A new fuel-powered drive system

Abstract

This invention relates to the field of hydraulic system tracked mobile screening equipment, and in particular to a novel fuel-powered drive system, comprising an engine. The output ends of the engine are connected to a hydraulic pump and a double gear pump. The output ends of the second control element are connected via pipelines to a sixth control element, a first hydraulic motor, and a seventh control element. This invention, through the coordinated use of the hydraulic pump, double gear pump, first control element, temperature sensor, pressure sensor, pressure gauge, hydraulic cylinder, first hydraulic motor, first actuator, and second actuator, offers advantages such as high operating speed and monitoring of system parameters. By driving different structures with the hydraulic pump and double gear pump, it achieves high operating speed, fully utilizes engine power, and enables real-time monitoring of parameters such as oil temperature and hydraulic oil pressure, predicting potential faults and ensuring normal system operation.

Description

Technical Field

[0001] This invention relates to the field of hydraulic system tracked mobile screening equipment technology, specifically a novel fuel-powered drive system. Background Technology

[0002] The function of a hydraulic system is to increase the force by changing the pressure. A complete hydraulic system consists of five parts: power element, actuator, control element, auxiliary element and hydraulic oil. Hydraulic systems can be divided into two categories: hydraulic transmission system and hydraulic control system.

[0003] Existing tracked mobile screening equipment uses a single hydraulic pump drive system for its fuel-powered drive system, which results in slow operating speed and insufficient utilization of engine power. Furthermore, during the operation of the mobile screening equipment, there is a lack of real-time monitoring of parameters such as oil temperature and hydraulic oil pressure, making it impossible to predict potential faults and ensuring normal system operation. To solve the above technical problems, we have designed a new type of fuel-powered drive system. Summary of the Invention

[0004] The purpose of this invention is to provide a novel fuel-powered drive system that has the advantages of fast operating speed, full utilization of engine power, and ability to monitor system parameters to ensure normal system operation. It solves the problems of slow operating speed, insufficient utilization of engine power, and inability to monitor system parameters to ensure normal system operation.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a novel fuel-powered drive system, comprising an engine, wherein the output end of the engine is respectively connected to a hydraulic pump and a double gear pump, the output end of the hydraulic pump is connected to a fifth control element via a pipeline, the output end of the fifth control element is respectively connected to a sixth control element, a first hydraulic motor and a seventh control element via pipelines, the outlet end of the seventh control element is respectively connected to a first actuator and a second actuator via pipelines, the output end of the double gear pump is respectively connected to a first control element and a third control element via pipelines, the outlet end of the first control element is connected to a fourth control element via a pipeline, the outlet end of the fourth control element is connected to a hydraulic cylinder via a pipeline, and the outlet end of the third control element is connected to a second hydraulic motor via a pipeline.

[0006] Preferably, the liquid outlets of the first and second actuators are connected to a sixth control element via pipes, and the liquid outlet of the sixth control element is connected to a fifth control element via pipes.

[0007] Preferably, the output end of the hydraulic pump is connected to a hydraulic oil filter via a pipeline, the outlet end of the hydraulic oil filter is connected to a fifth control element, and the outlet end of the fifth control element is connected to the hydraulic pump via a first return oil pipe.

[0008] Preferably, the inlet end of the fifth control element and the outlet ends of the third and first control elements are all connected to a second control element, and the output end of the second control element is respectively equipped with a pressure sensor and a pressure gauge.

[0009] Preferably, the input end of the second hydraulic motor is connected to an eighth control element, and the output end of the eighth control element is connected to the output end of the second hydraulic motor.

[0010] Preferably, the inlet ends of both the hydraulic pump and the double gear pump are connected to a multi-port block via pipes, the inlet end of the multi-port block is connected to a hydraulic oil tank via pipes, the output end of the hydraulic oil tank is connected to a temperature sensor, and a second return oil pipe is connected between the inlet end of the hydraulic oil tank and the hydraulic pump.

[0011] Preferably, the output end of the fifth control element is connected to the seventh control element by two pipelines, and the engine is connected to the hydraulic pump and the double gear pump respectively through a flywheel disc coupling.

