WO2010090476A1 - Vehicle horizontality control device - Google Patents

Abstract

The present invention relates to a vehicle horizontality control device designed to suppress the phenomena of vibration and steering pull in vehicles and so provide the driver with a comfortable ride while the vehicle is moving, which is constituted so as to allow oil to flow smoothly between a plurality of shock absorbers and so provide a comfortable ride and a high degree of stable vehicle manoeuvrability. The present invention comprises: a plurality of shock absorbers in which oil is housed; oil ducting which effects a connection such that oil flows through, entering and exiting at the lower parts of the shock absorbers; a hydraulic pump connected to the oil ducting such that the oil flows smoothly between the plurality of shock absorbers connected to the oil ducting; and a control unit which is connected through electrical wiring to the shock absorbers and the hydraulic pump, and which adjusts the flow of oil between the plurality of shock absorbers.

Description

Vehicle level control

The present invention relates to a horizontal control device for a vehicle, and more particularly, is installed between the vehicle body and the wheel axle in which the wheel is installed to provide a comfortable ride to the driver by suppressing vibration and tilting of the vehicle, which may occur during driving of the vehicle. In addition, the present invention relates to a horizontal control apparatus for a vehicle capable of securing adjustment stability of the vehicle.

In order to prevent the vehicle from flowing rapidly according to the road surface condition when driving a vehicle, use a suspension- (a device that absorbs the shock so that the impact of the road surface is not transmitted to the vehicle body or the occupant). It is common to use.

The suspension is composed of a shock absorber, a spring, a suspension arm and is connected to the axle where the axle and the wheel of the vehicle are installed.

For example, the vehicle is a body of the vehicle according to the center of gravity of the vehicle, such as squats generated when the vehicle starts in a stationary state and a nose dive phenomenon in which the front descends and the rear floats according to the degree of braking. When the vehicle body is shaken in this way, through the above-mentioned suspension (suspension) to ensure the stability of the adjustment of the vehicle and to ensure the safety of the vehicle adjustment of the user.

In addition, problems such as bouncing that can occur when an automobile passes an irregular road surface and pitching in which the body of the vehicle rises with time difference and vibrates in the reverse direction in the reverse direction when passing through small bumps, etc. In order to improve the above-mentioned suspension (suspension) is to be used in combination between the axle of the vehicle.

However, such a conventional shock absorber may impair the stability of adjustment of the vehicle when trying to improve the ride comfort of the vehicle when driving on the road surface. There is a problem that a driver's riding comfort is impaired, and a separate device for smoothing the flow of oil contained in the cylinder is not provided, and each cylinder coupled to the axle of the vehicle is individually provided according to the oil contained therein. By adjusting the up and down action of the piston rod, the road surface is inclined or the slope is inclined or curved road, each cylinder is organically operated, there is a problem that it is difficult to secure the ride comfort and adjustment stability of the vehicle at the same time.

In addition, in the conventional shock absorber, the amount of oil contained in the cylinder does not change, and the piston rod flows up and down according to the flow of oil by adjusting the rod or the main valve organically coupled with the piston rod, Not only is it difficult to control smooth flow easily, but also it is difficult to secure the ride comfort and adjustment stability of the vehicle simultaneously by adjusting the rod or the main valve to increase or decrease the fluidity of oil. There was a problem.

The present invention is devised to solve the above-described problems, the vehicle horizontal control device that can be made up and down action of the piston rod organically coupled to each cylinder in accordance with the road surface state of the road when driving the vehicle It provides a vehicle horizontal control unit that can provide a comfortable ride comfort and high vehicle steering stability to the driver.

In addition, another object of the present invention is configured to facilitate the flow of the oil contained in each cylinder even with a simple coupling structure, and more smoothly adjust the amount of oil contained in each cylinder through the control unit and the hydraulic pump Therefore, it is possible to provide a vehicle horizontal control device that can safely and efficiently secure a high ride comfort and vehicle adjustment stability, to prevent the risk of failure that can be caused by a complex internal coupling structure in advance.

