JP2001164777A - Mechanical parking device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mechanical parking device capable of easily obtaining information in regard to an abnormality occurrence part or the abnormal state of an abnormality content or the like in simple constitution. SOLUTION: A sub-operation board 30 is arranged on the rear face side of a pole 18 arranging an operation board 17 as an operation part. A connector part 31 for connecting a maintenance control box 71, a warning sound generation part 32 and an emergency operation switch 33 are arranged on the sub- operation board 30 in order from upward. The maintenance control box 71 has a communication cable 72 and a terminal part 73 inserted into the connector part 31. The maintenance control box 71 is constituted to be read out from an abnormal state detection part 81 expressing the abnormal state produced in a palette moving mechanism part afterward.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mechanical parking device provided with a pallet moving mechanism for moving a pallet on which a vehicle is mounted, and an operation unit for operating the pallet moving mechanism.

[0002]

2. Description of the Related Art As this kind of parking device, for example, one described in Japanese Patent Application Laid-Open No. 10-82195 is known. The mechanical parking device described in Japanese Patent Application Laid-Open No. 10-82195 discloses a pallet having a vehicle storage section and a pallet capable of moving up and down in a pit constituting an underground space for parking a vehicle. It includes an elevating body, a pallet moving mechanism for raising and lowering the pallet elevating body, and an operation panel for operating the pallet moving mechanism. The pallet moving mechanism unit controls a motor that moves the pallet elevating body up and down, various limit switches for detecting the elevating position of the pallet elevating body, and the driving of the motor based on various limit switches and output signals from the operation panel. It is composed of a controller and the like.

[0003]

When an abnormality occurs in the pallet moving mechanism section of the mechanical parking device as described above, the user or the manager calls the abnormality reporting place and calls the pallet moving mechanism. Notifying that an abnormality has occurred in the department, a maintenance staff who has learned that the abnormality has occurred goes to the site, asks the user etc. about the situation of the occurrence of the abnormality, and searches for the location of the abnormality based on past experience and responds That is the current situation.

However, in the above-described method,
The maintenance staff who rushed to the site would have to search for the location where the abnormality occurred based on the information obtained from the users and past experience, so it took a long time to recover. Furthermore, even though the maintenance staff is veteran, it is not always the case that all abnormalities can be completely dealt with, and abnormalities of unknown cause may recur.

[0005] The present invention has been made in view of the above points, and when an abnormality occurs in a pallet moving mechanism, information on an abnormal state such as an abnormality occurrence site or an abnormality content can be easily obtained with a simple configuration. An object is to provide a mechanical parking device that can be acquired.

[0006]

A mechanical parking device according to the present invention comprises a pallet on which a vehicle is mounted, a pallet moving mechanism for moving the pallet, and an operating unit for operating the pallet moving mechanism. Wherein the operation unit has a connector unit to which a diagnostic tool for reading out information on an abnormal state occurring in the pallet moving mechanism unit is connected. Features.

[0007] In the mechanical parking device according to the present invention, since the operating section has the connector section to which the diagnostic tool for reading out information on the abnormal state occurring in the pallet moving mechanism section is connected. By connecting the diagnostic tool to the connector section, a state in which information on an abnormal state occurring in the pallet moving mechanism section can be read out is obtained. Therefore, with an extremely simple configuration having a connector portion to which the diagnostic tool is connected, it is possible to easily obtain information on an abnormal state such as an abnormality occurrence site or an abnormality content.

[0008] Further, it is detected whether or not an abnormality has occurred in the pallet moving mechanism, and when the abnormality is detected, the state of the detected abnormality is stored as abnormality information. It is preferable that the apparatus further includes an abnormal state detection unit that outputs abnormal information as information relating to the abnormal state. In this way, it is detected whether or not an abnormality has occurred in the pallet moving mechanism, and when the abnormality is detected, the state of the detected abnormality is stored as abnormality information,
By providing the diagnostic tool connected to the connector unit with an abnormal state detection unit that outputs abnormal information as information on the abnormal state, information on the abnormal state such as the abnormality occurrence site or the abnormality content is securely stored, It will be output to the diagnostic tool. For this reason, it is possible to accurately and quickly obtain information on the above-described abnormal state.

The abnormal state detecting section determines whether or not a predetermined operation is performed by a diagnostic tool connected to the connector section, and when the predetermined operation is performed, abnormal information is detected by the diagnostic tool. Is preferably output. As described above, the abnormal state detection unit determines whether or not a predetermined operation has been performed with the diagnostic tool connected to the connector unit, and when the predetermined operation has been performed, the abnormality information is transmitted to the diagnostic tool. By outputting the information, the erroneous output of the information on the abnormal state from the abnormal state detecting unit to the diagnostic tool is prevented, and the information on the abnormal state can be acquired more accurately.

It is preferable that the operation section has a storage section for storing the connector section. By employing such a configuration, it is possible to prevent a situation in which the connector portion is damaged due to mischief or the like.

The operation section has a power switch section for operating the pallet moving mechanism section by being operated by a predetermined operation member, and the storage section has an opening on one side. A box body having a connector portion therein, a lid body provided to be openable and closable with respect to the opening, and a lock operated by a predetermined operation member to hold the opening closed by the lid body. And means. By adopting such a configuration, since the opening is kept closed by the lid by the locking means, it is possible to more reliably prevent the connector from being damaged due to mischief or the like. Further, since the locking means can be operated by a predetermined operation member for operating the power switch unit, the locked state of the locking means can be easily released.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a mechanical parking device according to the present invention will be described below in detail with reference to the drawings. In the description of the drawings, the same elements will be denoted by the same reference symbols, without redundant description.

In the embodiment shown in FIGS. 1 to 22, four mechanical parking units having one layer above the ground and two layers below the pit are provided side by side. The multi-story parking device 1 as a mechanical parking device includes a pit P which is a vehicle storage space formed from a road surface G where a vehicle enters and exits to a predetermined depth.
It is provided within.

As shown in FIGS. 1 and 2, the frame of the multi-story parking device 1 stands upright between the left and right and the unit parking devices 1a, 1b, 1c, 1d of the four multi-story parking devices arranged side by side. A total of five front struts 2 provided, a total of five rear struts 3 similarly erected, and a total of five front and rear beams 4 erected between the front struts 2 and the tops of the rear struts 3. And so on.
Four flat rectangular spaces surrounded by two front struts 2 and two rear struts 3 are unit parking devices 1a, 1b,
Spaces 1c and 1d are formed. The multi-story parking device 1
4 provided for each unit parking device 1a, 1b, 1c, 1d
The pallet elevating bodies 11, 12, 13, 14 are provided, and each of the pallet elevating bodies 11, 12, 13, 14 can be individually vertically displaced. Each of the pallet lifters 11, 12, 13, 14 is provided with an upper pallet 11
a, 12a, 13a, 14a, middle pallet 11b, 1
2b, 13b, 14b and lower pallets 11c, 12
c, 13c, and 14c, and the upper pallets 11a, 12a, 13a, and 14a, and the middle pallets 11
b, 12b, 13b, 14b and the lower pallet 11c,
12c, 13c and 14c are integrally connected by four pallet supports 15. In FIG. 1, only the leftmost pallet elevator 11 rises until the lower pallet 11c comes to the position on the road surface G, and the remaining three pallet elevators 1
The state in which the entirety of 2, 13, 14 is stored in the pit P is shown. In FIG. 2, the two pallet elevating bodies 11 and 12 on the left side of the multi-story parking device 1 are disclosed, and the disclosure of the two pallet elevating bodies 13 and 14 on the right side is omitted. I have. Here, the pallet lifting body 11,
12, 13, and 14 constitute the pallets in each claim.

Each pallet elevating body 11, 12, 13, 14
Lifting mechanism is known per se, for example,
It is as follows. Each pallet lifting body 11, 12, 13,
Although not shown, 14 denotes lower pallets 11c and 12
c, 13c, 14c, which are supported by two roller chains extending in the width direction so as to be able to ascend and descend on the lower surfaces thereof, near the upper portions of the rear posts 3 on one side with respect to the pallet elevating bodies 11, 12, 13, and 14. Motor units 16a, 16
By operating the chain sprocket mechanism by the vertical drive of b, 16c and 16d, the pit P is raised and lowered. Each drive motor section 16a, 16
Each of b, 16c, and 16d is entirely covered with a cover, and has a motor (not shown) inside. Each of the drive motor sections 16a, 16b, 16c, 16d may have a fireproof structure covered with a steel fireproof cover having glass wool of a predetermined thickness adhered to the back surface.

In front of the leftmost front and rear beams 4, a pole 18 having an operation panel 17 as an operation section is provided upright at an upper end thereof. As shown in FIGS. 3 and 4, the operation panel 17 includes, in order from the top, a lower elevation switch 23 as an elevation operation unit, a middle elevation switch 24 as an elevation operation unit, and a descending operation as an elevation operation unit. Switch 25
And a selection switch 26 as a selection operation unit, a power switch 27 as a power switch unit, a power light 28 and a landing confirmation light 29. The pole 18 is provided with a protection plate C for protecting the operation panel 17 from rainwater or the like. FIG. 4 shows a state in which the protection plate C and a storage section 34 described later have been removed.