[0012] Preferably, the sixth control element is a double-pole switch valve assembly, the fifth control element is a pilot control valve assembly, the first control element is a single-way control valve assembly, the seventh control element is a single-pass flow regulating valve, and the third control element is a manual valve.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] This invention utilizes a combination of a hydraulic pump, a double gear pump, a first control element, a second control element, a third control element, a fourth control element, a fifth control element, a sixth control element, a temperature sensor, a pressure sensor, a pressure gauge, a hydraulic cylinder, a second hydraulic motor, a first hydraulic motor, a first actuator, and a second actuator. This combination provides advantages such as high operating speed and monitoring of system parameters. By driving different structures with the hydraulic pump and the double gear pump, the invention achieves rapid operation, fully utilizes engine power, and enables real-time monitoring of parameters such as oil temperature and hydraulic oil pressure. It also predicts potential faults and ensures normal system operation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the fuel-powered drive system of the present invention.

[0016] In the diagram: 1. Engine; 21. Hydraulic pump; 22. Double gear pump; 31. Multi-pass block; 32. First control element; 33. Second control element; 34. Third control element; 35. Fourth control element; 36. Fifth control element; 37. Sixth control element; 38. Seventh control element; 39. Eighth control element; 41. Temperature sensor; 42. Pressure sensor; 43. Pressure gauge; 44. Hydraulic oil filter; 51. Hydraulic cylinder; 52. Second hydraulic motor; 53. First hydraulic motor; 54. First actuator; 55. Second actuator. Detailed Implementation

[0017] Please see Figure 1 A novel fuel-powered drive system includes an engine 1. The output end of the engine 1 is connected to a hydraulic pump 21 and a double gear pump 22. The output end of the hydraulic pump 21 is connected to a fifth control element 36 via a pipe. The output end of the fifth control element 36 is connected to a sixth control element 37, a first hydraulic motor 53, and a seventh control element 38 via pipes. The outlet end of the seventh control element 38 is connected to a first actuator 54 and a second actuator 55 via pipes. The output end of the double gear pump 22 is connected to a first control element 32 and a third control element 34 via pipes. The outlet end of the first control element 32 is connected to a fourth control element 35 via a pipe. The outlet end of the fourth control element 35 is connected to a hydraulic cylinder 51 via a pipe. The outlet end of the third control element 34 is connected to a second hydraulic motor 52 via a pipe.

[0018] The liquid outlets of the first actuator 54 and the second actuator 55 are connected to the sixth control element 37 via pipes, and the liquid outlet of the sixth control element 37 is connected to the fifth control element 36 via pipes.

[0019] The output end of the hydraulic pump 21 is connected to a hydraulic oil filter 44 through a pipeline. The outlet end of the hydraulic oil filter 44 is connected to the fifth control element 36. The outlet end of the fifth control element 36 and the hydraulic pump 21 are connected to the first return oil pipe through a pipeline. By setting the hydraulic oil filter 44, it has the function of filtering out solid impurities in the hydraulic system. Because the quality of hydraulic oil has a great impact on the working performance of the hydraulic system, many failures are caused by it. Installing the hydraulic oil filter 44 can trap contaminants in the oil, keep the oil clean, and ensure the normal operation of the hydraulic system.

[0020] The inlet end of the fifth control element 36 and the outlet ends of the third control element 34 and the first control element 32 are all connected to the second control element 33. The output end of the second control element 33 is equipped with a pressure sensor 42 and a pressure gauge 43 respectively. By setting the second control element 33, the pressure sensor 42 and the pressure gauge 43 can be easily fixed and installed, so that the pressure sensor 42 and the pressure gauge 43 can monitor the oil pressure parameters in the hydraulic system in real time.

[0021] The input end of the second hydraulic motor 52 is connected to the eighth control element 39, and the output end of the eighth control element 39 is connected to the output end of the second hydraulic motor 52. By setting the eighth control element 39, the rotational speed of the second hydraulic motor 52 can be controlled.

