JP4973951B2 - Elevating device for vehicle - Google Patents

Description

  The present invention lifts and lowers a plate-like mounting body on which a wheelchair is mounted in a parallel or substantially parallel posture to a descending position on or near the ground and an ascending position that is the same height as or substantially the same as the floor of the vehicle. The present invention relates to an elevating device for a vehicle provided with elevating operation means for operating.

Such a vehicle lifting device is mounted on a wheelchair by moving the mounting body up and down to a descending position on or near the ground or an ascending position of the same or substantially the same level as the floor of the vehicle by a lifting operation means. It is used to transfer the passenger who performs the movement between the ground and the inside of the vehicle (see, for example, Patent Document 1).
Incidentally, such a vehicle lifting apparatus requires maintenance work such as inspection and replacement of parts, and conventionally, maintenance work has been performed regularly.

JP 2000-326781 A

  However, since the degree of progress of the component deterioration varies depending on the number of times the lifting device for the vehicle is used, for example, the number of times the mounting body is lifted, the maintenance work is simply performed periodically as in the past. If this is done, maintenance work such as unnecessary replacement of parts that have not deteriorated to the extent necessary for replacement or delay in replacement of parts that may have deteriorated to the extent that replacement is necessary. It was difficult to do at the right time.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a vehicle elevating apparatus that can perform maintenance work at an appropriate time.

The vehicle lifting apparatus according to the present invention is configured such that a flat plate-like mounting body on which a wheelchair is mounted is parallel to a descending position on or near the ground and an ascending position that is the same height as or substantially the same as the floor surface of the vehicle. Or the raising / lowering operation means which raises / lowers in a substantially parallel attitude | position is provided, Comprising: The 1st characteristic structure is the following.
A raising / lowering counting means for counting the number of times of raising / lowering the above-mentioned body and displaying the counted number of times of raising / lowering on a display unit is provided ,
The ascending / descending number counting means includes a main body unit including a mechanical display as the display unit, and a counting operation object mounted on the main body unit, and the counting object is counted. It is configured as a mechanical counter that changes the display number of the indicator as it is moved and operated.
A counting moving member that moves in accordance with the lifting operation of the lifting operation means is provided to move and operate the counting target object for counting,
The raising / lowering operation means is operated to swing up and down with respect to a base frame fixed on the vehicle side, and is brought into a lying posture that protrudes outward from the vehicle through an opening on the vehicle side and an upright posture that retreats toward the inner side of the vehicle. A parallel quadruple link type lifting link mechanism whose posture is changed, and the above-mentioned mounting body is slidably supported along the inside and outside of the vehicle and supported by the lifting link mechanism and lifted in a parallel or substantially parallel posture. And a lifting frame that is operated in a lowered state that is lowered to the ground side outside the vehicle and a raised state that is housed in the vehicle inward side,
The mechanical counter is provided at a laterally outer side portion of the elevating link mechanism in a state of being supported by a support frame continuously provided from the base frame .

In other words, the number of times of raising and lowering the mounting body is provided, and the number of times of raising and lowering the mounting body is provided, and the number of times of raising and lowering the display is displayed on the display unit. Therefore, the number of times the mounting body is raised and lowered that requires maintenance work for parts replacement, etc. is determined, and the maintenance work is performed when the number of times the mounting body is raised and lowered reaches the predetermined number. Maintenance work can be performed at an appropriate timing according to the number of times of raising and lowering the body, and maintenance work such as replacement of parts can be performed at an appropriate time.
Accordingly, it has become possible to provide a vehicular lifting apparatus that can perform maintenance work at an appropriate time.

Also , there is provided an ascending / descending frequency counting means for counting the ascending / descending frequency of the mounting body and displaying the counted ascending / descending frequency on the display unit, and by confirming the display unit, the ascending / descending frequency of the mounting body can be known. Therefore, the number of times the mounting body is raised and lowered that requires maintenance work for parts replacement, etc. is determined, and the maintenance work is performed when the number of times the mounting body is raised and lowered reaches the predetermined number. Maintenance work can be performed at an appropriate timing according to the number of times of raising and lowering the body, and maintenance work such as replacement of parts can be performed at an appropriate time.
Accordingly, it has become possible to provide a vehicular lifting apparatus that can perform maintenance work at an appropriate time.

