CN209536846U - Hoist engine stand-by power unit - Google Patents
Hoist engine stand-by power unit Download PDFInfo
- Publication number
- CN209536846U CN209536846U CN201822209142.5U CN201822209142U CN209536846U CN 209536846 U CN209536846 U CN 209536846U CN 201822209142 U CN201822209142 U CN 201822209142U CN 209536846 U CN209536846 U CN 209536846U
- Authority
- CN
- China
- Prior art keywords
- oil
- chamber
- valve
- hoist engine
- hydraulic motor
- 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.)
- Active
Links
Abstract
The utility model provides a kind of hoist engine stand-by power unit, including emergency power supply, motor, fuel tank, by the oil pump of motor drive in fuel tank, hydraulic motor, fuel tank is for storing hydraulic oil, motor is powered by emergency power supply, the oil inlet of oil pump is connected to the hydraulic oil in fuel tank, the A chamber and B chamber of hydraulic motor are connected to by switching oil circuit with the oil outlet of oil pump and hydraulic oil, the switching oil circuit switching oily for realizing A chamber and the disengaging of B chamber, the output shaft of hydraulic motor is connect with rapid coupler, the rapid coupler with the power high speed input shaft of winder motor for connecting.The utility model can realize the basic function of raising and decline as stand-by power driving hoist engine under normal power supply fault condition.
Description
Technical field
The utility model relates to hoist engine field, specifically a kind of hoist engine stand-by power unit.
Background technique
Hoist engine is a kind of mechanical equipment by reel winding wire ropes lifting heavy, and power is motor by subtracting
Fast mechanism realizes big torsion driving, and especially for large-scale hoist engine, motor is all high-power and large torque.Work as motor
When electrical source of power failure or control section failure, hoist engine just cannot achieve raising and step-down operation, this when extreme case
Operation is again necessary.But under electrical fault conditions, the emergency standby power that scene can be provided is often low power,
The high power motor work of hoist engine can not be directly driven.
Summary of the invention
In view of the above shortcomings of the prior art, the utility model provides a kind of hoist engine stand-by power unit, can be with
Under electrical fault conditions, with the emergency power supply of smaller power or three-phase mobile power source, pass through this hoist engine stand-by power unit
Big torsion is exported, realizes the raising and decline of hoist engine.
A kind of hoist engine stand-by power unit, including emergency power supply, motor, fuel tank, driven by motor in fuel tank
Dynamic oil pump, hydraulic motor, fuel tank is for storing hydraulic oil, and motor is powered by emergency power supply, the oil inlet and fuel tank of oil pump
Interior hydraulic oil connection, the A chamber and B chamber of hydraulic motor are connected to by switching oil circuit with the oil outlet of oil pump and hydraulic oil, described
Switch oil circuit for realizing the switching of A chamber and B chamber disengaging oil, the output shaft of hydraulic motor is connect with rapid coupler, described fast
Fast shaft coupling with the power high speed input shaft of winder motor for connecting.
Further, the switching oil circuit includes hand-operated valve branch, the connection of the oil outlet and hydraulic motor set on oil pump
The first shut-off valve branch between the hydraulic oil in the A chamber and fuel tank of hydraulic motor, the B chamber and fuel tank for being connected to hydraulic motor
The second shut-off valve branch between interior hydraulic oil.
Further, after emergency power supply starting, motor rotation drives oil pump to provide pressure oil, while first being ended
Valve branch is closed, and the second shut-off valve branch is closed, and the hand-operated valve branch realizes oil pump by being manually switched to conduction position
Oil outlet is connected to oil inlet with the A chamber of hydraulic motor, and B chamber passes through the oil extraction of hand-operated valve branch, i.e. hydraulic motor under pressure oil effect
Realize emergency raising hoist engine；When emergency power off, hand-operated valve branch by manual reverse of direction to rest position, while by first
The conducting of shut-off valve branch, and the second shut-off valve branch is connected, hoist engine generates active force under hoist effect, by quickly joining
Axis device drives hydraulic motor axis to rotate backward, i.e., the B chamber of hydraulic motor is communicated to fuel tank oil suction, A by the second shut-off valve branch
Chamber realizes decline hoist engine by the first shut-off valve branch oil extraction, using the self weight of hoist engine load.