[0022] The inlet ends of both the hydraulic pump 21 and the double gear pump 22 are connected to a multi-port block 31 through pipes. The inlet end of the multi-port block 31 is connected to a hydraulic oil tank through pipes. The output end of the hydraulic oil tank is connected to a temperature sensor 41. A second return oil pipe is connected between the inlet end of the hydraulic oil tank and the hydraulic pump 21.

[0023] Two pipelines are connected between the output end of the fifth control element 36 and the seventh control element 38. The engine 1 is connected to the hydraulic pump 21 and the double gear pump 22 respectively through a flywheel disc coupling.

[0024] The sixth control element 37 is a double-pole switching valve assembly, the fifth control element 36 is a pilot control valve assembly, the first control element 32 is a single-way control valve assembly, the seventh control element 38 is a single-pass flow regulating valve, and the third control element 34 is a manual valve.

[0025] A new type of fuel-powered drive system, working principle:

[0026] The main function of the hydraulic system is to drive the rotation of the track hydraulic motor to make the track move, drive the rotation of the hydraulic motor to make the belt conveyor work, and control the extension and retraction of the hydraulic cylinder 51 to make the belt conveyor fold. The engine 1 provides power to the hydraulic system through an external gear pump. In the hydraulic system, the engine 1 is connected through a flywheel disc coupling. When the engine 1 is running, it drives the hydraulic pump 21 and the double gear pump 22 through the coupling, thereby providing pressure and flow to the hydraulic system. The hydraulic pump 21 controls the first actuator 54 and the second actuator 55 of the hydraulic system separately. The double gear pump 22 controls the second hydraulic motor 52 and the hydraulic cylinder 51 of the hydraulic system. In this way, the hydraulic pump 21 and the double gear pump 22 drive different structures, resulting in fast operation speed and full utilization of the engine power.

[0027] (1) The first part is the first actuator 54. The first actuator 54 is driven by the hydraulic pump 21. The hydraulic pump 21 pressurizes the hydraulic oil. The fifth control element 36, the sixth control element 37 and the seventh control element 38 control the first actuator 54 to perform the corresponding action. The working process is that the hydraulic oil is drawn from the hydraulic oil tank by the hydraulic pump 21 and divided into two paths. One path passes through the sixth control element 37 and enters the hydraulic motor of the first actuator 54 to make it run. The other path passes through the fifth control element 36 and also enters the hydraulic motor of the first actuator 54 to control the speed of the motor. The return oil is returned from the hydraulic motor to the hydraulic oil tank through the sixth control element 37, while the return oil from the fifth control element 36 goes directly back to the hydraulic oil tank.

[0028] (2) The second part is the second actuator 55. The second actuator 55 is driven by the hydraulic pump 21. The hydraulic pump 21 pressurizes the hydraulic oil. The fifth control element 36, the sixth control element 37 and the seventh control element 38 control the second actuator 55 to perform the corresponding action. The working process is that the hydraulic oil is drawn from the hydraulic oil tank by the hydraulic pump 21 and divided into two paths. One path passes through the sixth control element 37 and enters the hydraulic motor of the second actuator 55 to make it run. The other path passes through the fifth control element 36 and also enters the hydraulic motor of the second actuator 55 to control the speed of the motor. The return oil is returned from the hydraulic motor to the hydraulic oil tank through the sixth control element 37, while the return oil from the fifth control element 36 goes directly back to the hydraulic oil tank.

[0029] (3) The third part is the first hydraulic motor 53. The first hydraulic motor 53 is driven by the hydraulic pump 21. The hydraulic pump 21 pressurizes the hydraulic oil and controls the fifth control element 36. The first hydraulic motor 53 performs the corresponding action. The working process is that the hydraulic oil is drawn out from the hydraulic oil tank by the hydraulic pump 21 and then enters the first hydraulic motor 53 through the fifth control element 36 to control the first hydraulic motor 53 to work.

