CN210163060U

CN210163060U - Lifting mechanism with auxiliary force device

Info

Publication number: CN210163060U
Application number: CN201920760818.1U
Authority: CN
Inventors: 邹建庭; 贾林; 贾雁雯
Original assignee: Mianyang Zhenhua Chang Sen Science And Technology Co Ltd
Current assignee: Mianyang Zhenhua Chang Sen Science And Technology Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-03-20
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a take lifting mechanism of auxiliary force device installs the auxiliary force device of two sets of symmetries on cutting fork lifting mechanism's the arm that lifts, the auxiliary force device is located lift arm one and lift between the arm two, by the piston seat, the piston rod, the briquetting, compression spring, the sleeve constitutes, the piston seat with lift two fixed connection of arm, the briquetting then with lift an arm fixed connection, the piston rod is fixed on the piston seat, the sleeve can freely slide from top to bottom outside the piston rod, compression spring one end is fixed on the piston seat, the other end is fixed on the sleeve. The utility model discloses can be used to all cut perpendicular lifting mechanism of fork, the effect is atress in the twinkling of an eye when reducing lifting mechanism and starting to make whole lifting mechanism more stable more light safer start-up, especially be used in hydraulic control cut fork lifting mechanism, the reduction hydraulic system operating pressure that can the great degree prolongs its life, reduction in manufacturing cost.

Description

Lifting mechanism with auxiliary force device

Technical Field

The utility model relates to a take lifting mechanism of auxiliary force device, cut fork lifting mechanism improvement technical field.

Background

With the development of society, urban domestic waste compression equipment is widely used, wherein buried waste compression transfer equipment is very popular, and scissor-fork type lifting mechanisms are commonly applied to the lifting of the buried waste compression transfer equipment.

In the prior art, the scissor type lifting mechanism has the following defects:

1. the structure is complex due to large stress, the thickness of the steel plate used for manufacturing is thick, and the consumption of materials is large;

2. the starting moment force is large, the working pressure of a hydraulic system is very high, the failure rate of equipment is high, and the maintenance rate is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the lifting mechanism with the auxiliary force device is provided, so that the problems in the prior art can be effectively solved.

The purpose of the utility model is realized by the following technical scheme: the utility model provides a take lifting mechanism of auxiliary force device, including cutting fork lifting mechanism, auxiliary force device, load, install the auxiliary force device of two sets of symmetries on cutting fork lifting mechanism's the arm that lifts, auxiliary force device is located and lifts between arm one and the arm two, by piston seat, the piston rod, the briquetting, compression spring, the sleeve constitutes, piston seat and two fixed connection of arm that lift, the briquetting then with lift arm one fixed connection, the piston rod is fixed on the piston seat, the sleeve can freely slide from top to bottom outside the piston rod, compression spring one end is fixed on the piston seat, the other end is fixed on the sleeve. The scissor-type lifting mechanism is started and assisted by the counterforce of the compression spring, so that the starting force required by starting is greatly reduced.

Preferably, two auxiliary force devices are arranged on one scissor type lifting mechanism.

Preferably, when the scissor-type lifting mechanism is in an original state without being lifted, the pressing block presses the upper surface of the sleeve.

Preferably, the compression spring is in a compressed state when the scissor lift mechanism is in an un-lifted home state.

As a preferred mode, when the scissor type lifting mechanism is lifted to a certain state, the pressing block is separated from the contact surface of the sleeve.

Compared with the prior art, the utility model relates to a take lifting mechanism of auxiliary force device's beneficial effect does:

1. the working pressure of the hydraulic system is reduced, the service life of the hydraulic system is prolonged, and the maintenance rate of the hydraulic system is reduced;

2. the manufacturing material and the cost are saved;

3. the safety support function when the lifting mechanism is lowered to the lowest is achieved;

4. simple structure, the practicality is strong.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a detailed structural view of the auxiliary device of the present invention.

In the figure: the device comprises a scissor type lifting mechanism 1, an auxiliary force device 2, a load 3, a lifting arm I4, a pressing block 5, a sleeve 6, a compression spring 7, a piston rod 8, a piston seat 9 and a lifting arm II 10.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

All of the features disclosed in this specification, or all of the steps of any method or process so disclosed, may be combined in any combination, except features and/or steps which are mutually exclusive, unless expressly stated otherwise, with other alternative features which are equivalent or similar in purpose, i.e. each feature may be an embodiment in any single series of equivalent or similar features unless expressly stated otherwise.

