CN203284162U - Fork truck hydraulic oil cooling system for auxiliary hydraulic oil cooling - Google Patents
Fork truck hydraulic oil cooling system for auxiliary hydraulic oil cooling Download PDFInfo
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- CN203284162U CN203284162U CN2013202879048U CN201320287904U CN203284162U CN 203284162 U CN203284162 U CN 203284162U CN 2013202879048 U CN2013202879048 U CN 2013202879048U CN 201320287904 U CN201320287904 U CN 201320287904U CN 203284162 U CN203284162 U CN 203284162U
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- oil
- hydraulic oil
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- fork truck
- cooling system
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Abstract
The utility model discloses a fork truck hydraulic oil cooling system for auxiliary hydraulic oil cooling. The fork truck hydraulic oil cooling system comprises a hydraulic oil tank which is connected with one ends of a rear gear pump and a front gear pump respectively by virtue of a first oil-sucking rubber tube and a second oil-sucking rubber tube, and the other ends of the rear gear pump and the front gear pump are respectively connected with a multiway valve by virtue of a first high-pressure rubber tube and a second high-pressure rubber tube; one end of the multiway valve is connected with a working system. The fork truck hydraulic oil cooling system is characterized in that the oil return end of the multiway valve is connected with one end of an oil cooler by virtue of a second oil return rubber tube, and the other end of the oil cooler is connected with the oil return end of the hydraulic oil tank by virtue of a third oil return rubber tube. According to the fork truck hydraulic oil cooling system, the service life of the hydraulic system is prolonged, the working efficiency of a fork truck is improved, and the fork truck hydraulic oil cooling system is applicable to occasions with high ambient temperatures.
Description
Technical field
The utility model relates to a kind of fork truck hydraulic oil cooling system of hydraulic oil auxiliary heat dissipation, belongs to the fork truck technical field.
Background technology
In Forklift Industry, the radiating mode of fork truck hydraulic oil is the hydraulic efficiency pressure system natural heat dissipation at present, is mainly hydraulic oil and is circulated to the hydraulic reservoir natural heat dissipation.As shown in Figure 1, for having the structural representation of fork truck hydraulic oil cooling system now.the first oil suction steel pipe 2 on hydraulic reservoir 1 is connected with the first oil suction joint 5 on rear gear pump 6 one ends by the first oil suction hose 4, First Transition joint 7 on rear gear pump 6 other ends is connected with the 4th crossover sub 16 on multiway valve 17 by the first high-pressure rubber pipe 8, the second oil suction steel pipe 9 on hydraulic reservoir 1 is connected by the second oil suction joint 11 on an end of the second oil suction hose 10 and nipper wheel pump 12, the second crossover sub 13 on the other end of nipper wheel pump 12 is connected with the 3rd crossover sub 15 on multiway valve 17 by the second high-pressure rubber pipe 14, the oil revolving end of multiway valve 17 is provided with the first back leakage connection 19, the first back leakage connection 19 is connected by the oil return steel pipe 21 on the oil revolving end of the first oil return sebific duct 20 and hydraulic reservoir 1.Fork truck is in when work, and the hydraulic oil in hydraulic efficiency pressure system constantly produces heat, and hydraulic fluid temperature constantly raises, and when the heat that produces when hydraulic oil and natural heat dissipation reached dynamical equilibrium, the temperature of hydraulic oil no longer raise, and this moment, temperature was equilibrium temperature.If long-time hydraulic oil temperature is too high, each element of fragile hydraulic efficiency pressure system, have a strong impact on the service life of hydraulic efficiency pressure system and the work efficiency of fork truck.Present 4.5t hydraulic fork lift, the higher problem of ubiquity balance oil temperature, when ambient temperature is higher, only depend on natural heat dissipation to be difficult to meet the working oil temperature requirement, and oil temperature easily exceeds standard range.
