JP2002128482A - Bipost lift for maintenance of vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily open a door of a driver's seat of a vehicle placed on a lift working area with respect to all kinds of vehicles from a one-box car and a truck to a passenger car. SOLUTION: In this bipost lift 10 used for the maintenance of a vehicle 1, plural specific stop positions free from the interference with a strut 12 in an open state of a driver's seat door 2 of the vehicle 1 are set on the lift working area 13 for respective car models 1A, 1B of the vehicles 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a two-post type lift for vehicle maintenance.

[0002]

2. Description of the Related Art Conventionally, as a two-post type lift for vehicle maintenance,
As described in JP-A-48-10746, two columns are erected at predetermined intervals on both sides of a lift working area on the floor, and each column is raised and lowered synchronously with each other. A carriage is mounted, each carriage is provided with a front support arm and a rear support arm that are pivotally supported in a horizontal plane, and the vehicle is lifted by positioning the vehicle at a stop position of the vehicle defined in a lift work area. There is something to improve.

[0003]

In a two-post lift, the distance between two supports is made as small as possible in order to improve the space efficiency of a vehicle maintenance yard, and a driver's seat door of a vehicle positioned in a lift work area. Is desired to be easily opened greatly.

[0004] However, the driver's seat door of a vehicle varies depending on the type of the vehicle, such as a door near a front wheel as in a one-box car or a truck, and a door far from the front wheel as in a passenger car. .

[0005] For this reason, in a lift in which a support is installed on a side near the front wheels with respect to a stop position of the vehicle defined in a lift work area on the floor, a driver's seat door of a passenger car or the like is easily opened large, but a one-box car The driver's door of a truck or truck is difficult to open. On the other hand, in a lift with a support installed at the center of the front and rear wheels with respect to the stop position of the vehicle defined in the lift work area on the floor, the driver's seat door of a one-box car or truck is easily opened large, Driver's door is hard to open.

SUMMARY OF THE INVENTION An object of the present invention is to make it easy to open the driver's seat door of a vehicle located in the lift work area for all types of vehicles such as one-box cars and trucks to other types of vehicles such as passenger cars. is there.

[0007]

According to the first aspect of the present invention, two pillars are erected at predetermined intervals on both sides of a lift working area on the floor surface, and the respective pillars are synchronously provided with each other. Equipped with carriages that can be raised and lowered, each carriage is provided with a front support arm and a rear support arm that are each pivotally supported in a horizontal plane, and the vehicle is positioned at a stop position of the vehicle defined in the lift work area, and 2. Description of the Related Art In a two-column lift for vehicle maintenance that lifts up a vehicle, a plurality of specific stop positions that do not interfere with a support when a driver's seat door of each of a plurality of vehicle types is opened are set in a lift work area on a floor surface. In this case, the vehicle is positioned at a specific stop position according to the type of the vehicle when the vehicle enters.

According to a second aspect of the present invention, in the first aspect, the front support arm can be extended and retracted in multiple stages, and the rear support arm can be extended and retracted in multiple stages. One of the arms has its maximum length set longer than the other.

According to a third aspect of the present invention, in the first or second aspect, the front of the carriage faces a rear side surface of the vehicle positioned in the lift work area with respect to a vehicle approach center line of the lift work area. The front support arm is supported at the front corner of the front of the carriage, and the rear support arm is supported at the rear corner.

According to a fourth aspect of the present invention, in the first aspect of the present invention, the front support arm is located between two standby positions parallel to the vehicle entry center line at the front and rear of the support, respectively. Is to be able to swing 180 degrees.

[0011]

According to the first aspect of the present invention, the following operations are provided. When the driver enters the lift work area,
By positioning the vehicle at a specific stop position corresponding to the type of the vehicle, the driver's seat door of the vehicle positioned at the specific stop position is widely opened without interfering with the support (θ
A, θB).

