CN108791487B - Double-pump and double-motor steering control mechanism for synchronously controlling steering wheel - Google Patents
Double-pump and double-motor steering control mechanism for synchronously controlling steering wheel Download PDFInfo
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- CN108791487B CN108791487B CN201810579574.7A CN201810579574A CN108791487B CN 108791487 B CN108791487 B CN 108791487B CN 201810579574 A CN201810579574 A CN 201810579574A CN 108791487 B CN108791487 B CN 108791487B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000001360 synchronised effect Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 18
- 230000001105 regulatory effect Effects 0.000 abstract description 8
- 230000001276 controlling effect Effects 0.000 description 6
- 238000011065 in-situ storage Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
- B62D11/001—Steering non-deflectable wheels; Steering endless tracks or the like control systems
- B62D11/005—Hydraulic control systems
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Abstract
The double-pump double-motor steering control mechanism is characterized in that a steering moving box is arranged on a steering fixing frame through a guide rod, a steering shaft and an intermediate shaft are arranged in the steering moving box, the upper end of the steering shaft is connected with the steering shaft of a steering machine, a driving gear is arranged in the middle of the steering shaft, a steering balance fan plate is arranged at the lower end of the steering shaft, a driven gear fan is arranged at the upper part of the intermediate shaft, a pinion is arranged at the lower end of the intermediate shaft, the driven gear fan is meshed with the driving gear, and the pinion is meshed with the steering balance fan plate; the left control pull wire and the right control pull wire are arranged on the left side and the right side of the steering balance fan plate, the outer sleeve is fixed on a flexible shaft bracket of the steering fixing frame, the front end of the mandrel is respectively connected with the left arm and the right arm of the steering balance fan plate, and the rear end of the mandrel is connected with a control swing arm of the left variable pump and the right variable pump; the swing plate at the left side of the speed regulating rotating shaft is connected with a speed regulating control handle in the cab through a speed regulating handle pull rod, and the swing plate at the right side is connected with a speed regulating pull rod seat at the lower part of the steering moving box through a speed regulating connecting rod.
Description
Technical Field
The invention relates to a steering control mechanism, in particular to a double-pump and double-motor steering control mechanism synchronously controlled by a steering wheel.
Background
At present, most steering control mechanisms of wheel type travelling mechanisms in society are in various steering modes such as mechanical steering, hydraulic power steering, hydraulic steering and the like, and the turning radius is relatively large; the steering control mechanism of the crawler-type travelling mechanism is mostly realized by controlling a steering clutch or a steering brake through a control handle or a brake pedal, and cannot be synchronously controlled through a steering wheel, so that the flexibility, convenience and comfort of steering are seriously affected.
Disclosure of Invention
The invention aims to overcome the defects, and provides a double-pump and double-motor steering control mechanism for synchronously controlling a steering wheel, which mainly comprises a fixed frame 2011, a guide rod 2012, a steering moving box 2013, a steering balance fan plate 2014, a steering shaft 2015, a pinion 2016, an intermediate shaft 2017, a speed regulating rotating shaft 2018, a speed regulating handle pull rod 2019, a speed regulating connecting rod 2020, a left control pull wire 2021, a right control pull wire 2022, a balance spring 2023, a steering limit plate 2024, a travel limit bolt 2025, a driven gear fan 2026 and a driving gear 2027, and is characterized in that: the steering fixing frame 2011 is fixed below the steering machine, the steering movable box 2013 is mounted on the steering fixing frame 2011 through the guide rods 2012, the guide rods 2012 are distributed on two sides of the steering movable box 2013, and the steering movable box 2013 can slide back and forth on the guide rods 2012; a steering shaft 2015 and an intermediate shaft 2017 are installed in the steering moving box 2013, the upper end of the