In order to achieve the above object, the present invention provides a plurality of shock absorbers in which oil is accommodated, a flow pipe connected to penetrate the oil through the lower portion of the shock absorber, and a plurality of shock absorbers connected to the flow pipe. The vehicle body and wheels are installed in a configuration including a hydraulic pump connected to the flow pipe and a control unit connected to the shock absorber and the hydraulic pump to control oil flow between a plurality of shock absorbers so as to be smoothly performed. Installed between the axles can adjust the horizontal state of the vehicle.

At this time, the shock absorber is a cylindrical cylinder formed to accommodate the flow path through which the flow pipe is coupled to the oil flowing in and out through the flow pipe, and according to the amount of oil accommodated in the cylinder The piston rod coupled to the inside of the cylinder to be flowed up and down, and the oil contained in the cylinder prevents the flow out of the outside and the up and down flow of the piston rod is smoothly made of the cylinder and the piston rod It may be configured to include a coupling tube installed to surround the coupling portion, and a coil spring coupled to the upper portion of the piston rod to reduce the impact of the road surface to the vehicle body.

In addition, the piston rod may be provided with a flow sensor, and when the cylinder is in close contact with the flow sensor may be configured with a plurality of sensing sensors for detecting the amount of oil received inside the cylinder and delivers to the controller.

In addition, a screw thread is further formed on an outer side of the passage hole, and a through hole is formed on an inner side of the passage tube coupled to the passage hole, and a screw thread corresponding to the thread of the passage hole is provided to attach and detach the outer passage hole. A coupling plate coupled to the coupling plate, a cylindrical coupling protrusion protruding inwardly of the coupling plate along the through hole to be in close contact with the inner side of the flow path hole, and a coupling protrusion inserted into and coupled to the inside of the flow path tube. The member may be further coupled.

In addition, a fixing ring groove may be formed at an outer side of the fastening protrusion, and the plurality of oil rings may be coupled to the fixing ring groove to prevent oil contained in the cylinder from flowing out through the passage hole.

In addition, a plurality of oil ring grooves are formed in the piston rod in close contact with the cylinder, and the oil ring grooves may be configured by combining a plurality of oil rings to prevent the oil contained inside the cylinder from leaking to the outside.

In addition, a plurality of oil ring grooves are formed on the inner side of the coupling tube in close contact with the piston rod, and the oil ring grooves may be configured by combining a plurality of oil rings to prevent the oil contained in the cylinder from leaking to the outside. have.

In addition, the control unit is connected to the battery of the vehicle and the operation switch for supplying the power of the battery to the hydraulic pump, and a plurality of to display the presence or absence of oil abnormality inside the cylinder measured by the flow sensor and the sensor It may be configured to include an oil detection lamp, and a hydraulic pump detection lamp to indicate the abnormality of the hydraulic pump to the outside.

In addition, the passage hole and the fastening protrusion may be formed in a truncated cone shape so as to be firmly in contact with each other.

The present invention as described above can obtain the following effects.

First, the vehicle is a horizontal control device that is installed between the vehicle body of the vehicle and the axle in which the wheels are installed when driving on the road, so that the up and down flow of the piston rod coupled to each cylinder can be smoothly adjusted. Even if you get stuck on a road sill or other obstacle, you can get out of the way smoothly.

Second, even when driving on a road having an inclined surface, even when a sharp cornering or turning, the amount of oil contained in the plurality of cylinders can be adjusted, respectively, to prevent the vehicle from being directed to either side, thereby ensuring the stability of adjustment of the vehicle.

Third, each cylinder connected to the axle of the vehicle adjusts the amount of oil contained inside through the flow pipe or hydraulic pump, thereby smoothly adjusting the amount of oil contained in each cylinder while preventing the risk of failure due to complicated internal coupling structure. The up and down movement of the piston rod can be controlled to provide a comfortable ride to the user in the vehicle.

