CN110182183B - Manual and electric dual-purpose wheel alignment control automobile transverse movement device - Google Patents
Manual and electric dual-purpose wheel alignment control automobile transverse movement device Download PDFInfo
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- CN110182183B CN110182183B CN201910534664.9A CN201910534664A CN110182183B CN 110182183 B CN110182183 B CN 110182183B CN 201910534664 A CN201910534664 A CN 201910534664A CN 110182183 B CN110182183 B CN 110182183B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/14—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for both lifting and manoeuvring
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Abstract
A manual and electric dual-purpose wheel alignment control automobile transverse movement device comprises a frame mechanism, a total control mechanism, a lifting control mechanism, a walking control mechanism, a locking mechanism and an electric mechanism. The device is arranged on a chassis of an automobile, and a frame mechanism is provided with four travelling wheels. The main control mechanism is a safety protection mechanism for switching the lifting automobile and the moving automobile by controlling the lifting control mechanism and the traveling control mechanism to lift and fall and transversely translate through the up-and-down swing of the handle. The device adopts two driving modes of manual and electric; when the electric driving is adopted, the electric driving replaces manual driving, so that the labor is saved; the traveling control mechanism of the wheel alignment mechanism can realize transverse movement of the vehicle and solve the problem of difficult parking. When the vehicle is parked, the lifting mechanism is adopted, so that the pressure of the wheels can be reduced when the vehicle is parked, and the service lives of parts such as tires, hubs, axles and the like can be prolonged; the lifting mechanism also helps the vehicle that falls away from the danger.
Description
Technical Field
The invention relates to an automobile auxiliary device, in particular to a vehicle-mounted manual and electric dual-purpose wheel-pair control automobile transverse moving device.
Background
At present, the quantity of the automobile is more and more, and the existing automobile on the market is not provided with a transverse moving device, so that the problems of difficult parking, difficult moving and the like are solved. The prior art has the problems of complex structure, inconvenient operation and the like.
Disclosure of Invention
In order to solve the problems, the invention provides a manual and electric dual-purpose wheel-pair control automobile transverse moving device. The device can transversely move the vehicle, solves the problem that the existing vehicle cannot enter the position in a small space, and can transversely move out of the vehicle when obstacles (including the vehicle) exist in front and back.
The technical scheme adopted for solving the technical problems is as follows: a manual and electric dual-purpose wheel alignment control automobile transverse movement device comprises a frame mechanism, a total control mechanism, a lifting control mechanism, a walking control mechanism, a locking mechanism and an electric mechanism. The device is basically of a symmetrical structure, is installed on a chassis of an automobile, the direction of a travelling wheel is perpendicular to the direction of wheels, a total operating mechanism and a locking mechanism are arranged on the right side of a driver, the total operating mechanism is arranged on the left, and the locking mechanism is arranged on the right.
The frame mechanism consists of a frame body, a lifting rod, a connecting rod, a wheel shaft, a travelling wheel, a half shaft, a transition shaft and a transition short shaft; the frame body is a supporting frame of the device and is a symmetrical rectangular frame, and two cross beams and rectangular guard plates for protecting the oil cylinders are arranged in the middle of the frame body; the lower end of the frame body is provided with six bosses, the bosses are respectively provided with a transition shaft and two transition short shafts, the transition shafts are a through shaft, the transition short shafts are two, the lower ends of the transition shafts and the transition short shafts are connected with six lifting rods, the lower ends of the four lifting rods on the left are connected with two half shafts, the lower ends of the two lifting rods on the right are connected with wheel shafts, the half shafts and the wheel shafts are connected by connecting rods, and the outer ends of the half shafts and the wheel shafts are connected with four travelling wheels. A parallel four-bar mechanism is composed of a transition shaft, a transition short shaft, a lifting rod and a connecting rod, wherein a half shaft can rotate around the transition shaft, and a wheel shaft can rotate around the transition short shaft. Thereby lifting and falling of the travelling wheel can be realized, and the falling and lifting of the automobile can be completed.
The general operating mechanism consists of a handle, a loop bar seat, a fixing pin, a rotating rod, ratchet wheel seats, ratchet wheel seat outer covers, ratchet wheel seat inner covers, screws and a middle shaft, wherein the handle consists of two T-shaped cylinders, the cylinder at the lower end of the handle is a circular tube, the loop bar is sleeved on the loop bar, the upper part of the loop bar is a circular tube, the lower part of the loop bar is a loop bar seat, the ratchet wheel seats are fixedly arranged at the two ends of the loop bar seat by the screws, ratchet wheel seat outer covers and ratchet wheel seat inner covers are fixedly connected with ratchet wheel shafts at the two sides of each ratchet wheel seat, the ratchet wheel seat outer covers and the ratchet wheel seat inner covers are provided with circular holes and are connected with the middle shaft in a matched mode, the middle shaft is arranged on the frame body, and the middle shaft can rotate on the frame body. The upper part of the rotating rod is a cylindrical pipe, and the lower part is a cylindrical shaft. The upper part of the rotating rod is fixedly connected with the handle through a fixing pin, and the handle and the rotating rod can rotate along the loop bar. The handle, the loop bar seat, the rotating rod and the ratchet wheel seat can swing up and down around the center shaft.
The lifting control mechanism consists of a loop bar, a loop bar seat support arm, a pulling and pressing shaft, an oil cylinder driving rod, an oil cylinder support arm, an oil cylinder rod, an oil cylinder top shaft, a bracket rotating shaft, a tension spring, a lantern ring and a wheel shaft. The oil cylinder is provided with an oil cylinder support arm, an oil cylinder driving rod, a pressure relief rod and an oil cylinder rod; the oil cylinder support arm is arranged on the center shaft, and the oil cylinder can swing around the center shaft; the sleeve rod seat is provided with a sleeve rod seat support arm, the sleeve rod seat support arm is fixedly provided with a pulling and pressing shaft, the pulling and pressing shaft is arranged in a square frame of the oil cylinder driving rod, the oil cylinder driving rod can move up and down in the oil cylinder and can drive the extension of the oil cylinder rod, the oil cylinder rod is provided with a ratchet, the right end of the oil cylinder rod is connected with an oil cylinder top shaft, two ends of the oil cylinder top shaft are respectively connected with a support, the support is triangular plate-shaped and is connected to a support body through a support rotating shaft, and the support can rotate around the support rotating shaft. The lower end of the bracket is hinged with the connecting rod through a wheel shaft. The two sides of the wheel axle are symmetrically sleeved with a lantern ring respectively, each lantern ring is connected with the lower end of one tension spring, two tension springs are arranged, and the upper ends of the tension springs are connected to the frame body. When the travelling wheel is required to fall down, the sleeve rod is driven by hands to swing up and down, the pulling and pressing shaft and the oil cylinder driving rod are driven to move up and down, the oil cylinder rod is pushed out to stretch, the bracket is driven to rotate clockwise around the bracket rotating shaft, the wheel shaft can rotate to a low point, the travelling wheel falls down, and the tension spring is in a stretching state. When the travelling wheel is required to be lifted, the oil cylinder is in a non-working state, the oil cylinder rod loses the oil pressure thrust, and the wheel shaft is pulled up under the tension of the tension spring, so that the travelling wheel is lifted.
