JP7204993B2 - Elevator oil recovery equipment - Google Patents

Description

The present invention relates to an elevator oil recovery device for recovering oil supplied to guide rails.

Conventionally, there has been proposed a guide rail oil receiving device for an elevator in which an oil receiving pan is disposed inside the lower side of the shock absorber base of the guide rail in order to collect oil supplied to the guide rail (see, for example, Patent Document 1). .

JP 2017-197301

The container that collects the oil that has fallen from the guide rail onto the guide rail shock absorber base is usually box-shaped, and the oil collected in the container must be collected. Here, in the device of Patent Document 1, in addition to this container, it is necessary to provide a device that serves as a path for guiding oil to this container and a door for taking out this container on the guide rail shock absorber base. There was a problem that the In addition, since this container is placed inside the lower side of the shock absorber base of the guide rail, first open the door on the top side, take out the container, collect the oil, and then return the container to its original position. and the door must be closed. However, there was a problem that the trouble of performing this series of operations was complicated. In addition, when cleaning the oil accumulated in the container, there is a problem that it takes time and effort to wipe off the oil because the container is box-shaped.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and its object is to provide an oil recovery device that facilitates oil recovery work and cleaning without providing a container or the like for storing oil. That is.

An elevator oil recovery device according to the present invention is an elevator oil recovery device provided on the upper surface of a shock absorber base that supports the bottoms of a pair of elevator guide rails. When viewed from the vertical direction, the lower end surface is in contact with the lipophilic area, which is formed so as to surround the guide rail with an oleophilic lipophilic surface, and the lipophilic area, which is disposed on the upper surface of the shock absorber base and has an oleophobic property. and an oil-repellent area formed so as to surround the lipophilic area with an oil surface.

INDUSTRIAL APPLICABILITY According to the present invention, an oil recovery device that facilitates oil recovery work and cleaning can be realized without providing a container or the like for storing oil.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing an elevator oil recovery system (whole) according to Embodiment 1 of the present invention; 1 is a plan view showing a main part of the elevator oil recovery system of FIG. 1 according to Embodiment 1 of the present invention; FIG. FIG. 3 is a schematic diagram (cross-sectional view) showing a main part of the oil-repellent area of the elevator oil recovery device of FIG. 2 according to Embodiment 1 of the present invention; FIG. 3 is a schematic diagram (cross-sectional view) showing a main part of a lipophilic area of the elevator oil recovery system of FIG. 2 according to Embodiment 1 of the present invention; FIG. 3 is a schematic diagram (sectional view) showing a main part of a boundary between an oil-philic area and an oil-repellent area of the elevator oil recovery system of FIG. 2 according to Embodiment 1 of the present invention; FIG. 2 is a perspective view showing an elevator oil recovery system (whole) according to Embodiment 2 of the present invention; FIG. 10 is a plan view showing a main part of an elevator oil recovery system according to Embodiment 3 of the present invention; FIG. 8 is an enlarged view (plan view) showing a main part of the elevator oil recovery system of FIG. 7 according to Embodiment 3 of the present invention;

Embodiment 1.
FIG. 1 is a perspective view showing an elevator oil recovery system according to Embodiment 1 of the present invention. In the figure, a pair of guide rails 1 are arranged in the hoistway. Each guide rail 1 is supported by a plurality of rail brackets (not shown) fixed in the hoistway. In addition, each guide rail 1 includes a back plate portion 2 arranged along the vertical direction, and a guide plate portion 2 protruding horizontally from the middle portion in the width direction of the back plate portion 2 and arranged along the longitudinal direction of the back plate portion 2. and a part 3. Therefore, the horizontal cross-sectional shape of each guide rail 1 is T-shaped by the back plate portion 2 and the guide portion 3 . A pair of guide rails 1 are arranged in a state in which the respective guide portions 3 are opposed to each other in the horizontal direction.

Between the pair of guide rails 1, a car (not shown) or a counterweight (not shown) is arranged as an elevating body. The elevating body moves vertically while being guided by each guide portion 3 . The elevating body is provided with an oil supply device (not shown) for supplying lubricating oil to each guide rail 1 .

A shock absorber (not shown) and a shock absorber base 4 for supporting the shock absorber are provided in the pit of the hoistway, ie, the bottom of the hoistway. The shock absorber base 4 is arranged horizontally along the direction in which the guide portions 3 of the pair of guide rails 1 face each other. The shock absorber is provided in the longitudinal central portion of the shock absorber base 4 . Moreover, when the elevator collides with the buffer, the shock absorber absorbs the impact force received from the elevator and softens the impact on the elevator.