[0030] (4) The fourth part is the hydraulic cylinder 51 that makes the belt conveyor fold. The hydraulic cylinder 51 is driven by the double gear pump 22. The double gear pump 22 pressurizes the hydraulic oil. The first control element 32 and the fourth control element 35 control the hydraulic cylinder 51 to perform the corresponding action. The working process is that the hydraulic oil is drawn from the hydraulic oil tank by the double gear pump 22, passes through the multi-pass block 31 and enters the third control element 34 connected in series, and then enters the hydraulic cylinder 51. The third control element 34 plays a control role. The extension and retraction of the hydraulic cylinder 51 can be controlled by moving the wrench on the third control element 34. The return oil is returned from the hydraulic cylinder 51 to the hydraulic oil tank through the third control element 34.

[0031] (5) The fifth part is the second hydraulic motor 52 that makes the belt conveyor run. The second hydraulic motor 52 is driven by the double gear pump 22. The double gear pump 22 pressurizes the hydraulic oil. The third control element 34 and the eighth control element 39 control the second hydraulic motor 52 to perform the corresponding actions. The working process is that the hydraulic oil is drawn from the hydraulic oil tank by the double gear pump 22, passes through the first control element 32 and enters the second hydraulic motor 52 to make it run. The seventh control element 38 and the second hydraulic motor 52 are connected in parallel to regulate the flow rate of the hydraulic oil. The return oil is returned to the hydraulic oil tank by the second hydraulic motor 52 through the first control element 32.

[0032] After the hydraulic oil in each oil circuit system enters the corresponding second control element 33, the pressure sensors 42 and pressure gauges 43 of each part monitor the hydraulic circuit pressure of the fifth control element 36, the third control element 34 and the first control element 32 respectively. At the same time, the temperature sensor 41 monitors the oil temperature of the hydraulic oil tank. In this way, parameters such as oil temperature and hydraulic oil pressure in the hydraulic system can be monitored in real time, and potential faults can be predicted to ensure the normal operation of the system.

[0033] Example 1:

[0034] A novel fuel-powered drive system includes an engine 1. The output end of the engine 1 is connected to a hydraulic pump 21 and a double gear pump 22. The output end of the hydraulic pump 21 is connected to a fifth control element 36 via a pipe. The output end of the fifth control element 36 is connected to a sixth control element 37, a first hydraulic motor 53, and a seventh control element 38 via pipes. The outlet end of the seventh control element 38 is connected to a first actuator 54 and a second actuator 55 via pipes. The output end of the double gear pump 22 is connected to a first control element 32 and a third control element 34 via pipes. The outlet end of the first control element 32 is connected to a fourth control element 35 via a pipe. The outlet end of the fourth control element 35 is connected to a hydraulic cylinder 51 via a pipe. The outlet end of the third control element 34 is connected to a second hydraulic motor 52 via a pipe.

[0035] The liquid outlets of the first actuator 54 and the second actuator 55 are connected to the sixth control element 37 via pipes, and the liquid outlet of the sixth control element 37 is connected to the fifth control element 36 via pipes.

[0036] The output end of the hydraulic pump 21 is connected to the hydraulic oil filter 44 through a pipeline. The outlet end of the hydraulic oil filter 44 is connected to the fifth control element 36. The outlet end of the fifth control element 36 and the hydraulic pump 21 are connected through a first return oil pipe.

[0037] A new type of fuel-powered drive system, working principle:

[0038] The main function of the hydraulic system is to drive the rotation of the track hydraulic motor to make the track move, drive the rotation of the hydraulic motor to make the belt conveyor work, and control the extension and retraction of the hydraulic cylinder 51 to make the belt conveyor fold. The engine 1 provides power to the hydraulic system through an external gear pump. In the hydraulic system, the engine 1 is connected through a flywheel disc coupling. When the engine 1 is running, it drives the hydraulic pump 21 and the double gear pump 22 through the coupling, thereby providing pressure and flow to the hydraulic system. The hydraulic pump 21 controls the first actuator 54 and the second actuator 55 of the hydraulic system separately. The double gear pump 22 controls the second hydraulic motor 52 and the hydraulic cylinder 51 of the hydraulic system. In this way, the hydraulic pump 21 and the double gear pump 22 drive different structures, resulting in fast operation speed and full utilization of the engine power.

