CN113022719A - Electric lifting system of automobile - Google Patents
Electric lifting system of automobile Download PDFInfo
- Publication number
- CN113022719A CN113022719A CN202110506957.3A CN202110506957A CN113022719A CN 113022719 A CN113022719 A CN 113022719A CN 202110506957 A CN202110506957 A CN 202110506957A CN 113022719 A CN113022719 A CN 113022719A
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- China
- Prior art keywords
- motor
- lifter
- lock
- dust cover
- lifting system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/063—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/063—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
- B62D33/067—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable
- B62D33/07—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable characterised by the device for locking the cab in the tilted or in the driving position
- B62D33/071—Locking devices for cabins in driving position; Shock and vibration absorbing devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/063—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
- B62D33/073—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other characterised by special adaptations of vehicle control devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention provides an automobile electric lifting system applied to the technical field of automobile parts, which comprises a control box (A), a lifter (B) and a safety lock (C), wherein an automobile cab (D) is movably hinged with an automobile chassis (E), the control box (A) is arranged on an automobile chassis (E), one end of the lifter (B) is connected with the automobile chassis (E), the other end of the lifter (B) is connected with an automobile cab (D), the electric lifting system of the automobile is simple in structure, can completely solve the problems of a hydraulic lifting system, can ensure that the lifting control of a truck cab can be realized under any condition, effectively reduces maintenance, even realizes maintenance-free, reduces cost and meets the use requirements.
Description
Technical Field
The invention belongs to the technical field of automobile parts, and particularly relates to an electric lifting system of an automobile.
Background
At present, a hydraulic lifting system is used for a truck, and the hydraulic lifting system has the following defects: the first defect is that the rubber leather cup is pushed by hydraulic oil to transmit power inside the hydraulic oil cylinder, and the rubber is aged after long-term use, so that the hydraulic oil is extruded out, and the outside of the hydraulic oil cylinder is full of clay; the inside of the oil cylinder is lack of oil, and power cannot be fully output; oil supplement is often required, and the cost is increased. And in cold areas, due to the fact that the viscosity of hydraulic oil is increased and the hydraulic oil is not easy to flow at low temperature, power of an oil hydraulic cylinder cannot be output, a cab cannot be lifted, and the use of a truck is affected.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects of the prior art, the automobile electric lifting system is simple in structure, completely solves the problems of a hydraulic lifting system, can ensure that the lifting control of a truck cab can be realized under any condition, effectively reduces maintenance, even realizes maintenance-free, reduces the cost, and meets the use requirements of trucks.
To solve the technical problems, the invention adopts the technical scheme that:
the invention relates to an automobile electric lifting system which comprises a control box, a lifter and a safety lock, wherein an automobile cab is movably hinged with an automobile chassis, the control box is installed on the automobile chassis, one end of the lifter is connected with the automobile chassis, the other end of the lifter is connected with the automobile cab, and the safety lock is installed on the automobile chassis.
The lifter include base, lower base on set up the lifter motor, the drive shaft and the external gear of lifter motor are connected, external gear and I meshing of gear, gear I and II meshing of gear, gear II and III meshing of gear, gear III passes through eccentric shaft with the planet wheel and is connected, the planet wheel passes through transmission steel column and coupling joint, the coupling is connected with the lead screw lower extreme, twist dress T type nut on the lead screw, square pipe fixed connection is outside at T type nut, square pipe upper end be connected with last base, square pipe sets up to the structure that can clamp in the dust cover.
The safety lock include the lock body, set up the locked groove of concave yield on the lock body, through I swing joint spring bolt of connecting pin on the lock body, suit spring I on the connecting pin I, I one end top of spring is leaned on the lock body, I other end top of spring is leaned on the spring bolt, connecting pin II on the lock body combines with the swing joint lock dish, the spring bolt is C font structure, the lock dish is the triangle-shaped structure, spring bolt one end is supported and is leaned on a corner of lock dish, another corner of lock dish is connected with acting as go-between, the control box motor of acting as go-between and control box is.
