JP2010090624A - Pit multi-stage elevatable parking device and operating method of the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pit multi-stage elevatable parking device which can avoid water damages to accommodated vehicles or the like even when water intrudes into the pit, and also can prevent people from entering the parking device or the pit. <P>SOLUTION: The pit multi-stage elevatable parking device 1 disposed with vehicle elevating pallet units 2, 3, 4 posed movable upward/downward between the pit P and the upper side of the pit P, includes: a movable fence 6 for a riding-in part set at the riding-in part on the side of the pit P; a water-level sensor 18 set in the pit P for detecting the water level in the pit P; and an operation control unit 11 for controlling, in an emergency when the water level sensor 18 detects a first abnormal water level preliminarily, so as to make pallet units 2, 3, 4 in the pit P move upper side of the pit P and also to close the ride-in part by moving the movable fence 6 for the riding-in part to an emergency close position higher than a normal close position. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a pit multistage elevating parking apparatus and a driving method thereof. More specifically, a pit multi-stage elevating parking device in which a lifting body in which pallets for mounting on a vehicle are arranged in a plurality of stages is raised and lowered to a storage position in the pit and a loading / unloading position above the pit, and the parking apparatus It relates to the driving method in an emergency.

  Of the mechanical parking devices in which pallets for mounting on vehicles are raised and lowered, in a pit multi-stage lifting type parking device in which a pit is dug and disposed therein, the lifting body is generally in a state where a plurality of pallets are vertically separated. It is fixed to. The lifting body moves up to the loading / unloading position above the pit to enter and exit the vehicle, and the loaded vehicle is lowered into the pit and accommodated. Therefore, when the vehicle is in the pit, the contained vehicle may be damaged if the pit is flooded due to heavy rain, for example.

  Various measures have been proposed to avoid such damage. For example, the pit multistage elevating type parking apparatus disclosed in Patent Document 1 includes a mechanism for operating a drain pump based on a detection signal from a water level detection means installed in the pit. In addition, a mechanism for raising the lowermost pallet so that it is positioned above the pit based on the detection signal is also provided.

  Patent Document 2 also discloses a pit multistage elevating parking device. This parking device includes a detecting means for detecting the possibility of submergence in the pit and a means for detecting whether or not a vehicle is present in the pit, and issues an alarm based on the detection result of these detecting means. Then, the pallet is raised above the pit.

  Also, Patent Document 3 and Patent Document 4 propose a mechanism for raising the pallet based on the detection result of the water level detection means, as in the above document.

  On the other hand, the entrance level in front of the pit of such a pit multistage elevating type parking apparatus is a boarding level for preventing an unnecessary entry of a person into the parking apparatus for safety or the like when no entry / exit work is performed. An entrance movable fence is provided. Since this entry section movable fence must be opened when carrying out loading and unloading work, there is a structure that can move up and down between the vehicle entry level (closed position) and the inside of the pit (open position). (For example, see Patent Document 5 and Patent Document 6).

These conventional entry section movable fences are not adapted to respond to flooding in the pit. Therefore, in the case of the parking apparatus in which the pallet is automatically raised when the pit is flooded as described above, it is not preferable that a person can enter the pallet when flooded.
JP-A-5-003642 Utility Model Registration No. 2530617 JP-A-10-219711 Japanese Patent No. 3854081 Japanese Patent No. 3739151 Japanese Patent No. 4008370

  The present invention has been made in order to solve the above-described problems, and is a pit multi-stage lifting type configured to retract a vehicle upward when a pit is submerged and prevent a person from entering carelessly. It is an object of the present invention to provide a parking device and a driving method for a pit multistage elevating parking device.

The pit multistage elevating parking device of the present invention is
A pit multi-stage elevating parking device in which an elevating body for raising and lowering a vehicle is disposed so as to be movable up and down in the pit and above the pit,
An entrance movable fence installed at the entrance in front of the pit,
A water level detecting means installed in the pit for detecting the water level in the pit;
In the event of an emergency in which the water level detection means has detected a predetermined first abnormal water level, the lifting body in the pit is raised above the pit and the entry section movable fence is closed, that is, the entry section movable fence is used. And an operation control device that controls to close the inlet.

  With this configuration, when the first abnormal water level in the pit is detected by the water level detecting means, the operation control device raises the lifting body above the pit to avoid water damage of the contained vehicle and the entry portion movable fence Can be closed to prevent a person from entering the parking device or the pit, thereby ensuring safety.

  In the normal time, the operation control device raises and lowers the entry section movable fence between an open position and a normally closed position, and in the emergency when the water level detection means detects the first abnormal water level, It is preferable to control to reach the emergency closed position. Here, the open position is a position at which the pedestrian and the vehicle can enter and exit, and the normally closed position is a position where the vehicle cannot enter and exit and an adult can get on and off. The emergency closing position is a position where a vehicle cannot enter and exit and a person cannot enter and exit.

  A plurality of rows are arranged in the lateral direction so that the lifting bodies can be lifted up and down independently, and the operation control device makes it impossible to lift up and down adjacent lifting bodies during the lifting and lowering of one lifting body in normal times. An interlock can be operated so that the interlock can be released in an emergency when the water level detection means detects the first abnormal water level.

  A drainage groove is formed on the bottom surface of the pit, a drain outlet for draining to the outside is provided near the bottom of the drainage groove, and the water level detection means described above is disposed in at least one of the drainage groove and near the bottom of the pit. can do.

  A drainage pump is further provided in the drainage groove, and the drainage pump is activated by the operation control device when the water level detection means detects a predetermined second abnormal water level located below the first abnormal water level. Each control by the operation control device in the emergency is performed when the water level detection means detects the first abnormal water level while the operation of the drain pump is continued. Can be.

The driving method of the pit multi-stage elevating parking device of the present invention is as follows.
A driving method of a pit multi-stage lifting parking device in which a lifting body for raising and lowering a vehicle is disposed so as to be able to move up and down in the pit and above the pit, and a movable fence that can be opened and closed is installed in the entrance in front of the pit. There,
In the event of an emergency when the water level in the pit has reached a predetermined first abnormal water level, the elevator in the pit is raised above the pit and the entry section movable fence is closed.

  According to this driving method, the elevating body is raised above the pit to avoid water damage to the contained vehicle, etc., and the entry section movable fence is closed to prevent a person from entering the parking device or the pit. Can be secured.

  In an emergency when the water level in the pit reaches the first abnormal water level, the entrance movable fence is brought to the emergency closed position, and in the normal time other than the emergency, the entrance movable fence is opened to the normal closed position. You can move up and down. Here, the open position is a position at which the pedestrian and the vehicle can enter and exit, and the normally closed position is an opening at which the vehicle cannot enter and exit and an adult can get on and off. The emergency closing position is a position where the opening of the vehicle is impossible and the opening of the person is extremely difficult.

  In the case of a parking apparatus in which the lifting bodies are arranged in a plurality of rows in the lateral direction so that they can be lifted up and down independently, in the normal time, the lifting and lowering of the adjacent lifting bodies cannot be performed while the one lifting body is being lifted. It is preferable to operate the lock, and in an emergency, release the interlock so that a plurality of rows of lifting bodies are simultaneously brought to the emergency closed position.

  In the case of a parking device in which a drainage pump is installed at the bottom in the pit, the drainage is performed when the water level in the pit reaches a predetermined second abnormal water level located below the first abnormal water level. The pump is operated, and when the water level in the pit reaches the first abnormal water level while the operation of the drainage pump is continued in the emergency, the lifting body is raised above the pit, and the entry portion It is preferable to bring the movable fence to the emergency closed position.

  According to the pit multistage elevating type parking apparatus of the present invention, when the inside of the pit is flooded, the elevating body rises above the pit to avoid flooding of the containing vehicle, etc., and the person can enter the parking apparatus or the pit. Can also be prevented.

  Embodiments of the present invention will be described below.

  FIG. 1 is a front view showing a pit multistage elevating parking apparatus (hereinafter simply referred to as a parking apparatus) according to an embodiment of the present invention. 2 is a cross-sectional view taken along the line II-II in FIG. 3 is a cross-sectional view taken along line III-III in FIG.

  In the illustrated pit P of the parking facility 1, three lifting bodies (also called pallet units) 2, 3, and 4 are arranged in parallel. Each of the pallet units 2, 3, and 4 includes upper, middle, and lower three pallets 2a, 3a, 4a, 2b, 3b, 4b, 2c, 3c, and 4c. The pallet is not particularly limited to three stages, and may be one or two stages, or four or more stages. Further, the pallet units 2, 3, and 4 are not limited to three rows, but may be one or two rows, or four or more rows. Each pallet unit 2, 3, 4 is configured to move up and down in the pit P and on the pit P. Since the pallet units 2, 3, and 4 all have the same configuration, the pallet unit 2 at the left end will be described. The pallets 2a, 2b, and 2c are fixed to each other by a support column 5 with a vertical interval therebetween. FIG. 1 shows a state in which the left pallet unit 2 is in the uppermost raised position (hereinafter referred to as the upper position) and the other pallet units 3 and 4 are in the lowered position. Arrow F in the figure indicates the approach direction of the vehicle to be entered.

  On the vehicle entry / exit side at the entry level G, an entry portion movable fence 6 for prohibiting unnecessary entry of vehicles, people, etc. is disposed so as to cover the width direction of all the pallet units 2, 3, 4. ing. As will be described later, this entry section movable fence 6 has two types of closed positions (normally closed position and emergency closed position) for prohibiting entry of vehicles and people, and open position for allowing entry of vehicles and people. It can be moved up and down. On the rear side (opposite side of the vehicle entry / exit side) of the pit P at the entry level G and on both the left and right sides, partition fences 7 having a height (for example, 1.8 m or more) that a person cannot get over are erected. .

  Hydraulic cylinders 8 for raising and lowering the pallet unit 2 are disposed on the left and right sides of the pallet unit 2 (see FIG. 2). A base end of a cylinder body (also referred to as an outer cylinder) 8a is fixed to the floor in the pit P, and a tip end of the piston rod 8b is connected so as to support the upper pallet 2a from below. Alternatively, the top end of the piston rod 8b may be fixed to the floor surface, and the upper pallet 2a may be supported by the base end of the outer cylinder 8a. The expansion and contraction of the rod 8a of the hydraulic cylinder 8 raises and lowers the pallet unit in three stages: an upper position, a middle position, and a lowered position. That is, in the present embodiment, there are two stages, that is, the upper position and the middle position as the ascending position. At the upper position, the lower pallet 2c is positioned at the ground level (entrance level) G, so that the vehicle can enter and exit. At the middle position, the middle pallet 2b is located at the entry level G, and at the lowered position, the upper pallet 2a is located at the entry level G. The other pallet units 3 and 4 have the same configuration.

  Hydraulic cylinders 9 for raising and lowering the entry portion movable fence 6 are also disposed at both left and right ends of the entry portion movable fence 6. A cylinder main body (also referred to as an outer cylinder) 9a is fixed to the floor in the pit P, and the tip of the piston rod 9b is connected to the entry section movable fence 6 so as to support it from below. The tip of the piston rod 9b may be fixed in the pit, and the entry portion movable fence 6 may be supported by the base end of the outer cylinder 9a. By the expansion and contraction of the rod 9a of the hydraulic cylinder 9, the entry portion movable fence 6 is moved up and down to the open position, the normally closed position, and the emergency closed position. 1 and 2 show the entry portion movable fence 6 in the normally closed position. Guide shoes 6a are attached to the left and right ends of the entry portion movable fence 6 (see FIG. 1). And this guide shoe 6a engages with the guide pole 20 erected on the left and right outwards of the entry portion movable fence 6 to guide the raising and lowering of the entry portion movable fence 6.