The walking control mechanism consists of a rotating rod, a pin shaft, a gear, a connecting pin, a wheel-opposite shifting rod, a wheel-opposite lower plate, a sleeve rod seat, a pawl, a ratchet shaft, a ratchet wheel, a pin, a sleeve rod seat nut, a ratchet wheel seat, a blocking sleeve, a nut, a chain wheel, a key and a duplex chain wheel. The lower end of the rotating rod is provided with two gears on a cylindrical shaft, and one gear is fixed on the rotating rod by a connecting pin; the other gear is sleeved on the pin shaft, and the two gears are meshed. The two pin shafts are symmetrically placed on the two sides of the rotating rod in front and back, the pin shaft is divided into a large shaft section and a small shaft section, the small shaft section of the pin shaft is inserted into a round hole of the sleeve rod seat, and the upper end of the small shaft section of the pin shaft is fixed by a nut of the sleeve rod seat; the large shaft sections of the two pin shafts are sleeved with a wheel-setting deflector rod and a wheel-setting lower plate, the shape of the wheel-setting lower plate is diamond-shaped, two symmetrical large round holes are formed in the wheel-setting lower plate, and the two large round holes are sleeved on the large shaft sections of the pin shafts; the two opposite wheel shifting levers are in the same shape and are in a sector gear, the other end of the sector gear is a cylindrical rod, the sector gear is provided with a cylindrical hole, the cylindrical hole is sleeved on the large shaft sections of the two pin shafts respectively, the opposite wheel shifting levers are arranged between gears on the lower plate of the opposite wheel and the rotating rod, the two sector gears are meshed with each other, and the cylindrical rods of the two opposite wheel shifting levers are inserted into ratchet seats on the two sides respectively and are positioned above pawls; a ratchet wheel is sleeved on a central shaft in the ratchet seat, the ratchet wheel is fixed on the central shaft by a pin, a ratchet shaft is arranged above the ratchet wheel, a pawl is sleeved on the ratchet shaft and can rotate around the ratchet shaft, ratchet teeth are arranged on two sides of the lower end of the pawl, and can clamp gear teeth of the ratchet wheel to limit the rotation direction of the ratchet wheel; the two sides of the pawl are provided with coil springs, one ends of the coil springs are fixed on the ratchet seat, the coil springs are propped against the side surface of the pawl, and only the acting force of the two coil springs is considered, so that the pawl is kept at a middle balance position, and the pawl is disconnected from the ratchet wheel. The middle shaft is positioned on the frame body by the nut and the spring retainer ring and can only rotate on the frame body. The two sides of the middle shaft are provided with a baffle sleeve and a chain wheel, and the chain wheel is connected on the middle shaft by a key to form key connection. The transition shaft on the frame body is sleeved with two duplex chain wheels, each half shaft is connected with a chain wheel in a key way, the chain wheels are connected with chains, 4 groups of symmetrical chain transmission are shared, two groups of the chain transmission are the duplex chain wheels and the chain transmission of the chain wheels on the middle shaft, and the other two groups of the chain transmission are the duplex chain wheels and the chain transmission of the chain wheels on the half shaft.
The locking mechanism consists of a locking handle, a locking screw, a locking frame, a locking brake lever, a locking pin shaft, an oil discharging lever, a locking spring, a brake lever head, a locking positioning pin and a positioning groove; the upper part of the oil cylinder is provided with a locking frame which is integrated with the oil cylinder, the locking frame is in a rectangular frame shape, a pressure unloading rod is arranged in the rectangular frame shape, the lower part of the pressure unloading rod is a cylindrical rod which stretches into the oil cylinder and is a switch for the oil cylinder to work, and the pressure unloading rod can move up and down to have two positions: upper and lower positions; when the pressure release rod is pressed downwards to the bottom in the lower position, the oil cylinder is in a normal working state, and the oil cylinder driving rod moves up and down to drive the oil cylinder rod to extend out; the pressure release rod is lifted upwards when in the upper position, and is in a pressure release state of the oil cylinder, and the oil cylinder driving rod is disabled. The middle lower part of the unloading rod is provided with a cuboid, a long circular groove is arranged in the cuboid, a cylindrical pin for locking the end part of the brake rod is arranged in the long circular groove, and the cylindrical pin can slide in the long circular groove; the upper part of the pressure unloading rod is a cylindrical rod, a threaded hole is formed in the upper end of the cylindrical rod, a locking handle is sleeved outside the cylindrical rod, a counter bore is formed in the upper end of the locking handle, a locking screw is arranged in the counter bore, and the locking screw is screwed into the threaded hole of the pressure unloading rod to be connected with the pressure unloading rod; the lower end of the locking handle is a cylindrical pipe, a locking positioning pin is arranged in the middle of the cylindrical pipe, the locking positioning pin is in a convex cylindrical shape, the cylindrical pipe of the locking handle can rotate around the unloading rod and can drive the unloading rod to move up and down, a semicircular positioning groove is formed in the upper end of the locking frame, when the unloading rod is pulled to an upper position, the locking positioning pin is rotated by 90 degrees clockwise again, and is placed in the positioning groove to lock the upper position of the unloading rod; the locking brake rod is in a long rod shape and is hinged on the oil cylinder through a locking pin shaft, the locking brake rod can rotate around the locking pin shaft, a ratchet is arranged on the oil cylinder rod at the right end of the locking brake rod, and when the locking brake rod rotates clockwise and the ratchet on the locking brake rod is overlapped with the ratchet on the oil cylinder rod, the oil cylinder rod is locked and cannot stretch; thereby reach the lifting and the purpose of falling of locking walking wheel, the cylinder pipe outside cover of locking handle has locking spring, and locking spring is compression spring, and its lower extreme is contacted with the cuboid top of unloading pole, and the upper end pushes up on the diaphragm of locking frame, and unloading pole can be pressed to the lower place under locking spring's effect.
