CN112623052A

CN112623052A - Suspension and lock bolt unlocking control cable automatic controller for truck cab lifting system

Info

Publication number: CN112623052A
Application number: CN201910947810.0A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2021-04-09
Anticipated expiration: 2039-10-08
Also published as: CN112623052B

Abstract

The suspension and lock bolt unlocking control cable automatic controller of the truck cab lifting system is characterized in that an electric cylinder lifting chain plate (7) and the hinged end of an electric cylinder upper base (8) are in contact with a cab (9), suspension control is realized in such a way that an unlocking spring fixing frame (2) is separated from a suspension limiting plate (28) and is not in contact with the suspension limiting plate, the elastic force of a sliding block pressure spring (13) pushes a sliding block (12) to move rightwards to a suspension closing position, and the sliding block (12) limits the rotation of the chain plate (7); the lock bolt unlocking control is that the elastic force of the unlocking spring (3) pushes the unlocking spring limiting rod (4) to go upward for a certain distance, the unlocking spring limiting rod (4) pushes the long control inhaul cable steel wire B end (5) to go upward, the long control inhaul cable steel wire A end (22) overcomes the torsional force of the unlocking hook torsion spring (18) to pull the unlocking hook (17) to be in contact with the unlocking hook limiting column (34), the unlocking hook limiting column (34) stops the elastic force of the unlocking spring (3) to push the unlocking spring limiting rod (4) to go upward, and the lock bolt is unlocked.

Description

Suspension and lock bolt unlocking control cable automatic controller for truck cab lifting system

Technical Field

The invention relates to an automatic control device for suspension and lock bolt unlocking, in particular to an automatic control device capable of controlling suspension and lock bolt unlocking of a truck cab lifting system.

Background

At present, the well-known lock bolt unlocking control of a truck cab lifting system is a hydraulic oil cylinder unlocking device which is composed of an electric pump, a control valve, an oil pipe, an oil cylinder, a wire harness and the like, and the lock bolt unlocking of the truck cab is realized by the following steps: the electric pump is connected with the automobile storage battery by a wire harness, the electric pump can be controlled to work, the control valve controls high-pressure oil to enter the oil cylinder through the oil pipe, and the piston rod of the oil cylinder can do reciprocating linear motion to push the lock bolt of the cab of the truck to unlock or lock, but the lock opener has a complex structure and high manufacturing cost, and is out of work at a low temperature of 35 ℃ below zero, leaks oil and pollutes the environment;

similarly, the known suspension controller of the truck cab lifting system is a hydraulic cylinder type suspension controller and an external hook ring type suspension controller, the hydraulic cylinder type suspension controller consists of a hydraulic valve, an oil pipe, an oil cylinder and the like, and the suspension control of the truck cab lifting system is realized by: the hydraulic valve controls an oil way in the hydraulic cylinder through the oil pipe, so that a piston rod of the hydraulic cylinder has a free moving stroke required by a suspension stroke, and suspension control is realized; the external hook ring type suspension controller consists of a chain plate, a hook ring, a limiting body and the like; the suspension control of the truck cab lifting system is realized by the following steps: two ends of each chain plate are respectively hinged with the cab and the lifting cylinder, the other end of the lifting cylinder is hinged with the frame, the cab is hinged with the frame to form a four-bar mechanism to realize a suspension function, and when the cab is lifted to a certain angle, the hook ring hooks the limiting body to realize suspension control; however, the hydraulic cylinder type suspension controller has a complex structure, high manufacturing cost, large resistance, failure in operation at low temperature of 35 ℃ below zero, oil leakage and environmental pollution, and the external hook ring type suspension controller cannot realize the large-angle overturning function of the cab.

Disclosure of Invention

The invention provides a suspension and lock bolt unlocking control cable automatic controller for a truck cab lifting system, which aims to reduce environmental pollution, save energy, reduce manufacturing cost, reduce weight, increase the turnover angle of a cab and normally work at a low temperature below minus 35 ℃. The automatic controller for controlling the stay cable by suspending and unlocking the lock bolt of the truck cab lifting system has the advantages of compact structure, simplicity, energy conservation, no environmental pollution, capability of realizing the large-angle overturning function of the cab, normal operation at low temperature below 35 ℃ below zero and long service life.

The technical scheme adopted by the invention for solving the technical problem is as follows: the vehicle is shown in figure 1 in a static state, a lower base (1) of an electric cylinder is hinged with a truck frame, a cab (9) is hinged with the truck frame, a lock bolt body (20) is fixedly connected with a truck shock absorption frame, an unlocking spring fixing frame (2) is fixedly connected with a lower outer cover of the electric cylinder, an unlocking spring (3) is arranged in a cylindrical cavity of the unlocking spring fixing frame (2), a rod part of an unlocking spring limiting rod (4) is arranged in an inner circle of the unlocking spring (3), the head part of the unlocking spring limiting rod (4) is pressed at the upper end of the unlocking spring (3), the head part of the unlocking spring limiting rod (4) is connected with a B end (5) of a long control inhaul cable steel wire, a limiting block (6) is fixedly connected with an upper base (8) of the electric cylinder, a middle hole of a chain plate (7) is hinged with the cab (9), a right side hole of the chain plate (7) is hinged with the upper base (8) of, a guide cylinder (10) is fixedly connected with a cab (9), a slide block (12) is in sliding fit with the guide cylinder (10), the A end (11) of a short control cable steel wire is connected with the slide block (12), a slide block pressure spring (13) is arranged in a cavity of the guide cylinder (10), two ends of the slide block pressure spring (13) are respectively connected with the left end of the cavity of the guide cylinder (10) and the slide block (12), a locking hook torsion spring (14) is hinged with a lock bolt body (20), two ends of the locking hook torsion spring (14) are respectively connected with the lock bolt body (20) and a locking hook (15), the locking hook (15) is hinged with the lock bolt body (20), the locking hook (15) is contacted with a lock shaft (16) of the cab, the lock shaft (16) of the cab is fixedly connected with the cab (9), an unlocking hook (17) is hinged with the lock bolt body (20), the unlocking torsion spring (18) is hinged with the lock bolt body (20), and two ends of the unlocking hook torsion spring (18) are respectively connected with the lock bolt body (20) and the lock, two ends of a long control inhaul cable (19) are respectively fixedly connected with a lock bolt body (20) and an unlocking spring fixing frame (2), a long control inhaul cable steel wire guide wheel (21) is hinged with the lock bolt body (20), an A end (22) of a long control inhaul cable steel wire is connected with an unlocking hook (17), a B end (23) of a short control inhaul cable steel wire is connected with a pulling plate (25), an upper cover (24) of a square steel pipe body is fixedly connected with a limiting block (6), an upper cover (24) of the square steel pipe body is fixedly connected with the square steel pipe body (27), the pulling plate (25) is fixedly connected with a limiting column (26), the pulling plate (25) is fixedly connected with a long guide column (31), the square steel pipe body (27) is fixedly connected with a lower cover (32) of the square steel pipe body, the square steel pipe body (27) is fixedly connected with a pin shaft (30), the pin shaft (30) is hinged with a short control inhaul cable reversing wheel (29), and the lower cover (32), the long guide post (31) is fixedly connected with a suspension limiting plate (28), an unlocking hook limiting post (34) is fixedly connected with a lock bolt body (20), a locking hook limiting post (35) is fixedly connected with the lock bolt body (20), two ends of a short control cable (36) are respectively fixedly connected with a guide cylinder (10) and a square steel tube body upper cover (24), a cab (9) is lifted until an electric cylinder of the cab is lifted to a lock bolt unlocking position in a static state, the electric cylinder is lifted until a chain plate (7) is in contact with a hinged end of a base (8) on the electric cylinder and a cab (9), a limiting block (6) ascends for a certain distance along with an upper base (8) of the electric cylinder, the elastic force of an unlocking spring (3) pushes an unlocking spring limiting rod (4) to ascend for a certain distance, the unlocking spring limiting rod (4) pushes a long control cable steel wire B end (5) to ascend for a certain distance, and the long control cable steel wire is guided by a long control steel wire guide wheel, the A end (22) of the steel wire of the long control inhaul cable overcomes the torsional force of the unlocking hook torsional spring (18), the unlocking hook (17) is pulled to rotate by taking the hinged position of the unlocking hook (17) and the lock bolt body (20) as a circle center until the unlocking hook (17) is contacted with the unlocking hook limiting column (34), the unlocking hook limiting column (34) stops the elasticity of the unlocking spring (3) to push the unlocking spring limiting rod (4) to move upwards, and the lock bolt is unlocked at the moment; similarly, the elasticity of a slide block pressure spring (13) pushes a slide block (12) to move rightwards for a certain distance, the slide block (12) pulls an A end (11) of a short control inhaul cable steel wire to move rightwards for a certain distance, the short control inhaul cable steel wire is reversed by a short control inhaul cable steel wire reversing wheel (29), so that a B end (23) of the short control inhaul