  Here, the open position is a position where the entry section movable fence 6 does not get in the way when a person or a vehicle enters or exits. For example, it is the position where the entry section movable fence 6 descends and is immersed in the pit P (see FIG. 6). The normally closed position is the position of the entry portion movable fence 6 when the vehicle is not being loaded and unloaded at normal times and when the pallet unit is moving up and down. That is, the vehicle is in a height position at which it is possible to get in and out by getting over, such as striding over the vehicle, although the vehicle cannot enter and exit due to interference with the entry section movable fence 6 (see FIGS. 1 and 7). For example, the upper end of the entry section movable fence 6 is a position at a height of about 1.1 m from the ground (entrance level G). The emergency closed position is a movable fence position where entry of a vehicle is extremely difficult, as well as inability to enter and exit of the vehicle in an emergency such as flooding in the pit. In other words, the vehicle is in a high position where it is impossible to enter and exit due to interference and it is extremely difficult for even an adult to get over (see FIG. 8). For example, the upper end of the entry portion movable fence 6 is a position where the height is about 1.8 m or more from the ground (entrance level G). Moreover, the entrance part movable fence 6 is formed in the dimension in which the space | interval of 15 cm or more is not formed between the lower end and the ground in the normally closed position and the emergency closed position. That is, the vertical width of the entry portion movable fence 6 is set to 1.65 m or more. Therefore, in the case of the entrance portion movable fence 6 constituted by a single piece, in the normally closed position, the lower portion thereof is immersed in the pit P as shown in FIGS.

  A hydraulic unit 10 having a watertight structure is installed on the floor in the pit P as a common driving device for operating the hydraulic cylinders 8 of all the pallet units 2, 3, 4 and the hydraulic cylinder 9 of the entrance movable fence 6. Has been. By this single hydraulic unit 10, the pallet units 2, 3, 4 and the entry section movable fence 6 are moved up and down in linkage through the hydraulic oil supply tube 10 a (FIG. 2). The hydraulic unit 10 is installed between the pallet units so as not to hinder the lifting and lowering of the pallet units. Thus, in order to arrange the hydraulic unit 10 in the pit P, it is desirable that the hydraulic unit 10 is healthy even when the pit P is submerged. For this purpose, it is preferable to use a hydraulic unit proposed by the present applicant in Japanese Patent Laid-Open No. 2002-106199. Of course, in the present invention, the hydraulic unit may be arranged on the pit (entrance level G).

  As described above, in the present embodiment, the hydraulic cylinders 8 and 9 are used as the raising and lowering drive devices for the pallet units 2, 3, and 4 and the entry portion movable fence 6. However, the present invention is not limited to this configuration, and other drives such as chain sprockets are used. A mechanism may be used.

  A control device 11 that controls the operation of the parking device 1 including the operation of the hydraulic unit 10 is disposed on the ground in the fence 7. A driving operation panel 12 for an administrator or a user to drive the parking apparatus 1 is installed at the vehicle entrance / exit end of the parking apparatus 1.

  FIG. 4 shows the operation panel 12. The operation panel 12 is provided with an alarm lamp 13, a lift switch 14, a selector switch 15, a key switch 16 for releasing the interlock, and a power key switch 17. Furthermore, a rotation warning lamp 21 is attached to the top. A buzzer may be added to the rotation warning lamp 21.

