JP2010121409A - Freeze preventing device for mechanical parking system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a freeze preventing device for a mechanical parking system which can stably prevent snow cover and freezing on components of the mechanical parking system for a long period of time, so that work-failure and malfunction can be prevented stably over a long period of time, while preventing dew formation on the undersurface of a pallet for preventing staining of a vehicle. <P>SOLUTION: The freeze preventing device for a mechanical parking system includes a heating wire 22 closely stuck on the non-functional surfaces of the components (pallets, stepped surfaces, limit switches, fall prevention devices, and photocells) of the mechanical parking system, an elastic heat insulating material 24 for covering the whole surface of the heating wire, a support cover 26 made of metal for covering the whole surface of the elastic heat insulating material in a compressed state. Electric current is applied to the heating wire 22 to heat the non-functional surfaces of the components. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a mechanical parking apparatus used outdoors, and more particularly to an antifreezing apparatus for a mechanical parking apparatus in which pallets are arranged in two or more stages.

  As a mechanical parking apparatus in which pallets are arranged in two or more stages, a two-stage or three-stage elevating parking apparatus has been proposed. As shown in FIGS. 4 and 5, the three-stage lifting / lowering parking apparatus is configured such that a pallet column 2 that supports three pallets 1 so as to sandwich the pallet 1 is movable up and down between main columns 3. The pallet column 2 of the pallet 1 is moved up and down by a drive unit 4 provided on the main column 3. By operating the operation panel 5 and moving the pallet 1 together with the pallet support 2, the mounted vehicle 6 can be easily discharged from the pit 7.

  On the other hand, when the automobile 6 is stored in the lower pallet 1, the lower pallet 1 is raised to the loading / unloading level L together with the pallet column 2, and the automobile 6 is placed at this position. Similarly, when the automobile 6 is stored in the middle pallet 1, each pallet 1 is raised from the inside of the pit 7 together with the pallet column 2 to the storage / loading level L, and the automobile 6 is placed at this position.

If the above-described mechanical parking device is installed outside in a snowy cold region, snow may accumulate on the pallet surface or step (walkway) surface, which may make it difficult for vehicles to enter and exit and to pass people.
For this reason, various anti-freezing measures have been conventionally proposed (for example, Patent Documents 1 to 4).

In Patent Document 1, in order to prevent the rail from freezing, a heating element is disposed in the hollow portion of the rail.
In Patent Document 2, an electric heater is attached to the front or back surface of a rail, and the power supply is interrupted when the transport unit is driven.
In Patent Document 3, an airtight hollow portion is formed on the lower surface side of a floor board member, and the inside thereof is formed into a heat pipe.
In Patent Document 4, a hot air injection device for injecting hot air toward an upper pallet is provided in a pit.

Japanese Patent No. 3163498, “Outdoor exposure type three-dimensional parking device” JP-A-6-257303, “three-dimensional parking facility” Japanese Utility Model Laid-Open No. 7-8426, “Snow melting structure of floor plate member of multilevel parking device” JP 2001-279632 A, “Snow Melting Device and Snow Melting Method for Mechanical Parking Device”

Outside the snowy cold region, snow may fall on the upper pallet and step surface of the conventional two-step or three-step lift parking device, making it difficult to enter and exit vehicles and to pass people.
In addition, if ice or dew condensation adheres to the limit switch for detecting the lift position, the fall prevention device for preventing the fall, or the photoelectric tube for safety confirmation, these functions may be hindered, resulting in malfunction or malfunction. It was.

In addition, in order to melt the snow on the pallet and step surface, if a heating wire is attached to the back of the pallet and step, and a rubber plate is attached with an adhesive to cover the heating wire, condensation due to heat from the heating wire may occur. The rubber plate peeled off due to the generated moisture and the heat of direct sunlight, and there was a problem that the heating performance was greatly deteriorated.
In addition, when the heating wire and rubber plate are attached with adhesive, condensation tends to occur on the back of the pallet (the bottom of the rubber plate), and the water generated by the condensation drops and soils the car on the lower pallet. There was a point.

  The present invention has been developed to solve the above-described problems. That is, the object of the present invention is to stably prevent snow accumulation and freezing on the mechanical parking device components (pallets, step surfaces, limit switches, fall prevention devices, phototubes) for a long period of time. An object of the present invention is to provide an anti-freezing device for a mechanical parking device that can stably prevent the operation for a long period of time and prevent condensation on the lower surface of the pallet to prevent the vehicle from being contaminated.

