CN212248469U - Walking energy-saving device of wheel type excavator - Google Patents
Walking energy-saving device of wheel type excavator Download PDFInfo
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- CN212248469U CN212248469U CN202020072555.8U CN202020072555U CN212248469U CN 212248469 U CN212248469 U CN 212248469U CN 202020072555 U CN202020072555 U CN 202020072555U CN 212248469 U CN212248469 U CN 212248469U
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- power takeoff
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Abstract
The utility model discloses a such wheeled excavator walking economizer for solving have wheeled excavator existence when walking, a plurality of pumps pump a large amount of fluid under the engine drives and flow back to the oil tank through multiple unit valve and oil return channel, consequently, can produce great pressure drop to consume the engine some power, the lower problem of efficiency, the utility model discloses take be provided with clutch (2) on another output shaft between engine (1) and power takeoff (3), make clutch (2) one end and another output shaft transmission of engine (1) be connected, the clutch (2) other end is connected with power takeoff (3) transmission. Thereby having simple structure, can effectively improve the advantage of engine efficiency.
Description
Technical Field
The utility model relates to a wheeled excavator especially relates to a wheeled excavator walking economizer who comprises engine, gearbox, power takeoff and running gear.
Background
At present, the market discloses such wheeled excavator running gear, its structural feature: when the wheel type excavator walks, a plurality of pumps are driven by the engine to pump out a large amount of oil and flow back to an oil tank through a multiway valve and an oil return channel, so that a large pressure drop can be generated, a part of power of the engine is consumed, and the efficiency is low.
Disclosure of Invention
The utility model aims at providing a simple structure can effectively improve engine efficiency's wheeled excavator walking economizer.
In order to achieve the purpose, the utility model relates to a wheeled excavator walking economizer comprises engine, gearbox, power takeoff and running gear, and an output shaft of engine is connected with gearbox input transmission, and the gearbox output is connected with the running gear transmission, and another output shaft of engine passes through the power takeoff and is connected with the pump transmission, and the pump passes through the pipeline and is connected with the multiple unit valve be provided with the clutch on another output shaft between engine and the power takeoff, make clutch one end and another output shaft transmission of engine be connected, the clutch other end is connected with the power takeoff transmission.
The walking energy-saving device of the wheel excavator can also comprise an engine, a gearbox, a power takeoff and a walking mechanism, wherein one output shaft of the engine is in transmission connection with the input end of the gearbox, the output end of the gearbox is in transmission connection with the walking mechanism, the other output shaft of the engine is in transmission connection with a pump through the power takeoff, the pump is connected with a multi-way valve through a pipeline, the other output shaft of the engine is in transmission connection with the pump through a gear and the power takeoff with a clutch, and at least two output ends of the power takeoff with the clutch are in transmission connection with at least two pumps respectively.
The power takeoff with the clutch consists of a shell, a rotating shaft, a duplicate gear, sliding inner teeth and a fixed gear, wherein two ends of the rotating shaft are rotatably connected with the shell through bearings, the duplicate gear and the fixed gear are installed on the rotating shaft, the sliding inner teeth are sleeved on the fixed gear and can axially slide, so that the inner teeth on the sliding inner teeth can be meshed with a pinion on the duplicate gear and the fixed gear to play a clutch role, and a gearwheel on the duplicate gear is meshed with a gear on another output shaft of the engine.
And a circle of groove convenient for inserting a shifting fork is formed in the outer surface of the sliding inner tooth.
The outer surface of the rotating shaft corresponding to the fixed gear is provided with a key groove, the rotating shaft is internally provided with an axial through hole, and the inner surfaces of two ends of the through hole are provided with internal splines convenient for the pump shaft to be inserted.
And the fixed gear is connected with the rotating shaft through a flat key.
A walking energy-saving device of a wheel excavator can also consist of an engine, a gearbox, a power takeoff and a walking mechanism, wherein one output shaft of the engine is in transmission connection with the input end of the gearbox, the output end of the gearbox is in transmission connection with the walking mechanism, the other output shaft of the engine is in transmission connection with a pump through the power takeoff, the pump is connected with a multi-way valve through a pipeline, a two-position six-way valve is arranged between a pump P1 and a pump P2 and the multi-way valve, two oil inlet ends of the two-position six-way valve are respectively connected with the pump P1 and the pump P2, a control end of the two-position six-way valve is connected with a safety lock, two oil outlet ends of the.