  The alarm lamp 13 is turned off when the pallet units 2, 3, and 4 are in their respective fixed positions (the lowered position, the middle position, and the upper position), and lights up when the pallet units 2, 3, and 4 are moved to other positions or stopped. In addition, it flashes if an abnormality or failure occurs in the parking device 1. The rotation warning lamp 21 rotates the warning lamp while generating an alarm sound when a condition set as an emergency occurs, for example, when a first water level sensor 18a described later detects the first water level. The raising / lowering switch 14 is a switch for raising / lowering the pallet units 2, 3, 4, and is operated when the pallet targeted for entry / exit of the vehicle is the middle pallet 2 b, 3 b, 4 b or lower pallet 2 c, 3 c, 4 c. In this embodiment, the switch 14 is of an inching type, and the pallet unit moves up and down only during rotation and stops when released. However, the configuration is not limited. The selector switch 15 is for selecting a pallet unit to be operated. The interlock release key switch 16 is a switch for operating or releasing an interlock that disables the raising / lowering of the adjacent pallet unit during the raising / lowering of any one pallet unit. In normal times, the switch 16 is interlocked. And, if it is expected that the inside of the pit P will be inundated due to flooding, etc., the manager will release the interlock with this interlock release key switch 16 in order to lift and retract all the pallets in advance. To do. The power key switch 17 is a switch for turning on / off the power of the parking apparatus 1. In this embodiment, a key with a solenoid lock mechanism is employed, and the pallet units 2, 3, and 4 cannot be removed at a position other than the storage home position (the lowered position in this embodiment). However, the configuration is not limited.

  A drainage groove C dug deeper is formed at the bottom of the pit P. A drainage pipe D for discharging the water in the pit P to an external sewer is connected to the drainage groove C. In the drain groove C, a water level sensor 18 and a drain pump 19 are installed. As the water level sensor 18, a float switch, an electrode type switch, a capacitance type switch or the like can be adopted. The water level sensor 18 includes a first water level sensor 18a that detects the first water level in the drainage groove C and a second water level sensor 18b that detects the second water level below the first water level. The discharge port of the drain pump 19 is directed to the drain pipe D. The second water level sensor 18b is for operating the drainage pump 19 based on the detection result, and the first water level sensor 18a is based on the detection result so that all the pallet units 2, 3 and 4 are raised to the upper position, and the entrance movable fence 6 is raised to the emergency closing position described above.

  Note that the number of water level sensors is not limited to two. For example, when a third water level sensor that detects a third water level below the second water level detected by the second water level sensor 18b is installed and the water level drops from the second to the third after the drain pump 19 is operated, the control is performed. The apparatus 11 may stop the operation of the drain pump 19. Further, in order to start and stop the operation of the drain pump 19, a drain pump with a float switch having a function as a second and third water level sensor may be employed.

  Normally, the positions of the lowest pallets 2c, 3c, 4c are slightly higher than the bottom of the pit. Therefore, even when the drainage groove C is not formed and a drainage pipe is connected near the bottom of the pit, or even when the drainage groove C is formed, the water level sensors 18a and 18b are not connected. It may be arranged near the bottom of the pit P and at a position below the lowest pallets 2c, 3c, 4c. Even with such a configuration, it is possible to avoid flooding of the accommodation vehicle.

  The control device 11 controls the operation of the drive system such as the hydraulic unit 10 based on the operation signal from the driving operation panel 12. The hydraulic unit 10 is controlled so as to have an interlock function for prohibiting adjacent pallet units 2, 3, 4 from moving up and down simultaneously in a normal operation state. This is a safety consideration. Further, the hydraulic unit 10 is controlled so as to raise and lower each pallet unit 2, 3, 4 to three positions of a lowered position, a middle position, and an upper position. In addition, when the inside of the pit P is inundated due to rain or the like, the control device 11 detects the water level sensors 18a and 18b to protect the accommodation vehicle and the device 1 regardless of the operation of the operation panel 12. The operation of the hydraulic unit 10 as well as the drain pump 19 is controlled by the signal. This will be described below.