According to the second aspect of the present invention, the following effects are obtained. Since the front support arm can expand and contract in multiple stages, when the maximum length of the front support arm is L1, the vehicle body receiver at the tip of the front support arm can lift the vehicle in a wide range of L1 / 2 to L1. It can correspond to points, and the contraction length can be shortened so that it can be stored without hitting the wheels.

Since the rear support arm can expand and contract in multiple stages, when the maximum length of the rear support arm is L2, the body support at the tip of the rear support arm has a wide length range of L2 / 2 to L2. It can correspond to the lift point of the vehicle, shorten the contraction length, and can be stored without hitting the wheel.

[0014] Since the maximum length of one of the front support arm and the rear support arm is longer than the maximum length of the other, when a plurality of vehicles of different vehicle types are positioned at their individually determined specific stop positions, Even if the lift points of each of these vehicles are dispersed over a wide range, the length ranges of the two support arms can be effectively widened with each other, so that all the lift points can be well coped with.

According to the third aspect of the invention, the following effects are obtained. Since the front surface of the carriage is inclined, the front support arm supported at the front corner can be swung 180 degrees forward and backward, and the vehicle approach frontage of the lift work area can be made large. For a vehicle such as a one-box car or truck having a driver's seat door near a front wheel, the front wheel stop position with respect to the support is farther forward, so the front support arm is housed in the front side. For a vehicle such as a passenger car having a driver's seat door far from the front wheels, the front support arm is stored at the rear side because the front wheel stop position with respect to the support is near the front.

According to the fourth aspect of the invention, the following effects are obtained. In addition to positioning each vehicle at a specific stop position according to the vehicle type, the front support arm and the rear support arm can be expanded and contracted in multiple stages, respectively, and the maximum length of one of the front support arm and the rear support arm is set to the other The maximum length of the carriage is shorter than the maximum length of the other, and the front of the carriage is arranged obliquely, and the front support arm is parallel to the vehicle entry center line at the front and rear of the support, respectively. Between the two standby positions
By allowing the vehicle to swing by 180 degrees, for example, the front wheel stop position serving as a reference for the lift point of each vehicle can be changed to a wide range, and the interference between the driver's seat door and the support in the open state can be avoided.

[0017]

FIG. 1 is a plan view showing a lift, and FIG.
FIG. 3 is a front view showing a lift, FIG. 3 is a plan view showing a stored state of a support arm with respect to a first vehicle type, FIG. 4 is a plan view showing an extended state of the support arm with respect to the first vehicle type, and FIG. FIG. 6 is a side view showing a lift-up state, FIG. 6 is a plan view showing a stored state of a support arm for a second vehicle type, FIG. 7 is a plan view showing an extended state of the support arm for a second vehicle type, and FIG. It is a side view which shows the lift-up state of the vehicle type of FIG.

As shown in FIGS. 1 and 2, the vehicle maintenance two-post type lift 10 is installed on a floor 11 of a maintenance yard, and two columns 12, 12 are lifted by a lift work area 13 on the floor 11. Are erected at predetermined intervals on both sides. 12A is a base plate. Both struts 12, 12 are connected beam 14
Form a gate connected by.

The lift 10 is equipped with a carriage 15 which can be moved up and down in synchronization with each other on each of the columns 12, and the front short support arm 16 and the rear long support arm which are respectively supported on each carriage 15 so as to be pivotable in a horizontal plane. A length support arm 17 is provided.

The lift 10 is arranged so that the front of the carriage 15 is inclined with respect to the vehicle entry center line 13A of the lift work area 13 in a direction facing the rear side surface of the vehicle 1 positioned in the lift work area 13. The front short support arm 16 is supported at the front corner of the front, and the rear long support arm 17 is supported at the rear corner.

The front short support arm 16 is
6A, intermediate arm 16B, and distal arm 16C, can be extended and contracted in two short steps (maximum length L1), and distal arm 16C
Is provided with a vehicle body receiver 16D. Long back support arm 17
Has a base arm 17A, an intermediate arm 17B, and a distal arm 17C, and is longer than the short support arm 16 for front.
It can expand and contract in stages (maximum length L2), and is provided with a vehicle body receiver 17D on the tip arm 17C. The swiveling and expanding / contracting range of the support arms 16 and 17 in the horizontal plane is shown by an arc-shaped range in FIG.