A walking energy-saving device of a wheel excavator can also comprise an engine, a gearbox, a power takeoff and a walking mechanism, wherein one output shaft of the engine is in transmission connection with the input end of the gearbox, the output end of the gearbox is in transmission connection with the walking mechanism, the other output shaft of the engine is in transmission connection with a pump through the power takeoff, the pump is connected with a multi-way valve through a pipeline, a ball valve and two one-way valves are arranged between the pipelines of the pump P1 and the pump P2 which are respectively connected with the multi-way valve, so that the two one-way valves are respectively connected with one end of the ball valve through pipelines, and.
The walking energy-saving device of the wheel excavator can also comprise an engine, a gearbox, a power takeoff and a walking mechanism, wherein one output shaft of the engine is in transmission connection with the input end of the gearbox, the output end of the gearbox is in transmission connection with the walking mechanism, the other output shaft of the engine is in transmission connection with a pump through the power takeoff, the pump is connected with a multi-way valve through a pipeline, and the pump is also connected with an oil return pipeline or an oil tank of the multi-way valve through a hydraulic valve, so that oil coming out of the pump directly returns to the.
After the structure is adopted, because the clutch is arranged on the other output shaft between the engine and the power takeoff, one end of the clutch is in transmission connection with the other output shaft of the engine, and the other end of the clutch is in transmission connection with the power takeoff. When the wheel type excavator walks, the transmission connection between the engine and the power takeoff is directly disconnected, and the work of a plurality of pumps is suspended, so that the aims of simple structure and effectively improving the efficiency of the engine are fulfilled. The actual measurement shows that when the total flow is 110L/Min and the rotating speed of the engine is 900-2000 rpm, the power of the engine can be increased by 5-10 kw.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural diagram of the walking energy-saving device of the wheel excavator of the present invention.
Fig. 2 is a schematic structural diagram of another embodiment of the walking energy-saving device of the wheel excavator of the present invention.
Fig. 3 is a schematic sectional view of a power takeoff with a clutch according to another embodiment of the walking energy-saving device of the wheel excavator of the present invention.
Fig. 4 is a schematic structural diagram of a third embodiment of the walking energy-saving device of the wheel excavator.
Fig. 5 is a schematic structural diagram of a fourth embodiment of the walking energy-saving device of the wheel excavator.
Fig. 6 is a schematic structural diagram of a fifth embodiment of the walking energy-saving device of the wheel excavator.
Fig. 7 is a schematic diagram of a prior art connection of an engine and a power takeoff to a pump.
In the figure: 1. the engine 2, the clutch 3, the power takeoff 3', the power takeoff with the clutch 4, the pump 5, the gear 6, the rotating shaft 7, the duplicate gear 8, the sliding internal teeth 9, the fixed gear 10, the multi-way valve 11, the two-position six-way valve 12, the safety lock 13, the oil tank 14, the one-way valve 15, the ball valve 16 and the hydraulic valve.
Detailed Description
Figure 1 shows the utility model relates to a wheeled excavator walking economizer comprises engine 1, gearbox, power takeoff 3 and running gear, and 1 output shaft of engine is connected with the transmission of gearbox input, and the gearbox output is connected with the running gear transmission, and another output shaft of engine 1 passes through power takeoff 3 to be connected with the transmission of pump 4, and pump 4 passes through the pipeline to be connected with multiple unit valve 10 be provided with clutch 2 on another output shaft between engine 1 and the power takeoff 3, make 2 one end of clutch be connected with another output shaft transmission of engine 1, the 2 other ends of clutch are connected with the transmission of power takeoff 3, and clutch 2 is connected with the control cabinet through control scheme or shift fork mechanism.
The walking energy-saving device of the wheel excavator shown in the attached figures 2 and 3 can also comprise an engine 1, a gearbox, a power takeoff 3 and a walking mechanism, wherein one output shaft of the engine 1 is in transmission connection with the input end of the gearbox, the output end of the gearbox is in transmission connection with the walking mechanism, the other output shaft of the engine 1 is in transmission connection with a pump 4 through the power takeoff 3, the pump 4 is connected with a multi-way valve 10 through a pipeline, the other output shaft of the engine 1 is in transmission connection with the pump 4 through a gear 5 and a power takeoff 3 ' with a clutch, so that at least two output ends on the power takeoff 3 ' with the clutch are in transmission connection with at least two pumps 4 respectively, and the power takeoff 3 ' with the clutch is connected with.