Fourth, it is possible to smoothly adjust the amount of oil contained in each cylinder through the control unit, it is possible to conveniently check whether there is an abnormality that may occur in the cylinder and the hydraulic pump can be used safely and efficiently.

Fifth, the up and down flow of the piston rod coupled to the cylinder is adjusted according to the amount of oil contained in the cylinder, and the amount of oil contained in each cylinder is adjusted through the control unit and the hydraulic pump so that the top of the piston rod It is possible to smoothly move the lower flow, so that the ride comfort and adjustment stability of the vehicle can be secured at the same time even on a sharp slope or curve.

1 is a block diagram of a horizontal control device for a vehicle of the present invention.

Figure 2 is an enlarged cross-sectional view of the main portion of the shock absorber according to the present invention.

3 is an enlarged view illustrating main parts of a control unit according to the present invention;

Figure 4 is an enlarged side cross-sectional view of the main portion for the coupling member according to the present invention.

Figure 5 is an enlarged side cross-sectional view showing the main portion of the coupling member according to the present invention.

Figure 6 is a side cross-sectional view showing an operating state of the shock absorber according to the present invention.

Figure 7 is a block diagram showing a state in which the vehicle horizontal control apparatus according to the invention mounted on the vehicle.

8 and 9 are side cross-sectional views showing an operating state of the horizontal control device for a vehicle according to the present invention.

10 is a configuration diagram according to another embodiment of the horizontal control device for a vehicle according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings as follows.

Prior to the above description, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

First, the configuration will be described according to FIGS. 1 to 5 shown.

The present invention is installed between the vehicle body 720 and the wheels 710 of the vehicle 700 is installed between the axle to adjust the horizontal state of the vehicle, a plurality of shock absorbers 100, the oil (O) is accommodated, Flow of the oil (O) flows smoothly between the flow pipe (200) connected to the lower portion of the shock absorber 100 so that the oil (O) flows in and out, and the plurality of shock absorbers 100 connected to the flow pipe (200) The hydraulic pump 300 connected to the flow pipe 200 and the shock absorber 100 and the hydraulic pump 300 and the wire L are connected to each other so that the oil absorber 100 may be formed. O) comprises a control unit 400 for adjusting the flow.

The shock absorber 100 is provided with a cylindrical cylinder 110 is provided with a flow path hole 111 is coupled to the flow path pipe 200 to the oil (O) through the flow pipe 200, The piston rod 120 is coupled to the inside of the cylinder 100 so as to flow up and down according to the amount of oil (O) inside the cylinder, and after the cylinder 100 and the piston rod 120 are coupled, the piston When the rod 120 flows up and down inside the cylinder 100, the cylinder 110 and the piston rod 120 may be prevented from flowing out of the oil O accommodated inside the cylinder 110. Coupling tube 130 is installed on the coupling portion, the upper portion of the piston rod 120, the coil spring 140 is installed to reduce the vibration transmitted to the vehicle body during the road driving of the vehicle 700.

As shown in FIGS. 7 to 9, each cylinder 100 is installed on the axle of the vehicle 700 so as to form the same horizontal line as the horizontal axis C of the vehicle 700. As shown in FIG. 2, the flow path tube 200 is coupled to the flow path hole 111 formed at the bottom thereof to smoothly introduce the oil O into the cylinder 110, and is accommodated inside the cylinder 110. According to the amount of oil (O) is formed in a cylindrical tubular shape so that the piston rod 120 can flow up and down.

The piston rod 120 is configured to be coupled to the inside of the cylinder 110, coupled to the inside of the cylinder 110 according to the amount of oil (O) accommodated inside the cylinder (110). It is configured to be coupled with the cylinder 110 to maintain and flow up and down.

At this time, as shown in Figure 2, the piston rod 120, the flow sensor which flows up and down to correspond to the piston rod 120 to measure the amount of oil (O) accommodated inside the cylinder (110) 123 is provided, and when the cylinder 110 is in close contact with the flow sensor 123 to detect and deliver the amount of oil (O) accommodated inside the cylinder 110 to the control unit 400. A plurality of detection sensors 112 may be provided.