According to the present invention, it is a freeze prevention device for a mechanical parking device that raises and lowers pallets arranged in a plurality of stages and stores a car in each pallet,
A heating wire attached in close contact with the non-functional surface of the structural device of the mechanical parking device;
An elastic heat insulating material covering the entire surface of the heating wire;
A metal support cover that covers the entire surface of the elastic heat insulating material in a compressed state;
An anti-freezing device for a mechanical parking device is provided, wherein an electric current is passed through the heating wire to heat a non-functional surface of a component device.

According to a preferred embodiment of the present invention, the non-functional surface of the component device is a lower surface of the pallet,
A plurality of rod-shaped members which are distributed on the lower surface and whose upper ends are welded to the lower surface and extend downward;
The metal support cover has a through hole at a position corresponding to the rod-shaped member, and supports the entire surface of the elastic heat insulating material in a compressed state by a screw member that is screwed with a lower end portion of the rod-shaped member.

  Moreover, according to another embodiment, the said heating wire is a small heat generating body waterproof-molded.

  According to another embodiment, the non-functional surface of the component device is a striker or lever of a limit switch that detects the lift position of the pallet.

  According to another embodiment, the non-functional surface of the component device is a main body of a fall prevention device that prevents the pallet from dropping.

  According to another embodiment, the non-functional surface of the component device is an inner surface of a sealed case that houses a photoelectric tube for safety confirmation, and the sealed case is liquid-tightly attached to the optical axis position of the photoelectric tube. A transparent plate.

  According to the configuration of the present invention, the heating wire is in close contact with the non-functional surface of the component device, the entire surface is covered with the elastic heat insulating material, and the metal support cover covers the entire surface of the elastic heat insulating material in a compressed state. Even if the adhesive surface of the heat wire is peeled off, the elasticity of the elastic heat insulating material can maintain the close contact between the heating wire and the non-functional surface, enabling stable installation that is not affected by condensation or heat, and preventing deterioration of the heating performance. be able to.

  Moreover, since the elastic heat insulating material covers the entire surface of the heating wire, heating of the support cover by the heating wire can be suppressed, and condensation on the inner surface and the outer surface of the support cover can be prevented.

  In particular, the non-functional surface of the component device is the lower surface of the pallet, the upper end is welded to the lower surface, the upper end is welded to the lower surface, and has a plurality of rod-like members (for example, screw rods) extending downward, the metal The made support cover has a through hole at a position corresponding to the rod-shaped member, and is configured to support the entire surface of the elastic heat insulating material in a compressed state by a screw member (for example, a nut) that is screwed with a lower end portion of the rod-shaped member. Therefore, the support cover and the elastic heat insulating material can be detached only by detaching the screw member, so that the maintainability is improved.

  Further, by using a waterproof molded small heating element as the heating wire, it is possible to heat the striker or lever of the limit switch, the main body of the fall prevention device, and the case inner surface of the phototube, and the inner surface of the support cover by the elastic heat insulating material. In addition, condensation on the outer surface can be prevented.

  Therefore, snow accumulation and freezing on mechanical parking device components (pallets, step surfaces, limit switches, fall prevention devices, phototubes) can be stably prevented for a long period of time, thereby preventing malfunctions and malfunctions for a long time. In addition, the dew condensation on the lower surface of the pallet can be prevented to prevent the vehicle from being contaminated.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, the same code | symbol is attached | subjected to the common part in each figure, and the overlapping description is abbreviate | omitted.

FIG. 1 is an overall perspective view of a mechanical parking apparatus provided with an antifreezing device according to the present invention.
In this figure, the mechanical parking device is a three-step lift parking device, 10 is a pallet, 11 is a step, 12 is a splint, 13 is a hydraulic cylinder, 14 is a chain for interlocking, 15 is a hydraulic unit, and 16 is a control. A panel, 17 is a stand type operation panel, 18 is a fall prevention device, and 19 is a photoelectric tube.

The pallet 10 includes an upper pallet, a middle pallet, and a lower pallet. The joint struts 12 are supported so as to sandwich the three pallets 10, and an automobile (not shown) is placed on each upper surface. The hydraulic cylinder 13 moves up and down the three pallets 10 and the joint struts 12 integrally with the pressure oil supplied from the hydraulic unit 15. The interlocking chain 14 interlocks the front and rear of the pallet when ascending and descending to prevent its inclination.
With this configuration, the control panel 16 and the stand type operation panel 17 are used to position each pallet 10 at the loading / unloading height by simply raising and lowering the pallet 10 together with the joint column 12, and the vehicle is loaded / unloaded at this position. ing.

The fall prevention device 18 projects to the pallet side when the pallet 10 is raised and the middle pallet or the lower pallet is positioned at the loading / unloading height, and mechanically prevents the fall and enhances safety. It has become.
Further, the photoelectric tube 19 includes a light emitting unit 19a that emits horizontal light and a light receiving unit 19b that receives the light. When a person or the like blocks the horizontal light, the device is stopped to ensure safety. It has become.
Furthermore, this mechanical parking apparatus is provided with a limit switch (not shown) for detecting the lift position.

