JP3103419B2 - Vehicle jack-up device and vehicle jack-up position indicating device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a lift movable on a floor of a pit into which a vehicle is carried in the longitudinal direction of the vehicle, and a vehicle support portion of the lift at a hanging position of an axle of the vehicle. TECHNICAL FIELD The present invention relates to a jack-up device for a vehicle and a jack-up position indicating device for a vehicle used when positioning a vehicle.

[0002]

2. Description of the Related Art When a tire, such as a truck or a bus (hereinafter, collectively referred to as a TB vehicle), is subjected to puncture repair, replacement with a new tire, rotation or the like, the TB vehicle is jacked up. This jack-up is usually performed while supporting the frame of the vehicle, etc., but in the case of tire attachment / detachment work, in order to suppress the amount of lifting of the lift, adjust the vehicle support of the lift to the axle and jack up. I have to.

By the way, the wheelbase of a TB vehicle is
Since the lift varies depending on the type of vehicle, the lift can be moved in the front-rear direction of the vehicle, and the lift is positioned according to the vehicle to be loaded.

[0004]

However, when positioning the lift, the operator looks into the lower part of the vehicle while operating the remote controller for moving the lift, and moves the axle to the vehicle support which is considerably separated from the axle. To the hanging position.

[0005] For this reason, there is a problem that the burden on the operator is large and the positioning operation takes time. In addition, if the lift is raised in a state where the positioning is not performed correctly, it is necessary to lower the position again from the position close to the axle and perform the positioning again, which further deteriorates the workability.

The present invention has been made in view of the above circumstances, and has as its object to provide a jack-up device for a vehicle and a jack-up position indicating device for a vehicle which can facilitate the positioning of a lift and improve workability.

[0007]

Means for Solving the Problems The invention according to claim 1
Is on the floor of the pit where the vehicle is loaded
A lift movable along the axle of the vehicle.
When aligning the vehicle support of the lift to the lower position
The jack-up position indicating device of the vehicle used
And mounted on the lift to support the vehicle
Having a light source for emitting a light beam indicating the position of the part
Features.

According to a second aspect of the present invention, a vehicle is carried in.
Can move along the front and rear direction of the vehicle on the floor of the pit
A lift, wherein the lift is in a hanging position of an axle of the vehicle.
Of the vehicle used to align the vehicle support
A jack-up position indicating device, comprising:
Including the axle of the vehicle when the lift is moved
A contact that is tilted by contact with a part, and the vehicle
Is located at a position deviating from the trajectory of the
At least, the contact switches when it is tilted by contact with the axle.
Between the limit switch and the contact of the limit switch.
Notifying means for notifying the switching state.

According to a third aspect of the present invention, a vehicle is carried in.
Can move along the front and rear direction of the vehicle on the floor of the pit
A lift, wherein the lift is in a hanging position of an axle of the vehicle.
Of the vehicle used to align the vehicle support
A jack-up position indicating device, provided on the lift.
A camera capable of photographing the upper part
A monitor for displaying the shadowed image, and a display surface of the monitor.
Equally divided along the direction perpendicular to the axis of the axle to be photographed
And a scale index attached.

According to a fourth aspect of the present invention, the vehicle is carried in.
Can move along the front and rear direction of the vehicle on the floor of the pit
A lift, the hanging position of the rear axle of the vehicle and the
Claim 1 to align the vehicle support of the shaft.
The jack-up of the vehicle according to any one of claims 3 to 4.
A jack for a vehicle, comprising a position indicating device.
Up device.

[0011]

According to the first aspect of the present invention, the lift moves.
Then, the light beam emitted from the light source also moves. This light
If the beam irradiation position is, for example, inside the tire,
Is leaning slightly from the side of the vehicle opposite the tire
The inside of this tire can be visually checked only by looking at it.
The light beam applied to the inside of the tire is
When you reach the line connecting the point of contact with the floor of the
Can be determined to have been aligned to the proper position,
Perform the backup work.

In this way, the axle with considerable spacing
Much more than aligning the lift with the vehicle support of the lift
Positioning work is simplified, and the burden on the operator is reduced.
Since the number is small, workability is improved.

[0013] The light beam is irradiated upward to directly drive the axle.
May be applied. In this case, the alignment accuracy
Is further improved.

According to the second aspect of the present invention, the lift
The contact is projected upward from above. Transporting the vehicle to the pit
At the time of entry, this contact is in contact with various parts such as the front part of the vehicle.
But this contact is tiltable.
Therefore, it may not be tilted or damaged according to the shape of the vehicle.
No.

When the lift is moved for positioning, the contact
When it comes into contact with the axle, it is pushed by the axle and tilts. this
Limit switch contacts when tilted by axle
Is switched, and the notification means
If it is displayed on a lamp, etc.
The axle and the vehicle support of the lift
You can recognize that it was done.

According to the third aspect of the present invention, the lift
The axle is photographed by an attached camera. This and
The axle projected on the monitor moves in the direction perpendicular to the axis.
You. By attaching a scale index along this direction of travel,
The deviation between the axle and the vehicle's tire support can be determined.
Alignment becomes easy.

According to the invention described in claim 4, in front of the vehicle.
The lift moving in the rearward direction includes
A jack-up position indicating device for a vehicle according to any one of the preceding claims.
Is provided and moves with the lift. The worker is
Lift the rear wheel using the
The shaft can be positioned at the hanging position. At this position
The axle can be securely supported by raising and lowering the lift.
Can perform stable jack-up work.
Wear.

[0018]

FIG. 1 shows a tire attaching / detaching work area 10 (hereinafter simply referred to as a pit 10).

The pit 10 is used as an area for attaching and detaching tires of a large vehicle (TB vehicle) 12 such as a truck or a bus, and a three-post movable lift 14 is buried in the center floor.

As shown in FIG. 2, a three-post movable lift 1
Reference numeral 4 denotes three lifts 16A, 18A, 20A, and lifts (lifts 18 corresponding to the lifts 16A, 18A) for raising and lowering the lifts 16A, 18A, 20A, respectively.
B, 20B only).

As shown in FIG. 1, the lift 16A is connected to TB
The vehicle 12 is fixed to a position corresponding to the axle 23 of the front tire 22F in a state where the vehicle 12 is carried into the pit 10.

As shown in FIG. 2, the remaining lifts 18A and 20A can be moved in the horizontal direction (in the direction of arrow A in FIG. 2) together with the elevators 18B and 20B by driving means (not shown) along the rail member 24. It has been. These lifts 18A and 20A are moved in accordance with the two axles 26 of the tires 22 of the rear wheels of the TB vehicle 12, and are capable of responding to them.

That is, since the wheelbase of the TB vehicle 12 varies depending on the vehicle type, the lifts 18A,
This is dealt with by moving 0A.

By positioning the two lifts 18A and 20A at appropriate positions, the TB vehicle 12 can be safely moved up and down (in the direction of arrow B in FIG. 2).

As shown in FIG. 3, the lifts 18A, 20
A vehicle support portion 28 is provided at the upper end of A. The vehicle support portion 28 has a rectangular shape, and a vertical wall portion 28A is formed at a peripheral edge thereof, and a support block 30 is accommodated at both ends of the short side (in the width direction of the vehicle) (only one side is shown). .
The lift 16A has the same configuration (see FIG. 1).

The support block 30 has a substantially V-shaped notch 32 at its upper end. Here, lift 18
When A and 20A rise, the axle 26 of the tire 22R of the rear wheel of the TB vehicle 12 enters the notch 32 and supports it. Here, if the positions of the axle 26 and the support block 30 do not match, the axle 26 cannot be reliably supported by the support block 30. Therefore, in this embodiment, a laser 34 as a pointing device for positioning is provided on the vehicle support 28.

The laser 34 is mounted on the vehicle support 28 via a bracket 36. The light beam irradiation port of the laser 34 is connected to one tire 2 in the width direction of the TB vehicle 12.
Pointed to the inner surface of the 2R. For this reason, as shown in FIG. 4, the lifts 18A, 20A
Is moved, the spot 38 is located inside the tire 22R.
And is moved along the dashed line in FIG.

Here, a line (the tire center line C) connecting the axis of the axle 26 and the point of contact with the floor of the pit 10 of the tire 22R.
When this spot 38 (see the solid line in FIG. 4) reaches on L), it can be determined that the positions of the support block 30 and the axle 26 have coincided.

The operation of the first embodiment will be described below. TB
The vehicle 12 is guided and carried into the pit 10. After being carried into a predetermined position and the front wheel tires 22F are aligned with the lift 16A, the lifts 18A and 20A are moved in the horizontal direction to match the wheel base of the carried TB vehicle 12.

At this time, if the laser 34 is kept in the irradiation state, the spot 38 of the light beam emitted from the laser 34 moves along the dashed line so as to include the inside of the tire 22R as shown in FIG. I do.

The movement locus of this spot 38 is
2 intersects with the center line CL of the tire 22, the operator looks into the side of the TB vehicle 12 opposite to the side where the tire 22R is mounted, and the spot 38 coincides with the center line CL of the tire 22R (FIG. 4).

When the spot 38 coincides with the center line CL of the tire 22R, it can be determined that the positioning between the support block 30 and the axle 26 has been properly completed, and the TB vehicle 12
Is driven up by driving the elevators 16B, 18B, 20B.

According to this embodiment, the position of the support block 30 and the axle 26 are confirmed by irradiating the spot 38 of the light beam on the inside of the tire 22R and visually checking the spot 38. Workability is significantly improved as compared with a case where a person directly and visually positions the support block 30 and the axle 26 at a considerable interval. Further, since it is only necessary to look into the inside of the tire 22, the amount of crouching of the worker is reduced.

In this embodiment, the laser 34 is single and the moving spot 38 is one point. However, as shown in FIG. 5, the spot 38 is two points, and the spot 38 moves with the center line CL of the tire 22R. The point in time when the interval dimensions match each other may be determined to be a proper alignment point between the support block 30 and the axle 26. Second Embodiment Hereinafter, a second embodiment of the present invention will be described. In the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and the description of the configuration will be omitted.

As shown in FIG. 6, a limit switch 40 is attached to the vehicle support 28, and the limit switch 4
The contact 42 is projected upward from 0. The tip of the contact 42 can contact the axle 26 of the tire 22R, and when contacted with the axle 26, is tilted by a predetermined amount.

In the limit switch 40, the contact is switched by this predetermined amount of tilt, and when the contact is switched, a display lamp 44 provided on the vehicle support 28 is turned on.

As shown by the imaginary line in FIG. 6, the contact 42 is rotatable within a relatively large angle range, so that even if it comes into contact with a portion other than the axle 26, no damage or the like occurs. It has become.

The operation of the second embodiment will be described below. TB
When the vehicle 12 is carried in, the contact 42 comes into contact with each part of the TB vehicle 12, but is tilted accordingly (see the imaginary line in FIG. 6), so that there is no damage.

When the contact 42 reaches the vicinity of the axle 26, the display lamp 44 is monitored. Here, when the contact 42 contacts the axle 26 and is tilted by a predetermined amount, the display lamp 44
Lights up, and it can be confirmed that the support block 30 coincides with the axle 26.

According to the second embodiment, the support block 30 and the axle 26 can be seen without looking into the lower part of the TB vehicle 12.
It can be confirmed that the position has become an appropriate position, so that the burden on the operator is reduced. Third Embodiment Hereinafter, a third embodiment of the present invention will be described. In the third embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and the description of the configuration will be omitted.

As shown in FIG. 7, a camera 46 is mounted on the vehicle support 28. The camera 46 can take an image of the upper side, that is, the axle 26.

On the other hand, as shown in FIG.
A monitor 50 is provided in the remote controller 48 for operating the vertical movement and horizontal movement of A, 18A and 20A (FIG. 1).

An operating section 52 for moving the lifts 16A, 18A and 20A (FIG. 1) up and down and horizontally moved is provided below the monitor 50.

The image taken by the camera 46 is displayed on the monitor 50. A scale 52 is provided on the surface of the monitor 50. The main line of the scale 52 is provided along the direction perpendicular to the axis of the axle 26 to be projected, and is equally allocated for each unit (for example, every 10 mm). Also, a reference line 5 parallel to the axis of the axle 26
When the reference line 54 matches the axis of the axle 26, the support block 30 and the axle 26
Will be aligned.

The operation of the third embodiment will be described below. The lower portion of the TB vehicle 12 is displayed on the monitor 50 in accordance with the movement of the vehicle support 28. When the axis of the axle 26 does not coincide with the reference line 54 in the projected image, the amount of displacement can be recognized by looking at the unit scale. For this reason, the worker is required to
To the left or right can be easily confirmed.

When the axis of the axle 26 projected on the monitor 50 matches the reference line 54, it is determined that the support block 30 has matched the axle 26, and the horizontal movement operation is stopped.

As described above, it is not necessary to look into the lower part of the TB vehicle 12, and it is possible to determine just how much the vehicle support section 28 should be moved to the left or right by monitoring the monitor 50. Thus, the workability of positioning the lifts 18A and 20A, which can reduce the burden on the operator, can be improved.

[0048]

As described above, the jacking-up device for a vehicle and the jacking-up position indicating device for a vehicle according to the present invention have an excellent effect that positioning of a lift can be easily performed and workability can be improved. .

[Brief description of the drawings]

FIG. 1 is a plan view of a work area for a tire attaching / detaching service operation according to the present embodiment.

FIG. 2 is a side sectional view of a part of the three-post movable lift according to the embodiment.

FIG. 3 is a perspective view of the vicinity of a vehicle support.

FIG. 4 is a front view showing a movement locus of a spot irradiated inside the tire.

FIG. 5 is a front view showing a movement trajectory of a spot in a case where two spots are shown as a modification of the first embodiment.

FIG. 6 is a front view showing a relationship between a limit switch and an axle according to a second embodiment of the present invention.

FIG. 7 is a perspective view of the vicinity of a vehicle support according to a third embodiment of the present invention.

FIG. 8 is a front view of a remote controller according to a third embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Pit 12 TB vehicle 14 Lift 22R Tire 24 Rail member 26 Axle 28 Vehicle support part 30 Support block 34 Laser (light source) 38 Spot 40 Limit switch 42 Contact 44 Indicator lamp (notifying means) 46 Camera 50 Monitor 52 Scale

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-3-232695 (JP, A) JP-A-3-266749 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) B66F 7/28 B60S 5/00

Claims (4)

(57) [Claims] 1. A vehicle moves on a floor of a pit into which the vehicle is carried.
The vehicle comprising a lift movable along the front-rear direction of the vehicle
Align the vehicle support of the lift with the hanging position of the axle
Jack-up position indicating device for vehicle
A part of a vehicle attached to the lift.
Has a light source that emits a light beam indicating the position of the vehicle support
Jack-up position indicating device for vehicles
Place. 2. A vehicle on a floor of a pit into which the vehicle is carried.
The vehicle comprising a lift movable along the front-rear direction of the vehicle
Align the vehicle support of the lift with the hanging position of the axle
Jack-up position indicating device for vehicle
The lift is projected upward from the lift
Contact with various parts including the axle of the vehicle when moving
The contact being tilted and the position deviating from the trajectory of the vehicle
At least in contact with the axle.
A limit switch that switches contacts when defeated,
Notify the switching state of the contacts of the limit switch
Indicating a jack-up position of a vehicle having
apparatus. 3. The vehicle moves on the floor of a pit into which the vehicle is carried.
The vehicle comprising a lift movable along the front-rear direction of the vehicle
Align the vehicle support of the lift with the hanging position of the axle
Jack-up position indicating device for vehicle
And a camera provided on the lift and capable of photographing the upper side.
Display images taken by the camera and the camera
A monitor and a car mounted on the display surface of the monitor and photographed
A scale index equally distributed along the axis perpendicular to the axis
Jack-up position indicating device for a vehicle. 4. A vehicle on a floor of a pit into which the vehicle is carried.
The vehicle comprising a lift movable along the front-rear direction of the vehicle
Position the hanging position of the rear axle and the vehicle support of the lift
4. Any one of claims 1 to 3 for matching.
Vehicle jack-up position indicating device described in
And a jack-up device for a vehicle .