The flow sensor 123 is preferably configured to be integrally connected to the piston rod 120 so as to correspond to the up, down flow of the piston rod 120, the detection sensor 112 is the cylinder 110 When detecting the amount of oil (O) accommodated in the inside is to configure a plurality of detection sensors 112 on the inner surface of the cylinder 110 according to the user's selection according to the range to be measured.

For example, as shown in Figure 2, it can be configured to include two detection sensors 112 on the bottom and top of the inner surface of the cylinder 110, of course, the detection sensor 112 inside the cylinder 110 You can select and install as many as you want to install by adjusting the installation width.

The flow path hole 111 provided in the lower portion of the cylinder 110 is formed by forming a thread 111a on the outside as shown in FIGS. 4 and 5.

In addition, the flow path pipe 200 is a flow path of the cylinder 110, as shown in Figure 5 through the coupling member 500 composed of the coupling plate 510, the fastening protrusion 520, the insertion protrusion 530. It is configured to connect the ball 111 and the flow pipe (200).

For example, the passage hole 111 and the passage pipe 200 are coupled to each other through the fastening member 500, and the coupling plate 510 of the fastening member 500 has a through hole 511 therein. The thread 512 is provided to correspond to the thread 111a formed in the flow path 111 of the cylinder 110 is detachably coupled to surround the outside of the flow path 111, the fastening protrusion 520 is formed to protrude inwardly of the coupling plate 510 along the through hole 511 of the coupling plate 510 to be in close contact with the inside of the flow path hole 111, the insertion protrusion 530 is 5 is inserted into the inside of the flow path tube 200 and is installed so as to be interposed between the flow path hole 111 and the flow path pipe 200 as shown in FIG. 5 and flows through the flow path pipe 200 ( O) is configured to be smoothly introduced and discharged to the inside of the cylinder 110 through the passage hole (111). .

In addition, in the above, the coupling member 500 is configured to be coupled through the flow pipe 200 and the insertion protrusion 530, and then configured to surround the outside of the flow path 111, but is not limited thereto. If the flow path of the oil (O) in the flow path tube 200 and the flow path 111 can be made smoothly according to the user's choice by applying a variety of changes to the flow pipe 200 and the flow path 111 is Of course, it can be configured to connect.

In addition, the passage hole 111 and the fastening protrusion 520 is preferably formed in a truncated cone shape so as to be tightly coupled to each other when coupled.

4 and 5, the cylinder 111 or the fastening member 500 is maintained while the thread 111a of the flow path 111 and the thread 512 of the fastening member 500 are engaged with each other. In the case of firmly rotating by rotating), the fastening protrusion 520 is configured to have a shape penetrating into the passage hole 111.

Accordingly, the flow path hole 111 and the flow path tube 200 of the cylinder 110 may be firmly coupled through the fastening member 500, as well as inside the cylinder 110 in a coupled state. The received oil (O) will not flow out.

As described above, the oil (O) accommodated inside the cylinder 110 is the up and down flow of the piston rod 120 or the coupling state of the flow path hole 111 and the flow path pipe 200 through the fastening member 500. In order to prevent the flow out to the outside, the outer ring of the fastening protrusion 520 is further formed with an oil ring groove 521, the oil ring groove 521 is configured to combine the oil ring (O).

The oil ring groove 521 and the oil ring 522 can be applied by changing the number according to the user's selection, as shown in Figure 5, when the fastening member 500 is coupled to the flow pipe (200) The oil ring groove 521 and the oil ring 522 may be configured to be outside the coupling protrusion 520 of the fastening member 500 so that the oil ring groove 521 and the oil ring 522 may be positioned inside the flow path tube 200.