The electric mechanism consists of a motor, a motor gear, a gear shaft, an eccentric gear, an eccentric groove, a groove rod and an oil cylinder shaft nut; the motor and the motor gears are respectively two, the motor is symmetrically arranged on a transverse plate of the oil cylinder, the motor shaft is fixedly provided with the motor gears, the left end of the oil cylinder is provided with a gear shaft, the gear shaft and the oil cylinder are made into a whole, an eccentric gear is sleeved on the upper space of the gear shaft, and the eccentric gear is positioned on the gear shaft by an oil cylinder shaft nut; the right end face of the eccentric gear is provided with an eccentric groove, a groove rod is arranged in the groove, the groove rod is cylindrical and is made into a whole with the oil cylinder driving rod, and the groove rod can move up and down when the eccentric gear rotates. When the motor rotates, the motor gear and the eccentric gear are driven to rotate, the groove rod is driven to move up and down and the sleeve rod is driven to swing up and down, and therefore the motor is driven to rotate to replace manpower.
The beneficial effects of the invention are as follows: the device is driven manually or electrically, the manual driving is replaced by the electric driving, the labor is saved, and the manual driving is adopted to be used when the power supply of the vehicle is fed; the traveling control mechanism is adopted, so that the vehicle can be moved more conveniently, and the problem of difficult parking is solved. When the vehicle is parked, the lifting mechanism is adopted to subtract the pressure of the wheels so as to prolong the service life of parts such as tires, hubs, axles and the like; the lifting mechanism also helps the vehicle that falls away from the danger.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a perspective view showing the overall structure;
FIG. 2 is a front view, in full and partial cutaway;
FIG. 3 is a left side view;
FIG. 4 is a top view;
FIG. 5 is an enlarged view of a portion of FIG. 2;
FIG. 6 is a rotational cross-sectional view taken along AA in FIG. 2, and is a partial cross-sectional view;
FIG. 7 is an oblique cross-sectional view taken along BB in FIG. 2, and is a partial cross-sectional view;
FIG. 8 is an oblique cross-sectional view taken along CC in FIG. 2, and is a partial half-sectional view;
FIG. 9 is an oblique cross-sectional view taken along DD in FIG. 2, and is a partial cross-sectional view;
fig. 10, 14 and 15 are step sectional views taken along EE in fig. 6, and are partial half sectional views;
FIGS. 11, 12, 13 are partial cross-sectional views taken along FF in FIG. 6;
FIG. 16 shows a perspective view of the overall structure after lifting of the road wheels;
fig. 17 shows a front view of the road wheel after lifting, with full and partial cut-away.
The hydraulic brake system comprises a walking wheel 1, a transitional shaft 2, a lifting and falling rod 4, a body 5, a chain 6, a chain wheel 7, a handle 8, a loop rod 9, a loop seat 10, a locking end 11, a locking handle 12, a connecting rod 13, a transitional short shaft 14, a hydro-cylinder rod 15, a hydro-cylinder top shaft 16, a bracket 17, a bracket rotary shaft 18, a tension spring 19, a sleeve ring 20, a wheel shaft 21, a fixed pin 22, a rotary rod 23, a pulling and pressing shaft 24, a locking bracket 25, a locking gate rod 26, a locking pin shaft 27, a hydro-cylinder 28, a centre shaft 29, a hydro-cylinder driving rod 30, a semi-axis 31, a duplex chain wheel 32, a nut 33 and a blocking sleeve, 34, outer ratchet seat cover, 35, toggle lever, 36, gear shaft, 37, toggle lower plate, 38, screw, 39, pawl, 40, ratchet shaft, 41, pin, 42, key, 43, ratchet, 44, cylinder arm, 45, inner ratchet seat cover, 46, coil spring, 47, ratchet seat, 48, cylinder shaft nut, 49, eccentric gear, 50, connecting pin, 51, 52, pin, 53, pressure relief lever, 54, locking spring, 55, brake head, 56, locking detent, 57, detent, 58, motor, 59, motor gear, 60, sleeve seat arm, 61, eccentric groove, 62, groove lever, 63, sleeve seat nut.
Detailed Description
Fig. 1 to 11 show the structural composition of the present device and the connection and positional relationship of the components. Comprises a frame mechanism, a main control mechanism, a lifting control mechanism, a walking control mechanism, a locking mechanism and an electric control mechanism. The device is of substantially symmetrical construction.
Fig. 1 to 4 show the structural composition of the frame mechanism and the connection and positional relationship of the components. The frame mechanism consists of a frame body 4, a lifting rod 3, a connecting rod 12, a wheel shaft 20, a travelling wheel 1, a half shaft 30, a transition shaft 2 and a transition short shaft 13; the frame body 4 is a supporting frame of the device and is a symmetrical rectangular frame, and a rectangular guard plate with two cross beams and two protection oil cylinders 27 is arranged in the middle; the lower extreme of support body 4 is equipped with six bosss, and a transition axle 2 and two transition minor axis 13 are installed respectively to the boss, and transition axle 2 is a logical axle, and transition minor axis 13 has two, and six landing poles 3 are connected to transition axle 2 and transition minor axis 13 lower extreme, and two semi-axles 30 are connected to four landing pole 3 lower extreme in the left, and shaft 20 is connected to two landing pole 3 lower extreme on the right, and semi-axle 30 and shaft 20 are connected by connecting rod 12, and four walking wheels 1 are connected to semi-axle 30 and shaft 20 outer end. The transition shaft 2, the transition short shaft 13, the lifting rod 3 and the connecting rod 12 form a parallel four-rod mechanism, the half shaft 30 can rotate around the transition shaft 2, and the wheel shaft 20 can rotate around the transition short shaft 13. Thereby lifting and falling of the travelling wheel 1 and falling and lifting of the automobile can be realized.