Summary of the invention
The technical problems to be solved in the utility model is: in existing fork truck hydraulic oil cooling system, only depend on natural heat dissipation to be difficult to meet the working oil temperature requirement, oil temperature easily exceeds standard range, if long-time hydraulic oil temperature is too high, each element of fragile hydraulic efficiency pressure system, have a strong impact on the service life of hydraulic efficiency pressure system and the work efficiency of fork truck.
in order to solve the problems of the technologies described above, the technical solution of the utility model has been to provide a kind of fork truck hydraulic oil cooling system of hydraulic oil auxiliary heat dissipation, comprise hydraulic reservoir, hydraulic reservoir is respectively by the first oil suction hose, the second oil suction hose respectively with rear gear pump, one end of nipper wheel pump connects, rear gear pump, the other end of nipper wheel pump is respectively by the first high-pressure rubber pipe, the second high-pressure rubber pipe all is connected with multiway valve, one end of multiway valve is connected with work system, it is characterized in that, the oil revolving end of multiway valve is connected with an end of oil radiator by the second oil return sebific duct, the other end of oil radiator is connected with the oil revolving end of hydraulic reservoir by the 3rd oil return sebific duct.
preferably, the first oil suction steel pipe on described hydraulic reservoir is connected with the first oil suction joint on rear gear pump one end by the first oil suction hose, First Transition joint on the rear gear pump other end is connected with the 4th crossover sub on multiway valve by the first high-pressure rubber pipe, the second oil suction steel pipe on hydraulic reservoir is connected by the second oil suction joint on an end of the second oil suction hose and nipper wheel pump, the second crossover sub on the other end of nipper wheel pump is connected with the 3rd crossover sub on multiway valve by the second high-pressure rubber pipe, the oil revolving end of multiway valve is provided with the first back leakage connection, the first back leakage connection is connected by the second back leakage connection on an end of the second oil return sebific duct and oil radiator, the 3rd back leakage connection on the other end of oil radiator is connected by the oil return steel pipe on the oil revolving end of the 3rd oil return sebific duct and hydraulic reservoir.
The utility model adopts the hydraulic oil that work system is flowed back to first to lead to the oil radiator heat radiation, flow back into again hydraulic reservoir, replace original fork truck hydraulic oil cooling system, hydraulic oil in work system directly flows back to fuel tank, thereby promoted the radiating rate of hydraulic oil, reduced the hydraulic working oil equilibrium temperature of hydraulic efficiency pressure system, avoided each element of hydraulic efficiency pressure system to damage because oil temperature is high, improved the service life of hydraulic efficiency pressure system and the work efficiency of fork truck, met the ambient temperature high field and close.
Description of drawings
Fig. 1 is the structural representation of existing fork truck hydraulic oil cooling system;
Fig. 2 is a kind of structural representation of fork truck hydraulic oil cooling system of hydraulic oil auxiliary heat dissipation.
The specific embodiment
, for the utility model is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
The utility model is a kind of fork truck hydraulic oil cooling system of hydraulic oil auxiliary heat dissipation, as shown in Figure 2, is a kind of structural representation of fork truck hydraulic oil cooling system of hydraulic oil auxiliary heat dissipation.the first oil suction steel pipe 2 on hydraulic reservoir 1 is connected with an end locking of the first oil suction hose 4 by larynx hoop 3, the other end of the first oil suction hose 4 is connected with an end of the first oil suction joint 5, the other end of the first oil suction joint 5 is connected with an end of rear gear pump 6, the other end of rear gear pump 6 is connected with an end of First Transition joint 7, the other end of First Transition joint 7 is connected with an end of the first high-pressure rubber pipe 8, the other end of the first high-pressure rubber pipe 8 is connected with an end of the 4th crossover sub 16, and the other end of the 4th crossover sub 16 is connected with multiway valve 17, the second oil suction steel pipe 9 on hydraulic reservoir 1 is connected with an end locking of the second oil suction hose 10 by larynx hoop 3, the other end of the second oil suction hose 10 is connected with an end of the second oil suction joint 11, the other end of the second oil suction joint 11 is connected with an end of nipper wheel pump 12, the other end of nipper wheel pump 12 is connected with an end of the second crossover sub 13, the other end of the second crossover sub 13 is connected with an end of the second high-pressure rubber pipe 14, the other end of the second high-pressure rubber pipe 14 is connected with an end of the 3rd crossover sub 15, and the other end of the 3rd crossover sub 15 is connected with multiway valve 17, multiway valve 17 parts are connected with work system 18, multiway valve 17 oil return ports are connected with an end of the first back leakage connection 19, the other end of the first back leakage connection 19 is connected with an end of the second oil return sebific duct 22, the other end of the second oil return sebific duct 22 is connected with an end of the second back leakage connection 23, the other end of the second back leakage connection 23 is connected with an end of oil radiator 24, the other end of oil radiator 24 is connected with an end of the 3rd back leakage connection 25, the other end of the 3rd back leakage connection 25 is connected with an end of the 3rd oil return sebific duct 26, the other end of the 3rd oil return sebific duct 26 is connected with the oil return steel pipe 26 on hydraulic reservoir 1.
The utility model adopts the hydraulic oil that work system is flowed back to first to lead to oil radiator 24 heat radiations, then flow back into hydraulic reservoir 1, replaces original fork truck hydraulic oil cooling system, and the hydraulic oil in work system directly flows back to hydraulic reservoir 1.
Claims (2)
1. the fork truck hydraulic oil cooling system of a hydraulic oil auxiliary heat dissipation, comprise hydraulic reservoir (1), hydraulic reservoir (1) is respectively by the first oil suction hose (4), the second oil suction hose (10) respectively with rear gear pump (6), one end of nipper wheel pump (12) connects, rear gear pump (6), the other end of nipper wheel pump (12) is respectively by the first high-pressure rubber pipe (8), the second high-pressure rubber pipe (14) all is connected with multiway valve (17), one end of multiway valve (17) is connected with work system (18), it is characterized in that, the oil revolving end of multiway valve (17) is connected with an end of oil radiator (24) by the second oil return sebific duct (22), the other end of oil radiator (24) is connected with the oil revolving end of hydraulic reservoir (1) by the 3rd oil return sebific duct (26).
2. the fork truck hydraulic oil cooling system of a kind of hydraulic oil auxiliary heat dissipation as claimed in claim 1, it is characterized in that, the first oil suction steel pipe (2) on described hydraulic reservoir (1) is connected with the first oil suction joint (5) on rear gear pump (6) one ends by the first oil suction hose (4), First Transition joint (7) on rear gear pump (6) other end is connected with the 4th crossover sub (16) on multiway valve (17) by the first high-pressure rubber pipe (8), the second oil suction steel pipe (9) on hydraulic reservoir (1) is connected by the second oil suction joint (11) on an end of the second oil suction hose (10) and nipper wheel pump (12), the second crossover sub (13) on the other end of nipper wheel pump (12) is connected with the 3rd crossover sub (15) on multiway valve (17) by the second high-pressure rubber pipe (14), the oil revolving end of multiway valve (17) is provided with the first back leakage connection (19), the first back leakage connection (19) is connected by the second back leakage connection (23) on an end of the second oil return sebific duct (22) and oil radiator (24), the 3rd back leakage connection (25) on the other end of oil radiator (24) is connected by the oil return steel pipe (21) on the oil revolving end of the 3rd oil return sebific duct (26) and hydraulic reservoir (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202879048U CN203284162U (en) | 2013-05-23 | 2013-05-23 | Fork truck hydraulic oil cooling system for auxiliary hydraulic oil cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202879048U CN203284162U (en) | 2013-05-23 | 2013-05-23 | Fork truck hydraulic oil cooling system for auxiliary hydraulic oil cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203284162U true CN203284162U (en) | 2013-11-13 |
Family
ID=49540537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202879048U Expired - Lifetime CN203284162U (en) | 2013-05-23 | 2013-05-23 | Fork truck hydraulic oil cooling system for auxiliary hydraulic oil cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203284162U (en) |
-
2013
- 2013-05-23 CN CN2013202879048U patent/CN203284162U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |