CN117755939A - Car and elevator of shallow pit elevator - Google Patents

Abstract

The invention relates to a car and an elevator of a shallow pit elevator, wherein the car comprises: the car body comprises a car bottom, a car wall, a car top and an upright post, wherein the car bottom, the car wall and the car top jointly form a carrying space of the car, the upright post is directly connected to the car bottom and located on the side face of the car wall, far away from the carrying space, of the car wall, and the at least two cushioning pieces are located below the car bottom and are arranged outside a horizontal projection plane of the car bottom. The lift car of the shallow pit lift can meet the mounting requirement of the shallow pit or lift without pit, and has small requirement on the height of the lift roof.

Description

Car and elevator of shallow pit elevator

Technical Field

The invention relates to the technical field of elevators, in particular to an elevator car applicable to a shallow pit and a low top layer.

Background

With the improvement of the living standard of people and the aging of resident in the building, a large number of low-rise residents have the requirement of installing elevators, but for many buildings, particularly for the existing buildings, the normal elevator pit is difficult to excavate under the influence of the building structure, for example, the construction of the conventional elevator pit and a machine room is hard to finish, and huge cost is brought. The development of an applicable elevator for shallow pit and low overhead is an effective way to address practical needs.

Through patent search, there are many design patents of the related shallow pit elevator car, for example: CN212608916 (a shallow pit elevator); CN208413580 (a shallow pit elevator car); some of these are not lacking, for example: CN1178848C (pit-free elevator). These patents all take into account well the pit depth problem, striving to thin the car floor design. However, the problems still exist in the prior art: it is desirable to further reduce the thickness of the car bottom and comprehensively consider the overall design of the car assembly while meeting the requirements of a low overhead floor.

The information disclosed in the background section of the invention is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Disclosure of Invention

The invention aims to provide a car of a shallow pit elevator, which is suitable for an ultra-shallow elevator pit.

Another object of the present invention is to provide a car of a shallow pit elevator, which can further reduce the thickness of the car bottom.

It is a further object of the present invention to provide a car for a shallow pit elevator that can comprehensively consider the overall design of the car assembly while also synchronizing the need for a low overhead floor.

To achieve the above object, the present invention provides a car of a shallow pit elevator, wherein the car comprises: the car comprises a car body and at least two buffer parts, wherein the car body comprises a car bottom, a car wall, a car top and a stand column, the car bottom, the car wall and the car top jointly form a containing space of the car, and the stand column is directly connected to the car bottom and is positioned on the side surface of the car wall far away from the containing space; at least two cushioning members are positioned below the car bottom and are arranged outside the horizontal projection plane of the car bottom.

The aforesaid shallow pit elevator's car, the car further includes the roof beam subassembly, the roof beam subassembly includes: an upper beam, a car roof sheave, a first guide shoe and a safety gear, wherein the upper beam is assembled to the upper part of the car roof; a car roof sheave is mounted to the upper beam; a first guide shoe mounted to a side of the upper beam; a safety gear is mounted to a side of the upper beam, and the first guide shoe and the safety gear are mounted up and down the side of the upper beam.

The car of the shallow pit elevator, wherein the first guide shoe can be located above the safety gear.

The car of the aforementioned shallow pit elevator, wherein the car may further comprise a second guide shoe located at a lower portion of a side surface of the car body.

The car of the aforementioned shallow pit elevator, wherein the number of the buffer members may be set to four.

The car of the shallow pit elevator can be provided with a buffer support around the car bottom, and the buffer is mounted on the buffer support.

The car of the shallow pit elevator can be provided with buffer stop blocks around the car bottom, and the buffer is fixed at the position of the pit surface corresponding to the buffer stop blocks of the car bottom.

The car of the shallow pit elevator, wherein the car bottom can be a plate without a lower beam and without damping, and the bottom surface of the buffer part is lower than the plane of the car bottom.

The car of the shallow pit elevator can be made of high polymer elastic materials.

The car of the shallow pit elevator, wherein the car can further comprise an electric control system, the car roof is provided with a reinforcement, and the electric control system is installed in a space formed by the reinforcement of the car roof.

