CN203717486U - Power unit for telescopic lip plate dock ramp - Google Patents
Power unit for telescopic lip plate dock ramp Download PDFInfo
- Publication number
- CN203717486U CN203717486U CN201420070342.6U CN201420070342U CN203717486U CN 203717486 U CN203717486 U CN 203717486U CN 201420070342 U CN201420070342 U CN 201420070342U CN 203717486 U CN203717486 U CN 203717486U
- Authority
- CN
- China
- Prior art keywords
- integrated package
- power unit
- oil
- gear pump
- multiplex integrated
- 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.)
- Expired - Lifetime
Links
- 239000002828 fuel tank Substances 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 36
- 239000010720 hydraulic oil Substances 0.000 description 8
- 230000006872 improvement Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model belongs to the field of hydraulic lift equipment, and relates to a power device used for a hydraulic lift, in particular to a power unit for a telescopic lip plate dock ramp. The power unit comprises a multipurpose integrated block arranged in the vertical direction; an alternating-current motor is fixed on one side of the surface of the multipurpose integrated block, and a gear pump is fixed on the other side of the surface of the multipurpose integrated block; the output shaft of the alternating-current motor is connected with the input end of the gear pump through a coupler penetrating through the multipurpose integrated block; an oil tank is arranged on one side, corresponding to the gear pump, of the multipurpose integrated block; the oil inlet of the gear pump is connected with an oil inlet pipe, and the oil return port in the multipurpose integrated block is connected with an oil return pipe; the oil inlet pipe and the oil return pipe extend into the oil tank; a two-position three-way solenoid valve, a one-way throttle valve and an overflow valve are arranged on the surface of the front end of the multipurpose integrated block. The power unit integrates all parts, a hydraulic dock ramp can be effectively controlled, a load can effectively ascend at a constant speed, and the load can descend stably under the action of gravity.
Description
Technical field
The utility model belongs to hydraulic lift apparatus field, relates to the power plant that hydraulic lift uses, and specifically a kind of flexible labial lamina is stepped on vehicle bridge power unit.
Background technique
Nowadays, Loading or unloading platform has been a kind of common structural type at modern logistics scene.Hydraulic leveler is the Loading or unloading platform generally adopting at present, by hydraulic leveler and fork truck are used in conjunction with, can effectively realize handling operation in batches.For the most complex structure of power unit of power is provided to existing hydraulic leveler, need many people compounding practice, handling operation efficiency is low, causes material stream passed speed slow, existing power unit need to be near electrical source of power simultaneously, has limited the using scope of hydraulic leveler.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, ingenious, reasonably flexible labial lamina is stepped on vehicle bridge power unit, this power unit is by an integrated all parts whole unit, can effectively realize the control for hydraulic leveler, can effectively realize load and at the uniform velocity rise, and can make to load on steadily decline under Action of Gravity Field.
The technological scheme providing according to the utility model: a kind of flexible labial lamina is stepped on vehicle bridge power unit, be characterised in that: comprise the multiplex integrated package of vertically arranging, described multiplex integrated package surface one side is fixed with AC motor, opposite side is fixed with gear pump, and is connected by the coupling that runs through multiplex integrated package between the output shaft of described AC motor and the input end of gear pump; On described multiplex integrated package, be provided with fuel tank corresponding to gear pump one side, the return opening on the filler opening of gear pump and multiplex integrated package is connected with respectively oil inlet pipe, return tube, and described oil inlet pipe and return tube all stretch in fuel tank; Described multiplex integrated package front end surface is provided with two-bit triplet solenoid valve, one-way throttle valve and relief valve; Offer respectively the second oil outlet and the first oil outlet in multiplex integrated package upper end face broad ways, at multiplex integrated package upper end face, two position four-way solenoid valves are also installed simultaneously; Offer the 3rd oil outlet at multiplex integrated package rear portion, described the 3rd oil outlet is communicated with two position four-way solenoid valves, is also provided with built-in check valve at multiplex integrated package rear portion; Described two-bit triplet solenoid valve front end is communicated with two position four-way solenoid valves by oil circuit.
As further improvement of the utility model, described oil inlet pipe left end is connected with inlet oil filter.
As further improvement of the utility model, described built-in check valve is communicated with two position four-way solenoid valves.
As further improvement of the utility model, described two-bit triplet solenoid valve is connected one-way throttle valve, and described one-way throttle valve is connected the first oil outlet by pipeline.
As further improvement of the utility model, described two-bit triplet solenoid valve is communicated with the second oil outlet.