Fig. 1 to 6 show the structural composition of the total operating mechanism and the connection and positional relationship of the components. The general operating mechanism consists of a handle 7, a loop bar 8, a loop bar seat 9, fixing pins 21, a rotating rod 22, ratchet seats 47, ratchet seat outer covers 34, ratchet seat inner covers 45, screws 38 and a center shaft 28, wherein the handle 7 consists of two T-shaped cylinders, the lower end of the handle 7 is a circular tube, the handle 7 is sleeved on the loop bar 8, the upper part of the loop bar 8 is a circular tube, the lower part of the loop bar seat is the loop bar seat 9, two ends of the loop bar seat 9 are fixedly provided with ratchet seats 47 by the screws 38, two sides of each ratchet seat 47 are fixedly connected with ratchet seat outer covers 34 and ratchet seat inner covers 45 by ratchet shafts 40, the ratchet seat outer covers 34 and the ratchet seat inner covers 45 are provided with circular holes and are connected with the center shaft 28 in a matched mode, the center shaft 28 is arranged on the frame body 4, and the center shaft 28 can rotate on the frame body 4. The upper part of the rotating rod 22 is a cylindrical pipe, and the lower part is a cylindrical shaft. The upper part of the rotating rod 22 is fixedly connected with the handle 7 by a fixing pin 21, and the handle 7 and the rotating rod 22 can move up and down and rotate along the sleeve rod 8. The handle 7, the loop bar 8, the loop bar seat 9, the rotating rod 22 and the ratchet wheel seat 47 can swing up and down around the center shaft 28.
Fig. 1 to 5 show the structural composition of the lift operating mechanism and the connection and positional relationship of the components. The lifting control mechanism consists of a loop bar 8, a loop bar seat 9, a loop bar seat support arm 60, a pulling and pressing shaft 23, an oil cylinder driving rod 29, an oil cylinder support arm 44, an oil cylinder 27, an oil cylinder rod 14, an oil cylinder top shaft 15, a bracket 16, a bracket rotating shaft 17, a tension spring 18, a lantern ring 19 and an axle 20. The oil cylinder 27 is provided with an oil cylinder support arm 44, an oil cylinder driving rod 29, a pressure relief rod 53 and an oil cylinder rod 14; the oil cylinder support arm 44 is arranged on the center shaft 28, and the oil cylinder 27 can swing around the center shaft 28; the loop bar seat 9 is provided with a loop bar seat support arm 60, the loop bar seat support arm 60 is fixedly provided with a pulling and pressing shaft 23, the pulling and pressing shaft 23 is arranged in a square frame of the oil cylinder driving rod 29, the oil cylinder driving rod 29 can move up and down in the oil cylinder 27 and can drive the extension of the oil cylinder rod 14, the right end of the oil cylinder rod 14 is connected with an oil cylinder top shaft 15, two ends of the oil cylinder top shaft 15 are respectively connected with a support 16, the support 16 is in a triangle plate shape, the support is connected to the support body 4 through a support rotating shaft 17, and the support 16 can rotate around the support rotating shaft 17. The lower end of the bracket 16 and the link 12 are hinged by an axle 20. Two sleeves 19 are symmetrically sleeved on two sides of the wheel shaft 20, each sleeve 19 is connected with the lower end of one tension spring 18, two tension springs 18 are arranged, and the upper ends of the tension springs 18 are connected to the frame body 4. When the travelling wheel 1 is required to fall, the sleeve rod 8 is driven by hands to swing up and down, the pulling and pressing shaft 23 and the oil cylinder driving rod 29 are driven to move up and down, the oil cylinder rod 14 is pushed out to stretch, the bracket 16 is driven to rotate clockwise around the bracket rotating shaft 17, the wheel shaft 20 can rotate to a low point, the travelling wheel 1 falls, and the tension spring 18 is in a stretching state. When the travelling wheel 1 is required to be lifted, the oil cylinder 27 is in a non-working state, the oil cylinder rod 14 loses the oil pressure thrust, and the wheel shaft 20 is pulled up under the tension of the tension spring 18, so that the travelling wheel 1 is lifted.
Fig. 1 to 6, 10 and 11 show the structural components of the travel control mechanism and the connection and positional relationship of the components. The walking control mechanism consists of a rotating rod 22, a pin shaft 52, a gear 51, a connecting pin 50, a wheel-opposite shifting rod 35, a wheel-opposite lower plate 37, a sleeve rod 8, a sleeve rod seat 9, a pawl 39, a ratchet shaft 40, a ratchet wheel 43, a pin 41, a sleeve rod seat nut 63, a ratchet wheel seat 47, a blocking sleeve 33, a nut 32, a chain 5, a chain wheel 6, a key 42 and a duplex chain wheel 31. The lower end of the rotating rod 22 is provided with two gears 51 on a cylinder shaft, and one gear 51 is fixed on the rotating rod 22 by a connecting pin 50; the other gear 51 is sleeved on the pin 52, and the two gears are meshed. The two pin shafts 52 are symmetrically arranged on the two sides of the rotating rod in the front-back direction, the pin shafts 52 are divided into a large shaft section and a small shaft section, the small shaft sections of the pin shafts are inserted into round holes of the sleeve rod seat 9, and the upper ends of the small shaft sections of the pin shafts are fixed by sleeve rod seat nuts 63; the large shaft sections of the two pins are sleeved with a wheel-opposite deflector rod 35 and a wheel-opposite lower plate 37, the wheel-opposite lower plate 37 is diamond-shaped in appearance, two symmetrical large round holes are formed in the wheel-opposite lower plate, and the two large round holes are sleeved on the large shaft sections of the pins 52; the two wheel-setting levers 35 are the same in shape and are in the shape of a sector gear, the other end of the sector gear is a cylindrical rod, the sector gear is provided with a cylindrical hole, the cylindrical hole is sleeved on the large shaft sections of the two pin shafts respectively, the wheel-setting levers 35 are arranged between the wheel-setting lower plate 37 and the gears on the rotating rod 22, the two sector gears are meshed with each other, and the cylindrical rods of the two wheel-setting levers 35 are inserted into ratchet seats 47 on the two sides respectively and are positioned above the pawls 39; a ratchet wheel 43 is sleeved on the middle shaft 28 in the ratchet seat, the ratchet wheel 43 is fixed on the middle shaft 28 by a pin 41, a ratchet shaft 40 is arranged above the ratchet wheel 43, a pawl 39 is sleeved on the ratchet shaft 40, the pawl 39 can rotate around the ratchet shaft 40, ratchets are arranged on two sides of the lower end of the pawl 39, and the ratchets can clamp teeth of the ratchet wheel 43 to limit the rotation direction of the ratchet wheel 43; the pawl 39 is provided with coil springs 46 on both sides, one end of the coil spring 46 is fixed on the ratchet seat 47, the coil spring 46 is propped against the side surface of the pawl 39, and the pawl 39 is kept in a middle balance position only considering the acting force of the two coil springs, namely the pawl 39 is disconnected from the ratchet wheel 43. The central shaft 28 is positioned on the frame body 4 by a nut 32 and a spring retainer ring, and can only rotate on the frame body 4. The two sides of the middle shaft 28 are provided with a baffle sleeve 33 and a chain wheel 6, and the chain wheel 6 is connected on the middle shaft 28 by a key 42 to form key connection. The transition shaft 2 on the frame body 4 is empty sleeved with two duplex chain wheels 31, each half shaft 30 is connected with one chain wheel 6 in a key way, the chain wheels 6 are connected with chains 5, 4 groups of symmetrical chain transmission are shared, two groups of the chain transmission are the duplex chain wheels 31 and the chain transmission of the chain wheels 6 on the middle shaft 28, and the other two groups of the chain transmission are the duplex chain wheels 31 and the chain transmission of the chain wheels 6 on the half shafts 30.