However, the lift 10 is located at the stop position of the vehicle 1 defined in the lift work area 13 (a first display unit 2 described later).
1 and the second display unit 22), and lifts up the vehicle 1 with the support arms 16 and 17. At this time, the lift 10 is provided with a plurality of vehicle types (first
For each of the vehicle types 1A and 1B), a plurality of specific stop positions (the first display unit 21 and the second display unit 22) that do not interfere with the support 12 when the driver's seat door 2 of the vehicle 1 is open are set. The specific stop position (the first display unit 21) is set in the lift work area 13 on the floor surface 11 and corresponds to the type of the vehicle 1 (the first type 1A and the second type 1B) when the vehicle 1 enters.
And a second display unit 22) for recognizing that the vehicle 1 is positioned.

In the present embodiment, the recognizing means 20 is a vehicle 1
A first display unit 21 that displays a front wheel stop position of a first vehicle type 1A such as a one-box car or a truck having a driver's seat door 2 at a position close to the front wheel 3 farther from the support 12 (distance LA); Each of the second display portions 22 that displays the front wheel stop position of the second vehicle type 1B such as a passenger car having the driver's seat door 2 at a position distant from 3 near the front of the support 12 (distance LB) is provided on the floor surface 11. Be composed.

The lifting operation of the vehicle 1 by the lift 10 is performed as follows. (A) Lift-up of the first vehicle type 1A (1) For the first vehicle type 1A, such as a one-box car or a truck, in which the driver's seat door 2 is located near the front wheel 3 of the vehicle 1, the driver must use the front wheel 3 is positioned at a stop position (a position farther forward from the support 12) displayed by the first display unit 21 (FIG. 3).

At this time, the front short support arm 16 is stored in a standby position at a position parallel to the vehicle entry center line 13A toward the front of the column 12, and the rear long support arm 17 is directed rearward from the column 12. It is stored and standby at a position parallel to the vehicle entry center line 13A. Short support arm 16 for front
In the case of waiting in front storage, the turning angle of the vehicle 1 to the lift point is small and easy to handle in the following (2).

The driver opens the driver's seat door 2 with a large opening angle θ.
A (FIG. 3) opens and gets off the vehicle 1 without worrying about the columns 12.

(2) The front short support arm 16 and the rear long support arm 17 are turned and extended in a horizontal plane, and the vehicle body receivers 16D and 17D are aligned with the lift point of the vehicle 1 (FIG. 3 to 4). Lift point groups that can be supported by the support arms 16 and 17 are indicated by black dots in FIG.

(3) The hydraulic unit 19 is operated by the lifting / lowering operation switch 18, and the left and right front short support arms 16,
The rear long support arm 17 is raised in synchronization with the vehicle 1 and the vehicle 1 is lifted up horizontally (FIG. 5). Further, the vehicle 1 is horizontally lifted down by lowering the front short support arm 16 and the rear long support arm 17 by the lifting operation switch 18.

(B) Lift-up of the second vehicle type 1B (1) For a second vehicle type 1B such as a passenger car, in which the driver's seat door 2 is located far from the front wheels 3 of the vehicle 1, the driver needs the front wheels 3 At the stop position (position close to the front from the support 12) displayed by the second display unit 22 (FIG. 6).

At this time, the front short support arm 16 is stored and held at a position parallel to the vehicle entry center line 13A toward the rear of the column 12, and the rear long support arm 17 is positioned rearward of the column 12. It is stored and standby at a position parallel to the vehicle entry center line 13A. Short support arm 16 for front
When the vehicle 1 is set to the front storage standby, the front wheel 3 becomes an obstacle when turning to the lift point of the vehicle 1 in the following (2), and the rear storage standby makes the vehicle 1 easier to turn to the lift point.

