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Engine exhaust throttling device and method for auxiliary braking of heavy-duty trucks

A technology for auxiliary braking and trucks, applied in engine control, machine/engine, mechanical equipment, etc., can solve problems such as brake failure, safety hazards, brake failure, etc., and achieve the effect of avoiding brake failure

Inactive Publication Date: 2018-10-26
JIANGYIN POLYTECHNIC COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, when a conventional heavy-duty vehicle brakes for a long time on a long slope or at high speed, the brake pads will be overheated due to friction for a long time, which will easily cause problems such as brake failure and potential safety hazards; especially in summer, the weather is getting hotter and more and more Many vehicles have brake failure due to excessive brake drum temperature, which has caused a series of traffic accidents

Method used

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  • Engine exhaust throttling device and method for auxiliary braking of heavy-duty trucks

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Embodiment Construction

[0018] see figure 1 , the invention relates to an engine exhaust throttling device for auxiliary braking of heavy-duty trucks, the device includes an air storage tank 1, and the air storage tank 1 is connected to the column Plug mechanism 5, the plunger rod of the plunger mechanism 5 is connected with the rack of the rack and pinion transmission mechanism 6, and the central axis of the gear of the rack and pinion transmission mechanism 6 is connected with the throttle plate shaft 7, The throttle plate shaft 7 is connected with the exhaust throttle plate 8 installed in the exhaust pipe 9;

[0019] Specifically, the above-mentioned plunger mechanism 5 includes a housing, a plunger and a plunger rod. The plunger is slidably arranged in the cavity of the housing. One end of a return spring located in the cavity is connected to the top of the cavity, and the other end is connected to the column The upper surface of the plug is connected, the cavity of the housing is connected with...

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Abstract

The invention relates to an engine exhaust throttling device for auxiliary braking of a heavy truck and a method of the device. The device comprises an air cylinder (1) which is communicated with a plunger mechanism (5) through a one-way valve (2) and an electromagnetic valve (3), a plunger rod of the plunger mechanism (5) is connected with a rack of a gear and rack transmission mechanism (6), a central shaft of a gear of the gear and rack transmission mechanism (6) is connected with a throttle valve disc shaft (7), and the throttle valve disc shaft (7) is connected with an exhaust throttle valve disc (8) installed in an exhaust pipe (9). According to the engine exhaust throttling device for auxiliary braking of the heavy truck and the method of the device, auxiliary braking can be achieved through the exhaust resistance in the heavy truck braking process.

Description

technical field [0001] The invention relates to an auxiliary braking device and method, in particular to a device and method for auxiliary braking using an engine exhaust throttling device on a heavy-duty truck, and belongs to the technical field of traffic vehicles. Background technique [0002] At present, when a conventional heavy-duty vehicle brakes for a long time on a long slope or at high speed, the brake pads will be overheated due to friction for a long time, which will easily cause problems such as brake failure and potential safety hazards; especially in summer, the weather is getting hotter and more and more Many vehicles have brake failure due to excessive brake drum temperature, which has caused a series of traffic accidents. Contents of the invention [0003] The object of the present invention is to overcome the above disadvantages and provide an engine exhaust throttling device and method for auxiliary braking of heavy-duty trucks, which can use exhaust re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D9/06F02D9/10
CPCF02D9/06F02D9/10
Inventor 陈小龙
Owner JIANGYIN POLYTECHNIC COLLEGE
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