The power switch 27 is for turning on the power, and outputs an ON signal when the power key K1 is inserted and turned to the "on" side. The lower lift switch 23 is connected to the lower pallets 11c, 12c, 13
The pallet lifters 11, 12, 13, and 14 are raised so that the c and 14c are at the height of the road surface G.
Outputs N signal. The middle lift switch 24 is for raising the pallet lifting bodies 11, 12, 13, 14 so that the middle pallets 11b, 12b, 13b, 14b are at the height of the road surface G. When pressed, an ON signal is output. The down switch 25 is used to move the pallet lifter 1 in the raised position.
1, 12, 13 and 14 are lowered, and are turned on by pressing a switch unit composed of a push button.
Output a signal. The selection switch 26 is used to select the pallet lifting bodies 11, 12, 13, and 14 to be raised and lowered.
A signal corresponding to the selected position of the selection switch 26 is output. Here, the power key K1 forms a predetermined operation member in each claim.

The power lamp 28 is turned on when the power switch 27 is operated and the power is turned on so as to confirm that the power is turned on. The landing confirmation light 29 is used when the pallet lifting body 11, 12, 13, 14 lands so as to confirm that the pallet lifting body 11, 12, 13, 14 is landing (downward to the lowest position). The light is turned off when the pallet lifters 11, 12, 13, 14 are in the raised position.

On the back side of the pole 18 on which the operation panel 17 is disposed, as shown in FIG. 4, a sub-operation panel 30 as an operation section is disposed. The sub operation panel 30 includes a connector unit 31 for connecting a maintenance control box 71 as a diagnostic tool in order from the top, a warning sound generation unit 32 as a notification unit for generating a warning sound such as a buzzer sound, and an emergency sound generation unit. Emergency operation switch 3
3 are provided. The emergency operation switch 33 is used to release the interlock function, and has a switch section composed of a push button that can be directly operated by the operator's hand, and is turned on when this switch section is pressed. Output a signal. When the emergency operation switch 33 is operated to release the interlock function, and the pallet movement prohibition release signal is output from the operation state changing unit 83, which will be described later, the warning sound generation unit 32 outputs the pallet lift 1
A warning sound is issued so as to notify that the state has been shifted to a movable state in which 1, 12, 13, and 14 are movable.

Control box 71 for maintenance
Has a communication cable 72 and a terminal portion 73 to be inserted into the connector portion 31 as shown in FIG. In addition, the control box 71 for maintenance
Is connected to the connector unit 31 so that information on an abnormal state occurring in the pallet moving mechanism unit can be read from an abnormal state detection unit 81 described later. On the upper surface 74 of the control box 71, as shown in FIG.
An operation key unit 75 including a plurality of keys and a display unit 76 on which information such as abnormality information is displayed are provided. The maintenance person inserts the terminal portion 73 into the connector portion 31, connects the control box 71 for maintenance, and inputs a predetermined code using the keys of the operation key portion 75, thereby obtaining information on abnormal information or normal information. Perform such maintenance work.

FIG. 6 shows the position where the sub operation panel 30 is disposed.
As shown in FIG. 9, a storage section 34 is provided. The storage portion 34 has an opening 35a on one surface, and has a box 35 for storing the connector portion 31, the alarm sound generating portion 32, and the emergency operation switch 33 therein, and is provided to be openable and closable with respect to the opening 35a. It has a lid 36 and a locking operation section 37 which is operated by the power key K1 and serves as locking means for holding the opening 35a closed by the lid 36.

The box body 35 is formed in a rectangular shape in plan view having an opening 35a opened rearward (upward in FIG. 7), and the surface facing the opening 35a is formed by a pole 18 with bolts or the like. It is mounted and fixed. On the surface fixed to the pole 18, a box 35 is attached to the pole 18.
An oval opening 35b is formed so that the connector portion 31, the warning sound generating portion 32, and the emergency operation switch 33 face the inside of the box 35 when the device is fixedly mounted. A projecting piece 35c is fixed to one side (the right side in FIG. 9) of the box 35 by welding or the like.

A lid 36 is rotatably attached to the other side (left side in FIG. 9) of the box 35 opposite to the side where the protruding piece 35c is provided via a hinge 38. The body 36 can be opened and closed with respect to the opening 35a. This lid 36
Is formed in a square shape in plan view so as to cover a portion of the box 35 on which the opening 35a is formed.
7 are provided. The lock operation unit 37 is provided with a power key K1.
Has a lock hole 37a which can be inserted and a locking piece 37b which can be engaged with the protruding piece 35c. When the power key K1 is inserted into the lock hole 37a and rotated, the locking piece is formed. 37b is configured to rotate. Therefore, in a state where the opening 35a is closed by the lid 36,
By inserting the power key K1 into the lock hole 37a and rotating it in a predetermined direction, as shown in FIG.
And the locking piece 37b can be engaged, the rotation of the lid 36 is prohibited, and the state where the opening 35a is closed by the lid 36 is maintained. The locking operation unit 37 is
In addition to the power key K1, a tool such as a coin or a driver is inserted into the lock hole 37a and turned, so that the locking piece 37b is turned.

On the other hand, when the protruding piece 35c and the locking piece 37b can be engaged with each other, the power key K1 is inserted into the lock hole 37a and turned in a direction opposite to the above-mentioned predetermined direction to thereby protrude. The state in which the engagement between the piece 35c and the locking piece 37b is released is released, and the lid 36 becomes rotatable. Therefore, the projecting piece 35c and the locking piece 37b
When the lid 36 is unlocked and the lid 36 is rotatable, the operator can directly operate the emergency operation switch 33 by rotating the lid 36 to open the opening 35a. Become.

As shown in FIG. 2, a landing limit switch 41 for detecting the positions of the pallet lifting members 11, 12, 13, and 14, a middle limit switch 42, The lower limit switch 43 and the overtravel switch 44 are connected to each pallet lift 1
1, 12, 13, and 14 are provided. The landing limit switch 41 is connected to each of the pallet lifters 11, 12,
This is for detecting that the pallets 13 and 14 have landed, and when each of the pallet elevating bodies 11, 12, 13 and 14 lands, it comes into contact with a part of the upper pallets 11 a, 12 a, 13 a and 14 a to perform an ON operation. I do. Middle limit switch 4
2 is a pallet lifting body 11, 1 until the middle pallets 11b, 12b, 13b, 14b reach the height of the road surface G.
2, 13 and 14 for detecting that the pallets 11b, 12b, 13b and 14b have reached the height of the road surface G.
When the pallets 13 and 14 rise, the middle pallets 11b and 12
b, 13b, and 14b, and is turned on by contacting a part of them. The lower limit switch 43 is connected to the lower pallet 11c, 1
This is for detecting that each pallet lifting body 11, 12, 13, 14 has been raised until 2c, 13c, 14c reaches the height of the road surface G, and the lower pallets 11c, 12c,
When each of the pallet lifting members 11, 12, 13, and 14 rises until 13c and 14c reach the height of the road surface G, they come into contact with a part of the lower pallets 11c, 12c, 13c, and 14c to perform the ON operation. The overshoot detection switch 44 is for detecting that the pallet elevating bodies 11, 12, 13, 14 have gone too far, and the pallet elevating bodies 11, 12, 1
When 3 and 14 go beyond a predetermined position, they come into contact with some of the upper pallets 11a, 12a, 13a and 14a to be turned ON.

Behind the front and rear beams 4, as shown in FIG. 2, control panels 51a, 51b, 51 for controlling the vertical drive of the drive motor units 16a, 16b, 16c, 16d.
A total of four members c, 51d are provided for each of the pallet lifters 11, 12, 13, 14 (drive motors 16a, 16b, 16c, 16d) in a state facing the road surface G (ground). I have. A main control unit 52a for controlling the entire multi-story parking device 1 is provided on the leftmost control panel 51a,
The remaining three control panels 51b, 51c, and 51d include sub-control units 52b for driving and controlling the drive motor units 16a, 16b, 16c, and 16d for the pallet elevating bodies 11, 12, 13, and 14, respectively. 52c and 52d are provided.

A power supply circuit section (not shown) is provided on the leftmost control panel 51a, and a primary-side power supply line 61 from a power supply source is connected to the power supply circuit section. Is supplied. The power supply circuit section supplies the power supply voltage (AC
200 volts) to the main controller 52a and the sub controller 52.
It has a power conversion unit for converting power to the power for b, 52c, and 52d (24 VDC). Control panels 51a, 51b,
The relay power supply line 62 is connected between 51c and 51d (in FIG. 2, only the relay power supply line 62 connecting the control panel 51a and the control panel 51b is disclosed). The relay power line 62 is connected to the sub-control unit 52b converted by the power conversion unit,
It is composed of a control system power line for supplying power (DC 24 volts) for 52c and 52d, and a power system power line (AC 200 volts) for supplying motor driving power. Each control panel 51a, 51b, 51c, 51d and each drive motor unit 16a, 16b, 16c, 16d are connected by a power system power line 63, and each drive motor unit 16
The drive power is supplied to a, 16b, 16c, and 16d. Note that a fire-resistant electric wire can be used for the primary-side lead-in power supply line 61 and the power system power supply line 63, and a heat-resistant electric wire can be used for the control system power supply line.

