CN220642171U

CN220642171U - Lifting machine

Info

Publication number: CN220642171U
Application number: CN202321466204.5U
Authority: CN
Inventors: 沈超杰; 冯晓锋; 简明桃; 徐水根; 桑宏宇; 曹骥; 曹政
Original assignee: Zhejiang Hangke Technology Co Ltd
Current assignee: Zhejiang Hangke Technology Co Ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-03-22
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses an elevator, which comprises a supporting outer frame, a driving mechanism and a lifting mechanism, wherein the supporting outer frame is provided with a lifting mechanism; the support outer frame is a three-dimensional frame formed by stacking a plurality of subframes from bottom to top in sequence, and adjacent subframes are fixed; the driving mechanism comprises a driving motor, a first driving sprocket, a second driving sprocket and a weight box, wherein the first driving sprocket is rotatably arranged on an output shaft of the driving motor, and the second driving sprocket is rotatably arranged in the topmost subframe; the first end of the driving chain is connected to the weight box, and the second end of the driving chain sequentially bypasses the second driving chain wheel and the first driving chain wheel and then is connected to the weight box; the lifting mechanism comprises a lifting car and a lifting chain wheel, and the lifting car is arranged in the supporting outer frame in a sliding manner; the lifting chain wheel is rotatably arranged in the subframe at the topmost layer; the first end of the lifting chain is connected to the weight box, and the second end of the lifting chain bypasses the lifting chain wheel and then is connected with the lifting car. The beneficial effects of the utility model are as follows: simple structure and stable operation.

Description

Lifting machine

Technical Field

The present utility model relates to an elevator.

Background

The elevator is a mechanical device for vertically conveying objects, can be used for overhauling and maintaining large-scale equipment, and has chain type lifting, oil cylinder driving lifting and other structures. The chain type elevator generally adopts a lifting motor to realize a lifting function in cooperation with chain transmission, a shaft coupling mode is adopted between the lifting motor and a transmission sprocket for transmission, but the lifting car easily shakes in the lifting process, so that parts are seriously worn, and the safety and the service life of the lifting car are influenced.

Disclosure of Invention

In order to ensure the stable operation of the elevator in the moving process, the utility model provides the elevator which has simple structure, stable operation and prolonged service life.

Aiming at the problems, the utility model adopts the following technical scheme:

an elevator, characterized in that: comprises a supporting outer frame, a driving mechanism and a lifting mechanism, wherein the driving mechanism and the lifting mechanism are arranged on the supporting outer frame;

the support outer frame is a three-dimensional frame formed by stacking a plurality of subframes from bottom to top in sequence, and adjacent subframes are fixed through connecting pieces;

the driving mechanism comprises a driving motor, a first driving sprocket, a second driving sprocket and a weight box, wherein the driving motor is arranged in the subframe at the bottommost layer, the first driving sprocket is rotatably arranged on an output shaft of the driving motor, and the second driving sprocket is rotatably arranged in the subframe at the topmost layer; the weight box is arranged on one side of the supporting outer frame; the first end of the driving chain is connected to the weight box, and the second end of the driving chain sequentially bypasses the second driving chain wheel and the first driving chain wheel and then is connected to the weight box to form a closed loop;

the lifting mechanism comprises a lifting car, a lifting chain wheel and a lifting chain, wherein the lifting car is arranged in the supporting outer frame and is connected with the supporting outer frame in a sliding manner; the lifting chain wheel is rotatably arranged in the top-most subframe; the first end of the lifting chain is connected to the weight box, and the second end of the lifting chain bypasses the lifting chain wheel and is connected to the top of the lifting car.

Further, a plurality of vertical guide rails are arranged in the support outer frame, and the upper end of each vertical guide rail extends to the subframe at the uppermost layer and the lower end extends to the subframe at the bottommost layer; the vertical guide rail is provided with an axial chute along the length direction of the vertical guide rail.

Further, the axial sliding groove is a T-shaped groove.

Further, the top of the weight box is provided with a plurality of chain adjusting screws, the bottom of the weight box is provided with a chain connecting piece, and the first end of the driving chain and the first end of the lifting chain are respectively connected to the chain adjusting screws of the weight box; the second end of the driving chain is connected to the chain connecting piece.

Further, the top of the lifting car is provided with a balance adjusting mechanism, the balance adjusting mechanism comprises an adjusting bolt and an adjusting nut, the adjusting bolt is arranged on the top plate of the lifting car in a penetrating mode, the top of the adjusting bolt is connected with the second end of the lifting chain, the adjusting nut is sleeved on the part, located below the top plate, of the adjusting bolt, and the adjusting nut is in threaded connection with the adjusting bolt; the side of the lifting lift car facing the vertical guide rail is provided with a roller, and the roller is limited in an axial chute of the vertical guide rail and is in rolling connection with the axial chute.

Further, a tensioning adjusting mechanism is arranged in the subframe at the bottommost layer and used for adjusting the tensioning degree of the driving chain.

Further, the side face of the supporting outer frame is detachably provided with a maintenance rod for clamping the lifting car during maintenance so as to prevent the lifting car from falling off.

The beneficial effects of the utility model are as follows: (1) The supporting outer frame is of a detachable structure, the number of the subframes can be adjusted according to the operation condition of the lifter, and the supporting outer frame is convenient to install and simple to operate; (2) The lifting car can stably and smoothly lift, so that abrasion among parts is avoided; (3) When the elevator is in fault maintenance, the maintenance rod can clamp the lifting car, so that the lifting car is prevented from falling off, and the safety guarantee function is realized.

Drawings

Fig. 1 is a front view of the present utility model.

Fig. 2 is a side view of the present utility model.

Fig. 3 is a top view of the present utility model.

Fig. 4 is an enlarged view at a of fig. 2.

Fig. 5 is a schematic top partial structure of the elevator of the present utility model.

Fig. 6 is a schematic view of a bottom partial structure of the elevator of the present utility model.

Detailed Description

The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The utility model will be described in detail below with reference to the drawings in connection with exemplary embodiments.

An elevator comprises a supporting outer frame 100, a driving mechanism 200 and a lifting mechanism 300 which are arranged on the supporting outer frame 100;

the supporting frame 100 is a three-dimensional frame formed by stacking a plurality of subframes 110 from bottom to top in sequence, and adjacent subframes 110 are fixed by connecting pieces;

the driving mechanism 200 comprises a driving motor 210, a first driving sprocket 230, a second driving sprocket 240 and a weight box 250, wherein the driving motor 210 is arranged in the bottom subframe, the first driving sprocket 230 is rotatably arranged on an output shaft of the driving motor 210, and the second driving sprocket 240 is rotatably arranged in the top subframe; the weight box 250 is disposed at one side of the support frame 100; the first end of the driving chain is connected to the weight box 250, and the second end sequentially bypasses the second driving sprocket 240 and the first driving sprocket 230 and then is connected to the weight box 250 to form a closed loop;

the lifting mechanism 300 comprises a lifting car 310 and a lifting chain wheel 320, wherein the lifting car 310 is arranged in the supporting outer frame 100 and is connected with the supporting outer frame 100 in a sliding manner; the lifting sprocket 320 is rotatably installed in the topmost subframe; the first end of the lift chain is attached to the weight box 250 and the second end is attached to the top of the elevator car 310 after passing up around the lift sprocket 320. When the driving motor 210 is electrified to start moving, the lifting chain drives the lifting car to move up and down in the modularized frame

In some embodiments of the present utility model, the subframes 110 are rectangular, hollow, and can be used for passing the elevator car, the adjacent subframes 110 are fixed by screws, and the height of the whole elevator can be changed by increasing or decreasing the number of stacked subframes 110.

In some embodiments of the present utility model, a plurality of vertical guide rails 120 are symmetrically disposed in the supporting frame 100, which mainly plays a guiding role; the upper ends of the vertical guide rails 120 extend to the uppermost subframe and the lower ends extend to the lowermost subframe, and the vertical guide rails 120 are slidably connected with the lifting car 310, so as to facilitate guiding the lifting car 310 to vertically lift in the supporting outer frame 100.

In some embodiments of the present utility model, the vertical guide rail 120 is provided with an axial chute along its length direction, and the axial chute is a T-shaped slot.

In some embodiments of the present utility model, the top of the weight box 250 is provided with a plurality of chain adjusting screws 251, the bottom is provided with a plurality of chain connecting pieces 252, and the first ends of the driving chains and the lifting chains are respectively connected to the chain adjusting screws 251 of the weight box 250; the second end of the drive chain is connected to the chain connector 252 after passing upwardly around the second drive sprocket 240 and downwardly around the first drive sprocket 230. When the driving motor 210 is operated, driving may be accomplished through cooperation between the first driving sprocket 230, the second driving sprocket 240, and the driving chain, thereby moving the weight box 250 and the elevator car 310. The weight box can balance the weight of a part of lifting objects, so that the load of the driving motor can be effectively reduced; the normal and stable operation of the cross-layer lifter during the object transportation can be ensured, and the uniform motion is maintained; the elevator cannot normally and stably run without the counterweight, and the speed cannot be kept at a constant speed, which is an indispensable part of the elevator; can play a role in maintaining balance, and the weight of the balance is selected according to the weight of an object transported by the lifter; too much or too little weight can affect the proper operation of the elevator.

In some embodiments of the present utility model, the weight box 250 may also be slidably coupled to the support frame 100 such that the weight box 250 remains stationary during lifting.

In some embodiments of the present utility model, a plurality of balance adjustment mechanisms 400 are symmetrically disposed at the top of the lifting car 310, the balance adjustment mechanisms 400 include an adjustment bolt 410 and an adjustment nut 420, the adjustment bolt 410 is threaded through the top plate of the lifting car 310, the adjustment bolt 410 is movably connected with the second end of the lifting chain, the adjustment nut 420 is sleeved on the portion of the adjustment bolt 410 below the top plate, and the adjustment nut 420 is in threaded connection with the adjustment bolt 410; the side of the lifting car 310 facing the vertical guide rail 120 is provided with a roller 313, and the roller 313 is movably limited in an axial chute of the vertical guide rail 120 and is in rolling connection with the axial chute. The connection mode ensures that the movement of the lifting car on the lifter is more stable.

In some embodiments of the present utility model, a tensioning adjustment mechanism 130 is provided in the bottommost subframe for adjusting the tension of the drive chain. The length of the driving chain can be adjusted according to actual needs or by the tensioning adjusting mechanism 130, so that the tensioning state is kept, and the weight box is conveniently lifted.

In some embodiments of the present utility model, the maintenance rod 140 is detachably disposed on the side of the supporting frame 100, and the main function is that the maintenance rod 140 can clamp the lifting car 310 during the fault maintenance of the elevator, so as to prevent the lifting car 310 from falling off, thereby playing a role in safety guarantee.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. An elevator, characterized in that: comprises a supporting outer frame (100), a driving mechanism (200) and a lifting mechanism (300) which are arranged on the supporting outer frame (100);

the supporting outer frame (100) is a three-dimensional frame formed by stacking a plurality of subframes (110) from bottom to top in sequence, and adjacent subframes (110) are fixed through connecting pieces;

the driving mechanism (200) comprises a driving motor (210), a driving chain (220), a first driving sprocket (230), a second driving sprocket (240) and a weight box (250), wherein the driving motor (210) is arranged in the bottom-layer subframe, the first driving sprocket (230) is rotatably arranged on an output shaft of the driving motor (210), and the second driving sprocket (240) is rotatably arranged in the top-layer subframe; the weight box (250) is arranged on one side of the supporting outer frame (100); the first end of the driving chain (220) is connected to the weight box (250), and the second end sequentially bypasses the second driving sprocket (240) and the first driving sprocket (230) and then is connected to the weight box (250) to form a closed loop;

the lifting mechanism (300) comprises a lifting car (310), a lifting chain wheel (320) and a lifting chain (330), wherein the lifting car (310) is arranged in the supporting outer frame (100) and is connected with the supporting outer frame (100) in a sliding manner; the lifting chain wheel (320) is rotatably arranged in the top-most subframe; the first end of the lifting chain (330) is connected to the weight box (250), and the second end of the lifting chain bypasses the lifting chain wheel (320) and is connected to the top of the lifting car (310).

2. An elevator as defined in claim 1, wherein: a plurality of vertical guide rails (120) are arranged in the supporting outer frame (100), and the upper ends of the vertical guide rails (120) extend to the subframe at the uppermost layer and the lower ends extend to the subframe at the bottommost layer.

3. An elevator as defined in claim 2, wherein: the vertical guide rail (120) is provided with an axial chute along the length direction of the vertical guide rail, and the axial chute is a T-shaped chute.

4. A lift as claimed in claim 3 wherein: the top of the weight box (250) is provided with a plurality of chain adjusting screws (251), the bottom of the weight box is provided with a chain connecting piece (252), and the first end of the driving chain (220) and the first end of the lifting chain (330) are respectively connected to the chain adjusting screws (251) of the weight box (250); the second end of the drive chain (220) is connected to a chain connector (252).

5. An elevator as defined in claim 4, wherein: the top of the lifting lift car (310) is provided with a balance adjusting mechanism (400), the balance adjusting mechanism (400) comprises an adjusting bolt (410) and an adjusting nut (420), the adjusting bolt (410) is arranged on the top plate of the lifting lift car (310) in a penetrating mode, the top of the adjusting bolt (410) is connected with the second end of the lifting chain (330), the adjusting nut (420) is sleeved on the part, located below the top plate, of the adjusting bolt (410), and the adjusting nut (420) is in threaded connection with the adjusting bolt (410); the side of the lifting lift car (310) facing the vertical guide rail (120) is provided with a roller (313), and the roller (313) is limited in an axial chute of the vertical guide rail (120) and is in rolling connection with the axial chute.

6. An elevator as defined in claim 1, wherein: a tensioning adjustment mechanism (130) is arranged in the subframe at the bottommost layer and is used for adjusting the tensioning degree of the driving chain (220).

7. An elevator as defined in claim 1, wherein: the side face of the supporting outer frame (100) is detachably provided with a maintenance rod (140) for clamping the lifting car during maintenance so as to prevent the lifting car from falling off.