In addition, as described above, after the piston rod 120 is coupled to the cylinder 110, the piston rod 120 passes through the flow pipe 200 and the flow path 111 to the inside of the cylinder 110. In order to prevent the oil (O) from flowing out from the coupling portion of the cylinder (110) and the piston rod (120), even if it flows up or down depending on the amount of oil (O) flowing in or out. A plurality of oil ring grooves 121 are formed in the piston rod 120 in close contact, and a plurality of oil rings 122 are coupled to the oil ring grooves 121.

In addition, a plurality of oil ring grooves 131 are formed on the inner side of the coupling tube 130 which is tightly coupled to the piston rod 120, and the oil ring grooves 131 are configured to couple a plurality of oil rings 132. will be.

That is, as shown in Figures 2 and 6, after forming a plurality of oil ring groove 121 to the outer surface of the piston rod 120, the oil ring groove so that the cylinder 110 and the oil ring 122 is in close contact with The oil ring 122 is coupled to each of 121.

In addition, after forming a plurality of oil ring grooves 131 into the coupling tube 130, the oil ring groove 131 is coupled to the oil ring 132 to the outer surface of the piston rod 120 and the oil ring ( 132 is configured to be in close contact.

Specifically, the oil O received inside the cylinder 110 is prevented from flowing out through the oil ring 122 coupled to the oil ring groove 121 of the piston rod 120. Even though oil flows out along the outer surface of the piston rod 120, the cylinder prevents the flow of oil (O) once again through the oil ring 132 coupled to the oil ring groove 131 of the coupling tube 130. The oil (O) accommodated inside the 110 can be prevented from coming out.

As described above, even if the piston rod 120 flows up and down inside the cylinder 110, oil rings coupled to the oil ring grooves 121 and 131 formed in the piston rod 120 and the coupling tube 130, respectively. The oil O received inside the cylinder 110 through 122 and 132 is blocked from flowing out.

As described above, the piston rod 120 is coupled to the inner side of the cylinder 110, and the passage hole 111 and the passage tube 200 of the cylinder 110 are coupled through the fastening member 500. After that, the amount of oil O contained in each cylinder 110 is adjusted through the control unit 400.

Specifically, as shown in FIGS. 1 and 3, the controller 400 is configured to be connected to an oil pipe 111 connected to the oil hole 111 of each of the cylinders 110 through a fastening member 500. (110) operates the flow pump 300 for adjusting the amount of oil (O) accommodated inside each, and the oil of each of the cylinders in accordance with the contact of the flow sensor 123 and the sensor 112 described above (O) detects the amount to control the operation of the flow pump 300.

For example, as shown in Figure 3, the control unit 400 is connected to the battery 600 of the vehicle 700, the operation switch 410 for supplying the power of the battery 600 to the hydraulic pump 300, and A plurality of oil detection lamp 420 and the hydraulic pump 300 to display the presence of the oil (O) abnormality inside the cylinder 110 measured by the flow sensor 123 and the detection sensor 112 to the outside. It consists of a hydraulic pump detection lamp 430 to indicate the abnormality of the outside.

The operation switch 410 is to supply or cut off the power of the battery 600 of the vehicle 700 to the hydraulic pump 300, although not described in detail in the present invention, the operation switch on one side of the dashboard of the vehicle 700 410 is configured to protrude so that the user can smoothly adjust while driving.

In addition, the oil detection lamp 420 and the hydraulic pump detection lamp 430 is also configured to protrude on one side of the dashboard of the vehicle 700 as the operation switch 410 so that each cylinder operates smoothly even while the user is driving. It is more preferable to configure so that application of an inoperative state can be confirmed.

In addition, in the vehicle horizontal control device according to the present invention, by operating the control unit 400 to operate the hydraulic pump 300, as shown in Figure 1, the amount of oil (O) accommodated inside each cylinder (110) Although it has been described to adjust the up and down movement of the piston rod by adjusting, the control unit 400 when the inoperative state of the horizontal control device for the vehicle is confirmed through the oil detection lamp 520 or the hydraulic pump detection lamp 530 described above. Oil passages received inside the respective cylinders 110 connected as shown in FIG. 1 without the operation of the flow path tube connected to the respective cylinders 110 according to the tendency of the vehicle 700 to naturally drive the road surface. It can flow naturally along the (200).

