Shallow pit compact villa elevator

Abstract

A shallow pit compact type villa elevator comprises a car device, the car device comprises a car frame, the car frame comprises an upper beam body, a lower beam body, a lower chassis and two car stand columns, and the two ends of the upper beam body are connected with the tops of the two car stand columns respectively; the lower beam body comprises a lower beam bottom wall, a lower beam front wall formed by bending upwards from the front end of the lower beam bottom wall, a lower beam rear wall formed by bending upwards from the rear end of the lower beam bottom wall, a lower beam front folding edge formed by bending forwards from the upper end of the lower beam front wall, and a lower beam rear folding edge formed by bending backwards from the upper end of the lower beam rear wall; the lower beam front wall and the lower beam rear wall are each provided with a first connecting bolt connected with a lift car stand column in a combined mode, and the two ends of the lower beam front folding edge and the two ends of the lower beam rear folding edge are each provided with a second connecting bolt connected with the bottom of a lower chassis. The front side and the rear side of the car stand column and the two ends of the lower chassis are simultaneously supported and connected through the lower beam body, the structure of the elevator is effectively simplified, troubles caused when the lower beam body is assembled and connected with other elevator parts are reduced, and the elevator assembling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a shallow pit compact villa elevator. Background Art

[0002] With the development of economic level, many villas are now equipped with villa elevators. In the prior art, affected by the villa architecture, the pit depth of villa elevators is usually shallow, and it is usually necessary to set a structure on the elevator to adapt to the shallow pit.

[0003] Referring to the existing Chinese patent with publication number CN218931396U, a shallow pit villa elevator structure is disclosed, including a lower chassis, longitudinal beams are welded on both sides of the lower chassis, lower beams are welded on both sides of the bottom center of the lower chassis, and a reinforcing plate is fixedly connected between one side of the lower beam and the longitudinal beam; a car is fixedly installed on the lower chassis, and car columns are fixedly installed on both sides of the car, and the bottom end of the car column is welded to the extended end of the lower beam. The lower guide shoe of the car in this patent is laterally placed in the car column to reduce the rear end of the lower part of the car, so as to achieve the purpose of reducing the space occupied by the pit. At the same time, lower beams are welded on both sides of the bottom center of the lower chassis, and the lower beams are arranged at intervals and welded to the lower chassis as a whole. The longitudinal beams on both sides of the lower chassis are welded to the lower beams. The patent adopts a double lower beam structure to enhance the overall structural stability. However, in the actual production of elevators with a double lower beam structure, since each lower beam needs to be connected to a large number of elevator components, each lower beam needs to be independently positioned during the assembly process. The connection and installation of the two lower beams means that positioning must be performed twice, which makes the connection and assembly of the lower beams more complicated, affecting the assembly efficiency of the elevator. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a shallow pit compact villa elevator.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A shallow pit compact villa elevator, comprising a car device, the car device comprising a car frame, the car frame comprising an upper beam, a lower beam, a lower chassis, and two car columns, the two ends of the upper beam are respectively connected to the tops of the two car columns; a chassis receiving groove is provided at the bottom of the lower chassis, and at least a part of the lower beam extends into the chassis receiving groove; the characteristics are:

[0007] The lower beam body comprises a lower beam bottom wall, a lower beam front wall formed by bending upward from the front end of the lower beam bottom wall, a lower beam rear wall formed by bending upward from the rear end of the lower beam bottom wall, a lower beam front folded edge formed by bending forward from the upper end of the lower beam front wall, and a lower beam rear folded edge formed by bending backward from the upper end of the lower beam rear wall, wherein the lower beam bottom wall, the lower beam front wall and the lower beam rear wall together form a lower beam U-shaped groove with the notch facing upward;

[0008] The bottom ends of the two car columns are respectively inserted into the left and right ends of the U-shaped groove of the lower beam, and the lower beam bottom wall is provided with a lower beam avoidance notch for avoiding the car guide rail at the position corresponding to the installation of the car column;

[0009] The front wall and the rear wall of the lower beam are both provided with first connecting bolts for combined connection with the car columns, and both ends of the front folded edge of the lower beam and the rear folded edge of the lower beam are both provided with second connecting bolts for connecting with the bottom of the lower chassis.

