CN215854895U

CN215854895U - Stress application mechanism of shear type lifter

Info

Publication number: CN215854895U
Application number: CN202122422617.0U
Authority: CN
Inventors: 秦利明
Original assignee: Hefei Wei Jia Machinery Science And Technology Co ltd
Current assignee: Hefei Wei Jia Machinery Science And Technology Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-02-18
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a force applying mechanism of a scissor lift in the technical field of scissor lifts, which comprises a base plate, wherein a controller, a hydraulic cylinder supporting seat, a left knife arm supporting seat, a lower sliding rail and a limiting block are sequentially arranged at the top of the base plate from left to right, a right knife arm supporting seat is arranged at the top of a lower sliding block, and compared with the conventional force applying mechanism of the scissor lift, the utility model has the advantages of simple structure and convenience in use.

Description

Stress application mechanism of shear type lifter

Technical Field

The utility model relates to the technical field of scissor lifts, in particular to a force application mechanism of a scissor lift.

Background

A scissor lift is an automobile repairing machine used in the automobile repairing industry. The hydraulic lifting machine is driven to lift by a hydraulic system, plays a vital role in automobile maintenance, and cannot be detached during the overhaul and maintenance of the whole automobile. With the increase of automobile sales volume in China, the lifting machine is used as an important tool for automobile maintenance, the demand is greatly increased, and the basic working principle of the scissor type lifting machine is as follows: the hydraulic oil cylinder drives an oil cylinder piston rod, the hydraulic piston rod drives a connecting rod system arranged between the top plate and the bottom plate, and the connecting rod system stretches and retracts to drive the top plate to lift in parallel. The linkage system includes a set of rods, such as an upper push rod, an upper moving rod, a lower stationary rod, a lower moving rod, and the like, which may also be collectively referred to as an "inner cutter arm". Compared with a vertical lifter, the scissor lifter has the advantages of simpler structure, light weight, flexible operation and small height of the whole scissor lifter, but when a hydraulic cylinder of the scissor lifter extends to the highest position of the scissor lifter, if the hydraulic cylinder extends continuously, the main body of the scissor lifter is damaged, and therefore, the force application mechanism of the scissor lifter is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a force application mechanism of a scissor lift, which solves the problem that when a hydraulic cylinder of the scissor lift extends to the highest position where the scissor lift rises, if the hydraulic cylinder continues to extend, the scissor lift body is damaged.

In order to achieve the purpose, the utility model provides the following technical scheme: a force application mechanism of a shear type lifter comprises a base plate, wherein the top of the base plate is sequentially provided with a controller, a hydraulic cylinder supporting seat, a left knife arm supporting seat, a lower sliding rail and a limiting block from left to right, the top of the lower sliding rail is provided with a lower sliding block, the top of the lower sliding block is provided with a right knife arm supporting seat, the top of the right knife arm supporting seat is hinged with a right knife arm, the center of the right knife arm is provided with a hinged seat, the right knife arm is hinged with a left knife arm through the hinged seat, the bottom of the left knife arm is hinged with the left knife arm supporting seat, the top of the left knife arm is hinged with an upper sliding block, the top of the upper sliding block is provided with an upper sliding rail and a lifting platform, the bottom of the lifting platform is connected with the upper sliding block through the upper sliding rail, the bottom of the lifting platform is hinged with the right knife arm, the right knife arm is positioned on the left side of the upper sliding rail, the top of the hydraulic cylinder supporting seat is hinged with a hydraulic cylinder, the top handing-over of pneumatic cylinder has the connecting seat, and the connecting seat is located the left side wall of right tool arm, the connecting seat is located the left side top of articulated seat, lift platform's right side wall is provided with infrared distance measuring sensor, and infrared distance measuring sensor is located the left side of right tool arm, the controller is electric connection pneumatic cylinder and infrared distance measuring sensor respectively.

Preferably, the distance between the connecting seat and the top of the right knife arm is one fourth of the length of the right knife arm.

Preferably, the distance between the left cutter arm supporting seat and the hydraulic cylinder supporting seat is one fourth of the length of the right cutter arm.

Compared with the prior art, the utility model has the beneficial effects that: compared with the existing force applying mechanism of the scissor lift, the infrared distance measuring sensor is added on the basis of the existing force applying mechanism of the scissor lift, the rising height of a lifting platform of the scissor lift is sensed when a hydraulic cylinder in the force applying mechanism of the scissor lift extends, and therefore the hydraulic cylinder stops working before the scissor lift rises to the highest position, and damage to a right knife arm caused by the hydraulic cylinder is reduced.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: the device comprises a base plate 1, a controller 2, a hydraulic cylinder supporting seat 3, a left knife arm supporting seat 4, a lower sliding rail 5, a limiting block 6, a lower sliding block 7, a right knife arm supporting seat 8, a right knife arm 9, a hinged seat 10, a left knife arm 11, an upper sliding block 12, an upper sliding rail 13, a lifting platform 14, a hydraulic cylinder 15, a connecting seat 16 and an infrared distance measuring sensor 17.

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.

Referring to fig. 1, the present invention provides a technical solution: a force application mechanism of a shear type lifter comprises a base plate 1, wherein a controller 2, a hydraulic cylinder support seat 3, a left knife arm support seat 4, a lower slide rail 5 and a limiting block 6 are sequentially arranged at the top of the base plate 1 from left to right, a lower slide block 7 is arranged at the top of the lower slide rail 5, a right knife arm support seat 8 is arranged at the top of the lower slide block 7, a right knife arm 9 is hinged at the top of the right knife arm support seat 8, a hinged seat 10 is arranged at the center of the right knife arm 9, the right knife arm 9 is hinged with a left knife arm 11 through the hinged seat 10, the bottom of the left knife arm 11 is hinged with the left knife arm support seat 4, an upper slide block 12 is hinged at the top of the left knife arm 11, an upper slide rail 13 and a lifting platform 14 are arranged at the top of the upper slide block 12, the bottom of the lifting platform 14 is connected with the upper slide rail 12 through the upper slide rail 13, the bottom of the lifting platform 14 is hinged with the right knife arm 9, and the right knife arm 9 is positioned at the left side of the upper slide rail 13, the top of pneumatic cylinder supporting seat 3 articulates there is pneumatic cylinder 15, and the top of pneumatic cylinder 15 is crosslinked and has connecting seat 16, and connecting seat 16 is located the left side wall of right knife arm 9, and connecting seat 16 is located the left side top of articulated seat 10, and the right side wall of lift platform 14 is provided with infrared distance measuring sensor 17, and infrared distance measuring sensor 17 is located the left side of right knife arm 9, and controller 2 electric connection pneumatic cylinder 15 and infrared distance measuring sensor 17 respectively.

Wherein, the distance between connecting seat 16 and the top of right knife arm 9 is the length of quarter right knife arm 9, and the distance between left knife arm supporting seat 4 and hydraulic cylinder supporting seat 3 is the length of quarter right knife arm 9, so that when hydraulic cylinder 15 pushes the included angle between right knife arm 9 and the top of bed plate 1 through connecting seat 16 to change, hydraulic cylinder 15 and right knife arm 9 always keep a certain distance.

The working principle is as follows: when the force application mechanism of the scissor lift is used, the controller 2 controls the hydraulic cylinder 15 to extend, so that the hydraulic cylinder 15 pushes the included angle between the right knife arm 9 and the top of the base plate 1 to change through the connecting seat 16, the included angle between the right knife arm 9 and the top of the base plate 1 gradually increases, the right knife arm 9 and the left knife arm 11 are connected through the hinged seat 10, the included angle between the right knife arm 9 and the top of the base plate 1 gradually increases, the included angle between the left knife arm 11 and the top of the base plate 1 also gradually increases, the lifting platform 14 is further lifted, the right knife arm supporting seat 8 slides on the lower slide rail 5 through the lower slide block 7 while the included angle between the left knife arm 11 and the top of the base plate 1 changes, the upper slide block 12 also slides on the upper slide rail 13, the lifting platform 14 is lifted, and the infrared distance measuring sensor 17 measures the lifted height of the lifting platform 14, when the lifting height of the lifting platform 14 is reached, sensing is carried out, so that the hydraulic cylinder 15 stops working before the scissor lift rises to the highest position, and damage to the right knife arm 9 caused by the hydraulic cylinder 15 is reduced.

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. The utility model provides a cut stress application mechanism of formula machine of lifting, includes bed plate (1), its characterized in that: the top of the base plate (1) is sequentially provided with a controller (2), a hydraulic cylinder supporting seat (3), a left knife arm supporting seat (4), a lower sliding rail (5) and a limiting block (6) from left to right, the top of the lower sliding rail (5) is provided with a lower sliding block (7), the top of the lower sliding block (7) is provided with a right knife arm supporting seat (8), the top of the right knife arm supporting seat (8) is hinged with a right knife arm (9), the center of the right knife arm (9) is provided with a hinged seat (10), the right knife arm (9) is hinged with a left knife arm (11) through the hinged seat (10), the bottom of the left knife arm (11) is hinged with the left knife arm supporting seat (4), the top of the left knife arm (11) is hinged with an upper sliding block (12), the top of the upper sliding block (12) is provided with an upper sliding rail (13) and a lifting platform (14), and the bottom of the lifting platform (14) is connected with the upper sliding block (12) through the upper sliding rail (13), the bottom of lift platform (14) is articulated mutually with right knife arm (9), and right knife arm (9) is located the left side of last slide rail (13), the top of pneumatic cylinder supporting seat (3) articulates there is pneumatic cylinder (15), the top of pneumatic cylinder (15) articulates there is connecting seat (16), and connecting seat (16) is located the left side wall of right knife arm (9), connecting seat (16) are located the left side top of articulated seat (10), the right side wall of lift platform (14) is provided with infrared distance measuring sensor (17), and infrared distance measuring sensor (17) are located the left side of right knife arm (9), controller (2) electric connection pneumatic cylinder (15) and infrared distance measuring sensor (17) respectively.

2. A scissor lift force application mechanism as in claim 1, wherein: the distance between the connecting seat (16) and the top of the right knife arm (9) is one fourth of the length of the right knife arm (9).

3. A scissor lift force application mechanism as in claim 1, wherein: the distance between the left cutter arm supporting seat (4) and the hydraulic cylinder supporting seat (3) is one fourth of the length of the right cutter arm (9).