That is, by operating the control unit 400 according to the user's selection can be adjusted through the hydraulic pump 300 of the amount of oil (O) accommodated inside each cylinder 110, the control unit ( Even without the operation of 400, the oil (O) accommodated inside each cylinder 110 can be flowed through each other through the flow pipe (200).

As mentioned above, the horizontal control apparatus for vehicles of this invention was demonstrated.

However, the present invention has a horizontal control device for the vehicle as shown in Figure 10 is configured so that the plurality of oil pump 300 is connected to the control unit 400 more smoothly to the cylinder 110 connected to the vehicle body 720 of the vehicle 700. It may be configured to allow the inflow and discharge of oil.

That is, after the flow path pipe 200 is connected to each cylinder 110 connected to the front wheel 710 and the rear wheel 710 of the vehicle 700, the oil pump 300 is connected to the flow pipe 200, respectively. It is configured to smooth the flow of the oil (O) accommodated in each of the cylinder 110 connected to the front wheel 710 and the rear wheel 710 of the vehicle 700 more smoothly the up and down flow of the piston rod 120 You can do it.

This may be changed and applied according to a user's selection according to a driving method of a vehicle or a road surface state or a local characteristic of a road on which the vehicle is to be driven.

Referring to the operation of the present invention configured as described above are as follows.

First, as shown in FIG. 7, after the cylinders 110 are connected to each other to maintain a horizontal state with the vehicle body 720 of the vehicle 700, the vehicle 700 is driven.

When the vehicle 700 operates in the above state, according to the road surface state of the road, as shown in FIG. 8, the vehicle body 720 is inclined by an angle of a or a ', or as shown in FIG. 9. Alternatively, the vehicle body 720 of the vehicle 700 is inclined by an angle of b '.

In this case, as shown in FIG. 6, the cylinder 110 of the vehicle body 720 of the vehicle 700 adjacent to the road surface has a piston rod 120 coupled to the inside of the cylinder 110 at the position h1. The cylinder 110 on the side of the vehicle body 720 of the vehicle 700 in which the road surface of the vehicle 700 is separated from the road surface is h1 at the position of h3 shown in FIG. 6. It will flow in the upward direction to the position of.

That is, even when the road surface is inclined at the time of driving of the vehicle 700, the vehicle body 720 is inclined to correspond to the road inclination of the road, thereby ensuring adjustment stability of the driver who drives the vehicle 700.

In addition, by operating the operation switch 410 of the control unit 400 to transfer the battery power of the vehicle 700 to the hydraulic pump 300 by the oil through the flow pipe 200 to the inside of the cylinder 110. (O) inflow and discharge can be made more smoothly.

At this time, when the oil detection lamp 420 or the oil pump detection lamp 430 of the control unit 400 is lit, the user detects this to smoothly determine whether each cylinder 110 or the oil pump 300 is broken. The vehicle can be operated in a broken state to prevent the risk of causing an accident.

In addition, even when the cylinder 110 or the oil pump 300 is broken, the oil O naturally flows into and out of the respective cylinders 110 through the flow pipes 200 coupled to each of the cylinders 110. Therefore, the driver driving the vehicle can secure a certain amount of shock relaxation and adjustment stability according to the road condition.

As described above, the present invention allows a smooth flow of oil into each cylinder connected to the axle of the vehicle in accordance with the road surface of the road when driving the vehicle to provide a comfortable ride and high vehicle adjustment for the driver to operate the vehicle. Stability can be provided, and even when used, the user can check the faults smoothly by the naked eye so that they can take action and use them conveniently and efficiently.

While the invention has been shown and described with respect to particular embodiments, it is to be understood that various changes and modifications can be made in the art without departing from the spirit or scope of the invention as provided by the following claims. It will be obvious to those of ordinary skill.