  When the pit P is flooded, the control device 11 first operates the drainage pump 19 by a second water level detection signal from the second water level sensor 18b. Next, if the water level rises and the first water level sensor 18a detects the first water level even though the drainage pump 19 is draining, all the pallet units 2, 3, and 4 are raised above the pit P. By doing so, flood damage is avoided. However, if an interlock is working in the operation of all the hydraulic cylinders 8 by the hydraulic unit 10, the pallet unit must be raised one by one, which takes too much time. Therefore, even if the interlock release key switch 16 is set to the interlock operation, the control device 11 releases the interlock by the detection signal of the first water level sensor 18a. At the same time, the operation of the hydraulic unit 10 is controlled so that all the hydraulic cylinders 8 raise all the pallet units 2, 3, 4 to the upper position at once.

  Further, the control device 11 controls the operation of the hydraulic unit 10 so that the movable fence hydraulic cylinder 9 raises the loading section movable fence 6 to the emergency closing position simultaneously with or prior to driving of all the hydraulic cylinders 8. To prevent people from entering. This control prevents the pallet and the accommodation vehicle from being submerged and also prevents a person from entering the parking device 1 in the flooded pit P.

  Further, the control device 11 activates the alarm lamp 13 and the rotation warning lamp 21 described above simultaneously with or prior to the above-described operation control of the hydraulic unit 10 to notify that there is an emergency.

  Each position of the pallet units 2, 3, 4 and the entry portion movable fence 6 will be described with reference to FIGS. 6 to 8. 6 to 8, the hydraulic cylinders 8 and 9, the guide pole 20, the hydraulic unit 10, and the like are not shown.

  FIG. 6 shows the state of the parking apparatus 1 during the entering / exiting operation. That is, the entry portion movable fence 6 indicated by the two-dot chain line is in the open position in the pit P, the leftmost pallet unit 2 is raised to the upper position, and the vehicle M is on the lower pallet 2c. In addition, it is not raining and the pit P is not flooded. The rotation warning lamp 21 of the driving operation panel 12 is also turned off.

  FIG. 7 shows a state where the entry of the vehicle M to the lower pallet 2c is completed and the pallet unit 2 is about to descend to the lowered position (storage position) in the pit P. The entrance movable fence 6 is raised to the normally closed position before descending. In addition, it is raining, and rainwater flows into the pit P. However, the rainwater that flows in at such a normal level of rain is collected in the drain C without being collected and drained through the drain pipe D to an external sewer. Therefore, the water level sensor 18 does not operate. The rotation warning lamp 21 is also turned off.

  FIG. 8 shows a state in which the pit P is inundated due to flooding or the like, and all the pallet units 2, 3, 4 are simultaneously lifted and retreated to the upper position by the water level detection of the first water level sensor 18 a. Along with this, the entrance movable fence 6 is raised to the emergency closed position. The rotation warning lamp 21 is lit and rotated to sound a buzzer to notify that it is an emergency.

  Next, an example of raising / lowering operation control of the pallet units 2, 3, 4 and the entrance movable fence 6 by the control device 11 will be described with reference to the flowchart of FIG. 5 and FIGS. 6 to 8.

  (1) The first water level sensor 18a detects the first water level.

  (2) Then, the control device 11 determines whether or not the parking device 1 is waiting for entry / exit based on a signal from the operation panel 12, that is, the power switch 17 is “OFF” and the entry section movable fence 6 is in a normal state. It is determined whether or not it is in the closed position. When the power switch 17 is “ON” and the loading section movable fence 6 is in the open position as shown in FIG. 6, it is determined that the loading / unloading operation is in progress.

  (3) Then, the control device 11 issues an operation command such as an emergency alarm. That is, the alarm lamp 13 and the rotation warning lamp 21 (FIG. 4) are activated.

  (4) In accordance with this command, the user or administrator cancels or completes the warehouse operation. That is, the entrance section movable fence 6 is closed and the power switch is turned off.

  (5) When it is determined in (2) that it is waiting for entry / exit, or when the entry / exit operation is stopped or completed in (4), that is, as shown in FIG. When in the normally closed position, it is determined based on a signal from the operation panel 12 whether or not the interlock key switch is in the “operation” position.