steering shaft 2015 is connected with the steering shaft of the steering machine, a driving gear 2027 is installed in the middle of the steering shaft 2015 inside the steering moving box 2013, the driving gear 2027 is fixed relative to the steering shaft 2015, the driving gear 2027 is driven by the steering shaft 2015 to rotate together, a steering balance fan 2014 is installed below the steering moving box 2013 and at the lower end of the steering shaft 2015, the steering balance fan 2014 can freely rotate around the steering shaft 2015, a driven gear fan 2026 is installed inside the steering moving box 2013 and at the upper part of the intermediate shaft 2017, a pinion 2016 is installed below the steering moving box 2013 and at the lower end of the intermediate shaft 2017, the pinion 2016 and the driven gear fan 2026 are fixed relative to the intermediate shaft 2017, the driven gear 2026 and the driving gear 2027 are meshed, and the pinion 2016 and the steering balance fan 2014 are meshed; the left control stay wire 2021 and the right control stay wire 2022 are arranged on the left side and the right side of the steering balance fan 2014, the outer sleeve is fixed on a flexible shaft bracket below the steering fixing frame 2011, the front end of a mandrel of the left control stay wire 2021 is connected with the left arm of the steering balance fan 2014, the rear end of the mandrel of the left control stay wire 2021 is connected with a control swing arm of a left variable pump, the front end of a mandrel of the right control stay wire 6022 is connected with the right arm of the steering balance fan 2014, and the rear end of the mandrel of the right control stay wire is connected with a control swing arm of the right variable pump; the swing plate at the left side of the speed regulation rotating shaft 2018 is connected with a speed regulation control handle in a cab through a speed regulation handle pull rod 2019, and the swing plate at the right side of the speed regulation rotating shaft 2018 is connected with a speed regulation connecting rod seat at the lower part of the steering moving box 2013 through a speed regulation connecting rod 2020; the steering limiting plate 2024 is fixed below the steering fixing frame 2011, the left and right sides of the steering balancing fan 2014 are symmetrically arranged, limiting arms on the left and right sides of the steering balancing fan 2014 are located in limiting grooves of the steering limiting plate 2024, the balancing spring 2023 is symmetrically arranged on the left and right sides of the steering balancing fan 2014, one end of the balancing spring 2023 is hung on the limiting arms on the left and right sides of the steering balancing fan 2014, the other end of the balancing spring is hung on a spring seat below the steering fixing frame 2011, and the stroke limiting bolt 2025 is arranged on a beam at the front end of the steering fixing frame 2011.
The invention has the positive effects that: through the structure, the invention realizes the in-situ slip steering of the steering wheel control wheel type or crawler type running mechanism, reduces the turning radius and improves the flexibility, convenience and comfort of steering.
Drawings
The invention will be further described with reference to examples of embodiments in the accompanying drawings:
fig. 1 is a schematic view of a steering mechanism according to the present invention in an obliquely upward view.
Fig. 2 is a schematic view of a steering mechanism of the present invention partially cut away from obliquely below.
Fig. 3 is a schematic view of a steering mechanism of the present invention when steering the moving case by controlling the flexible shaft.
Fig. 4 is a schematic view of a steering mechanism according to the present invention when the driven sector is changed to an internal tooth structure.
Fig. 5 is a schematic view of a steering mechanism according to the present invention using a planetary gear structure.
Fig. 6 is a schematic structural view of the steering mechanism of the present invention when the steering mechanism adopts a worm gear structure.
Fig. 7 is a schematic view of a steering mechanism of the present invention employing a balance gear and balance rack arrangement.
Fig. 8 is a schematic view of a steering mechanism of the present invention employing a coiled return spring configuration.
Fig. 9 is a schematic view of a steering mechanism of the present invention employing bevel gear drive.
Fig. 10 is a schematic view of a steering mechanism of the present invention employing a helical track rack drive.