Compared with prior art, advantage is the utility model: the utility model small product size is little, lightweight, and the vibration and the noise that when work, produce are less, and sealing structure is high; In product, adopt more rationally compacter multiplex integrated package simultaneously, saved space, more optimized unitary construction; System, with throttling arrangement, can make to step on vehicle bridge and decline stably; The integrated energy loss link that will make of electric hydaulic power unit is few, without a large amount of sealings, can realize without pipe and connecting.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 be in Fig. 1 A-A to sectional view.
Fig. 3 be in Fig. 1 B-B to sectional view.
Fig. 4 is hydraulic schematic diagram of the present utility model.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Fig. 1 ~ 4, comprise fuel tank 1, inlet oil filter 2, AC motor 3, gear pump 4, built-in check valve 5, relief valve 6, two position four-way solenoid valves 7, two-bit triplet solenoid valve 8, one-way throttle valve 9, oil inlet pipe 10, return tube 11, coupling 12, multiplex integrated package 13, the second oil outlet 14, the 3rd oil outlet 15, the first oil outlet 16 etc.
As shown in Fig. 1 ~ 3, a kind of flexible labial lamina of the utility model is stepped on vehicle bridge power unit, comprise the multiplex integrated package 13(pump seat of vertically arranging), the surperficial side of described multiplex integrated package 13 is fixed with AC motor 3, opposite side is fixed with gear pump 4, and is connected by the coupling 12 that runs through multiplex integrated package 13 between the output shaft of described AC motor 3 and the input end of gear pump 4; On described multiplex integrated package 13, be provided with fuel tank 1 corresponding to gear pump 4 one sides, the return opening on the filler opening of gear pump 4 and multiplex integrated package is connected with respectively oil inlet pipe 10, return tube 11, and described oil inlet pipe 10 all stretches in fuel tank 1 with return tube 11; Described multiplex integrated package 13 front end surface are provided with two-bit triplet solenoid valve 8, one-way throttle valve 9 and relief valve 6; Offer respectively the second oil outlet 14 and the first oil outlet 16 in multiplex integrated package 13 upper end face broad wayss, at multiplex integrated package 13 upper end faces, two position four-way solenoid valves 7 are also installed simultaneously; Offer the 3rd oil outlet 15 at multiplex integrated package 13 rear portions, described the 3rd oil outlet 15 is communicated with two position four-way solenoid valves 7, is also provided with built-in check valve 5 at multiplex integrated package 13 rear portions; Described two-bit triplet solenoid valve 8 front ends are communicated with two position four-way solenoid valves 7 by oil circuit.
Described oil inlet pipe 10 left end are connected with inlet oil filter 2.
Described built-in check valve 5 is communicated with two position four-way solenoid valves 7.
Described two-bit triplet solenoid valve 8 is connected one-way throttle valve 9, and described one-way throttle valve 9 is connected the first oil outlet 16 by pipeline.
Described two-bit triplet solenoid valve 8 is communicated with the second oil outlet 14.
Gear pump 4 in the utility model is high-pressure small-displacement gear pump.
As shown in Figure 4, working principle of the present utility model is as follows: one, the lifting of load platform and labial lamina telescopic process: start AC motor 3, the rotation of AC motor 3 is rotated action by coupling 12 driven gear pumps 4, after gear pump 4 rotations, produce suction and pass through inlet oil filter 2, oil inlet pipe 10 from the interior oil suction of fuel tank 1, hydraulic oil enters multiplex integrated package 13 after by high-pressure small-displacement gear pump 4, and multiplex integrated package 13 plays the effect of pump seat; Hydraulic oil enters two position four-way solenoid valve 7, two position four-way solenoid valve 7 no electric circuits by the built-in check valve 5 being arranged in multiplex integrated package 13, and hydraulic oil enters two-bit triplet solenoid valve 8; Two-bit triplet solenoid valve 8 is switched on, and hydraulic oil enters one-way throttle valve 9 through two-bit triplet solenoid valve 8 and arrives the first oil outlet 16 being connected with external master cylinder, and promotes hydraulic jack and start to move; Start AC motor 3, two position four-way solenoid valves 7, two-bit triplet solenoid valve 8 no electric circuits, hydraulic oil enters the second oil outlet 14 being connected with flexible labial lamina oil cylinder one end by two position four-way solenoid valves 7, two-bit triplet solenoid valve 8; Labial lamina is released, and switches on to two position four-way solenoid valves 7, two-bit triplet solenoid valve 8 no electric circuits, and hydraulic oil enters the 3rd oil outlet 15 being connected with the flexible labial lamina oil cylinder the other end through two position four-way solenoid valves 7, and labial lamina is retracted.