The control box structure of the automobile electric lifting system comprises a box body, wherein the box body comprises a middle barrel body, an upper sealing cover and a lower sealing cover, the upper surface of the lower sealing cover is provided with an installation groove which is the same as the horizontal cross section of the middle barrel body in shape and size, the lower part of the middle barrel body is clamped in the installation groove, a fastening screw which can extend into a screw hole in the lower part of the middle barrel body is screwed in a screw hole in the side surface of the lower sealing cover, a sealing gasket is arranged on the lower part of the upper sealing cover, and the horizontal cross section of the sealing gasket is arranged to.
The lifter further comprises a speed reducing mechanism, the speed reducing mechanism comprises an eccentric shaft, an inner gear and a planet gear, a gear III is fixedly connected with the eccentric shaft, teeth of a combined part of the eccentric shaft and the planet gear are meshed with teeth of the inner gear, one end of each transmission steel column is clamped in one positioning hole in the coupler, and the other end of each transmission steel column is clamped in a corresponding positioning hole in the planet gear.
The relay of the control box is arranged on the main board, the motor of the control box is connected with the main board, and the main board is connected with the control component.
The dust cover of lift include dust cover I and dust cover II, the reduction gears and the lift motor of lead screw lower part are sheltered from to dust cover I, square pipe is sheltered from to dust cover II, I lower part of dust cover is connected with lower base, dust cover II is connected with last base, II lower parts of dust cover are connected with I upper portion suit of dust cover.
II inner walls of the dust cover of the lifter are provided with limit switch supports, the limit switch supports are mounted on bosses of the coupling pressing plates, the lower ends of the fastening bolts are rotatably mounted on the coupling pressing plates, the screw rods are located on the coupling pressing plates, and the upper ends of the fastening bolts are connected with the upper pressing plates and are guide plates for guiding. The upper portion of the limit switch support is provided with an upper limit switch, the lower portion of the limit switch support is provided with a lower limit switch, a travel limit block is installed on the T-shaped nut, and the travel limit block moves up and down to touch the upper limit switch and the lower limit switch to control the lifting process.
The lifter motor of lifter with can control the lifter motor and open and stop and rotate the direction, the control unit that the rotational speed was adjusted is connected, when control unit control lifter motor rotated to a direction, the drive power that the lifter motor produced sets up to transmitting the lead screw, the lead screw rotates, drive T type nut rebound, drive base rebound through square pipe, when control unit control lifter motor rotated to another direction, the drive power that the lifter motor produced sets up to transmitting the lead screw, the lead screw rotates, drive T type nut rebound, drive base rebound through square pipe.
When the T-shaped nut of the lifter moves upwards and drives the upper base to move upwards through the square pipe, when the stroke limiting block contacts with the upper limit switch, the control part is set to be a structure capable of controlling the motor to stop rotating, when the T-shaped nut moves downwards and drives the upper base to move downwards through the square pipe, and when the stroke limiting block contacts with the lower limit switch, the control part is set to be a structure capable of controlling the motor of the lifter to stop rotating.
By adopting the technical scheme of the invention, the following beneficial effects can be obtained:
the invention relates to an automobile electric lifting system, which comprises a control box, a lifter and a safety lock. The hydraulic lifting system of the truck cab in the prior art can be effectively replaced. When a truck needs to lift a cab, a control switch is turned on in the truck, a control component on a control box is turned on through the control switch, a 'lifting' switch is operated, a motor in the control box is started to control the safety lock to act, a pull wire of the safety lock is pulled to open the safety lock, the control box obtains a lifting signal when the safety lock is completely opened, the lift is controlled to work upwards, the cab is stably lifted, and the lift stops working when the lift reaches a top dead center. When the cab needs to descend, the control part on the control box is opened through the control switch, the descending switch is operated, the safety lock starts to act again, the pull wire of the cab lock is loosened, then the lifter starts to fall down to the cab and presses in the lock groove, the lock tongue is reliably locked, the cab is locked, and the cab is automatically stopped when the cab reaches the bottom dead center. In the process of ascending and descending, the ascending and descending actions can be stopped at any time according to needs. Above-mentioned structure effectively solves the drawback of the hydraulic pressure structure among the prior art, improves reliability and safety in utilization. The automobile electric lifting system is simple in structure, completely solves the problems of a hydraulic lifting system, can ensure that the lifting control of a truck cab can be realized under any condition, effectively reduces maintenance, even realizes maintenance-free, reduces cost and meets the use requirements of trucks.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic structural diagram of an electric lifting system for a vehicle according to the present invention;
FIG. 2 is a schematic structural diagram of a lifter of an electric lifting system of an automobile according to the present invention;
FIG. 3 is a schematic diagram of a safety lock of the electric lifting system of the vehicle according to the present invention;
FIG. 4 is a schematic structural diagram of a control box of the electric lifting system of the vehicle according to the present invention;
in the drawings, the reference numbers are respectively: A. a control box; B. a lifter; C. a safety lock; D. an automobile cab; E. an automotive chassis; F. a pull wire; G. and a control component.
Detailed Description
The following detailed description of the embodiments of the present invention, such as the shapes and structures of the components, the mutual positions and connection relations among the components, the functions and operation principles of the components, will be made by referring to the accompanying drawings and the description of the embodiments:
as shown in the attached figure 1, the invention relates to an automobile electric lifting system which comprises a control box A, a lifter B and a safety lock C, wherein an automobile cab D is movably hinged with an automobile chassis E, the control box A is arranged on the automobile chassis E, one end of the lifter B is connected with the automobile chassis E, the other end of the lifter B is connected with the automobile cab D, and the safety lock C is arranged on the automobile chassis E. The structure comprises a control box, a lifter and a safety lock. The hydraulic lifting system of the truck cab in the prior art can be effectively replaced. When a truck needs to lift a cab, a control switch is turned on in the truck, a control component on a control box is turned on through the control switch, a 'lifting' switch is operated, a motor in the control box is started to control the safety lock to act, a pull wire of the safety lock is pulled to open the safety lock, the control box obtains a lifting signal when the safety lock is completely opened, the lift is controlled to work upwards, the cab is stably lifted, and the lift stops working when the lift reaches a top dead center. When the cab needs to descend, the control part on the control box is opened through the control switch, the descending switch is operated, the safety lock starts to act again, the pull wire of the cab lock is loosened, then the lifter starts to fall down to the cab and presses in the lock groove, the lock tongue is reliably locked, the cab is locked, and the cab is automatically stopped when the cab reaches the bottom dead center. In the process of ascending and descending, the ascending and descending actions can be stopped at any time according to needs. Above-mentioned structure effectively solves the drawback of the hydraulic pressure structure among the prior art, improves reliability and safety in utilization. The automobile electric lifting system provided by the invention has the advantages of simple structure, low cost and long service life, completely solves the problems of a hydraulic lifting system, can ensure that the lifting control of a truck cab can be realized under any condition, effectively reduces maintenance, even realizes maintenance-free, reduces the cost and meets the use requirements of trucks.
As shown in attached figures 2a-2c, the lifter B comprises an upper base 1-1 and a lower base 1-2, the lower base 1-2 is provided with a lifter motor 1-3, a driving shaft of the lifter motor 1-3 is connected with an external gear 1-4, the external gear 1-4 is meshed with a gear I1-5, the gear I1-5 is meshed with a gear II 1-6, the gear II 1-6 is meshed with a gear III 1-7, the gear III 1-7 is connected with a planetary gear 1-8, the planetary gear 1-8 is connected with a coupling 1-10 through a transmission steel column 1-9, the coupling 1-10 is connected with the lower end of a screw rod 1-11, a T-shaped nut 1-12 is screwed on the screw rod 1-11, a square tube 1-13 is fixedly connected outside the T-shaped nut 1-12, the upper end of the square tube 1-13 is fixedly provided with an upper base 1-1, and the square tube 1-13 is provided with a structure which can be clamped in the dust cover 1-30.
Above-mentioned structure, when the signal that the control unit sent was received to the lift motor and when carrying out work, the moment of torsion of lift motor passes through the outside transmission of external gear, pass through gear I in proper order, gear II, gear III, realize that the power transmission of preliminary speed reduction is for the eccentric shaft, pass through the reduction gears including internal gear, planet wheel again, realize slowing down once more, power after the speed reduction, through the transmission steel column, the shaft coupling transmits the lead screw for, because fastening bolt's restriction, the lead screw drives T type nut and does the up-and-down motion when rotating, T type nut can not rotate. The lifter motor rotates towards one direction, the T-shaped nut moves upwards, the square tube drives the upper base to move upwards, the lifter is extended, the lifter motor rotates towards the other direction, the T-shaped nut moves downwards, the square tube drives the upper base to move downwards, and the lifter is retracted. The upper base is connected with the automobile cab, the lower base is connected with the automobile chassis, the lifting requirement of the automobile cab is met, the lifting operation cannot be influenced due to the change of the external environment and the long-term use of internal parts of the lifter, and normal lifting control is achieved under any condition.
In fig. 2c, the lower ends of the fastening bolts 1-33 are rotatably mounted on the coupling pressing plates 1-28, and the screw rods 1-11 are seated on the coupling pressing plates 1-28. The upper ends of the fastening bolts 1 to 33 are connected with the upper pressure plates 1 to 34.
As shown in the attached figure 3, the safety lock comprises a lock body 2-1, a concave lock groove 2-2 is formed in the lock body 2-1, a bolt 2-4 is movably connected to the lock body 2-1 through a connecting pin I2-3, a spring I2-5 is sleeved on the connecting pin I2-3, one end of the spring I2-5 abuts against the lock body 2-1, the other end of the spring I2-5 abuts against the bolt 2-4, the lock body 2-1 is movably connected with a lock disc 2-9 through a connecting pin II 2-8, the bolt 2-4 is of a C-shaped structure, the lock disc 2-9 is of a triangular structure, one end of the bolt 2-4 abuts against one corner of the lock disc 2-9, the other corner of the lock disc 2-9 is connected with a pull wire F, and the pull wire F is connected with a control box motor 3-2 of a control box A.
Above-mentioned structure through the rotation of control box motor, can control the take-up and loosen of acting as go-between to make the locking plate take place to rotate. When the control box motor rotates towards one direction, the control motor can tension the pull wire, so that the lock disc 2-9 is pulled to rotate towards one direction relative to the lock body 2-1. At the moment, the lock disc 2-9 can be separated from the lock tongue 2-4, the lock tongue 2-4 can rotate towards one direction relative to the lock body 2-1 under the action of the spring I2-5, and the lock tongue overturns towards the outer side, so that the lock groove 2-2 is in an open state. At the moment, the lifter extends out to drive the cab to lift, and the positioning rod of the cab leaves the lock groove, so that the cab can be lifted. And after the lifter contracts to drive the cab to return, the positioning rod of the cab reaches the lock groove again, the control box motor rotates towards the other direction, the control box motor can release the pull wire, and the lock disc 2-9 rotates towards the other direction relative to the lock body 2-1 under the action of the spring II 2-13. The lock disc 2-9 can be contacted with the bolt 2-4, the bolt 2-4 can rotate towards the other direction relative to the lock body 2-1 under the action of the lock disc 2-9, and the bolt turns towards the inner side, so that the lock groove 2-2 is in a closed state structure. At this moment, the spring bolt can effectively block the locating lever upper portion at the driver's cabin, and effective locking driver's cabin.
The upper part of the lock body 2-1 is provided with a sensor 2-11, the lock disc 2-9 is provided with an induction plate 2-12, the sensor 2-11 is connected with a control box body, and the control box body is connected with a lifter. According to the structure, when the stay wire is tensioned, the safety lock is opened, the sensing plates 2-12 on the lock body contact the sensor, the sensor transmits an opening signal to the control box body, and the control box body controls the lifter to extend out to drive the cab to lift. A spring II 2-13 is arranged on a connecting pin II 2-8 of the safety lock of the automobile electric lifting system, one end of the spring II 2-13 abuts against a lock disc 2-9, and the other end of the spring II 2-13 abuts against a pin 2-16 on a lock body 2-1. According to the structure, when the pull wire pulls the lock disc, the lock disc rotates towards one direction, and after the pull wire is loosened, the springs II 2-13 drive the lock disc to overturn to realize resetting. Similarly, after the force that the lock dish was exerted on the spring bolt disappeared, spring I drove the spring bolt and outwards overturns, realizes opening, exerts external force on the spring bolt again in the lock dish upset after, the spring bolt locks again.
As shown in the attached figure 4, the control box structure of the automobile electric lifting system comprises a box body 1, wherein the box body 1 comprises a middle cylinder 3-1, an upper sealing cover 3-2 and a lower sealing cover 3-3, the upper surface of the lower sealing cover 3-3 is provided with an installation groove 3-4 which has the same horizontal cross section shape and size as the middle cylinder 3-1, the lower part of the middle cylinder 3-1 is clamped in the installation groove 3-4, a fastening screw 3-5 which can extend into a screw hole at the lower part of the middle cylinder 3-1 is screwed in a screw hole at the side surface of the lower sealing cover 3-3, the lower part of the upper sealing cover 3-2 is provided with a sealing gasket 3-6, and the horizontal cross section of the sealing gasket 3-6 is provided with a structure which has the same. According to the structure, the box body 1 of the control box is fixedly connected with the automobile chassis, and the control box is controlled nearby in the running or using process of an automobile. The box body 1 comprises a middle cylinder body 3-1, an upper sealing cover 3-2 and a lower sealing cover 3-3, when internal parts are installed in the box body, a motor is installed on the upper surface of the lower sealing cover, therefore, the motor does not need to be installed in the box body, the operation is simple, the middle cylinder body 3-1, the upper sealing cover 3-2 and the lower sealing cover 3-3 are good in sealing performance after being connected, the control box which is frequently used outdoors is prevented from being penetrated by moisture and rainwater, electric elements in the control box are protected, the service life is prolonged, and the vehicle is guaranteed to be reliably controlled.
The lifter B further comprises a speed reducing mechanism 1-21, the speed reducing mechanism 1-21 comprises an eccentric shaft 1-18, an internal gear 1-19 and a planet wheel 1-8, a gear III 1-7 is fixedly connected with the eccentric shaft 1-18, teeth of a combined part of the eccentric shaft 1-18 and the planet wheel 1-8 are meshed with teeth of the internal gear 1-19, one end of each transmission steel column 1-9 is clamped in one positioning hole in the coupler 1-10, and the other end of each transmission steel column 1-9 is clamped in a corresponding positioning hole in the planet wheel 1-8. According to the structure, the speed reducing mechanism realizes the secondary speed reduction of power and meets the speed reduction requirement.
The relay 3-7 of the control box A is arranged on the main board 3-10, the control box motor 3-2 is connected with the main board 3-10, and the main board 3-10 is connected with the control component G.
The dust cover 1-30 of the lifting device B comprises a dust cover I1-23 and a dust cover II 1-24, the dust cover I1-23 shields a speed reducing mechanism 1-21 at the lower part of a screw rod 1-11 and a lifting device motor 1-3, the dust cover II 1-24 shields a square tube 1-12, the lower part of the dust cover I1-23 is connected with a lower base 1-2, the dust cover II 1-24 is connected with an upper base 1-1, and the lower part of the dust cover II 1-24 is connected with the upper part of the dust cover I1-23. According to the structure, the dust cover is used for shielding and protecting all parts of the lifter, meanwhile, the dust cover plays a reliable dust-proof and water-proof role, the T-shaped nut can only move up and down relative to the four fastening bolts 1-33, and meanwhile, the T-shaped nut is limited to rotate.
The inner wall of a dust cover II 1-24 of a dust cover 1-30 of the lifter B is provided with limit switch supports 1-22, the limit switch supports 1-22 are arranged on bosses 1-29 of coupler pressing plates 1-28, the lower ends of fastening bolts 1-33 are rotatably arranged on the coupler pressing plates 1-28, screw rods 1-11 are located on the coupler pressing plates 1-28, the upper ends of the fastening bolts 1-33 are connected with upper pressing plates 1-34, upper limit switches 1-25 are arranged on the upper portions of the limit switch supports 1-22, lower limit switches 1-27 are arranged on the lower portions of the limit switch supports 1-22, travel limit blocks 1-26 are arranged on T-shaped nuts 1-12, and the upper limit switches and the lower limit switches are touched by the up and down movement of the travel limit blocks 1-26 to control the lifting. When the T-shaped nut moves upwards to drive the upper base to move upwards through the square pipe, when the upper limit switch contacts with the stroke limit blocks 1-26, the control part is set to be a structure capable of controlling the lifting device motor to stop rotating, when the T-shaped nut moves downwards to drive the upper base to move downwards through the square pipe 13, and when the lower limit switch contacts with the stroke limit blocks 1-26, the control part is set to be a structure capable of controlling the lifting device motor to stop rotating. Therefore, when the lifting device is controlled to stretch by the motor of the lifting device, the stretching stroke is controlled by the limit switch, and the overall performance of the structure is improved.
The upper joint bearings 1-31 are arranged in the upper connecting holes 1-14 on the upper base 1-1, and the lower joint bearings 1-32 are arranged in the lower connecting holes 1-16 on the lower base 1-2.
The lifter motor 1-3 of the lifter B is connected with a control part G which can control the start and stop, the rotation direction and the rotation speed adjustment of the lifter motor 1-3, when the control part G controls the lifter motor 1-3 to rotate towards one direction, the driving force generated by the lifter motor 1-3 is set to be capable of being transmitted to the screw rod 1-11, the screw rod 1-11 rotates to drive the T-shaped nut 1-12 to move upwards, the upper base 1-1 is driven to move upwards through the square pipe 1-13, when the control part G controls the motor 1-3 of the lifting device to rotate towards the other direction, the driving force generated by the lifter motor 1-3 can be transmitted to the screw rod 1-11, the screw rod 1-11 rotates to drive the T-shaped nut 1-12 to move downwards, and the upper base 1-1 is driven to move downwards through the square tube 1-13. When the T-shaped nuts 1-12 of the lifter B move upwards to drive the upper base 1-1 to move upwards through the square tubes 1-13, when the upper limit switches 1-25 contact with the stroke limit blocks 1-26, the control part G is set to be a structure capable of controlling the motors 1-3 to stop rotating, when the T-shaped nuts 1-12 move downwards to drive the upper base 1-1 to move downwards through the square tubes 1-13, and when the lower limit switches 1-27 contact with the stroke limit blocks 1-26, the control part G is set to be a structure capable of controlling the lifter motors 1-3 to stop rotating.
The electric lifting system of the automobile effectively replaces a hydraulic lifting system of a truck cab in the prior art. When a truck needs to lift a cab, a control switch is turned on in the truck, a control component on a control box is turned on through the control switch, a 'lifting' switch is operated, a motor in the control box is started to control the safety lock to act, a pull wire of the safety lock is pulled to open the safety lock, the control box obtains a lifting signal when the safety lock is completely opened, the lift is controlled to work upwards, the cab is stably lifted, and the lift stops working when the lift reaches a top dead center. When the cab needs to descend, the control part on the control box is opened through the control switch, the descending switch is operated, the safety lock starts to act again, the pull wire of the cab lock is loosened, then the lifter starts to fall down to the cab and presses in the lock groove, the lock tongue is reliably locked, the cab is locked, and the cab is automatically stopped when the cab reaches the bottom dead center. In the process of ascending and descending, the ascending and descending actions can be stopped at any time according to needs. Above-mentioned structure effectively solves the drawback of the hydraulic pressure structure among the prior art, improves reliability and safety in utilization. The automobile electric lifting system is simple in structure, completely solves the problems of a hydraulic lifting system, can ensure that the lifting control of a truck cab can be realized under any condition, effectively reduces maintenance, even realizes maintenance-free, reduces cost and meets the use requirements.
The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, changes and equivalents of the embodiments of the invention, and its application to other applications without departing from the spirit and scope of the invention.
Claims (10)
1. An automobile electric lifting system is characterized in that: the electric lifting system of the automobile comprises a control box (A), a lifter (B) and a safety lock (C), wherein an automobile cab (D) is movably hinged with an automobile chassis (E), the control box (A) is installed on the automobile chassis (E), one end of the lifter (B) is connected with the automobile chassis (E), the other end of the lifter (B) is connected with the automobile cab (D), and the safety lock (C) is installed on the automobile chassis (E).
2. The automotive electric lifting system of claim 1, characterized in that: the lifter (B) comprises an upper base (1-1) and a lower base (1-2), a lifter motor (1-3) is arranged on the lower base (1-2), a driving shaft of the lifter motor (1-3) is connected with an external gear (1-4), the external gear (1-4) is meshed with a gear I (1-5), the gear I (1-5) is meshed with a gear II (1-6), the gear II (1-6) is meshed with a gear III (1-7), the gear III (1-7) is connected with a planet wheel (1-8) through an eccentric shaft (1-18), the planet wheel (1-8) is connected with a coupler (1-10) through a transmission steel column (1-9), and the coupler (1-10) is connected with the lower end of a screw rod (1-11), t-shaped nuts (1-12) are screwed on the screw rods (1-11), square pipes (1-13) are fixedly connected to the outer portions of the T-shaped nuts (1-12), the upper ends of the square pipes (1-13) are connected with the upper base (1-1), and the square pipes (1-13) are of a structure capable of being clamped in the dust cover (1-30).
3. The automotive electric lifting system according to claim 1 or 2, characterized in that: the safety lock comprises a lock body (2-1), a concave lock groove (2-2) is formed in the lock body (2-1), a bolt (2-4) is movably connected to the lock body (2-1) through a connecting pin I (2-3), a spring I (2-5) is sleeved on the connecting pin I (2-3), one end of the spring I (2-5) abuts against the lock body (2-1), the other end of the spring I (2-5) abuts against the bolt (2-4), a connecting pin II (2-8) on the lock body (2-1) is combined with a movably connected lock disc (2-9), the bolt (2-4) is of a C-shaped structure, the lock disc (2-9) is of a triangular structure, one end of the bolt (2-4) abuts against one corner of the lock disc (2-9), the other corner of the lock disc (2-9) is connected with a pull wire (F), and the pull wire (F) is connected with a control box motor (3-2) of the control box (A).
4. The automotive electric lifting system according to claim 1 or 2, characterized in that: the control box (A) comprises a box body (3-1), a box body motor (3-2) is arranged in the box body (3-1), a motor wheel (3-3) is installed on the box body motor (3-2), a pull wire (F) is connected with a motor wheel connecting pin (3-5) at the edge part of the motor wheel (3-3), the control box motor (3-2) is connected with a relay (3-7) through a microswitch (3-6), the relay (3-7) is connected with a control component (G), and an upper cover body (3-9) is arranged on the upper part of the box body (3-1).
5. The automotive electric lifting system of claim 2, characterized in that: the lifter (B) further comprises a speed reducing mechanism (1-21), the speed reducing mechanism (1-21) comprises an eccentric shaft (1-18), an internal gear (1-19) and a planet wheel (1-8), a gear III (1-7) is fixedly connected with the eccentric shaft (1-18), teeth of a combined part of the eccentric shaft (1-18) and the planet wheel (1-8) are meshed with teeth of the internal gear (1-19), one end of each transmission steel column (1-9) is clamped in one positioning hole in a coupler (1-10), and the other end of each transmission steel column (1-9) is clamped in a corresponding positioning hole in the planet wheel (1-8).
6. The automotive electric lifting system of claim 4, characterized in that: the relay (3-7) of the control box (A) is arranged on the main board (3-10), the control box motor (3-2) is connected with the main board (3-10), and the main board (3-10) is connected with the control component (G).