Detailed Description
The utility model provides a two pump bi-motor steering control mechanism of steering wheel synchronous control, mainly by mount 2011, guide bar 2012, turn to movable box 2013, turn to balanced fan board 2014, steering spindle 2015, pinion 2016, jackshaft 2017, speed governing pivot 2018, speed governing handle pull rod 2019, speed governing connecting rod 2020, left control stay line 2021, right control stay line 2022, balanced spring 2023, turn to limiting plate 2024, travel limit bolt 2025, driven sector 2026, driving gear 2027 and constitute, the specific implementation is as follows:
1. the steering fixing frame 2011 is fixed below the steering machine, the steering movable box 2013 is mounted on the steering fixing frame 2011 through the guide rods 2012, the guide rods 2012 are distributed on two sides of the steering movable box 2013, and the steering movable box 2013 can slide back and forth on the guide rods 2012; a steering shaft 2015 and an intermediate shaft 2017 are installed in the steering moving box 2013, the upper end of the steering shaft 2015 is connected with the steering shaft of the steering machine, a driving gear 2027 is installed in the middle of the steering shaft 2015 inside the steering moving box 2013, the driving gear 2027 is fixed relative to the steering shaft 2015, the driving gear 2027 is driven by the steering shaft 2015 to rotate together, a steering balance fan 2014 is installed below the steering moving box 2013 and at the lower end of the steering shaft 2015, the steering balance fan 2014 can freely rotate around the steering shaft 2015, a driven gear fan 2026 is installed inside the steering moving box 2013 and at the upper part of the intermediate shaft 2017, a pinion 2016 is installed below the steering moving box 2013 and at the lower end of the intermediate shaft 2017, the pinion 2016 and the driven gear fan 2026 are fixed relative to the intermediate shaft 2017, the driven gear 2026 and the driving gear 2027 are meshed, and the pinion 2016 and the steering balance fan 2014 are meshed; the left control stay wire 2021 and the right control stay wire 2022 are arranged on the left side and the right side of the steering balance fan 2014, the outer sleeve is fixed on a flexible shaft bracket below the steering fixing frame 2011, the front end of a mandrel of the left control stay wire 2021 is connected with the left arm of the steering balance fan 2014, the rear end of the mandrel of the left control stay wire 2021 is connected with a control swing arm of the left variable pump 6012, the front end of a mandrel of the right control stay wire 6022 is connected with the right arm of the steering balance fan 2014, and the rear end of the mandrel of the right control stay wire 6016 is connected with a control swing arm of the right variable pump 6016; the swing plate at the left side of the speed regulation rotating shaft 2018 is connected with a speed regulation control handle in a cab through a speed regulation handle pull rod 2019, and the swing plate at the right side of the speed regulation rotating shaft 2018 is connected with a speed regulation connecting rod seat at the lower part of the steering moving box 2013 through a speed regulation connecting rod 2020; the steering limiting plate 2024 is fixed below the steering fixing frame 2011, the left and right sides of the steering balancing fan plate 2014 are symmetrically installed, limiting arms on the left and right sides of the steering balancing fan plate 2014 are located in limiting grooves of the steering limiting plate 2024, the balancing spring 2023 is symmetrically installed on the left and right sides of the steering balancing fan plate 2014, one end of the balancing spring 2023 is hung on the limiting arms on the left and right sides of the steering balancing fan plate 2014, the other end of the balancing spring is hung on a spring seat below the steering fixing frame 2011, and the stroke limiting bolt 2025 is installed on a beam at the front end of the steering fixing frame 2011 (see fig. 1 and 2). When the steering gear is in the return state and the speed regulation control handle is in the neutral position, the steering moving box 2013 is also just in the middle position of the fixing frame 2011 and the guide rod 2012, the steering balance fan 2014 is just in the balance state, the control swing arms of the left variable pump 6012 and the right variable pump 6016 are also in the neutral state, and the harvester is stopped in situ. If the steering wheel is turned right (clockwise), the steering balance fan 2014 also rotates right (clockwise) according to a certain speed ratio, the left control stay 2021 drives the control swing arm of the left variable pump 6012 to swing forward, the left variable pump 6012 drives the left driving motor 1105 to rotate forward and drive the left driving wheel to walk forward, the right control stay 2022 drives the control swing arm of the right variable pump 6016 to swing in the backward direction, the right variable pump 6016 drives the right driving motor 1107 to rotate reversely and drive the right driving wheel to walk backward, and therefore the in-situ right steering of the harvester is achieved (in-situ left steering is achieved in turn). When the steering gear is in a return state and pushes the speed regulation control handle forwards (in the forward direction), the speed regulation control handle drives the steering moving box 2013 to move forwards through the speed regulation handle pull rod 2019, the speed regulation rotating shaft 2018 and the speed regulation connecting rod 2020, the balance fan plate 2014 moves forwards along with the steering moving box 2013, the left and right control pull wire drives the control swing arm of the left and right variable pump to swing forwards at the same time, and the left and right variable pump drives the left and right driving motor to rotate forwards at the same time and drives the driving wheels on the left and right sides to walk forwards. If the steering wheel is turned right (clockwise), the steering balance fan 2014 also rotates right (clockwise) at a certain speed ratio, the left control stay 2021 drives the control swing arm of the left variable pump 6012 to swing further in the forward (acceleration) direction, the right control stay 2022 drives the control swing arm of the right variable pump 6016 to swing in the backward (deceleration) direction, the running speed of the left driving wheel is increased, and the running speed of the right driving wheel is reduced, so that the right steering (and conversely the left steering) of the harvester is realized.
