CN205190430U - Charge pump, hydro -cylinder integration mechanism, hydraulic control system and electric pallet truck - Google Patents
Charge pump, hydro -cylinder integration mechanism, hydraulic control system and electric pallet truck Download PDFInfo
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- CN205190430U CN205190430U CN201520885041.3U CN201520885041U CN205190430U CN 205190430 U CN205190430 U CN 205190430U CN 201520885041 U CN201520885041 U CN 201520885041U CN 205190430 U CN205190430 U CN 205190430U
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Abstract
The utility model provides a charge pump, hydro -cylinder integration mechanism, hydraulic control system and electric pallet truck, belongs to industry vehicle technical field. A charge pump, hydro -cylinder integration mechanism, includes the pump body, valve body, assembly hydro -cylinder, the pump of assembly on the valve body and the valve system of pump motor, control fuel feeding and oil return process on the pump body, the valve body is in the same place with pump body installation, the pump body has the cavity as the oil tank, have in the valve body with the voltol oil self -pumping carry the fuel feeding oil circuit to the hydro -cylinder in and access to respectively the hydro -cylinder inside with the oil tank inside first oil return way and second oil return way. A hydraulic control system for aforementioned charge pump, hydro -cylinder integration mechanism. An electric pallet truck, installs aforementioned charge pump, hydro -cylinder integration mechanism. The utility model discloses charge pump, hydro -cylinder integration mechanism, electric pallet truck, with low costs, simple structure is compact, and space utilization is high, is convenient for maintain and use. And hydraulic control system's hydraulic control performance is quicker, effective, improves work efficiency.
Description
Technical field
The utility model relates to industrial vehicle technical field, particularly relates to a kind of electric pump, oil cylinder integrated mechanism, hydraulic control system and electrocar.
Background technique
Existing traditional industry vehicle, hydraulic system forms primarily of pump motor, oil hydraulic pump, valve body, solenoid valve, fuel tank, oil cylinder and oil pipe.Hydraulic system about pumping plant and oil cylinder is arranged, because system comprises multiple constituent element, and each constituent element is split the different parts at whole vehicle, and such dismounting is very inconvenient with maintenance, and hydraulic system takes up room comparatively large, and cost is higher.Utility model patent ZL95234593.5 discloses a kind of electrocar, saying and specifically disclosing direct current generator, fuel tank and oil pump is fixed on car body, oil pump is contained in fuel tank, and oil pump is connected with the direct current generator that rises and falls be positioned at above fuel tank by coupling, and oil cylinder is fixed on above balancing stand.Integrated structure failed by this model utility oil pump and oil cylinder, its hydraulic system formed is arranged, is arranged in multiple positions of vehicle, and this makes the installation of the valve member connecting oil circuit be distributed in multiple position, the tubing length that oil circuit connects is long, outside exposed, is not easy to Long-Time Service.
Model utility content
In order to solve the problems of the technologies described above, the purpose of this utility model is to provide that a kind of cost is low, simple and compact for structure, modularization is installed, working service a kind of electric pump, oil cylinder integrated mechanism, hydraulic control system and electrocar easily.
The utility model provides a kind of electric pump, oil cylinder integrated mechanism, comprises the pump housing, valve body, the oil cylinder be assemblied on the pump housing, is assemblied in the valve system of pump on valve body and pump motor, control fuel feeding and oil return process; Described valve body and the described pump housing are installed together; The described pump housing has the cavity as fuel tank; Have in described valve body by high pressure oil from described transport pump extremely in-oil cylinder oil feeding line, and lead to the first oil circuit and second oil circuit of described oil cylinder inside and described fuel tank internal respectively.
Oil cylinder and fuel tank are arranged on the pump housing by this integrated mechanism, pump motor and pump are arranged on valve body, again valve body and the pump housing are assembled into integrative-structure, utilize valve body to realize the connection of internal oil passages simultaneously, solve the parts multiple position step in prior art in hydraulic system like this and cause the problem that the large oil pipe be connected with oil circuit of structural volume is long and exposed, make simple and compact for structure, effectively reduce cost, assembling, maintenance, use also become convenient, improve operating efficiency further.