The second characteristic configuration of a vehicle lifting device according to the present invention, Te first characterizing feature smell, to the base before SL lifting link mechanism, the shaft-like body that is connected to rotate integrally with its rotational axis around, the elevating link mechanism in a state extending laterally outward disposed et al is of previous SL counted for moving member, mounted for reciprocating rotational movement in the shaft-like body, for counting the operated body for the counting It is in the point comprised so that a press movement operation may be carried out.

That is, by changing the posture of the lifting link mechanism to the inverted posture and the standing posture with respect to the base frame fixed on the vehicle side, the lifting frame is moved up and down in a parallel or substantially parallel posture to operate in the lowered state and the raised state. The mounting body is moved up and down between a raised position and a lowered position, and a mechanical counter is provided in a state of being supported by a support frame continuously provided from the base frame, and the rotating shaft is provided at the base of the lift link mechanism. A counting moving member is attached so as to reciprocally rotate and move to a shaft-like body connected so as to rotate integrally around the core.
That is, the mechanical counter is supported by the base frame of the lifting operation means via the support frame, and the moving member for counting is attached to the lifting link mechanism of the lifting operation means via the shaft. That is, since the lifting operation means and the mechanical counter are supported by a common base frame, the mechanical counter can be accurately attached to the lifting operation means in an appropriate state.
Accordingly, it has been possible to provide a vehicle lifting apparatus that can accurately attach the mechanical counter to the lifting operation means in an appropriate state.

According to a third characteristic configuration of the vehicle lifting apparatus according to the present invention, in the second characteristic configuration, a cover body that covers the mechanical counter and the counting moving member from above is supported by the support frame. Provided, the mechanical counter is installed in a state in which the indicator is positioned on the upper side, and a confirmation window for confirming the indicator is provided on the upper wall portion of the cover body at a position directly above the indicator. It is in the point formed in the location displaced rather than the said raising / lowering link mechanism side.

That is, since the mechanical counter and the moving member for counting are covered with the cover from above, the appearance is good and damage can be suppressed, and the operator who checks the display However, the confirmation window for confirming the display device is biased to the lift link mechanism side rather than the location directly above the display device. Since it is formed at the position where it is positioned, the indicator can be easily confirmed from the lifting link mechanism side.
Therefore, it has become possible to provide a vehicular lifting device that has a good appearance, suppresses damage, and is easy for the display device to check.

According to a fourth characteristic configuration of the vehicular lifting apparatus according to the present invention, in the second characteristic configuration or the third characteristic configuration, the driving actuator that lifts and lowers the lifting link mechanism and the counting object to be operated are detected. , A swing posture detecting means for detecting that the lift link mechanism is in a swing posture corresponding to the lowered position and a swing posture corresponding to the raised position, a lift command, and the swing posture Control means for controlling the operation of the drive actuator based on the detection information of the detection means is provided.

That is, when an up / down command is commanded, the drive actuator is operated to raise / lower the up / down link mechanism, and the up / down link mechanism is in a swinging posture corresponding to the lowered position or the up As the swinging posture corresponding to is detected, the operation of the drive actuator is stopped, and the member that the swinging posture detecting means detects and the detected object of the mechanical counter are moved by pressing. By also using the member to be operated, the configuration can be simplified.
Therefore, the vehicle lifting apparatus capable of simplifying the configuration can be provided.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a vehicle lifting apparatus according to the present invention will be described below with reference to the drawings.
As shown in FIGS. 1 and 2, the vehicle lifting device L is mounted and used in the rear part of a vehicle V such as a wagon car provided with an opening / closing door D that opens and closes a rear opening O. A flat plate-like mounting body 1 on which the wheelchair C is mounted, and a lowering position of the mounting body 1 on or near the ground G and the floor surface F of the vehicle V, or substantially the same height. Ascending / descending operation means S is provided to perform the ascending / descending operation in a parallel or substantially parallel posture to the ascending position.
This lifting operation means S is operated by swinging up and down with respect to the base frame 7 connected and fixed on the floor F of the vehicle V and the base frame 7 fixed to the vehicle side, and through the opening O on the vehicle side. A parallel quadruple link type lifting link mechanism 4 whose posture is changed to a lying posture that protrudes outward from the vehicle and a standing posture that retreats toward the vehicle inward side, and the above-described mounting body 1 slide along the vehicle internal / external direction. A lowered state that is supported movably and supported by the elevating link mechanism 4 and is raised or lowered in a parallel or substantially parallel posture, and is lowered to the ground G side outside the vehicle, and an elevated state that is stored inside the vehicle And a hydraulic cylinder 5 serving as a drive actuator for moving the lifting link mechanism 4 up and down.