Further, the first shut-off valve branch include connect hydraulic motor A chamber and the hydraulic oil in fuel tank the
One pipeline and the first shut-off valve on the first pipeline.
Further, the first shut-off valve branch further includes the throttle valve and the first overflow valve on the first pipeline,
The decrease speed of hoist engine can be adjusted in the latus rectum for manually adjusting throttle valve.
Further, the second shut-off valve branch include connect hydraulic motor B chamber and the hydraulic oil in fuel tank the
Two pipelines and the second shut-off valve on the second pipeline.
Further, the hand-operated valve branch includes the pipeline of hand-operated valve, connection hand-operated valve, hydraulic motor and oil pump, hand
Dynamic valve is a two-position four-way valve, and first end be connected to by pipeline with the output oil port of oil pump, second end with by pipeline and
The A chamber of hydraulic motor is connected to, and third end is connected to fuel tank, and the 4th end is connected to by pipeline with the B chamber of hydraulic motor, and connection is manual
Pipeline between the first end of valve and the output end of oil pump is equipped with check valve；When switching hand-operated valve to multiple operation position, the
One end is connected to second end, i.e., the output oil port of oil pump is connected to the A chamber of hydraulic motor, and third end is connected to the 4th end, i.e. liquid
The B chamber of pressure motor is connected to the hydraulic oil in fuel tank；When being switched to cut-off working position, first end is connected to third end, i.e., oily
The output oil port of pump is connected to by hand-operated valve with the hydraulic oil in fuel tank.
Further, pressure gauge and second are additionally provided on the pipeline between the first end of hand-operated valve and the output oil port of oil pump
Overflow valve.
Further, the power supply is using emergency power supply or mobile power supply.
Further, the power of the emergency power supply is less than or equal to the 1/10 of hoist engine power of motor.
The utility model is applied to the auxiliary landing operation under hoist engine power-off or motor, electrical control fault condition, leads to
The emergency power supply power supply for crossing a smaller power drives one oil pump of motor drive to establish oil pressure, and driving one electromechanical with elevator
The hydraulic motor that the power high speed input shaft of motivation is connected with rapid coupler, so that the big torsion of output can be realized, to control volume
Raise the raising and step-down operation of machine.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model hoist engine stand-by power unit.
In figure: 1-rapid coupler；2-hydraulic motors；3-the first shut-off valve；4-the first overflow valve；5-throttle valves；
6-the second overflow valve；7-hand-operated valves；8-pressure gauges；9-check valves；10-oil pumps；11-motor；12-air-filterings
Device；13-liquidometers；14-fuel tanks；15-the second shut-off valve.
Specific embodiment
Below in conjunction with the attached drawing in the utility model, the technical solution in the utility model is carried out clearly and completely
Description.
Fig. 1 show the structural schematic diagram of the utility model hoist engine stand-by power unit, the hoist engine stand-by power
Device includes emergency power supply, motor 11, fuel tank 14, the oil pump 10 in fuel tank 14, hydraulic motor 2, storage in fuel tank 14
There is hydraulic oil.
Motor 11 (threephase motor can be used) is connect with emergency power supply, and motor 11 is powered by emergency power supply, electronic
The output end of machine 11 and the input axis connection of oil pump 10, the oil inlet of oil pump 10 are connected to the hydraulic oil in fuel tank 14, oil pump 10
Output oil port and the A chamber of hydraulic motor 2 be equipped with hand-operated valve branch, between the hydraulic oil in the A chamber and fuel tank 14 of hydraulic motor 2
It is connected with the first shut-off valve branch, the second shut-off valve branch is connected between the hydraulic oil in the B chamber and fuel tank 14 of hydraulic motor 2
Road.Emergency power supply can be used in the power supply, and mobile power supply can also be used, user-friendly.
The first shut-off valve branch includes the first pipeline for connecting the A chamber and the hydraulic oil in fuel tank 14 of hydraulic motor 2
And the shut-off valve 3 on the first pipeline, the first shut-off valve branch can also include the throttle valve 5 on the first pipeline
With the first overflow valve 4, one end of the first overflow valve 4 and the first piping connection, the other end access fuel tank 14.