As shown in FIG. 10, the main control unit 52a includes a landing limit switch 41, a middle-stage limit switch 42, a lower-stage limit switch 43, an overshoot detection switch 44, a lower-stage ascent switch 23, and a middle-stage ascent switch 24. , The down switch 25, the selection switch 26, the power switch 27, the connector unit 31 (control box 71 for maintenance), the emergency operation switch 33, the power light 28, the landing confirmation light 29, and the warning sound generation unit 32 are connected to the control system signal line 64. And a landing limit switch 41, a middle-stage limit switch 42, a lower-stage limit switch 43, an overshoot detection switch 44, a lower-stage ascent switch 23, a middle-stage ascent switch 24, a down switch 25, a selection switch 26, and a power source. Switch 27, connector 31 (maintainer Scan for the control box 71),
The output signal from the emergency operation switch 33 is
a. Also, a power light 28 and a landing confirmation light 29
A lighting control signal for turning on or off is supplied from the main control unit 52a to the power lamp 28 and the landing confirmation lamp 29, and a warning sound control signal for generating a warning sound or prohibiting the generation from the warning sound generating unit 32. Is supplied from the main control unit 52a to the warning sound generation unit 32. Further, a signal such as an abnormality information signal described later is transmitted from the main control unit 52a to the connector unit 31.
(Maintenance control box 71).

The main controller 52a is also configured to control the drive of the drive motor 16a of the leftmost pallet lift 11 and is connected to the drive motor 16a via a control system signal line. The driving signal for controlling the driving state of the motor is supplied to the driving motor unit 16a. A control system signal line connecting the main control unit 52a and the drive motor unit 16a is wired along a power system power supply line. Note that a heat-resistant electric wire can be used as a control signal line that connects the main control unit 52a and the drive motor unit 16a.

As shown in FIG. 10, each of the sub-control units 52b, 52c and 52d includes a landing limit switch 41,
The middle limit switch 42 and the lower limit switch 43 are connected via a control system signal line 64, and the landing limit switch 41, the middle limit switch 4
2. The output signals from the lower limit switch 43 and the overshoot detection switch 44 are output from the sub-control units 52b, 52c,
52d. Further, each of the sub-control units 52b, 52
c and 52d are each drive motor unit 1 via a control system signal line.
6b, 16c, and 16d, and a drive signal for controlling the drive state of the motor is provided to the drive motor units 16b, 16d.
16c and 16d. Each sub control unit 52b, 52
Each control system signal line connecting c, 52d and each drive motor unit 16b, 16c, 16d is wired along each power system power line. Each of the sub-control units 52b, 52c, 5
A heat-resistant electric wire can be used for each control system signal line connecting the 2d and each of the drive motor units 16b, 16c, 16d.

The main control unit 52a and the sub-control units 52b, 52
c and 52d are connected via a control system signal line 64, and a pallet elevating body 12, 1 is sent from the main controller 52a.
A command signal or the like for starting the ascent / descent operation of the sub-controllers 3 and 14 is supplied to each of the sub-control units 52b, 52c and 52d. In addition to the output signals from the switch 42, the lower limit switch 43, and the overshoot detection switch 44, each drive motor unit 16b, 16c, 1
A signal or the like indicating the operation state of 6d is supplied to the main control unit 52a. Main control unit 52a and sub-control units 52b, 52
The control signal lines connecting the control signals c and 52d are arranged along the relay power supply line 62. Note that a heat-resistant electric wire can be used as a control signal line that connects the main control unit 52a and each of the sub-control units 52b, 52c, and 52d.

In this embodiment, the landing limit switch 41, the middle limit switch 42, the lower limit switch 43, the overshoot detection switch 44, the drive motor units 16a, 16b, 16c, 16d, and the control panel 51a.
(Main control unit 52a), control panels 51b, 51c, 51d
The (sub-control units 52b, 52c, 52d), the roller chain, the chain sprocket mechanism, and the like constitute a pallet moving mechanism for moving (elevating) the pallet elevating bodies 11, 12, 13, and 14.

The control panels 51a, 51b, 51c, 5
1d, when the above-mentioned fireproof cover is used as the cover of the drive motor sections 16a, 16b, 16c, 16d, each of the relay power lines 6 formed on the fireproof cover or the like.
2. It is preferable to fill a gap between the penetrating portions of the power system power supply lines 63 and the like with a refractory putty to close the gap between the penetrating portions.

Next, the main control unit 52a and each sub control unit 52
The operations of b, 52c, and 52d will be described with reference to FIGS.

FIG. 11 shows a main control operation performed by the main control section 52a. First, in S101, an output signal from the power switch 27 is read and the power switch 27 is read.
Whether the ON signal is output from the power switch 27, that is, the operator inserts the power key K1 into the power switch 27, and
It is determined whether or not it has been turned to the side. Power switch 27
When the ON signal is not output from the controller (“N” in S101)
o "), and proceeds to S103. In S103, a lighting control signal is output to a driver circuit (not shown) of the power lamp 28 so as to turn off the power lamp 28. Thereafter, the routine returns without shifting to the motor drive control.

The operator sets the power switch 27 to the power key K1.
And turn it to the “ON” side to turn on the power switch 27.
Output an ON signal ("Ye" in S101).
s "), the process proceeds to S105, and a lighting control signal is output to a driver circuit (not shown) of the power lamp 28 so as to light the power lamp 28. Thereafter, the process proceeds to S107, in which a signal from a pallet movement prohibition unit 82 described later is read, and it is determined whether or not a movement prohibition signal is output from the pallet movement prohibition unit 82. Pallet movement prohibition unit 82
If a movement prohibition signal is output from the controller ("Yes" in S107), the routine returns without shifting to the motor drive control. Therefore, when the movement inhibition signal is output from the pallet movement inhibition unit 82, the operation state of the pallet movement mechanism unit is changed to the pallet lifting units 11, 12, 13,
The state is shifted to a movement prohibited state in which the movement (elevation) of the pallet 14 is prohibited, and it becomes impossible to move (elevate) the pallet elevating bodies 11, 12, 13, and 14. On the other hand, the output of the movement inhibition signal from the pallet movement inhibition unit 82 is inhibited,
If the movement prohibition signal has not been output ("N" in S107)
o "), and proceeds to S109. Therefore, when the output of the movement inhibition signal from the pallet movement inhibition unit 82 is inhibited, the operation state of the pallet movement mechanism unit is set so that the pallet elevating bodies 11, 12, 13, and 14 can be moved (elevated). The state is shifted to the enabled state.

In S109, the output signal from the emergency operation switch 33 is read, and it is determined whether or not the ON signal is output from the emergency operation switch 33, that is, whether or not the operator has pressed the emergency operation switch 33. Will be determined.
When the ON signal is not output from the emergency operation switch 33 ("No" in S109), the process proceeds to S111. S1
At 11, an alarm sound control signal is output to a driver circuit (not shown) of the alarm sound generation unit 32 so that the alarm sound generation unit 32 inhibits generation of an alarm sound. S113 that follows
Then, the selection switch 26 and each pallet elevating body 11, 1
The output signals from the landing limit switches 41, the middle limit switches 42, and the lower limit switches 43 provided for each of the 2, 13, and 14 are read, and the pallet lift 11 selected by the selection switch 26 is read. , 1
Pallet lifts 11, 12, 1 other than 2, 13, 14
It is determined whether or not 3, 14 is in the raised position.

The pallet elevators 1 other than the pallet elevators 11, 12, 13, 14 selected by the selection switch 26
1, 12, 13, and 14 are in the raised position (S1
13 "Yes"), the routine returns without shifting to the motor drive control. Therefore, when the pallet elevators 11, 12, 13, 14 other than the pallet elevators 11, 12, 13, 14 selected by the selection switch 26 are in the raised position, the selected pallet elevator 11, 12, 1 is selected.
It becomes impossible to raise and lower 3, 14 and it is in a so-called interlock state. If the pallet lifters 11, 12, 13, and 14 other than the pallet lifters 11, 12, 13, and 14 selected by the selection switch 26 are not at the raised position ("No" in S113), the process proceeds to S115.
The operation shifts to motor drive control.

When an ON signal is output from the emergency operation switch 33 ("Yes" in S109), S117
The alarm sound control signal is output to a driver circuit (not shown) of the alarm sound generation unit 32 so that the alarm sound generation unit 32 generates an alarm sound. Thereafter, the process proceeds to S115, where the process shifts to motor drive control. Therefore, when the operator presses the emergency operation switch 33, S
Regardless of the position of the pallet lifters 11, 12, 13, 14 other than the pallet lifters 11, 12, 13, 14 selected by the selection switch 26, for example, the selected pallet lifter is skipped. 11,12,1
Pallet lifting bodies 11, 12, 13, 14 other than 3, 14
Despite being in the raised position, the selected pallet lifters 11, 12, 13, 14 can be raised and lowered, and the so-called interlock function is released.

In S115, the main control unit 52a or the sub-control units 52b, 52 corresponding to the pallet lifting members 11, 12, 13, 14 selected by the selection switch 26.
c, 52d, the pallet lifting bodies 11, 12, 1
A command signal for starting the lifting and lowering operations of the motors 3 and 14 is output, and the motor control operation is performed in the main control unit 52a or the sub-control units 52b, 52c, and 52d to which the command signal is input. Next, this motor drive control operation will be described with reference to FIG.

First, in S201, the lower-stage ascent switch 2
3 is read, and the lower-stage ascent switch 23 is read.
It is determined whether or not an ON signal is output from the controller, that is, whether or not the operator is pressing the lower switch 23. If the ON signal is output from the lower raising switch 23 (“Yes” in S201), the process proceeds to S203. S
At 203, the selected pallet lifters 11, 12, 1
Drive motors 16a, 16b, 16 corresponding to
c, 16d, the selected pallet lifters 11, 12,
A drive signal is output so as to raise the pallets 13 and 14, and the selected pallet lifters 11, 12, 13, and 14 are raised. In S205, a lighting control signal is output to a driver circuit (not shown) of the landing confirmation lamp 29 so as to light the landing confirmation lamp 29.