[0010] In the utility model, the lower chassis includes two chassis side beams arranged opposite to each other on the left and right, and two chassis bottom beams arranged opposite to each other on the front and back. The left and right ends of the two chassis bottom beams are respectively connected to the bottoms of the two chassis side beams by welding. The chassis accommodating groove is formed between the two chassis bottom beams. The two ends of the front folded edge of the lower beam and the rear folded edge of the lower beam are respectively connected to the bottoms of the two chassis side beams by second connecting bolts.

[0011] In the utility model, it also includes an elevator car, the upper beam, the lower beam and the two car columns are combined to form a frame structure, and the elevator car is arranged in the frame structure; the elevator car includes an upper chassis located above the lower chassis, a car wall assembly arranged on the upper chassis, a car roof assembly arranged at the upper end of the car wall assembly, and a decorative floor arranged on the top surface of the upper chassis, and a buffer rubber module for buffering and shock absorption is provided between the upper chassis and the lower chassis, and the upper and lower ends of the buffer rubber module are respectively connected to the upper chassis and the lower chassis.

[0012] In the utility model, the upper chassis includes a car floor, a rear frame arranged at the rear end of the car floor, and two side frames respectively arranged at the left and right ends of the bottom of the car floor. The front end of the car floor is bent downward to have a car floor reinforcement folding edge.

[0013] In the utility model, two side frames, a rear frame and a reinforced folded edge of the car floor are enclosed to form a reinforced space, in which a plurality of bottom plate reinforcing ribs arranged from front to back are provided, the top of the bottom plate reinforcing ribs are connected to the car floor, and the left and right ends of the bottom plate reinforcing ribs are respectively fixedly connected to the two side frames.

[0014] In the utility model, four buffer rubber modules are provided, and the four buffer rubber modules are distributed at the bottom of the four corners of the upper chassis.

[0015] In the utility model, chassis connecting seats are provided on both the front and rear sides of the car column, one end of the chassis connecting seat is connected to the column side wall of the car column by a first column bolt, and the other end is connected to the chassis side beam of the lower chassis by a second column bolt.

[0016] In the utility model, the car column includes a column main board, and the front and rear ends of the column main board are bent in the direction away from the elevator car to form a column side wall. The side of the column main board facing away from the elevator car is enclosed by the two column side walls to form a column avoidance groove for inserting the car guide rail.

[0017] In the utility model, a guide shoe mounting plate and a safety clamp mounting plate located in the column avoidance groove are provided on the column main board.

[0018] Beneficial effects of the utility model: the lower beam of the utility model includes a lower beam front wall, a lower beam rear wall, a lower beam front folding edge and a lower beam rear folding edge, wherein the lower beam front wall and the lower beam rear wall are respectively connected to the front and rear sides of the car column by a first connecting bolt, so that the lower beam front wall and the lower beam rear wall provide strong support for the car column; and the lower beam front folding edge and the lower beam rear folding edge are respectively connected to the bottom of the lower chassis by a second connecting bolt, so that the lower beam front folding edge and the lower beam rear folding edge provide support for the lower chassis to ensure the structural stability of the car frame. The above structure can simultaneously support and connect the front and rear sides of the car column and the two ends of the lower chassis through the lower beam body. The support structure is simple, which can effectively simplify the structure of the elevator, reduce the trouble of assembling and connecting the lower beam body with other elevator components, and achieve the purpose of improving the assembly efficiency of the elevator. In addition, the lower beam bottom wall, the lower beam front wall, the lower beam rear wall, the lower beam front folding edge and the lower beam rear folding edge of the lower beam body are designed by bending and forming in one piece by sheet metal technology, and the structural stability of each part of the lower beam body is good, and the support is more stable. Moreover, the lower end of the car column is inserted into the U-shaped groove of the lower beam, so that the bottom wall of the lower beam is horizontal to the bottom of the car column, which can provide strong support for the lower chassis and the car column, thereby further ensuring the structural stability of the car frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0020] Figure 1 It is a left side view of this embodiment;