[0039] (1) The first part is the first actuator 54. The first actuator 54 is driven by the hydraulic pump 21. The hydraulic pump 21 pressurizes the hydraulic oil. The fifth control element 36, the sixth control element 37 and the seventh control element 38 control the first actuator 54 to perform the corresponding action. The working process is that the hydraulic oil is drawn from the hydraulic oil tank by the hydraulic pump 21 and divided into two paths. One path passes through the sixth control element 37 and enters the hydraulic motor of the first actuator 54 to make it run. The other path passes through the fifth control element 36 and also enters the hydraulic motor of the first actuator 54 to control the speed of the motor. The return oil is returned from the hydraulic motor to the hydraulic oil tank through the sixth control element 37, while the return oil from the fifth control element 36 goes directly back to the hydraulic oil tank.

[0040] (2) The second part is the second actuator 55. The second actuator 55 is driven by the hydraulic pump 21. The hydraulic pump 21 pressurizes the hydraulic oil. The fifth control element 36, the sixth control element 37 and the seventh control element 38 control the second actuator 55 to perform the corresponding action. The working process is that the hydraulic oil is drawn from the hydraulic oil tank by the hydraulic pump 21 and divided into two paths. One path passes through the sixth control element 37 and enters the hydraulic motor of the second actuator 55 to make it run. The other path passes through the fifth control element 36 and also enters the hydraulic motor of the second actuator 55 to control the speed of the motor. The return oil is returned from the hydraulic motor to the hydraulic oil tank through the sixth control element 37, while the return oil from the fifth control element 36 goes directly back to the hydraulic oil tank.

[0041] (3) The third part is the first hydraulic motor 53. The first hydraulic motor 53 is driven by the hydraulic pump 21. The hydraulic pump 21 pressurizes the hydraulic oil and controls the fifth control element 36. The first hydraulic motor 53 performs the corresponding action. The working process is that the hydraulic oil is drawn out from the hydraulic oil tank by the hydraulic pump 21 and then enters the first hydraulic motor 53 through the fifth control element 36 to control the first hydraulic motor 53 to work.

[0042] (4) The fourth part is the hydraulic cylinder 51 that makes the belt conveyor fold. The hydraulic cylinder 51 is driven by the double gear pump 22. The double gear pump 22 pressurizes the hydraulic oil. The first control element 32 and the fourth control element 35 control the hydraulic cylinder 51 to perform the corresponding action. The working process is that the hydraulic oil is drawn from the hydraulic oil tank by the double gear pump 22, passes through the multi-pass block 31 and enters the third control element 34 connected in series, and then enters the hydraulic cylinder 51. The third control element 34 plays a control role. The extension and retraction of the hydraulic cylinder 51 can be controlled by moving the wrench on the third control element 34. The return oil is returned from the hydraulic cylinder 51 to the hydraulic oil tank through the third control element 34.

[0043] (5) The fifth part is the second hydraulic motor 52 that makes the belt conveyor run. The second hydraulic motor 52 is driven by the double gear pump 22. The double gear pump 22 pressurizes the hydraulic oil. The third control element 34 and the eighth control element 39 control the second hydraulic motor 52 to perform the corresponding actions. The working process is that the hydraulic oil is drawn from the hydraulic oil tank by the double gear pump 22, passes through the first control element 32 and enters the second hydraulic motor 52 to make it run. The seventh control element 38 and the second hydraulic motor 52 are connected in parallel to regulate the flow rate of the hydraulic oil. The return oil is returned to the hydraulic oil tank by the second hydraulic motor 52 through the first control element 32.

[0044] After the hydraulic oil in each oil circuit system enters the corresponding second control element 33, the pressure sensors 42 and pressure gauges 43 of each part monitor the hydraulic circuit pressure of the fifth control element 36, the third control element 34 and the first control element 32 respectively. At the same time, the temperature sensor 41 monitors the oil temperature of the hydraulic oil tank. In this way, parameters such as oil temperature and hydraulic oil pressure in the hydraulic system can be monitored in real time, and potential faults can be predicted to ensure the normal operation of the system.

