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Reliable forklift braking device

A brake device and forklift technology, which is applied in the direction of brake transmission device, hydraulic brake transmission device, brake, etc., can solve the problems of brake deviation, different oil pressure of left and right brakes, dragging and other problems

Inactive Publication Date: 2015-11-04
LIUZHOU LIUPIN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The hydraulic oil produced by the existing forklift brake pump is supplied to each circuit, the oil pressure of the left and right brakes is different, and the phenomenon of brake deviation and dragging occurs.

Method used

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  • Reliable forklift braking device
  • Reliable forklift braking device

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Embodiment Construction

[0011] A reliable braking device for a forklift. The forklift includes two hydraulic brake circuits, each of which is provided with a brake pump, including a double pump composed of two brake pumps. The pump includes a double pump body 1 and two hydraulic chambers, each hydraulic chamber includes a hydraulic piston assembly 4 and a push rod assembly 10; a balance check valve is provided on the side of the two hydraulic chambers, and the balance check valve The direction valve includes a steel ball 5 and a spring 6. The force direction of the spring 6 is from the outside to the inside of the hydraulic chamber, and the steel ball 5 is blocked on the taper hole on the side wall of the double pump body 1, between the two balance check valves. An elongated connection hole 11 is provided, and the processed orifice is blocked by a connection hole plug 12 . Both ends of the connecting hole 11 communicate with the space on the opening side of the balance check valve respectively.

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PUM

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Abstract

The invention provides a reliable forklift braking device. The reliable forklift braking device comprises a double pump, wherein the double pump consists of two braking pumps and comprises a double pump body and two hydraulic cavities, and each of the hydraulic cavities comprises a hydraulic piston assembly and a pushing rod assembly; one balanced one-way valve is arranged on one side of each of the hydraulic cavities, the balanced one-way valve comprises steel balls and springs, the directions of the applied force of the springs are from outside to inside of the hydraulic cavities, and the steel balls are blocked in taper holes in the side wall of the double pump body; a lathy connecting hole is formed between the two balanced one-way valves, and two ends of the connecting hole are communicated with a space in the opening side of each of the balanced one-way valves. When one cavity is leaked or damaged, the steel balls cannot be jacked, so that two completely isolated cavities are formed, namely that when one loop is damaged, the independent normal operation of the other loop is not influenced

Description

technical field [0001] The invention relates to a reliable forklift braking device, which belongs to the technical field of machinery. Background technique [0002] The hydraulic oil produced by the existing forklift brake pump is supplied to the respective circuits, and the oil pressure of the left and right brakes is different, causing brake deviation and dragging. Contents of the invention [0003] The invention provides a reliable lifting mechanism for a brake device of a forklift, which can overcome the above-mentioned current situation. [0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a reliable forklift brake device, the forklift includes two hydraulic brake circuits, each of the hydraulic brake circuits is provided with a brake pump, including A duplex pump composed of two brake pumps, the duplex pump includes a duplex pump body (1) and two hydraulic chambers, each hydraulic chamber includes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T11/20
CPCB60T11/203
Inventor 潘承民梁远雄
Owner LIUZHOU LIUPIN TECH