Domestic elevator lower beam

Abstract

The utility model provides a household elevator underbeam which comprises a portal frame, a traction machine fixedly arranged on the portal frame, at least one main beam and an auxiliary beam fixedly arranged at the bottom of the portal frame, the main beam is parallel to the auxiliary beam, a diversion sheave is fixedly arranged between the main beam and the auxiliary beam, and the traction machine is fixedly arranged on the portal frame. The diversion sheave is dragged by a traction machine. A traditional portal frame structure is changed, the diversion sheave is fixedly arranged on the lower beam, occupation of the top layer space can be reduced, under the structure that the height of the top layer is small, occupation of the diversion sheave on the top space of the lift car can be avoided, the height of the lift car is reasonable and maximized, and only the height of the top layer is 2450 mm for installation.

Description

TECHNICAL FIELD

[0001] The utility model relates to domestic elevator technical field especially, relate to a domestic elevator lower beam. BACKGROUND

[0002] At present, due to market requirement and in combination with actual site consideration, domestic elevator is as an indoor additional elevator, and indoor top layer height is limited, so how makes elevator car height reasonable maximization in the existing top layer height range is the problem that short top layer domestic elevator urgently needs to solve.At present, the existing domestic elevator portal frame structure is car roof wheel structure, and the wheel is fixed on the upper beam, to avoid interference with the top layer and ensure that the wheel does not collide with the car roof, and 100mm-150mm space is occupied, so that the car height cannot meet the needs. UTILITARIAN CONTENT

[0003] The utility model solves the technical problem of the reasonable maximization of car height in the short top layer structure of the prior art.

[0004] To solve the above technical problem, the utility model adopts the technical scheme of a domestic elevator lower beam, including portal frame, fixedly arranged with traction machine on the portal frame, characterized in that at least one main beam and one auxiliary beam are fixedly arranged on the bottom of the portal frame, the main beam and the auxiliary beam are parallel, a reverse pulley is fixedly arranged between the main beam and the auxiliary beam, and the reverse pulley is pulled by the traction machine.

[0005] Further, a wheel guard is also fixedly arranged between the main beam and the auxiliary beam, and the reverse pulley is fixedly arranged in the wheel guard.

[0006] Further, the reverse pulley is fixedly arranged at the end region of the main beam and the auxiliary beam, a connecting piece is fixedly arranged between the main beam and the auxiliary beam close to the reverse pulley, one end of the connecting piece is fixed on the main beam, and the other end is fixed on the auxiliary beam.

[0007] Further, the main beam is two, including a first main beam and a second main beam, the first main beam and the second main beam are fixedly arranged in parallel on the bottom of the portal frame, a guide shoe plate is fixed at the end of the first main beam and the second main beam, and a collision prevention plate is fixedly arranged between the middle of the first main beam and the second main beam.

[0008] Further, the guide shoe plate is a symmetrical structure, including a plate body and first, second, third and fourth fixed feet arranged at the top corners of the plate body respectively, the first fixed foot and the second fixed foot are the same shape, and the third fixed foot and the fourth fixed foot are the same shape.

[0009] The first fixed foot and the second fixed foot are fixed to the first main beam and the second main beam away from the end thereof, and the third fixed foot and the fourth fixed foot are fixed to the end of the first main beam and the second main beam, and a slot for accommodating the guide shoe is arranged between the third fixed foot and the fourth fixed foot.

[0010] Further, one end of the anti-collision plate is fixed to the first main beam, and the other end is fixed to the second main beam.

[0011] Compared with the prior art, the beneficial effects of the utility model include: by changing the traditional gantry structure, the counter pulley is fixedly arranged on the lower beam, the occupation of the top space can be reduced, and in the structure with a low top height, the counter pulley can avoid occupying the top space of the car, so that the height of the car is maximized reasonably. BRIEF DESCRIPTION OF DRAWINGS

[0012] The disclosure of the utility model will be explained with reference to the drawings. It should be understood that the drawings are only for illustrative purposes, and are not intended to limit the protection scope of the utility model. In the drawings, the same reference numerals are used to refer to the same parts. Among them:

[0013] Figure 1 The cross-sectional structure of the household elevator is schematically shown;

[0014] Figure 2 The plane structure of the lower beam of the household elevator is schematically shown;

[0015] Figure 3 The plane structure of the guide shoe plate is schematically shown.

[0016] Reference numerals in the drawings: 1-gantry, 2-hoisting machine, 3-first main beam, 4-second main beam, 5-secondary beam, 6-counter pulley, 7-wheel guard, 8-connection piece, 9-guide shoe plate, 10-anti-collision plate, 11-first fixed foot, 12-second fixed foot, 13-third fixed foot, 14-fourth fixed foot. DETAILED DESCRIPTION

[0017] It is easy to understand that according to the technical scheme of the utility model, a person skilled in the art can propose a plurality of structure modes and implementation modes which can be replaced with each other without changing the essential spirit of the utility model. Therefore, the following specific embodiments and drawings are only exemplary descriptions of the technical scheme of the utility model, and should not be regarded as the whole or as a limitation or restriction on the technical scheme of the utility model.

[0018] Figure 1 The cross-sectional structure of the household elevator is schematically shown, Figure 2The plane structure of the lower beam of a household elevator is shown schematically, and a household elevator lower beam comprises Figure 1 and Figure 2 a portal frame 1, a traction machine 2 fixedly arranged on the portal frame 1, at least one main beam and one auxiliary beam 5 fixedly arranged at the bottom of the portal frame 1, the main beam and the auxiliary beam 5 being fixedly arranged in parallel with each other, a counter pulley 6 fixedly arranged between the main beam and the auxiliary beam 5, and the counter pulley 6 being pulled by the traction machine 2 to complete the ascending or descending process of the elevator car.

[0019] As shown in Figure 2 the counter pulley 6 is fixedly arranged at the end of the main beam and the auxiliary beam 5, and a wheel guard 7 is further fixedly arranged between the main beam and the auxiliary beam 5, the counter pulley 6 being fixedly arranged in the wheel guard 7 to protect the counter pulley 6 by the wheel guard 7; the counter pulley 6 and the wheel guard 7 are both fixedly arranged between the main beam and the auxiliary beam 5 by bolts. A connecting piece 8 is fixedly arranged between the main beam and the auxiliary beam 5 by bolts, one end of the connecting piece 8 being fixedly arranged on the main beam and the other end being fixedly arranged on the auxiliary beam 5 to link the main beam and the auxiliary beam 5.

[0020] As shown in Figure 2 it is worth noting that the main beam comprises a first main beam 3 and a second main beam 4, the first main beam 3 and the second main beam 4 being fixedly arranged in parallel at the bottom of the portal frame 1, a guide shoe plate 9 being fixedly arranged at the end of the first main beam 3 and the second main beam 4, and a collision prevention plate 10 being fixedly arranged between the middle of the first main beam 3 and the second main beam 4.

[0021] Figure 3 The plane structure of the guide shoe plate is shown schematically, and the guide shoe plate is described in detail in combination with Figure 3 The guide shoe plate 9 is a symmetrical structure comprising a plate body and a first fixing leg 11 arranged at the top corner of the plate body. A second fixing leg 12, a third fixing leg 13 and a fourth fixing leg 14, the first fixing leg 11 and the second fixing leg 12 being the same in shape, and the third fixing leg 13 and the fourth fixing leg 14 being the same in shape; the first fixing leg 11 and the second fixing leg 12 are fixedly arranged on the side of the first main beam 3 and the second main beam 4 away from the end thereof, and the third fixing leg 13 and the fourth fixing leg 14 are fixedly arranged at the end of the first main beam 3 and the second main beam 4, and a slot for accommodating the guide shoe is arranged between the third fixing leg 13 and the fourth fixing leg 14, so that the guide shoe can be conveniently installed by the guide shoe plate 9. The collision prevention plate 10 is fixedly arranged at one end on the first main beam 3 and at the other end on the second main beam 4.

[0022] By changing the traditional gantry 1 structure, the counter pulley 6 is fixedly arranged on the lower beam, the occupation of the top space can be reduced, in the structure with low top height, the counter pulley 6 can be avoided from occupying the top space of the car, and the height of the car is reasonably maximized and only needs the top height of 2450mm to be installed.

[0023] The technical scope of the utility model is not limited to the content in the above description, and the person skilled in the art can make various deformations and modifications to the above embodiment without departing from the technical thought of the utility model, and these deformations and modifications should all belong to the protection scope of the utility model.

Claims

1. A lower beam of a home elevator comprising a portal (1) on which a hoisting machine (2) is fixedly arranged, characterized in that, At least one main beam and an auxiliary beam (5) are fixedly arranged at the bottom of the portal frame (1), the main beam is parallel to the auxiliary beam (5), a counter pulley (6) is fixedly arranged between the main beam and the auxiliary beam (5), and the counter pulley (6) is pulled by a traction machine (2).

2. The home lift lower beam according to claim 1, characterized in that, A wheel guard (7) is also fixedly arranged between the main beam and the auxiliary beam (5), and the counter pulley (6) is fixedly arranged in the wheel guard (7).

3. The home lift lower beam according to claim 2, characterized in that, The counter pulley (6) is fixedly arranged at the end region of the main beam and the auxiliary beam (5), a connecting piece (8) is fixedly arranged between the main beam and the auxiliary beam (5) close to the counter pulley (6), one end of the connecting piece (8) is fixedly arranged on the main beam, and the other end is fixedly arranged on the auxiliary beam (5).

4. The household lift lower beam according to claim 1, characterized in that, The main beam is two, including a first main beam (3) and a second main beam (4), the first main beam (3) and the second main beam (4) are fixedly arranged in parallel at the bottom of the portal frame (1), a guide shoe plate (9) is fixedly arranged at the end of the first main beam (3) and the second main beam (4), and a collision prevention plate (10) is fixedly arranged between the middle of the first main beam (3) and the second main beam (4).

5. The household lift lower beam according to claim 4, characterized in that, The guide shoe plate (9) is a symmetrical structure, including a plate body and first, second, third and fourth fixed feet (11, 12, 13 and 14) respectively arranged at the top corners of the plate body, the first fixed foot (11) and the second fixed foot (12) are the same shape, and the third fixed foot (13) and the fourth fixed foot (14) are the same shape. The first fixed foot (11) and the second fixed foot (12) are respectively fixedly arranged on the side of the first main beam (3) and the second main beam (4) away from the end thereof, the third fixed foot (13) and the fourth fixed foot (14) are fixedly arranged at the end of the first main beam (3) and the second main beam (4), and a slot for accommodating the guide shoe is arranged between the third fixed foot (13) and the fourth fixed foot (14).

6. The household lift lower beam according to claim 4, characterized in that, One end of the collision prevention plate (10) is fixedly arranged on the first main beam (3), and the other end is fixedly arranged on the second main beam (4).

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