[0021] Figure 2 It is a schematic diagram of the combination between the lower beam body, the lower chassis and the column body;

[0022] Figure 3 is a top view of this embodiment;

[0023] Figure 4 is a top view of the lower beam;

[0024] Figure 5 It is the left view of the lower beam;

[0025] Figure 6 It is a top view of the lower chassis;

[0026] Figure 7 This is a bottom view of the upper chassis;

[0027] Figure 8 is a cross-sectional view of the upper chassis;

[0028] Fig. 9 It is a schematic diagram of the structure of the column. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.

[0030] In the description of the present invention, it should be noted that if there are terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", "left", "right", etc., they 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, if there are terms such as "first", "second", etc., they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present invention, unless otherwise clearly defined, the terms "installation", "connection", "connection" and "connector" 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 an indirect connection 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 in combination with specific circumstances. Example

[0032] Reference Figure 1-9A shallow pit compact villa elevator comprises a hoistway, a car guide rail and a counterweight guide rail arranged in the hoistway, a car device guided and connected to the car guide rail, a counterweight device 10 guided and connected to the counterweight guide rail, and a traction main machine 20 for driving the car device and the counterweight device 10 to run through a steel wire rope 30, and a pit is arranged at the bottom of the hoistway. The car device comprises a car frame, an elevator car arranged on the car frame, and the car frame comprises an upper beam body 1, a lower beam body 2, a lower chassis 3, and two car columns 4, and the two ends of the upper beam body 1 are respectively connected to the tops of the two car columns 4; a chassis receiving groove 31 is arranged at the bottom of the lower chassis 3, and at least a part of the lower beam body 2 extends into the chassis receiving groove 31, so that the length of the lower beam body 2 protruding downward is small, or even no protrusion is arranged, so as to reduce the occupation of the pit space by the excessive protrusion of the lower beam body 2, so that the utility model is particularly suitable for the installation environment of a shallow pit.

[0033] Further, the lower beam body 2 includes a lower beam bottom wall 21, a lower beam front wall 22 formed by bending upward from the front end of the lower beam bottom wall 21, a lower beam rear wall 23 formed by bending upward from the rear end of the lower beam bottom wall 21, a lower beam front folded edge 24 formed by bending forward from the upper end of the lower beam front wall 22, and a lower beam rear folded edge 25 formed by bending backward from the upper end of the lower beam rear wall 23. The lower beam bottom wall 21, the lower beam front wall 22 and the lower beam rear wall 23 enclose a lower beam U-shaped groove 26 with the notch facing upward. The bottom ends of the two car columns 4 are respectively inserted into the left and right ends of the U-shaped groove 26 of the lower beam, and the lower beam bottom wall 21 is provided with a lower beam avoidance notch 27 for avoiding the car guide rail at the position corresponding to the installation of the car column 4; the lower beam front wall 22 and the lower beam rear wall 23 are both provided with a first connecting bolt for combined connection with the car column 4, and the two ends of the lower beam front folded edge 24 and the lower beam rear folded edge 25 are both provided with a second connecting bolt for connecting with the bottom of the lower chassis 3.

