Elevator shaft and elevator

Abstract

The utility model relates to an elevator, in particular to an elevator shaft and an elevator. The elevator shaft comprises two front stand columns, two rear stand columns, shaft side plates connected between the adjacent front stand columns and rear stand columns, and lift car guide rails arranged on the shaft side plates. Wherein the two front stand columns are adjacently arranged, and the front stand columns, the rear stand columns and the lift car guide rails are all vertically arranged. The rear stand column comprises a vertical guide part used for restraining the sliding direction of a counterweight assembly of the elevator, and a lift car assembly of the elevator is connected to the lift car guide rail in a sliding mode. By adopting the method of restraining the sliding direction of the counterweight assembly through the rear stand columns, the structure of the elevator shaft is simplified, and the building cost is reduced.

Description

Technical Field

[0001] The utility model relates to an elevator, in particular to an elevator shaft and an elevator. Background Art

[0002] Elevators are basic equipment that are installed in most modern multi-story buildings and have been widely used in low-rise and medium-rise buildings. At present, many buildings with lower floors are equipped with elevators. Since the number of floors and households in a building is small, the cost of equipping an elevator that each household needs to share is high and the practicality is low. Therefore, it is necessary to reduce the construction cost of elevators.

[0003] At present, the construction cost of elevators is usually reduced by reducing the volume and load-bearing weight of the elevator car. However, this method will reduce the performance of the elevator and thus reduce the practicality of the elevator. Utility Model Content

[0004] The utility model aims to provide an elevator shaft and an elevator with low cost.

[0005] In order to achieve the above object, the utility model provides the following technical solutions:

[0006] An elevator shaft comprises two adjacent front columns, two adjacent rear columns, shaft side panels connected between the front columns and the rear columns, and a car guide rail arranged on the shaft side panels, wherein the front columns, the rear columns and the car guide rail are all arranged vertically, the rear columns include a vertically arranged guide portion, a counterweight assembly is slidably connected to the guide portion of the rear columns, and a car assembly is slidably connected to the car guide rail.

[0007] Optionally, the rear pillar further includes a supporting portion, a connecting portion and a reinforcing portion, the two rear pillars are axially symmetrically arranged, the supporting portion is configured as a right angle and has a long side and a short side, the guiding portion of the rear pillar is parallel to the long side of the supporting portion, the connecting portion is connected between the long side of the supporting portion and the guiding portion of the rear pillar, and the reinforcing portion is connected between the long side of the supporting portion and the connecting portion of the rear pillar.

[0008] Optionally, the rear pillar is made of aluminum profile.

[0009] Optionally, the rear pillar includes a protective layer, and the protective layer is wrapped around the surface of the guide portion.

[0010] It also includes a protective layer, and the shaft side plate includes a plurality of connecting beams and connecting plates, the connecting beams are horizontally arranged and the two ends are respectively connected to the front column and the rear column, and the connecting plates are vertically arranged and connected to the adjacent front column and the rear column and the connecting beams.

[0011] Optionally, the elevator shaft further includes a front crossbeam and a rear crossbeam, a plurality of the front crossbeams are connected to the front columns and are arranged at different heights, a plurality of the rear crossbeams are connected to the rear columns and are arranged at different heights, and the front crossbeam, the rear crossbeam and the two connecting beams arranged at the same height form a rectangular structure.

[0012] Optionally, the elevator shaft further includes shaft doors, and a plurality of shaft doors arranged at different heights are all connected to the front crossbeam and are flush with each other.

[0013] In the second aspect, the present invention also provides an elevator, comprising the above-mentioned elevator shaft, the counterweight assembly, the car assembly and the traction assembly, the traction assembly comprising a traction main unit and a traction rope, the traction main unit is arranged in the elevator shaft, comprises a motor and a traction wheel driven by the motor to rotate, the two ends of the traction rope are respectively connected to the counterweight assembly and the car assembly, and the middle part of the traction rope is wound around the traction wheel.

[0014] Optionally, the car assembly includes a car body, a car door and a car guide shoe, the car guide shoe is connected to the car body, and the car guide shoe is slidably connected to the car guide rail, the car door is connected to the car body to form a closed box-like structure with the car body, and the car door is arranged on a side of the car assembly away from the counterweight assembly.

[0015] According to the first aspect of the utility model, the counterweight assembly is slidably connected to the rear column, so that the rear column plays the role of supporting the elevator shaft and also has the function of the counterweight guide rail, thereby simplifying the overall structure of the elevator shaft and reducing the time, manpower and material costs of the elevator construction project. The car guide rail is set on the side plate of the shaft, so that there is a large space on both sides of the car guide rail, which is convenient for the car guide rail to correspond to the middle position of the car, which helps to balance the force on both sides of the car guide rail, prevents the car guide rail and the car guide shoe from being subjected to torsion towards the same side for a long time, and helps to reduce the wear of the car guide rail and the car guide shoe.

[0016] Furthermore, by configuring the support portion to be right-angled, a higher strength can be achieved with less material, which helps to improve the supporting force of the rear pillar. Connecting the support portion and the guide portion through the connecting portion, and reinforcing the structure of the connecting portion through the reinforcing portion, helps to improve the structural stability of the guide portion and reduce the risk of structural deformation of the guide portion.

[0017] Furthermore, aluminum profiles have the advantages of high strength, low weight and low price. Using aluminum profiles to prepare rear columns helps to reduce the construction cost of the elevator shaft.

[0018] Furthermore, protecting the guide portion of the rear pillar by the protective layer helps to improve the wear resistance of the guide portion and prevent the guide portion from being worn during operation.

[0019] Furthermore, by providing the connecting beam, it helps to improve the connection strength of the shaft side plate and helps to improve the supporting force of the shaft side plate on the car guide rail.

[0020] Furthermore, by arranging two connecting beams, a front cross beam and a rear cross beam at the same height, a horizontally arranged rectangular structure is formed, which helps to strengthen the overall structure of the elevator shaft and improve the strength and safety.

[0021] According to the second aspect of the utility model, the motor drives the traction wheel to rotate, so that the two ends of the traction rope wound around the traction wheel are displaced. The gravity of the car assembly is balanced by the gravity of the counterweight assembly, which can reduce the burden of the traction machine and thus reduce costs.

[0022] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a horizontal cross-sectional view of the elevator shaft shown in the first embodiment of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure inside the elevator shaft shown in Example 1 of the utility model.

[0025] Legend: 1- elevator shaft, 11- front column, 12- rear column, 121- supporting part, 1211- long side, 1212- short side, 122- guiding part, 123- connecting part, 124- reinforcing part, 13- connecting beam, 14- front cross beam, 15- rear cross beam, 16- car guide rail, 17- shaft door, 2- counterweight assembly, 21- counterweight guide shoe, 22- counterweight frame, 3- car assembly, 31- car guide shoe, 32- car body, 4- traction assembly, 41- traction main machine, 411- traction wheel, 42- traction rope. DETAILED DESCRIPTION

[0026] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0030] See also Figure 1 The elevator shaft 1 protected by the utility model application includes two front columns 11, two rear columns 12, shaft side panels connected between the front columns 11 and the rear columns 12, and a car guide rail 16 arranged on the shaft side panels. The front columns 11, the rear columns 12 and the car guide rail 16 are all arranged vertically and the two rear columns 12 are arranged adjacent to each other. The rear column 12 includes a vertically arranged guide portion 122, the counterweight assembly 2 of the elevator is slidably connected to the guide portion 122 of the rear column 12, and the car assembly 3 of the elevator is slidably connected to the car guide rail 16.