2 is a partial cross-sectional view of the upper pallet of FIG.
As shown in this figure, the antifreezing device of the present invention includes a heating wire 22, an elastic heat insulating material 24, and a support cover 26.

The heating wire 22 is attached in close contact with a non-functional surface of a component device of the mechanical parking apparatus.
In this example, the component device is the upper pallet 10, and the non-functional surface of the component device is the lower surface of the upper pallet 10. The heating wire 22 is an electric resistance wire covered with an insulating material. The means for attaching the heating wire 22 may be an adhesive tape, attachment with an adhesive, fixing with screws, or embedding with heat conductive cement.

The elastic heat insulating material 24 is a heat insulating material that covers the entire surface of the heating wire 22 and has flexibility and elasticity. The elastic heat insulating material 24 may be a heat insulating material that can be used by being compressed, and may be a cold insulating material such as plastic foam or a heat insulating material. Preferably, for example, Softlon (trademark) having a thickness of 4 mm is used.
Moreover, it is preferable that the elastic heat insulating material 24 is appropriately divided along the surface of the heating wire 22.

The support cover 26 is made of metal, and covers the entire surface of the elastic heat insulating material 24 in a compressed state.
In this example, a plurality of rod-like members 27 (screw rods in this example) are distributed and positioned on the lower surface of the upper pallet 10, and their upper ends are welded to the lower surface of the upper pallet 10 and extend downward.
The metal support cover 26 has a through hole at a position corresponding to the rod-shaped member 27 and is screwed into a lower end portion of the rod-shaped member 27 and is screwed with a screw member 28 (in this example, a nut) to cover the entire surface of the elastic heat insulating material 24. Is supported in a compressed state.
The present invention is not limited to this configuration, and the rod-shaped member 27 may be a rod having a female screw hole at the lower end, and the screw member 28 may be a screw having a male screw.
Moreover, it is preferable that the support cover 26 is appropriately divided along the surface of the elastic heat insulating material 24 in order to facilitate replacement.

The anti-freezing device according to the present invention includes a power supply device (not shown) for passing a current through the heating wire 22 and a temperature control device (not shown). The lower surface is heated to a predetermined temperature range.
In this control, heating is started by a snow detection sensor and a temperature sensor (not shown) based on snow accumulation and a temperature drop, and is stopped when a predetermined temperature (for example, 5 ° C. or higher) is reached.
In addition, the power supply device that supplies current to the heating wire 22 stops supplying the current to the heating wire 22 while the parking device is driven, and the power supply device is heated when the parking device stops driving. It is also possible to perform control such that power is supplied to the power supply 22, and it is possible to suppress an increase in power supply capacity due to basic charges and the simultaneous use of the parking device and the heating wire 22.

  Furthermore, it is preferable to provide a similar antifreezing device on the lower surface of step 11.

  With the above-described configuration, the heating wire 22 is in close contact with the non-functional surface of the component device (in this example, the lower surface of the upper pallet 10 and the step 11), the entire surface thereof is covered with the elastic heat insulating material 24, and the metal support cover 26 is elastic. Since the entire surface of the heat insulating material 24 is covered in a compressed state, even if the adhesion surface of the heating wire 22 is peeled off due to deterioration or the like, the elasticity of the elastic heat insulating material 24 can maintain the close contact between the heating wire 22 and the non-functional surface. Stable attachment without being affected by the above becomes possible, and the deterioration of the heating performance can be prevented.

  In addition, since the elastic heat insulating material 24 covers the entire surface of the heating wire 22, the heating of the support cover 26 by the heating wire 22 can be suppressed, and condensation on the inner surface and the outer surface of the support cover 26 can be prevented.

  Furthermore, since the support cover 26 and the elastic heat insulating material 24 can be attached / detached only by attaching / detaching the screw member 28 (nut in this example), the maintainability is improved.

FIG. 3 is a schematic diagram of the vicinity of the limit switch (A), the vicinity of the fall prevention device (B), and the vicinity of the phototube (C) in FIG.
3A, 3B, and 3C, the heating wire 22 is a small heating element 22a that is waterproof molded. The small heating element 22a is preferably an electric resistance wire molded with an insulating material, and a lead wire (not shown) for passing an electric current is attached to the electric resistance wire.