The power takeoff 3' with the clutch shown in the attached figure 3 consists of a shell, a rotating shaft 6, a duplicate gear 7, sliding internal teeth 8 and a fixed gear 9, wherein two ends of the rotating shaft 6 are rotatably connected with the shell through bearings, the duplicate gear 7 and the fixed gear 9 are installed on the rotating shaft 6, the sliding internal teeth 8 are sleeved on the fixed gear 9 and can axially slide, so that the internal teeth on the sliding internal teeth 8 can be meshed with a pinion on the duplicate gear 7 and the fixed gear 9 to play a clutch role, and a gearwheel on the duplicate gear 7 is meshed with a gear 5 on the other output shaft of the engine 1; a circle of groove convenient for inserting a shifting fork is formed in the outer surface of the sliding inner tooth 8; a key groove is arranged on the outer surface of the rotating shaft 6 corresponding to the fixed gear 9, an axial through hole is arranged in the rotating shaft 6, and internal splines convenient for the shaft of the pump 4 to be inserted are arranged on the inner surfaces of two ends of the through hole; the fixed gear 9 is connected with the rotating shaft 6 through a flat key.
Fig. 7 and 4 show a walking energy-saving device of a wheel excavator, which may also be composed of an engine 1, a transmission case, a power takeoff 3 and a walking mechanism, wherein one output shaft of the engine 1 is in transmission connection with an input end of the transmission case, an output end of the transmission case is in transmission connection with the walking mechanism, the other output shaft of the engine 1 is in transmission connection with a pump 4 through the power takeoff 3, the pump 4 is connected with a multi-way valve 10 through a pipeline, a two-position six-way valve 11 is arranged between the pump P1 and the multi-way valve 10 and between the pump P2 and the multi-way valve 10, so that two oil inlet ends of the two-position six-way valve 11 are respectively connected with the pump P1 and the pump P2, a control end of the two-position six-way valve 11 is connected with a safety lock 12, two oil outlet ends of the.
The walking energy-saving device of the wheel excavator shown in the attached figures 7 and 5 can also comprise an engine 1, a gearbox, a power takeoff 3 and a walking mechanism, wherein one output shaft of the engine 1 is in transmission connection with the input end of the gearbox, the output end of the gearbox is in transmission connection with the walking mechanism, the other output shaft of the engine 1 is in transmission connection with a pump 4 through the power takeoff 3, the pump 4 is connected with a multi-way valve 10 through a pipeline, a ball valve 15 and two one-way valves 14 are arranged between the pipelines respectively connected with the multi-way valve 10 through a pump P1 and a pump P2, so that the two one-way valves 14 are respectively connected with one end of the ball valve 15 through pipelines, the other end of the ball valve 15 is connected with an oil.
The walking energy-saving device of the wheel excavator shown in the attached figures 7 and 6 can also comprise an engine 1, a gearbox, a power takeoff 3 and a walking mechanism, wherein one output shaft of the engine 1 is in transmission connection with the input end of the gearbox, the output end of the gearbox is in transmission connection with the walking mechanism, the other output shaft of the engine 1 is in transmission connection with a pump 4 through the power takeoff 3, the pump 4 is connected with a multi-way valve 10 through a pipeline, the pump 4 is also connected with an oil return pipeline or an oil tank 13 of the multi-way valve 10 through a hydraulic valve 16, so that oil coming out of the pump 4 directly returns to the oil tank 13, and the hydraulic valve 16 is.
Claims (9)
1. The utility model provides a wheeled excavator walking economizer comprises engine, gearbox, power takeoff and running gear, and an output shaft of engine is connected with the transmission of gearbox input, and the gearbox output is connected with the running gear transmission, and another output shaft of engine passes through the power takeoff and is connected with the pump transmission, and the pump passes through the pipeline to be connected its characterized in that with the multiple unit valve: and a clutch (2) is arranged on the other output shaft between the engine (1) and the power takeoff (3), one end of the clutch (2) is in transmission connection with the other output shaft of the engine (1), and the other end of the clutch (2) is in transmission connection with the power takeoff (3).
2. The utility model provides a wheeled excavator walking economizer comprises engine, gearbox, power takeoff and running gear, and an output shaft of engine is connected with the transmission of gearbox input, and the gearbox output is connected with the running gear transmission, and another output shaft of engine passes through the power takeoff and is connected with the pump transmission, and the pump passes through the pipeline to be connected its characterized in that with the multiple unit valve: the other output shaft of the engine (1) is in transmission connection with the pumps (4) through a gear (5) and a power takeoff (3 ') with a clutch, so that at least two output ends on the power takeoff (3') with the clutch are in transmission connection with at least two pumps (4) respectively.