The driver opens the driver's seat door 2 at a large opening angle θ.
B (FIG. 6) Open and get off the vehicle 1 without worrying about the pillars 12.

(2) The front short support arm 16 and the rear long support arm 17 are turned and extended in the horizontal plane, and the vehicle body receivers 16D and 17D are aligned with the lift point of the vehicle 1 (FIG. 6 to 7). Lift point groups that can be supported by the support arms 16 and 17 are indicated by black dots in FIG.

(3) The hydraulic unit 19 is actuated by the lifting / lowering operation switch 18, and the left and right front short support arms 17 and the rear long support arm 17 are raised in synchronization with each other to lift up the vehicle 1 horizontally (FIG. 8). Further, the vehicle 1 is horizontally lifted down by lowering the front short support arm 16 and the rear long support arm 17 by the lifting operation switch 18.

Therefore, according to the present embodiment, the following operations are provided. When the driver enters the lift work area 13, the driver can easily position the vehicle 1 at a specific stop position corresponding to the type of the vehicle by using the recognition unit 20, and can position the vehicle 1 at the specific stop position. In the vehicle 1, the driver's seat door 2 can be greatly opened (θA, θB) without interfering with the column 12.

With a simple configuration in which only the first display section 21 and the second display section 22 are displayed on the floor 11, the first door 2 has the driver's seat door 2 at a position close to the front wheels 3 such as a one-box car or a truck. For the vehicle 1 of model 1A, the front wheels 3
For the vehicle 1 of the second vehicle type 1B having the driver's seat door 2 located far from the front wheel 3 such as a passenger car, the front wheel 3 is positioned on the second display unit 22,
The driver's seat door 2 of these various vehicles 1 can be greatly opened (θA, θB) without interfering with the column 12.

Since the front short support arm 16 can expand and contract in two stages, when the maximum length of the front short support arm 16 is set to L1, the vehicle body receiver 1 at the tip of the front short support arm 16 is used.
6D can correspond to the lift point of the vehicle 1 in a wide length range of L1 / 2 to L1, has a reduced contraction length, and can be stored without hitting wheels.

Since the rear elongate support arm 17 can be expanded and contracted in two stages, when the maximum length of the rear elongate support arm 17 is L2, the vehicle body receiver 1 at the tip of the rear elongate support arm 17 is used.
7D can correspond to the lift point of the vehicle 1 in a wide length range from L2 / 2 to L2, and can be stored without hitting the wheels by shortening the contraction length.

Since the maximum length of the long support arm 17 for the rear is longer than the maximum length of the short support arm 16 for the front, when a plurality of vehicles of different types are positioned at their individually specified specific stop positions. , Even if the lift points of each of these vehicles are dispersed over a wide range,
The length ranges of 6, 17 can be effectively widened to each other to better accommodate all these lift points (FIGS. 3, 6).

Since the front surface of the carriage 15 is inclined, the front short support arm 16 supported at the front corner of the carriage 15 is swung 180 degrees forward and backward, and the vehicle 1 entrance front of the lift work area 13 is enlarged. Can be taken. For the vehicle 1 having the driver's seat door 2 near the front wheel 3 such as a one-box car or a truck, the front wheel 3 stopping position with respect to the support 12 is far forward, so the front short support arm 16 is used.
Is stored in the front side. For a vehicle 1 having a driver's seat door 2 at a position far from the front wheels 3 such as a passenger car, the front short support arm 16 is stored at the rear side since the stop position of the front wheels 3 with respect to the struts 12 is close to the front.

In addition to positioning each vehicle at a specific stop position according to the type of vehicle, the front short support arm 16 and the rear long support arm 17 can be expanded and contracted in two stages, respectively. Short support arm for maximum length 1
6, the maximum length of the front short support arm 16 is shorter than the maximum length of the rear long support arm 17,
The front of the carriage 15 is inclined and the front short support arm 16 can swing 180 degrees between two standby positions parallel to the vehicle entry center line at the front and rear of the column 12, respectively. For example, the front wheel stop position serving as a reference for the lift point of the vehicle can be changed to a wide range (FIGS. 3 and 6), and interference between the driver's seat door 2 and the support 12 in the open state can be avoided.

Although the embodiments of the present invention have been described in detail with reference to the drawings, the specific structure of the present invention is not limited to the embodiments, and the design may be changed without departing from the scope of the present invention. The present invention is also included in the present invention. For example, in the embodiment of the present invention, the recognizing means determines that the vehicle is positioned at one of the two front wheel stop positions (the first display unit 21 and the second display unit 22) corresponding to the first and second vehicle types. The recognition is not limited to one that recognizes that the vehicle is positioned at any one of three or more front wheel stop positions (three or more display units) corresponding to three or more types of vehicles.

The recognizing means is not limited to displaying the front wheel stop position of each vehicle type, but may display the stop position of a specific portion such as a bumper of the vehicle.

The recognition means is not limited to displaying the specific stop position of each vehicle type on the floor, and recognizes that each vehicle has been positioned at the specific stop position via a limit switch, an optical sensor, or the like. It may be displayed.

However, in implementing the present invention, it is not essential to provide a recognition means.

In the embodiment of the present invention, the number of expansion and contraction stages of the support arm is not limited to two, but may be three or more.

[0046]

As described above, according to the present invention, for all kinds of vehicles such as one-box cars and trucks to various kinds of vehicles such as passenger cars, the driver's seat door of those vehicles positioned in the lift work area. Can be easily opened.

[Brief description of the drawings]

FIG. 1 is a plan view showing a lift.

FIG. 2 is a front view showing a lift.

FIG. 3 is a plan view showing a stored state of a support arm for a first vehicle type.

FIG. 4 is a plan view showing an extended state of a support arm for a first vehicle type.

FIG. 5 is a side view showing a lift-up state of the first vehicle type.

FIG. 6 is a plan view showing a stored state of a support arm for a second vehicle type.

FIG. 7 is a plan view showing an extended state of a support arm for a second vehicle type.

FIG. 8 is a side view showing a lift-up state of a second vehicle type.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vehicle 1A 1st vehicle type 1B 2nd vehicle type 2 Driver's seat door 3 Front wheel 10 2 pillar type lift 11 Floor surface 12 Prop 13 Lift work area 13A Vehicle entry center line 15 Carriage 16 Front short support arm 17 Rear long Support arm 20 Recognition means 21 First display unit 22 Second display unit

Claims (4)

[Claims] The present invention is characterized in that two columns are erected at predetermined intervals on both sides of a lift working area on a floor surface, and each of the columns is equipped with a carriage which can be raised and lowered synchronously with each other.
A front support arm and a rear support arm are provided on each carriage so as to be pivotable in a horizontal plane, and the vehicle is lifted up by positioning the vehicle at a stop position of the vehicle defined in a lift working area and lifting the vehicle. In a two-post lift, a plurality of specific stop positions that do not interfere with a support when a driver's seat door of each of a plurality of vehicle types is opened are defined in a lift work area on a floor surface, and when the vehicle enters the vehicle, A two-pole lift for vehicle maintenance, wherein the vehicle is positioned at a specific stop position according to the vehicle type of the vehicle. 2. The front support arm can be extended and retracted in multiple stages, the rear support arm can also be extended and retracted in multiple stages, and one of the front support arm and the rear support arm has its maximum length set longer than the other. The two-column lift for vehicle maintenance according to claim 1, comprising: 3. A front face of the carriage is inclined with respect to a vehicle entry center line of the lift work area in a direction facing a rear side surface of a vehicle positioned in the lift work area, and a front corner of the front face of the carriage is provided at a front corner. The two-column lift for vehicle maintenance according to claim 1 or 2, wherein the rear support arm supports the rear support arm at a rear corner. 4. The vehicle maintenance according to claim 1, wherein the front support arm can swing 180 degrees between two standby positions parallel to the vehicle entry center line in front of and behind the support, respectively. 2-post lift.