Elevator lifting support device

Abstract

To provide an elevator lifting support device capable of lifting an object more stably.SOLUTION: A support frame 40 is supported horizontally by a first support column 21 and a second support column 22 between a first guide rail 11 and a second guide rail 12. The support frame 40 has a pair of first beams 41, a pair of second beams 42, and a pair of hanging base portions 43. When viewed from directly above a hoistway 10, the pair of first beams 41 are arranged at intervals in a direction along a rail center line C so as to intersect the rail center line C. The pair of second beams 42 are respectively installed between the pair of first beams 41 on both sides of the rail center line C.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present disclosure relates to elevator lift support devices. [Background technology]

[0002] In a conventional elevator hoist replacement jig, a beam member is installed between the upper ends of a pair of guide rails. A pair of pulleys is provided on the beam member. A wire rope is hung on the pair of pulleys. One end of the wire rope is connected to the hoist. The other end of the wire rope is connected to one of the pair of guide rails. A chain block is provided midway along the wire rope (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent No. 4260502 Summary of the Invention [Problem to be solved by the invention]

[0004] In the conventional hoist replacement jig described above, a pair of pulleys is provided on a beam member installed between the upper ends of a pair of guide rails. The hoist is suspended by a single wire rope hung on the pair of pulleys. This causes the hoist to swing toward or away from the guide rails, which could result in the hoist coming into contact with the guide rails.

[0005] The present disclosure has been made to solve the above-mentioned problems, and aims to provide an elevator lifting support device that can lift an object more stably. [Means for solving the problem]

[0006] The elevator lifting support device of the present disclosure comprises a first support column attached to the upper end of a first guide rail along the first guide rail, a first column mounting fixture for mounting the first support column to the first guide rail, a second support column attached to the upper end of a second guide rail along the second guide rail, a second column mounting fixture for mounting the second support column to the second guide rail, and a rectangular support frame supported by the first support column and the second support column between the first guide rail and the second guide rail, and the support frame has, when viewed from directly above the hoistway, a pair of first beams arranged at a distance from each other in a direction along a straight line connecting the first guide rail and the second guide rail and arranged so as to intersect the straight line, a pair of second beams respectively installed between the pair of first beams on both sides of the straight line, and a pair of hanging parts respectively attached to the pair of second beams and to which a lifting device is connected. [Effects of the Invention]

[0007] According to the elevator lifting support device of the present disclosure, the object to be lifted can be lifted more stably. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a plan view showing an elevator lifting support device according to a first embodiment. [Figure 2] FIG. 2 is a side view showing the lifting and supporting device of FIG. [Figure 3] FIG. 2 is a front view showing the lifting and supporting device of FIG. [Figure 4] 4 is a cross-sectional view of the first guide rail taken along line IV-IV in FIG. 3. [Figure 5] FIG. 4 is a cross-sectional view taken along line VV in FIG. [Figure 6] 3 is an explanatory diagram showing how an object is lifted by the pair of lifting devices of FIG. 2.

[0023] FIG. [Figure 7] 7 is an explanatory diagram showing a state in which the lifted object in FIG. 6 is further lifted. FIG. [Figure 8] FIG. 10 is a plan view showing an elevator lifting support device according to a second embodiment. [Figure 9]FIG. 11 is a side view showing an elevator lifting support device according to a third embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0009] Hereinafter, embodiments will be described with reference to the drawings. Embodiment 1 Fig. 1 is a plan view showing an elevator lifting support device according to embodiment 1. Fig. 2 is a side view showing the lifting support device of Fig. 1, as seen along arrow II in Fig. 1. Fig. 3 is a front view showing the lifting support device of Fig. 1, as seen along arrow III in Fig. 1. That is, Fig. 3 is a view of the lifting support device of Fig. 1 as seen from the landing side.

[0010] A first guide rail 11 and a second guide rail 12 are installed in the hoistway 10. A car (not shown) is guided by the first guide rail 11 and the second guide rail 12 and moves up and down in the hoistway 10. In other words, the first guide rail 11 and the second guide rail 12 are each a car guide rail.

[0011] A lifting support device 20 is installed at the top of the hoistway 10. The lifting support device 20 is installed at the top of the hoistway 10 when installing an elevator, renovating an elevator, replacing hoistway equipment, etc.

[0012] The lifting support device 20 has a first support column 21, a second support column 22, a first column mounting bracket 31, a second column mounting bracket 32, a rectangular support frame body 40, a pair of first diagonal bracing members 51, and a pair of second diagonal bracing members 52.

[0013] The first support pillar 21 is attached to the upper end of the first guide rail 11 along the first guide rail 11 by a first pillar attachment fixture 31. The second support pillar 22 is attached to the upper end of the second guide rail 12 along the second guide rail 12 by a second pillar attachment fixture 32.

[0014] Each of the first support pillar 21 and the second support pillar 22 has a pillar body 23 and a backing plate 24. The backing plate 24 is fixed to the upper end of the pillar body 23.

[0015] The contact plate 24 of the first support pillar 21 is in contact with the upper end surface of the first guide rail 11. The load acting on the first support pillar 21 is transmitted to the first guide rail 11 via the contact plate 24.

[0016] The backing plate 24 of the second support pillar 22 is in contact with the upper end surface of the second guide rail 12. The load acting on the second support pillar 22 is transmitted to the second guide rail 12 via the backing plate 24.

[0017] Each of the first pole mounting fixture 31 and the second pole mounting fixture 32 has an upper mounting fixture 33 and a lower mounting fixture 34 .

[0018] The upper mounting fixture 33 of the first pole mounting fixture 31 is provided between the first guide rail 11 and the upper end of the pole main body 23. The lower mounting fixture 34 of the first pole mounting fixture 31 is provided between the first guide rail 11 and the lower end of the pole main body 23.

[0019] The upper mounting fixture 33 of the second pole mounting fixture 32 is provided between the second guide rail 12 and the upper end of the pole main body 23. The lower mounting fixture 34 of the second pole mounting fixture 32 is provided between the second guide rail 12 and the lower end of the pole main body 23.

[0020] 1, the first pole mounting fixture 31 mounts the first support pole 21 to the first guide rail 11 without protruding from the back surface of the first guide rail 11. The second pole mounting fixture 32 mounts the second support pole 22 to the second guide rail 12 without protruding from the back surface of the second guide rail 12.

[0021] The support frame 40 is horizontally supported by the first support pillars 21 and the second support pillars 22 between the first guide rail 11 and the second guide rail 12.

[0022] The support frame 40 also has a pair of first beams 41, a pair of second beams 42, and a pair of hanging portions 43.

[0023] Hereinafter, as shown in FIG. 1, when viewing the elevator shaft 10 from directly above, a straight line connecting the center of the first guide rail 11 and the center of the second guide rail 12 will be referred to as a rail center line C.

[0024] When viewing the elevator shaft 10 from directly above, the pair of first beams 41 are spaced apart from each other in a direction along the rail center line C and are arranged so as to intersect with the rail center line C. Furthermore, the pair of first beams 41 are each perpendicular to the rail center line C. In other words, the pair of first beams 41 are parallel to each other.

[0025] The pair of second beams 42 are respectively installed between the pair of first beams 41 on both sides of the rail center line C. The pair of second beams 42 are also installed between both end portions of the pair of first beams 41. The pair of second beams 42 are also respectively arranged parallel to the rail center line C. In other words, the pair of second beams 42 are arranged parallel to each other and perpendicular to the pair of first beams 41.

[0026] The pair of hanging parts 43 are respectively provided on the pair of second beams 42. As shown in Fig. 2, the pair of lifting devices 13 are respectively connected to the pair of hanging parts 43 and suspended from the pair of hanging parts 43 within the hoistway 10. As each lifting device 13, for example, a chain block is used.

[0027] The load applied to the pair of lifting devices 13 is supported by the support frame 40. The pair of lifting devices 13 are omitted in Figures 1 and 3. The pair of hanging base portions 43 are each slidable along the pair of second beams 42 in the longitudinal direction of the pair of second beams 42.

[0028] The pair of first diagonal bracing members 51 are connected between the first support columns 21 and the support frame body 40 and obliquely to the first support columns 21. The upper end of each first diagonal bracing member 51 is connected to one of the pair of first beams 41 via a first connecting member 53.

[0029] The pair of second bracing members 52 are connected between the second support columns 22 and the support frame body 40 and obliquely to the second support columns 22. The upper end of each second bracing member 52 is connected to the other of the pair of first beams 41 via a second connecting member 54.

[0030] Fig. 4 is a cross-sectional view of first guide rail 11 taken along line IV-IV in Fig. 3. The cross-sectional configuration of second guide rail 12 is the same as that of first guide rail 11.

[0031] The first guide rail 11 has a fixed portion 11a and a protruding portion 11b. The fixed portion 11a is a portion that is fixed to the hoistway wall. The protruding portion 11b is a portion that protrudes from the center of the fixed portion 11a toward the opposite side of the hoistway wall, i.e., toward the car.

[0032] The protruding portion 11b has a tip portion 11c and a constricted portion 11d. The tip portion 11c is the end of the protruding portion 11b opposite the fixing portion 11a. The tip portion 11c is inserted into a groove in the upper mounting fixture 33.

[0033] The constricted portion 11d connects the tip portion 11c and the fixed portion 11a. The dimension of the constricted portion 11d in a direction perpendicular to the rail center line C is smaller than the dimension of the tip portion 11c in the direction perpendicular to the rail center line C. In other words, the constricted portion 11d is a narrowed portion of the protruding portion 11b.

[0034] Figure 5 is a cross-sectional view taken along line VV in Figure 3. The lower mounting fixture 34 has a pair of latches 35 and a pair of bolts 36. Each of the pair of latches 35 is provided rotatably with respect to the pillar body 23. Each bolt 36 is screwed into the pillar body 23.

[0035] As shown in Fig. 5, when the tip of each latch 35 abuts against the constricted portion 11d and each bolt 36 is tightened, the pair of latches 35 are hooked onto and clamp the constricted portion 11d. The configuration of the lower mounting fixture 34 of the second pole mounting fixture 32 is the same as that shown in Fig. 5.

[0036] Fig. 6 is an explanatory diagram showing how an object is lifted by the pair of lifting devices 13 in Fig. 2, and corresponds to the cross-sectional view taken along line VI-VI in Fig. 1. Fig. 7 is an explanatory diagram showing the state in which the object in Fig. 6 has been further lifted.

[0037] The lifted object 14 is, for example, a hoist. The hoist is a drive device that raises and lowers the car. A chain is pulled out from each lifting device 13, and the hook at the end of the chain is hooked onto the lifted object 14. From this state, the chain is wound up, and the lifted object 14 is lifted up within the hoistway 10.

[0038] In such an elevator lifting support device 20, a pair of hanging base portions 43 are provided on a pair of second beams 42 of a rectangular support frame 40. This allows the lifted object 14 to be lifted more stably, and prevents the lifted object 14 from coming into contact with the first guide rail 11 and the second guide rail 12 during lifting.

[0039] Furthermore, since a rectangular support frame 40 is used, the object 14 can be lifted until the upper end of the object 14 is positioned higher than the lower end of the support frame 40, as shown in FIG.

[0040] The support frame 40 is disposed between the first guide rail 11 and the second guide rail 12. The first pole mount 31 does not protrude from the back surface of the first guide rail 11, and the second pole mount 32 does not protrude from the back surface of the second guide rail 12.

[0041] Therefore, the lifting support device 20 can be installed at the top of the hoistway 10 without being affected by the layout of hoistway equipment such as rail brackets.

[0042] Each of the first pole mounting fixture 31 and the second pole mounting fixture 32 has a pair of latches 35. The pair of latches 35 are hooked onto the constricted portion 11d, and clamp the constricted portion 11d.

[0043] Therefore, with a compact configuration, the first support pillar 21 can be firmly attached to the first guide rail 11, and the second support pillar 22 can be firmly attached to the second guide rail 12. This makes it possible to prevent the first support pillar 21 from falling off the first guide rail 11 and the second support pillar 22 from falling off the second guide rail 12.

[0044] Furthermore, the pair of hanging parts 43 are each slidable along the pair of second beams 42. This allows the positions of the pair of lifting devices 13 to be easily adjusted, and the object 14 to be lifted can be lifted more stably.

[0045] In addition, a pair of first bracing members 51 is provided between the first support column 21 and the support frame body 40. In addition, a pair of second bracing members 52 is provided between the second support column 22 and the support frame body 40.

[0046] Therefore, the strength of the support frame 40 can be reduced while still being able to sufficiently support the weight of the lifted object 14.

[0047] The contact plate 24 of the first support pillar 21 is in contact with the upper end surface of the first guide rail 11. The contact plate 24 of the second support pillar 22 is in contact with the upper end surface of the second guide rail 12.

[0048] Therefore, the weight of the lifted object 14 can be supported by the first guide rail 11 and the second guide rail 12, and the configuration of the lifting and supporting device 20 can be simplified.

[0049] Embodiment 2 Next, Fig. 8 is a plan view showing an elevator lifting support device 20 according to embodiment 2. A plurality of connecting holes 42a are provided in each of a pair of second beams 42 in embodiment 2. The distance between the pair of first beams 41 can be changed by selecting a plurality of connecting holes 42a to be used from the plurality of connecting holes 42a.

[0050] That is, by selecting which connecting hole 42a each first beam 41 is connected to each second beam 42 at, the spacing between the pair of first beams 41 in the direction parallel to the rail center line C can be changed.

[0051] Other configurations in the second embodiment are the same as those in the first embodiment.

[0052] In such a lifting support device 20, the distance between the pair of first beams 41 is changeable. Therefore, a common lifting support device 20 can be used for a plurality of elevators having different installation distances between the first guide rail 11 and the second guide rail 12.

[0053] Furthermore, the distance between the pair of first beams 41 can be changed by selecting the multiple connecting holes 42a to be used from the multiple connecting holes 42a. Therefore, the distance between the pair of first beams 41 can be changed with a simple configuration.

[0054] In the second embodiment, instead of the multiple connecting holes 42a, multiple elongated holes may be provided in each second beam 42 along the longitudinal direction of the second beam 42. This allows the distance between the pair of first beams 41 to be adjusted more precisely.

[0055] Furthermore, gripping portions for gripping the second beams 42 may be provided at both ends of each first beam 41. The distance between the pair of first beams 41 may be changeable by changing the gripping position of each gripping portion on the second beams 42.

[0056] Embodiment 3 Next, Fig. 9 is a side view showing an elevator lifting support device 20 according to embodiment 3. Each of the first support column 21 and the second support column 22 in embodiment 3 has an additional column 25 in addition to a column body 23 and a backing plate 24.

[0057] The additional column 25 is connected to the lower end of the column body 23 by, for example, a plurality of bolts (not shown).

[0058] The lower mounting fixture 34 of the first pole mounting fixture 31 is provided between the first guide rail 11 and the lower end of the additional pole 25. The lower mounting fixture 34 of the second pole mounting fixture 32 is provided between the second guide rail 12 and the lower end of the additional pole 25.

[0059] Other configurations in the third embodiment are the same as those in the first or second embodiment.

[0060] In this lifting support device 20, an additional pillar 25 is connected to the lower end of the pillar main body 23. This reduces the bending load acting on the first guide rail 11 and the second guide rail 12. This makes it possible to lift a heavier object 14.

[0061] The lifted object 14 is not limited to a hoist, but may be, for example, a control panel.

[0062] The above describes in detail preferred embodiments, but the present invention is not limited to the above-described embodiments, and various modifications and substitutions can be made to the above-described embodiments without departing from the scope of the claims.

[0063] Various aspects of the present disclosure are summarized below as appendices.

[0064] (Appendix 1) a first support pillar attached to an upper end of the first guide rail along the first guide rail; a first pole attachment tool that attaches the first support pole to the first guide rail; a second support pillar attached to an upper end of the second guide rail along the second guide rail; a second support pole attachment for attaching the second support pole to the second guide rail; and a rectangular support frame supported by the first support pillars and the second support pillars between the first guide rail and the second guide rail; Equipped with The support frame is a pair of first beams arranged at intervals along a straight line connecting the first guide rail and the second guide rail and intersecting the straight line when viewed from directly above the elevator shaft; a pair of second beams respectively installed between the pair of first beams on both sides of the straight line; a pair of hanging portions provided on the pair of second beams, each of which is connected to a lifting device; An elevator lifting support device having: (Appendix 2) the first pole attachment device attaches the first support pole to the first guide rail without protruding from the back surface of the first guide rail; 2. An elevator lifting support device according to claim 1, wherein the second pillar mounting fixture mounts the second support pillar to the second guide rail without protruding from the back surface of the second guide rail. (Appendix 3) Each of the first guide rail and the second guide rail is a fixing portion fixed to a hoistway wall; a protruding portion protruding from the fixed portion; It has The protrusion is A tip portion and a constricted portion connecting the tip portion and the fixed portion; It has a dimension of the constricted portion in a direction perpendicular to the straight line is smaller than a dimension of the tip end portion in the direction perpendicular to the straight line, Each of the first pole mounting fixture and the second pole mounting fixture has: An elevator lifting support device as described in Appendix 2, having a pair of latches that are hooked onto the constricted portion and clamp the constricted portion. (Appendix 4) An elevator lifting support device according to any one of claims 1 to 3, wherein the pair of hanging base portions are each slidable along the pair of second beams. (Appendix 5) a first brace member between the first support column and the support frame body, the first brace member being connected obliquely to the first support column; and a second brace member connected between the second support column and the support frame body at an angle to the second support column; 5. The elevator lifting support device according to any one of claims 1 to 4, further comprising: (Appendix 6) An elevator lifting support device according to any one of claims 1 to 5, wherein the spacing between the pair of first beams is changeable. (Appendix 7) Each of the pair of second beams is provided with a plurality of connecting holes, An elevator lifting support device as described in Appendix 6, in which the spacing between the pair of first beams can be changed by selecting the multiple connecting holes to be used from the multiple connecting holes. (Appendix 8) Each of the first support pillar and the second support pillar has: The pillar body and a backing plate fixed to the upper end of the pillar body; It has The backing plate of the first support pillar is brought into contact with the upper end surface of the first guide rail, An elevator lifting support device according to any one of appendices 1 to 7, wherein the support plate on the second support column is placed against the upper end surface of the second guide rail. (Appendix 9) Each of the first support pillar and the second support pillar has: an additional pillar connected to the lower end of the pillar body; 9. The elevator lifting support device according to claim 8, further comprising: [Explanation of symbols]

[0065] 11 First guide rail, 12 Second guide rail, 13 Lifting device, 20 Lifting support device, 21 First support column, 22 Second support column, 23 Column body, 24 Backing plate, 25 Additional column, 31 First column mounting fixture, 32 Second column mounting fixture, 35 Latch, 40 Support frame body, 41 First beam, 42 Second beam, 43 Hanging portion, 51 First diagonal brace member, 52 Second diagonal brace member.

Claims

1. a first support pillar attached to an upper end of the first guide rail along the first guide rail; a first support pole attachment tool for attaching the first support pole to the first guide rail; a second support pillar attached to an upper end of the second guide rail along the second guide rail; a second support post attachment device that attaches the second support post to the second guide rail; and a rectangular support frame supported by the first support pillars and the second support pillars between the first guide rail and the second guide rail; Equipped with The support frame is a pair of first beams arranged at intervals along a straight line connecting the first guide rail and the second guide rail and intersecting the straight line when viewed from directly above the elevator shaft; a pair of second beams respectively installed between the pair of first beams on both sides of the straight line; a pair of hanging base portions provided on the pair of second beams, each of which is connected to a lifting device; An elevator lifting support device having:

2. the first pole attachment device attaches the first support pole to the first guide rail without protruding from the back surface of the first guide rail; 2. The elevator lifting support device according to claim 1, wherein the second pillar mounting fixture mounts the second support pillar to the second guide rail without protruding from the rear surface of the second guide rail.

3. Each of the first guide rail and the second guide rail is a fixing portion fixed to a hoistway wall; a protruding portion protruding from the fixed portion; It has The protrusion is A tip portion and a constricted portion connecting the tip portion and the fixed portion; It has a dimension of the constricted portion in a direction perpendicular to the straight line is smaller than a dimension of the tip end portion in the direction perpendicular to the straight line, Each of the first pole mount and the second pole mount comprises:

3. The elevator lifting support device according to claim 2, further comprising a pair of latches hooked onto said constricted portion to clamp said constricted portion.

4. 4. The elevator lifting support device according to claim 1, wherein the pair of hanging base portions are slidable along the pair of second beams.

5. a first brace member between the first support column and the support frame body, the first brace member being connected obliquely to the first support column; and a second brace member connected between the second support column and the support frame body at an angle to the second support column; The elevator lifting support device according to any one of claims 1 to 3, further comprising:

6. 4. The elevator lifting support device according to claim 1, wherein the distance between the pair of first beams is changeable.

7. Each of the pair of second beams is provided with a plurality of connecting holes, 7. The elevator lifting support device according to claim 6, wherein the distance between the pair of first beams can be changed by selecting a plurality of connecting holes to be used from the plurality of connecting holes.

8. Each of the first support pillar and the second support pillar has: The pillar body and a backing plate fixed to the upper end of the pillar body; It has The backing plate of the first support pillar is brought into contact with an upper end surface of the first guide rail, 4. The elevator lifting support device according to claim 1, wherein the backing plate of the second support column is in contact with an upper end surface of the second guide rail.

9. Each of the first support pillar and the second support pillar has: an additional pillar connected to the lower end of the pillar body; 9. The elevator lifting support device according to claim 8, further comprising:

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