CN111942339A

CN111942339A - Device for preventing vehicle from being flooded

Info

Publication number: CN111942339A
Application number: CN202010855218.0A
Authority: CN
Inventors: 门立山; 鞠浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2020-11-17

Abstract

A device for preventing a vehicle from being flooded is characterized in that a multistage plunger sleeve cylinder with a downward extending direction is fixed at four positions on front, rear, left and right girders of a vehicle chassis, and the working media recommended by the multistage plunger sleeve cylinder are air, water and hydraulic oil. Two sections of the 'angle' -shaped grooves are exposed on the circumference of the plunger at the junction of the stages, and the plunger between the stages is limited by a limiting clamp with an inner edge having the 'angle' -shaped bulge through manual operation. The air pump or the hydraulic pump controls the rising of the four multi-stage plunger sleeve cylinders through the air delivery pipe or the hydraulic pipe and the three-way valve, and the falling is realized through the outlet throttle valve of the multi-stage plunger sleeve cylinders. The invention has the advantages of simple equipment, convenient operation, feasible technology and reliable work.

Description

Device for preventing vehicle from being flooded

Technical Field

The invention relates to a device for preventing vehicles from being flooded, belonging to an accessory of transportation machinery.

Background

When watching a news picture when a certain part is submerged, some pictures are submerged, and the number of pictures is more in the year. When it is a heavy rain, most people are prepared, such as parking a car in a small area, parking in a parking lot, and parking at a high place. People are only worried about the possibility of generating excessive rainwater, but cannot lift the vehicle, so that the user cannot feel stranded. Even, the eyes of the user are open in the dormitory of the community to see that the user is drowned when the user stops downstairs. Although the technology proposes to prevent the vehicle from being submerged, for example, a buoyancy air bag is added under the vehicle to pull the vehicle up, the problem that the air bag punctures and drifts is not solved. 201521119583.6 comprises slide rail and windlass, and the lifting structure is complex and not easy to implement. The power is operated through a manual oil pump, inconvenience is brought, and in addition, the hydraulic oil pump and the oil tank which are stored are arranged on the vehicle all the year round, so that the vehicle weight is increased, and the fire hazard is also increased. The prevention of the vehicle from being flooded is expected, and a reasonable, convenient and reliable device for preventing the vehicle from being flooded is needed to be designed.

Disclosure of Invention

The invention aims to provide a device for preventing a vehicle from being flooded, and the technical scheme is more reasonable, convenient and reliable.

The technical scheme adopted by the invention for solving the technical problems is as follows: a device for preventing a vehicle from being flooded is characterized in that a multistage plunger sleeve cylinder is arranged at each of four positions on front, rear, left and right girders of a vehicle chassis, the extension direction of the multistage plunger sleeve cylinder is vertically downward, two thick steel plates are welded on the outer surface of the multistage plunger sleeve cylinder in parallel in the horizontal plane direction of the outer surface of the multistage plunger sleeve cylinder, the distance between the two thick steel plates is the vertical height of the girder of the chassis, the two thick steel plates are clamped above and below the girder of the chassis, round holes are formed in the two thick steel plates and are locked by screws in a penetrating mode, and the outer surface of the multistage plunger sleeve cylinder is fixed on the girder of the chassis. The multistage plunger sleeve cylinder comprises an outer cylinder barrel and a multistage plunger sleeve, wherein the outer cylinder barrel is provided with a working medium inlet provided with a throttling valve and a working medium outlet provided with another throttling valve; the working medium is a working substance for lifting the multistage plunger sleeve cylinder, and the recommended working medium is air, water and hydraulic oil; the multi-stage plunger type piston is arranged in the multi-stage plunger type sleeve cylinder, a plurality of annular grooves for mounting piston rings and Y-shaped sealing rings are formed in the outer edge of the piston, the cross section of each Y-shaped sealing ring is in a Y shape pointing to the circle center, the inner ring of each Y-shaped sealing ring is embedded into the groove of the piston, the upper end of the Y shape of the outer ring of each Y-shaped sealing ring is filled with a porous oil-containing lubricating material, and the upper opening of the Y shape of each Y-shaped sealing ring points to the cylinder wall; when the multistage plunger sleeve is extended to be close to the longest, two sections of 'angle' shaped grooves are exposed on the plunger circumference at the junction of stages, the two sections of 'angle' shaped grooves are opposite, and the radian of each section of groove is pi/6 to pi/4; two semicircular metal rings are connected in a shaft manner like handcuffs to form a limiting clamp, the sectional area of the metal ring limiting clamp is rectangular, the inner edge of the metal ring limiting clamp is provided with a protrusion in the shape of an angle, and the size and the length of the protrusion in the shape of the angle are just equal to those of a groove in the shape of the angle which is placed on the circumference of the plunger; the top end of the final stage of the multistage plunger sleeve cylinder is provided with a rectangular metal plate, and the metal plate is provided with 4 holes. A universal wheel and a one-way wheel can be connected below the rectangular metal plate at the top end of the last-stage plunger; a fixed nut or a screw rod can be arranged above the outer cylinder barrel of the multi-stage plunger sleeve and is used for being connected to a rectangular metal plate at the top end of the last-stage plunger of another multi-stage plunger sleeve in series; the lower part of the rectangular metal plate at the top ends of the 4 last-stage plungers can be fixedly placed on a flat car with two coaxial wheels and four wheels, and at least one conveyor belt with proper length is used for connecting a driving wheel of the car with one wheel of the flat car to form a belt to transmit power; the invention also comprises an air pump or a hydraulic pump, an air pipe or a hydraulic pipe and three-way valves, wherein the air pump is connected with the air pipe or the hydraulic pipe connected with the hydraulic pipe and is connected with working medium inlets of the four multi-stage plunger sleeve cylinders through the three-way valves; the number of stages of the multi-stage plunger sleeve is 1-4 stages; the rated power of the air pump or the hydraulic pump is smaller than the rated power of the generator of the vehicle. The vehicles of the invention refer to cars, vans, SUVs, MPVs, limousines, minivans, coaches and the like. The principle of the invention is as follows: the multistage plunger sleeve cylinder is always arranged on a girder of a vehicle chassis, the installation position can be easily found on the vehicle, taking a Honda Fengshan car as an example, an engine and a water tank of the car are connected by an exposed girder on the front side of the car, the exposed length of the girder is about 15 cm, and more than enough is arranged for the multistage plunger sleeve cylinder; a round metal container for accommodating spare tires is arranged in the middle of a chassis crossbeam on the rear side of the vehicle, and the position (the bottom of a trunk is provided with a hole) for installing a multi-stage plunger sleeve is easy to find at the position close to the crossbeam outside the edge of the round metal container. Regarding the allowable height of the multistage plunger sleeve cylinder, the distance between the front ground baffle plate of the Honda Fengmen car and the front cover of the machine is measured to be 60 cm, the distance between the front ground baffle plate of the Honda Fengmen car and the front cover of the machine can be measured to be 90 cm, the distance is approximately 1.5 meters by using the 60 cm three-stage plunger sleeve cylinder, the height is reduced by 30 cm from the ground, and the vehicle is approximately raised by 1.2 meters. By adding the waterproof height of 0.5 m of the vehicle, the flood with the height of 1.7 m (one person is high) can be prevented, and most of the water soaking vehicles cannot exceed the height; even if the water depth exceeds 1.7 m, a multi-stage plunger sleeve cylinder can be connected in series, and the theoretical lifting amount of the vehicle is doubled (3 m high, and X-shaped diagonal draw bars are added for reinforcement if necessary). With regard to the working fluid of the invention, air is pushed first because it does not take up storage space. The supporting force of each multistage plunger sleeve cylinder is estimated according to 1 ton, the sectional area of the thinnest plunger of the sleeve is estimated according to 10 square centimeters, the working medium pressure is P =1 × 1000 × 9.8/0.001P =9.8MP, the maximum output pressure of the air pump can reach 160Mpa through data checking, and the air pump meeting the requirements of the invention can be designed. In practice, the applicant bought an air pump for a sedan car with a palm size by using 28 yuan before 3 years, and the air pump is used all the time until now, a held car can be used for a long time within 10 seconds, the highest pressure limit of a pressure gauge of the pump is 1MP, the highest pressure limit meets the requirements of the car, an ordinary car only needs about 0.25 MP of air pressure, and the highest pressure limit is 1MP and is enough for the car; however, the actual operation of the air pump reaches an air pressure that may reach several MPs. The air pump is disassembled to be a piston compressor, only one nonmetallic piston ring is arranged on the piston, if the cylinder barrel (the wall thickness of the original cylinder barrel is about 2 mm) and the piston are reinforced, the number of the piston rings is increased, the sealing effect of the piston and an air inlet and outlet is improved, the working medium pressure requirement of 9.8MP can be realized, and the cost of the air pump is not doubled. The pressure of 10MP and the wall thickness of 3 mm can be obtained by looking up the comparison table of the wall thickness and the bearing pressure of the steel pipe. In order to keep the rust-proof lubrication of the air pump, the design that the upper end of the Y shape is filled with a porous oil-containing lubricating material, and the outer ring direction of the Y-shaped sealing ring points to the cylinder wall is adopted. When the air pump is used for inflating, the output of the air pump is divided into two paths through the first tee joint and then divided into four paths through the two tee joints, and the four paths are connected into four multi-stage plunger sleeve cylinders. In the inflation process, if the vehicle is inclined, the heights of the four plungers can be balanced by lifting up and pressing down the vehicle and adjusting the four inlet throttle valves. Certainly, the working medium of the hydraulic pump is liquid, is smaller than a gas, has small leakage, and can reach 9.8 MP. Since the invention has few opportunities to be used a year or even more than once a year, the tank for storing the liquid does not have to be heavy on board the vehicle all the time. Water is the cheapest liquid to find, and when water is used as a working medium of the hydraulic pump, the water can be used by putting the water in front of the hydraulic pump. After the use, the outlet throttle valve of the multistage plunger sleeve cylinder is opened to discharge, and if rust prevention is considered, engine oil can be injected after water discharge. Water can freeze, but flooding does not occur in winter, so the invention is not used in winter. The hydraulic oil is inflammable and easy to permeate, the use is not advocated, and the multistage plunger sleeve cylinder is only used when the hydraulic oil is only satisfied. Because the frequency of use of the multi-stage plunger sleeve cylinder is very low, the multi-stage plunger sleeve cylinder is used for several times a year or even not. Therefore, the anti-friction of the piston ring is secondary, and the sealing is primary, for example, the piston ring material of the air pump for the car is used, the number and the width of the piston ring are increased, and the like. The design of the multi-stage hydraulic cylinder is mature, for example: the design structure and strength of the hydraulic cylinder design-graduation design of the Baidu library, the design analysis of the plunger type hydraulic cylinder and the multi-stage hydraulic cylinder for agricultural machinery are discussed in detail above, and the description is not repeated. Multistage plunger sleeve stretches to near the longest, exposes two sections "< shape recess on the plunger circumference that stage and stage are bordered, and its purpose is for manual laying spacing checkpost. The wall thickness of a plunger barrel is reduced by the aid of the 'angle' shaped grooves, so that the strength of the plunger barrel is reduced, and the wall thickness of the plunger barrel can be properly increased to make up, for example: the "angle" shape groove depth = increased wall thickness of the plunger barrel. When the limiting clamp is placed, when the multi-stage plunger sleeve extends to the longest, two sections of 'angle' shaped grooves are exposed on the plunger circumference at the junction of the stages, the exposed height meets the space for placing the limiting clamp, after the limiting clamp is placed, a working medium outlet throttle valve of the multi-stage plunger sleeve is opened, a part of working medium is discharged, the multi-stage plunger sleeve is supported by the limiting clamp, and the pressure of the working medium, the piston and the piston ring is reduced, so that the service life of the invention is longer. The air pump or the hydraulic pump controls the rising of the four multi-stage plunger sleeve cylinders through the air delivery pipe or the hydraulic pipe and the three-way valve, and the falling is realized through the outlet throttle valve of the multi-stage plunger sleeve cylinders. In order to move the raised vehicle, universal wheels, one-way wheels, or even flat trolleys can be connected below the rectangular metal plate at the top end of the last-stage plunger. The pad on the top of the last plunger is more complex due to the dolly height. For example: the flat car is disassembled into a front shaft and wheels, a rear shaft and wheels and a flat support, the four plunger cylinders are lifted to a height exceeding the height of the flat car, and a support object with enough strength is padded under the car, so that the car is not supported by the four plunger cylinders. Then the extension of the four plunger cylinders is retracted, the front shaft and the wheel, the rear shaft and the wheel and the flat plate bracket are placed under the vehicle, the plungers of the four plunger cylinders are extended, and the supports are removed. And finishing the work of filling and placing the flat car. In order to make the flat car capable of being advanced by the power of the car, a belt with a proper length can be used to connect the driving wheel of the car with one of the wheels of the flat car to transmit the power by the belt, which raises the car and moves the car rarely. The rated power of the air pump or the hydraulic pump is less than the rated power of the generator of the vehicle, so as to ensure that the air pump or the hydraulic pump is not short of power. When the automobile air pump is used, the input end of the air pump or the hydraulic pump is directly connected with an automobile storage battery. In fact, the power of the air pump or hydraulic pump is not large, and an estimate is made below. Assuming that a vehicle weighing 2 tons lifts 1.5 meters for 5 minutes of operation, the required power is N = mgh/t = 2000 × 9.8 × 1.5/(5 × 60) W =98W, and approximately 450W, which is the lowest power of the vehicle generator, is sufficient for the present invention to be used.

