently greater than the leakage rate in gap, when leakage rate increases, liquid bridge can be from
Move and compensate, make total leakage rate be basically unchanged；Therefore the use longevity can be greatly improved after improving
Life；4, during work, different from conventional vacuum valve, in valve pocket working medias, are in all the time
Flowable state (although flow is little), is unlikely to overheated or freezes, not only improving operational reliability,
Also reduce operation and maintenance cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of electrohydraulic proportional velocity regulating valve.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but not as to this
Bright restriction.
Embodiment: a kind of super-silent and hydraulic elevator system that operates steadily, is constituted such as Fig. 1
Shown in, including car 1, at the bottom of car 1 railway carriage or compartment, it being fixed with hydraulic cylinder 2, hydraulic cylinder 2 connects oil
Road system 3, oil piping system 3 connects control system 4；Described oil piping system 3 includes oil
Cylinder 5, oil cylinder 5 connects filter 6, and filter 6 connects has oil pump 7, oil pump 7 to connect
There is three-position four-way valve 8 and be connected with the A mouth of three-position four-way valve 8, the B of three-position four-way valve 8
Mouth is connected with oil cylinder 5, and the C mouth of three-position four-way valve 8 connects electrohydraulic proportional velocity regulating valve 9, electricity
Liquid proportional flow speed control valve 9 is connected with the cylinder bottom of hydraulic cylinder 2；The D mouth of three-position four-way valve 8 and hydraulic pressure
The external part of cylinder 2 is connected；Described car 1 is provided with velocity measuring module 10, and speed is examined
Survey the amplified device of module 10 13 to be connected with electrohydraulic proportional velocity regulating valve 9.Control system 4 connects respectively
Being connected to oil pump 7, preposition oil pressure detector 11 and rearmounted oil pressure detector 12, described is preposition
Oil pressure detector 11 is arranged between three-position four-way valve 8 and electrohydraulic proportional velocity regulating valve 9, rearmounted
Oil pressure detector 12 is arranged between the external part of three-position four-way valve 8 and hydraulic cylinder 2；Described
Control system 4 be also connected with the electromagnetism end of three-position four-way valve 8.Described electro_hydraulic proportional speed control
Valve is also connected with oil cylinder 5 through a Manual pressure relief valve 27.As shown in Figure 2, described electro-hydraulic
Proportional velocity regulating valve 9 includes valve body 14, is provided with valve pocket 15, the side of valve pocket 15 in valve body 14
It is provided with spill cavity 16, oil outlet 17 and oil suction chamber 18, the opposite side of valve pocket 15 from left to right
It is provided with spout hole 19 from left to right, goes out oil pocket 20 and fuel feed hole 21；Described fuel feed hole 21
Being connected with the C mouth of three-position four-way valve 8 through oil circuit, described oil outlet 17 is through oil circuit and hydraulic pressure
The cylinder bottom of cylinder 2 is connected；It is provided with spool 22 in valve pocket 15, is provided with in spool 22 and is sequentially communicated
Liquid resistance hole 23, spool chamber 24 and oil canal 25.The left end of spool 22 is provided with electromagnetism push rod
26, the amplified device of electromagnetism push rod 26 is connected with velocity measuring module 10.Described liquid resistance hole with
Oil suction chamber is connected, and described oil canal is connected with valve pocket；The fuel feed hole side of described spool is provided with valve
Pellet, forms little opening between spool block and fuel feed hole.Control oil to flow into from fuel feed hole, and from
Oil suction chamber influent resistance hole, then flow out from oil outlet through spool chamber, oil canal；Owing to liquid hinders hole
Existence, liquid resistance hole at formed fixer resistance, added fixer resistance oil outlet pressure is had
Being raised, through feedback area effect, spool is turned left fine motion, thus between valve pocket and spout hole
Form little opening, form the resistance of variable liquid, form fuel feed hole, standard between oil outlet and spout hole
Zero lap state.When oil outlet pressure higher than (or being less than) setting value time, spool move to left (or
Move to right), the little opening between valve pocket and spout hole increases (or reduction), under the pressure of oil-out
Fall (or rising), until setting up new balance.
