CN215626043U

CN215626043U - Lifting system

Info

Publication number: CN215626043U
Application number: CN202121973642.1U
Authority: CN
Inventors: 单亚飞; 陈李鹏
Original assignee: Square Technology Group Co Ltd
Current assignee: Square Technology Group Co Ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-01-25
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a lifting system, wherein a power system is arranged at the bottom of the lifting system, the power system is fixed on a lower connecting beam, a chain wheel device is arranged on an upper connecting beam, and the power system, a balancing weight, the chain wheel device and a lifter form a closed loop through a chain. The power system of the utility model adopts a split structure, and has simple structure and high transmission efficiency. The power system is arranged at the bottom, so that the equipment floor height is reduced, and the overhaul is convenient. The utility model increases the auxiliary winding, enlarges the gap between the balance weight and the elevator, increases the steel wire rope for preventing weightlessness and improves the safety of system operation.

Description

Lifting system

Technical Field

The utility model relates to a lifting system, in particular to a split type lifting system with power arranged at the bottom.

Background

The existing lifting system for the box-type freezing tunnel is powered on the top, a speed reducer realizes four-point lifting of a lifter through a coupler, a transmission shaft and a spiral bevel gear steering box, the structure is complex, the failure rate is high, the transmission efficiency is low, the top space is occupied, the height of an equipment layer is increased, and the maintenance is inconvenient.

Disclosure of Invention

The present invention is directed to a lifting system to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a power system is arranged at the bottom of the lifting system, the power system is fixed on a lower connecting beam, a chain wheel device is arranged on an upper connecting beam, and the power system, a balancing weight, the chain wheel device and a lifter form a closed loop through a chain.

The utility model is further improved in that: both ends of the lower connecting beam and the upper connecting beam are fixed on the upright post.

The utility model is further improved in that: the power system comprises two speed reducers which are arranged oppositely, namely the two speed reducers are fixed on two lower connecting beams which are arranged oppositely, each speed reducer drives a main transmission shaft, a driven transmission shaft is arranged on the outer side of each main transmission shaft, the two ends of each main transmission shaft and the two ends of each driven transmission shaft are fixed on the lower connecting beams through second belt seat bearings, chain wheels are arranged at the positions, close to the two ends, of the main transmission shafts and the driven transmission shafts, and chains bypass the chain wheels.

The utility model is further improved in that: the chain wheel device comprises chain wheel sets which are symmetrical to the power system, namely two chain wheel sets are arranged on the two oppositely-arranged upper connecting beams, each chain wheel set comprises two first belt seat bearings, chain wheels are arranged in the two first belt seat bearings through short shafts, and a chain bypasses the chain wheels.

The utility model is further improved in that: the pulley block comprises first belt seat bearings, pulleys are arranged in the two first belt seat bearings through short shafts, steel wire ropes are wound on the pulleys, one ends of the steel wire ropes are connected with the elevator, and the other ends of the steel wire ropes are connected with balancing weights to form an open loop.

The utility model is further improved in that: the balancing weight is connected with the chain through a first connecting rod.

The utility model is further improved in that: the balancing weight is connected with the steel wire rope through a second connecting rod.

Compared with the prior art, the utility model has the beneficial effects that:

the power system of the utility model adopts a split structure, and has simple structure and high transmission efficiency. The power system is arranged at the bottom, so that the equipment floor height is reduced, and the overhaul is convenient. The utility model increases the auxiliary winding, enlarges the gap between the balance weight and the elevator, increases the steel wire rope for preventing weightlessness and improves the safety of system operation.

Drawings

FIG. 1 is a diagram: front view of the structure of the present invention;

FIG. 2 is a diagram of: view A-A of the structure of the present invention;

FIG. 3 is a diagram of: a side view of the structure of the present invention;

FIG. 4 is a diagram of: B-B view of the structure of the present invention;

reference numbers in the figures: 1-balancing weight, 2-first connecting rod, 3-chain, 4-first bearing with seat, 5-chain wheel, 6-short shaft, 7-pulley, 8-second connecting rod, 9-steel wire rope, 10-main transmission shaft, 11-driven shaft, 12-second bearing with seat, 13-speed reducer, 14-lifter, 15-upper connecting beam, 16-lower connecting beam and 17-upright column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The embodiment provides a technical scheme: a lifting system, the bottom of which is a power system, the power system is fixed on a lower connecting beam 16, an upper connecting beam 15 is provided with a chain wheel device, and the two ends of the lower connecting beam 16 and the upper connecting beam 15 are fixed on a vertical column 17. The power system, counterweight 1, sprocket assembly and elevator 14 form a closed loop via chain 3. The split type lifting system technical scheme that the power system is arranged at the bottom simplifies the transmission structure, reduces the equipment layer height, improves the transmission efficiency and is convenient to overhaul.

The power system comprises two oppositely arranged speed reducers 13, namely the two speed reducers 13 are respectively fixed on two oppositely arranged lower connecting beams 16, each speed reducer 13 drives one main transmission shaft 10, a driven transmission shaft 11 is arranged on the outer side of each main transmission shaft 10, and the two ends of each main transmission shaft 10 and the two ends of each driven transmission shaft 11 are fixed on the lower connecting beams 16 through second bearings 12. The speed reducer 13 is arranged symmetrically in a split mode, one side of the speed reducer is provided, the speed reducer 13 is directly connected with the main transmission shaft 10, a coupler and a steering box are not needed, the structure is simple, and the transmission efficiency is high. The power system that speed reducer 13 and transmission shaft constitute is installed in the lift system bottom, need occupy the space of box freezing tunnel bottom when descending the minimum because of the lift, and power system installs in the bottom, has just in time utilized this space, compares at the top with power system dress, can effectively practice thrift equipment layer height, and power system dress is in the bottom, and the daily dimension of being convenient for is protected and is overhauld.

The main transmission shaft 10 is adjacently arranged with the driven transmission shaft 11, the chain wheels 5 are arranged at both ends of the main transmission shaft 10 and the driven transmission shaft 11, and the number of the chain wheels is doubled. The same applies to the chain wheel 5 on the upper connecting beam 15, and the chain wheel device comprises chain wheel sets symmetrical to the power system, namely two chain wheel sets are arranged on the two oppositely arranged upper connecting beams 15, each chain wheel set comprises two first belt seat bearings 4, the chain wheel 5 is arranged in the two first belt seat bearings 4 through a short shaft 6, and the chain 3 bypasses the chain wheel 5. Every hoisting point is increased into two sprockets by a sprocket, to the chain, equals to increased a vice winding, compares in original sprocket of every hoisting point, now becomes two sprockets after, the diameter of sprocket diminishes, the moment of torsion that motor and axle received is littleer, increases vice back of winding, has enlarged the clearance between balancing weight 1 and lift 14, and the security is better.

The pulley blocks are arranged between the two chain wheel sets and comprise first belt seat bearings 4, pulleys 7 are arranged in the two first belt seat bearings 4 through short shafts 6, steel wire ropes 9 are wound on the pulleys 7, one ends of the steel wire ropes 9 are connected with the elevator 14, and the other ends of the steel wire ropes are connected with the balancing weight 1 to form an open loop. The balancing weight 1 is connected with the elevator 14 through a steel wire rope 9, the pulley 7 is arranged in the middle of the upper connecting beam 15, one end of the steel wire rope 9 is connected with the balancing weight 1, and the other end of the steel wire rope is connected with the elevator 14 to serve as weightlessness protection, so that the operation safety of the whole system is improved.

The counterweight block 1 is connected with the chain 3 through the first connecting rod 2, and the chain 3 is tightened through the first connecting rod 2, so that the shaking generated by the chain 3 and the counterweight block 1 in the operation process can be effectively reduced; balancing weight 1 is connected with wire rope 9 through second connecting rod 8, tightens up wire rope 9 through second connecting rod 8, can effectively reduce the produced rocking of operation in-process wire rope 9 and balancing weight 1.

The utility model is a split type lifting system technical scheme with power arranged at the bottom, simplifies the transmission structure, reduces the height of the equipment layer, improves the transmission efficiency and is convenient to overhaul.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lift system, characterized by: the bottom of the lifting system is a power system, the power system is fixed on a lower connecting beam (16), a chain wheel device is arranged on an upper connecting beam (15), and the power system, the balancing weight (1), the chain wheel device and the lifter (14) form a closed loop through a chain (3).

2. A lifting system according to claim 1, characterized in that: and the two ends of the lower connecting beam (16) and the upper connecting beam (15) are fixed on the upright post (17).

3. A lifting system according to claim 1, characterized in that: power system includes two speed reducer (13) that set up relatively, two promptly speed reducer (13) are fixed respectively two sets up relatively on tie-beam (16) down, every speed reducer (13) all drive a final drive shaft (10), final drive shaft (10) outside is equipped with from transmission shaft (11), final drive shaft (10) with the both ends of following transmission shaft (11) are all fixed through second rolling bearing (12) down on tie-beam (16), final drive shaft (10) with it all is equipped with sprocket (5) to be close to both ends department from transmission shaft (11), this sprocket (5) are walked around in chain (3).

4. A lifting system according to claim 1, characterized in that: sprocket device includes the sprocket group symmetrical with driving system, two relative settings promptly all be equipped with two on last tie-beam (15) sprocket group, every sprocket group includes two first tape seat bearing (4), two be equipped with sprocket (5) through minor axis (6) in first tape seat bearing (4), this sprocket (5) is walked around in chain (3).

5. A lifting system according to claim 4, characterized in that: two are relative to be set up all be equipped with the assembly pulley on last tie-beam (15), the assembly pulley is arranged in two between the sprocket group, the assembly pulley includes first rolling bearing (4), two be equipped with pulley (7) through minor axis (6) in first rolling bearing (4), around there being wire rope (9) on pulley (7), wire rope (9) one end is connected lift (14), balancing weight (1) is connected to the other end, forms the ring-opening.

6. A lifting system according to claim 1, characterized in that: the balancing weight (1) is connected with the chain (3) through a first connecting rod (2).

7. A lifting system according to claim 5, characterized in that: the balancing weight (1) is connected with the steel wire rope (9) through a second connecting rod (8).