CN114278625A - Hydraulic system of electric tractor - Google Patents
Hydraulic system of electric tractor Download PDFInfo
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- CN114278625A CN114278625A CN202111513223.4A CN202111513223A CN114278625A CN 114278625 A CN114278625 A CN 114278625A CN 202111513223 A CN202111513223 A CN 202111513223A CN 114278625 A CN114278625 A CN 114278625A
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- hydraulic
- supply port
- clamping ring
- flow divider
- electric tractor
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- 239000003921 oil Substances 0.000 claims abstract description 40
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 20
- 230000000087 stabilizing effect Effects 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000003139 buffering effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 101100314150 Caenorhabditis elegans tank-1 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a hydraulic system of an electric tractor, which comprises a hydraulic oil tank, a gear pump, a hydraulic flow dividing valve, a hydraulic steering gear, a front axle steering oil cylinder, a motor controller, a VCU, an oil pressure sensor, a multi-path hydraulic output valve and a hydraulic lifter.
Description
Technical Field
The invention particularly relates to a hydraulic system of an electric tractor, and relates to the related field of electric tractors.
Background
The tractor is used for towing and driving the operation machine to complete various mobile operations. Can also be used as fixed operation power. The system or the device comprises an engine, a transmission system, a walking system, a steering system, a hydraulic suspension system, a power output system, an electric instrument system, a driving control system, a traction system and the like. The power of the engine is transmitted to the driving wheel by the transmission system, so that the tractor runs, and in real life, a rubber belt is commonly used as a medium for power transmission.
The upper end of the existing electric tractor is often required to be additionally provided with a hydraulic system, the existing hydraulic system is complex in general structure, the motor consumes large energy, and the motor generates high heat, so that the service life of the motor is influenced, and the environment-friendly and energy-saving performance is poor.
Disclosure of Invention
Accordingly, to address the above deficiencies, the present invention provides a hydraulic system for an electric tractor.
The invention is realized in this way, construct a kind of electronic tractor hydraulic system, the apparatus includes the hydraulic tank, gear pump, hydraulic shunt valve, hydraulic diverter, front axle steering cylinder, motor controller, VCU, oil pressure sensor, multi-channel hydraulic output valve and hydraulic raiser, the said gear pump regards electrical machinery as the power, the said hydraulic tank links with upper end of the hydraulic shunt valve, the said hydraulic shunt valve divides the hydraulic oil into two routes, the said hydraulic shunt valve sets up with hydraulic diverter and front axle steering cylinder and connects, the said hydraulic shunt valve sets up with hydraulic output valve of the way and hydraulic raiser and connects;
the hydraulic flow divider comprises a flow divider body, a conveying pipe, an A supply port, a B supply port and a stabilizing mechanism, wherein the conveying pipe is connected with the upper end of a hydraulic oil tank, the flow divider body is arranged at the left end of the conveying pipe, the A supply port and the B supply port are oppositely arranged on the front side and the rear side of the right end of the flow divider body, and the stabilizing mechanism is arranged at the lower end of the A supply port;
stabilizing mean includes diaphragm, supporting seat, first clamp ring, second clamp ring, screw rod, swivel nut, buffer board and pressure spring, the diaphragm left end is fixed mutually with the flow divider body, diaphragm and supporting seat bottom fixed connection, the supporting seat top is provided with first clamp ring, first clamp ring and second clamp ring lower extreme hinged joint, the screw rod rotates with first clamp ring inboard to be connected, the screw rod upper end is provided with the swivel nut, first clamp ring passes through pressure spring and buffer board lower extreme elastic connection.
Preferably, an oil pressure sensor is additionally arranged at the upper end of the B supply port.
Preferably, the oil pressure sensor establishes a low load signal connection with the motor controller and the VCU.
Preferably, the supply port A is connected with the hydraulic steering gear and the upper end of the front axle steering oil cylinder.
Preferably, the supply port B is connected with a multi-way hydraulic output valve and the upper end of a hydraulic lifter.
