CN212893686U

CN212893686U - Elevator with symmetrical double-counterweight device

Info

Publication number: CN212893686U
Application number: CN202020873103.XU
Authority: CN
Inventors: 李广勇; 唐兵; 姜甲浩
Original assignee: Kengic Intelligent Technology Co Ltd
Current assignee: Kengic Intelligent Technology Co Ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-04-06
Anticipated expiration: 2030-05-21

Abstract

Lifting machine with two counter weight devices of symmetry, take the structural design of built-in two counter weight devices that set up with bilateral symmetry to improve lifting machine modularization and lightweight design on the whole in phase, be connected with guiding mechanism through changing the counter weight device and correspondingly improve counter weight balance performance and energy efficiency ratio, reduce the operation noise that goes up and down simultaneously, furthest ensures the security of job site. The counterweight device consists of a traction rope connected with the cargo carrying platform, a traction guide mechanism and a counterweight component; the counterweight assembly is arranged inside the hollow left upright post and the hollow right upright post, and the traction rope is connected with the counterweight assembly through the traction guide mechanism; the counterweight assembly comprises a plurality of counterweight plates which are vertically overlapped and connected together through guide pillars and reinforcing plates at two vertical ends; be provided with 2 groups respectively on the reinforcing plate and be used for realizing the spacing subassembly of counter weight subassembly along 2 ascending horizontal direction in the front and back 2 directions respectively to and along 2 ascending vertical direction spacing subassemblies in the upper and lower direction.

Description

Elevator with symmetrical double-counterweight device

Technical Field

The utility model relates to a be applied to improvement design of lifting machine counter weight device among automatic stereoscopic warehouse belongs to logistics storage technical field.

Background

At present, in conveying equipment in the logistics storage industry, a lifting machine is generally used for lifting or lowering a tray, a cargo carrying platform and other devices from one working height to another working height, so that the vertical warehouse is assisted to finish warehousing and ex-warehouse of materials, layer changing operation and maintenance of a trolley and the like.

The existing hoister used in open at home and abroad has single function and large volume, and mainly has the following defects: firstly, the unilateral limit of the more generally adoption of the counter weight device that adopts sets up the structure, need additionally carry out counter weight adjustment design in the balanced aspect of complete machine focus, needs special protective structure separately. Secondly, the lifting operation speed of the parts such as the cargo carrying platform and the like cannot be effectively increased in the equipment combination cooperative operation, and if the parts are driven by a high-power motor alone, the energy efficiency is low, and the control of the operation cost is not facilitated. Thirdly, the counterweight device of the existing elevator is of an external structure, so that the safety performance is poor, and if hidden dangers such as breakage of a steel wire rope occur, the safety of field equipment and personnel is directly influenced. Fourthly, the device lacks a transverse and vertical guiding and self-adjusting mechanism, is easy to be limited by the processing precision of parts, and is easy to increase the friction resistance and generate operation noise during lifting

A major problem.

In view of this, the present patent application is specifically proposed.

SUMMERY OF THE UTILITY MODEL

Lifting machine with two counter weight devices of symmetry, lie in solving the problem that above-mentioned prior art exists and take the structural design of built-in two counter weight devices that set up with bilateral symmetry to improve lifting machine modularization and lightweight design on the whole in phase, connect with guiding mechanism through changing the counter weight device and correspondingly improve counter weight balance performance and energy efficiency ratio, reduce the operation noise of going up and down simultaneously, furthest ensures the security of job site.

In order to achieve the design purpose, the elevator with the symmetrical double-counterweight device comprises a base frame formed by connecting a left upright post, a right upright post, an upper cross beam and a lower cross beam, wherein cargo carrying platforms are respectively arranged on the side parts of the left upright post and the right upright post, and each cargo carrying platform is connected with one counterweight device.

Compared with the prior art, the counterweight device is characterized by comprising a traction rope connected with a cargo carrying platform, a traction guide mechanism and a counterweight component;

the counterweight assembly is arranged inside the hollow left upright post and the hollow right upright post, and the traction rope is connected with the counterweight assembly through the traction guide mechanism;

the counterweight assembly comprises a plurality of counterweight plates which are vertically overlapped and connected together through guide pillars and reinforcing plates at two vertical ends; be provided with 2 groups respectively on the reinforcing plate and be used for realizing the spacing subassembly of counter weight subassembly along 2 ascending horizontal direction in the front and back 2 directions respectively to and along 2 ascending vertical direction spacing subassemblies in the upper and lower direction.