As preferably, described valve system comprises and controls described first oil circuit and the oil return control valve of described second oil circuit, the one-way valve be assemblied on described oil feeding line.
As preferably, described oil return control valve is solenoid valve or manually operated valve.
As preferably, described valve system also comprises the relief valve preventing system pressure too high.
As preferably, described valve system also comprises the throttle valve be located between described first oil circuit and the second oil circuit.
As preferably, the mode that described valve body and the described pump housing are installed together replaces with described valve body and the described pump housing is processed into an overall structure.
The utility model also provides a kind of hydraulic control system, and for aforementioned electric pump, oil cylinder integrated mechanism, described valve system comprises oil return control valve, one-way valve, relief valve, throttle valve; The oil outlet of described fuel tank connects the filler opening of the pump driven by described pump motor, and the oil outlet of described pump connects described relief valve and described one-way valve respectively, connects described oil cylinder, oil return control valve, throttle valve after described one-way valve successively.
This hydraulic control system, is based upon on aforementioned integrated mechanism.It opens oil passage warp by one-way valve, and prevents fluid reverse backflow; By oil return control valve, as solenoid valve or manually operated valve open or close oil circuit warp; Utilize relief valve, prevent system pressure too high, utilize throttle valve control oil return speed.Whole like this hydraulic control system is more efficient.
As preferably, described hydraulic control system also comprises filter.
As preferentially, between described fuel tank and described pump and between described oil cylinder and described oil return control valve, be equipped with filter.
The utility model also provides a kind of electrocar being provided with aforementioned electric pump, oil cylinder integrated mechanism.
This electrocar, after electric pump, oil cylinder integrated mechanism are housed, complete vehicle structure is simple, and reasonable structural arrangement, reduces integral vehicle cost, the convenience improve use, safeguarding.
The beneficial effects of the utility model:
The utility model electric pump, oil cylinder integrated mechanism, electrocar, cost is low, simple and compact for structure, takes up room little, modularization can install, simplifies assemble flow, is convenient to safeguard and use.Further, for the hydraulic control system of above-mentioned electric pump, oil cylinder integrated mechanism, hydraulic control performance more fast, effectively.
Figure of description
Fig. 1 is the schematic perspective view of a kind of electric pump of the utility model, oil cylinder integrated mechanism;
Fig. 2 is the sectional view of Fig. 1 on 1-1 direction;
Fig. 3 is the sectional view of Fig. 1 on 2-2 direction;
Fig. 4 is a kind of hydraulic control system of the utility model;
1-oil cylinder; The 2-pump housing; 3-oil return control valve; 4-fuel sucking pipe; 5-high-voltage tube; 6-valve body; 7-pump; 8-pump motor; 9-one-way valve; 10-relief valve; 11-throttle valve; 12-filter; 13-fuel tank; A-oil feeding line; B-first oil circuit; C-second oil circuit.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As Fig. 1-3, a kind of electric pump of the utility model, oil cylinder integrated mechanism comprise the pump housing 2, valve body 6, oil cylinder 1, pump 7, pump motor 8 and valve system.Described oil cylinder 1 assembles, or is welded on the described pump housing 2.In the described pump housing 2, have cavity, in order to oil storage, can be used as fuel tank, the described like this pump housing 2 is oil cylinder 1, fuel tank 13 from top to bottom.Described pump 7 is connected with described pump motor 8, and described pump motor 8 and described pump 7 are assemblied on described valve body 6 successively from top to bottom.Afterwards, can valve body 6 be arranged on the pump housing 2, as assembling or welding manner are installed; Or an overall structure is cast or be processed into valve body 6 and the pump housing 2.And in described valve body, be provided with internal oil passages, realize enclosed fuel feeding, oil return between the pump housing 2 and valve body.The structure of such integration, the mechanism that this hydraulic system is formed is an integral module structure, assemble, safeguard convenient, utilize space better, avoid, because of the dispersion of component distribution position, causing connecting complexity, oil pipe is long, the oil pipe too much problem such as exposed, further increases working efficiency.