[0031] By making the counterweight assembly 2 slidably connected to the rear column 12, the rear column 12 not only plays the role of supporting the elevator shaft 1, but also has the function of the counterweight guide rail, thereby simplifying the overall structure of the elevator shaft 1, reducing the time, manpower and material costs of the elevator construction project, and improving the aesthetics of the elevator. The car guide rail 16 is arranged on the shaft side plate so that the car guide rail 16 corresponds to the middle position of the car, which can prevent the car guide rail 16 and the car guide shoe 31 from being subjected to torsion toward the same side for a long time, which helps to reduce the wear of the car guide rail 16 and the car guide shoe 31.

[0032] In some embodiments, the rear pillar 12 further includes a support portion 121, a connection portion 123 and a reinforcement portion 124. The support portion 121 is configured as a right angle with a long side 1211 and a short side 1212, achieving a higher strength with less material, thereby improving the supporting force of the rear pillar 12. The guide portion 122 is parallel to the long side 1211 of the support portion 121 and is connected to the long side 1211 of the support portion 121 through the connection portion 123. The reinforcement portion 124 is connected between the long side 1211 of the support portion 121 and the connection portion 123, thereby helping to improve the structural stability of the guide portion 122 and reduce the risk of structural deformation of the guide portion 122. The two rear pillars 12 are arranged axially symmetrically to facilitate the installation of the counterweight assembly 2.

[0033] Embodiment 1:

[0034] See also Figure 1 and Figure 2 The elevator shown in a preferred embodiment of the present application includes an elevator shaft 1, a counterweight assembly 2, a car assembly 3 and a traction assembly 4. The counterweight assembly 2 and the car assembly 3 are both slidably connected to the elevator shaft 1, and the traction assembly 4 is fixedly connected to the elevator shaft 1. The top of the counterweight assembly 2 and the top of the car assembly 3 are connected to each other through the traction rope 42 of the traction assembly 4, and the counterweight assembly 2 and the car assembly 3 move vertically in opposite directions along the elevator shaft 1 under the drive of the traction main machine 41 of the traction assembly 4.

[0035] The elevator shaft 1 includes two front columns 11 and two rear columns 12 arranged in a rectangular shape. The front columns 11 and the rear columns 12 are both in a vertical state and are axially symmetrical as a whole, and the two front columns 11 are arranged adjacent to each other. The rear column 12 includes a support portion 121, a guide portion 122, a connection portion 123 and a reinforcement portion 124. The support portion 121 of the rear column 12 is configured in a right angle shape, including a long side 1211 and a short side 1212 that are perpendicular to each other, and the long sides 1211 of the support portions 121 of the two rear columns 12 are located on the same straight line. The right angle structure has a strong supporting capacity and can save raw materials. The long side 1211 of the support portion 121 is vertically connected with a connection portion 123, and the connection portion 123 and the short side 1212 of the support portion 121 are located on the same side of the long side 1211 of the support portion 121. A guide portion 122 is vertically connected to the middle of the side surface of the connecting portion 123 near the other rear pillar 12, and the guide portion 122 is parallel to the long side 1211 of the support portion 121. A reinforcing portion 124 is connected between the long side 1211 of the support portion 121 and the connecting portion 123, thereby reinforcing the overall structure of the rear pillar 12 and reducing the risk of deformation of the connecting portion 123 and the guide portion 122. The short side 1212 of the support portion 121 of the rear pillar 12 extends toward the front pillar 11. The front pillar 11 is constructed in a right angle shape with a structure similar to that of the support portion 121 of the rear pillar 12, and the shorter sides of the two front pillars 11 are located on the same straight line, and the longer side of the front pillar 11 extends toward the rear pillar 12.

[0036] In this embodiment, the front column 11 and the rear column 12 are both constructed of extruded aluminum profiles, and a protective layer of metallic copper is electroplated on the surface of the extruded aluminum profiles, so that the front column 11 and the rear column 12 have good strength and wear resistance and a small density, thereby improving the strength of the elevator shaft 1 and the wear resistance of the guide portion 122 of the rear column 12, which helps to reduce the difficulty of construction, extend the service life, and thus reduce the construction and operation costs of the elevator.

[0037] The elevator shaft 1 also includes a horizontally arranged connecting beam 13, a front cross beam 14, a rear cross beam 15 and a car guide rail 16. The two ends of the multiple connecting beams 13 are respectively connected to the adjacent front columns 11 and the rear columns 12 at different heights, the two ends of the multiple front cross beams 14 are respectively connected to the two adjacent front columns 11 at different heights, and the two ends of the multiple rear cross beams 15 are respectively connected to the two adjacent rear columns 12 at different heights. Among them, two connecting beams 13 connected to different front columns 11, one front cross beam 14 and one rear cross beam 15 are located at the same height and surrounded into a rectangular structure, so that the overall structure of the elevator shaft 1 is more solid and stable. The car guide rail 16 is vertically arranged and connected to the middle of the connecting beam 13. The two car guide rails 16 are arranged opposite to each other to constrain the sliding direction of the car assembly 3.

[0038] The elevator shaft 1 also includes a connecting plate, a back plate, a front plate and a shaft door 17. The connecting plate is composed of a plurality of steel plates, and is connected to the adjacent front columns 11 and rear columns 12, as well as the car guide rails 16 and a plurality of connecting beams 13 arranged therebetween. The connecting plate and the connecting beams 13 together form a shaft side plate. The back plate is composed of a plurality of steel plates, and is connected to the adjacent rear columns 12 and a plurality of rear cross beams 15. The front plate is composed of a plurality of steel plates, and is connected to the adjacent front columns 11 and a plurality of front cross beams 14. The connecting plate, the back plate and the front plate play a role of further reinforcement, and at the same time prevent debris from entering the elevator shaft 1 and causing elevator failure. A plurality of shaft doors 17 are all arranged at different heights in the middle of the front plate and are flush with each other, corresponding to different floors, and are used to connect the two sides of the front plate. In this embodiment, the shaft door 17 adopts a single-opening flat door structure.

[0039] The traction assembly 4 is fixedly connected to the top of the elevator shaft 1, and includes a traction main unit 41 and a traction rope 42. The traction main unit 41 includes a motor and a traction sheave 411. The traction rope 42 is wound around the traction sheave 411, and its two ends are respectively connected to the top of the counterweight assembly 2 and the car assembly 3. When the traction main unit 41 is working, the motor drives the traction sheave 411 to rotate, so that the traction rope 42 is displaced relative to the traction sheave 411, thereby driving the car assembly 3 to rise and fall. The counterweight assembly 2 plays the role of a counterweight, reducing the power of the motor and the torque on the traction sheave 411, and reducing the loss of the traction main unit 41.

[0040] The counterweight assembly 2 includes a counterweight frame 22, a counterweight block and a counterweight guide shoe 21. A plurality of counterweight blocks of preset weights are mounted on the counterweight frame 22. Two counterweight guide shoes 21 are mounted on two sides of the counterweight frame 22 and are located at the same height. The two counterweight guide shoes 21 are slidably connected to the guide portions 122 of the two front columns 11, respectively, and the counterweight guide shoe 21 is located at the midpoint of the side of the counterweight frame 22 in the horizontal direction, which reduces the lateral torsion force on the counterweight guide shoe 21 and the guide portion 122 of the front column 11, and is conducive to reducing the wear of the counterweight guide shoe 21 and the guide portion 122 of the front column 11.

[0041] The car assembly 3 includes a car body 32, a car door and a car guide shoe 31. The car body 32 is made of steel plates, and together with the car door, forms a closed box-shaped structure. The position of the car door corresponds to the position of each shaft door 17. In this embodiment, the car door adopts a sliding door, which is not easy to interfere with the shaft door 17. Two car guide shoes 31 are respectively arranged on the two sides of the car body 32 close to the connecting plate and the positions correspond to each other. The two car guide shoes 31 are respectively slidably connected to the two car guide rails 16. The car guide shoe 31 is located at the midpoint of the side of the car body 32 in the horizontal direction, which helps to reduce the wear of the car guide shoe 31 and the car guide rail 16.

[0042] The beneficial effects of the utility model are: high strength and low construction cost, simple structure and beautiful appearance, and high practicality.

[0043] Embodiment 2:

[0044] In this embodiment, the connecting plate, the back plate, the front plate, the shaft door 17 and part of the side wall of the compartment 32 are made of tempered glass, which has a high aesthetic appearance.

[0045] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0046] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An elevator shaft, characterized in that: The invention comprises two adjacent front columns (11), two adjacent rear columns (12), a shaft side plate connected between the front columns (11) and the rear columns (12), and a car guide rail (16) arranged on the shaft side plate, wherein the front columns (11), the rear columns (12) and the car guide rail (16) are all arranged vertically, the rear columns (12) comprise a vertically arranged guide portion (122), the counterweight assembly (2) of the elevator is slidably connected to the guide portion (122) of the rear columns (12), and the car assembly (3) is slidably connected to the car guide rail (16).

2. The elevator shaft according to claim 1, characterized in that: The rear pillar (12) further comprises a supporting portion (121), a connecting portion (123) and a reinforcing portion (124); the two rear pillars (12) are axially symmetrically arranged; the supporting portion (121) is configured in a right angle shape and has a long side (1211) and a short side (1212); the guiding portion (122) of the rear pillar (12) is parallel to the long side (1211) of the supporting portion (121); the connecting portion (123) is connected between the long side (1211) of the supporting portion (121) and the guiding portion (122) of the rear pillar (12); and the reinforcing portion (124) is connected between the long side (1211) of the supporting portion (121) and the connecting portion (123) of the rear pillar (12).

3. The elevator shaft according to claim 1, characterized in that: The rear pillar (12) is made of aluminum profile.

4. The elevator shaft according to claim 1, characterized in that: The rear pillar (12) comprises a protective layer, and the protective layer is wrapped around the surface of the guide portion (122).

5. The elevator shaft according to claim 1, characterized in that: The shaft side plate comprises a plurality of connecting beams (13) and connecting plates. The connecting beams (13) are arranged horizontally and have two ends respectively connected to the front column (11) and the rear column (12). The connecting plates are arranged vertically and connected to the adjacent front column (11) and the rear column (12) and the connecting beams (13).

6. The elevator shaft according to claim 5, characterized in that: It also includes a front cross beam (14) and a rear cross beam (15), wherein a plurality of the front cross beams (14) are connected to the front upright posts (11) and are arranged at different heights, and a plurality of the rear cross beams (15) are connected to the rear upright posts (12) and are arranged at different heights, and the front cross beam (14), the rear cross beam (15) and the two connecting beams (13) arranged at the same height form a rectangular structure.

7. The elevator shaft according to claim 6, characterized in that: It also includes a shaft door (17), wherein a plurality of shaft doors (17) arranged at different heights are all connected to the front crossbeam (14) and are flush with each other.

8. An elevator, characterized in that: The elevator shaft (1) comprises an elevator shaft (1) as claimed in any one of claims 1 to 7, the counterweight assembly (2), the car assembly (3) and a traction assembly (4), wherein the traction assembly (4) comprises a traction main machine (41) and a traction rope (42), the traction main machine (41) is arranged in the elevator shaft (1), comprises an electric motor and a traction wheel (411) driven by the electric motor to rotate, the two ends of the traction rope (42) are respectively connected to the counterweight assembly (2) and the car assembly (3), and the middle part of the traction rope (42) is wound around the traction wheel (411).

9. The elevator according to claim 8, characterized in that The car assembly (3) comprises a car body (32), a car door and a car guide shoe (31), wherein the car guide shoe (31) is connected to the car body (32), and the car guide shoe (31) is slidably connected to the car guide rail (16), the car door is connected to the car body (32), and forms a closed box-shaped structure with the car body (32), and the car door is arranged on a side of the car assembly (3) away from the counterweight assembly (2).

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