Fig. 1 to 6 and 8 show the structural composition of the lock mechanism and the connection and positional relationship of the components. The locking mechanism consists of a locking handle 11, a locking screw 10, a locking frame 24, a locking brake lever 25, a locking pin shaft 26, an oil discharging lever, a locking spring 54, a brake lever head 55, a locking positioning pin 56 and a positioning groove 57; the upper portion of the oil cylinder 27 is provided with a locking frame 24, the locking frame 24 and the oil cylinder 27 are integrated, the locking frame 24 is in a rectangular frame shape, a pressure release rod 53 is arranged in the rectangular frame shape, the lower portion of the pressure release rod 53 is a cylindrical rod which stretches into the oil cylinder 27 and is a switch for the oil cylinder 27 to work, and the pressure release rod 53 can move up and down to have two positions: upper and lower positions; when the pressure release rod 53 is pressed downwards to the bottom in the lower position, the oil cylinder works normally, and the oil cylinder driving rod 29 moves up and down to drive the oil cylinder rod 14 to extend out; the pressure release lever 53 is lifted upward in the upper position, and the cylinder drive lever 29 is deactivated. The middle lower part of the unloading rod 53 is provided with a cuboid, a long round groove is arranged in the cuboid, a brake rod head 55 for locking the end part of the brake rod 25 is arranged in the long round groove, and the brake rod head 55 can slide in the long round groove; the upper part of the pressure relief rod is a cylindrical rod, a threaded hole is formed in the upper end of the cylindrical rod, a locking handle 11 is sleeved outside the cylindrical rod, a counter bore is formed in the locking handle 11, a locking screw 10 is arranged in the counter bore, and the locking screw 10 is screwed into the threaded hole of the pressure relief rod to be connected with the pressure relief rod 53; the lower end of the locking handle 11 is a cylindrical pipe, a locking positioning pin 56 is arranged in the middle of the cylindrical pipe, the locking positioning pin 56 is in a convex cylindrical shape, the cylindrical pipe of the locking handle 11 can rotate around the unloading rod 53 and can drive the unloading rod 53 to move up and down, a semicircular positioning groove 57 is arranged at the upper end of the locking frame 24, when the unloading rod 53 is pulled to an upper position, the locking positioning pin 56 rotates 90 degrees clockwise again, and is placed in the positioning groove 57 to lock the upper position of the unloading rod 53; the locking brake lever 25 is in a long rod shape, the locking brake lever 25 is hinged on the oil cylinder 27 through a locking pin shaft 26, the locking brake lever 25 can rotate around the locking pin shaft 26, a ratchet is arranged on the oil cylinder lever 14 at the right end of the locking brake lever 25, and when the ratchet which is rotated clockwise on the locking brake lever 25 is overlapped with the ratchet on the oil cylinder lever 14, the oil cylinder lever 14 is locked and cannot stretch; thereby achieving the purpose of lifting and falling the locked travelling wheel 1, the outer side of the cylindrical tube of the locking handle 11 is sleeved with a locking spring 54, the locking spring 54 is a compression spring, the lower end of the locking spring is contacted with the upper surface of the cuboid of the pressure unloading rod 53, the upper end of the locking spring is propped against the transverse plate of the locking frame 24, and the pressure unloading rod 53 can be pressed to the lower position under the action of the locking spring 54.
Fig. 1 to 5, 7 and 9 show the structural composition of the electric mechanism and the connection and positional relationship of the components. The electric mechanism consists of a motor 58, a motor gear 59, a gear shaft 36, an eccentric gear 49, an eccentric groove 61, a groove rod 62 and an oil cylinder shaft nut 48; the motor 58 and the motor gear 59 are respectively two, the motor 58 is symmetrically arranged on a transverse plate of the oil cylinder 27, the motor gear 59 is fixedly arranged on a motor shaft, the left end of the oil cylinder 27 is provided with a gear shaft 36, the gear shaft 36 and the oil cylinder 27 are integrated, an eccentric gear 49 is sleeved on the upper space of the gear shaft 36, and the eccentric gear 49 is positioned on the gear shaft 36 by an oil cylinder shaft nut 48; the right end face of the eccentric gear 49 is provided with an eccentric groove 61, a groove rod 62 is arranged in the groove, the groove rod 62 is cylindrical and is integrated with the cylinder driving rod 29, and the groove rod 62 can move up and down when the eccentric gear 49 rotates. When the motor 58 rotates, the motor gear 59 and the eccentric gear 49 are driven to rotate, the groove rod 62 is driven to move up and down and the sleeve rod 8 is driven to swing up and down, and therefore the motor 58 rotates to replace manual driving.