[0045] Example 2:

[0046] A novel fuel-powered drive system includes an engine 1. The output end of the engine 1 is connected to a hydraulic pump 21 and a double gear pump 22. The output end of the hydraulic pump 21 is connected to a fifth control element 36 via a pipe. The output end of the fifth control element 36 is connected to a sixth control element 37, a first hydraulic motor 53, and a seventh control element 38 via pipes. The outlet end of the seventh control element 38 is connected to a first actuator 54 and a second actuator 55 via pipes. The output end of the double gear pump 22 is connected to a first control element 32 and a third control element 34 via pipes. The outlet end of the first control element 32 is connected to a fourth control element 35 via a pipe. The outlet end of the fourth control element 35 is connected to a hydraulic cylinder 51 via a pipe. The outlet end of the third control element 34 is connected to a second hydraulic motor 52 via a pipe.

[0047] The liquid outlets of the first actuator 54 and the second actuator 55 are connected to the sixth control element 37 via pipes, and the liquid outlet of the sixth control element 37 is connected to the fifth control element 36 via pipes.

[0048] The output end of the hydraulic pump 21 is connected to the hydraulic oil filter 44 through a pipeline. The outlet end of the hydraulic oil filter 44 is connected to the fifth control element 36. The outlet end of the fifth control element 36 and the hydraulic pump 21 are connected to the first return oil pipe through a pipeline.

[0049] The inlet end of the fifth control element 36 and the outlet ends of the third control element 34 and the first control element 32 are all connected to the second control element 33. The output end of the second control element 33 is equipped with a pressure sensor 42 and a pressure gauge 43, respectively.

[0050] A new type of fuel-powered drive system, working principle:

[0051] The main function of the hydraulic system is to drive the rotation of the track hydraulic motor to make the track move, drive the rotation of the hydraulic motor to make the belt conveyor work, and control the extension and retraction of the hydraulic cylinder 51 to make the belt conveyor fold. The engine 1 provides power to the hydraulic system through an external gear pump. In the hydraulic system, the engine 1 is connected through a flywheel disc coupling. When the engine 1 is running, it drives the hydraulic pump 21 and the double gear pump 22 through the coupling, thereby providing pressure and flow to the hydraulic system. The hydraulic pump 21 controls the first actuator 54 and the second actuator 55 of the hydraulic system separately. The double gear pump 22 controls the second hydraulic motor 52 and the hydraulic cylinder 51 of the hydraulic system. In this way, the hydraulic pump 21 and the double gear pump 22 drive different structures, resulting in fast operation speed and full utilization of the engine power.

[0052] (4) The fourth part is the hydraulic cylinder 51 that makes the belt conveyor fold. The hydraulic cylinder 51 is driven by the double gear pump 22. The double gear pump 22 pressurizes the hydraulic oil. The first control element 32 and the fourth control element 35 control the hydraulic cylinder 51 to perform the corresponding action. The working process is that the hydraulic oil is drawn from the hydraulic oil tank by the double gear pump 22, passes through the multi-pass block 31 and enters the third control element 34 connected in series, and then enters the hydraulic cylinder 51. The third control element 34 plays a control role. The extension and retraction of the hydraulic cylinder 51 can be controlled by moving the wrench on the third control element 34. The return oil is returned from the hydraulic cylinder 51 to the hydraulic oil tank through the third control element 34.

[0053] (5) The fifth part is the second hydraulic motor 52 that makes the belt conveyor run. The second hydraulic motor 52 is driven by the double gear pump 22. The double gear pump 22 pressurizes the hydraulic oil. The third control element 34 and the eighth control element 39 control the second hydraulic motor 52 to perform the corresponding actions. The working process is that the hydraulic oil is drawn from the hydraulic oil tank by the double gear pump 22, passes through the first control element 32 and enters the second hydraulic motor 52 to make it run. The seventh control element 38 and the second hydraulic motor 52 are connected in parallel to regulate the flow rate of the hydraulic oil. The return oil is returned to the hydraulic oil tank by the second hydraulic motor 52 through the first control element 32.