Then, the process proceeds to S207, in which the state of the lower limit switch 43 corresponding to the selected pallet lifting body 11, 12, 13, 14 is read, and whether the state of the lower limit switch 43 is ON operation. or not,
That is, the lower pallets 11c, 12c, 13c, 14c
Is determined to have reached the position of the road surface G. If the state of the lower limit switch 43 is ON (“Yes” in S207), the lower pallets 11c and 12
Assuming that c, 13c, and 14c have reached the position of the road surface G, the process proceeds to S209, and the selected pallet elevating body 11,
Drive motor sections 16a, 16 corresponding to 12, 13, 14
b, 16c, 16d, the selected pallet lifting body 1
A drive signal is output so as to stop the ascent of the selected pallet elevating bodies 11, 12, 13, and 14.
13 and 14 will stop rising.

The state of the lower limit switch 43 is ON.
If it is not an operation ("No" in S207), it is determined that the lower pallets 11c, 12c, 13c, and 14c have not yet reached the position of the road surface G, and the process returns to S201. Therefore, when the lower raising switch 23 is kept pressed, the selected pallet lifting body 11, 1 is selected.
2, 13, 14 are lower pallets 11c, 12c, 13
c and 14c will continue to rise until they reach the position of the road surface G.

When the operator has not pressed the lower-stage ascent switch 23 and the ON signal has not been output from the lower-stage ascent switch 23 ("No" in S201), the process proceeds to S211.
The output signal from the middle-stage ascent switch 24 is read, and it is determined whether or not the ON signal is output from the middle-stage ascent switch 24, that is, whether or not the operator is pressing the middle-stage ascent switch 24. ON from the middle step up switch 24
If the signal is output (“Yes” in S211),
It proceeds to S213. In S213, the drive motor unit 1 corresponding to the selected pallet elevating body 11, 12, 13, 14 is selected.
A drive signal is output to 6a, 16b, 16c, and 16d so as to raise the selected pallet lifters 11, 12, 13, and 14, and the selected pallet lifters 11, 1 are output.
2,13,14 will rise. In S215, a lighting control signal is output to a driver circuit (not shown) of the landing confirmation lamp 29 so as to light the landing confirmation lamp 29.

Thereafter, the process proceeds to S217, where the state of the middle-stage limit switch 42 corresponding to the selected pallet lifting body 11, 12, 13, 14 is read, and whether the state of the middle-stage limit switch 42 is ON operation. or not,
That is, the middle pallets 11b, 12b, 13b, 14b
Is determined to have reached the position of the road surface G. If the state of the middle-stage limit switch 42 is ON ("Yes" in S217), the middle-stage pallets 11b and 12
Assuming that b, 13b, and 14b have reached the position of the road surface G, the process proceeds to S209, and the selected pallet elevating body 11,
Drive motor sections 16a, 16 corresponding to 12, 13, 14
b, 16c, 16d, the selected pallet lifting body 1
A drive signal is output so as to stop the ascent of the selected pallet elevating bodies 11, 12, 13, and 14.
13 and 14 will stop rising.

The state of the middle-stage limit switch 42 is ON.
If it is not an operation ("No" in S217), it is determined that the middle pallets 11b, 12b, 13b, and 14b have not yet reached the position of the road surface G, and the process returns to S201. Therefore, when the middle-stage ascent switch 24 is kept pressed, the selected pallet elevating body 11, 1 is selected.
2, 13 and 14 are middle pallets 11b, 12b and 13
b and 14b will continue to rise until they reach the position of the road surface G.

If the operator has not pressed the middle-stage ascent switch 24 and the ON signal has not been output from the middle-stage ascent switch 24 ("No" in S211), the process proceeds to S219.
The output signal from the down switch 25 is read, and it is determined whether an ON signal is output from the down switch 25, that is, whether the operator is pressing the down switch 25. When the ON signal is output from the down switch 25 (“Yes” in S219), the process proceeds to S221.
In S221, the selected pallet lifters 11, 12,
Drive motor units 16a, 16b, 1 corresponding to 13, 14
6c, 16d, the selected pallet lifting body 11, 1
A drive signal is output so as to lower 2, 3, 14 and the selected pallet lifters 11, 12, 13, 14
Will fall.

In S223, the state of the landing limit switch 41 corresponding to the selected pallet lift 11, 12, 13, 14 is read, and whether the state of the landing limit switch 41 is ON or not is determined. That is, it is determined whether or not the upper pallets 11a, 12a, 13a, 14a have reached the position of the road surface G. When the state of the landing limit switch 41 is ON (S2
23, "Yes"), upper pallets 11a, 12a, 1
Assuming that 3a and 14a have reached the position of the road surface G, S2
25, the lighting control signal is applied to the driver circuit (not shown) of the landing confirmation lamp 29 so that the landing confirmation lamp 29 is turned off.
Is output to Thereafter, the process proceeds to S209, where the drive motors 16a, 16b, 16c, and 16d corresponding to the selected pallet lifts 11, 12, 13, and 14 lower the selected pallet lifts 11, 12, 13, and 14, respectively. A drive signal is output so as to stop, and the lowering of the selected pallet lifters 11, 12, 13, and 14 stops.

The state of the landing limit switch 41 is ON.
If it is not the operation ("No" in S223), it is determined that the upper pallets 11a, 12a, 13a, and 14a have not yet reached the position of the road surface G, and the process returns to S201. Therefore, when the down switch 25 is kept depressed, the selected pallet lifters 11, 12,
13, 14 are upper pallets 11a, 12a, 13a,
It will continue descending until 14a reaches the position of the road surface G.

Next, an abnormality detection control operation, a pallet movement inhibition control operation, an operation state change control operation, an operation state return control operation, and an information signal output control operation performed by the main control unit 52a will be described. FIG. 13 shows the main control unit 5
FIG. 4 is a block diagram for explaining the function of 2a, and a main control unit 52a has a control CPU (not shown) including a ROM and a RAM, and the like. The control CPU reads out the control program stored in the ROM and performs control, as shown in FIG. 13, so that the abnormal state detection unit 81, the pallet movement prohibition unit 82, the operation state change unit 83, and the operation It is configured to include the state return section 84.

The abnormal condition detecting section 81 includes a landing limit switch 41, a middle limit switch 42, a lower limit switch 43, an overshoot detection switch 44, drive motor sections 16a, 16b, 16c, 16d, and a control panel 51a.
(Main control unit 52a) and control panels 51b, 51c, 5
1d (sub-control units 52b, 52c, 52d) and the like.
It is detected whether overshoot of 2, 13, 14 has been detected, or whether or not each of the limit switches 41, 42, 43 has a disconnection failure. If an abnormality is detected, the detected abnormality occurrence site or The apparatus is configured to store information relating to an abnormal state such as an abnormal content as abnormal information. As shown in FIG. 13, an abnormality confirmation signal 85, a restoration confirmation signal 86, and a restoration recognition signal 87 are input to the abnormal state detection unit 81 from the maintenance control box 71 connected to the connector unit 31.

Here, the abnormality confirmation signal 85, the restoration confirmation signal 86, and the restoration recognition signal 87 are output by inputting predetermined codes using the keys of the operation key section 75 of the maintenance control box 71. The abnormality confirmation signal 85 is output from the maintenance control box 71 when, for example, the “setting” key and the “1” key of the operation key unit 75 of the maintenance control box 71 are pressed. The return confirmation signal 86 is output from the maintenance control box 71 when, for example, the “setting” key and the “5” key of the operation key unit 75 of the maintenance control box 71 are pressed. Further, the return recognition signal 87 is output from the maintenance control box 71 when, for example, the “setting” key and the “7” key of the operation key section 75 of the maintenance control box 71 are pressed.

As shown in FIG. 13, the abnormal state detecting section 81 outputs an abnormal information signal 88, a normal information signal 89,
Further, it is also configured to output the abnormality release information signal 90 to the control box 71 for maintenance.
Here, the abnormality information signal 88 includes abnormality information stored in the abnormal state detection unit 81 and related to an abnormality state such as an abnormality occurrence site or an abnormality content.
Reference numeral 9 includes normal information indicating that the pallet moving mechanism is normal. In addition, the abnormality release information signal 90
Contains abnormality cancellation information indicating that the abnormality that has occurred has been recovered and the state of the abnormality has been released.

As shown in FIG. 13, an abnormal state detecting section 81 is connected to the pallet movement prohibiting section 82, and abnormal information stored in the abnormal state detecting section 81 is sent thereto.
The pallet movement prohibiting section outputs a movement prohibiting signal when the abnormality is detected by the abnormal state detecting section 81 and the abnormality information is stored, and changes the operation state of the pallet moving mechanism to the pallet elevating bodies 11, 12,. Movement of 13 and 14 (elevation)
Is shifted to a movement prohibition state in which is prohibited.

As shown in FIG. 13, the operation state changing section 83 receives an abnormal operation signal 91 and an abnormal operation end signal 92 from the maintenance control box 71 connected to the connector section 31. . The operating state changing unit 83 changes the operating state of the pallet moving mechanism unit by the pallet movement prohibiting unit 82 when the abnormal operation signal 91 is input when the pallet movement prohibiting unit 82 sets the movement prohibited state. The prohibition state is released, and the state is shifted from the movement prohibition state to the movable state in which the pallet elevating bodies 11, 12, 13, and 14 can be moved (elevated) regardless of the abnormality detection result by the abnormal state detection unit 81. And connected to the pallet movement prohibition unit 82 to output to the pallet movement prohibition unit 82 a pallet movement prohibition release signal for shifting the operating state of the pallet movement mechanism to a movable state. Have been.
In addition, the operation state changing unit 83 outputs the abnormal-state operation end signal 92.
Is input, the output of the pallet movement prohibition release signal to the pallet movement prohibition unit 82 is prohibited, and the operation state of the pallet movement mechanism is shifted from the movable state to the movement prohibited state. I have.

