CN203173620U - Dual-drive hydraulic power pack used for hydraulic elevator - Google Patents
Dual-drive hydraulic power pack used for hydraulic elevator Download PDFInfo
- Publication number
- CN203173620U CN203173620U CN 201320093767 CN201320093767U CN203173620U CN 203173620 U CN203173620 U CN 203173620U CN 201320093767 CN201320093767 CN 201320093767 CN 201320093767 U CN201320093767 U CN 201320093767U CN 203173620 U CN203173620 U CN 203173620U
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Abstract
The utility model discloses a dual-drive hydraulic power pack used for a hydraulic elevator. The dual-drive hydraulic power pack used for the hydraulic elevator comprises a hydraulic power pack oil tank connected with the oil circuit of a lifting oil cylinder of the elevator, wherein an oil pump installed on a cover plate of the hydraulic power pack oil tank is connected with a hydraulic manifold block of the lifting oil cylinder of the elevator through an output pipeline, an oil circuit inside the hydraulic manifold block is connected with a hand-operated driving oil circuit and a hydraulic return circuit in sequence through a one-way valve, a hand pump is connected to the hand-operated driving oil circuit of the hydraulic manifold block, an electromagnetic valve, a hand valve and a throttling valve are arranged on the hydraulic return circuit of the hydraulic manifold block, and the electromagnetic valve, the hand valve and the throttling valve are used for controlling the adjustment of the pressure of the oil circuit of the oil pump and the pressure of the oil circuit of the hand pump. According to the dual-drive hydraulic power pack used for the hydraulic elevator, the set of hand-operated driving oil circuit is additionally arranged, a dual-drive function of the hydraulic power pack of the hydraulic elevator is achieved, the lifting cylinder of the elevator can be driven to push a loading platform to rise by the two sets of driving oil circuits independently, stopping of the hydraulic power pack caused by sudden power lost or sudden power failure is avoided, and accidents of the elevator are avoided.
Description
Technical field
The utility model belongs to mechanical equipment technical field, relates to a kind ofly for the hydraulic up-down machine provides the mechanism of power, is specifically related to a kind of hydraulic hoist with two driving hydraulic power units.
Background technology
Hydraulic hoist of the prior art, usually provide pressure oil by the hydraulic power pumping plant for lifting mechanism, it is transported to pressure oil by hydraulic control and hydraulic tubing the hoist cylinders at different levels of hydraulic hoist, make the telescopic moving of hoist cylinder piston rod, the article carrying platform that promotes elevator rises and descends, and finishes the handling labor of goods.Mostly be by electrical motor (motor) as the oil pump drive source for the hydraulic up-down machine provides the hydraulic power unit of power owing at present existing, the mechanism of hydraulic power unit each valve and and the assembly supporting with it be contained in integrated oil path plate outside, or be layering, cause that hydraulic power unit is bulky, complex structure, easy care not.Especially when the elevator loading is upwards risen, run into unexpected outage or power failure, tend to cause hydraulic power unit out of service, and can not proceed handling labor, make the bay-lift that is parked in midair be in a runaway condition, very likely cause the generation of safety misadventure, therefore bring great safety hazard to hydraulic hoist, cause hydraulic hoist to lack competitiveness in market therefrom, bring adverse effect in the direction of loading and unloading industry development also for simultaneously hydraulic hoist.
Summary of the invention
The purpose of this utility model provides the two driving hydraulic power units of a kind of hydraulic hoist, it has increased by a cover manual drives oil circuit for hydraulic hoist provides the hydraulic power unit of power, make the power of hydraulic hoist have two elevating functions that drive, it can drive the hoist cylinder operation respectively by the two electronic and manual drives oil circuits that drive of lifting mechanism, the promotion article carrying platform rises, run into outage or power failure when avoiding hydraulic hoist work, hydraulic power unit is quit work, the phenomenon that causes elevator can not continue to move and cause dangerous accident takes place, and has solved the problems referred to above that existing hydraulic hoist hydraulic power unit exists.
The technical scheme that the utility model adopts is, the two driving hydraulic power units of a kind of hydraulic hoist, comprise a hydraulic power unit fuel tank that connects cage lifter lifting oil cylinder oil circuit, the oil pump of installing on the cover plate of described pumping plant fuel tank connects the hydraulic manifold block of cage lifter lifting oil cylinder through delivery conduit, oil circuit in the hydraulic manifold block is connected to one tunnel manual drives oil circuit and one road hydraulic circuit successively through check valve, be connected to a manual pump on the manual drives oil circuit of described hydraulic manifold block, be respectively equipped with the control oil pump on the hydraulic circuit of described hydraulic manifold block, the electromagnetic valve of manual pump oil circuit pressure and hand valve and flow regulating valve.
The two driving hydraulic power units of hydraulic hoist described in the utility model are further characterized in that,
Compression indicator by pressure switch control is housed on the described manual drives oil circuit.
On the chargine line of described oil pump filter is housed.
The side plate of described pumping plant fuel tank is provided with oily temperature oil gauge.