Claims (6)

A plurality of shock absorbers 100 in which oil O is accommodated, A flow passage tube 200 through which the oil O enters and exits the lower portion of the shock absorber 100; A hydraulic pump 300 connected to the flow pipe 200 so that oil (O) flows smoothly between the plurality of shock absorbers 100 connected to the flow pipe 200; The vehicle 700 is configured to include a control unit 400 connected to the shock absorber 100 and the hydraulic pump 300 and an electric wire L to control oil (O) flow between a plurality of shock absorbers 100. It is installed between the vehicle body 720 and the wheels 710 of the axle is installed to adjust the horizontal state of the vehicle, The shock absorber 100 A cylindrical cylinder 110 having a flow path hole 111 to which the flow path pipe 200 is coupled and formed to receive the oil O entering and exiting through the flow path pipe 200 therein; A piston rod 120 coupled up and down to the inside of the cylinder 110 according to the amount of oil O accommodated in the cylinder 110; Combination of the cylinder 110 and the piston rod 120 to prevent the oil (O) accommodated in the cylinder 110 flows out to the outside and the up and down flow of the piston rod 120 is made smoothly Coupling tube 130 is installed to surround the site, Is coupled to the upper portion of the piston rod 120 includes a coil spring 140 to reduce the impact of the road surface to the vehicle body 720, The piston rod 120 is provided with a flow sensor 123, When the cylinder 110 is in close contact with the flow sensor 123, a plurality of detection sensors 112 are provided to detect an amount of oil O accommodated inside the cylinder 110 and transmit the detected amount of oil O to the controller 400. Become, The control unit 400 An operation switch 410 connected to the battery 600 of the vehicle 700 and supplying power of the battery 600 to the hydraulic pump 300; A plurality of oil detection lamps 420 which display the presence or absence of oil O in the cylinder 110 measured by the flow sensor 123 and the sensor 112 to the outside; Horizontal control device for a vehicle, characterized in that it comprises a hydraulic pump detecting lamp (430) for displaying the presence or absence of the abnormality of the hydraulic pump (300). The method according to claim 1, A thread 111a is further formed on the outer side of the flow path 111, In the flow path pipe 200 coupled to the flow path hole 111 Through-hole 511 is formed on the inside and the coupling plate is detachably coupled to surround the outer side of the flow path 111 is provided with a thread 512 corresponding to the thread 111a of the flow path 111 ( 510), A cylindrical fastening protrusion 520 protruding to the inner side of the coupling plate 510 along the through hole 511 to be in close contact with the inside of the flow path 111; Horizontal control device for a vehicle, characterized in that the coupling member 500 is composed of an insertion protrusion 530 is inserted and coupled to the inside of the flow pipe 200 is further coupled. The method according to claim 2, A fixing ring groove 521 is formed on the outer side of the fastening protrusion 520, The fixed ring groove 521 is for a vehicle, characterized in that a plurality of oil rings 522 is coupled to prevent the oil (O) accommodated inside the cylinder 110 flows through the flow path (111) Level control. The method according to claim 1, A plurality of oil ring grooves 121 are formed in the piston rod 120 in close contact with the cylinder 110, The oil ring groove 121 is a horizontal control device for a vehicle, characterized in that a plurality of oil rings 122 are coupled to prevent the oil (O) accommodated inside the cylinder (110) from leaking to the outside. The method according to claim 2, A plurality of oil ring grooves 131 is formed inside the coupling tube 130 in close contact with the piston rod, The oil ring groove 131 is a horizontal control device for a vehicle, characterized in that a plurality of oil rings 132 are coupled to prevent the oil (O) accommodated inside the cylinder (110) from leaking to the outside. The method according to claim 1, The flow path 111 and the fastening protrusion 520 is Horizontal control device for a vehicle, characterized in that formed in a truncated cone so as to be in close contact with each other firmly.

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