Wherein, there is the oil feeding line A be delivered to from described pump 7 by high pressure oil in oil cylinder 1, oil feeding line A as shown in Figure 2,3 in described valve body 6.And there is the first oil circuit B and the second oil circuit C, the first oil circuit B as shown in Figure 2,3 and the second oil circuit C that lead to described oil cylinder 1 inside and described fuel tank 13 inside respectively.Described valve system comprises oil return control valve 3, one-way valve 9, relief valve 10, throttle valve 11.On A, assemble one-way valve 9 in oil passage, can prevent the reverse oil return of fluid, described one-way valve 9 can be tubular type one-way valve or plate-type non-return valve 9; In order to prevent on oil circuit, be equipped with oil return control valve between the first oil circuit B and the second oil circuit C, described oil return control valve 3 can be solenoid valve or manually operated valve; In order to prevent system pressure too high, described relief valve 10 can be assembled; In order to control oil return speed, assemble throttle valve 11 described between oil return circuit B, C.Specifically see accompanying drawing 4, in described hydraulic control system, the oil outlet of described fuel tank 13 connects the filler opening of the pump 7 driven by described pump motor 8, the oil outlet of described pump 7 connects described relief valve 10 and described one-way valve 9 respectively, connects described oil cylinder 1, oil return control valve 3, throttle valve 11 successively after described one-way valve 9.In order to remove the oily impurity in fuel tank, described hydraulic control system also comprises filter 12, wherein can be equipped with filter 12 between described fuel tank 13 and described pump 7 and between described oil cylinder 1 and described oil return control valve 3.
When pump motor 8 driven pump 7, by fuel sucking pipe 4 from oil suction in the fuel tank 13 of the pump housing 2, by high-voltage tube 5, high pressure oil is fed in valve body 6.The high pressure oil of pump confession is sent into oil cylinder 1 through oil feeding line A inner, drive oil cylinder 1 cylinder bar to carry out work.By oil return control valve 3, oil circuit warp can be opened, realize oil return, the cylinder bar of oil cylinder 1 is resetted.When pump 7 works, pressure exceedes rated working pressure, high pressure oil just directly flows back to fuel tank 13 by relief valve 10, to ensure work safety.Wherein said fuel sucking pipe 4 and high-voltage tube 5 can be seen in the drawings, are arranged on integral mechanism outside, because integral structure is compact, make external oil pipe short, and obviously not projecting, are convenient to assembling.
Above-mentioned electric pump, oil cylinder integrated mechanism can modular assembly on electrocar, assembling, safeguard simple, reduce electrocar overall weight and volume, improve carrier property easy to use, flexibility and high efficiency.
Embodiment recited above is described the preferred embodiment of the present invention, not limits the spirit and scope of the present invention.Under the prerequisite not departing from design concept of the present invention; the various modification that related domain ordinary person makes technological scheme of the present invention and improvement; all should drop into protection scope of the present invention, the technology contents of request protection of the present invention, all records in detail in the claims.
Claims (10)
1. an electric pump, oil cylinder integrated mechanism, it is characterized in that, comprise the pump housing (2), valve body (6), the oil cylinder (1) be assemblied on the pump housing (2), the valve system that is assemblied in pump (7) on valve body (6) and pump motor (8), controls fuel feeding and oil return process; Described valve body (6) and the described pump housing (2) are installed together; The described pump housing (2) has the cavity as fuel tank (13); There is in described valve body (6) oil feeding line (A) be delivered to from described pump (7) by high pressure oil in oil cylinder (1), and lead to the first oil circuit (B) and second oil circuit (C) of inner and described fuel tank (13) inside of described oil cylinder (1) respectively.
2. a kind of electric pump, oil cylinder integrated mechanism according to claim 1, it is characterized in that, described valve system comprises described first oil circuit (B) of control and the oil return control valve (3) of described second oil circuit (C), the one-way valve (9) be assemblied on described oil feeding line (A).
3. a kind of electric pump, oil cylinder integrated mechanism according to claim 2, it is characterized in that, described oil return control valve (3) is solenoid valve or manually operated valve.
4. a kind of electric pump, oil cylinder integrated mechanism according to claim 2, it is characterized in that, described valve system also comprises the relief valve (10) preventing system pressure too high.
5. a kind of electric pump, oil cylinder integrated mechanism according to claim 2 or 4, is characterized in that, described valve system also comprises the throttle valve (11) be located between described first oil circuit (A) and the second oil circuit (B).