Claims (3)
- Hydraulic elevator system that is the most super-silent and that operate steadily, including car, solid at the bottom of car railway carriage or compartment Surely having hydraulic cylinder, hydraulic cylinder connects oil piping system, and oil piping system connects control system；Its Being characterised by: described oil piping system includes oil cylinder, oil cylinder connects filter, and filter is even Being connected to oil pump, oil pump connects to be had three-position four-way valve and is connected with the A mouth of three-position four-way valve, three The B mouth of cross valve is connected with oil cylinder, and the C mouth of three-position four-way valve connects electrohydraulic proportional velocity regulating valve, Electrohydraulic proportional velocity regulating valve is connected with the cylinder bottom of hydraulic cylinder；The D mouth of three-position four-way valve and hydraulic cylinder External part is connected；Described car is provided with velocity measuring module, and velocity measuring module is amplified Device is connected with electrohydraulic proportional velocity regulating valve；Described electrohydraulic proportional velocity regulating valve includes valve body, in valve body Being provided with valve pocket, the side of valve pocket is provided with spill cavity, oil outlet and oil suction chamber, valve pocket from left to right Opposite side be provided with spout hole from left to right, go out oil pocket and fuel feed hole；Described fuel feed hole is through oil Road is connected with the C mouth of three-position four-way valve, and described oil outlet is through the cylinder bottom phase of oil circuit with hydraulic cylinder Even；It is provided with spool in valve pocket, in spool, is provided with liquid resistance hole, spool chamber and the logical oil being sequentially communicated Road.
- Hydraulic elevator system that is the most according to claim 1 super-silent and that operate steadily, It is characterized in that: control system is connected to oil pump, preposition oil pressure detector and rearmounted oil pressure Detector, described preposition oil pressure detector is arranged on three-position four-way valve and electrohydraulic proportional velocity regulating valve Between, rearmounted oil pressure detector is arranged between three-position four-way valve and the external part of hydraulic cylinder, institute The preposition oil pressure detector stated is arranged between three-position four-way valve and electrohydraulic proportional velocity regulating valve；Described Control system be also connected with the electromagnetism end of three-position four-way valve.
- Hydraulic elevator system that is the most according to claim 1 and 2 super-silent and that operate steadily System, it is characterised in that: described electrohydraulic proportional velocity regulating valve is also through a Manual pressure relief valve and oil cylinder phase Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410475618.3A CN104401849B (en) | 2014-09-18 | 2014-09-18 | Hydraulic elevator system that is super-silent and that operate steadily |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410475618.3A CN104401849B (en) | 2014-09-18 | 2014-09-18 | Hydraulic elevator system that is super-silent and that operate steadily |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104401849A CN104401849A (en) | 2015-03-11 |
| CN104401849B true CN104401849B (en) | 2016-09-07 |
Family
ID=52639538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410475618.3A Active CN104401849B (en) | 2014-09-18 | 2014-09-18 | Hydraulic elevator system that is super-silent and that operate steadily |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104401849B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315355B (en) * | 2016-09-12 | 2018-12-07 | 山西大学 | High-rise resident building elevator hydraulic system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2735310A1 (en) * | 1977-08-05 | 1979-02-15 | Florian Prates | Hydraulic indirect drive for lift - has ram-operated counterweight to counter-balance cage weight plus half payload |
| JPH0712897B2 (en) * | 1989-05-10 | 1995-02-15 | 三菱電機株式会社 | Hydraulic elevator |
| JPH09235084A (en) * | 1996-02-29 | 1997-09-09 | Hitachi Ltd | Hydraulic elevator |
| JPH11349288A (en) * | 1998-06-08 | 1999-12-21 | Oil Drive Kogyo Kk | Method for controlling energy saving-type hydraulic elevator |
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2014
- 2014-09-18 CN CN201410475618.3A patent/CN104401849B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104401849A (en) | 2015-03-11 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Super quiet and stable hydraulic elevator system Effective date of registration: 20210629 Granted publication date: 20160907 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: WEIBO ELEVATOR Co.,Ltd. Registration number: Y2021330000705 |