  (6) This interlock release command is issued at the “operation” position.

  (7) At the same time, a flood countermeasure command is issued. Further, in the above (5), if it is not the “operation” position, it is determined as the “release” position, and a flood countermeasure command is issued directly. That is, the control device 11 issues an ascending command signal to the “emergency closed position” of the entrance movable fence 6 and an ascending command signal to the upper positions of all the lifting bodies (pallet units) 2, 3, 4.

  (8) It is confirmed whether or not the entrance movable fence 6 is raised to the emergency closed position by this flooding countermeasure command (FIG. 8).

  (9) When it is confirmed that the entry section movable fence 6 is raised to the emergency closed position, it is confirmed whether or not all the pallet units 2, 3, and 4 are automatically raised and retracted to the upper position (FIG. 8). Is done.

  The operations after the emergency closing of the entry portion movable fence 6 and the lifting and retreating of the pallet units 2, 3, 4 in (8) and (9) are as described above although not shown. That is, when the water level in the pit drops due to the driving of the drain pump 19 and the third water level sensor no longer detects the third water level, the drain pump 19 is stopped and the parking device 1 automatically operates. It becomes possible. That is, the interlock release command and the flooding countermeasure command are released. Specifically, the interlock is operated, and the entry portion movable fence 6 is lowered to the normally closed position. The rotation warning lamp 21 is turned off.

  In the embodiment described above, the normal closed position and the emergency closed position of the entry portion movable fence 6 are set above the pit P, and the open position is set within the pit P. However, it is not limited to such a configuration. For example, a frame assembly that supports the entry portion movable fence so as to be movable up and down is erected on the ground, and the normally closed position and the emergency closed position may be the same as those in the above-described embodiment, and the open position may be higher than those. That is, a person or a vehicle can pass under the entrance portion movable fence located above. Moreover, in the said embodiment, although the entrance part movable fence was comprised by one sheet, it is not limited to this structure, It is good also as a superposition | polymerization type of several sheets. In this case, in the open position, it is stored in the pit P in a polymerized state, and the polymerization is released in the normally closed position and the emergency closed position, so that the entrance portion can be largely sealed.

  As described above, according to the present invention, when the inside of the pit is submerged, the elevating body rises above the pit to avoid flooding of the contained vehicle and the like, and also prevents people from entering the parking device or the pit. be able to. Therefore, the present invention is useful for a parking apparatus where rainwater may enter, such as outdoors.

It is a front view which shows one Embodiment of the pit multistage raising / lowering parking apparatus which concerns on this invention. It is the II-II sectional view taken on the line of FIG. It is the III-III sectional view taken on the line of FIG. It is a front view which shows an example of the driving | operation control panel in the parking apparatus of FIG. It is a flowchart which shows one Embodiment of the operating method of the raising / lowering apparatus which concerns on this invention. It is a front view which shows an example of the operation state of the parking apparatus of FIG. It is a front view which shows the other example of the operation state of the parking apparatus of FIG. It is a front view which shows the further another example of the operation state of the parking apparatus of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Elevating device 2, 3, 4 ... Pallet unit 2a, 3a, 4a ... Upper pallet 2b, 3b, 4b ... Middle pallet 2c, 3c, 4c ... Lower pallet 5 ... Post 6 ... Entrance part movable fence 7 ... Partition fence DESCRIPTION OF SYMBOLS 8 ... Hydraulic cylinder 9 ... Hydraulic cylinder 10 ... Hydraulic unit 11 ... Control device 12 ... Operation panel 13 ... Alarm lamp 14 ... Elevating switch 15 ... Selector switch 16 ... Interlock release key switch 17 ... Power key switch 18 ... Water level sensor 19 ... Drainage pump 20 ... Guide pole 21 ... Rotation warning light C ... Drainage groove D ... Drainage pipe G ... Entry level M ... Vehicle P ... Pit

Claims (9)