In fig. 12 to 17, an operation example of the present apparatus is shown. When the device is operated, the vehicle is parked at the parallel position of the parking space and extinguished, the wheels are lifted firstly, then the vehicle is transversely translated into the parking space, the distance from the tire of the vehicle to the ground is selected, and finally the device is locked. The operation of laterally moving out the vehicle is a reverse vehicle movement; the device is divided into manual operation and electric operation, and the specific operation is classified into locking and unbinding operation, lifting and falling operation and transverse walking operation.
Manual control operation: locking and unbinding operations: the locking operation is to pull up the locking handle 11 and rotate it by 90 degrees, as shown in fig. 16 and 17, to lock the locking positioning pin 56 in the positioning groove 57, the pressure release lever 53 is pulled up, the oil cylinder 27 enters the pressure release state, the ratchet teeth on the right end of the locking gate lever 25 moves down to lock the ratchet teeth on the oil cylinder lever 14, and the oil cylinder lever 14 is in the locked state and cannot stretch. The unbinding is the reverse of the locking operation: pulling up the locking handle 22 and rotating the locking handle in the opposite direction by 90 degrees then releasing the hand, the locking handle 11 and the release lever 53 are reset downward by the action of the locking spring 54, and the ratchet teeth at the right end of the locking brake lever 25 move upward and are released from the ratchet teeth on the cylinder lever 14, as shown in fig. 1, 2 and 8.
Lifting and lowering operations: the falling operation is that the locking mechanism is in a loose binding state, the push handle 7 is pulled up and down by hand to drive the pressure rod shaft to move up and down, the oil cylinder rod 14 is pushed to extend out, the bracket 16 is driven to rotate clockwise around the bracket rotating shaft 17, and the wheel shaft 20 and the travelling wheel 1 are fallen down, as shown in fig. 1 and 2. The lifting operation is to slowly pull up the locking handle 11, the pressure release lever 53 of the locking mechanism is lifted, the oil cylinder 27 enters a pressure release state, and when the ratchet at the right end of the locking brake lever 25 is not locked with the ratchet on the oil cylinder lever 14, the wheel shaft 20 and the travelling wheel 1 are lifted under the tension of the tension spring 18 on the frame body 4, as shown in fig. 16 and 17.
Transverse walking operation: as shown in fig. 6, the locking mechanism is in a locking state, the rotating handle 7 drives the gear 51 on the rotating rod 22 to rotate, drives the gear on the pin shaft 52 to rotate, drives the opposite wheel shifting rod 35 on the pin shaft 52 to rotate, drives the other opposite wheel shifting rod 35 to rotate, and drives the two opposite wheel shifting rods 35 to rotate reversely, and drives the two opposite wheel shifting rods to simultaneously rotate clockwise or anticlockwise by the cylindrical rods on the opposite wheel shifting rods simultaneously forwards or simultaneously backwards, so that the ratchet wheel 43 is clamped by the ratchet wheel 39 and can only rotate in the same direction (as shown in fig. 10 and 15); the handle 7 is moved up and down, through the transmission, the two ratchet wheels 43 drive the center shaft 28 to rotate, the center shaft 28 drives the sprocket 6 of the rotating rod 22 to rotate, the duplex sprocket 31 is driven by the chain 5 to rotate and the sprocket 6 on the half shaft 30 to rotate, the half shaft 30 is fixedly connected with the travelling wheels 1, and finally, the two travelling wheels 1 on the half shaft 30 are driven to rotate in the same direction, so that the device is driven to move transversely.
Electric control operation: the two motors 58 are started to switch, the motor 58 drives the motor gear 59 to drive the eccentric gear 49 to rotate, the eccentric groove 61 drives the groove rod 62, the oil cylinder driving rod 29 and the pulling and pressing shaft 23 to move up and down, and the pulling and pressing shaft 23 drives the sleeve rod 8 to swing up and down around the center shaft 28, so that the motor 58 is driven to replace manual driving. In particular, the locking and unbinding operations, the lifting and lowering operations, and the steering operations of the sprockets 6 on both sides of the bottom bracket 28 are performed manually, except that electric power is used instead of human power.
FIG. 10 is an embodiment in which the cylindrical levers of the two pairs of wheel levers are rotated simultaneously to the upper position in the drawing.
Fig. 11 is an embodiment of the wheel lever in the left position of the pawl 39 in the drawing.
Fig. 12 shows an embodiment of the wheel lever in the middle of the pawl 39.
Fig. 13 is an embodiment of the wheel lever in the position to the right of the pawl 39 in the drawing.
FIG. 14 is an embodiment in which the cylindrical rods of the two pairs of wheel levers are rotated simultaneously to an intermediate position in the drawing.
FIG. 15 is an embodiment in which the cylindrical levers of the two pairs of wheel levers are rotated simultaneously to the down position in the drawing.
Fig. 16 to 17 show an example in which the traveling wheel 1 of the present device is lifted.