Next, the vehicle elevating device L will be described in detail. For convenience, the vehicle front-rear direction of the vehicle V may be referred to as the vehicle in-out direction, and the vehicle front side may be referred to as the vehicle inward side and the vehicle rear side as the vehicle outer side. In the state where the front (inward) is viewed from the rear (outward), the left and right directions are specified with one side in the vehicle lateral direction as the left side and the other side as the right side.
In addition, although the left and right members have the same configuration, the left and right members have substantially the same configuration. Therefore, only one of the left and right sides will be described, and members having different configurations on the left and right will be described each time.

As shown in FIGS. 2 to 4, the base frame 7 includes a pair of front and rear base frame members 7 a in a posture along the vehicle lateral width direction, and a left and right standing frame extending between the pair of front and rear base frame members 7 a. A pair of base frame side brackets 7b is provided.
A pair of left and right rails 17 for guiding and supporting the mounting body 1 is provided on the floor surface F of the vehicle V. Each of the pair of left and right rails 17 has a rear end connected to the base frame 7. The inner side end is connected to the connecting frame 18 in a posture along the vehicle lateral width direction.

The elevating link mechanism 4 includes an upper link member 9 and a lower link member 10, and a base end portion of the upper link member 9 is pivotally connected to the base frame side bracket 7 b via the first pin 11. The distal end portion of the upper link mechanism 9 is pivotally connected to the arm side bracket 3a via the third pin 14, and the base end portion of the lower link member 10 is connected to the base frame side bracket via the second pin 12. The lower link member 10 is pivotally connected to the arm side bracket 3a via the fourth pin 15 in a pivotal manner.
The arm side bracket 3a is provided at the upper end portion of the arm portion 3 extending upward in the elevating frame 2. The elevating link mechanism 4 is covered with a link cover 8.

The hydraulic cylinder 5 is configured as a reciprocating cylinder. As shown in FIG. 3, the cylinder body side is pivotally connected to the base frame side bracket 7 b of the base frame 7 via the second pin 12. The rod side is pivotally connected to the arm portion 3 of the lifting frame 2 via the third pin 14.
Then, as shown in FIG. 9A, by shortening the hydraulic cylinder 5, the posture of the elevating link mechanism 4 is changed to an inverted posture projecting outward of the vehicle V, and the mounting body 1 is on the ground G. Alternatively, as shown in FIGS. 9 (b) and 9 (c), the elevating link mechanism 4 is accommodated on the vehicle V side by being lowered and moved downward and extending the hydraulic cylinder 5, as shown in FIGS. The placement first is configured to move upward to an upper position on the floor surface F.

As shown in FIGS. 1 and 2, the elevating frame 2 is configured by connecting the lower end of the arm portion 3 to the upper end of the side wall that is erected at both ends in the lateral direction of the vehicle. It is formed in a U shape with the upper part opened in a direction view. In addition, the attachment part of the arm part 3 and a side wall part is covered with the cover 13 for support frames.
Further, the elevating frame 2 is provided with a slide electric motor 27 that rotationally drives a pinion (not shown) that meshes with a rack (not shown) provided on the mounting body 1 in a posture along the vehicle longitudinal direction. In the state where the mounting body 1 is moved up to the ascending position, the mounting body 1 is driven by the vehicle V as shown in FIG. A sliding movement operation is performed in the vehicle front-rear direction with respect to the elevating frame 2 over the inward storage position and the protruding position protruding outward from the vehicle V as shown in FIG. When the mounting body 1 slides between the retracted position and the protruding position, a rail idler roller (not shown) rolls on a pair of left and right rails 17 provided on the floor F of the vehicle V. Is configured to do.

In addition, at the edge of the elevating frame 2 on the vehicle inner side, the wheelchair C is prevented from standing up and swinging upward to prevent the wheelchair C from moving forward from the vehicle inner edge of the mounting table 1. A flat plate-shaped front receiving body 37 is provided in such a manner that it can swing up and down in a posture and an allowable posture in which the wheelchair C is tilted and swung forward to allow the wheelchair C to move forward from the mounting table 1.
The front receiving body 37 is pivotally attached to the edge of the lifting frame 2 on the vehicle inner side so that the base end can swing freely.
As the mounting body 1 is slid to the storage position, it is switched to the storage position that is substantially horizontal, and as the mounting body 1 is slid to the protruding position, it is switched to the standing posture that is substantially vertical. In addition, the mounting body 1 is configured to be switched between an allowable posture and a standing posture as the mounting body 1 slides in the vehicle longitudinal direction with respect to the lifting frame 2.