The two driving hydraulic power units of the utility model hydraulic hoist, it increases a cover manual drives oil circuit for hydraulic hoist provides the hydraulic power unit of power, make hydraulic hoist have two functions that drive, can drive the operation of cage lifter lifting oil cylinder respectively alone by the electronic of two driving lifting mechanisms and manual drives oil circuit, promote article carrying platform and rise.Run into the emergency situation of unexpected outage or power failure when hydraulic hoist is worked, hydraulic power unit still can guarantee the operation that lifting mechanism is safe and reliable by the manual drives oil circuit, ensures safety of goods.Prevented that existing elevator hydraulic power unit from running into unexpected outage or power failure when the elevator loading is upwards risen driving, caused hydraulic power unit out of service and can not proceed work, and cause the generation of dangerous accident.
Description of drawings
Fig. 1 a and Fig. 1 b are the two driving hydraulic power unit structural representations of the utility model hydraulic hoist;
Fig. 2 is the two driving hydraulic power unit hydraulic principle scheme drawings of the utility model.
Among the figure, 1. pumping plant fuel tank, 2. cover plate, 3. oil pump, 4. delivery conduit, 5. hydraulic manifold block, 6. check valve, 7. manual drives oil circuit, 8. hydraulic circuit, 9. manual pump, 10. electromagnetic valve, 11. hand valves, 12. flow regulating valve, 13. pressure switches, 14. compression indicators, 15. filters, 16. oily temperature oil gauge, 17. CD-ROM drive motor, 18. pouring orifices, 19. by pass valve, 20. cage lifter lifting oil cylinders, the anti-broken safety valve of 21. pipelines.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The two driving hydraulic power units of a kind of hydraulic up-down machine, as Fig. 1 a, Fig. 1 b and shown in Figure 2, it comprises a hydraulic power unit fuel tank 1 that connects cage lifter lifting oil cylinder oil circuit, the oil pump of installing on the cover plate 2 of described pumping plant fuel tank 13 connects the hydraulic manifold block 5 of cage lifter lifting oil cylinder through delivery conduit 4, oil circuit in the hydraulic manifold block 5 is connected to one tunnel manual drives oil circuit 7 and one road hydraulic circuit 8 successively through check valve 6, be connected to a manual pump 9 on the manual drives oil circuit 7 of described hydraulic manifold block 5, be respectively equipped with control oil pump 3 on the hydraulic circuit 8 of described hydraulic manifold block 5, the electromagnetic valve 10 of manual pump 9 oil circuit pressure and hand valve 11 and flow regulating valve 12; Compression indicator 14 by pressure switch 13 controls is housed on the described manual drives oil circuit 7, filter 15 is housed on the chargine line of described oil pump 3, the side plate of described pumping plant fuel tank 1 is provided with oily temperature oil gauge 16.
The two driving hydraulic power units of the utility model hydraulic hoist, it increases a cover manual drives oil circuit for hydraulic hoist provides the hydraulic power unit of power, running state in routine, usually use the oil pump 3 that is driven by CD-ROM drive motor on the cover plate 2 of pumping plant fuel tank 1 17, through delivery conduit 4 and check valve 6, be the cage lifter lifting oil cylinder 20 delivery pressure oil that connect, drive 20 operations of cage lifter lifting oil cylinder, and stable by the oil pressure of the by pass valve 19 maintenance cage lifter lifting oil cylinders 20 on the anti-broken safety valve 21 of pipeline, the overflow oil circuit 22, promote article carrying platform and steadily rise; During decline, electromagnetic valve 10 actions on the hydraulic circuit 8 are regulated descending speed by flow regulating valve 12, allow pressure oil get back to pumping plant fuel tank 1.
The utility model provides the hydraulic power unit of power to connect the hydraulic manifold block 5 of cage lifter lifting oil cylinder through delivery conduit 4 for hydraulic hoist, oil circuit in the hydraulic manifold block 5 is connected to one tunnel manual drives oil circuit 7 and one road hydraulic circuit 8 successively through check valve 6, connect the manual drives oil circuit 7 that increases at hydraulic power unit and be connected to a manual pump 9, when hydraulic hoist runs into the emergency situation of unexpected outage or power failure when working, operating personal can be by the manual pump 9 on the manual drives oil circuit 7 of operation hydraulic power unit, still can be the cage lifter lifting oil cylinder 20 delivery pressure oil that connect, drive 20 operations of cage lifter lifting oil cylinder and promote the article carrying platform rising, guarantee the operation of lifting mechanism failure-free.During decline, hand valve 11 actions on the hydraulic circuit 8 keep oil circuit pressure by flow regulating valve 12, regulate descending speed, allow pressure oil get back to pumping plant fuel tank 1.
Because the utility model increases a cover manual drives oil circuit for hydraulic hoist provides the hydraulic power unit of power, make the hydraulic hoist hydraulic power unit have two functions that drive, drive oil circuit by two covers, can drive the cage lifter lifting oil cylinder alone and promote the article carrying platform rising, avoid running into unexpected outage or power failure, cause hydraulic power unit out of service and cause the elevator accident.