[0034] The lower beam body 2 of the utility model comprises a lower beam front wall 22, a lower beam rear wall 23, a lower beam front folded edge 24 and a lower beam rear folded edge 25, wherein the lower beam front wall 22 and the lower beam rear wall 23 are respectively combined and connected with the front and rear sides of the car column 4 by means of first connecting bolts, so that the lower beam front wall 22 and the lower beam rear wall 23 provide strong support for the car column 4; and the lower beam front folded edge 24 and the lower beam rear folded edge 25 are respectively combined and connected with the bottom of the lower chassis 3 by means of second connecting bolts, so that the lower beam front folded edge 24 and the lower beam rear folded edge 25 provide support for the lower chassis 3 to ensure the structural stability of the car frame. The above structure can simultaneously support the front and rear sides of the car column 4 and the two ends of the lower chassis 3 through the lower beam body 2, the supporting structure is simple, the structure of the elevator can be effectively simplified, the trouble of assembling and connecting the lower beam body 2 with other elevator components is reduced, and the purpose of improving the assembly efficiency of the elevator is achieved. In addition, the lower beam bottom wall 21, the lower beam front wall 22, the lower beam rear wall 23, the lower beam front fold 24, and the lower beam rear fold 25 of the lower beam body 2 are designed by bending the sheet metal process in an integrated manner, and the structural stability of each part of the lower beam body 2 is good, and the support is more stable. Moreover, the lower end of the car column 4 is inserted into the lower beam U-shaped groove 26, so that the lower beam bottom wall 21 is horizontal at the bottom of the car column 4, which can provide strong support for the lower chassis 3 and the car column 4, thereby further ensuring the structural stability of the car frame.

[0035] As a preferred embodiment, the lower chassis 3 includes two chassis side beams 32 arranged opposite to each other on the left and right, and two chassis bottom beams 33 arranged opposite to each other on the front and rear. The left and right ends of the two chassis bottom beams 33 are respectively connected to the bottom of the two chassis side beams 32 by welding. The chassis accommodating groove 31 is formed between the two chassis bottom beams 33. The two ends of the lower beam front folding edge 24 and the lower beam rear folding edge 25 are respectively connected to the bottom of the two chassis side beams 32 by second connecting bolts, thereby realizing the combined connection between the lower beam front folding edge 24 and the lower beam rear folding edge 25 and the lower chassis 3.

[0036] As a preferred embodiment, the upper beam 1, the lower beam 2 and the two car columns 4 are combined to form a square frame structure, and the elevator car is arranged in the square frame structure; the elevator car includes an upper chassis 5 located above the lower chassis 3, a car wall assembly 6 arranged on the upper chassis 5, a car roof assembly 7 arranged at the upper end of the car wall assembly 6, and a decorative floor 8 arranged on the top surface of the upper chassis 5, and a buffer rubber module 9 for buffering and shock absorption is provided between the upper chassis 5 and the lower chassis 3, and the upper and lower ends of the buffer rubber module 9 are respectively connected to the upper chassis 5 and the lower chassis 3, and the provision of the buffer rubber module 9 can reduce the vibration of the elevator car during the operation of the elevator. The decorative floor 8 is a marble slab, which can improve the decorative effect of the interior of the elevator car.

[0037] As a preferred embodiment, the upper chassis 5 includes a car floor plate 51, a rear frame 52 arranged at the rear end of the car floor plate 51, and two side frames 53 respectively arranged at the left and right ends of the bottom of the car floor plate 51. The front end of the car floor plate 51 is bent downward to have a car floor reinforcement folded edge 511, and the car floor reinforcement folded edge 511 is used to improve the structural strength of the car floor plate 51.

[0038] As a preferred embodiment, the two side frames 53 and the rear frame 52 are connected to the car floor 51 by welding or bolting. The two side frames 53, the rear frame 52 and the car floor reinforcement fold 511 enclose a reinforced space. A plurality of bottom plate reinforcement ribs 54 arranged from front to back are provided in the reinforced space. The top of the bottom plate reinforcement rib 54 is connected to the car floor 51, and the left and right ends of the bottom plate reinforcement rib 54 are fixedly connected to the two side frames 53 respectively. The bottom plate reinforcement rib 54 can be used to effectively improve the structural strength of the upper chassis 5 and ensure the structural stability of the upper chassis 5.