2. The steering wheel synchronous control double-pump double-motor steering control mechanism can also cancel the steering balance fan 2014 and the pinion 2016, increase the output shaft 2033, install the balance arm 2032 at the lower extreme of the output shaft 2033, the front end of the left control stay 2021 dabber is connected with the left arm of the balance arm 2032, the front end of the right control stay 2022 dabber is connected with the right arm of the balance arm 2032, the balance spring 2023 is installed on the left and right sides of the steering balance arm 2032 in bilateral symmetry, the driven tooth fan 2026 is installed on the output shaft 2033 instead of the internal tooth structure, the driving gear 2027 is installed on the steering shaft 2015 and meshed with the driven tooth fan 2026, and the upper end of the steering shaft 2015 is connected with the steering shaft of the steering machine (see fig. 3 and 4). If the steering wheel is turned right (clockwise), the driven gear sector 2026 also drives the balance arm 2032 to rotate right (clockwise) according to a certain speed ratio, the left control stay wire 2021 drives the control swing arm of the left variable pump to swing further in the forward (or acceleration) direction, the right control stay wire 2022 drives the control swing arm of the right variable pump to swing in the backward (or deceleration) direction, the left driving wheel walks in advance (or speeds up), the right driving wheel walks in excess of the rear (or speeds down), and therefore the right steering (and the left steering in turn) of the harvester are achieved.
3. The steering wheel synchronous control double-pump double-motor steering control mechanism adopts a planetary gear structure: the driven sector 2026 is eliminated, a carrier 2038 is mounted on the output shaft 2033, a planetary gear 2035 is mounted on the carrier 2038 through a planetary wheel shaft 2036, the planetary gear 2035 is meshed with a drive gear 2027 and an inner ring gear 2037 at the same time, the inner ring gear 2037 is mounted on the steering movement box 2013, and the drive gear 2027 is mounted on the steering shaft 2015 (see fig. 5).
4. The steering wheel synchronous control double-pump double-motor steering control mechanism adopts a worm and gear structure: the driven sector 2026 and the driving gear 2027 are eliminated, a worm wheel 2042 and a worm 2043 are added, an output shaft 2033 and a steering shaft 2015 are mounted in the steering movement box 2013 so as to be perpendicular to each other, the worm wheel 2042 is mounted on the output shaft 2033, the worm 2043 is mounted on the steering shaft 2015, and the worm 2043 and the worm wheel 2042 are meshed with each other (see fig. 6).
5. The double-pump and double-motor steering control mechanism for synchronously controlling the steering wheel adopts the structure that: the output shaft 2033 and the steering shaft 2015 are mounted in the steering movement box 2013 in a mutually perpendicular manner, the transmission rack 2055 is mounted on the steering shaft 2015, spiral tracks are correspondingly processed on the outer circle of the steering shaft 2015 and the inner hole of the transmission rack 2055, the steering shaft 2015 and the transmission rack 2055 are in transmission connection through the spiral tracks, the driven sector 2026 is mounted on the output shaft 2033, and the driven sector 2026 is meshed with the transmission rack 2055 (see fig. 10). The circulating steel balls can be arranged in the spiral track matched with the transmission rack 2055 and the steering shaft 2015, and the sliding friction between the spiral tracks is changed into the rolling friction between the spiral tracks and the circulating steel balls, so that the operating force is reduced, and the service life is prolonged.
6. The steering wheel synchronous control double-pump double-motor steering control mechanism adopts a bevel gear structure: an output shaft 2033 and a steering shaft 2015 are mounted in the steering movement box 2013 so as to be perpendicular to each other, a drive bevel gear 2051 is mounted on the steering shaft 2015, a driven bevel gear 2052 is mounted on the output shaft 2033, and the drive bevel gear 2051 and the driven bevel gear 2052 are meshed with each other (see fig. 9).