7. The automotive electric lifting system of claim 2, characterized in that: the dust cover (1-30) of the lifter (B) comprises a dust cover I (1-23) and a dust cover II (1-24), the dust cover I (1-23) shields a speed reducing mechanism (1-21) at the lower part of a screw rod (1-11) and a lifter motor (1-3), the dust cover II (1-24) shields a square pipe (1-12), the lower part of the dust cover I (1-23) is connected with a lower base (1-2), the dust cover II (1-24) is connected with an upper base (1-1), and the lower part of the dust cover II (1-24) is connected with the upper part of the dust cover I (1-23) in a sleeved mode.
8. The automotive electric lifting system of claim 7, characterized in that: the inner wall of a dust cover II (1-24) of a dust cover (1-30) of the lifter (B) is provided with a limit switch bracket (1-22), the limit switch bracket (1-22) is arranged on a boss (1-29) of a coupling pressing plate (1-28), the lower end of a fastening bolt (1-33) is rotatably arranged on the coupling pressing plate (1-28), a screw rod (1-11) is positioned on the coupling pressing plate (1-28), the upper end of the fastening bolt (1-33) is connected with an upper pressing plate (1-34), the upper part of the limit switch bracket (1-22) is provided with an upper limit switch (1-25), the lower part of the limit switch bracket (1-22) is provided with a lower limit switch (1-27), and a travel limit block (1-26) is arranged on a T-shaped nut (1-12), the up-and-down movement of the stroke limiting blocks (1-26) touches the upper and lower limiting switches to control the lifting process.
9. The automotive electric lifting system of claim 2, characterized in that: the lifting device comprises a lifting device motor (1-3) of a lifting device (B), a control part (G) which can control the starting and stopping of the lifting device motor (1-3), the rotating direction and the rotating speed regulation is connected, when the control part (G) controls the lifting device motor (1-3) to rotate towards one direction, the driving force generated by the lifting device motor (1-3) is set to be capable of being transmitted to a screw rod (1-11), the screw rod (1-11) rotates to drive a T-shaped nut (1-12) to move upwards, an upper base (1-1) is driven to move upwards through a square tube (1-13), when the control part (G) controls the lifting device motor (1-3) to rotate towards the other direction, the driving force generated by the lifting device motor (1-3) is set to be capable of being transmitted to the screw rod (1-11), and the screw rod (1-11) rotates, the T-shaped nuts (1-12) are driven to move downwards, and the upper base (1-1) is driven to move downwards through the square tubes (1-13).
10. The automotive electric lifting system of claim 9, characterized in that: when the T-shaped nut (1-12) of the lifter (B) moves upwards to drive the upper base (1-1) to move upwards through the square pipe (1-13), when the stroke limiting block (1-26) contacts with the upper limiting switch (1-25), the control part (G) is set to be a structure capable of controlling the motor (1-3) to stop rotating, when the T-shaped nut (1-12) moves downwards to drive the upper base (1-1) to move downwards through the square pipe (13), and when the stroke limiting block (1-26) contacts with the lower limiting switch (1-27), the control part (G) is set to be a structure capable of controlling the motor (1-3) of the lifter to stop rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110506957.3A CN113022719A (en) | 2021-05-10 | 2021-05-10 | Electric lifting system of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110506957.3A CN113022719A (en) | 2021-05-10 | 2021-05-10 | Electric lifting system of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113022719A true CN113022719A (en) | 2021-06-25 |
Family
ID=76455141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110506957.3A Withdrawn CN113022719A (en) | 2021-05-10 | 2021-05-10 | Electric lifting system of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113022719A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114435496A (en) * | 2022-03-17 | 2022-05-06 | 一汽解放汽车有限公司 | Lifting device and vehicle |
-
2021
- 2021-05-10 CN CN202110506957.3A patent/CN113022719A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114435496A (en) * | 2022-03-17 | 2022-05-06 | 一汽解放汽车有限公司 | Lifting device and vehicle |
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Application publication date: 20210625 |
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