A pit multi-stage elevating parking device in which an elevating body for raising and lowering a vehicle is disposed so as to be movable up and down in the pit and above the pit,
An entrance movable fence installed at the entrance in front of the pit,
A water level detecting means installed in the pit for detecting the water level in the pit;
An operation control device for controlling the raising / lowering body in the pit to be raised above the pit and closing the entry section movable fence in an emergency when the water level detection means detects a predetermined first abnormal water level. Equipped with a pit multistage elevating parking system. The operation control device is configured to close in an emergency in the event of an emergency in which the entry section movable fence moves up and down between an open position and a normally closed position in a normal state, and the water level detecting means detects the first abnormal water level. Control to reach the position,
The open position is a position at which the pedestrian and the vehicle can enter and exit, and the normally closed position is a position where the vehicle cannot enter and exit and an adult can get over and go through the emergency position. 2. The pit multistage elevating parking apparatus according to claim 1, wherein the hourly closing position is a position where a vehicle cannot enter and exit and a person cannot enter and exit. Each of the elevating bodies is arranged in a plurality of rows in the lateral direction so that each can be moved up and down independently,
The operation control device operates the interlock so that the raising / lowering of the adjacent lifting body is impossible during the lifting / lowering of one lifting body, and the water level detection means detects the first abnormal water level. 3. The pit multistage elevating parking apparatus according to claim 1, wherein the pit multistage elevating parking apparatus is controlled to release the interlock in an emergency. A drainage groove is formed on the bottom surface of the pit, and a drainage port for draining to the outside is open near the bottom of the drainage groove,
The pit multistage elevating parking apparatus according to any one of claims 1 to 3, wherein the water level detection means is disposed in at least one of the drainage groove and the vicinity of the bottom of the pit. A drainage pump is further provided in the drainage groove;
The operation control device controls the water pump to operate when the water level detection means detects a predetermined second abnormal water level located below the first abnormal water level,
The control by the operation control device in the emergency is performed when the water level detection means detects the first abnormal water level while the operation of the drain pump is continued. The pit multistage elevating parking device according to any one of the above. A driving method of a pit multi-stage lifting parking device in which a lifting body for raising and lowering a vehicle is disposed so as to be able to move up and down in the pit and above the pit, and a movable fence that can be opened and closed is installed in the entrance in front of the pit. There,
In an emergency when the water level in the pit reaches a predetermined first abnormal water level, the elevating body in the pit is raised above the pit, and the entry section movable fence is closed, and the pit multistage elevating parking device Driving method. In an emergency when the water level in the pit reaches the first abnormal water level, the entrance movable fence is brought to the emergency closed position, and in the normal time other than the emergency, the entrance movable fence is opened to the normal closed position. Move up and down,
The open position is a position at which the pedestrian and vehicle can enter and exit, and the normally closed position is a position at which the vehicle cannot enter and exit and can be reached by an adult. 7. The method of operating a pit multi-stage elevating parking apparatus according to claim 6, wherein the emergency closing position is a position at which the opening of the vehicle is impossible and the opening of the person is extremely difficult. Each of the elevating bodies is arranged in a plurality of rows in the lateral direction so that each can be moved up and down independently,
During the normal operation, the interlock is operated so that the adjacent elevator cannot be raised or lowered during the raising or lowering of one elevator, and in the event of an emergency, the interlock is released and multiple rows of elevators are simultaneously closed in an emergency. The driving method of a pit multistage elevating parking apparatus according to claim 6 or 7, wherein the pit multistage elevating parking apparatus is brought to a position. A drainage pump is installed at the bottom of the pit,
When the water level in the pit reaches a predetermined second abnormal water level located below the first abnormal water level, the drain pump is operated,
When the water level in the pit reaches the first abnormal water level while the operation of the drainage pump continues in the emergency, the lifting body is raised above the pit, and the entrance movable fence is The driving method of a pit multistage elevating parking device according to claim 7 or 8, wherein the pit multistage elevating parking device is brought to a closed position.

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