Here, the abnormal operation signal 91 and the abnormal operation end signal 92 are output by inputting a predetermined code using the keys of the operation key section 75 of the maintenance control box 71. The abnormal operation signal 91 is output from the maintenance control box 71 when, for example, the "setting" key and the "3" key of the operation key section 75 of the maintenance control box 71 are pressed. The abnormal operation end signal 92 is output from the maintenance control box 71 when, for example, a “setting” key and a “9” key of the operation key section 75 of the maintenance control box 71 are pressed.

As shown in FIG. 13, a return recognition signal 87 is input from the maintenance control box 71 connected to the connector section 31 to the operation state return section 84. As shown in FIG. 13, the operating state return unit 84 is connected to the abnormal state detecting unit 81 and is connected to the abnormal state detecting unit 8.
The abnormality information stored in 1 is sent. When the pallet movement prohibiting unit 82 sets the movement prohibition unit 82 to the movement prohibition state, the operation state restoration unit 84 reads the detection result of the abnormality by the abnormal state detection unit 81 when the recovery recognition signal 87 is input. When the abnormality information is not stored in the detection unit 81 (normal information is stored),
The operation state of the pallet moving mechanism unit is released from the movement prohibited state by the pallet movement prohibiting unit 82, and the pallet lifters 11, 12, 13, and 14 are moved (elevated) from the movement prohibited state.
The pallet movement prohibition unit 82 is connected to the pallet movement prohibition unit 82 and shifts the operating state of the pallet movement mechanism unit to the movable state. It is configured to output a normal operation return signal. Further, when the return recognition signal 87 is input, the operation state return unit 84 reads the detection result of the abnormality in the abnormal state detection unit 81, and when the abnormality information is stored in the abnormal state detection unit 81, the pallet It is also configured to prohibit the output of the normal operation return signal to the movement prohibition unit 82 and maintain the operation state of the pallet moving mechanism in the movement prohibition state.

Next, an abnormality detection control operation performed by the main control unit 52a will be described with reference to FIG. First, S
At 301, a landing limit switch 41, a middle-stage limit switch 42, a lower-stage limit switch 43, an overshoot detection switch 44 as a pallet moving mechanism,
Drive motor sections 16a, 16b, 16c, 16d, control panel 51a (main control section 52a), and control panels 51b, 51
Signals from c, 51d (sub-control units 52b, 52c, 52d) and the like are read by the abnormal state detecting unit 81, and it is determined whether an abnormality has occurred in the pallet moving mechanism unit. If an abnormality has occurred (“Ye
s "), the process proceeds to S303, and the abnormal condition detection unit 81 stores information on the detected abnormal state such as the abnormal occurrence site or the abnormality content as abnormal information and returns. For example, when the pallet lifters 11, 12, 13, and 14 are detected to be overdriven by the overtravel detection switch 44, the pallet lifters 11, 12, 13, and 14 that have been detected to have passed are identified as abnormalities. Also,
“Excessive” is stored as the abnormal content.

If no abnormality has occurred ("No" in S301), the process proceeds to S305, in which the abnormal state detector 81 clears the stored abnormal information, stores the normal information, and returns. For example, the pallet lifters 11, 12, 13, 14 are operated by the overtravel switch 44.
Excessive pallet lifter 1
When the overshoot is released by returning 1,12,13,14 to the normal position, the stored abnormality occurrence site (“the pallet lifting body 11,12,
13, 14 ") and abnormal contents (" excessive ") are cleared, and normal information is stored. Note that the abnormality information may be accumulated and stored without clearing the stored abnormality information.

Next, the pallet movement inhibition control operation executed by the main control section 52a will be described with reference to FIG.
First, in S401, based on the abnormality information sent from the abnormal state detecting section 81 to the pallet movement prohibiting section 82, it is determined whether or not abnormal information is stored in the abnormal state detecting section 81, that is, in the pallet moving mechanism section. It is determined whether an abnormality has occurred. When no abnormality information is stored in the abnormal state detection unit 81 (“N” in S401)
o)), the process proceeds to S403, and the pallet movement prohibition unit 82 outputs a movement prohibition signal so that the operation state of the pallet movement mechanism unit is set to a movable state in which the pallet elevating bodies 11, 12, 13, and 14 are movable. And return.

If the abnormality information is stored in the abnormal state detecting section 81 ("Yes" in S401), the process proceeds to S405. In S405, it is determined whether or not the pallet movement inhibition release signal has been output from the operating state changing unit 83.
When a pallet movement prohibition release signal is output from the operation state changing unit 83 to the pallet movement prohibition unit 82 (S405)
Then, the process proceeds to S403, where the pallet movement prohibiting unit 82 sets the operation state of the pallet moving mechanism to a movable state in which the pallet elevating bodies 11, 12, 13, and 14 are movable. Output of
To return.

If the pallet movement prohibition release signal has not been output from the operation state changing unit 83 to the pallet movement prohibition unit 82 ("No" in S405), the flow proceeds to S407. S40
At 7, it is determined whether or not the normal operation return signal is output from the operation state return unit 84. Operating state return unit 84
If the normal operation return signal is output to the pallet movement prohibition unit 82 from step S 407 (“Yes” in step S 407), the process proceeds to step S 403. , 13,
The output of the movement prohibition signal is prohibited so as to be in a movable state in which the movement is possible, and the process returns.

When the normal operation return signal is not output from the operation state return section 84 to the pallet movement prohibition section 82 (S
(“No” in 407), the process proceeds to S409. In S409,
The pallet movement prohibition unit 82 outputs a movement prohibition signal so that the operation state of the pallet movement mechanism unit is set to a movement prohibition state in which the movement of the pallet lifters 11, 12, 13, and 14 is prohibited, and the process returns.

Next, an operation state change control operation performed by the main control section 52a will be described with reference to FIG. First, in S501, the operation control signal 71 is sent from the maintenance control box 71 to the operating state changing unit 83.
It is determined whether 1 has been input. When the abnormal-state operation signal 91 is input from the maintenance control box 71 to the operation state changing unit 83 (“Yes” in S501), the process proceeds to S503, and the alarm sound generation unit 32 generates an alarm sound. A warning sound control signal is output to a driver circuit (not shown) of the warning sound generation unit 32. Thereafter, the process proceeds to S505, in which the operation state changing unit 83 outputs a pallet movement prohibition cancel signal to the pallet movement prohibition unit 82, and the process proceeds to S507. When the abnormal-state operation signal 91 is not input from the maintenance control box 71 to the operation state changing unit 83 (“N” in S501)
o "), without proceeding to S503, proceed to S507. In step S505, after outputting the pallet movement inhibition release signal from the operation state changing unit 83 to the pallet movement inhibition unit 82, a signal indicating that the pallet movement inhibition release signal has been output to the maintenance control box 71 is sent to the maintenance control box 71. The display unit 76 of the control box 71 may display that the pallet movement prohibition release signal has been output, that is, that the pallet moves to the movable state.

In S507, it is determined whether or not the abnormal-state operation end signal 92 has been input from the maintenance control box 71 to the operating state changing unit 83. When the abnormal operation signal 91 is input from the maintenance control box 71 to the operating state changing unit 83 (S
(“Yes” in 507), the process proceeds to S509, and the output of the pallet movement prohibition release signal from the operation state changing unit 83 to the pallet movement prohibition unit 82 is prohibited. Then, the process proceeds to S511, and after a warning sound control signal is output to a driver circuit (not shown) of the warning sound generating unit 32 so as to prohibit the warning sound generating unit 32 from generating a warning sound, the process returns. I do.
If the abnormal-state operation signal 91 has not been input from the maintenance control box 71 to the operation state changing unit 83 ("No" in S507), the process does not proceed to S509.
To return. In step S509, after prohibiting the output of the pallet movement prohibition release signal from the operation state changing unit 83 to the pallet movement prohibition unit 82, the signal indicating that the output of the pallet movement prohibition release signal is prohibited to the maintenance control box 71. May be displayed on the display unit 76 of the maintenance control box 71 to indicate that the output of the pallet movement inhibition release signal has been inhibited, that is, to shift to the movement inhibition state.

Next, an operation state return control operation executed by the main control section 52a will be described with reference to FIG. First, in S601, the return recognition signal 87 is sent from the maintenance control box 71 to the operation state return section 84.
It is determined whether or not is input. If the return recognition signal 87 has not been input from the maintenance control box 71 to the operation state return unit 84 ("No" in S601), the process proceeds to S603, and the normal operation return from the operation state return unit 84 to the pallet movement prohibition unit 82. Inhibits signal output and returns.

Control box 71 for maintenance
If the return recognition signal 87 has been input to the operating state return unit 84 from (YES in S601), the process proceeds to S605. In S605, the abnormal information sent from the abnormal state detecting unit 81 to the pallet movement prohibiting unit 82 is read, and based on the read abnormal information, whether the abnormal information is stored in the abnormal state detecting unit 81, that is, It is determined whether an abnormality has occurred in the pallet moving mechanism. If the abnormality information is stored in the abnormal state detection unit 81 (“Yes” in S605), the process proceeds to S603, and then returns. If the abnormality information is not stored in the abnormal state detecting section 81 ("No" in S605), the process proceeds to S607, in which the operating state returning section 84 outputs a normal operation returning signal to the pallet movement prohibiting section 82, and returns.