cable steel wire pulls a pull plate (25) to move downwards for a certain distance, at the moment, a suspension limit plate (28) is always contacted with an unlocking spring fixing frame (2), an electric cylinder is continuously lifted until the suspension is closed, as shown in figure 3, a cab (9) rotates for a certain angle by taking the hinged position of the cab (9) and a truck frame as a circle center, the elasticity of the slide block pressure spring (13) pushes the slide block (12) to move rightwards for a certain distance to a suspension closing position, at the moment, a limit column (26, the locking hook (15) rotates by the torsional force of the locking hook torsional spring (14) with the hinged position of the locking hook (15) and the lock bolt body (20) as the center of a circle until the locking hook (15) contacts with the locking hook limiting column (35), the suspension limiting plate (28) does not contact with the unlocking spring fixing frame (2), the electric cylinder is continuously lifted to the upper dead point as shown in figure 4, the cab (9) rotates by the maximum angle with the hinged position of the cab (9) and the truck frame as the center of a circle, the center of mass of the cab (9) moves due to the rotation of the cab (9), the electric cylinder is converted from the lifting force in the front into the pulling force, the suspension limiting pin (33) contacts with the sliding block (12), a small gap is reserved between the hinged position of the right hole of the chain plate (7) and the upper base (8) of the electric cylinder and the cab (9), the cab (9) descends, the descending force of the electric cylinder pulls the chain plate (7) through the hinged position of the right hole of the chain plate (7, because the suspension limit pin (33) is contacted with the sliding block (12), the chain plate (7) can not rotate, the chain plate (7) pulls the cab (9) to rotate downwards by taking the hinged part of the cab (9) and the truck frame as the center of circle, when the center of mass of the cab (9) moves to the electric cylinder to be not pulled, the descending state is as a pattern shown in figure 3, and when the cab descends to the position shown in figure 3 and continues to descend to the position shown in figure 2, the suspension limit plate (28) is contacted with the unlocking spring fixing frame (2), because the limit block (6) is fixedly connected with the upper base (8) of the electric cylinder, the limit block (6) is fixedly connected with the upper cover (24) of the square steel tube body, the upper cover (24) of the square steel tube body (27) is fixedly connected, when the upper base (8) of the electric cylinder descends, the unlocking spring fixing frame (2) has a reaction force on the suspension limit plate (28), and the reaction force drives the short control steel wire B end (23) to ascend through the long guide post (31) and, during the process that a sliding block (12) is pulled by an A end (11) of a steel wire of a short control cable to overcome the elasticity of a sliding block compression spring (13) to move leftwards to a position shown in a figure 2, the sliding block is suspended to be opened, meanwhile, a cab lock shaft (16) overcomes the torsional force of a locking hook torsion spring (14) to press a locking hook (15) to the position shown in the figure 2, an electric cylinder continuously descends to the position shown in the figure 1, the sliding block (12) overcomes the elasticity of the sliding block compression spring (13) to be pulled to the position shown in the figure 1, during the period, when a limiting block (6) is contacted with an unlocking spring limiting rod (4) and continuously descends along with a base (8) on the electric cylinder, the unlocking spring limiting rod (4) compresses an unlocking spring (3), the torsional force of the unlocking hook torsion spring (18) enables the unlocking hook (17) to rotate to the position shown in the figure 1 by taking the hinged position of the unlocking hook (17) and a lock bolt body (20) as a circle center, and simultaneously, the unlocking hook, the descending work of the electric cylinder is finished, the suspension principle of the vehicle in the running state is shown in figure 5, when the vehicle in the running state is suspended, the cab (9) rotates downwards by a certain angle by taking the hinged part of the cab (9) and the truck frame as a circle center, the hinged part of a middle hole of a chain plate (7) and the cab (9) also rotates downwards by a certain angle by taking the hinged part of the cab (9) and the truck frame as a circle center, the chain plate (7) rotates automatically by taking the hinged part of the middle hole of the chain plate (7) and the cab (9) as a circle center, the hinged part of the right side hole of the chain plate (7) and the upper base (8) of the electric cylinder is contacted with the cab (9), the electric cylinder swings leftwards by a certain angle by taking the hinged part of the lower base (1) of the electric cylinder and the truck frame as a circle center, the fixed connection part of a pressing lock bolt body (20) of a lock shaft (16), when the vehicle is in an upper suspension state during running, the cab (9) rotates upwards by a certain angle by taking the hinged position of the cab (9) and the truck frame as the circle center, the hinged position of a middle hole of a chain plate (7) and the cab (9) also rotates upwards by a certain angle by taking the hinged position of the cab (9) and the truck frame as the circle center, the hinged position of the middle hole of the chain plate (7) and the cab (9) as the circle center self-rotation, the fixed connection position of the left hole of the chain plate (7) and a suspension limiting pin (33) is contacted with the cab (9), an electric cylinder swings rightwards by a certain angle by taking the hinged position of a lower base (1) of the electric cylinder and the truck frame as the circle center, and a cab lock shaft (16) moves upwards by a certain distance from the fixed connection position of a lock bolt body (20) and the truck shock absorption frame through a lock hook (15) and.

The invention has the beneficial effects that: the tilting type cab has the advantages of complete functions, compact structure, low manufacturing cost, energy conservation, no pollution and long service life, particularly has large overturning angle of the cab (9), normally works at low temperature below minus 35 ℃, and can be used for tilting type cabs (9) of various trucks.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of a stationary state of the vehicle.

Fig. 2 is a schematic diagram of the cab with the electric cylinder lifted to the bolt unlocking position when the vehicle is at rest.

Fig. 3 is a schematic diagram of the cab when the electric cylinder is lifted to the suspension closed state in the static state of the vehicle.

Fig. 4 is a schematic view of the electric cylinder of the cab lifted to the top dead center in the stationary state of the vehicle.

Fig. 5 is a schematic view of the levitation in the running state of the vehicle.

Fig. 6 is a schematic view of suspension in a traveling state of the vehicle.

The main parts in the figure are as follows: the device comprises an electric cylinder lower base (1), an unlocking spring fixing frame (2), an unlocking spring (3), an unlocking spring limiting rod (4), a long control cable steel wire B end (5), a limiting block (6), a chain plate (7), an electric cylinder upper base (8), a cab (9), a guide cylinder (10), a short control cable steel wire A end (11), a sliding block (12), a sliding block pressure spring (13), a locking hook torsion spring (14), a locking hook (15), a cab locking shaft (16), an unlocking hook (17), an unlocking hook torsion spring (18), a long control cable (19), a lock bolt body (20), a long control cable steel wire guide wheel (21), a long control cable steel wire A end (22), a short control cable steel wire B end (23), a square steel pipe body upper cover (24), a pulling plate (25), a limiting column (26), a square steel pipe body (27) and a suspension limiting plate (28), the short control inhaul cable comprises a steel wire reversing wheel (29) of a short control inhaul cable, a pin shaft (30), a long guide pillar (31), a lower cover (32) of a square steel tube body, a suspension limiting pin (33), an unlocking hook limiting column (34), a locking hook limiting column (35) and a short control inhaul cable (36).

Detailed Description

In figure 1, a lower base (1) of an electric cylinder is hinged with a truck frame, a cab (9) is hinged with the truck frame, a lock bolt body (20) is fixedly connected with a truck shock absorption frame, an unlocking spring fixing frame (2) is fixedly connected with a lower outer cover of the electric cylinder, an unlocking spring (3) is arranged in a cylindrical cavity of the unlocking spring fixing frame (2), a rod part of an unlocking spring limiting rod (4) is arranged in an inner circle of the unlocking spring (3), the head part of the unlocking spring limiting rod (4) is pressed at the upper end of the unlocking spring (3), the head part of the unlocking spring limiting rod (4) is connected with a B end (5) of a long control inhaul cable steel wire, a limiting block (6) is fixedly connected with an upper base (8) of the electric cylinder, a middle hole of a chain plate (7) is hinged with the cab (9), a right side hole of the chain plate (7) is hinged with the upper base (8) of the electric cylinder, a left, a guide cylinder (10) is fixedly connected with a cab (9), a slide block (12) is in sliding fit with the guide cylinder (10), the A end (11) of a short control cable steel wire is connected with the slide block (12), a slide block pressure spring (13) is arranged in a cavity of the guide cylinder (10), two ends of the slide block pressure spring (13) are respectively connected with the left end of the cavity of the guide cylinder (10) and the slide block (12), a locking hook torsion spring (14) is hinged with a lock bolt body (20), two ends of the locking hook torsion spring (14) are respectively connected with the lock bolt body (20) and a locking hook (15), the locking hook (15) is hinged with the lock bolt body (20), the locking hook (15) is contacted with a lock shaft (16) of the cab, the lock shaft (16) of the cab is fixedly connected with the cab (9), an unlocking hook (17) is hinged with the lock bolt body (20), the unlocking torsion spring (18) is hinged with the lock bolt body (20), and two ends of the unlocking hook torsion spring (18) are respectively connected with the lock bolt body (20) and the lock, two ends of a long control inhaul cable (19) are respectively fixedly connected with a lock bolt body (20) and an unlocking spring fixing frame (2), a long control inhaul cable steel wire guide wheel (21) is hinged with the lock bolt body (20), an A end (22) of a long control inhaul cable steel wire is connected with an unlocking hook (17), a B end (23) of a short control inhaul cable steel wire is connected with a pulling plate (25), an upper cover (24) of a square steel pipe body is fixedly connected with a limiting block (6), an upper cover (24) of the square steel pipe body is fixedly connected with the square steel pipe body (27), the pulling plate (25) is fixedly connected with a limiting column (26), the pulling plate (25) is fixedly connected with a long guide column (31), the square steel pipe body (27) is fixedly connected with a lower cover (32) of the square steel pipe body, the square steel pipe body (27) is fixedly connected with a pin shaft (30), the pin shaft (30) is hinged with a short control inhaul cable reversing wheel (29), and the lower cover (32), the long guide post (31) is fixedly connected with the suspension limiting plate (28), the unlocking hook limiting post (34) is fixedly connected with the lock bolt body (20), the locking hook limiting post (35) is fixedly connected with the lock bolt body (20), and two ends of the short control inhaul cable (36) are respectively fixedly connected with the guide cylinder (10) and the square steel pipe body upper cover (24).

FIG. 2 is a schematic diagram of the situation when the electric cylinder of the cab is lifted to the unlocking position of the lock bolt in the static state of the vehicle, the electric cylinder is lifted to the state that the chain plate (7) is in contact with the hinged end of the upper base (8) of the electric cylinder and the cab (9), the limiting block (6) moves upwards for a certain distance along with the upper base (8) of the electric cylinder, the elastic force of the unlocking spring (3) pushes the limiting rod (4) of the unlocking spring to move upwards for a certain distance, the limiting rod (4) of the unlocking spring pushes the B end (5) of the long control cable steel wire to move upwards for a certain distance, the A end (22) of the long control cable steel wire overcomes the torsional force of the torsional spring (18) of the unlocking hook to pull the unlocking hook (17) to rotate by taking the hinged position of the unlocking hook (17) and the lock bolt body (20) as a circle center until the unlocking hook (17) is in contact with the limiting column (34, at the moment, the lock bolt is unlocked; in a similar way, the elasticity of the slider pressure spring (13) pushes the slider (12) to move rightwards for a certain distance, the slider (12) pulls the end A (11) of the short control inhaul cable steel wire to move rightwards for a certain distance, the end B (23) of the short control inhaul cable steel wire pulls the pull plate (25) to move downwards for a certain distance, and the suspension limiting plate (28) is always in contact with the unlocking spring fixing frame (2).

Fig. 3 is a schematic diagram of a state that a cab is lifted by an electric cylinder to be suspended and closed in a static state, the electric cylinder is lifted to a state that the cab (9) rotates by a certain angle by taking a hinged position of the cab (9) and a truck frame as a circle center, the elastic force of a slider pressure spring (13) pushes a slider (12) to move rightwards by a certain distance to be suspended and closed, at the moment, a limiting column (26) is in contact with a lower cover (32) of a square steel tube body to stop the elastic force of the slider pressure spring (13) from pushing the slider (12) to move rightwards, a locking hook (15) rotates by the torsional force of a locking hook torsional spring (14) by taking the hinged position of the locking hook (15) and a lock bolt body (20) as a circle center until the locking hook (15) is in contact with a locking hook limiting column (35), and a suspended limiting.

Fig. 4 is a schematic diagram of the state of the vehicle when the electric cylinder of the cab is lifted to the top dead center, the electric cylinder is lifted to the cab (9) and rotates by the maximum angle by taking the hinged position of the cab (9) and the truck frame as the center of a circle, the center of mass of the cab (9) moves due to the rotation of the cab (9), the electric cylinder is converted from the lifting force in the front into the pulling force, the suspension limit pin (33) is in contact with the sliding block (12), and a small gap is reserved between the hinged position of the right hole of the chain plate (7) and the upper base (8) of the electric cylinder and the cab (9).

Fig. 5 is a suspension schematic diagram of a vehicle in a driving state, when the vehicle is in a suspension state during driving, a cab (9) rotates downwards by a certain angle by taking a joint of the cab (9) and a truck frame as a circle center, a joint of a middle hole of a chain plate (7) and the cab (9) also rotates downwards by a certain angle by taking a joint of the cab (9) and the truck frame as a circle center, the chain plate (7) rotates automatically by taking a joint of the middle hole of the chain plate (7) and the cab (9) as a circle center, a joint of a right side hole of the chain plate (7) and an upper base (8) of an electric cylinder contacts with the cab (9), the electric cylinder swings leftwards by a certain angle by taking a joint of a lower base (1) of the electric cylinder and the truck frame as a circle center, and a fixed joint of a pressing lock body (20) of a lock shaft (16) of the cab.

Fig. 6 is a schematic diagram of the upper suspension principle of a vehicle in a driving state, when the vehicle is in the upper suspension state during driving, a cab (9) rotates upwards by a certain angle by taking a hinged position of the cab (9) and a truck frame as a circle center, a hinged position of a middle hole of a chain plate (7) and the cab (9) also rotates upwards by a certain angle by taking a hinged position of the cab (9) and the truck frame as a circle center, the chain plate (7) rotates automatically by taking the hinged position of the middle hole of the chain plate (7) and the cab (9) as a circle center, a fixed connection position of a left hole of the chain plate (7) and a suspension limit pin (33) is in contact with the cab (9), an electric cylinder swings rightwards by a certain angle by taking a hinged position of a lower base (1) of the electric cylinder and the truck frame as a circle center, and a fixed connection position of a lock body (20) and a truck shock absorption frame is pulled by a lock shaft (16.

The invention provides a suspension and lock bolt unlocking control cable automatic controller of a truck cab lifting system, wherein suspension automatic control is that the automatic controller is lifted or descended through an electric cylinder, an automatic control chain plate (7) rotates by taking the hinged part of the chain plate (7) and a cab (9) as a circle center, when the electric cylinder lifts, the hinged part of the chain plate (7) and an upper base (8) of the electric cylinder is contacted with the cab (9), lifting force is transmitted through the contact part, an unlocking spring fixing frame (2) is separated from the suspension limiting plate (28) and is not contacted, the elasticity of a sliding block pressure spring (13) pushes a sliding block (12) to move rightwards to a suspension closing position, the sliding block (12) limits the chain plate (7) to rotate by taking the hinged part of the chain plate (7) and the cab (9) as the circle center until the cab (9) is lifted to a required position, when the electric cylinder descends, a suspension limiting pin (33) is contacted with the, a small clearance is reserved between the hinged position of the right hole of the chain plate (7) and the upper base (8) of the electric cylinder and the cab (9), the lower pulling force is transmitted to the cab (9) through the hinged position of the chain plate (7) and the cab (9), when the cab (9) descends to a certain position, the unlocking spring fixing frame (2) is contacted with the suspension limiting plate (28) and continues to descend, the unlocking spring fixing frame (2) pushes the long guide post (31) to ascend, the long guide post (31) overcomes the elastic force of the slide block pressure spring (13) through the short control inhaul cable steel wire, the slide block (12) is pulled to move leftwards to a required position, when the suspension is in an attached figure state, when the vehicle can run, the cab (9) can rotate clockwise or anticlockwise by a certain angle by taking the hinged position of the cab (9) and a truck frame as a circle center, the function of suspension or suspension on the cab (9) is realized, and the lock bolt unlocking, the electric cylinder lifts to a chain plate (7) and contacts a cab (9) through the hinged end of a base (8) on the electric cylinder, a limit block (6) moves upwards for a certain distance along with the base (8) on the electric cylinder, the elasticity of an unlocking spring (3) pushes an unlocking spring limit rod (4) to move upwards for a certain distance, the unlocking spring limit rod (4) pushes a long control cable steel wire B end (5) to move upwards for a certain distance, the long control cable steel wire A end (22) overcomes the torsional force of an unlocking hook torsion spring (18) to pull the unlocking hook (17) to rotate to the unlocking hook (17) and contact an unlocking hook limit column (34) by taking the hinged position of the unlocking hook (17) and a lock bolt body (20) as a circle center, the unlocking hook limit column (34) stops the elasticity of the unlocking spring (3) to push the unlocking spring limit rod (4) to move upwards, the lock bolt is unlocked at the moment, and locking can be locked if the electric.

The invention only uses an electric cylinder to lift or descend, and transmits power through a short control cable (36), a long control cable (19), an unlocking spring (3), a slide block pressure spring (13), a locking hook torsion spring (14), an unlocking hook torsion spring (18), a limiting block (6), a slide block (12), a long guide post (31), a suspension limiting plate (28), an unlocking spring fixing frame (2), an unlocking spring limiting rod (4), a locking hook (15), an unlocking hook (17).

Claims

1. A suspension and lock bolt unlocking control cable automatic controller of a truck cab lifting system is characterized in that a lower base (1) of an electric cylinder is hinged with a truck frame, a cab (9) is hinged with the truck frame, a lock bolt body (20) is fixedly connected with a truck shock absorption frame, an unlocking spring fixing frame (2) is fixedly connected with a lower outer cover of the electric cylinder, an unlocking spring (3) is arranged in a cylindrical cavity of the unlocking spring fixing frame (2), a rod part of an unlocking spring limiting rod (4) is arranged in an inner circle of the unlocking spring (3), the head part of the unlocking spring limiting rod (4) is pressed at the upper end of the unlocking spring (3), the head part of the unlocking spring limiting rod (4) is connected with a B end (5) of a long control cable steel wire, a limiting block (6) is fixedly connected with an upper base (8) of the electric cylinder, a middle hole of a chain plate (7) is hinged with the cab (9), and a right side hole of the chain, the left hole of a chain plate (7) is fixedly connected with a suspension limiting pin (33), a guide cylinder (10) is fixedly connected with a cab (9), a slide block (12) is in sliding fit with the guide cylinder (10), the A end (11) of a short control cable steel wire is connected with the slide block (12), a slide block pressure spring (13) is arranged in a cavity of the guide cylinder (10), two ends of the slide block pressure spring (13) are respectively connected with the left end of the cavity of the guide cylinder (10) and the slide block (12), a locking hook torsion spring (14) is hinged with a lock bolt body (20), two ends of the locking hook torsion spring (14) are respectively connected with the lock bolt body (20) and a locking hook (15), the locking hook (15) is hinged with the lock bolt body (20), the locking hook (15) is contacted with a cab lock shaft (16), the cab lock shaft (16) is fixedly connected with the cab (9), an unlocking hook (17) is hinged with the lock bolt body (20), and an unlocking hook torsion spring (18) is hinged with the lock bolt body (20), the two ends of an unlocking hook torsion spring (18) are respectively connected with a lock bolt body (20) and an unlocking hook (17), the two ends of a long control cable (19) are respectively fixedly connected with the lock bolt body (20) and an unlocking spring fixing frame (2), a long control cable steel wire guide wheel (21) is hinged with the lock bolt body (20), an A end (22) of the long control cable steel wire is connected with the unlocking hook (17), a B end (23) of the short control cable steel wire is connected with a pulling plate (25), an upper square steel tube body cover (24) is fixedly connected with a limiting block (6), the upper square steel tube body cover (24) is fixedly connected with a square steel tube body (27), the pulling plate (25) is fixedly connected with a limiting column (26), the pulling plate (25) is fixedly connected with a long guide column (31), the square steel tube body (27) is fixedly connected with a lower square steel tube body cover (32), the square steel tube body (27) is fixedly connected with a pin shaft (30), and the pin shaft (30) is hinged with a short control steel wire reversing wheel (, square steel body lower cover (32) and long guide pillar (31) sliding fit, long guide pillar (31) and suspension limiting plate (28) fixed connection, unblank and collude spacing post (34) and set bar body (20) fixed connection, the shutting colludes spacing post (35) and set bar body (20) fixed connection, short control cable (36) both ends respectively with guide cylinder (10) and square steel body upper cover (24) fixed connection, characterized by: power is transmitted by a long control cable (19) and a short control cable (36).

2. The truck cab lifting system suspension and lock bolt unlocking control cable automatic controller as claimed in claim 1, characterized in that: the automatic control device is characterized in that a short control cable (36), a movable sliding block (12), a sliding block pressure spring (13), a limiting block (6), an unlocking spring fixing frame (2), a pulling plate (25), a limiting column (26), a short control cable steel wire reversing wheel (29), a long guide column (31) and a suspension limiting plate (28) are used for lifting or descending along with an electric cylinder, and whether an automatic control chain plate (7) can rotate by taking the hinged position of the chain plate (7) and a cab (9) as a circle center or not is controlled automatically.

3. The truck cab lifting system suspension and lock bolt unlocking control cable automatic controller as claimed in claim 1, characterized in that: a long control inhaul cable (19), a limiting block (6), an unlocking spring limiting rod (4), an unlocking spring (3), an unlocking spring fixing frame (2) and an unlocking hook (17) automatically control the lock bolt to unlock and lock along with the lifting or descending of the electric cylinder.