Under the load capacity of lifting mechanism article carrying platform loading and unloading is not very heavy situation, the utility model also can disconnect the circuit of oil pump 3 CD-ROM drive motor 17, use the manual pump 9 on the manual drives oil circuit 7 of hydraulic power unit alone, hoist cylinder 20 delivery pressure oil for the elevator that connects, drive 20 operations of cage lifter lifting oil cylinder and promote the article carrying platform rising, both guaranteed that lifting mechanism normally moved handling goods, also reached the purpose of the conservation of power energy.
The utility model is equipped with the compression indicator of being controlled by pressure switch 13 14 at manual drives oil circuit 7, can promote the speed rhythm that the required pressure operation manual pump 9 of article carrying platforms be controlled lifting according to cage lifter lifting oil cylinder 20 intuitively.
Because the utility model is equipped with filter 15 at the chargine line of oil pump 3, the side plate of pumping plant fuel tank 1 is provided with oily temperature oil gauge 16, make for hydraulic hoist provide the hydraulic power unit of power safe, workable, when the hydraulic oil loss more for a long time, can be easily pouring orifice 18 filling oil plants from pumping plant fuel tank 1 cover plate 2, guarantee to provide for hydraulic hoist the reliable and stable operation of hydraulic power unit of power.
Above-mentioned embodiment is an example of the present utility model; not to limit enforcement of the present utility model and interest field; all equivalences of making according to the described content of the utility model patent protection scope change and modify, and all should be included in the utility model claim.
Claims (4)
1. a hydraulic hoist is with two driving hydraulic power units, comprise a hydraulic power unit fuel tank (1) that connects cage lifter lifting oil cylinder oil circuit, it is characterized in that, the cover plate (2) of described pumping plant fuel tank (1) is gone up the oil pump of installing (3) connects the cage lifter lifting oil cylinder through delivery conduit (4) hydraulic manifold block (5), oil circuit in the hydraulic manifold block (5) is connected to one tunnel manual drives oil circuit (7) and one road hydraulic circuit (8) through check valve (6), be connected to a manual pump (9) on the manual drives oil circuit (7) of described hydraulic manifold block (5), be respectively equipped with control oil pump (3) on the hydraulic circuit (8) of described hydraulic manifold block (5), the electromagnetic valve (10) of manual pump (9) oil circuit pressure and hand valve (11) and flow regulating valve (12).
2. hydraulic hoist according to claim 1 is characterized in that with two driving hydraulic power units, and the compression indicator (14) by pressure switch (13) control is housed on the described manual drives oil circuit (7).
3. hydraulic hoist according to claim 1 is characterized in that with two driving hydraulic power units, and filter (15) is housed on the chargine line of described oil pump (3).
4. hydraulic hoist according to claim 1 is characterized in that with two driving hydraulic power units the side plate of described pumping plant fuel tank (1) is provided with oily temperature oil gauge (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320093767 CN203173620U (en) | 2013-02-28 | 2013-02-28 | Dual-drive hydraulic power pack used for hydraulic elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320093767 CN203173620U (en) | 2013-02-28 | 2013-02-28 | Dual-drive hydraulic power pack used for hydraulic elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203173620U true CN203173620U (en) | 2013-09-04 |
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ID=49070356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320093767 Expired - Lifetime CN203173620U (en) | 2013-02-28 | 2013-02-28 | Dual-drive hydraulic power pack used for hydraulic elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203173620U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103130045A (en) * | 2013-02-28 | 2013-06-05 | 黄志全 | Dual-drive hydraulic power unit used by hydraulic elevator |
| CN103787180A (en) * | 2014-01-29 | 2014-05-14 | 中交天津航道局有限公司 | Double-driving lifting mechanism |
| CN103787176A (en) * | 2014-01-29 | 2014-05-14 | 河海大学常州校区 | Dual-drive lifting mechanism |
| CN103787177A (en) * | 2014-01-29 | 2014-05-14 | 河海大学常州校区 | Dual-drive lifting mechanism |
-
2013
- 2013-02-28 CN CN 201320093767 patent/CN203173620U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103130045A (en) * | 2013-02-28 | 2013-06-05 | 黄志全 | Dual-drive hydraulic power unit used by hydraulic elevator |
| CN103130045B (en) * | 2013-02-28 | 2014-07-09 | 黄志全 | Dual-drive hydraulic power unit used by hydraulic elevator |
| CN103787180A (en) * | 2014-01-29 | 2014-05-14 | 中交天津航道局有限公司 | Double-driving lifting mechanism |
| CN103787176A (en) * | 2014-01-29 | 2014-05-14 | 河海大学常州校区 | Dual-drive lifting mechanism |
| CN103787177A (en) * | 2014-01-29 | 2014-05-14 | 河海大学常州校区 | Dual-drive lifting mechanism |
| CN103787177B (en) * | 2014-01-29 | 2015-12-30 | 河海大学常州校区 | A kind of Dual Drive lifting mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130904 Effective date of abandoning: 20140709 |
|
| RGAV | Abandon patent right to avoid regrant |