The invention has the beneficial effects that: the device is simple, convenient to operate, feasible in technology and reliable in work, and can be directly installed on a vehicle by a manufacturer, so that the vehicle is prevented from being flooded by water.

Drawings

Fig. 1 is a schematic structural view of a multistage plunger sleeve cylinder elevating vehicle of the present invention.

Fig. 2 is a schematic view of the structure of the multi-stage plunger sleeve cylinder of the present invention.

Fig. 3 is a schematic view of a multi-stage plunger sleeve cylinder elevated vehicle of the present invention integrated with a flatbed.

Fig. 4 is a schematic view showing that an air pump or a hydraulic pump of the present invention is connected to four multistage plunger sleeve cylinders through air pipes or hydraulic pipes and three-way valves.

In the figure: 1. the device comprises a vehicle, 2, a crossbeam, 3, a multi-stage plunger sleeve cylinder, 4, a thick steel plate, 5, an outer cylinder barrel, 6, a plunger sleeve, 7, a throttle valve, 8, a working medium inlet, 9, a working medium outlet, 10, a piston, 11, a piston ring, 12, a Y-shaped sealing ring, 13, an angle-shaped groove, 14, a limiting clamp, 15, an angle-shaped bulge, 16, a metal plate, 17, a flat car, 18, a conveyor belt, 19, a driving wheel, 20, a small wheel, 21, an air pump or a hydraulic pump, 22, an air pipe or a hydraulic pipe and 23, a three-way valve.

Detailed Description

The invention is further described below with reference to the figures and examples. As shown in figure 1, the device for preventing the vehicle from being flooded comprises four positions on front, rear, left and right girders 2 of a chassis of the vehicle 1, wherein each position is provided with a multistage plunger sleeve cylinder 3, the extension direction of the multistage plunger sleeve cylinder 3 is vertical downward, two thick steel plates 4 are welded on the outer surface of the multistage plunger sleeve cylinder 3 in parallel in the horizontal plane direction of the outer surface of the multistage plunger sleeve cylinder 3, the distance between the two thick steel plates 4 is the upper and lower height of the chassis girder 2, the two thick steel plates 4 are clamped above and below the chassis girder 2, round holes are formed in the two thick steel plates 4 and are locked by penetrating through screws, and the outer surface of the multistage plunger sleeve cylinder 3 is fixed on the chassis girder 2. As shown in fig. 2, the multistage plunger sleeve cylinder 3 includes an outer cylinder tube 5 and a multistage plunger sleeve 6, and the number of stages of the plunger sleeve of fig. 2 is 2. The outer cylinder barrel 5 is provided with a working medium inlet 8 provided with a throttle valve 7 and a working medium outlet 9 provided with another throttle valve; the working medium is a working substance for lifting the multistage plunger sleeve cylinder 3, and the recommended working medium is air, water and hydraulic oil; a multi-stage plunger piston 10 is arranged in the multi-stage plunger sleeve cylinder 3, an annular groove for mounting a piston ring 11 and a Y-shaped sealing ring 12 is arranged on the outer edge of the piston 10, the inner ring section of the Y-shaped sealing ring 12 is in a Y shape pointing to the circle center, the inner ring of the Y-shaped sealing ring is embedded into the groove of the piston, the upper end of the Y-shaped outer ring of the Y-shaped sealing ring in the Y shape is filled with a porous oil-containing lubricating material, and the upper opening of the Y shape points to the sleeve cylinder wall; when the multistage plunger sleeve cylinder 3 extends to be close to the longest, two sections of 'angle' shaped grooves 13 are exposed on the plunger circumference at the boundary of the stages, the two sections of 'angle' shaped grooves 13 are opposite, and the radian of each section of groove is pi/6 to pi/4; two semicircular metal rings are connected by a shaft like handcuffs to form a limiting clamp 14, the sectional area of the metal ring limiting clamp 14 is rectangular, the inner edge of the metal ring limiting clamp is provided with a protrusion 15 in the shape of an angle, the size and the length of the protrusion 15 in the shape of the angle are just equal to those of the protrusion 13 in the shape of the angle which is placed on the circumference of the plunger and is just matched with one protrusion in use; the final end of the multi-stage plunger sleeve cylinder has a rectangular metal plate 16, and the metal plate 16 has 4 holes. And universal wheels and one-way wheels can be connected below the rectangular metal plate at the top end of the last-stage plunger. The multi-stage plunger sleeve may have a fixing nut or screw above the outer cylinder for connecting in series to a rectangular metal plate at the top end of the last stage plunger of another multi-stage plunger sleeve. Fig. 3 shows a raised vehicle on a flat car 17, under a rectangular metal plate at the top of the 4 last-stage plungers, which can be fixed on a common four-wheeled flat car 17 with two coaxial wheels, the drive wheels 19 of said vehicle being connected to one of the small wheels 20 of said flat car for belt transmission power by means of at least one conveyor belt 18 of suitable length. Fig. 4 is a schematic diagram of four multistage plunger sleeve cylinders 3 connected by an air pump or hydraulic pump 21, air pipes or hydraulic pipes 22, and three-way valves 23.

Claims

1. A device for preventing a vehicle from being flooded is characterized in that a multistage plunger sleeve cylinder is arranged at each of four positions on front, rear, left and right girders of a vehicle chassis, the extension direction of the multistage plunger sleeve cylinder is vertically downward, two thick steel plates are welded on the outer surface of the multistage plunger sleeve cylinder in parallel in the horizontal plane direction of the outer surface of the multistage plunger sleeve cylinder, the distance between the two thick steel plates is the vertical height of the girder of the chassis, the two thick steel plates are clamped above and below the girder of the chassis, round holes are formed in the two thick steel plates and are locked by screws in a penetrating manner, and the outer surface of the multistage plunger sleeve cylinder is fixed on the girder of the chassis; the multistage plunger sleeve cylinder comprises an outer cylinder barrel and a multistage plunger sleeve, wherein the outer cylinder barrel is provided with a working medium inlet provided with a throttling valve and a working medium outlet provided with another throttling valve; the working medium is a working substance for lifting the multistage plunger sleeve cylinder, and the recommended working medium is air, water and hydraulic oil; the multi-stage plunger type piston is arranged in the multi-stage plunger type sleeve cylinder, a plurality of annular grooves for mounting piston rings and Y-shaped sealing rings are formed in the outer edge of the piston, the cross section of each Y-shaped sealing ring is in a Y shape pointing to the circle center, the inner ring of each Y-shaped sealing ring is embedded into the groove of the piston, the upper end of the Y shape of the outer ring of each Y-shaped sealing ring is filled with a porous oil-containing lubricating material, and the upper opening of the Y shape of each Y-shaped sealing ring points to the cylinder wall; when the multistage plunger sleeve is extended to be close to the longest, two sections of 'angle' shaped grooves are exposed on the plunger circumference at the junction of stages, the two sections of 'angle' shaped grooves are opposite, and the radian of each section of groove is pi/6 to pi/4; two semicircular metal rings are connected in a shaft manner like handcuffs to form a limiting clamp, the sectional area of the metal ring limiting clamp is rectangular, the inner edge of the metal ring limiting clamp is provided with a protrusion in the shape of an angle, and the size and the length of the protrusion in the shape of the angle are just equal to those of a groove in the shape of the angle which is placed on the circumference of the plunger; the top end of the final stage of the multistage plunger sleeve cylinder is provided with a rectangular metal plate, and the metal plate is provided with 4 holes.

2. The device for preventing the vehicle from being flooded as claimed in claim 1, wherein: a universal wheel and a one-way wheel can be connected below the rectangular metal plate at the top end of the last-stage plunger; a fixed nut or a screw rod can be arranged above the outer cylinder barrel of the multi-stage plunger sleeve and is used for being connected to a rectangular metal plate at the top end of the last-stage plunger of another multi-stage plunger sleeve in series; the lower part of the rectangular metal plate at the top end of the 4 last-stage plungers can be fixedly placed on a flat car with two coaxial wheels and four wheels, and at least one conveyor belt with proper length is used for connecting a driving wheel of the car with one wheel of the flat car to form a belt to transmit power.

3. The device for preventing the vehicle from being flooded as claimed in claim 1, wherein: the device comprises an air pump or a hydraulic pump, an air pipe or a hydraulic pipe and three-way valves, wherein the air pump is connected with the air pipe or the hydraulic pipe connected with the hydraulic pipe is connected with working medium inlets of four multi-stage plunger sleeve cylinders through the three-way valves; the number of stages of the multi-stage plunger sleeve is 1-4 stages; the rated power of the air pump or the hydraulic pump is smaller than the rated power of the generator of the vehicle.