CN219009633U - Curve track lifting device - Google Patents

Abstract

The utility model provides a curve track lifting device which comprises a main steel frame, a traction machine arranged at the highest point of the top of the main steel frame, and carrying tracks and counterweight tracks which are respectively arranged at two sides of the main steel frame; the hoisting machine comprises a hoisting track, a hoisting device, a counterweight track, a hoisting machine, a hoisting rope, a hoisting device and a hoisting device, wherein the hoisting device is connected onto the hoisting track in a sliding manner, the counterweight track is connected with the counterweight in a sliding manner, the hoisting machine is wound with the hoisting rope, one end of the hoisting rope is connected with the hoisting device, and the other end of the hoisting rope is connected with the counterweight. The curve track lifting device provided by the utility model can solve the problems of high energy consumption and poor safety performance of the existing lifting device suitable for curve transportation.

Description

Curve track lifting device

Technical Field

The utility model relates to the technical field of lifting equipment design, in particular to a curve track lifting device.

Background

The lifting device is a carrying device for carrying people or articles from a low place to a high place or from a high place to a low place by using driving equipment (such as a hydraulic cylinder, a gear rack meshing matching motor and the like), and is mainly used for high-altitude operation, high-altitude maintenance, recreation sightseeing, heavy object lifting and the like, and plays a very important role in a plurality of industries.

Existing lifting devices are typically configured as vertical rails through which people or objects are carried, however for some special engineering applications (e.g., non-removable stops), it is inconvenient to position the lifting device in a vertical direction, requiring the lifting device to be designed along an arc or curve. For the lifting device suitable for the curve, the hydraulic cylinder is not suitable for driving, and the prior technical proposal adopts a gear-rack meshing scheme, namely, racks are arranged on the curve track, and driving devices are arranged on cabins or other types of carrying tracks, and the driving devices mainly drive gears by motors to drive the cabins or other types of carrying tracks to ascend or descend along the curve track.

However, although the existing lifting device with the gear and rack engaged applicable curve can realize curved transportation of people or articles, the driving power is greatly increased, and the energy consumption is obviously improved; in addition, because of the curve transportation, the installation and manufacturing precision requirements on the gear rack are extremely high, the gear rack is extremely easy to damage, and the safety performance is poor.

Based on the above technical problems, there is a need for a lifting device suitable for curved transportation, which has low energy consumption and high safety performance.

Disclosure of Invention

In view of the above problems, the present utility model aims to provide a curved track lifting device, so as to solve the problems of high energy consumption and poor safety performance of the existing lifting device suitable for curved transportation.

The curve track lifting device provided by the utility model comprises a main steel frame, a traction machine arranged at the highest point of the top of the main steel frame, and carrying tracks and counterweight tracks which are respectively arranged at two sides of the main steel frame; the hoisting machine comprises a hoisting track, a hoisting device, a counterweight track, a hoisting machine, a hoisting rope, a hoisting device and a hoisting device, wherein the hoisting device is connected onto the hoisting track in a sliding manner, the counterweight track is connected with the counterweight in a sliding manner, the hoisting machine is wound with the hoisting rope, one end of the hoisting rope is connected with the hoisting device, and the other end of the hoisting rope is connected with the counterweight.

In addition, the preferable structure is that at least two groups of pulley blocks are respectively arranged on two sides of the main steel frame, and two ends of the steel wire rope are respectively connected with the carrying device and the counterweight after sequentially passing through the pulley blocks on two sides of the main steel frame.

Further, it is preferable that at least one set of buffers is provided at the top and bottom of the counterweight rail and the top and bottom of the carrier rail, respectively.

In addition, the preferred structure is that each group of buffers is fixedly connected with the main steel frame.

Furthermore, it is preferable that the carrying device comprises a lifting frame, an annular slewing bearing and a car; wherein, the liquid crystal display device comprises a liquid crystal display device,

the lifting frame is connected to the carrying rail through a wheel system, the outer ring of the slewing bearing is fixed to the lifting frame, and the lift car is arranged on the inner ring of the slewing bearing.

In addition, a driving mechanism is preferably further provided on the lifting frame, and the driving mechanism is connected with the inner ring of the slewing bearing and drives the inner ring of the slewing bearing to rotate.

In addition, the preferred structure is that the carrying rail comprises two parallel sliding rails, a group of gear trains are respectively arranged on two sides of the bottom of the lifting frame, and the two groups of gear trains are respectively arranged in the corresponding sliding rails.

In addition, it is preferable that a power supply device is provided along the carrying rail on the main steel frame, and the power supply device supplies power to the carrying device.

In addition, it is preferable that an upper platform is provided at a top position of the main steel frame, and a lower platform is provided at a bottom position of the main steel frame.

Further, it is preferable that proximity switches corresponding to the positions of the upper and lower stages are provided at the top and bottom of the carrying rail, respectively.

Compared with the prior art, the curve track lifting device provided by the utility model has the following beneficial effects:

the carrying equipment and the counter weight are arranged on two sides of the main steel frame, and the carrying equipment and the counter weight are connected through the traction machine matched with the steel wire rope, so that the gravity balance of the counter weight to the carrying equipment can be realized, the driving power of the traction machine is obviously reduced, and the energy consumption is reduced; in addition, because the curve track elevating gear that this application promoted realizes carrying equipment's promotion through wire rope cooperation hauler, its running state is steady to do not adopt current rack and pinion meshing's mode to promote carrying equipment, can avoid because the potential safety hazard that the rack and pinion damaged and bring.

Drawings

Other objects and results of the present utility model will become more apparent and readily appreciated by reference to the following description and claims in conjunction with the accompanying drawings and a more complete understanding of the utility model.

In the drawings:

FIG. 1 is a general layout of a curved track lifting device provided by the present utility model;

FIG. 2 is a partial enlarged view of the top of the curved track lifting device provided by the utility model;

FIG. 3 is a partial enlarged view of the bottom of the curved track lifting device provided by the utility model;

FIG. 4 is a top cross-sectional view of the curved track lifting device provided by the present utility model;

FIG. 5 is a block diagram of a carrying apparatus of the curved track lifting device provided by the present utility model;

reference numerals: 1. a curved track lifting device; 2. a lower platform; 3. a top platform; 1-1, a traction machine; 1-2, a steel wire rope; 1-3, a main steel frame; 1-4, pulley blocks; 1-5, a counterweight; 1-6, a counterweight track; 1-7, carrying tracks; 1-8, a buffer; 1-9. Carrying equipment; 1-9-1. A car; 1-9-2. A driving mechanism; 1-9-3, slewing bearing; 1-9-4. Lifting frame; 1-9-5. Wheel train.

The same reference numerals will be used throughout the drawings to refer to similar or corresponding features or functions.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.

Fig. 1 shows an overall layout structure of a curved track lifting device provided by the present utility model, fig. 2 shows a top partial enlarged structure of the curved track lifting device provided by the present utility model, fig. 3 shows a bottom partial enlarged structure of the curved track lifting device provided by the present utility model, fig. 4 shows a top cross-sectional structure of the curved track lifting device provided by the present utility model, and fig. 5 shows a structure of a carrying apparatus of the curved track lifting device provided by the present utility model.

As shown in fig. 1 to 5 together, the curved track lifting device 1 provided by the utility model comprises a main steel frame 1-3 which plays a role in supporting a main structure, a traction machine 1-1 which is arranged at the highest point of the top of the main steel frame 1-3, and a carrying track 1-7 and a counterweight track 1-6 which are respectively arranged at two sides of the main steel frame 1-3; wherein, the carrying track 1-7 is connected with carrying equipment 1-9 matched with the carrying track 1-7 in a sliding way, the counterweight track 1-6 is connected with a counterweight 1-5 matched with the counterweight track in a sliding way, the traction machine 1-1 is wound with a steel wire rope 1-2, two ends of the steel wire rope 1-2 can be lengthened or shortened based on the rotation of the traction machine 1-1, one end of the steel wire rope 1-2 is connected with the carrying equipment 1-9, and the other end of the steel wire rope 1-2 is connected with the counterweight 1-5.

In the actual use process, as the traction machine 1-1 rotates clockwise along the drawing 2 or the drawing 3, one end of the steel wire rope 1-2 connected with the carrying device 1-9 is lifted upwards to drive the carrying device 1-9 to move upwards along the carrying track 1-7, so that the lifting of people or articles in the carrying device 1-9 is realized; accordingly, the counterweight 1-5 connected to the other end of the wire rope 1-2 descends along the counterweight track 1-6 based on its own weight and balances the weight of the carrying device 1-9. Correspondingly, as the traction machine 1-1 rotates anticlockwise in fig. 2 or 3, one end of the steel wire rope 1-2 connected with the carrying device 1-9 is put downwards, the carrying device 1-9 moves downwards along the carrying track 1-7 based on the gravity of the carrying device 1-9, so that people or articles in the carrying device 1-9 are put downwards; accordingly, the counterweight 1-5 connected to the other end of the wire rope 1-2 rises along the counterweight track 1-6 along with the wire rope 1-2 and balances the gravity of the carrying device 1-9.

It should be noted that, in the actual design process, the weight of the counterweight 1-5 may be set to be equal to the weight of the carrying device 1-9 when the carrying device 1-9 is empty, and by this design, the hoisting and the lower part of the carrying device 1-9 can be realized only by overcoming the gravity of the person or the object in the carrying device 1-9 in the running process of the traction machine 1-1, so that the energy consumption can be saved to the greatest extent.

In addition, it should be noted that the main steel frames 1-3 may be constructed separately, or other structures may be utilized. The carrying rails 1-7 and the counterweight rails 1-6 on the two sides of the main steel frame 1-3 are required to be arranged into the same rails with the same size and shape, and the shapes of the two rails can be arranged into a curve or arc-shaped structure according to actual needs, so that the curve lifting and the lower part of the carrying equipment 1-9 are realized. Of course, a corresponding straight line structure in the vertical direction can be set and synthesized according to actual requirements; the device can also be arranged into a straight line structure in an inclined direction; and the structure can also be used for a circular arc or an elliptic arc structure, a structure with another section arranged in other shapes, and the like.

In order to realize the restraint of the steel wire ropes 1-2 positioned at the two sides of the main steel frame 1-3, a plurality of groups (at least two groups) of pulley blocks 1-4 can be respectively arranged at the two sides of the main steel frame 1-3, and the two ends of the steel wire ropes 1-2 are respectively connected with the carrying equipment 1-9 and the counterweight after sequentially passing through the pulley blocks 1-4 (which can sequentially bypass the pulley blocks 1-4) at the two sides of the main steel frame 1-3. Through the arrangement of the pulley block 1-4, two sides of the steel wire rope 1-2 can be respectively restrained in the running track space of the counterweight 1-5 and the carrying device 1-9 in the ascending or descending process of the counterweight 1-5 and the carrying device 1-9, so that the traction force of the steel wire rope 1-2 on the counterweight 1-5 and the carrying device 1-9 is always along the direction of the corresponding track, and the phenomenon of derailment of the counterweight 1-5 and the carrying device 1-9 is avoided.

In addition, in order to realize the buffering of the weights 1-5 and the carrying devices 1-9 when stopping, multiple groups (at least one group) of buffers 1-8 can be respectively arranged at the top and the bottom of the counterweight track 1-6 and the top and the bottom of the carrying track 1-7, each group of buffers 1-8 is fixedly connected with the main steel frame 1-3, and the buffers are provided for the weights 1-5 and the carrying devices 1-9 when stopping so as to prevent the weights 1-5 and the carrying devices 1-9 from colliding with limiting devices preset at the tail ends of the track.

In one specific embodiment of the utility model, the carrying device 1-9 may comprise a lifting frame 1-9-4, an annular slewing bearing 1-9-3 and a car 1-9-1; the lifting frame 1-9-4 is connected to the carrying track 1-7 through the wheel train 1-9-5, the slewing bearing 1-9-3 is installed on the lifting frame 1-9-4 by taking the horizontal direction as the axis, the outer ring of the slewing bearing is fixed on the lifting frame 1-9-4, the inner ring of the slewing bearing can rotate in the outer ring of the slewing bearing, and the lift car 1-9-1 is arranged on the inner ring of the slewing bearing 1-9-3; the lifting frame 1-9-4 is also provided with a driving mechanism 1-9-2, and the driving mechanism 1-9-2 is connected with the inner ring of the slewing bearing 1-9-3 and drives the inner ring of the slewing bearing 1-9-3 to rotate. In the actual use process, as the lift car 1-9-1 is connected with the inner ring of the slewing bearing 1-9-3, the lift car 1-9-1 can rotate relative to the lifting frame 1-9-4 through the slewing bearing 1-9-3, and when the carrying equipment 1-9 lifts or descends along the carrying track 1-7, the ground or seat plane on which a person stands in the lift car 1-9-1 is always in a horizontal state when the lifting frame 1-9-4 forms different angles with the horizontal plane, so that the comfort level of the person in the lift car 1-9-1 is improved.

In addition, in order to improve the carrying stability of the carrying device 1-9, the carrying rail 1-7 may include two parallel sliding rails, a set of gear trains 1-9-5 are respectively arranged at two sides of the bottom of the lifting frame 1-9-4, the two sets of gear trains 1-9-5 are respectively arranged in the corresponding sliding rails, and the connection of the carrying device 1-9 is realized through the two sets of gear trains 1-9-5.

In addition, in order to realize the internal power supply of the carrying device 1-9, a power supply device is arranged on the main steel frame 1-3 along the carrying rail 1-7, the power supply device can comprise a sliding contact line along the carrying rail 1-7, and the like, and the power supply device is used for supplying power to the carrying device 1-9 so as to realize the internal power supply of the carrying device 1-9.

It should be noted that, in general, it is necessary to provide the upper platform 3 at the top of the main steel frame 1-3, provide the lower platform 2 at the bottom of the main steel frame 1-3, and the curved track lifting device 1 is used for lifting the person or the object on the lower platform 2 to the upper platform 3 and lowering the person or the object on the upper platform 3 to the lower platform 2.

In addition, in order to achieve accurate parking of the carrying device 1-9, detection elements such as proximity switches and the like corresponding to the positions where the carrying device 1-9 is parked on the upper platform 3 and the lower platform 2 are respectively arranged at the top and the bottom of the carrying track 1-7, and corresponding control signals are provided for controlling the starting and stopping of the traction machine 1-1, the starting and stopping of the driving mechanism 1-9-2 on the carrying device 1-9, and the opening and locking of the doors of the cage 1-9-1 of the carrying device 1-9.

It should be noted that, the section of the material adopted by each guide rail in the curved track lifting device 1 provided by the utility model is not limited to a circular section, other shapes such as a rectangular section or an i-section can be used, and the structures of the wheel trains 1-9-5 of the carrying devices 1-9 adopted by different sections are different; in addition, the carrying device 1-9 can also adopt a mode of not using the slewing bearing 1-9-3 to keep the ground or seat surface of the lift car 1-9-1 in a horizontal state, namely, the connection mode of the lift car 1-9-1 and the lifting frame 1-9-4 can adopt other existing design modes, and the description is omitted here; furthermore, the positions of the weights 1-5 and the cars 1-9-1 can be exchanged, for example, the cars 1-9-1 are disposed outside the arc-shaped rail and the weights 1-5 are disposed inside the arc-shaped rail, as space permits.

The curved track lifting device according to the present utility model is described above by way of example with reference to fig. 1 to 5. However, it will be appreciated by those skilled in the art that various modifications may be made to the curved track lifting device set forth above without departing from the teachings of the present utility model. Accordingly, the scope of the utility model should be determined from the following claims.

Claims (10)

1. The curve track lifting device is characterized by comprising a main steel frame, a traction machine arranged at the highest point of the top of the main steel frame, and carrying tracks and counterweight tracks which are respectively arranged at two sides of the main steel frame; wherein, the liquid crystal display device comprises a liquid crystal display device,

the carrying track is connected with carrying equipment in a sliding manner, the counterweight track is connected with a counterweight in a sliding manner, the traction machine is wound with a steel wire rope, one end of the steel wire rope is connected with the carrying equipment, and the other end of the steel wire rope is connected with the counterweight.

2. The curvilinear track lifting device of claim 1,

at least two groups of pulley blocks are respectively arranged on two sides of the main steel frame, and two ends of the steel wire rope are respectively connected with the carrying device and the counterweight after sequentially passing through the pulley blocks on two sides of the main steel frame.

3. The curvilinear track lifting device of claim 1,

at least one set of buffers is provided at the top and bottom of the counterweight track and the top and bottom of the carrier track, respectively.

4. The curvilinear track lifting device of claim 3,

each group of buffer is fixedly connected with the main steel frame.

5. A curved track lifting device as defined in claim 1, wherein,

the carrying equipment comprises a lifting frame, an annular slewing bearing and a lift car; wherein, the liquid crystal display device comprises a liquid crystal display device,

the lifting frame is connected to the carrying rail through a wheel system, the outer ring of the slewing bearing is fixed to the lifting frame, and the lift car is arranged on the inner ring of the slewing bearing.

6. The curvilinear track lifting device of claim 5,

and the lifting frame is also provided with a driving mechanism which is connected with the inner ring of the slewing bearing and drives the inner ring of the slewing bearing to rotate.

7. The curvilinear track lifting device of claim 6,

the carrying rail comprises two parallel sliding rails, a group of gear trains are respectively arranged on two sides of the bottom of the lifting frame, and the two groups of gear trains are respectively arranged in the corresponding sliding rails.

8. The curvilinear track lifting device of claim 1,

and power supply equipment is arranged on the main steel frame along the carrying track and supplies power for the carrying equipment.

9. The curved track lifting device of any one of claims 1-8,

an upper platform is arranged at the top of the main steel frame, and a lower platform is arranged at the bottom of the main steel frame.

10. The curvilinear track lifting device of claim 9,

and proximity switches corresponding to the positions of the upper platform and the lower platform are respectively arranged at the top and the bottom of the carrying track.

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