Then, a blocking posture that is swung upward to receive and block the wheelchair C from moving toward the rear side of the vehicle outer side edge of the mounting table 1 at the vehicle outer side edge of the mounting table 1. And the wheelchair C as a receiving body that can swing up and down in an allowable posture in which the wheelchair C is tilted and swung backward to allow the wheelchair C to move backward from the mounting table 1 and in a retracted posture in which the wheelchair C is tilted and swung forward. A flat plate-shaped rear receiving body 38 is provided.
The receiving body 38 is pivotally attached to the edge of the mounting body 1 on the vehicle outer side so as to be swingable.
Then, the manual operating tool 39 for switching the rear receiving body 38 has a holding position where the holding means (not shown) holds the rear receiving body 38 in the blocking posture, and the holding means is in the holding released state. When the manual operation tool 39 is moved to the holding position, the rear receiving body 38 is held in the blocking posture so as to be movable to the holding release position. When the manual operating tool 39 is moved to the holding release position, the holding of the rear receiving body 38 is released by the holding means, and the rear receiving body 38 is manually moved to the blocking posture, the allowable posture, and the retracted posture. The posture can be changed.

  As shown in FIG. 2, the vehicle elevating device L includes a seat belt device 52 that holds a passenger seated in the wheelchair C on the wheelchair C, a handrail 46 held by the passenger seated in the wheelchair C, An illuminating device 51 that irradiates the display body 1 and a fixing device 56 that fixes the wheelchair C to the display body 1 are provided.

In addition, the vehicle lifting device L includes a mechanical counter as a lifting / lowering counting means for counting the number of times the lifting / lowering of the mounting body 1 is counted and displaying the counted number of lifting / lowering on a mechanical display 62 as a display unit. 5 to 8, the mechanical counter 61 includes a main body portion 63 including the display device 62, and an operation target for counting provided in the main body portion 63. The operation lever 64 is configured to change the display number of the display 62 as the operation lever 64 is moved for counting.
A dog plate 65 as a counting moving member that moves in accordance with the lifting operation of the lifting operation means S is provided so as to move the operation lever 64 for counting.

And the shaft-like body 66 connected so that it may rotate integrally around the rotating shaft center at the base part in the said raising / lowering link mechanism 4 is provided in the state extended in the lateral outer side of the said raising / lowering link mechanism 4,
The mechanical counter 61 is provided in a state supported by a support frame 67 continuously provided from the base frame 7 at a laterally outer side portion of the elevating link mechanism 4.
The dog plate 65 is attached to the shaft-like body 66 so as to reciprocate and move, and is configured to press and move the operation lever 64 for counting.

Next, the mechanical counter 61 and the dog plate 65 will be described.
The shaft-like body 66 is connected to the right end portion (outer side end portion) of the second pin 12 so as to rotate integrally with the second pin 12 in the right lift link mechanism 4, and the right lift link It is provided in a state extending to the right side of the mechanism. And the dog board 65 is connected so that it may rotate integrally with the right end part of this shaft-like body 66, and it is comprised so that it may rotate around the axial center along a vehicle lateral width direction.
A support frame 67 is erected on the right end portion of the base frame 7 so as to cover a pair of front and rear base frame members, and the support frame 67 is configured in a plate shape extending in the front-rear direction in a posture along the vertical direction. The mechanical counter 61 is positioned on the outer right side of the lifting link mechanism 4 on the right side and on the rear side of the dog plate 65 (on the vehicle lifting / lowering device in the vehicle lateral width direction). It is supported on the surface facing away from the center side.

The mechanical counter 61 is provided with an operation lever 64 that is swingable between a pressing release posture and a pressing movement posture and is biased toward the pressing release posture. The mechanical counter 61 includes an operation lever. 64 is installed in a state of swinging around the axis along the vehicle lateral direction.
The mechanical counter 61 is installed in a state where the display 62 is positioned on the upper side so that the display 62 faces upward.
Incidentally, the mechanical counter 61 is not provided with means for resetting (returning to 0) the numerical value displayed on the display 62, and is configured so as not to be reset.