Load platform decline process: external Hydraulic Main oil cylinder is given rise to after specified position, close AC motor 3, two position four-way solenoid valves 7 and two-bit triplet solenoid valve 8 are switched on simultaneously, under Action of Gravity Field, hydraulic oil enters two-bit triplet solenoid valve 8 and two position four-way solenoid valves 7 in return tube 11 is got back to fuel tank 1 by one-way throttle valve 9, thereby hydraulic jack declines.As shown in Figure 4, effect and the regulating method of the relief valve 6 in the utility model product: in the time that load overload or other reasons cause system pressure to exceed relief valve 6 setting pressure, hydraulic oil can directly overflow in fuel tank 1 by relief valve 6, thereby ensures that system pressure is all the time under safety pressure (relief valve 6 setting pressures).Must note a bit: must working pressure table while setting relief valve 6 pressure, the adjusting screw that turns clockwise 45 is spent, relief valve 6 pressure rise 1.2Mpa left and right, vice versa, after having regulated, screws cap.
Claims (5)
1. a flexible labial lamina is stepped on vehicle bridge power unit, it is characterized in that: comprise the multiplex integrated package (13) of vertically arranging, the surperficial side of described multiplex integrated package (13) is fixed with AC motor (3), opposite side is fixed with gear pump (4), and is connected by the coupling (12) that runs through multiplex integrated package (13) between the output shaft of described AC motor (3) and the input end of gear pump (4); Described multiplex integrated package (13) is upper is provided with fuel tank (1) corresponding to gear pump (4) one sides, return opening on filler opening and the multiplex integrated package of gear pump (4) is connected with respectively oil inlet pipe (10), return tube (11), and described oil inlet pipe (10) all stretches in fuel tank (1) with return tube (11); Described multiplex integrated package (13) front end surface is provided with two-bit triplet solenoid valve (8), one-way throttle valve (9) and relief valve (6); Offer respectively the second oil outlet (14) and the first oil outlet (16) in multiplex integrated package (13) upper end face broad ways, at multiplex integrated package (13) upper end face, two position four-way solenoid valves (7) are also installed simultaneously; Offer the 3rd oil outlet (15) at multiplex integrated package (13) rear portion, described the 3rd oil outlet (15) is communicated with two position four-way solenoid valves (7), is also provided with built-in check valve (5) at multiplex integrated package (13) rear portion; Described two-bit triplet solenoid valve (8) front end is communicated with two position four-way solenoid valves (7) by oil circuit.
2. flexible labial lamina as claimed in claim 1 is stepped on vehicle bridge power unit, it is characterized in that: described oil inlet pipe (10) left end is connected with inlet oil filter (2).
3. flexible labial lamina as claimed in claim 1 is stepped on vehicle bridge power unit, it is characterized in that: described built-in check valve (5) is communicated with two position four-way solenoid valves (7).
4. flexible labial lamina as claimed in claim 1 is stepped on vehicle bridge power unit, it is characterized in that: described two-bit triplet solenoid valve (8) is connected one-way throttle valve (9), and described one-way throttle valve (9) is connected the first oil outlet (16) by pipeline.
5. flexible labial lamina as claimed in claim 1 is stepped on vehicle bridge power unit, it is characterized in that: described two-bit triplet solenoid valve (8) is communicated with the second oil outlet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420070342.6U CN203717486U (en) | 2014-02-18 | 2014-02-18 | Power unit for telescopic lip plate dock ramp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420070342.6U CN203717486U (en) | 2014-02-18 | 2014-02-18 | Power unit for telescopic lip plate dock ramp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717486U true CN203717486U (en) | 2014-07-16 |
Family
ID=51156645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420070342.6U Expired - Lifetime CN203717486U (en) | 2014-02-18 | 2014-02-18 | Power unit for telescopic lip plate dock ramp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545837A (en) * | 2016-02-05 | 2016-05-04 | 北京奥赛旗石油科技开发有限公司 | Electro-hydraulic controller |
-
2014
- 2014-02-18 CN CN201420070342.6U patent/CN203717486U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545837A (en) * | 2016-02-05 | 2016-05-04 | 北京奥赛旗石油科技开发有限公司 | Electro-hydraulic controller |
| CN105545837B (en) * | 2016-02-05 | 2017-07-28 | 北京奥赛旗石油科技开发有限公司 | Electrohydraulic controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 214112 225, Jiangsu, Wuxi, New Town Industrial Zone Patentee after: Buch Hydraulic (Wuxi) Co.,Ltd. Address before: 214112 No. 225, tin Tai Road, Mei Village, Wuxi New District, Jiangsu Patentee before: WUXI DELI FLUID TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
|
| CX01 | Expiry of patent term |