Rail support plates 5 for supporting the lower ends of the guide rails 1 are fixed to both ends of the shock absorber base 4 in the longitudinal direction. Each rail support plate 5 is arranged vertically. The lower end of each guide rail 1 is fixed to each rail support plate 5 by a pair of clip devices (not shown) with the rear surface of the back plate portion 2 in contact with the rail support plate 5 . Each guide rail 1 is supported by a plurality of rail brackets and rail support plates 5 in a state in which a space is created below the guide rail 1 . In this example, the lower end surface of each guide rail 1 is in contact with the upper surface of the shock absorber base 4 .

In FIG. 2 , the oil recovery device 6 is provided on the upper surface of the shock absorber base 4 and arranged in contact with the lower end surface of each guide rail 1 . When viewed in the vertical direction, the oil recovery device 6 is formed with a lipophilic area 7 having a lipophilic surface so as to surround the back plate portion 2 and the guide portion 3 of each guide rail 1 from three sides. there is The lower end surface of the guide rail 1 is in contact with the lipophilic area 7 from the upper surface side.

The oil 9 that has fallen from the lower end surface of the guide rail 1 to the upper surface of the shock absorber base 4 is accumulated in the lipophilic area 7. - 特許庁The lipophilic area 7 is usually a part of the upper surface of the shock absorber base 4 itself, and is not provided with a special surface treatment, a container, or the like. Here, the upper surface of the shock absorber base 4 is usually subjected to antirust treatment and has an oleophilic surface. However, the surface of the oleophilic area 7 is oleophilic and also oleophobic.

An oil-repellent area 8 is arranged on the upper surface of the buffer base 4 so as to surround the oil-philic area 7 when viewed in the vertical direction. The oil-repellent area 8 has a width of about 2 to 3 cm in the longitudinal direction and is made of oil-repellent paint. A fluorine-based coating agent is used for this oil-repellent paint. Here, the oil repellent area 8 has at least oil repellency relatively high with respect to the oil repellency of the lipophilic area 7 . Therefore, since the oil 9 is repelled by the oil-repellent surface of the oil-repellent area 8, the cross-sectional shape rises upward from the oil-repellent surface of the oil-repellent area 8 and has a substantially spherical shape as shown in FIG.

Next, the operation of Embodiment 1 configured as described above will be described. First, the oil 9 dropped from the guide rail 1 is caught in the lipophilic area 7. - 特許庁The oil 9 that has fallen into the lipophilic area 7 gradually accumulates in the lipophilic area 7 while spreading two-dimensionally.

The cross-sectional shape of the oil 9 that has fallen onto the lipophilic area 7 is such that the lipophilic area 7 rises lower from the lipophilic surface than the oil-repellent area 8, as shown in FIG. When this state is maintained and the oil 9 accumulates in the entire oil-repellent area 7 and reaches the boundary with the oil-repellent area 8, the oil 9 assumes a cross-sectional shape as shown in FIG.

At the boundary between the oil-repellent area 8 and the lipophilic area 7 , the height of the oil 9 gradually increases from the lipophilic area 7 side toward the oil-repellent area 8 side. This is a phenomenon caused by repelling the oil 9 on the oil-repellent area 7 side to the oil-repellent area 8 side. In this way, by maintaining the cross-sectional shape as shown in FIG. It becomes difficult to break in. Therefore, a certain amount of the oil 9 stored in the lipophilic area 7 is stored in the lipophilic area 7 without leaking to the outside.

Here, if the oil 9 is left in the lipophilic area 7 for a long time, it may exceed the capacity limit of the lipophilic area 7 and leak to the outside. Therefore, maintenance workers regularly enter the pit surface in the hoistway to perform maintenance on the oil recovery device 6 . Maintenance of the oil collecting device 6 is completed by simply wiping off the oil 9 from the upper surface side of the lipophilic area 7 with a waste cloth or the like before the oil 9 accumulated in the lipophilic area 7 leaks to the outside.

As described above, according to Embodiment 1, the elevator oil recovery device 6 is provided on the upper surface of the shock absorber base 4 that supports the bottoms of the pair of guide rails 1 of the elevator. A lipophilic area 7 formed so as to surround the guide rail 1 with a lipophilic surface having lipophilicity when viewed from the vertical direction, and the shock absorber base 4 is in contact with the lower end surface of the guide rail 1 The oil-repellent area 8 is arranged on the upper surface and formed so as to surround the lipophilic area 7 with an oil-repellent surface having oil repellency, so that the oil 9 can be discharged without providing a container or the like for storing the oil 9. It is possible to realize an oil recovery device 6 that facilitates recovery work and cleaning.

In addition, the lipophilic area 7 is formed to surround the front surface of the guide rail 1 from three sides when viewed in the vertical direction, thereby covering the minimum necessary range without enlarging the upper surface of the shock absorber base 4. The oil 9 can be stored efficiently while doing so.

In addition, since the oil-repellent surface of the oil-repellent area 8 has relatively higher oil-repellency than the oil-repellent surface of the oil-repellent area 7, the oil-repellency and surface treatment of the upper surface of the shock absorber base 4 are uniformly affected. The elevator oil skimming device 6 can be placed on the top surface of the shock absorber platform 4 without receiving any impact. As a result, since the upper surfaces of various shock absorber pedestals 4 can be used as the oil recovery device 6 for the elevator, an increase in the cost of the oil recovery device 6 for the elevator can be suppressed.

Embodiment 2.
Embodiment 2 FIG. 6 explains an oil recovery system 10 according to Embodiment 2 of the present invention, and FIG. The oil recovery device 10 according to Embodiment 2 of the present invention is different in that it has a recess 12 in the lipophilic area 11, and the same reference numerals are given to the other similar parts, and the description thereof will be omitted.

A depression 12 is provided in the vicinity of the guide portion 3 of the guide rail 1 within the lipophilic area 11 when viewed from the vertical direction. The depression 12 has a hemispherical shape with a diameter of about 3 to 5 cm and a depth of 1 to 2 mm.

Next, referring to FIG. 6, the operation of the second embodiment configured as described above will be described. First, the oil 9 dropped from the guide rail 1 is accumulated in the lipophilic area 11. - 特許庁The oil 9 that has fallen into the lipophilic area 11 accumulates while gradually spreading in a plane.

When the oil 9 in the oleophilic area 11 reaches the depression 12, it begins to accumulate in the depression 12. - 特許庁That is, the capacity of lipophilic area 11 is expanded by the capacity of depression 12 as compared to lipophilic area 7 of the first embodiment.

As described above, according to the second embodiment, the lipophilic area 11 is formed with the depression 12 having a depth in the vertical direction. can accumulate. As a result, the oil recovery device 10 can reduce maintenance work as compared with the first embodiment.

Embodiment 3.
7 and 8 illustrate an oil recovery device 13 according to Embodiment 3 of the present invention . FIG. 7 is a plan view showing the essential parts of the oil recovery device 13, and FIG. It is a plan view showing. The oil recovery device 13 according to Embodiment 3 of the present invention is different in that it has a flow path 15 in the lipophilic area 14, and the same reference numerals are given to the other similar parts, and the description thereof will be omitted.

A flow path 15 is provided on the guide portion 3 side of the guide rail 1 within the lipophilic area 14 when viewed in the vertical direction. A plurality of flow paths 15 are formed along the longitudinal direction of the shock absorber base 4 from the vicinity of the guide portion 3 toward the recess 12 , and are lipophilic areas 16 that guide the oil 9 from the guide portion 3 side to the recess 12 . , oil-repellent surfaces 17 are alternately formed so as to sandwich the oil-philic areas 16 from both sides. The oil-repellent surface 17 is made of the same paint as the oil-repellent surface of the oil-repellent area 8 .

In the flow path 15 , the width of the lipophilic area 16 is formed so as to gradually widen from the vicinity of the guide portion 3 toward the recess 12 . Moreover, the width of the oil-repellent surface 17 is formed so as to gradually narrow from the vicinity of the guide portion 3 toward the recess 12 .

Next, the operation of the third embodiment configured as described above will be described with reference to FIGS. First, the oil 9 dropped from the guide rail 1 is accumulated in the lipophilic area 14. - 特許庁The oil 9 that has fallen into the lipophilic area 14 flows through the lipophilic area 16 in the flow path 15 from the vicinity (upstream) of the guide portion 3 toward the depression 12 (downstream).

Here, as shown in FIG. 8, since the width of the lipophilic area 16 gradually widens from the vicinity of the guide portion 3 toward the depression 12, the force pushing the oil 9 from the guide portion 3 side toward the depression 12 side is large. works. That is, the oil 9 is swept from the guide portion 3 side toward the depression 12 and accumulated in the depression 12 while being guided by the flow path 15 . Further, when the depression 12 is filled with the oil 9, the oil 9 overflowing from the depression 12 spreads in the lipophilic area 14 in a planar manner and accumulates.