The second shut-off valve branch includes the second pipeline for connecting the B chamber and the hydraulic oil in fuel tank 14 of hydraulic motor 2
And the second shut-off valve 15 on the second pipeline.
The hand-operated valve branch includes the pipeline of hand-operated valve 7, connection hand-operated valve 7, hydraulic motor 2 and oil pump 10, hand-operated valve 7
It is a two-position four-way valve, first end be connected to by pipeline with the output oil port of oil pump 10, second end and passes through pipeline and liquid
The A chamber of pressure motor 2 is connected to, and third end is connected to fuel tank 14, and the 4th end is connected to by pipeline with the B chamber of hydraulic motor 2, connects hand
Pipeline between the first end of dynamic valve 7 and the output end of oil pump 10 is equipped with check valve 9；When switching hand-operated valve 7 arrives multiple operation
When position, first end is connected to second end, i.e., the output oil port of oil pump 10 is connected to the A chamber of hydraulic motor 2, third end and the 4th
End connection, i.e. the B chamber of hydraulic motor 2 are connected to the hydraulic oil in fuel tank 14；When being switched to cut-off working position, first end and the
The connection of three ends, the i.e. output oil port of oil pump 10 are connected to by hand-operated valve 7 with the hydraulic oil in fuel tank 14.
Pressure gauge 8 and the second overflow are additionally provided on pipeline between the first end of hand-operated valve 7 and the output oil port of oil pump 10
Valve 6, one end of the second overflow valve 6 and piping connection, the other end access fuel tank 14.
The output shaft of the hydraulic motor 2 of low-speed big is connect with rapid coupler 1, and rapid coupler 1 can facilitate connection
The power high speed input shaft of winder motor, realization is connect with hoist engine, as the back-up power source of hoist engine, in hoist engine
When power supply trouble, the lifting of hoist engine is driven.When not using hoist engine stand-by power unit, can the short time by rapid coupler
1 disengages with hoist engine, securely and reliably, prevents maloperation.
Utility model works principle explanation:
1, hoist engine raising
Hand-operated valve 7 is switched to multiple operation position, the first shut-off valve 3 is switched to cut-off position, and the second shut-off valve 15 is switched to
End position, connect emergency power supply, motor 11 is started by emergency power supply, oil pump 10 is driven to generate pressure oil, pressure oil passes through hand
Dynamic valve branch enters the A chamber of hydraulic motor 2, and the B chamber of hydraulic motor makes hydraulic motor 2 is positive to turn by 7 oil extraction of hand-operated valve
It is dynamic, hoist engine raising is driven, the second overflow valve 6 protects oil pump and protection hoist engine transmission for preventing hydraulic motor 2 from overloading
System overload；Pressure gauge 8 is for showing hydraulic system working pressure.
2, hoist engine declines
Hand-operated valve 7 is switched to cut-off working position, cuts off emergency power supply, the first shut-off valve 3 is switched to conduction position, and second
Shut-off valve 15 is switched to conduction position, and hydraulic motor 2 reversely rotates under hoist engine gravity, and hydraulic oil passes through the second cut-off
Valve 15 enters the B chamber of hydraulic motor 2, while A chamber passes through the first shut-off valve branch oil extraction, by adjusting throttle valve 5, controllably
The decrease speed of hoist engine processed, the first overflow valve is for preventing hydraulic motor 2 from overloading.Hand-operated valve 7 is switched to oil extraction position and can protect
Oil pump 10 will not in the case that close pressure failure.For hydraulic motor 2 during inverting decline, the manufacture using hydraulic motor 2 is symmetrical
The characteristics of, hydraulic motor 2 is used as hydraulic pump.When hydraulic motor 2 as hydraulic pump in use, hydraulic motor oil extraction
Throttle valve 5 is arranged in pipeline, realizes the function of adjusting the speed during hoist engine decline.It is hydraulic pump in use, arranging in hydraulic motor 2
First overflow valve 4 is set on oil pipe line, hoist engine descending system hypertonia can be prevented, hydraulic motor 2 and hoist engine is protected to pass
Dynamic system overload.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
It is any to belong to those skilled in the art within the technical scope disclosed by the utility model in this, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of hoist engine stand-by power unit, it is characterised in that: including emergency power supply, motor (11), fuel tank (14), be set to
Oil pump (10), hydraulic motor (2) in fuel tank (14) by motor (11) driving, fuel tank (14) are electronic for storing hydraulic oil
Machine (11) is powered by emergency power supply, and the oil inlet of oil pump (10) is connected to the hydraulic oil in fuel tank (14), the A of hydraulic motor (2)
Chamber and B chamber are connected to by switching oil circuit with the oil outlet of oil pump (10) and hydraulic oil, and the switching oil circuit is for realizing A chamber and B
The switching of chamber disengaging oil, the output shaft of hydraulic motor (2) connect with rapid coupler (1), the rapid coupler (1) for
The power high speed input shaft of winder motor connects.
2. hoist engine stand-by power unit as described in claim 1, it is characterised in that: the switching oil circuit includes being set to oil pump
(10) the hand-operated valve branch of oil outlet and hydraulic motor (2), the A chamber for being connected to hydraulic motor (2) and the liquid in fuel tank (14)
Second between the first shut-off valve branch, the B chamber for being connected to hydraulic motor (2) between pressure oil and the hydraulic oil in fuel tank (14)
Shut-off valve branch.
3. hoist engine stand-by power unit as claimed in claim 2, it is characterised in that: after emergency power supply starting, motor
(11) it rotating, drives oil pump (10) to provide pressure oil, while the first shut-off valve branch being closed, the second shut-off valve branch is closed,
By being manually switched to conduction position, the A chamber of the oil outlet and hydraulic motor (2) of realizing oil pump (10) connects the hand-operated valve branch
Logical oil inlet, B chamber realize emergency raising hoist engine by the oil extraction of hand-operated valve branch, i.e. hydraulic motor (2) under pressure oil effect；It answers
When anxious dump, hand-operated valve branch by manual reverse of direction to rest position, while by the conducting of the first shut-off valve branch, and by the
The conducting of two shut-off valve branches, hoist engine generate active force under hoist effect, drive hydraulic motor (2) axis by rapid coupler
It rotates backward, i.e., the B chamber of hydraulic motor (2) is communicated to fuel tank oil suction by the second shut-off valve branch, and A chamber passes through the first shut-off valve
Branch oil extraction realizes decline hoist engine using the self weight of hoist engine load.
4. hoist engine stand-by power unit as claimed in claim 2, it is characterised in that: the first shut-off valve branch includes connecting
Connect the A chamber of hydraulic motor (2) and the first pipeline of the hydraulic oil in fuel tank (14) and the first shut-off valve on the first pipeline
(3)。
5. hoist engine stand-by power unit as claimed in claim 4, it is characterised in that: the first shut-off valve branch further includes
Elevator can be adjusted in throttle valve (5) and the first overflow valve (4) on the first pipeline, the latus rectum for manually adjusting throttle valve (5)
The decrease speed of machine.
6. hoist engine stand-by power unit as claimed in claim 2, it is characterised in that: the second shut-off valve branch includes connecting
Connect the B chamber of hydraulic motor (2) and the second pipeline of the hydraulic oil in fuel tank (14) and the second shut-off valve on the second pipeline
(15)。
7. hoist engine stand-by power unit as claimed in claim 2, it is characterised in that: the hand-operated valve branch includes hand-operated valve
(7), the pipeline of hand-operated valve (7), hydraulic motor (2) and oil pump (10) is connected, hand-operated valve (7) is a two-position four-way valve, the
One end is connected to by pipeline with the output oil port of oil pump (10), and second end is connected to by pipeline with the A chamber of hydraulic motor (2),
Third end is connected to fuel tank (14), and the 4th end is connected to by pipeline with the B chamber of hydraulic motor (2), and the first of connection hand-operated valve (7)
Pipeline between end and the output end of oil pump (10) is equipped with check valve (9)；When multiple operation position is arrived in switching hand-operated valve (7),
First end is connected to second end, i.e., the output oil port of oil pump (10) is connected to the A chamber of hydraulic motor (2), third end and the 4th end
Connection, i.e., the B chamber of hydraulic motor (2) is connected to the hydraulic oil in fuel tank (14)；When be switched to cut-off working position when, first end with
The connection of third end, the i.e. output oil port of oil pump (10) are connected to by hand-operated valve (7) with the hydraulic oil in fuel tank (14).
8. hoist engine stand-by power unit as claimed in claim 7, it is characterised in that: the first end and oil pump of hand-operated valve (7)
(10) pressure gauge (8) and the second overflow valve (6) are additionally provided on the pipeline between output oil port.
9. hoist engine stand-by power unit as described in claim 1, it is characterised in that: the emergency power supply uses emergency power supply
Or mobile power supply.
10. the hoist engine stand-by power unit as described in claim 1 or 9, it is characterised in that: the power of the emergency power supply is small
In or equal to hoist engine power of motor 1/10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822209142.5U CN209536846U (en) | 2018-12-27 | 2018-12-27 | Hoist engine stand-by power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822209142.5U CN209536846U (en) | 2018-12-27 | 2018-12-27 | Hoist engine stand-by power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209536846U true CN209536846U (en) | 2019-10-25 |
Family
ID=68266820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822209142.5U Active CN209536846U (en) | 2018-12-27 | 2018-12-27 | Hoist engine stand-by power unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209536846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109516396A (en) * | 2018-12-27 | 2019-03-26 | 江涛 | Hoist engine stand-by power unit |
| CN113148884A (en) * | 2021-04-20 | 2021-07-23 | 徐州重型机械有限公司 | Emergency power device and crane winch emergency hydraulic control system |
-
2018
- 2018-12-27 CN CN201822209142.5U patent/CN209536846U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109516396A (en) * | 2018-12-27 | 2019-03-26 | 江涛 | Hoist engine stand-by power unit |
| CN113148884A (en) * | 2021-04-20 | 2021-07-23 | 徐州重型机械有限公司 | Emergency power device and crane winch emergency hydraulic control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209536846U (en) | Hoist engine stand-by power unit | |
| CN2892805Y (en) | Motor rotational speed memory hoisting braker control device | |
| CN201132745Y (en) | Hydraulic lifting device for column crane | |
| CN107117534B (en) | A kind of hydraulic control system of crane | |
| JP2001002371A (en) | Actuator drive device for construction machine | |
| CN106837906B (en) | A kind of anchor capstan hydraulic control system | |
| CN101004190A (en) | Open type integral hydraulic motor system | |
| CN109516396A (en) | Hoist engine stand-by power unit | |
| CA2671381A1 (en) | Braking controller of a three-phase permanent magnetic brushless dc motor for directly driving a screw pump | |
| CN212356355U (en) | Winch hydraulic power device without power supply drive | |
| CN105114687B (en) | A kind of more hydraulic butterfly valves open and close control hydraulic control system | |
| CN213976764U (en) | Non-electricity emergency control device for hoister | |
| CN105438980B (en) | A kind of explosion-proof driving hydraulic control system | |
| CN216687249U (en) | Hydraulic multi-motor driving system | |
| JP2014047471A (en) | Gate lifting/lowering mechanism | |
| CN216662338U (en) | Hydraulic multi-motor driving system | |
| CN104831774A (en) | Loader walking and braking energy recovery auxiliary driving device and control method | |
| WO2012113208A1 (en) | Power drive device of concrete pumping equipment and concrete pumping equipment | |
| CN213976756U (en) | Non-electricity emergency brake opening device for winch | |
| CN203214462U (en) | Mixing truck and hydraulic system thereof | |
| CN111732033A (en) | Diesel fork truck steering system and diesel fork truck | |
| CN207701491U (en) | Double speed down type hydraulic power unit | |
| CN212928345U (en) | Hydraulic device of multi-functional protection | |
| EP3689814A1 (en) | Hydraulic lifting system | |
| CN108915021A (en) | A kind of hydraulic crawler excavator multi-mode revolution electrohydraulic control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |