CN221165521U

CN221165521U - Freight elevator car

Info

Publication number: CN221165521U
Application number: CN202322647526.6U
Authority: CN
Inventors: 姚刚; 邵克隆; 相亮
Original assignee: Delfar Elevator Co ltd
Current assignee: Delfar Elevator Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-06-18
Anticipated expiration: 2033-09-27

Abstract

The utility model provides a freight elevator car which comprises a car body, wherein a first supporting plate is arranged at the bottom of the inner side of the car body, a second supporting plate is arranged above the first supporting plate, two opposite lifting components for driving the second supporting plate to lift are arranged between the first supporting plate and the second supporting plate, a placing plate is arranged above the second supporting plate, a driving component for driving the placing plate to horizontally move is arranged between the second supporting plate and the placing plate in an opposite mode, and a car door is arranged on the side wall of the car body and in the direction of horizontally moving the placing plate. The utility model has the advantage of being convenient for placing goods into the elevator.

Description

Freight elevator car

Technical Field

The utility model relates to the technical field of elevator car design, in particular to a freight elevator car.

Background

An elevator is a vertical transport device for transporting passengers or goods between different floors within a building or between buildings. It consists of one or more electric driving mechanisms, a car, a guide rail system, a control system and a safety device. An elevator car is an important component of an elevator for transporting passengers or goods to and from floors. It is a closed box.

The invention patent disclosure of the high bearing elevator for transporting goods in the prior art, such as the publication number CN114455433A, is named as, comprising an elevator body, wherein a driving motor is fixedly arranged on the upper surface of the elevator body, the output end of the driving motor is fixedly connected with a rotating rod through a coupler, one end of the rotating rod stretches into the elevator body, a driving gear is fixedly sleeved on the outer surface of the rotating rod, a sliding groove is formed in the inner wall of the elevator body, a threaded rod is rotatably connected between the upper inner wall and the lower inner wall of the elevator body, a driven gear is fixedly sleeved on the outer surface of the threaded rod, the driving gear is in meshed connection with the driven gear, a pressing plate is in threaded connection with the outer surface of the threaded rod, and one end of the pressing plate stretches out of the sliding groove and is in sliding connection with the sliding groove.

When the elevator car is in actual use, when some large-size cargoes need to be carried into the elevator, the cargoes can be limited by the elevator door and the inner space of the elevator car, so that workers are difficult to conveniently move the cargoes into the elevator car.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model provides a freight elevator car which is used for solving the technical problem that the conventional transportation elevator is difficult to move cargoes into the car conveniently and fast.

The technical aim of the utility model is realized by the following technical scheme:

The utility model provides a freight elevator car, includes the car body, car body inboard bottom is equipped with first backup pad, first backup pad top is equipped with the second backup pad, be equipped with two relative lifting unit who just is used for driving the second backup pad to go up and down between first backup pad and the second backup pad, second backup pad top is equipped with places the board, the relative drive assembly who is used for the drive to place board horizontal migration that is equipped with between the board is placed to the second backup pad, be equipped with the car door on the lateral wall of car body and in the direction of placing board horizontal migration.

Working principle:

The utility model relates to a freight elevator car which is mainly used for transporting passengers or cargoes to and from floors.

When the elevator door and the car door are opened, the lifting assembly between the first supporting plate and the second supporting plate is driven, the second supporting plate is lifted in the car body through the lifting assembly, and the preventing plate on the second supporting plate is driven to be lifted together.

When the placing plate is lifted to extend out of the car door, the operation driving assembly drives the placing plate on the second supporting plate to extend out of the car body, and after a certain distance is extended, a worker can place cargoes on the placing plate.

And finally, the driving assembly is operated again to drive the placing plate and the goods to move into the car body, and finally, the second supporting plate is lowered, so that workers can enter the car together.

The beneficial effects are obtained:

First, be equipped with lifting unit, can effectually drive the second backup pad through lifting unit and to keeping away from the vertical rising of direction of first backup pad, make things convenient for follow-up board of placing can stretch out the car body.

Second, be equipped with drive assembly, can effectually place the board through drive assembly drive and slide in second backup pad top to outside the car door the level, make things convenient for the staff to place the goods on placing the board through convenient, and place the board and place the goods on placing the board through drive assembly's drive and get into the car body.