The dog plate 65 is provided with a counting dog 65c. In this dog plate 65, the lifting link mechanism 4 changes its posture from the inverted posture side to the standing posture side, and the mounting body 1 is in the raised position. Or, when it moves up to the vicinity, it rotates clockwise in the right side view and moves the counting dog 65c downward, so that the operation lever 64 in the pressing release posture is pressed down and moved to the pressing movement posture. If the lifting / lowering link mechanism 4 is changed from the standing posture to the inverted posture and the mounting body 1 is moved downward from the raised position or the vicinity thereof toward the lower position side, it is counterclockwise when viewed from the right side. And the counting dog 65c is moved upward to release the operation lever 64 in the pressing movement posture from the pressing operation. Incidentally, the operation lever 64 is configured to return to the pressing release posture when released from the pressing operation from the dog plate 65.
The mechanical counter 61 moves the operating lever 64 for counting on the dog plate 65 as the mounting body 1 moves up to or near the ascending position, that is, on the dog plate 65. Then, the operation lever 64 is pressed and moved to the pressing movement posture, and accordingly, the display number of the display device 62 is changed to be increased by one. In short, the mechanical counter 61 is configured to count the ascending / descending movement of the mounting body 1 at or near the ascending position as the number of times the mounting body 1 is moved up and down.

A counter case 70 serving as a cover body covering the mechanical counter 61 and the dog plate 65 from above is provided in a state of being supported by the support frame 67.
In other words, a hole 70a through which the shaft-like body 66 and the base frame 7 are inserted is formed in the left side wall portion of the counter case 70, and the right end portions of the shaft-like body 66 and the support frame 67 are disposed in the counter case 70. The counter case 70 covers the mechanical counter 61 and the dog plate 65, and the support frame 67 erected on the right end of the base frame 7 is placed on the left side wall portion of the counter case 70. By connecting to the counter case 70, the counter case 70 is indirectly connected to the base frame 7.
The location where the confirmation window 70b for confirming the display 62 is displaced on the lifting link mechanism 4 side and the vehicle rear side from the location just above the display 62 on the upper wall portion of the counter case 70 Is formed.
Incidentally, the counter case 70 is made of resin or metal that does not transmit light.

As swinging posture detection means for detecting that the lifting link mechanism 4 is swinging posture corresponding to the lowered position and swinging posture corresponding to the raised position by detecting the action on the dog plate 65. The lift position detecting means 21 is configured to detect the lift position of the mounting body 1 with respect to the vehicle V by detecting the swinging posture of the lift link mechanism 4. Has been.
The raising / lowering position detection means 21 includes an ascending limit switch 21a and a descending limit switch 21b, and the ascending limit switch 21a is pressed by an ascending dog 65a provided on the dog plate 65. The lower limit switch is arranged so as to be pressed by a lowering dog 65b provided on the 21b dog plate 65.

That is, when the lifting link mechanism 4 is in the swinging posture corresponding to the raised position, the mounting body 1 is raised to the raised position, and when the placing body 1 is lowered to the lowered position in this way, the lifting dog 65a When the ascending side limit switch 21a is pressed, the elevating link mechanism 4 is in a swinging posture corresponding to the ascending position by the ascending side limit switch 21a (the mounting body 1 is located at the ascending position). Is detected, and when the elevating link mechanism 4 is in the swinging posture corresponding to the lowered position, the mounting body 1 is lowered to the lowered position, and when the placing body 1 is raised to the raised position in this manner, the lowering is performed. When the lower limit switch 21b is pressed by the dog 65b, the lifting link mechanism 4 is in the swinging posture corresponding to the lowered position by the lower limit switch 21b (the mounting body 1 is located at the lowered position). Being) is detected.
And the raising / lowering position detection means 21 is comprised so that the detection information according to it may be output, when the raising side limit switch 21a or the lowering side limit switch 21b is pressed.
Incidentally, the upper limit switch 21a, the lower limit switch 21b, and the operation lever 64 are provided on the front side of the dog plate 65 so as to overlap each other in the vertical direction.

  Further, a slide position detecting means 22 (see FIG. 9) for detecting the slide position of the mounting table 1 with respect to the lifting frame 2 is provided, and although detailed description thereof is omitted, the slide position detecting means 22 includes a plurality of limit switches. (Not shown) and a detection piece (not shown). As the mounting table 1 slides to the protruding position or the storage position and the detection piece comes into contact with the limit switch, detection information corresponding to the detection piece Is configured to output.

  As shown in FIG. 1, a pendant type operation tool 68 is provided as command means for instructing ascending / descending commands for the ascending and descending movements of the mounting body 1. 1 includes a lowering button 68a for instructing a downward movement of 1 and a rising button 68b for instructing an upward movement of the mounting body 1, and is configured to output an elevation command as each button is pressed. Has been.

Control means H for controlling the operation of the hydraulic cylinder 5 is provided on the basis of the elevation command from the pendant type operation tool 68 and the detection information of the swing posture detection means.
As shown in FIG. 9, the control device H includes command information of the pendant operation tool 68, detection information from the lift position detection means 21 that detects the height of the mounting body 1 with respect to the vehicle V, and the mounting body 1. The operation of the hydraulic cylinder 5 and the sliding electric motor 27 is controlled based on detection information from the slide position detecting means 22 for detecting the slide position with respect to the lifting frame 2. Incidentally, a pump electric motor 20 is linked to the hydraulic pump 6 that supplies hydraulic oil to the hydraulic cylinder 5, and the control device H controls the operation of the hydraulic cylinder 5 by controlling the operation of the pump electric motor 20. Is configured to control.
The control device H is provided together with the hydraulic pump 6 in a control device case 69 provided on the left side in the vehicle lateral direction with respect to the pair of left and right lifting guide means S in the vehicle V. The case 69 is connected to a support bracket 71 connected to the left end portion of the base frame 7 and is provided in a state of being supported by the support bracket 71.

  Then, in the control device H, the ascending button 68b of the pendant type operation tool 68 is pushed and operated in a state where the mounting body 1 is located at the lowered position and at the protruding position as shown in FIG. 9 (b), the mounting body 1 is moved upward from the lowered position to the raised position, and then the mounting body 1 is slid from the protruding position to the storage position, and FIG. 9 (c). When the lowering button 68a of the pendant type operation tool 68 is pushed in a state where the mounting body 1 as shown in FIG. 9 is located at the raised position and at the retracted position, as shown in FIG. After the mounting body 1 is slid from the retracted position to the protruding position, the operations of the hydraulic cylinder 5 and the sliding electric motor 27 are controlled so that the mounting body 1 is moved downward from the raised position to the lowered position. It is configured.

[Another embodiment]
( 1 ) In the above embodiment, the mechanical counter 61 is installed with the indicator 62 positioned on the upper side, and the confirmation window 70b for confirming the indicator 62 is formed on the upper wall portion of the cover body 70. However, the confirmation window 70b formed in the cover body 70 may be formed according to the position of the indicator 62 of the mechanical counter 61. For example, the mechanical counter 61 is positioned on the front side. The confirmation window 70b for confirming the display device 62 may be formed on the front wall portion of the cover body 70.
Moreover, in the said embodiment, although the confirmation window 70b was formed in the location shifted on the raising / lowering link mechanism 4 side and the vehicle back side rather than the location just above the indicator 62, the confirmation window 70b is displayed on the indicator Alternatively, the confirmation window 70b may be offset from the position directly above the display 62. Alternatively, the confirmation window 70b may be offset from the position directly above the display 62. You may provide in the location which does not make it (a location right above the indicator 62).

( 2 ) Although the confirmation window 70b is provided in the cover body 70 in the above embodiment, the confirmation window 70b may not be provided in the cover body 70. Incidentally, when the confirmation window 70b is not provided in the cover body 70, the cover body 70 is removed and the display 62 is confirmed.
Moreover, in the said embodiment, although the cover body 70 was provided, the cover body 70 does not need to be provided.

( 3 ) In the above-described embodiment, the swing posture detecting means 21 is configured to detect and act on the counting moving member 65 that moves the operated body 64 of the ascending / descending number counting means 61. The means 21 may be configured to detect a detection moving member provided separately from the counting moving member 65 that moves the operated body 64 of the ascending / descending number counting means 61.
In the above embodiment, the swing posture detecting means 21 is configured by a plurality of limit switches 21a and 21b. However, the swing posture detecting means 21 is configured by another detecting means such as a rotary encoder. Also good.

( 4 ) In the above embodiment, the ascending / descending frequency counting means 61 is configured to count the ascending / descending movement of the mounting body 1 as the ascending / descending number of the mounting body 1. As the number of times the mounting body 1 is moved up and down, the mounting body 1 moves down to the lowered position, the mounting body 1 slides to the storage position, and the mounting body 1 slides to the storage position. May be configured to count. Further, the ascending / descending frequency counting means 61 is used as the number of times the mounting body 1 is moved up and down, and the mounting body 1 passes through an intermediate position between the rising position and the lowering position or the mounting body 1 passes through an intermediate position between the storage position and the storage position. You may comprise so that it may count. Incidentally, when the number of times of raising / lowering counting unit 61 is configured to count the movement of the mounting body 1 to a plurality of positions, the movement of the mounting body 1 to a plurality of positions may be counted separately. Moreover, you may count by adding together that the mounting body 1 moves to a some position.

Perspective view of vehicle lifting device Plan view of the vehicle lifting device Perspective view showing base frame and lifting link mechanism Plan view showing the base frame Plan view of mechanical counter Side view of mechanical counter Rear view of mechanical counter Rear view of mechanical counter Side view showing movement of lifting device for vehicle Control block diagram

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mounting body 2 Elevating frame 4 Elevating link mechanism 5 Drive actuator 7 Base frame 21 Swing attitude | position detection means 61 Mechanical counter (Elevation frequency counting means)
62 Display (display unit)
63 Main body 64 Operated body 65 Moving member for counting 66 Shaft-shaped body 67 Support frame 70 Cover body 70b Confirmation window C Wheelchair F Floor surface G Ground H Controller O Opening portion S Lifting operation means V Vehicle

Claims (4)

Elevating operation for elevating and lowering a plate-like mounting body on which a wheelchair is mounted in a parallel or substantially parallel posture to a descending position on or near the ground and an ascending position that is the same height as or substantially the same as the floor of the vehicle Vehicle elevating device provided with means,
A raising / lowering counting means for counting the number of times of raising / lowering the above-mentioned body and displaying the counted number of times of raising / lowering on a display unit is provided ,
The ascending / descending number counting means includes a main body unit including a mechanical display as the display unit, and a counting operation object mounted on the main body unit, and the counting object is counted. It is configured as a mechanical counter that changes the display number of the indicator as it is moved and operated.
A counting moving member that moves in accordance with the lifting operation of the lifting operation means is provided to move and operate the counting target object for counting,
The raising / lowering operation means is operated to swing up and down with respect to a base frame fixed on the vehicle side, and is brought into a lying posture that protrudes outward from the vehicle through an opening on the vehicle side and an upright posture that retreats toward the inner side of the vehicle. A parallel quadruple link type lifting link mechanism whose posture is changed, and the above-mentioned mounting body is slidably supported along the inside and outside of the vehicle and supported by the lifting link mechanism and lifted in a parallel or substantially parallel posture. And a lifting frame that is operated in a lowered state that is lowered to the ground side outside the vehicle and a raised state that is housed in the vehicle inward side,
A lifting device for a vehicle, wherein the mechanical counter is provided in a state supported by a support frame continuously provided from the base frame at a laterally outer side portion of the lifting link mechanism . A shaft-like body connected to the base of the lift link mechanism so as to rotate integrally around the rotation axis is provided in a state of extending laterally outward of the lift link mechanism,
2. The vehicle according to claim 1, wherein the counting moving member is attached to the shaft-like body so as to reciprocally rotate, and is configured to press and move the counting target object for counting. Lifting device. A cover body that covers the mechanical counter and the counting moving member from above is provided in a state of being supported by the support frame,
The mechanical counter is installed with the indicator positioned on the upper side;
3. The vehicle according to claim 2 , wherein a confirmation window for confirming the display is formed on the upper wall portion of the cover body at a position displaced toward the lifting link mechanism side from a position directly above the display. Lifting device. A drive actuator for raising and lowering the elevating link mechanism;
Swing attitude detection that detects the action of the lifting link mechanism in a swinging attitude corresponding to the lowered position and a swinging attitude corresponding to the ascending position by detecting the action on the object to be counted. Means,
4. The vehicle elevating device according to claim 2, further comprising control means for controlling the operation of the drive actuator based on an elevating command and detection information of the swing posture detecting means .

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