7. The double-pump double-motor steering control mechanism with synchronous control of the steering wheel can also cancel a speed regulation rotating shaft 2018, a speed regulation handle pull rod 2019 and a speed regulation connecting rod 2020, the steering moving box 2013 is connected with the speed regulation control handle through a control flexible shaft 2031, and the speed regulation control handle controls the position of the steering moving box 2013 through the control flexible shaft 2031 (see fig. 3).
8. The double-pump and double-motor steering control mechanism for synchronously controlling the steering wheel can also eliminate a balance spring 2023, a volute return spring 2041 is arranged between a steering shaft 2015 and a steering moving box 2013, and the inner end of the volute return spring 2041 is fixed on the steering shaft 2015, and the outer end of the volute return spring 2041 is fixed on the steering moving box 2013 (see fig. 8). The spiral return spring 2041 can be one or two or more, when the steering wheel is rotated clockwise (or anticlockwise), the spiral return spring 2041 can generate an anticlockwise (or clockwise) return moment, and after the steering force is removed, the steering wheel can automatically return to the middle position under the action of the spiral return spring 2041 return moment.
9. The dual-pump dual-motor steering control mechanism with synchronous control of the steering wheel, a balance arm 032), a balance gear 2046, a left balance rack 2045 and a right balance rack 2047 are added, the balance gear 2046 is installed on the output shaft 2033, the left balance rack 2045 and the right balance rack 2047 are installed on two sides of the balance gear 2046, the front end of the spindle of the left control wire 2021 is connected with the left balance rack 2045, and the front end of the spindle of the right control wire 2022 is connected with the right balance rack 2047 (see fig. 7). If the steering wheel is rotated rightward (clockwise), the balance gear 2046 also rotates clockwise according to a certain speed ratio, the balance gear 2046 drives the left balance rack 2045 to move forward, the right balance rack 2047 to move backward, the left balance rack 2045 drives the control swing arm of the left variable pump to swing further forward (or accelerate) through the left control pull wire 2021, the right balance rack 2047 drives the control swing arm of the right variable pump to swing in the backward (or decelerate) direction through the right control pull wire 2022, the left driving wheel walks in advance (or speeds up), the right driving wheel walks in excess of the backward (or speeds down), and therefore the rightward steering (or the leftward steering is realized in turn) of the harvester is realized. Of course, the number of balance gears 2046 may be two, and the left balance rack 2045 is meshed with the left balance gear, and the right balance rack 2047 is meshed with the right balance gear, which are respectively mounted on the left and right ends of the output shaft 2033.
10. In the dual-pump dual-motor steering control mechanism synchronously controlled by the steering wheel, an intermediate transmission device can be omitted, a balance gear 2046 is directly arranged on a steering shaft 2015, a left balance rack 2045 and a right balance rack 2047 are arranged on two sides of the balance gear 2046, the front end of a core shaft of a left control stay wire 2021 is connected with the left balance rack 2045, and the front end of a core shaft of a right control stay wire 2022 is connected with the right balance rack 2047. If the steering wheel is turned right (clockwise), the steering shaft 2015 drives the balance gear 2046 to rotate clockwise, the balance gear 2046 drives the left balance rack 2045 to move forward, the right balance rack 2047 to move backward, the left balance rack 2045 drives the control swing arm of the left variable pump to swing further forward (or accelerate) through the left control stay 2021, the right balance rack 2047 drives the control swing arm of the right variable pump to swing in the backward (or decelerate) direction through the right control stay 2022, the left driving wheel walks in advance (or walks at an accelerated speed), and the right driving wheel walks in excess of the backward (or walks at a slower speed), so that the right steering (or the left steering is realized in turn) of the harvester is realized.