As described above, according to the third embodiment, the lipophilic area 14 is arranged between the vicinity of the guide rail 1 and the depression 12, and has the flow path 15 that guides the oil that has fallen from the guide rail 1 to the depression 12. With the provision, the oil 9 is easily guided from the guide portion 3 side toward the depression 12 , and the oil 9 is easily accumulated in the depression 12 within the lipophilic area 14 .

In addition, since the width of the lipophilic area 16 that forms the inside of the flow path 15 is formed so as to gradually widen from upstream to downstream, a force that pushes the oil 9 from the side of the guide portion 3 toward the side of the recess 12 acts. . As a result, in the flow path 15 , the oil 9 can be efficiently guided from the guide portion 3 side toward the recess 12 .

In addition, the flow path 15 is sandwiched between a plurality of oil-repellent surfaces 17 formed extending in the longitudinal direction of the shock absorber base 4 within the lipophilic area 14 and arranged apart from each other. and a lipophilic area 16 arranged on the lipophilic area. As a result, the flow path 15 can be configured with the same oil-repellent surface as the oil-repellent area 8, so that cost increase can be suppressed.

Although the lipophilic areas 7, 11, and 14 surround the front surface of the guide rail 1 from three sides when viewed from the vertical direction, the three sides do not necessarily have to be surrounded. For example, the lipophilic areas 7, 11, 14 may be formed so as to surround the guide rail 1 not only from the front surface but also from all directions including the rear surface.

If the oil 9 is repelled by the surface of the shock absorber base 4 and the oleophilicity is low, the oleophilic areas 7, 11, 14 and 16 may be coated with oleophilic paint.

Although the depression 12 is formed on the upper surface of the shock absorber base 4 by press working, it may be formed in a different shape by machining such as cutting. For example, it is needless to say that the recess 12 can be formed in a rectangular shape having a depth to achieve the same function and effect.

In addition, although the flow path 15 is formed by a combination of the lipophilic area 16 and the oil-repellent surface 17, it is not necessarily formed by such a combination. For example, even if a shape similar to that of the flow path 15 is formed on the upper surface of the shock absorber base 4 by press working, it is needless to say that the same function and effect can be obtained.

Although the width of the lipophilic area 16 forming the inside of the flow path 15 is formed so as to gradually widen from upstream to downstream, this shape is not necessarily required. For example, the width of the lipophilic area 16 may be the same from upstream to downstream. When the lipophilic area 16 is formed with the same width, the force for pushing the oil 9 from the guide portion 3 side to the recess 12 side is weak, but it goes without saying that at least the oil 9 is guided.

1 guide rail, 2 back plate portion, 3 guide portion, 4 shock absorber base, 5 rail support plate, 6, 10, 13 oil recovery device, 7, 11, 14, 16 lipophilic area, 8 oil repellent area, 9 oil , 12 depression, 15 flow path 17 oil-repellent surface,

TECHNICAL FIELD The present invention relates to an elevator oil recovery device for recovering oil supplied to guide rails.

Claims (7)

An elevator oil recovery device provided on the upper surface of a shock absorber base that supports the bottom of a pair of elevator guide rails,
a lipophilic area disposed on the upper surface of the shock absorber base, in contact with the lower end surface of the guide rail, and formed so as to surround the guide rail with a lipophilic surface having lipophilicity when viewed from the vertical direction; an oil-repellent area disposed on the upper surface of the shock absorber base and formed so as to surround the lipophilic area with an oil-repellent surface having oil repellency;
An elevator oil recovery device comprising:
2. The elevator oil recovery system according to claim 1, wherein said oil-philic area surrounds the front surface of said guide rail from three sides when viewed in a vertical direction.
3. The elevator oil recovering device according to claim 1, wherein the oil-repellent surface of the oil-repellent area has relatively higher oil repellency than the oil-repellent surface of the oil-repellent area.
4. The elevator oil recovery system according to claim 1, wherein the lipophilic area is formed with a depression having a depth in a vertical direction.
5. The elevator according to claim 4, wherein the lipophilic area includes a flow path disposed between the vicinity of the guide rail and the recess for guiding oil falling from the guide rail to the recess. of oil recovery equipment.
6. The elevator oil recovery system according to claim 5, wherein the width of said flow passage is formed so as to gradually widen from upstream to downstream.
The flow path is sandwiched between a plurality of oil-repellent surfaces formed extending in the longitudinal direction of the shock absorber base within the lipophilic area and arranged apart from each other, and the plurality of oil-repellent surfaces. 7. The elevator oil recovering device according to claim 5, further comprising: the lipophilic area arranged at the same position as the oil lyophilic area.

Images