Finally, an information signal output control operation performed by the main control section 52a will be described with reference to FIG. First, in S701, the maintenance control box 71 sends an abnormality confirmation signal 85 to the abnormal state detection section 81.
It is determined whether or not is input. When the abnormality confirmation signal 85 is input from the maintenance control box 71 to the abnormal state detection unit 81 ("Y" in S701)
es ”), the process proceeds to S703, and it is determined whether or not abnormality information is stored in the abnormal state detection unit 81. If the abnormality information is stored in the abnormal state detection unit 81 (“Yes” in S703), the process proceeds to S705, and the abnormality information stored in the abnormal state detection unit 81 is transmitted to the maintenance control box 71 as the abnormality information signal 88. Is output. After the abnormality information output to the maintenance control box 71 is processed in the maintenance control box 71, information based on the abnormality information is displayed on the display unit 76. For example, when the overtravel detection switch 44 detects that the pallet lifters 11, 12, 13, and 14 are overtravelling, the display unit 76 displays FIG.
9 and the pallet elevating body 11, 12, 1
“IJO 1111” indicating that overshoot of 3 and 14 has been detected is displayed.

When no abnormal information is stored in the abnormal state detecting section 81, that is, when normal information is stored (S
(“No” in 703), the process proceeds to S707, and the normal information stored in the abnormal state detection unit 81 is output to the maintenance control box 71 as a normal information signal 89. The normal information output to the maintenance control box 71 is displayed in the display unit 7 after processing in the maintenance control box 71 and based on the normal information.
6 will be displayed. For example, when no abnormality has occurred, the display unit 76 is in the state shown in FIG. 20, and "IJO 0000" indicating that there is no abnormality and the normal state is displayed on the display unit 76. Is displayed.

Control box 71 for maintenance
If the abnormality confirmation signal 85 has not been input to the abnormal state detecting unit 81 from step S701 (“No” in step S701), the process proceeds to step S709, and whether the return confirmation signal 86 has been input from the maintenance control box 71 to the abnormal state detecting unit 81 It is determined whether or not. If the return confirmation signal 86 has been input from the maintenance control box 71 to the abnormal state detection unit 81 ("Yes" in S709), S711
Proceed to. In S711, it is determined whether or not abnormality information is stored in the abnormal state detector 81, that is, whether or not an abnormality has occurred in the pallet moving mechanism. If the abnormality information is not stored in the abnormal state detection unit 81 (“No” in S711), the process proceeds to S713, and it is determined that the abnormality that has occurred is recovered, and the abnormality release information is transmitted from the abnormal state detection unit 81 to the maintenance control box 71. It is output as the abnormality release information signal 90. The abnormality release information output to the maintenance control box 71 is
After the processing in the maintenance control box 71, information based on the abnormality release information is displayed on the display unit 76. For example, the overshoot detection switch 44
If the overshoot is released and the abnormality is recovered after the overshoot of the pallet elevating bodies 11, 12, 13, and 14 is detected, the display unit 76 is in the state shown in FIG. , "Kaijo AAAA" indicating that the overshoot has been released and the vehicle has been restored is displayed. If the abnormality information is stored in the abnormal state detection unit 81 ("Yes" in S711), the process returns without proceeding to S713.

Control box 71 for maintenance
If the return confirmation signal 86 has not been input to the abnormal state detection unit 81 from the above ("No" in S709), the process proceeds to S715, and is the return recognition signal 87 input to the abnormal state detection unit 81 from the maintenance control box 71? It is determined whether or not. If the return recognition signal 87 has not been input from the maintenance control box 71 to the abnormal state detection unit 81 ("No" in S715), S703 is executed.
Return without going to. When the return recognition signal 87 has been input from the maintenance control box 71 to the abnormal state detection unit 81 ("Ye" in S715)
s "), the process proceeds to S703, and the above-described processing is repeatedly performed. For example, pallet elevating bodies 11, 12, 13, 1
After the overshoot of No. 4 is released and the abnormality is recovered, and “Caijoa AAAA” is displayed on the display section 76, the operation key section 75 of the maintenance control box 71 is operated to cause the maintenance control box 71 to display an abnormal state. When the return recognition signal 87 is output to the detection unit 81, it is determined again whether or not an abnormality has occurred. If no abnormality has occurred, the display unit 7
As shown in FIG. 20, “IJO 0000” indicates that the apparatus is in a normal state in which no abnormality has occurred.
Is displayed. On the other hand, the pallet lifting bodies 11, 12, 1
When overshoot of the pallet lifters 3 and 14 is detected again, the display unit 76 displays, as shown in FIG.
"Illustration 1111" indicating that overshoot of 1, 12, 13, and 14 has been detected is displayed, and when a new abnormality has occurred, for example, the drive motor unit as abnormality information on the new abnormality state 22, “IJO 2222” indicating that an abnormality has occurred in the drive motor unit is displayed on the display unit 76, as shown in FIG.

As described above, according to the present embodiment, the connector section 31 is provided on the sub-operation panel 30 as the operation section.
By connecting a maintenance control box 71 as a diagnostic tool to the connector section 31, a landing limit switch 41, a middle-stage limit switch 42,
Lower limit switch 43, overshoot detection switch 4
4, drive motor sections 16a, 16b, 16c, 16d, control panel 51a (main control section 52a), and control panel 51b,
This is a state in which information on an abnormal state occurring in the pallet moving mechanism section such as 51c, 51d (sub-control sections 52b, 52c, 52d) can be read from the abnormal state detection section 81 (main control section 52a). Therefore, with an extremely simple configuration having the connector section 31 to which the maintenance control box 71 is connected, information (abnormality information, normal information, abnormality clearing information, etc.) relating to an abnormal state such as an abnormal site or an abnormal content is provided. ) Can be easily obtained.

The main control section 52a detects whether or not an abnormality has occurred in the pallet moving mechanism section. When an abnormality is detected, the state of the detected abnormality is stored as abnormality information. Is configured to include the abnormal state detecting unit 81 that outputs the abnormal information to the maintenance control box 71 connected to the control unit 71, so that the abnormal information regarding the abnormal state such as the abnormality occurrence site or the abnormality content is securely stored and Are sent to the maintenance control box 71. For this reason, it is possible to accurately and quickly acquire the abnormality information regarding the above-described abnormality state.

The abnormal state detecting section 81 outputs an abnormal confirmation signal 85 output when a predetermined key is operated on the operation key section 75 of the maintenance control box 71 connected to the connector section 31. It is determined whether or not the output has been performed, a predetermined operation is performed, an abnormality confirmation signal 85 is input from the maintenance control box 71 to the abnormal state detection section 81, and the abnormal state detection section 81 When the abnormality is detected and the abnormality information is stored, the abnormality information is output to the maintenance control box 71 as the abnormality information signal 88. Therefore, the abnormality information is erroneously output from the abnormality state detection unit 81 to the maintenance control box 71. Is prevented, and the abnormality information can be more accurately acquired.

The abnormal state detecting section 81 outputs a return recognition signal 87 output when a predetermined key is operated on the operation key section 75 of the maintenance control box 71 connected to the connector section 31. It is determined whether or not the output has been made, a predetermined operation is performed, a return recognition signal 87 is input from the maintenance control box 71 to the abnormal state detecting section 81, and the abnormal state detecting section 81 When the abnormality is detected and the abnormality information is stored, the abnormality information is output to the maintenance control box 71 as the abnormality information signal 88. Therefore, the abnormality information is erroneously output from the abnormality state detection unit 81 to the maintenance control box 71. Is prevented, and the abnormality information can be more accurately acquired.

Further, the display section 76 of the maintenance control box 71 displays information based on the abnormality information (abnormality information signal 88) output from the abnormal state detecting section 81. 30 (pole 18)
The state of the abnormality in the pallet moving mechanism section is maintained while maintaining the control box 71 for maintenance.
Can be obtained from the information displayed on the display unit 76, and the abnormality information relating to the abnormality state such as the abnormality occurrence site or the abnormality content can be easily and quickly acquired. As a result,
The efficiency of maintenance at the time of abnormality can be improved.

The abnormal state detecting section 81 outputs an abnormality confirming signal 85 output when a predetermined key is operated on the operation key section 75 of the maintenance control box 71 connected to the connector section 31. It is determined whether or not the output has been performed, a predetermined operation is performed, an abnormality confirmation signal 85 is input from the maintenance control box 71 to the abnormal state detecting section 81, and the abnormal state detecting section 81 detects the pallet moving mechanism. When the abnormality is not detected and the normal information is stored, the normal information is output as the normal information signal 89 to the maintenance control box 71, so that the abnormal state detection unit 81 erroneously outputs the normal information to the maintenance control box 71. Is prevented, and normal information can be obtained more accurately.

The abnormal state detecting section 81 outputs a return recognition signal 87 output when a predetermined key is operated on the operation key section 75 of the maintenance control box 71 connected to the connector section 31. It is determined whether or not the output has been made, a predetermined operation is performed, the return recognition signal 87 is input from the maintenance control box 71 to the abnormal state detecting section 81, and the abnormal state detecting section 81 detects the return of the pallet moving mechanism. When the abnormality is not detected and the normal information is stored, the normal information is output to the maintenance control box 71 as the normal information signal 89, so that the abnormal state detection unit 81 outputs the normal information to the maintenance control box 71 erroneously. Is prevented, and normal information can be obtained more accurately.