Claims (10)
1. The utility model provides a steering wheel synchronous control's double pump bi-motor turns to operating mechanism, including turning to mount (2011), guide bar (2012), turn to and remove case (2013), turn to balanced fan board (2014), steering spindle (2015), pinion (2016), jackshaft (2017), speed governing pivot (2018), speed governing handle pull rod (2019), speed governing connecting rod (2020), left control act as go-between (2021), right control act as go-between (2022), balanced spring (2023), turn to limiting plate (2024), stroke spacing bolt (2025), driven gear sector (2026), driving gear (2027), its characterized in that: the steering fixing frame (2011) is fixed below the steering machine, the steering moving box (2013) is installed on the steering fixing frame (2011) through the guide rods (2012), the guide rods (2012) are distributed on two sides of the steering moving box (2013), and the steering moving box (2013) can slide back and forth on the guide rods (2012); a steering shaft (2015) and an intermediate shaft (2017) are arranged in a steering moving box (2013), the upper end of the steering shaft (2015) is connected with the steering shaft of the steering machine, a driving gear (2027) is arranged in the middle of the steering shaft (2015) in the steering moving box (2013), the driving gear (2027) is fixed relative to the steering shaft (2015), the driving gear (2027) is driven by the steering shaft (2015) to rotate together, a steering balance fan plate (2014) is arranged at the lower end of the steering shaft (2015) below the steering moving box (2013), the steering balance fan plate (2014) can freely rotate around the steering shaft (2015), a driven gear fan (2026) is arranged at the upper part of the intermediate shaft (2017) inside the steering moving box (2013), a pinion (2026) is arranged at the lower end of the intermediate shaft (2017), the pinion (2026) and the pinion (2026) is fixed relative to the intermediate shaft (2017), and the pinion (2026) and the driving gear (2026) and the driven gear (2026) are meshed with the driven gear fan (2016); the left control stay wire (2021) and the right control stay wire (2022) are arranged on the left side and the right side of the steering balance fan plate (2014), the outer sleeve is fixed on a flexible shaft bracket below the steering fixing frame (2011), the front end of a mandrel of the left control stay wire (2021) is connected with a left arm of the steering balance fan plate (2014), the rear end of the mandrel of the left control stay wire is connected with a control swing arm of the left variable pump, the front end of the mandrel of the right control stay wire (2022) is connected with a right arm of the steering balance fan plate (2014), and the rear end of the mandrel of the right control stay wire is connected with a control swing arm of the right variable pump; the swing plate at the left side of the speed regulation rotating shaft (2018) is connected with a speed regulation control handle in a cab through a speed regulation handle pull rod (2019), and the swing plate at the right side of the speed regulation rotating shaft (2018) is connected with a speed regulation connecting rod seat at the lower part of the steering moving box (2013) through a speed regulation connecting rod (2020); the steering limiting plate (2024) is fixed below the steering fixing frame (2011), the left and right sides of the steering balancing fan plate (2014) are symmetrically installed, limiting arms on the left and right sides of the steering balancing fan plate (2014) are located in limiting grooves of the steering limiting plate (2024), the balancing spring (2023) is symmetrically installed on the left and right sides of the steering balancing fan plate (2014), one end of the balancing spring is hung on the limiting arms on the left and right sides of the steering balancing fan plate (2014), the other end of the balancing spring is hung on a spring seat below the steering fixing frame (2011), and the stroke limiting bolt (2025) is installed on a cross beam at the front end of the steering fixing frame (2011).
2. The dual pump, dual motor steering mechanism of claim 1, wherein: the steering control part cancels a steering balance fan plate (2014) and a pinion (2016), an output shaft (2033) is added, a balance arm (2032) is arranged at the lower end of the output shaft (2033), the front end of a core shaft of a left control stay wire (2021) is connected with the left arm of the balance arm (2032), the front end of the core shaft of a right control stay wire (2022) is connected with the right arm of the balance arm (2032), balance springs (2023) are symmetrically arranged at the left side and the right side of the steering balance arm (2032) in spring holes at the left side and the right side of the balance arm (2032), driven tooth sectors (2026) are arranged on the output shaft (2033) instead of an internal tooth structure, a driving gear (2027) is arranged on a steering shaft (2015) and meshed with the driven tooth sectors (2026), and the upper end of the steering shaft (2015) is connected with a steering shaft of a steering machine.
3. The dual pump, dual motor steering mechanism for synchronous control of a steering wheel according to claim 2, wherein the steering control section adopts a planetary gear structure: the driven sector (2026) is canceled, a planetary gear (2035), a planetary wheel shaft (2036), an inner gear ring (2037) and a planet carrier (2038) are added, the planet carrier (2038) is arranged on an output shaft (2033), the planetary gear (2035) is arranged on the planet carrier (2038) through the planetary wheel shaft (2036), the planetary gear (2035) is meshed with a driving gear (2027) and the inner gear ring (2037) at the same time, the inner gear ring (2037) is arranged on a steering moving box (2013), and the driving gear (2027) is arranged on a steering shaft (2015).