[0054] After the hydraulic oil in each oil circuit system enters the corresponding second control element 33, the pressure sensors 42 and pressure gauges 43 of each part monitor the hydraulic circuit pressure of the fifth control element 36, the third control element 34 and the first control element 32 respectively. At the same time, the temperature sensor 41 monitors the oil temperature of the hydraulic oil tank. In this way, parameters such as oil temperature and hydraulic oil pressure in the hydraulic system can be monitored in real time, and potential faults can be predicted to ensure the normal operation of the system.

[0055] In summary, this novel fuel-powered drive system, through the coordinated use of hydraulic pump 2, double gear pump 22, first control element 32, second control element 33, third control element 34, fourth control element 35, fifth control element 36, sixth control element 37, temperature sensor 41, pressure sensor 42, pressure gauge 43, hydraulic cylinder 51, second hydraulic motor 52, first hydraulic motor 53, first actuator 54, and second actuator 55, solves the problems of slow operating speed, insufficient utilization of engine power, and inability to monitor system parameters and ensure normal system operation.

Claims

1. A novel fuel powered drive system comprising an engine (1) characterized by: The output end of the engine (1) is connected to a hydraulic pump (21) and a double gear pump (22). The output end of the hydraulic pump (21) is connected to a fifth control element (36) through a pipe. The output end of the fifth control element (36) is connected to a sixth control element (37), a first hydraulic motor (53), and a seventh control element (38) through pipes. The outlet end of the seventh control element (38) is connected to a first actuator (54) and a second actuator (55) through pipes. The output end of the double gear pump (22) is connected to a first control element (32) and a third control element (34) through pipes. The outlet end of the first control element (32) is connected to a fourth control element (35) through a pipe. The outlet end of the fourth control element (35) is connected to a hydraulic cylinder (51) through a pipe. The outlet end of the third control element (34) is connected to a second hydraulic motor (52) through a pipe.

2. A novel fuel powered drive system as claimed in claim 1, wherein: The liquid outlets of the first actuator (54) and the second actuator (55) are connected to the sixth control element (37) via pipes, and the liquid outlet of the sixth control element (37) is connected to the fifth control element (36) via pipes.

3. The novel fuel-powered drive system according to claim 1, characterized in that: The output end of the hydraulic pump (21) is connected to a hydraulic oil filter (44) through a pipe. The outlet end of the hydraulic oil filter (44) is connected to the fifth control element (36). The outlet end of the fifth control element (36) is connected to the hydraulic pump (21) through a first return oil pipe.

4. A novel fuel powered drive system as claimed in claim 1, wherein: The inlet end of the fifth control element (36) and the outlet end of the third control element (34) and the first control element (32) are all connected to the second control element (33). The output end of the second control element (33) is equipped with a pressure sensor (42) and a pressure gauge (43).

5. A novel fuel powered drive system as claimed in claim 1, wherein: The input end of the second hydraulic motor (52) is connected to an eighth control element (39), and the output end of the eighth control element (39) is connected to the output end of the second hydraulic motor (52).

6. The novel fuel-powered drive system according to claim 1, characterized in that: The inlet ends of the hydraulic pump (21) and the double gear pump (22) are both connected to a multi-port block (31) through pipes. The inlet end of the multi-port block (31) is connected to a hydraulic oil tank through pipes. The output end of the hydraulic oil tank is connected to a temperature sensor (41). A second return oil pipe is connected between the inlet end of the hydraulic oil tank and the hydraulic pump (21).

7. A new fuel powered drive system as claimed in claim 1, wherein: Two pipelines are connected between the output end of the fifth control element (36) and the seventh control element (38). The engine (1) is connected to the hydraulic pump (21) and the double gear pump (22) respectively through a flywheel disc coupling.

8. A new fuel powered drive system as claimed in claim 1, wherein: The sixth control element (37) is a double-pole switch valve group, the fifth control element (36) is a pilot control valve group, the first control element (32) is a single-way control valve group, the seventh control element (38) is a single-pass flow regulating valve, and the third control element (34) is a manual valve.

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