Further, information based on the normal information (normal information signal 89) output from the abnormal state detecting section 81 is displayed on the display section 76 of the maintenance control box 71. 30 (pole 18)
The state of the abnormality in the pallet moving mechanism section is maintained while maintaining the control box 71 for maintenance.
Can be known from the information displayed on the display unit 76, and normal information can be obtained easily and quickly. As a result, the efficiency of maintenance at the time of abnormality can be improved.

The abnormal state detecting section 81 outputs a return confirmation signal 86 output when a predetermined key is operated on the operation key section 75 of the maintenance control box 71 connected to the connector section 31. It is determined whether or not the output is performed, a predetermined operation is performed, a return confirmation signal 86 is input from the maintenance control box 71 to the abnormal state detecting section 81, and the abnormal state detecting section 81 detects the pallet moving mechanism. When the abnormality is not detected, the abnormality release information is output to the maintenance control box 71 as the abnormality release information signal 90, so that the erroneous output of the abnormality release information from the abnormal state detection unit 81 to the maintenance control box 71 is prevented. As a result, the abnormality release information can be more accurately acquired.

Further, the display section 76 of the maintenance control box 71 displays information based on the abnormality clearing information (abnormality clearing information signal 90) output from the abnormal state detecting section 81. While staying at the position of the operation panel 30 (pole 18), the state of the abnormality in the pallet moving mechanism can be known from the information displayed on the display section 76 of the maintenance control box 71, and the abnormality clearing information can be easily and easily obtained. Can be obtained quickly. As a result, the efficiency of maintenance at the time of abnormality can be improved.

Since the connector portion 31 is housed in the housing portion 34, the connector portion 31 is
Can be prevented from occurring.

Further, a box 35 having an opening 35a on one surface and housing the connector portion 31 therein, a lid 36 provided to be openable and closable with respect to the opening 35a, and a lid operated by a power key K1 are provided. A lock operation section 37 for holding the opening 35a closed by the body 36 is provided. When the opening 35a is closed by the lid 36, the power key K1 is inserted into the lock hole 37a and the lock key 37 is inserted in a predetermined direction. 5, the protruding piece 35c and the locking piece 37 are rotated as shown in FIG.
b can be engaged, the rotation of the lid 36 is prohibited, and the state where the opening 35a is closed by the lid 36 is maintained. On the other hand, when the protruding piece 35c and the locking piece 37b can be engaged with each other, the power key K1 is inserted into the lock hole 37a and rotated in a direction opposite to the above-described predetermined direction, so that the protruding piece 35c The state in which the engagement with the locking piece 37b is released is released, and the lid 36 becomes rotatable. Therefore, the projecting piece 35c and the locking piece 37
When the cover 36 is rotatable and the cover 36 is rotatable, the cover 36 is rotated to open the opening 35a, so that the maintenance control box 71 for maintenance by the maintenance staff to the connector portion 31 is provided. Connection becomes possible. Therefore, the opening 35a is
Is kept closed, it is possible to more reliably prevent the situation where the connector portion 31 is damaged due to mischief or the like. Further, since the lock operation unit 37 can be operated by the power key K1, the lock state of the lock operation unit 37 (cancellation of the engagement between the protruding piece 35c and the lock piece 37b) can be easily released. It can be carried out.

The main control section 52a includes the abnormal state detecting section 81 and the pallet movement prohibiting section 82. Therefore, when an abnormality occurs in the pallet moving mechanism section as described above, the pallet moving section is operated. The operation state of the mechanism unit shifts to the movement inhibition state, and the pallet elevating bodies 11, 12, 1
Since the movement (elevation) of 3 and 14 is prohibited, the safety of the multi-story parking device 1 can be ensured. Further, since the main control unit 52a is configured to include the operation state changing unit 83, the pallet moving mechanism unit is operated by receiving the abnormal operation signal 91 from the maintenance control box 71 even in the movement prohibited state. The operating state of the pallet shifts to the movable state, and the pallet elevating body 11, 12, 13, 1
4 can be moved (elevated). Therefore, the maintenance staff who has arrived at the site in response to the notification of the occurrence of the abnormality can check the abnormal state of the abnormal part or the details of the abnormality, or operate the pallet elevating body 11, 12, 1 in order to operate in the abnormal state.
When it is desired to move the pallet elevators 11, 12, 1 by connecting the maintenance control box 71 to the connector section 31 and inputting the abnormal operation signal 91 from the maintenance control box 71, the operator moves the pallet.
3, 14 can be easily moved. Further, unless the operation signal 91 at the time of abnormality is input from the control box 71 for maintenance, the movement prohibition state is maintained, so that the safety of the multi-story parking device 1 at the time of occurrence of abnormality is not impaired.

The operation state change unit 83 changes the operation state of the pallet moving mechanism from the movable state to the movement prohibited state when the abnormal state operation end signal 92 different from the abnormal state operation signal 91 is input. When the maintenance staff wants to shift to the movement prohibited state after moving (elevating and lowering) the pallet elevating bodies 11, 12, 13, and 14 or after restoring the abnormality, the maintenance control box 71 By inputting the time operation end signal 92, it is possible to easily shift to the movement prohibition state.
In addition, since the abnormal-time operation end signal 92 is different from the abnormal-time operation signal 91, it is possible to prevent a malfunction such as an erroneous transition to the movement prohibition state.

The multi-story parking device 1 is provided with an operation panel 17 as an operation section for operating the pallet moving mechanism section. Pallet lift 1
Because the movement (elevation) of 1,12,13,14 is prohibited,
Even when the user operates the operation unit by mistake, it is possible to prevent a situation in which the pallet lifters 11, 12, 13, and 14 move. In addition, since the operating state changing unit 83 enables the operation of the pallet moving mechanism unit by the operation panel 17 in the movable state, the maintenance staff operates the operation panel 17 in the movable state, Since the pallet lifters 11, 12, 13, and 14 can be moved while staying at the position 17, the operability of the pallet moving mechanism can be improved. In addition, the maintenance person can move the pallet elevating bodies 11, 12, 13, and 14 while securing the situation around the multi-story parking device 1, and the pallet elevating bodies 11, 12, 13, 14 in a movable state. It is possible to secure safety when moving. Further, the pallet lifters 11, 12, 13, 14 in the movable state can be moved quickly.

The operating state changing unit 83 determines whether or not the abnormal operation signal 91 has been input from the maintenance control box 71 connected to the connector unit 31, and the abnormal operation signal 91 is input. In this case, the operating state of the pallet moving mechanism is shifted to the movable state, and the operating state changing unit 83 is used by using the maintenance control box 71 for reading out the abnormal state occurring in the pallet moving mechanism. Abnormal operation signal 9
Since the maintenance staff can connect the maintenance control box 71 to the connector section 31 and then operate the maintenance control box 71 (operation key section 75), the maintenance personnel can enter the sub-operation panel 30.
The operation state of the pallet moving mechanism can be shifted from the operation inhibition state to the operable state while being at the position of the (pole 18), and the pallet moving mechanism can be quickly shifted to the operable state.

The operating state changing section 83 determines whether or not an abnormal operation end signal 92 has been input from the maintenance control box 71 connected to the connector section 31. When input, the operating state of the pallet moving mechanism is shifted from the movable state to the movement prohibited state. Therefore, the maintenance control box 71 for reading out an abnormal state occurring in the pallet moving mechanism is used. The maintenance person can operate the maintenance control box 71 (operation key section 75) after connecting the maintenance control box 71 to the connector section 31 because the operation state change section can input the abnormal operation end signal 92 to the operation state changing section. By doing so, it is possible to stay at the position of the sub The operating conditions of the moving mechanism can be shifted from the operating state to move prohibited state, it is possible to quickly perform the transition to movement inhibition state.

A pallet movement prohibition release signal is output from the operation state changing unit 83 to the sub operation panel 30 as an operation unit, and the operation state of the pallet moving mechanism moves the pallet elevating bodies 11, 12, 13, and 14. A warning sound generating unit 32 for generating a warning sound for notifying that the state has been shifted to a movable state is provided, and an abnormal-time operation signal 91 is input from the maintenance control box 71 to the operation state changing unit 83. If the warning sound is generated,
The main control unit 52a outputs a warning sound control signal to the driver circuit of the warning sound generation unit 32 so as to generate a warning sound. Thereby, it is possible to notify a person present in the vicinity of the multi-story parking device 1 that the operation state of the pallet moving mechanism in the multi-story parking device 1 has been shifted to a movable state. Safety can be improved. In addition, instead of providing the warning sound generating unit 32, an indicator light is provided, and the indicator light is turned on when the operation state of the pallet moving mechanism unit in the multi-story parking device 1 is shifted to a movable state. Is also good.

Further, the main control unit 52a is configured to include the operation state return unit 84, so that when the return recognition signal 87 is input from the maintenance control box 71, the abnormal state detection unit 81 Is read, and when no abnormality is detected by the abnormal state detecting unit 81, the operating state of the pallet moving mechanism shifts to the movable state, that is, returns to the normal operating state. Therefore, after the maintenance worker who has arrived at the site in response to the notification of the occurrence of the abnormality has recovered from the abnormality, the return recognition signal 87 is output from the maintenance control box 71.
By inputting, the abnormal state is confirmed, and if there is no abnormality in the pallet moving mechanism, it can be returned to the normal operation state, and the normal operation after the abnormality has occurred in the pallet moving mechanism Can be returned smoothly.