Claims (1)
1. A manual and electric dual-purpose wheel alignment control automobile transverse movement device comprises a frame mechanism, a total control mechanism, a lifting control mechanism, a walking control mechanism, a locking mechanism and an electric mechanism; the method is characterized in that: the frame body is a supporting frame of the device and is a symmetrical rectangular frame, and two cross beams and rectangular guard plates for protecting the oil cylinders are arranged in the middle of the frame body; six bosses are arranged at the lower end of the frame body, a transition shaft and two transition short shafts are respectively arranged on the bosses, the transition shaft is a through shaft, two transition short shafts are arranged, the lower ends of the transition shaft and the transition short shafts are connected with six lifting rods, the lower ends of the four lifting rods on the left are connected with two half shafts, the lower ends of the two lifting rods on the right are connected with wheel shafts, the half shafts are connected with the wheel shafts through connecting rods, and the outer ends of the half shafts and the wheel shafts are connected with four travelling wheels; the axle shaft can rotate around the transition shaft, and the axle shaft can rotate around the transition short shaft; thereby realizing the lifting and falling of the travelling wheel and achieving the lifting and falling of the automobile; in the general control mechanism, a handle consists of two T-shaped cylinders, the cylinder at the lower end of the handle is a circular tube, the cylinder is sleeved on a sleeve rod, the upper part of the sleeve rod is a circular tube, the lower part of the sleeve rod is a sleeve rod seat, ratchet seats are fixedly arranged at two ends of the sleeve rod seat by screws, ratchet seat outer covers and ratchet seat inner covers are fixedly connected to two sides of each ratchet seat by ratchet shafts, circular holes are formed in the ratchet seat outer covers and the ratchet seat inner covers and are in fit connection with a central shaft, the central shaft is arranged on a frame body, and the central shaft can rotate on the frame body; the upper part of the rotating rod is a cylindrical pipe, and the lower part is a cylindrical shaft; the upper part of the rotating rod is fixedly connected with the handle through a fixing pin, and the handle and the rotating rod can move up and down and rotate along the loop bar; the handle, the loop bar seat, the rotating rod and the ratchet wheel seat can swing up and down around the axis of the center shaft; the lifting control mechanism; the oil cylinder is provided with an oil cylinder support arm, an oil cylinder driving rod, a pressure relief rod and an oil cylinder rod; the oil cylinder support arm is arranged on the center shaft, and the oil cylinder can swing around the center shaft; the sleeve rod seat is provided with a sleeve rod seat support arm, the sleeve rod seat support arm is fixedly provided with a pulling and pressing shaft, the pulling and pressing shaft is arranged in a square frame of the oil cylinder driving rod, the oil cylinder driving rod can move up and down in the oil cylinder and can drive the extension of the oil cylinder rod, the right end of the oil cylinder rod is connected with an oil cylinder top shaft, two ends of the oil cylinder top shaft are respectively connected with a support, the supports are triangular plate-shaped and are connected to a support body through support rotating shafts, and the supports can rotate around the support rotating shafts; the lower end of the bracket is hinged with the connecting rod through a wheel shaft; two sleeves are symmetrically sleeved on two sides of the wheel shaft respectively, each sleeve is connected with the lower end of one tension spring, two tension springs are arranged, and the upper ends of the tension springs are connected to the frame body; the walking control mechanism is arranged in the walking control mechanism; the lower end of the rotating rod is provided with two gears on a cylindrical shaft, and one gear is fixed on the rotating rod by a connecting pin; the other gear is sleeved on the pin shaft, and the two gears are meshed; the two pin shafts are symmetrically placed on the two sides of the rotating rod in front and back, the pin shaft is divided into a large shaft section and a small shaft section, the small shaft section of the pin shaft is inserted into a round hole of the sleeve rod seat, and the upper end of the small shaft section of the pin shaft is fixed by a nut of the sleeve rod seat; the large shaft sections of the two pin shafts are sleeved with a wheel-setting deflector rod and a wheel-setting lower plate, the shape of the wheel-setting lower plate is diamond-shaped, two symmetrical large round holes are formed in the wheel-setting lower plate, and the two large round holes are sleeved on the large shaft sections of the pin shafts; the two opposite wheel shifting levers are in the same shape and are in a sector gear, the other end of each gear tooth is a cylindrical rod, the sector gear is provided with a cylindrical hole, the cylindrical holes are respectively sleeved on the large shaft sections of the two pin shafts, the opposite wheel shifting levers are arranged between gears on the lower plate of the opposite wheel and the rotating rod, the two sector gears are meshed with each other, and the cylindrical rods of the two opposite wheel shifting levers are respectively inserted into ratchet seats on the two sides and are positioned above pawls; a ratchet wheel is sleeved on a central shaft in the ratchet seat, the ratchet wheel is fixed on the central shaft by a pin, a ratchet shaft is arranged above the ratchet wheel, a pawl is sleeved on the ratchet shaft and can rotate around the ratchet shaft, ratchet teeth are arranged on two sides of the lower end of the pawl, and can clamp gear teeth of the ratchet wheel to limit the rotation direction of the ratchet wheel; the two sides of the pawl are provided with coil springs, one ends of the coil springs are fixed on the ratchet seat, the coil springs are propped against the side surface of the pawl, only the acting force of the two coil springs is considered, and the pawl is kept at a middle balance position, so that the pawl is disconnected with the ratchet wheel; the middle shaft is positioned on the frame body by a nut and a spring retainer ring and can only rotate on the frame body; the two sides of the middle shaft are provided with a baffle sleeve and a chain wheel, and the chain wheel is connected on the middle shaft by a key to form key connection; the transition shaft on the frame body is sleeved with two duplex chain wheels, each half shaft is connected with a chain wheel in a key way, the chain wheels are connected with chains, 4 groups of symmetrical chain transmission are shared, two groups of the chain transmission are the duplex chain wheels and the chain transmission of the chain wheels on the middle shaft, and the other two groups of the chain transmission are the duplex chain wheels and the chain transmission of the chain wheels on the half shaft; the locking mechanism is arranged in the locking mechanism; the upper part of the oil cylinder is provided with a locking frame which is integrated with the oil cylinder, the locking frame is in a rectangular frame shape, a pressure unloading rod is arranged in the rectangular frame shape, the lower part of the pressure unloading rod is a cylindrical rod which stretches into the oil cylinder and is a switch for the oil cylinder to work, and the pressure unloading rod can move up and down to have two positions: upper and lower positions; when the pressure release rod is pressed downwards to the bottom in the lower position, the oil cylinder normally works, and the oil cylinder driving rod moves up and down to drive the oil cylinder