[0039] As a preferred embodiment, four buffer rubber modules 9 are provided, and the four buffer rubber modules 9 are distributed at the bottom of the four corners of the upper chassis 5. The buffer rubber module 9 includes a buffer rubber block, an upper connecting plate fixed to the upper end of the buffer rubber block, and a lower connecting plate fixed to the lower end of the buffer rubber block. The upper connecting plate is connected to the bottom of the side frame 53 with an upper locking bolt, and the lower connecting plate is connected to the chassis side beam 32 with a lower locking bolt. In this way, the buffer rubber block can be supported between the upper chassis 5 and the lower chassis 3 for buffering and shock absorption, thereby ensuring the comfort of passengers when the elevator is running.

[0040] As a preferred embodiment, in order to improve the installation stability of the lower chassis 3, chassis connecting seats 100 are provided on the front and rear sides of the car column 4, one end of the chassis connecting seat 100 is connected to the column side wall 42 of the car column 4 by a first column bolt, and the other end is connected to the chassis side beam 32 of the lower chassis 3 by a second column bolt.

[0041] As a preferred embodiment, the car column 4 includes a column main board 41, and column side walls 42 are formed by bending the front and rear ends of the column main board 41 in a direction away from the elevator car. The side of the column main board 41 facing away from the elevator car and the two column side walls 42 are enclosed to form a column avoidance groove 43 for inserting the car guide rail. The car guide rail can cooperate with the elevator guide shoe and the elevator safety clamp in the column avoidance groove 43.

[0042] As a preferred embodiment, the column main board 41 is provided with a guide shoe mounting plate 45 and a safety clamp mounting plate 46 located in the column avoidance groove 43, and the guide shoe mounting plate 45 and the safety clamp mounting plate 46 are connected to the column main board 41 by welding, wherein the elevator guide shoe is installed on the guide shoe mounting plate 45, and the elevator safety clamp is installed on the safety clamp mounting plate 46. Through this structural design, the elevator safety clamp and the elevator guide shoe can be installed in the column avoidance groove 43, thereby saving space in the hoistway and the pit.

[0043] As a preferred embodiment, a car return pulley device is provided at the bottom of the upper beam body 1, and the car top return pulley device includes a return pulley seat 11 and two car top return pulleys 12, the return pulley seat 11 is installed at the bottom of the upper beam body 1, the return pulley seat 11 and the upper beam body 1 are cross-arranged, and the two car top return pulleys 12 are respectively located at the front and rear ends of the return pulley seat 11, the counterweight device 10 is located behind the car device, and a counterweight return pulley 101 is provided on the upper part of the counterweight device 10, and the traction main machine 20 is installed on the load-bearing beam inside the hoistway, one end of the wire rope 30 is connected to the hoistway by a first rope head fixing device, and the other end is successively wound around the two car top return pulleys 12 and then wound upward around the traction wheel of the traction main machine 20, and then wound downward around the counterweight return pulley 101, then changed direction and extended and fixed to the hoistway through the second rope head fixing device, thereby realizing the winding of the wire rope 30.

[0044] The above description is only a preferred embodiment of the present invention. Any technical solution that achieves the purpose of the present invention by substantially the same means shall fall within the protection scope of the present invention.

Claims

1. A shallow pit compact villa elevator, comprising a car device, the car device comprising a car frame, the car frame comprising an upper beam (1), a lower beam (2), a lower chassis (3), and two car columns (4), the two ends of the upper beam (1) are respectively connected to the tops of the two car columns (4); the bottom of the lower chassis (3) is provided with a chassis receiving groove (31), and at least a part of the lower beam (2) extends into the chassis receiving groove (31); the characteristics are: The lower beam body (2) comprises a lower beam bottom wall (21), a lower beam front wall (22) formed by bending upward from the front end of the lower beam bottom wall (21), a lower beam rear wall (23) formed by bending upward from the rear end of the lower beam bottom wall (21), a lower beam front folded edge (24) formed by bending forward from the upper end of the lower beam front wall (22), and a lower beam rear folded edge (25) formed by bending backward from the upper end of the lower beam rear wall (23), wherein the lower beam bottom wall (21), the lower beam front wall (22) and the lower beam rear wall (23) together form a lower beam U-shaped groove (26) with the groove opening facing upward; The bottom ends of the two car columns (4) are respectively inserted into the left and right ends of the lower beam U-shaped groove (26), and the lower beam bottom wall (21) is provided with a lower beam avoidance notch (27) for avoiding the car guide rail at a position corresponding to the installation position of the car column (4); The lower beam front wall (22) and the lower beam rear wall (23) are both provided with first connecting bolts for combined connection with the car column (4), and both ends of the lower beam front folded edge (24) and the lower beam rear folded edge (25) are both provided with second connecting bolts for connection with the bottom of the lower chassis (3).