In FIG. 3A, the component device is a limit switch 30 that detects the lift position of the pallet 10, and the non-functional surface is a striker 31 or a limit switch lever 30a.
The small heating element 22a is adhered and adhered to the surface of the striker 31 and the limit switch lever 30a (the part that does not affect the function), and the entire surface is covered with an elastic heat insulating material 24 (not shown). The entire surface of the elastic heat insulating material 24 is covered in a compressed state.
The outer periphery of the support cover 26 is preferably fixed to the striker 31 or the limit switch lever 30a with a screw or the like with the elastic heat insulating material 24 sandwiched therebetween.
Other configurations are the same as those in FIG.

In FIG. 3B, the component device is a fall prevention device 18 that prevents the pallet 10 from falling, and its non-functional surface is its main body.
Other configurations are the same as those in FIG.

In FIG. 3C, the constituent device is a photoelectric tube 19 for safety confirmation, and the non-functional surface is the inner surface of a sealed case 32 that houses the photoelectric tube for safety confirmation. The wiring hole of the sealed case 32 is caulked for liquid tightness. A transparent plate 32a is liquid-tightly attached to the optical axis of the phototube 19.
Other configurations are the same as those in FIG.

With the above-described configuration, by using a waterproof molded small heating element 22a as the heating wire 22, the striker 31 or limit switch lever 30a of the limit switch 30, the main body of the fall prevention device 18, and the inner surface of the sealed case 32 of the photoelectric tube 19 The elastic heat insulating material 24 can prevent dew condensation on the inner and outer surfaces of the support cover 26.
Other effects are the same as in FIG.

  Therefore, according to the present invention, it is possible to stably prevent snow accumulation and freezing on the constituent devices of the mechanical parking device (pallet 10, step 11, limit switch 30, fall prevention device 18, photoelectric tube 19) for a long period of time. It is possible to stably prevent malfunctions and malfunctions for a long period of time, and prevent condensation on the bottom surface of the pallet, thereby preventing vehicle contamination.

In addition, this invention is not limited to embodiment mentioned above, is shown by description of a claim, and also includes all the changes within the meaning and range equivalent to description of a claim.
For example, in the above-described example, the three-stage elevator parking apparatus has been described. However, the present invention is not limited to the three-stage elevator parking apparatus, and can be similarly applied to other mechanical parking apparatuses.

It is a whole perspective view of the mechanical parking apparatus provided with the antifreezing apparatus of this invention. It is a fragmentary sectional view of the upper stage pallet of FIG. FIG. 2 is a schematic view of the vicinity of the limit switch, the fall prevention device, and the vicinity of the phototube in FIG. 1. It is a front view which shows the conventional three-step raising / lowering parking apparatus. It is a side view which shows the conventional three-step raising / lowering parking apparatus.

Explanation of symbols

10 pallets, 11 steps, 12 splices,
13 hydraulic cylinders, 14 interlocking chains, 15 hydraulic units,
16 control panel, 17 stand type operation panel, 18 fall prevention device,
19 Phototube, 19a Light emitting part, 19b Light receiving part,
22 heating wire, 24 elastic heat insulating material, 26 support cover,
27 threaded rod, 28 nut, 30 limit switch,
30a limit switch lever, 31 striker, 32 case, 32a transparent plate

Claims (6)

An anti-freezing device for a mechanical parking device that raises and lowers pallets arranged in multiple stages and stores a car in each pallet,
A heating wire attached in close contact with the non-functional surface of the structural device of the mechanical parking device;
An elastic heat insulating material covering the entire surface of the heating wire;
A metal support cover that covers the entire surface of the elastic heat insulating material in a compressed state;
An anti-freezing device for a mechanical parking device, wherein an electric current is passed through the heating wire to heat a non-functional surface of a component device. The non-functional surface of the component device is the lower surface of the pallet,
A plurality of rod-shaped members which are distributed on the lower surface and whose upper ends are welded to the lower surface and extend downward;
The metal support cover has a through hole at a position corresponding to the rod-shaped member, and supports the entire surface of the elastic heat insulating material in a compressed state by a screw member screwed with a lower end portion of the rod-shaped member. The freeze prevention device for a mechanical parking device according to claim 1, wherein the device is an anti-freezing device.   The antifreezing device for a mechanical parking device according to claim 1, wherein the heating wire is a small heating element molded with waterproofing.   The anti-freezing device for a mechanical parking device according to claim 1, wherein the non-functional surface of the component device is a striker or a lever of a limit switch that detects a lift position of the pallet.   The anti-freezing device for a mechanical parking device according to claim 1, wherein the non-functional surface of the component device is a main body of a fall prevention device that prevents the pallet from dropping.   The non-functional surface of the component device is an inner surface of a sealed case that accommodates a photoelectric tube for safety confirmation, and the sealed case includes a transparent plate that is liquid-tightly attached to the optical axis position of the photoelectric tube. The antifreezing device for a mechanical parking device according to claim 1.

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