3. The walking energy-saving device of the wheel excavator as claimed in claim 2, wherein: the power takeoff (3') with the clutch is composed of a shell, a rotating shaft (6), a duplicate gear (7), sliding internal teeth (8) and a fixed gear (9), wherein two ends of the rotating shaft (6) are rotatably connected with the shell through bearings, the duplicate gear (7) and the fixed gear (9) are installed on the rotating shaft (6), the sliding internal teeth (8) are sleeved on the fixed gear (9) and can axially slide, so that the internal teeth on the sliding internal teeth (8) can be meshed with a small gear and the fixed gear (9) on the duplicate gear (7) to play a clutch role, and a large gear on the duplicate gear (7) is meshed with a gear (5) on the other output shaft of the engine (1).
4. The walking energy-saving device of the wheel excavator as claimed in claim 3, wherein: a circle of groove which is convenient for inserting a shifting fork is arranged on the outer surface of the sliding inner tooth (8).
5. The walking energy-saving device of the wheel excavator as claimed in claim 3, wherein: a key groove is arranged on the outer surface of the rotating shaft (6) corresponding to the fixed gear (9), an axial through hole is arranged in the rotating shaft (6), and internal splines convenient for the shaft of the pump (4) to be inserted are arranged on the inner surfaces of the two ends of the through hole.
6. The walking energy-saving device of the wheel excavator as claimed in claim 3, wherein: the fixed gear (9) is connected with the rotating shaft (6) through a flat key.
7. The utility model provides a wheeled excavator walking economizer comprises engine, gearbox, power takeoff and running gear, and an output shaft of engine is connected with the transmission of gearbox input, and the gearbox output is connected with the running gear transmission, and another output shaft of engine passes through the power takeoff and is connected with the pump transmission, and the pump passes through the pipeline to be connected its characterized in that with the multiple unit valve: a two-position six-way valve (11) is arranged between the pump P1 and the multi-way valve (10) and between the pump P2, two oil inlet ends of the two-position six-way valve (11) are respectively connected with the pump P1 and the pump P2, a control end of the two-position six-way valve (11) is connected with a safety lock (12), two oil outlet ends of the two-position six-way valve (11) are connected with the multi-way valve (10), and two oil return ends of the two-position six-way valve (11) are connected with an oil tank (13).
8. The utility model provides a wheeled excavator walking economizer comprises engine, gearbox, power takeoff and running gear, and an output shaft of engine is connected with the transmission of gearbox input, and the gearbox output is connected with the running gear transmission, and another output shaft of engine passes through the power takeoff and is connected with the pump transmission, and the pump passes through the pipeline to be connected its characterized in that with the multiple unit valve: a ball valve (15) and two one-way valves (14) are arranged between pipelines of the pump P1 and the pump P2 which are respectively connected with the multi-way valve (10), so that the two one-way valves (14) are respectively connected with one end of the ball valve (15) through pipelines, and the other end of the ball valve (15) is connected with the oil tank (13).
9. The utility model provides a wheeled excavator walking economizer comprises engine, gearbox, power takeoff and running gear, and an output shaft of engine is connected with the transmission of gearbox input, and the gearbox output is connected with the running gear transmission, and another output shaft of engine passes through the power takeoff and is connected with the pump transmission, and the pump passes through the pipeline to be connected its characterized in that with the multiple unit valve: the pump (4) is also connected with an oil return pipeline or an oil tank (13) of the multi-way valve (10) through a hydraulic valve (16), so that oil from the pump (4) directly returns to the oil tank (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020072555.8U CN212248469U (en) | 2020-01-14 | 2020-01-14 | Walking energy-saving device of wheel type excavator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020072555.8U CN212248469U (en) | 2020-01-14 | 2020-01-14 | Walking energy-saving device of wheel type excavator |
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| CN212248469U true CN212248469U (en) | 2020-12-29 |
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| CN202020072555.8U Active CN212248469U (en) | 2020-01-14 | 2020-01-14 | Walking energy-saving device of wheel type excavator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984284A (en) * | 2020-01-14 | 2020-04-10 | 龙岩市万通机械有限公司 | Walking energy-saving device of wheel type excavator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984284A (en) * | 2020-01-14 | 2020-04-10 | 龙岩市万通机械有限公司 | Walking energy-saving device of wheel type excavator |
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