CN203865986U - Hydraulic oil cooling device for medium-tonnage fork truck - Google Patents
Hydraulic oil cooling device for medium-tonnage fork truck Download PDFInfo
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- CN203865986U CN203865986U CN201420228660.0U CN201420228660U CN203865986U CN 203865986 U CN203865986 U CN 203865986U CN 201420228660 U CN201420228660 U CN 201420228660U CN 203865986 U CN203865986 U CN 203865986U
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- pipe
- hydraulic oil
- oil
- joint
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Abstract
The utility model relates to the technical field of fork trucks, and particularly to a hydraulic oil cooling device used for a medium-tonnage fork truck. The hydraulic oil cooling device used for the medium-tonnage fork truck comprises a high-temperature circuit and a low-temperature loop, wherein the high-temperature circuit comprises a steering device, an oil cooler and a hydraulic oil box; the steering device is connected with the oil cooler through a first oil pipe; the hydraulic oil filter is connected between the oil cooler and the hydraulic oil box; the hydraulic oil filter is connected with the oil cooler and the hydraulic oil box respectively through a second oil pipe and a third oil pipe; the low-temperature loop comprises an engine and an oil cooler; the engine is connected with connected with the oil cooler respectively through a cooling liquid inlet pipe and a cooling liquid return pipe; the engine is connected with the radiator through a return pipe; the return pipe is provided with a T-branch joint; the T-branch joint is connected with the engine, the radiator and the cooling liquid inlet pipe respectively; a return joint is arranged between the cooling liquid return pipe and the engine. The hydraulic oil cooling device used for the medium-tonnage fork truck can rapidly reduce a high temperature of hydraulic oil generated in a working process, and enables each part of a hydraulic system to be able to work within a reasonable temperature range.
Description
Technical field
The utility model relates to a kind of fork truck technical field, relates in particular to a kind of tonnage fork truck hydraulic oil cooling device.
Background technology
At present, the overheated problem of 5-10 ton tonnage fork truck ubiquity hydraulic oil, especially at hot weather.In hydraulic efficiency pressure system, the overheated meeting of hydraulic oil causes serious impact to mechanical equipment, as causes hydraulic fluid leak to increase, and hydraulic valve is stuck, Hydraulic Elements cavitation pitting, and the phenomenons such as oil filter obstruction, make hydraulic efficiency pressure system cisco unity malfunction, and increase maintenance cost.On tonnage fork truck, generally there is not at present hydraulic oil cooling system, therefore need to improve existing tonnage fork truck, increase a hydraulic oil cooling system.
Utility model content
The purpose of this utility model is: a kind of tonnage fork truck hydraulic oil cooling device is provided, and the high temperature that hydraulic oil can be produced is in the course of the work cooling fast.
The utility model tonnage fork truck comprises high temperature circuit with hydraulic oil cooling device, high temperature circuit comprises deflector, oil cooler and hydraulic oil tank, deflector is connected with oil cooler by the first oil pipe, connecting fluid force feed fil between oil cooler and hydraulic oil tank, hydraulic oil filtering device is connected with hydraulic oil tank with oil cooler with the 3rd oil pipe by the second oil pipe respectively, also comprise low-temperature circuit, low-temperature circuit comprises driving engine and oil cooler, driving engine is connected with oil cooler with refrigerant fluid return water pipe by cooling liquid water inlet pipe respectively, driving engine is connected with radiator by return water pipe, T-pipe joint is set on return water pipe, T-pipe joint respectively with driving engine, radiator is connected with cooling liquid water inlet pipe, between refrigerant fluid return water pipe and driving engine, backwater joint is set.
T-pipe joint comprises the joint of tubular, joint two ends arrange respectively the first connection pipe and second connection pipe of tubular, joint side arranges the 3rd connection pipe, the 3rd line of centers of connection pipe and the line of centers of joint are vertical, the first connection pipe, the second connection pipe and the 3rd connection pipe are connected, the first connection pipe and the second connection pipe are connected in return water pipe, have so just realized being connected of driving engine and radiator, and the 3rd connection pipe is connected with cooling liquid water inlet pipe.
Backwater joint comprises the threaded connection of tubular, threaded connection is connected with driving engine by being arranged on the screw thread of one end, the threaded connection other end arranges master cock, master cock is used for controlling the break-make of refrigerant fluid, the 4th connection pipe of tubular is set on threaded connection side, the 4th connection pipe is connected with threaded connection, and the 4th connection pipe is connected with refrigerant fluid return water pipe.By backwater joint, realized being connected of driving engine and refrigerant fluid return water pipe.
Principle of work and process: in low-temperature circuit, refrigerant fluid flows out from driving engine, through the first connection pipe, joint and the second connection pipe on T-pipe joint, enter radiator successively, refrigerant fluid enters cooling liquid water inlet pipe through the 3rd connection pipe on T-pipe joint after radiator is cooling, and then enter oil cooler, then refrigerant fluid enters into the 4th connection pipe of backwater joint through refrigerant fluid return water pipe, through the threaded connection of backwater joint, enters driving engine, completes circulation; In high temperature circuit, the hydraulic oil of high temperature enters oil cooler from deflector through the first oil pipe, then through the second oil pipe, enters hydraulic oil filtering device, then enters hydraulic oil tank through the 3rd oil pipe.When the hydraulic oil of high temperature enters oil cooler, can be cooling by the refrigerant fluid of low temperature.
When ambient temperature is lower, do not need hydraulic oil to carry out when cooling, can closing control switch, stop cooling to hydraulic oil.
The beneficial effect that the utility model compared with prior art had is:
The high temperature that tonnage fork truck can produce hydraulic oil in the course of the work with hydraulic oil cooling device is cooling fast, the all parts of hydraulic efficiency pressure system can be worked within the scope of a reasonable temperature, guarantee that each parts are working properly, for the functional reliability of complete machine provides safeguard.And can selectively according to specific environment temperature, use the utility model by master cock.
Tonnage fork truck can be drawn separately in installation process with hydraulic oil cooling device, does not affect car load layout, easy for installation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the front view of T-pipe joint in Fig. 1;
Fig. 3 is the birds-eye view of T-pipe joint in Fig. 1;
Fig. 4 is the structural representation of backwater joint in Fig. 1;
Fig. 5 is catenation principle figure of the present utility model.
In figure: 1, hydraulic oil filtering device; 2, backwater joint; 3, hydraulic oil tank; 4, driving engine; 5, the second oil pipe; 6, radiator; 7, cooling liquid water inlet pipe; 8, oil cooler; 9, T-pipe joint; 10, return water pipe; 11, refrigerant fluid return water pipe; 12, the first oil pipe; 13, deflector; 14, the first connection pipe; 15, joint; 16, the 3rd connection pipe; 17, the second connection pipe; 18, threaded connection; 19, the 4th connection pipe; 20, master cock; 21, the 3rd oil pipe.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As shown in Figure 1 and Figure 5, tonnage fork truck comprises high temperature circuit with hydraulic oil cooling device, high temperature circuit comprises deflector 13, oil cooler 8 and hydraulic oil tank 3, deflector 13 is connected with oil cooler 8 by the first oil pipe 12, connecting fluid force feed fil 1 between oil cooler 8 and hydraulic oil tank 3, hydraulic oil filtering device 1 is connected with hydraulic oil tank 3 with oil cooler 8 with the 3rd oil pipe 21 by the second oil pipe 5 respectively, also comprise low-temperature circuit, low-temperature circuit comprises driving engine 4 and oil cooler 8, driving engine 4 is connected with oil cooler 8 with refrigerant fluid return water pipe 11 by cooling liquid water inlet pipe 7 respectively, driving engine 4 is connected with radiator 6 by return water pipe 10, T-pipe joint 9 is set on return water pipe 10, T-pipe joint 9 respectively with driving engine 4, radiator 6 is connected with cooling liquid water inlet pipe 7, between refrigerant fluid return water pipe 11 and driving engine 4, backwater joint 2 is set.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, T-pipe joint 9 comprises the joint 15 of tubular, joint 15 two ends arrange respectively the first connection pipe 14 and second connection pipe 17 of tubular, joint 15 sides arrange the 3rd connection pipe 16, the line of centers of the 3rd connection pipe 16 is vertical with the line of centers of joint 15, the first connection pipe 14, the second connection pipe 17 and the 3rd connection pipe 16 are connected, the first connection pipe 14 and the second connection pipe 17 are connected in return water pipe 10, so just realized being connected of driving engine 4 and radiator 6, the 3rd connection pipe 16 is connected with cooling liquid water inlet pipe 7.
As shown in Figure 1, Figure 4 and Figure 5, backwater joint 2 comprises the threaded connection 18 of tubular, threaded connection 18 is connected with driving engine 4 by being arranged on the screw thread of one end, threaded connection 18 other ends arrange master cock 20, master cock 20 is used for controlling the break-make of refrigerant fluid, the 4th connection pipe 19, the four connection pipes 19 that tubular is set on threaded connection 18 sides are connected with threaded connection 18, and the 4th connection pipe 19 is connected with refrigerant fluid return water pipe 11.By backwater joint 2, realized being connected of driving engine 4 and refrigerant fluid return water pipe 11.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, in low-temperature circuit, refrigerant fluid flows out from driving engine 4, through the first connection pipe 14, joint 15 and the second connection pipe 17 on T-pipe joint 9, enter radiator 6 successively, refrigerant fluid enters cooling liquid water inlet pipe 7 through the 3rd connection pipe 16 on T-pipe joint 9 after radiator 6 is cooling, and then enter oil cooler 8, then refrigerant fluid enters into the 4th connection pipe 19 of backwater joint 2 through refrigerant fluid return water pipe 11, threaded connection 18 through backwater joint 2 enters driving engine 4, completes circulation; In high temperature circuit, the hydraulic oil of high temperature enters oil cooler 8 from deflector 13 through the first oil pipe 12, then through the second oil pipe 5, enters hydraulic oil filtering device 1, then enters hydraulic oil tank 3 through the 3rd oil pipe 21.When the hydraulic oil of high temperature enters oil cooler 8, can be cooling by the refrigerant fluid of low temperature.
When ambient temperature is lower, do not need hydraulic oil to carry out when cooling, can closing control switch 20, stop cooling to hydraulic oil.
In sum, the utlity model has the quick cooling advantage of the high-temperature liquid force feed in tonnage fork truck.
Claims (3)
1. a tonnage fork truck hydraulic oil cooling device, comprise high temperature circuit, it is characterized in that: high temperature circuit comprises deflector (13), oil cooler (8) and hydraulic oil tank (3), deflector (13) is connected with oil cooler (8) by the first oil pipe (12), connecting fluid force feed fil (1) between oil cooler (8) and hydraulic oil tank (3), hydraulic oil filtering device (1) is connected with hydraulic oil tank (3) with oil cooler (8) with the 3rd oil pipe (21) by the second oil pipe (5) respectively, also comprise low-temperature circuit, low-temperature circuit comprises driving engine (4) and oil cooler (8), driving engine (4) is connected with oil cooler (8) with refrigerant fluid return water pipe (11) by cooling liquid water inlet pipe (7) respectively, driving engine (4) is connected with radiator (6) by return water pipe (10), T-pipe joint (9) is set on return water pipe (10), T-pipe joint (9) respectively with driving engine (4), radiator (6) is connected with cooling liquid water inlet pipe (7), between refrigerant fluid return water pipe (11) and driving engine (4), backwater joint (2) is set.
2. tonnage fork truck hydraulic oil cooling device according to claim 1, it is characterized in that: described T-pipe joint (9) comprises the joint (15) of tubular, joint (15) two ends arrange respectively the first connection pipe (14) and second connection pipe (17) of tubular, joint (15) side arranges the 3rd connection pipe (16), the line of centers of the 3rd connection pipe (16) is vertical with the line of centers of joint (15), the first connection pipe (14) and the second connection pipe (17) are connected to (10) in return water pipe, and the 3rd connection pipe (16) is connected with cooling liquid water inlet pipe (7).
3. tonnage fork truck hydraulic oil cooling device according to claim 1, it is characterized in that: described backwater joint (2) comprises the threaded connection (18) of tubular, threaded connection (18) is connected with driving engine (4) by being arranged on the screw thread of one end, threaded connection (18) other end arranges master cock (20), the 4th connection pipe (19) of tubular is set on threaded connection (18) side, the 4th connection pipe (19) is connected with threaded connection (18), and the 4th connection pipe (19) is connected with refrigerant fluid return water pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228660.0U CN203865986U (en) | 2014-05-06 | 2014-05-06 | Hydraulic oil cooling device for medium-tonnage fork truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228660.0U CN203865986U (en) | 2014-05-06 | 2014-05-06 | Hydraulic oil cooling device for medium-tonnage fork truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203865986U true CN203865986U (en) | 2014-10-08 |
Family
ID=51646965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420228660.0U Expired - Fee Related CN203865986U (en) | 2014-05-06 | 2014-05-06 | Hydraulic oil cooling device for medium-tonnage fork truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203865986U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394842A (en) * | 2018-02-08 | 2018-08-14 | 徐州工程学院 | A kind of carbon tetrachloride special air blower replacement mechanism |
-
2014
- 2014-05-06 CN CN201420228660.0U patent/CN203865986U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394842A (en) * | 2018-02-08 | 2018-08-14 | 徐州工程学院 | A kind of carbon tetrachloride special air blower replacement mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20160506 |