rod to extend out; when the hydraulic cylinder is in the upper position, the pressure release rod is lifted upwards, and the oil cylinder driving rod is disabled; the middle lower part of the unloading rod is provided with a cuboid, a long circular groove is arranged in the cuboid, a cylindrical pin for locking the end part of the brake rod is arranged in the long circular groove, and the cylindrical pin can slide in the long circular groove; the upper part of the pressure unloading rod is a cylindrical rod, a threaded hole is formed in the upper end of the cylindrical rod, a locking handle is sleeved outside the cylindrical rod, a hand-held handle is arranged at the upper end of the locking handle, a counter bore is formed in the hand-held handle, a locking screw is arranged in the counter bore, and the locking screw is screwed into the threaded hole of the pressure unloading rod to be connected with the pressure unloading rod; the lower end of the locking handle is a cylindrical pipe, a locking positioning pin is arranged in the middle of the cylindrical pipe, the locking positioning pin is in a convex cylindrical shape, the cylindrical pipe of the locking handle can rotate around the unloading rod and can drive the unloading rod to move up and down, a semicircular positioning groove is formed in the upper end of the locking frame, the locking brake rod is in a long rod shape and is hinged on the oil cylinder through a locking pin shaft, the locking brake rod can rotate around the locking pin shaft, a ratchet is arranged on the oil cylinder rod at the right end of the locking brake rod, and the ratchet can be meshed with the ratchet on the oil cylinder rod; the outer side of the cylindrical tube of the locking handle is sleeved with a locking spring, the locking spring is a compression spring, the lower end of the locking spring is contacted with the upper surface of the cuboid of the pressure relief rod, the upper end of the locking spring is propped against the transverse plate of the locking frame, and the pressure relief rod can be pressed to the lower position under the action of the locking spring; in the electric mechanism, two motors and two motor gears are respectively, the motors are symmetrically arranged on a transverse plate of an oil cylinder, the motor shaft is fixedly provided with the motor gears, the left end of the oil cylinder is provided with a gear shaft, the gear shaft and the oil cylinder are integrated, an eccentric gear is sleeved on the gear shaft, and the eccentric gear is positioned on the gear shaft by a nut; the right end face of the eccentric gear is provided with an eccentric groove, a groove rod is arranged in the groove, the groove rod is cylindrical and is integrated with the oil cylinder driving rod, and the groove rod can move up and down when the eccentric gear rotates; lifting and lowering operations: the falling operation is that the locking mechanism is in a loose binding state, the pressing rod shaft is driven to move up and down by pulling the handle up and down by hand, the oil cylinder rod is pushed to extend out, the bracket is driven to rotate clockwise around the bracket rotating shaft, and the wheel shaft and the travelling wheel are fallen; the lifting operation is to slowly pull up the locking handle, the pressure release rod of the locking mechanism is lifted, the oil cylinder enters a pressure release state, and when the ratchet at the right end of the locking brake rod is not locked with the ratchet on the oil cylinder rod, the wheel shaft and the travelling wheel are lifted under the tension of the tension spring on the frame body; transverse walking operation: the locking mechanism is in a locking state, the rotating handle drives the gear on the rotating rod to rotate, the gear on the pin shaft is driven to rotate, the wheel alignment shifting rod on the pin shaft is driven to rotate, the other wheel alignment shifting rod is driven to rotate, the two wheel alignment shifting rods turn oppositely, the cylindrical rods on the two wheel alignment shifting rods simultaneously rotate forwards or backwards simultaneously, the pawls on the two sides are shifted to rotate clockwise or anticlockwise simultaneously, and the ratchet wheel is blocked by the pawls and can only rotate in the same direction; the handle is moved up and down, through the transmission, the two ratchet wheels drive the center shaft to rotate, the center shaft drives the sprocket of the rotating rod to rotate, the duplex sprocket is driven by the chain to rotate and the sprocket on the half shaft to rotate, the half shaft is fixedly connected with the travelling wheel, and finally, the two travelling wheels on the half shaft rotate in the same direction to drive the device to move transversely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910534664.9A CN110182183B (en) | 2019-06-20 | 2019-06-20 | Manual and electric dual-purpose wheel alignment control automobile transverse movement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910534664.9A CN110182183B (en) | 2019-06-20 | 2019-06-20 | Manual and electric dual-purpose wheel alignment control automobile transverse movement device |
Publications (2)
| Publication Number | Publication Date |
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| CN110182183A CN110182183A (en) | 2019-08-30 |
| CN110182183B true CN110182183B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910534664.9A Active CN110182183B (en) | 2019-06-20 | 2019-06-20 | Manual and electric dual-purpose wheel alignment control automobile transverse movement device |
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Citations (7)
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|---|---|---|---|---|
| GB560078A (en) * | 1941-09-11 | 1944-03-20 | Hubert Jezler | Jacking and manoeuvring means for motor cars |
| FR2841517A1 (en) * | 2002-06-28 | 2004-01-02 | Gheorghe Trasca | Integral equipment for raising a vehicle and moving it laterally to facilitate parking, comprises hydraulically operated motorised wheel units and electrical suspension locking operated by driver |
| CN101342897A (en) * | 2008-08-21 | 2009-01-14 | 苏州大方特种车辆有限公司 | Drive device of automobile |
| CN102756719A (en) * | 2012-08-01 | 2012-10-31 | 孙世梁 | In-site self-rotating steering device for automobile |
| CN207889690U (en) * | 2018-02-13 | 2018-09-21 | 侯添一 | Parking assist apparatus and vehicle |
| CN110091839A (en) * | 2019-04-20 | 2019-08-06 | 广州华立科技职业学院 | Lateral moving device for automobile is controlled to wheel manually |
| CN110091840A (en) * | 2019-05-23 | 2019-08-06 | 广州华立科技职业学院 | Manual omnidirectional movement controls automobile mobile device to wheel |
-
2019
- 2019-06-20 CN CN201910534664.9A patent/CN110182183B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB560078A (en) * | 1941-09-11 | 1944-03-20 | Hubert Jezler | Jacking and manoeuvring means for motor cars |
| FR2841517A1 (en) * | 2002-06-28 | 2004-01-02 | Gheorghe Trasca | Integral equipment for raising a vehicle and moving it laterally to facilitate parking, comprises hydraulically operated motorised wheel units and electrical suspension locking operated by driver |
| CN101342897A (en) * | 2008-08-21 | 2009-01-14 | 苏州大方特种车辆有限公司 | Drive device of automobile |
| CN102756719A (en) * | 2012-08-01 | 2012-10-31 | 孙世梁 | In-site self-rotating steering device for automobile |
| CN207889690U (en) * | 2018-02-13 | 2018-09-21 | 侯添一 | Parking assist apparatus and vehicle |
| CN110091839A (en) * | 2019-04-20 | 2019-08-06 | 广州华立科技职业学院 | Lateral moving device for automobile is controlled to wheel manually |
| CN110091840A (en) * | 2019-05-23 | 2019-08-06 | 广州华立科技职业学院 | Manual omnidirectional movement controls automobile mobile device to wheel |
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| Publication number | Publication date |
|---|---|
| CN110182183A (en) | 2019-08-30 |
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