As shown in fig. 1-2, the utility model relates to a take lifting mechanism of auxiliary force device, including cutting fork lifting mechanism 1, auxiliary force device 2, load 3, install the auxiliary force device 2 of two sets of symmetries on cutting fork lifting mechanism 1's the arm that lifts, auxiliary force device 2 is located and lifts between arm 4 and the arm 10, by piston seat 9, piston rod 8, briquetting 5, compression spring 7, sleeve 6 constitutes, piston seat 9 and two 10 fixed connection of arm that lift, briquetting 5 then with lift arm 4 fixed connection, piston rod 8 fixes on piston seat 9, sleeve 6 can freely slide from top to bottom outside piston rod 8, compression spring 7 one end is fixed on piston seat 9, the other end is fixed on sleeve 6.

Specifically, the method comprises the following steps:

when the scissor type lifting mechanism 1 is in the original forbidden state, the compression spring 7 in the auxiliary force device 2 is in a compression state, so that the lifting arms I4 and II 10 are subjected to two acting forces in opposite directions, so that the two acting forces have the tendency of moving in opposite directions, but the two acting forces are smaller than the gravity of the load 3, so that the lifting arms I4 and II do not really rotate, but the two acting forces can counteract a part of the gravity of the load 3, so that the force required for starting the scissor type lifting mechanism 1 is far smaller than the force without the auxiliary force device 2.

The utility model discloses a work flow:

1. starting: when the scissor type lifting mechanism 1 is started, the first lifting arm 4 and the second lifting arm 10 rotate, the scissor type lifting mechanism 1 lifts the load 3 upwards, and at the starting moment, the compression spring 7 supplies elastic force to the first lifting arm 4 and the second lifting arm 10, so that the lifting is easier.

2. Operation: the scissor type lifting mechanism 1 performs lifting action, the compression spring 7 naturally extends, the sleeve 6 slides upwards along the piston rod 8, when the scissor type lifting mechanism is lifted to a certain height, the compression spring 7 extends to a non-compression state, the sleeve 6 is prohibited to move, the pressing block 5 is separated from the contact surface of the sleeve 6, and the scissor type lifting mechanism 1 continues to lift upwards to a required height.

3. And (3) descending: and controlling the scissor type lifting mechanism 1 to descend, when the scissor type lifting mechanism 1 reaches a certain height, the pressing block 5 is in contact with the sleeve 6, the compression spring 7 contracts along with the continuous descending of the scissor type lifting mechanism 1, the sleeve 6 slides downwards along the piston rod 8 until the scissor type lifting mechanism 1 descends to the lowest initial position, and all the components are reset.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a take lifting mechanism of auxiliary force device, including cutting fork lifting mechanism (1), auxiliary force device (2), load (3), install two sets of symmetrical auxiliary force device (2) on the arm of lifting of cutting fork lifting mechanism (1), auxiliary force device (2) are located lift arm (4) and lift between arm two (10), by piston seat (9), piston rod (8), briquetting (5), compression spring (7), sleeve (6) constitute, piston seat (9) and two (10) fixed connection of arm lift, briquetting (5) then with lift arm (4) fixed connection, piston rod (8) are fixed on piston seat (9), sleeve (6) can freely slide from top to bottom outside piston rod (8), compression spring (7) one end is fixed on piston seat (9), the other end is fixed on sleeve (6).

2. A lifting mechanism with a power assist as claimed in claim 1, wherein: two auxiliary force devices (2) are arranged on one scissor type lifting mechanism (1).

3. A lifting mechanism with a power assist as claimed in claim 1, wherein: when the scissor-type lifting mechanism (1) is in an original state without lifting, the pressing block (5) presses the upper surface of the sleeve (6).

4. A lifting mechanism with a power assist as claimed in claim 1, wherein: when the scissor-type lifting mechanism (1) is in an original state without lifting, the compression spring (7) is in a compression state.

5. A lifting mechanism with a power assist as claimed in claim 1, wherein: when the scissor lifting mechanism (1) is lifted to a certain state, the contact surface of the pressing block (5) and the sleeve (6) is separated.