The invention also provides an elevator, which comprises the elevator car of the shallow pit elevator.

The invention has the beneficial effects that:

(1) The elevator installation requirement of a shallow pit or no pit can be met;

(2) The height requirement of the elevator roof is small;

(3) The structure is simple, and the installation is convenient;

(4) The invention can reduce the civil engineering cost and the equipment manufacturing cost to a great extent and has wide application range.

Drawings

Fig. 1 is a perspective view of a car of a shallow pit elevator according to an exemplary embodiment of the present invention.

Fig. 2 is an assembled schematic view of an upper beam assembly according to an exemplary embodiment of the present invention.

Fig. 3 is a schematic view of a car roof portion according to an exemplary embodiment of the invention.

Fig. 4 is a schematic view of a bottom portion of a car according to an exemplary embodiment of the invention.

Reference numerals illustrate:

2. car roof

3. Car wall

4. Car bottom

5. Upright post

10. Car body

20. Upper beam assembly

201. Upper beam

202. Car top rope sheave

203. First guide shoe

204. Safety tongs

2001. First part

2002. Second part

20011. First plate

20022. Second plate

30. Electrical control system

40. Buffer support

41. Buffer member

51. Second guide shoe

100. The accommodating space.

It should be understood that the drawings are not to scale but rather illustrate various features that are somewhat simplified in order to explain the basic principles of the invention. In the drawings of the present invention, like reference numerals designate like or equivalent parts of the present invention.

Detailed Description

Reference will now be made in detail to various embodiments of the invention, examples of which are illustrated in the accompanying drawings and described below. While the invention will be described in conjunction with the exemplary embodiments thereof, it will be understood that the present description is not intended to limit the invention to those exemplary embodiments. On the contrary, the invention is intended to cover not only the exemplary embodiments of the invention, but also various alternatives, modifications, equivalents, and other embodiments, which are included within the spirit and scope of the invention as defined by the appended claims.

Hereinafter, exemplary embodiments of the present invention will be described more specifically with reference to the accompanying drawings.

Referring to fig. 1 to 4, the present invention relates to a car of a shallow pit elevator, which may include: the car comprises a car body 10 and at least two buffer pieces 41, wherein the car body 10 comprises a car bottom 4, a car wall 3, a car top 2 and a stand column 5, the car bottom 4, the car wall 3 and the car top 2 jointly form a car containing space 100, and the stand column 5 is directly connected to the car bottom 4 and is positioned on the side surface of the car wall 3 away from the containing space 100; at least two buffers 41 are located below the car bottom 4 and outside the horizontal projection plane of the car bottom.

In this embodiment, the car body is hexahedral in shape, including a front wall, a rear wall, a left wall, a right wall, a top surface, and a bottom surface; the front wall, rear wall, left wall and right wall of the car body are formed by car walls 3, the top surface of the car body is formed by car roof 2, and the bottom surface of the car body is formed by car bottom 4. The front wall of the car body may be provided with openings and the left and right walls of the car body may be connected with the upright 5.

The bottom of the car may be provided with stiffeners or in a saw tooth configuration to increase its strength.

The upright 5 can be used for supporting and bearing functions. The upright 5 is located on the sides of the left and right walls of the car body that are remote from the accommodating space 100. In the embodiment shown, the upright 5 is located in a position intermediate the sides of the left and right walls of the car body. The upper part of the upright 5 can be connected to the top of the car and the lower part of the upright 5 can be connected to the bottom of the car. In this embodiment the upright 5 is a channel material (e.g. channel steel) and some parts of the elevator (e.g. the second guide shoe 51) can be arranged in the groove of the upright 5.

In conventional car designs, the car includes a bottom bracket to which the upright is attached, and the car bottom is placed above the bottom bracket. However, in the exemplary embodiment of the present invention, the upright 5 may be directly connected to the car bottom 4, omitting the design of the bottom bracket, and thus a large amount of car bottom space may be saved.

The car bottom of the present invention may be a sill-free undamped plate, and in an exemplary embodiment of the present invention, the car bottom is a sill-free undamped single-layer car bottom structure.

Further, in an exemplary embodiment of the present invention, the car may further include an upper beam assembly 20, the upper beam assembly 20 including: an upper beam 201, a car roof sheave 202, a first guide shoe 203, and a safety gear 204, wherein the upper beam 201 is fitted to an upper portion of the car roof 2; a car roof sheave 202 is mounted to the upper beam 201; the first guide shoe 203 is mounted to a side of the upper beam 201; the safety gear 204 is mounted to a side of the upper beam 201, and the first guide shoe 203 and the safety gear 204 are mounted up and down on the side of the upper beam 201.

By integrating the car top rope sheave 202, the first guide shoe 203, the safety tongs 204 and other motion functional components with the upper beam 201, the upper beam assembly 20 is modularized, so that the upper beam assembly can be assembled in a factory, the assembly precision can be ensured, and the assembly of the car on site is facilitated.

Specifically, with reference to fig. 2 in combination, in an exemplary embodiment of the present invention, the upper beam 201 includes a first portion 2001 and two second portions 2002, wherein the first portion 2001 includes two first plates 20011, the two first plates 20011 are identical in shape to each other, each approximates an "n" shape, and the two first plates 20011 are parallel to and spaced apart from each other. Two second portions 2002 are respectively located at both end portions of the first portion 2001, each second portion 2002 includes a second plate 20022, the second plates 20022 of the two second portions 2002 are identical in shape to each other, and the second plates 20022 of the two second portions 2002 are parallel to each other and both located between the two first plates 20011; the first plate 20011 and the second plate 20022 are joined to each other to form the shape of the upper beam 201 as shown in the figure, the shape of the upper beam 201 of the present invention is not limited thereto, and it may be adjusted according to practical situations.

In an exemplary embodiment of the present invention, the number of the car top sheaves 202 may be set to two, and each car top sheave 202 may be mounted to two first plates 20011 and located between the two first plates 20011. The number of the first guide shoes 203 and the safety tongs 204 may be set to two, respectively, one first guide shoe 203 and one safety tongs 204 may be mounted to one second plate 20022, and the other first guide shoe 203 and the other safety tongs 204 may be mounted to the other second plate 20022, and the first guide shoe 203 and the safety tongs 204 may be mounted up and down on the second plate 20022.

In the exemplary embodiment of the present invention, the first guide shoe 203 may be located above the safety gear 204, but the present invention is not limited thereto, and the positions of the first guide shoe 203 and the safety gear 204 may be relatively adjusted.

Since the first guide shoe 203 and the safety tongs 204 are mounted on the side surface of the upper beam 201, the relative positions of the first guide shoe 203 and the safety tongs 204 are easy to adjust, the influence of the height of the first guide shoe 203 on the hoistway is solved, and the hoistway space is saved.

In addition, the car of the present invention may further include a second guide shoe 51, and the second guide shoe 51 may be located at a lower portion of a side surface of the car body 10.

In an exemplary embodiment of the present invention, the number of the second guide shoes 51 may be set to two, and the two second guide shoes 51 are respectively disposed at lower portions of the two columns 5 and aligned in the vertical direction with the first guide shoes 203. However, the present invention is not limited thereto, and the position of the second guide shoe 51 in the vertical direction may be adjusted according to the actual application situation.

Referring to fig. 4 in combination, in the exemplary embodiment of the present invention, the number of the buffering members 41 may be set to four, but the number of the buffering members 41 may be selected as needed, for example, may be set to 2 to 10. In addition, in the illustrated embodiment, the shape of the cage is square, but it may be provided in other shapes such as a semicircle (or a circular arc), a triangle, etc., and the number of the buffer 41 may be selected according to the shape of the cage.

Hereinafter, the specific positions of the buffers 41 will be described taking the case where four buffers 41 are provided as an example.

In an exemplary embodiment of the present invention, four buffer brackets 40 may be provided around the car bottom 4. Preferably, the buffer bracket 40 is provided at a corner of the car bottom. The buffer 41 may be mounted to the buffer holder 40. The number of bumper brackets 40 is equal to the number of bumpers 41.

In an exemplary embodiment of the present invention, the installation plane of the buffer 41 may be higher than the plane of the car bottom 4, and the bottom surface of the buffer 41 is lower than the plane of the car bottom 4. Therefore, the thickness of the bottom of the car can be further reduced while ensuring a sufficient cushioning effect.

Alternatively, in another embodiment of the present invention, four buffer stoppers (not shown) may be provided around the car bottom 4, and the buffer 41 may be fixed at a position of the bottom pit surface corresponding to the buffer stoppers of the car bottom 4. The number of the buffer stop blocks is not limited to this, and the number of the buffer stop blocks is equal to the number of the buffers.

In conventional car floor buffer designs, the buffer is often disposed directly below the car, but the present invention places the car floor buffer around the car floor so that the distance between the car floor plane and the pit plane is no longer affected by the buffer space.

By the buffer 41 provided as described above, the car bottom 4 can be maximally brought close to the pit plane of the hoistway upon impact with the ground.

The buffer 41 may be made of a polymer elastic material, and thus may absorb impact and noise when the car top reaches the end.

In an exemplary embodiment of the present invention, the car roof 2 may be provided with a reinforcement to increase the rigidity and strength of the car.

Referring to fig. 3 in combination, the car of the present invention may further include an electrical control system 30, the electrical control system 30 being installed in a space formed by the reinforcement of the car roof 2.

As described above, the electric control system 30 is provided using the space formed by the reinforcement of the car roof 2, and the car roof 2 does not need to be provided with a car roof service box alone, whereby the car roof running space requirement can be greatly reduced.

In summary, with the car provided as described above, the elevator can be made to reduce the requirement for the height of the hoistway ceiling in the case of satisfying the shallow pit.

The foregoing description of specific exemplary embodiments of the invention has been presented for the purposes of illustration and description. They are not intended to be exhaustive or to limit the invention to the precise forms disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to thereby enable others skilled in the art to make and utilize various exemplary embodiments and various alternatives and modifications thereof. It is intended that the scope of the invention be defined by the following claims and their equivalents.

Claims (11)

1. A car of a shallow pit elevator, the car comprising:

the car body comprises a car bottom, a car wall, a car top and a stand column, wherein the car bottom, the car wall and the car top jointly form a containing space of the car, and the stand column is directly connected to the car bottom and is positioned on the side surface of the car wall away from the containing space; and

and the at least two buffer parts are positioned below the car bottom and are arranged outside the horizontal projection plane of the car bottom.

2. The shallow pit elevator car of claim 1, further comprising an upper beam assembly comprising:

an upper beam fitted to an upper portion of the car roof;

a car roof sheave mounted to the upper beam;

a first guide shoe mounted to a side of the upper beam; and

and a safety gear mounted to a side of the upper beam, and the first guide shoe and the safety gear are mounted up and down on the side of the upper beam.

3. The car of a shallow pit elevator of claim 2, wherein the first guide shoe is located above the safety gear.

4. A car of a shallow pit elevator according to claim 3, characterized in that the car further comprises a second guide shoe located in a lower part of the side of the car body.

5. The car of a shallow pit elevator according to claim 1, wherein the number of buffers is set to four.

6. The car of a shallow pit elevator according to claim 1, wherein a buffer support is provided around the car bottom, the buffer being mounted to the buffer support.

7. The car of a shallow pit elevator according to claim 1, wherein a buffer stop is provided around the car bottom, the buffer being fixed at a position of the bottom pit surface corresponding to the buffer stop of the car bottom.

8. The shallow pit elevator car of claim 6, wherein the car bottom is a non-damping plate without a lower beam and the bottom surface of the buffer is below the plane of the car bottom.

9. The shallow pit elevator car of claim 8, wherein the buffer is a polymeric elastic material.

10. The shallow pit elevator car of claim 1, further comprising an electrical control system, the car roof being provided with a stiffener, the electrical control system being mounted in a space formed by the stiffener of the car roof.

11. Elevator, characterized by comprising a car of a shallow pit elevator according to any one of claims 1-10.