[0091] When the pallet movement prohibiting section sets the movement prohibited state by the pallet movement prohibiting section, the operation state returning section 84 reads the result of the abnormality detection by the abnormal state detecting section 81 by inputting the return recognition signal 87. , Abnormal state detection section 8
When an abnormality is detected in step 1, the pallet movement prohibiting section 82 maintains the movement prohibition state. Therefore, if there is still an abnormality in the pallet moving mechanism section, the movement prohibition state can be maintained. Can be secured.

Further, since the operating state returning section 84 enables the operation of the pallet moving mechanism section by the operation panel 17 in the movable state, the maintenance person can move the pallet in the movable state.
By operating the operation panel 17, the pallet elevating bodies 11, 12, 13, 14 are kept at the position of the operation panel 17.
Can be moved, so that the operability of the pallet moving mechanism can be improved. In addition, the maintenance person can move the pallet elevating bodies 11, 12, 13, and 14 while securing the situation around the multi-story parking device 1, and the pallet elevating bodies 11, 12, 13, 14 in a movable state. It is possible to secure safety when moving. Further, the pallet elevating bodies 11, 12,
13 and 14 can be moved quickly.

The operation state return section 84 determines whether or not a return recognition signal 87 has been input from the maintenance control box 71 connected to the connector section 31, and when the return recognition signal 87 has been input. Then, the abnormal state detection unit 81 reads an abnormality detection result, and when the abnormal state detection unit 81 does not detect an abnormality, the operating state of the pallet moving mechanism unit is shifted to a movable state. Control box 7 for reading the status of abnormalities occurring in the section
1 can be used to input the return recognition signal 87 to the operating state return section 84, so that the maintenance
By operating the maintenance control box 71 (operation key section 75) after connecting the maintenance control box 71 to the sub-operation panel 30 (pole 18), the operation state return section 84 is operated.
Can read the result of the abnormality detection by the abnormal state detection unit 81, and when the abnormality is not detected by the abnormal state detection unit 81, the operation state of the pallet moving mechanism can be returned to the normal operation state. The transition to the movable state can be performed quickly.

In the present embodiment, the operation panel 17 and the sub-operation panel 30 serving as the operation section of the present invention
Applied to the so-called stand type
The present invention is not limited to this, and can be applied to, for example, a so-called storage type in which the operation unit is stored in the front and rear beams 4. Also, the emergency operation switch 33 (the sub operation panel 3)
The position where (0) is disposed is not limited to the rear side of the pole 18, but may be disposed on the front side, for example, below the operation panel 17.

In the present embodiment, the lid 36
Is rotatably attached to the box 35 via the hinge 38, but is not necessarily connected to the box 35 via the hinge 38.
It is not necessary to attach to the box 35, and it may be configured to be detachable from the box 35.

In this embodiment, the main control unit 5
2a has a control CPU or the like including a ROM and a RAM, reads out a control program stored in the ROM and performs control, thereby detecting an abnormal state detecting section 81, a pallet movement prohibiting section 82, an operating state changing section 83, And, it is configured to include the operation state return unit 84,
Without being limited to this, a control CPU including a ROM and a RAM is provided on the operation panel 17 or the sub operation panel 30 side,
The control CPU may be configured to include an abnormal state detection unit 81, a pallet movement prohibition unit 82, an operation state change unit 83, and an operation state return unit 84.

Further, in the present embodiment, the present invention is applied to a structure in which four multi-story parking devices having one layer above the ground and two layers below the pit are provided in parallel. However, the present invention is not limited to these, and mechanical parking devices other than the so-called pit-type multi-story parking device that stores pallets in pits that constitute an underground space for parking vehicles, such as pallets on which vehicles are mounted, are traversing. Alternatively, the present invention can also be applied to a so-called traversing elevating type mechanical parking device that moves up and down.

[0098]

As described above in detail, according to the mechanical parking device of the present invention, when an abnormality occurs in the pallet moving mechanism, information relating to an abnormal state such as an abnormal site or an abnormal content is provided. A mechanical parking device that can be easily acquired with a simple configuration can be realized.

[Brief description of the drawings]

FIG. 1 is a schematic front view showing an embodiment of a mechanical parking device according to the present invention.

FIG. 2 is a schematic perspective view showing an embodiment of a mechanical parking device according to the present invention.

FIG. 3 is a front view of an operation panel included in the embodiment of the mechanical parking device according to the present invention.

FIG. 4 is a side view of an operation panel included in the embodiment of the mechanical parking device according to the present invention.

FIG. 5 is a front view of a maintenance control box included in the embodiment of the mechanical parking device according to the present invention.

FIG. 6 is a front view of a storage part included in the embodiment of the mechanical parking device according to the present invention.

FIG. 7 is a top view of a storage part included in the embodiment of the mechanical parking device according to the present invention.

FIG. 8 is a side view of a storage part included in the embodiment of the mechanical parking device according to the present invention.

FIG. 9 is a front view of the storage unit in a state where the lid is opened, which is included in the embodiment of the mechanical parking device according to the present invention.

FIG. 10 is a block diagram showing an embodiment of a mechanical parking device according to the present invention.

FIG. 11 is a flowchart showing a main control operation in the embodiment of the mechanical parking device according to the present invention.

FIG. 12 is a flowchart illustrating a motor drive control operation in the embodiment of the mechanical parking device according to the present invention.

FIG. 13 is a block diagram illustrating functions of a main control unit included in the embodiment of the mechanical parking device according to the present invention.

FIG. 14 is a flowchart showing an abnormality detection control operation in the embodiment of the mechanical parking device according to the present invention.

FIG. 15 is a flowchart showing a pallet movement inhibition control operation in the embodiment of the mechanical parking device according to the present invention.

FIG. 16 is a flowchart showing a driving state change control operation in the embodiment of the mechanical parking device according to the present invention.

FIG. 17 is a flowchart showing a driving state return control operation in the embodiment of the mechanical parking device according to the present invention.

FIG. 18 is a flowchart showing an information signal output control operation in the embodiment of the mechanical parking device according to the present invention.

FIG. 19 is a diagram showing an example of a display state on a display unit of a control box for maintenance included in the embodiment of the mechanical parking device according to the present invention.

FIG. 20 is a diagram showing an example of a display state on a display unit of the control box for maintenance included in the embodiment of the mechanical parking device according to the present invention.

FIG. 21 is a diagram showing an example of a display state on a display unit of a control box for maintenance included in the embodiment of the mechanical parking device according to the present invention.

FIG. 22 is a diagram showing an example of a display state on a display unit of a control box for maintenance included in the embodiment of the mechanical parking device according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Multi-level parking device, 11, 12, 13, 14 ... Pallet raising / lowering body, 11a, 12a, 13a, 14a ... Upper pallet, 11b, 12b, 13b, 14b ... Middle pallet,
11c, 12c, 13c, 14c: lower pallet, 16
a, 16b, 16c, 16d: drive motor unit, 17: operation panel, 30: sub operation panel, 31: connector unit, 32: warning sound generation unit, 33: emergency operation switch, 34: storage unit,
35 ... box, 35a ... opening, 35c ... projecting piece, 36 ... lid, 37 ... locking operation part, 37a ... locking hole, 37b ... locking piece, 41 ... landing limit switch, 42 ... middle limit switch, 43 … Lower limit switch, 44…
Overshoot detection switch, 51a, 51b, 51c, 51
d: control panel, 52a: main control unit, 52b, 52c, 52
d: sub-control unit, 71: maintenance control box, 72: communication cable, 73: terminal unit, 75: operation key unit, 76: display unit, 81: abnormal state detection unit, 82
... Pallet movement prohibition part, 83 ... Operation state change part, 84 ...
Operating state return unit, 85: abnormality confirmation signal, 86: return confirmation signal, 87: return recognition signal, 88: abnormality information signal, 89
... normal information signal, 90 ... abnormality release information signal, 91 ... abnormal operation signal, 92 ... abnormal operation end signal, K1 ... power key.

Claims (5)

[Claims] 1. A mechanical parking device comprising: a pallet on which a vehicle is mounted; a pallet moving mechanism for moving the pallet; and an operation unit for operating the pallet moving mechanism. A mechanical parking device, wherein the operating unit has a connector unit to which a diagnostic tool for reading out information on an abnormal state occurring in the pallet moving mechanism unit is connected. And detecting whether or not an abnormality has occurred in the pallet moving mechanism. When an abnormality is detected, the detected state of the abnormality is stored as abnormality information, and the pallet moving mechanism is connected to the connector. The mechanical parking device according to claim 1, further comprising: an abnormal state detection unit that outputs the abnormality information as information relating to the abnormal state to a diagnostic tool. 3. The abnormal state detection unit determines whether a predetermined operation is performed by the diagnostic tool connected to the connector unit, and when the predetermined operation is performed,
The mechanical parking device according to claim 2, wherein the abnormality information is output to the diagnostic tool. 4. The mechanical parking device according to claim 1, wherein the operation section has a storage section for storing the connector section. 5. The operation unit has a power switch unit for operating the pallet moving mechanism unit in an operable state by operating a predetermined operation member. A box body that has an opening therein and accommodates the connector portion therein; a lid body that can be opened and closed with respect to the opening; operated by the predetermined operation member, and the opening is closed by the lid body 5. The mechanical parking device according to claim 4, further comprising a locking means for holding the vehicle in a locked state.