6. a kind of electric pump, oil cylinder integrated mechanism according to claim 1, it is characterized in that, the mode that described valve body (6) and the described pump housing (2) are installed together replaces with described valve body (6) and is processed into an overall structure with the described pump housing (2).
7. a hydraulic control system, it is characterized in that, for electric pump, the oil cylinder integrated mechanism of aforementioned claim 1 or 6, described valve system comprises oil return control valve (3), one-way valve (9), relief valve (10), throttle valve (11); The oil outlet of described fuel tank (13) connects the filler opening of the pump (7) driven by described pump motor (8), the oil outlet of described pump (7) connects described relief valve (10) and described one-way valve (9) respectively, connects described oil cylinder (1), oil return control valve (3), throttle valve (11) successively after described one-way valve (9).
8. a kind of hydraulic control system according to claim 7, it is characterized in that, described hydraulic control system also comprises filter (12).
9. a kind of hydraulic control system according to claim 8, it is characterized in that, between described fuel tank (13) and described pump (7) and between described oil cylinder (1) and described oil return control valve (3), be equipped with filter (12).
10. one kind is provided with the electrocar of the described a kind of electric pump of one of aforementioned claim 1-6, oil cylinder integrated mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520885041.3U CN205190430U (en) | 2015-11-09 | 2015-11-09 | Charge pump, hydro -cylinder integration mechanism, hydraulic control system and electric pallet truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520885041.3U CN205190430U (en) | 2015-11-09 | 2015-11-09 | Charge pump, hydro -cylinder integration mechanism, hydraulic control system and electric pallet truck |
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| Publication Number | Publication Date |
|---|---|
| CN205190430U true CN205190430U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520885041.3U Active CN205190430U (en) | 2015-11-09 | 2015-11-09 | Charge pump, hydro -cylinder integration mechanism, hydraulic control system and electric pallet truck |
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| CN (1) | CN205190430U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487442A (en) * | 2017-09-28 | 2017-12-19 | 辽宁圣华机电设备制造有限公司 | A kind of hydraulic actuation system |
| CN108591143A (en) * | 2018-06-09 | 2018-09-28 | 湖北脉辉金茂机械有限公司 | Oil circuit concealed electric floor truck |
| CN116608181A (en) * | 2023-05-19 | 2023-08-18 | 湖北盛达动力科技有限公司 | Combined power unit for replacing electricity of heavy truck |
-
2015
- 2015-11-09 CN CN201520885041.3U patent/CN205190430U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487442A (en) * | 2017-09-28 | 2017-12-19 | 辽宁圣华机电设备制造有限公司 | A kind of hydraulic actuation system |
| CN107487442B (en) * | 2017-09-28 | 2024-01-12 | 辽宁港泰航空科技有限公司 | Hydraulic actuating system |
| CN108591143A (en) * | 2018-06-09 | 2018-09-28 | 湖北脉辉金茂机械有限公司 | Oil circuit concealed electric floor truck |
| CN108591143B (en) * | 2018-06-09 | 2023-09-22 | 湖北脉辉金茂机械有限公司 | Electric carrying trolley with concealed oil circuit |
| CN116608181A (en) * | 2023-05-19 | 2023-08-18 | 湖北盛达动力科技有限公司 | Combined power unit for replacing electricity of heavy truck |
| CN116608181B (en) * | 2023-05-19 | 2024-01-19 | 湖北盛达动力科技有限公司 | Combined power unit for replacing electricity of heavy truck |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 313100 Changxing County, Huzhou, Taihu street, long State Road, No. 528, No. Patentee after: Connaught machinery Limited by Share Ltd Address before: 313100 Changxing County Economic Development Zone, Zhejiang, Huzhou, No. 1 road, No. 58 Patentee before: Zhejiang Nuoli Machinery Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |
Address after: No. 528 Changzhou Road, Changxing County Taihu street, Huzhou, Zhejiang Patentee after: Nuo intelligent equipment Limited by Share Ltd Address before: No. 528 Changzhou Road, Changxing County Taihu street, Huzhou, Zhejiang Patentee before: Connaught machinery Limited by Share Ltd |