Furthermore, in the horizontal guide assembly, a drum wheel is arranged at one end of a drum wheel shaft, and the other end of the drum wheel shaft is rotatably connected to the vertical support shaft through a shaft sleeve; the vertical supporting shaft is arranged on the extension plate; the side of the drum wheel shaft is connected with a mould spring.

Furthermore, in the vertical guide assembly, the cylindrical guide wheel is sleeved on the cylindrical guide wheel shaft, the cylindrical guide wheel shaft is connected to the guide wheel mounting support in a penetrating and sleeving manner, two axial ends of the cylindrical guide wheel shaft are respectively connected with a compression spring horizontally arranged, and the stop block is mounted on the guide wheel mounting support.

Furthermore, the traction guide mechanism comprises at least one group of traction guide wheels, the traction rope bypasses the traction guide wheels, the traction guide wheels are sleeved on a steering wheel shaft, and two ends of the steering wheel shaft are fixedly arranged on the upper cross beam through driven shaft embedded plates respectively.

In summary, the hoist with the symmetrical double-counterweight device has the advantages that:

1. the modular and lightweight design of the whole structure of the elevator is facilitated, the balance performance design of the balance weight of the whole structure is correspondingly improved, meanwhile, the size of the elevator product is assisted to be optimized, and the manufacturing and using cost of the whole elevator is reduced.

2. The design of bilateral symmetry and built-in counterweight structure is adopted, so that the balance of the gravity center of the whole machine is improved, the counterweight protection design is not required to be additionally carried out, and the potential safety hazard to field equipment and personnel can be eliminated even if the steel wire rope is broken and other accidents occur.

3. The operation speed of the lifting operation is fundamentally optimized and improved, the operation efficiency is higher, and the production cost is lower.

4. Through horizontal and vertical direction and adjustment mechanism, operation noise when can effectual reduction frictional resistance and lift reduces the requirement to basic unit processing such as stand and installation accuracy, is favorable to reducing the plant maintenance cost simultaneously and maintains the operation complexity.

Drawings

The invention will now be further described with reference to the following figures.

Fig. 1 is a schematic structural view of a hoist;

FIG. 2 is a schematic front view of FIG. 1;

FIG. 3 is a schematic view of a counterweight assembly;

FIG. 4 is a schematic front view of FIG. 3;

FIG. 5 is a schematic top view of FIG. 3;

in the figure, the left upright post 101, the right upright post 102, the upper cross beam 103, the lower cross beam 104, the cargo bed 200, a traction rope fixing ring 201, a traction rope 202, a counterweight assembly 800, a drum wheel 801, a drum wheel shaft 802, a shaft sleeve 803, a vertical supporting shaft 804, a mold spring 805, an extension plate 806, a guide wheel mounting support 807, a compression spring 808, a cylindrical guide wheel 809, a cylindrical guide wheel shaft 810, a stop 811, a reinforcing plate 813, a traction rope hanging ring 814, a guide column 815, a counterweight plate 816, a steering wheel shaft 817, a driven shaft panel 818 and a traction guide wheel 819 are arranged.

Detailed Description

Embodiment 1, as shown in fig. 1 to 5, the hoist according to the present invention includes a base frame formed by interconnecting a left vertical pillar 101, a right vertical pillar 102, an upper cross member 103, and a lower cross member 104, and the base frame ensures overall rigidity of the hoist and accuracy of lifting operation.

The side parts of the left upright post 101 and the right upright post 102 are respectively provided with a cargo loading platform 200, and each cargo loading platform 200 is connected with a counterweight device which has the same structure and is arranged along the upright posts in a bilateral symmetry manner.

The counterweight device consists of a traction rope 202 connected with the cargo bed 200, a traction guide mechanism and a counterweight assembly 800.

Specifically, the weight assembly 800 is disposed inside the hollow left upright 101 or right upright 102; the weight assembly 800 vertically reciprocates along the inner surface of the column to balance the self-gravity of the cargo bed 200;

a traction rope fixing ring 201 is arranged on the cargo carrying platform 200, one end of a traction rope 202 is fastened with the traction rope fixing ring 201 and is connected to a counterweight component 800 at the other end through a traction guide mechanism;

the traction guide mechanism includes at least one set of traction sheaves 819, around which the traction ropes 202 are routed to effect steering between horizontal and vertical directions. Traction guide wheel 819 is sleeved on steering wheel shaft 817, and two ends of steering wheel shaft 817 are fixedly mounted on upper cross beam 103 through driven shaft panels 818 respectively, so that axial movement of traction guide wheel 819 is prevented, and good horizontal guiding and stable clamping force is provided for traction rope 202.

The counterweight assembly 800 comprises a plurality of counterweight plates 816 vertically overlapped and connected together through guide columns 815 and reinforcing plates 813 at two vertical ends.

2 sets of horizontal guiding and limiting assemblies which are respectively used for realizing that the counterweight assembly 800 is arranged along the front and back 2 directions and vertical guiding and limiting assemblies which are arranged along the upper and lower 2 directions are respectively arranged on the reinforcing plate 813.

The horizontal guide assembly may adopt the following structural design of a drum wheel assembly:

in the drum wheel assembly, a drum wheel 801 is installed at one end of a drum wheel shaft 802, and the other end of the drum wheel shaft 802 is rotatably connected to a vertical support shaft 804 through a shaft sleeve 803; the vertical support shaft 804 is mounted on the extension plate 806; the side of the drum wheel shaft 802 is connected with a mold spring 805, and under the action of the mold spring 805, the drum wheel 801 abuts against the inner wall of the left upright post 101 or the right upright post 102, so that the elastic adjustment of the counterweight assembly 800 in 2 horizontal directions of the inner wall of the upright post is realized, the friction resistance and the running noise can be reduced, and the collision and the vibration can be avoided.

The vertical guide assembly can adopt the following structural design of a cylindrical wheel assembly:

in the cylindrical wheel assembly, a cylindrical guide wheel 809 is sleeved on a cylindrical guide wheel shaft 810, the cylindrical guide wheel shaft 810 is sleeved and connected with a guide wheel mounting support 807, two axial ends of the cylindrical guide wheel shaft 810 are respectively connected with a compression spring 808 which is horizontally arranged, and a stop 811 is mounted on the guide wheel mounting support 807 to limit the horizontal displacement of the cylindrical guide wheel shaft 810; under the effect of compression spring 808, cylindrical guide wheel 809 can hug closely in the inner wall of left stand 101 or right stand 102 to realize the elastic adjustment of counter weight subassembly 800 in the vertical 2 ascending directions of stand inner wall, both reducible frictional resistance and operation noise can avoid again to bump and vibrations.

In summary, the embodiments shown in the drawings are only preferred embodiments for achieving the objects of the present invention. Those skilled in the art can now appreciate that other alternative configurations consistent with the present invention may be readily devised. Other structural features thus obtained are also intended to be within the scope of the present invention.

Claims

1. The utility model provides an elevator with two counter weight devices of symmetry, includes the basic frame who comprises left stand, right stand, entablature and bottom end rail interconnect, is provided with respectively at the lateral part of left stand, right stand and carries cargo bed, and each carries cargo bed to connect a counter weight device, its characterized in that: the counterweight device consists of a traction rope connected with the cargo carrying platform, a traction guide mechanism and a counterweight component;

2. The hoist with a symmetrical double counterweight as claimed in claim 1, characterized in that: in the horizontal guiding and limiting assembly, a drum-shaped wheel is arranged at one end of a drum-shaped wheel shaft, and the other end of the drum-shaped wheel shaft is rotatably connected to a vertical supporting shaft through a shaft sleeve; the vertical supporting shaft is arranged on the extension plate; the side of the drum wheel shaft is connected with a mould spring.

3. The hoist with a symmetrical double counterweight as claimed in claim 1, characterized in that: in the vertical guide limiting assembly, a cylindrical guide wheel is sleeved on a cylindrical guide wheel shaft, the cylindrical guide wheel shaft is connected to a guide wheel mounting support in a penetrating and sleeving manner, two axial ends of the cylindrical guide wheel shaft are respectively connected with a compression spring horizontally arranged, and a stop block is mounted on the guide wheel mounting support.

4. A hoisting machine with a symmetrical double counterweight according to claim 1, 2 or 3, characterized in that: the traction guide mechanism comprises at least one group of traction guide wheels, the traction rope bypasses the traction guide wheels, the traction guide wheels are sleeved on a steering wheel shaft, and two ends of the steering wheel shaft are fixedly arranged on the upper cross beam through driven shaft embedded plates respectively.