Preferably, the lower ends of the A supply port and the B supply port are provided with stabilizing mechanisms.
The invention has the following advantages: the invention provides an electric tractor hydraulic system through improvement, compared with the same type of equipment, the hydraulic system has the following improvement:
the method has the advantages that: the hydraulic system of the electric tractor is specially developed for the electric tractor, achieves the electromotion of the tractor, has the remarkable advantages of energy conservation, environmental protection and the like, adopts the hydraulic flow divider valve, achieves the effect that one power of the hydraulic system of the electric tractor drives a plurality of hydraulic subsystems to work, adopts the oil pressure sensor, achieves the load sensitivity of a wave pressure system and the automatic regulation of the rotating speed of a motor, and achieves the purposes of saving electricity and controlling the temperature rise of the motor of the electric tractor.
The method has the advantages that: according to the hydraulic system of the electric tractor, the stabilizing mechanism is arranged at the upper end of the pressure dividing valve, the oil conveying pipe is embedded into the first clamping ring and the second clamping ring, the screw rod is embedded into the second clamping ring, the screw sleeve is rotated clockwise, the first clamping ring and the second clamping ring are pressed tightly, the first clamping ring and the second clamping ring clamp the oil conveying pipe, and when the upper end of the oil conveying pipe generates a deflection force, the pressure spring is pressed to deform, the deflection force of the upper end of the oil conveying pipe is absorbed, and the advantage that the oil conveying pipe can be stably fixed is achieved.
Drawings
FIG. 1 is a connection block diagram of the present invention;
FIG. 2 is a schematic perspective view of the hydraulic diverter valve of the present invention;
FIG. 3 is a schematic perspective view of the stabilizing mechanism of the present invention;
FIG. 4 is a cross-sectional view of the first clamping ring of the present invention.
Wherein: the hydraulic steering system comprises a hydraulic oil tank-1, a gear pump-2, a hydraulic flow divider-3, a hydraulic steering gear-4, a front axle steering oil cylinder-5, a motor controller-6, a VCU-7, an oil pressure sensor-8, a multi-path hydraulic output valve-9, a hydraulic lifter-10, a flow divider body-31, a conveying pipe-32, an A supply port-33, a B supply port-34, a stabilizing mechanism-35, a transverse plate-351, a supporting seat-352, a first clamping ring-353, a second clamping ring-354, a screw rod-355, a screw sleeve-356, a buffer plate-357 and a pressure spring-358.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 4, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides an electric tractor hydraulic system through improvement, which includes a hydraulic oil tank 1, a gear pump 2, a hydraulic shunt valve 3, a hydraulic steering gear 4, a front axle steering cylinder 5, a motor controller 6, a VCU7, an oil pressure sensor 8, a multi-path hydraulic output valve 9 and a hydraulic lifter 10, wherein the gear pump 2 uses a motor as power, the hydraulic oil tank 1 is connected with the upper end of the hydraulic shunt valve 3, the hydraulic shunt valve 3 divides hydraulic oil into two paths, the hydraulic shunt valve 3 is connected with the hydraulic steering gear 4 and the front axle steering cylinder 5, and the hydraulic shunt valve 3 is connected with the hydraulic output valve 9 and the hydraulic lifter 10.
Referring to fig. 2, the present invention provides a hydraulic system of an electric tractor by improvement, a hydraulic shunt valve 3 includes a shunt valve body 31, a delivery pipe 32, an a supply port 33, a B supply port 34 and a stabilizing mechanism 35, the delivery pipe 32 is connected with the upper end of a hydraulic oil tank 1, the shunt valve body 31 is arranged at the left end of the delivery pipe 32, the a supply port 33 and the B supply port 34 are oppositely arranged at the front and back sides of the right end of the shunt valve body 31, the stabilizing mechanism 35 is arranged at the lower end of the a supply port 33, an oil pressure sensor 8 is additionally arranged at the upper end of the B supply port 34, the oil pressure sensor 8 establishes a low load signal connection with a motor controller 6 and a VCU7, the a supply port 33 is connected with the hydraulic steering gear 4 and the upper end of a front axle steering cylinder 5 to facilitate the delivery of hydraulic oil, the B supply port 34 is connected with a multi-way hydraulic output valve 9 and the upper end of a hydraulic lifter 10 to facilitate the delivery of the hydraulic oil, the lower ends of the A supply port 33 and the B supply port 34 are both provided with stabilizing mechanisms 35, which are beneficial to fixing and stabilizing the catheter.
Referring to fig. 3 and 4, the present invention provides an electric tractor hydraulic system through improvement, in which the stabilizing mechanism 35 includes a transverse plate 351, a support seat 352, a first clamping ring 353, a second clamping ring 354, a screw rod 355, a threaded sleeve 356, a buffer plate 357 and a pressure spring 358, the left end of the transverse plate 351 is fixed to the diverter valve body 31, the transverse plate 351 is fixedly connected to the bottom of the support seat 352, the top of the support seat 352 is provided with the first clamping ring 353, the first clamping ring 353 is hinged to the lower end of the second clamping ring 354, the screw rod 355 is rotatably connected to the inner side of the first clamping ring 353, the upper end of the screw rod 355 is provided with the threaded sleeve 356, and the first clamping ring 353 is elastically connected to the lower end of the buffer plate 357 through the pressure spring 358, so as to achieve a buffering effect.
The invention provides a hydraulic system of an electric tractor through improvement, which has the following working principle;
firstly, when in use, hydraulic oil in the hydraulic oil tank 1 is conveyed to the upper end of the hydraulic flow dividing valve 3;
secondly, the hydraulic oil tank 1 divides hydraulic oil into two paths, one path of hydraulic oil is supplied to the hydraulic steering gear 4 through an A supply port 33 of the hydraulic flow divider valve 3, and the hydraulic oil enters an L or R oil cavity of the front axle steering oil cylinder 5 through the left-right rotation of the hydraulic steering gear 4, so that the walking steering of the electric tractor is realized;
thirdly, the other path is supplied to a multi-path hydraulic output valve 9 and a hydraulic lifter 10 of the electric tractor through a B supply port 34 of the hydraulic flow divider valve 3 to work, the hydraulic system structure of the electric tractor drives a plurality of hydraulic systems to work by one power, the working pressure and the use frequency of different systems are different, and the motor can work at low load and low rotating speed as far as possible to save electricity and control the temperature rise of the motor;
fourthly, the hydraulic pressure sensor 8 is additionally arranged at the B supply port 34 of the hydraulic pressure splitter valve 3 in the hydraulic system structure of the electric tractor, because the multi-path hydraulic output valve 9 and the hydraulic pressure lifter 10 of the electric tractor do not work frequently, when the multi-path hydraulic output valve 9 and the hydraulic pressure lifter 10 do not work, the oil pressure sensor 8 can detect the low load of the B supply port 34 of the hydraulic pressure splitter valve 3, the oil pressure sensor 8 can feed a low load signal back to the motor controller 6 through the VCU7 or directly, and the motor can work at a set low speed;
fifthly, when the multi-path hydraulic output valve 9 and the hydraulic lifter 10 work, the oil pressure sensor 8 can detect the high load of the port 34B of the hydraulic flow dividing valve, and the oil pressure sensor 8 can feed back a high load signal to the motor controller 6 through the VCU7 or directly so that the motor works at a set high speed;
sixthly, the stabilizing mechanism 35 is arranged at the upper end of the pressure dividing valve 3, the oil delivery pipe is embedded into the first clamping ring 353 and the second clamping ring 354, the screw 355 is embedded into the second clamping ring 354, the screw sleeve 356 is rotated clockwise, the first clamping ring 353 and the second clamping ring 354 are pressed tightly, the oil delivery pipe is clamped by the first clamping ring 353 and the second clamping ring 354, and when the upper end of the oil delivery pipe generates a polarization force, the pressure spring 358 can be pressed to deform, the polarization force at the upper end of the oil delivery pipe is absorbed, and the oil delivery pipe can be stably fixed.
The invention provides a hydraulic system of an electric tractor through improvement, the hydraulic system structure of the electric tractor is specially developed for the electric tractor, the electric tractor realizes the electromotion, the electric tractor has the remarkable advantages of energy conservation, environmental protection and the like, the hydraulic system structure of the electric tractor adopts a hydraulic flow dividing valve 3, one power of the hydraulic system of the electric tractor is realized to drive a plurality of hydraulic subsystems to work, the hydraulic system structure of the electric tractor adopts an oil pressure sensor 8, the load sensitivity of a wave pressure system and the automatic regulation of the rotating speed of a motor are realized, and the purposes of saving electricity and controlling the temperature rise of the motor of the electric tractor are achieved; through having set up stabilizing mean 35 in pressing flow divider 3 upper end, it is inboard in first clamp ring 353 and second clamp ring 354 to imbed defeated oil pipe, it is inboard in second clamp ring 354 to imbed screw rod 355 afterwards, clockwise rotation swivel nut 356 afterwards, compress tightly first clamp ring 353 and second clamp ring 354, make first clamp ring 353 and second clamp ring 354 carry out the centre gripping to defeated oil pipe, and when defeated oil pipe upper end produced the partial vibration power, can press pressure spring 358 and produce deformation, absorb defeated oil pipe upper end partial vibration power, reached and to have reached the advantage that can steadily fix defeated oil pipe.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The hydraulic system of the electric tractor is characterized by structurally comprising a hydraulic oil tank (1), a gear pump (2), a hydraulic flow divider valve (3), a hydraulic steering gear (4), a front axle steering oil cylinder (5), a motor controller (6), a VCU (7), an oil pressure sensor (8), a multi-path hydraulic output valve (9) and a hydraulic lifter (10), wherein the gear pump (2) takes a motor as power, the hydraulic oil tank (1) is connected with the upper end of the hydraulic flow divider valve (3), the hydraulic flow divider valve (3) divides hydraulic oil into two paths, the hydraulic flow divider valve (3) is connected with the hydraulic steering gear (4) and the front axle steering oil cylinder (5), and the hydraulic flow divider valve (3) is connected with the path hydraulic output valve (9) and the hydraulic lifter (10);
the hydraulic flow divider valve (3) comprises a flow divider valve body (31), a conveying pipe (32), an A supply port (33), a B supply port (34) and a stabilizing mechanism (35), wherein the conveying pipe (32) is connected with the upper end of a hydraulic oil tank (1), the flow divider valve body (31) is arranged at the left end of the conveying pipe (32), the A supply port (33) and the B supply port (34) are oppositely arranged on the front side and the rear side of the right end of the flow divider valve body (31), and the stabilizing mechanism (35) is arranged at the lower end of the A supply port (33);
the stabilizing mechanism (35) comprises a transverse plate (351), a supporting seat (352), a first clamping ring (353), a second clamping ring (354), a screw rod (355), a threaded sleeve (356), a buffering plate (357) and a pressure spring (358), wherein the left end of the transverse plate (351) is fixed to the flow dividing valve body (31), the transverse plate (351) is fixedly connected with the bottom of the supporting seat (352), the top of the supporting seat (352) is provided with the first clamping ring (353), the first clamping ring (353) is hinged to the lower end of the second clamping ring (354), the screw rod (355) is rotatably connected with the inner side of the first clamping ring (353), the upper end of the screw rod (355) is provided with the threaded sleeve (356), and the first clamping ring (353) is elastically connected with the lower end of the buffering plate (357) through the pressure spring (358).
2. The electric tractor hydraulic system of claim 1, wherein: an oil pressure sensor (8) is additionally arranged at the upper end of the B supply port (34).