Drawings

FIG. 1 is a schematic cross-sectional view of a structure according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of the overall structure of the lift assembly and drive assembly;

Fig. 3 is a schematic diagram of a connection structure of a driving rod and a threaded rod.

In the above figures: 1. a car body; 2. a first support plate; 3. a second support plate; 4. placing a plate; 5. a car door; 6. a first lifting hole; 7. a second lifting hole; 8. a first link; 9. a second link; 10. an oil cylinder; 11. a first chute; 12. a first slider; 13. a first connecting rod; 14. a second chute; 15. a second slider; 16. a second connecting rod; 17. a fixed rod; 18. a mounting rod; 19. a limiting plate; 20. a threaded rod; 21. connecting sleeves; 22. a limiting hole; 23. a driving motor; 24. a driving rod; 25. a first bevel gear; 26. a second bevel gear; 27. a first sprocket; 28. a second sprocket; 29. a chain; 30. a protective cover; 31. and a fixed block.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

Examples:

Referring to fig. 1 and 2, the utility model relates to a freight elevator car, which comprises a car body 1, wherein a first supporting plate 2 is arranged at the bottom of the inner side of the car body 1, a second supporting plate 3 is arranged above the first supporting plate 2, a first lifting hole 6 is arranged on the first supporting plate 2, a second lifting hole 7 corresponding to the first lifting hole 6 is arranged on the second supporting plate 3, two opposite lifting components for driving the second supporting plate 3 to lift are arranged between the first supporting plate 2 and the second supporting plate 3, the lifting components comprise a first connecting rod 8, a second connecting rod 9 and an oil cylinder 10, the central points of the first connecting rod 8 and the second connecting rod 9 are rotationally connected through a bearing, and wear to be equipped with a horizontally dead lever 17 in the bearing department, the other end of dead lever 17 rotates and wears to establish in the junction of another first connecting rod 8 and second connecting rod 9 central point, sets up like this and can effectually promote holistic stability. One end of the first connecting rod 8 is hinged with the side wall of the first lifting hole 6, the hinge mode can be that a rotating shaft is arranged on the side wall of the first lifting hole 6, a sliding hole is formed in the end portion of the first connecting rod 8, and the sliding hole is sleeved on the rotating shaft in a sliding mode to rotate. The other end is horizontally and slidably connected with the side wall of the second lifting hole 7, the connecting mode can be that two opposite second sliding grooves 14 are formed in the side wall of the second lifting hole 7, second sliding blocks 15 are respectively and slidably arranged in the two second sliding grooves 14, a horizontal second connecting rod 16 is fixedly arranged between the two second sliding blocks 15, and the two first connecting rods 8 are respectively and rotatably connected with the side wall of the second connecting rod 16 through bearings. One end of the second connecting rod 9 is hinged with the side wall of the second lifting hole 7, the hinge mode can be that a rotating shaft is arranged on the side wall of the second lifting hole 7, a sliding hole is formed in the end portion of the first connecting rod 8, and the sliding hole is sleeved on the rotating shaft in a sliding mode to rotate. The other end is horizontally and slidably connected with the side wall of the first lifting hole 6, the connecting mode can be that two opposite first sliding grooves 11 are formed in the side wall of the first lifting hole 6, first sliding blocks 12 are respectively and slidably arranged in the two first sliding grooves 11, a horizontal first connecting rod 13 is fixedly arranged between the two first sliding blocks 12, and the two second connecting rods 9 are respectively and rotatably connected with the side wall of the first connecting rod 13 through bearings. The first lifting hole 6 is internally provided with a fixed block 31, the bottom of the oil cylinder 10 is hinged with the fixed block 31, the hinging mode can be that a rotating shaft is arranged on the side wall on the fixed block 31, a sliding hole is formed in the bottom of the oil cylinder 10, the sliding hole at the bottom of the oil cylinder 10 is sleeved on the rotating shaft in a sliding manner and rotates, a mounting rod 18 is fixedly arranged between the two first connecting rods 8, the telescopic ends of the two oil cylinders 10, which are respectively far away from the end parts of the fixed block 31, are respectively hinged with the side wall of the mounting rod 18, and the hinging mode is the same as that of the fixed block 31. By extending and contracting the cylinder 10, the first link 8 rotates around the joint with the second link 9 and drives the second link 9 to rotate, the end of the first link 8 in the second lifting hole 7 slides, and the end of the second link 9 in the first lifting hole 6 slides, so that the angle between the first link 8 and the second link 9 is gradually increased due to rotation, and the second support plate 3 is driven to lift or descend.

As shown in fig. 2 and fig. 3, the placing plate 4 is disposed above the second supporting plate 3, a driving assembly for driving the placing plate 4 to horizontally move is disposed between the second supporting plate 3 and the placing plate 4, the driving assembly includes a limiting plate 19, two threaded rods 20 and two connecting sleeves 21, the limiting plate 19 is fixedly mounted on the second supporting plate 3, a limiting hole 22 communicated with the second lifting hole 7 is formed in the limiting plate 19, the two threaded rods 20 are horizontally and rotatably mounted between side walls of the limiting hole 22, two threaded sleeves 21 are respectively sleeved on the two threaded rods 20 in a one-to-one correspondence manner, and the tops of the two connecting sleeves 21 are fixedly connected with the bottom of the placing plate 4. The second lifting hole 7 is internally provided with a driving motor 23, a driving rod 24 is horizontally arranged between the two threaded rods 20, two ends of the driving rod 24 are respectively fixedly provided with a first bevel gear 25, two threaded rods 20 are respectively provided with a second bevel gear 26 meshed with the first bevel gear 25, the output end of the driving motor 23 is fixedly sleeved with a first sprocket 27, the upper fixed sleeve of the driving rod 24 is provided with a second sprocket 28, and a chain 29 is sleeved between the first sprocket 27 and the second sprocket 28. Two protection covers 30 are arranged in the limit hole 22, and the two protection covers 30 cover the joints of the two ends of the driving rod 24 and the threaded rod 20. The arrangement can drive the first sprocket 27 installed on the output end of the driving motor 23 through the driving motor 23 to drive the second sprocket 28 and the driving rod 24 to rotate through the chain 29, when the driving rod 24 rotates, the first bevel gears 25 at the two ends can drive the second bevel gears 26 on the two threaded rods 20 to rotate respectively, and simultaneously drive the threaded rods 20 to rotate, at this time, the rotation of the threaded rods 20 can drive the connecting sleeve 21 at the bottom of the placing plate 4 to move, and drive the placing plate 4 to move on the limiting plate 19, and the rotation directions of the two threaded rods 20 are the same. A car door 5 is provided on a side wall of the car body 1 in a direction in which the placement plate 4 horizontally moves.

Working principle:

When the elevator door and the car door 5 are opened firstly, the oil cylinder 10 is driven to stretch and retract, the first connecting rod 8 rotates by taking the joint of the first connecting rod 8 and the second connecting rod 9 as an axle center and drives the second connecting rod 9 to rotate, the end part of the first connecting rod 8 in the second lifting hole 7 slides, the end part of the second connecting rod 9 in the first lifting hole 6 also slides at the same time, and the first connecting rod 8 and the second connecting rod 9 drive the second supporting plate 3 to lift because of the enlarged rotation angle. When the placement plate 4 is lifted to extend out of the car door 5, the driving motor 23 is operated to drive the first sprocket 27 mounted on the output end of the driving motor 23 to rotate, the second sprocket 28 and the driving rod 24 are driven to rotate through the chain 29, when the driving rod 24 rotates, the first bevel gears 25 at two ends respectively drive the second bevel gears 26 on the two threaded rods 20 to rotate, and simultaneously drive the threaded rods 20 to rotate, at the moment, the rotation of the threaded rods 20 drives the connecting sleeve 21 at the bottom of the placement plate 4 to move, and drives the placement plate 4 to move on the limiting plate 19, and after the placement plate 4 extends out of a certain distance, a worker can place cargoes on the placement plate 4. Finally, the driving motor 23 is operated again to drive the placing plate 4 and the cargoes to move into the car body 1, and finally the second supporting plate 3 is lowered, so that workers can enter the car body 1 together.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. Freight elevator car, comprising a car body (1), characterized in that: the elevator car comprises a car body (1), wherein a first supporting plate (2) is arranged at the bottom of the inner side of the car body (1), a second supporting plate (3) is arranged above the first supporting plate (2), two lifting components which are opposite to each other and used for driving the second supporting plate (3) to lift are arranged between the first supporting plate (2) and the second supporting plate (3), a placing plate (4) is arranged above the second supporting plate (3), a driving component used for driving the placing plate (4) to horizontally move is arranged between the second supporting plate (3) and the placing plate (4), and a car door (5) is arranged on the side wall of the car body (1) and in the direction of the placing plate (4) to horizontally move.