2. A shallow pit compact villa elevator according to claim 1, characterized in that: The lower chassis (3) comprises two chassis side beams (32) arranged opposite to each other in left and right directions, and two chassis bottom beams (33) arranged opposite to each other in front and back directions. The left and right ends of the two chassis bottom beams (33) are respectively connected to the bottoms of the two chassis side beams (32) by welding. The chassis receiving groove (31) is formed between the two chassis bottom beams (33). Both ends of the lower beam front folded edge (24) and the lower beam rear folded edge (25) are respectively connected to the bottoms of the two chassis side beams (32) by second connecting bolts.

3. A shallow pit compact villa elevator according to claim 1, characterized in that: The invention also comprises an elevator car, wherein the upper beam body (1), the lower beam body (2) and the two car columns (4) are combined to form a square frame structure, and the elevator car is arranged in the square frame structure; the elevator car comprises an upper chassis (5) located above the lower chassis (3), a car wall assembly (6) arranged on the upper chassis (5), a car roof assembly (7) arranged at the upper end of the car wall assembly (6), and a decorative floor (8) arranged on the top surface of the upper chassis (5); a buffer rubber module (9) for buffering and shock absorption is arranged between the upper chassis (5) and the lower chassis (3); and the upper and lower ends of the buffer rubber module (9) are respectively connected to the upper chassis (5) and the lower chassis (3).

4. A shallow pit compact villa elevator according to claim 3, characterized in that: The upper chassis (5) comprises a car floor plate (51), a rear frame (52) arranged at the rear end of the car floor plate (51), and two side frames (53) respectively arranged at the left and right ends of the bottom of the car floor plate (51). The front end of the car floor plate (51) is bent downward to form a car floor reinforcement folding edge (511).

5. A shallow pit compact villa elevator according to claim 4, characterized in that: The two side frames (53), the rear frame (52) and the car floor reinforcement fold (511) enclose a reinforcement space, and a plurality of bottom plate reinforcement ribs (54) arranged from front to back are provided in the reinforcement space, the top of the bottom plate reinforcement rib (54) is connected to the car floor (51), and the left and right ends of the bottom plate reinforcement rib (54) are respectively fixedly connected to the two side frames (53).

6. A shallow pit compact villa elevator according to claim 3, characterized in that: Four buffer rubber modules (9) are provided, and the four buffer rubber modules (9) are distributed at the bottom of the four corners of the upper chassis (5).

7. A shallow pit compact villa elevator according to claim 1, characterized in that: A chassis connection seat (100) is provided on both the front and rear sides of the car column (4); one end of the chassis connection seat (100) is connected to the column side wall (42) of the car column (4) by a first column bolt, and the other end is connected to the chassis side beam (32) of the lower chassis (3) by a second column bolt.

8. The shallow pit compact villa elevator according to claim 1, characterized in that: The car column (4) comprises a column main plate (41), and column side walls (42) formed by bending the front and rear ends of the column main plate (41) in a direction away from the elevator car, and a side of the column main plate (41) facing away from the elevator car is enclosed by the two column side walls (42) to form a column avoidance groove (43) for inserting a car guide rail.

9. A shallow pit compact villa elevator according to claim 8, characterized in that: The column main plate (41) is provided with a guide shoe mounting plate (45) and a safety clamp mounting plate (46) located in the column avoidance groove (43).

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