3. The electric tractor hydraulic system of claim 1, wherein: and the oil pressure sensor (8) is connected with a low-load signal through the motor controller (6) and the VCU (7).
4. The electric tractor hydraulic system of claim 1, wherein: the A supply port (33) is connected with the hydraulic steering gear (4) and the upper end of the front axle steering oil cylinder (5).
5. The electric tractor hydraulic system of claim 1, wherein: the supply port B (34) is connected with the multi-path hydraulic output valve (9) and the upper end of the hydraulic lifter (10).
6. The electric tractor hydraulic system of claim 1, wherein: the lower ends of the A supply port (33) and the B supply port (34) are provided with stabilizing mechanisms (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111513223.4A CN114278625A (en) | 2021-12-12 | 2021-12-12 | Hydraulic system of electric tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111513223.4A CN114278625A (en) | 2021-12-12 | 2021-12-12 | Hydraulic system of electric tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114278625A true CN114278625A (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111513223.4A Pending CN114278625A (en) | 2021-12-12 | 2021-12-12 | Hydraulic system of electric tractor |
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| Country | Link |
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| CN (1) | CN114278625A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3887238A (en) * | 1974-03-13 | 1975-06-03 | Gen Motors Corp | Tractor-trailer braking system with variable motor speed control device |
| JPS5820522A (en) * | 1981-07-24 | 1983-02-07 | Kubota Ltd | Tractor |
| CN105937511A (en) * | 2016-06-22 | 2016-09-14 | 河南瑞创通用机械制造有限公司 | Hydraulic system assembly and tractor |
| CN106168237A (en) * | 2016-09-14 | 2016-11-30 | 河南瑞创通用机械制造有限公司 | A kind of tractor hydraulic system assembly |
| CN108591182A (en) * | 2018-05-25 | 2018-09-28 | 第拖拉机股份有限公司 | Experimental rig and test method for tractor hydraulic system reliability |
| CN208980278U (en) * | 2018-10-17 | 2019-06-14 | 成都新一驱动科技有限责任公司 | A kind of Multifunctional AC electri forklift hydraulic control system |
| CN212738265U (en) * | 2020-08-25 | 2021-03-19 | 临沂宝迪机械有限公司 | Independent oil supply system for suspension mechanism and steering mechanism of agricultural tractor |
| CN216842427U (en) * | 2021-12-12 | 2022-06-28 | 江苏悦达智能农业装备有限公司 | Hydraulic system of electric tractor |
-
2021
- 2021-12-12 CN CN202111513223.4A patent/CN114278625A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3887238A (en) * | 1974-03-13 | 1975-06-03 | Gen Motors Corp | Tractor-trailer braking system with variable motor speed control device |
| JPS5820522A (en) * | 1981-07-24 | 1983-02-07 | Kubota Ltd | Tractor |
| CN105937511A (en) * | 2016-06-22 | 2016-09-14 | 河南瑞创通用机械制造有限公司 | Hydraulic system assembly and tractor |
| CN106168237A (en) * | 2016-09-14 | 2016-11-30 | 河南瑞创通用机械制造有限公司 | A kind of tractor hydraulic system assembly |
| CN108591182A (en) * | 2018-05-25 | 2018-09-28 | 第拖拉机股份有限公司 | Experimental rig and test method for tractor hydraulic system reliability |
| CN208980278U (en) * | 2018-10-17 | 2019-06-14 | 成都新一驱动科技有限责任公司 | A kind of Multifunctional AC electri forklift hydraulic control system |
| CN212738265U (en) * | 2020-08-25 | 2021-03-19 | 临沂宝迪机械有限公司 | Independent oil supply system for suspension mechanism and steering mechanism of agricultural tractor |
| CN216842427U (en) * | 2021-12-12 | 2022-06-28 | 江苏悦达智能农业装备有限公司 | Hydraulic system of electric tractor |
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