4. The dual pump, dual motor steering mechanism for synchronous control of a steering wheel according to claim 2, wherein the steering control section adopts a worm gear structure: the driven sector (2026) and the driving gear (2027) are omitted, a worm wheel (2042) and a worm (2043) are added, an output shaft (2033) and a steering shaft (2015) are mounted in the steering moving box (2013) in a mutually perpendicular mode, the worm wheel (2042) is mounted on the output shaft (2033), the worm (2043) is mounted on the steering shaft (2015), and the worm (2043) is meshed with the worm wheel (2042).
5. The dual pump, dual motor steering mechanism of claim 4, wherein: the output shaft (2033) and the steering shaft (2015) are mutually perpendicular and arranged in the steering moving box (2013), the steering shaft (2015) is provided with the transmission rack (2055), the outer circle of the steering shaft (2015) and the inner hole of the transmission rack (2055) are correspondingly processed with spiral tracks, the steering shaft (2015) and the transmission rack (2055) are in transmission connection through the spiral tracks, the driven sector (2026) is arranged on the output shaft (2033), the driven sector (2026) is meshed with the transmission rack (2055), and the spiral tracks of the steering shaft (2015) and the transmission rack (2055) are provided with circulating steel balls.
6. The dual pump, dual motor steering mechanism for synchronous control of a steering wheel according to claim 4, wherein the steering control section adopts a bevel gear structure: the output shaft (2033) and the steering shaft (2015) are mutually perpendicular and arranged in the steering moving box (2013), the driving bevel gear (2051) is arranged on the steering shaft (2015), the driven bevel gear (2052) is arranged on the output shaft (2033), and the driving bevel gear (2051) and the driven bevel gear (2052) are mutually meshed.
7. The dual pump, dual motor steering mechanism for synchronous control of a steering wheel according to any one of claims 1-6, wherein: the speed regulation control part cancels a speed regulation rotating shaft (2018), a speed regulation handle pull rod (2019) and a speed regulation connecting rod (2020), the steering moving box (2013) is connected with a speed regulation control handle through a control flexible shaft (2031), and the speed regulation control handle controls the position of the steering moving box (2013) through the control flexible shaft (2031).
8. The dual pump, dual motor steering mechanism for synchronous control of a steering wheel according to any one of claims 2-6, wherein: and a balance canceling spring (2023), wherein a scroll return spring (2041) is arranged between the steering shaft (2015) and the steering moving box (2013), the inner end of the scroll return spring (2041) is fixed on the steering shaft (2015), and the outer end of the scroll return spring is fixed on the steering moving box (2013).
9. The dual pump, dual motor steering mechanism of claim 8, wherein: the balance arm (2032) is canceled, the balance gear (2046), the left balance rack (2045) and the right balance rack (2047) are added, the balance gear (2046) is installed on the output shaft (2033), the left balance rack (2045) and the right balance rack (2047) are installed on two sides of the balance gear (2046), the front end of the mandrel of the left control stay wire (2021) is connected with the left balance rack (2045), and the front end of the mandrel of the right control stay wire (2022) is connected with the right balance rack (2047).
10. The dual pump, dual motor steering mechanism of claim 9, wherein: and the middle transmission device is canceled, the balance gear (2046) is directly arranged on the steering shaft (2015), the left balance rack (2045) and the right balance rack (2047) are arranged on two sides of the balance gear (2046), the front end of the mandrel of the left control stay wire (2021) is connected with the left balance rack (2045), and the front end of the mandrel of the right control stay wire (2022) is connected with the right balance rack (2047).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810579574.7A CN108791487B (en) | 2018-05-29 | 2018-05-29 | Double-pump and double-motor steering control mechanism for synchronously controlling steering wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810579574.7A CN108791487B (en) | 2018-05-29 | 2018-05-29 | Double-pump and double-motor steering control mechanism for synchronously controlling steering wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108791487A CN108791487A (en) | 2018-11-13 |
| CN108791487B true CN108791487B (en) | 2024-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810579574.7A Active CN108791487B (en) | 2018-05-29 | 2018-05-29 | Double-pump and double-motor steering control mechanism for synchronously controlling steering wheel |
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| CN108791487A (en) | 2018-11-13 |
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