2. A freight elevator car according to claim 1, characterized in that: the first support plate (2) is provided with a first lifting hole (6), and the second support plate (3) is provided with a second lifting hole (7) corresponding to the first lifting hole (6).

3. A freight elevator car according to claim 2, characterized in that: the lifting assembly comprises a first connecting rod (8), a second connecting rod (9) and an oil cylinder (10), wherein the first connecting rod (8) is rotationally connected with the center point of the second connecting rod (9), one end of the first connecting rod (8) is hinged to the side wall of the first lifting hole (6), the other end of the first connecting rod is horizontally and slidably connected with the side wall of the second lifting hole (7), one end of the second connecting rod (9) is hinged to the side wall of the second lifting hole (7), the other end of the second connecting rod is horizontally and slidably connected with the side wall of the first lifting hole (6), a fixed block (31) is arranged in the first lifting hole (6), the bottom of the oil cylinder (10) is hinged to the fixed block (31), and the telescopic end of the oil cylinder (10) is hinged to the side wall of the first connecting rod (8).

4. A freight elevator car according to claim 3, characterized in that: two opposite first sliding grooves (11) are formed in the side wall of the first lifting hole (6), first sliding blocks (12) are respectively arranged in the first sliding grooves (11) in a sliding mode, horizontal first connecting rods (13) are fixedly arranged between the two first sliding blocks (12), and the two second connecting rods (9) are respectively connected with the side walls of the first connecting rods (13) in a rotating mode.

5. A freight elevator car according to claim 3, characterized in that: two opposite second sliding grooves (14) are formed in the side wall of the second lifting hole (7), second sliding blocks (15) are respectively arranged in the second sliding grooves (14) in a sliding mode, a horizontal second connecting rod (16) is fixedly arranged between the two second sliding blocks (15), and the two first connecting rods (8) are respectively connected with the side wall of the second connecting rod (16) in a rotating mode.

6. A freight elevator car according to claim 3, characterized in that: one of the connecting points of the first connecting rod (8) and the second connecting rod (9) is rotatably provided with a fixing rod (17), and the other end of the fixing rod (17) is rotatably provided with the connecting point of the other connecting rod (8) and the second connecting rod (9).

7. A freight elevator car according to claim 3, characterized in that: an installation rod (18) is fixedly arranged between the two first connecting rods (8), and the telescopic ends of the two oil cylinders (10) are respectively hinged with the side walls of the installation rod (18).

8. A freight elevator car according to claim 2, characterized in that: the driving assembly comprises a limiting plate (19), two threaded rods (20) and two connecting sleeves (21), wherein the limiting plate (19) is fixedly installed on a second supporting plate (3), limiting holes (22) communicated with second lifting holes (7) are formed in the limiting plate (19), the threaded rods (20) are horizontally and rotatably installed between the side walls of the limiting holes (22), the two connecting sleeves (21) are correspondingly sleeved on the threaded rods (20) in a threaded mode, and the tops of the connecting sleeves (21) are fixedly connected with the bottoms of the placing plates (4).

9. A freight elevator car according to claim 8, characterized in that: be equipped with driving motor (23) in second lifting hole (7), two the level is equipped with actuating lever (24) between threaded rod (20), the both ends of actuating lever (24) are fixed respectively and are equipped with first bevel gear (25), two be equipped with respectively on threaded rod (20) with first bevel gear (25) engaged second bevel gear (26), be equipped with fixed cover on the output of driving motor (23) and be equipped with first sprocket (27), the last fixed cover of actuating lever (24) is equipped with second sprocket (28), the cover is equipped with chain (29) between first sprocket (27) and second sprocket (28).

10. A freight elevator car according to claim 9, characterized in that: two protection covers (30) are arranged in the limiting hole (22), and the two protection covers (30) are respectively used for covering the joints of the two ends of the driving rod (24) and the threaded rod (20).