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The protection device for the pressure of the mixer truck and its water tank and gas storage cylinder

A technology for protection devices and mixer trucks, which is applied in transportation and packaging, braking transmissions, vehicle parts, etc., and can solve the problems of inability to guarantee the 5' brake of the gas storage cylinder, insufficient brake pressure of the gas storage cylinder, and reversing valves. Problems such as not placed, to achieve the effect of reducing low braking efficiency events, preventing explosions and insufficient braking pressure of the gas storage cylinder, and reducing the pressure bearing time

Active Publication Date: 2017-08-04
河北雷萨重型工程机械有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the above-mentioned device can only complete the step of pressurizing the water tank 9', and cannot ensure that the mixer truck does not pressurize the water tank 9' when it is running, and cannot ensure that the pressure of the gas storage cylinder 5' can meet the braking requirements. need
Moreover, during the operation of the mixer truck, it often happens that after the operator cleans the mixer truck, the reversing valve is not placed in the position where it should be, so that the water tank 9' is always in a pressurized state, resulting in explosion and gas storage in the water tank 9'. Insufficient brake air pressure of the bottle, etc.

Method used

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  • The protection device for the pressure of the mixer truck and its water tank and gas storage cylinder
  • The protection device for the pressure of the mixer truck and its water tank and gas storage cylinder
  • The protection device for the pressure of the mixer truck and its water tank and gas storage cylinder

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Embodiment Construction

[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0026] Refer below Figure 2 to Figure 7 The protection device for the pressure of the water tank and the gas cylinder of the mixer truck provided by the embodiment of the present invention will be described. The protection device can effectively prevent the explosion of the water tank and the phenomenon of insufficient braking air pressure of the gas storage cylinder.

[0027] Such as figure 2 As shown, the protection device for the water tank and gas cylinder pressure of the mixer truck in the embodiment of the present inven...

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Abstract

The invention provides a device for protecting a water tank and the pressure in an air cylinder of mixer. The device comprises a multi-way valve, a pressure sensor, a vehicle state acquisition unit, a controller and a reversing valve. The multi-way valve is installed at one end of the air cylinder of the mixer; the pressure sensor is used for acquiring pressure data of the air cylinder through the multi-way valve; the vehicle state acquisition unit is used for acquiring speed data of the mixer; the controller is used for receiving the pressure data and the vehicle state data, judging whether the mixer is in a static state or running state according to the vehicle state data, comparing the pressure data with a pressure threshold, and generating a control signal according to the comparison judgment result; the reversing valve is used for forming a loop of the air cylinder and the reversing valve when the mixer is in the running state, to stop pressurizing the water tank. The invention also provides the mixer. The water tank is not pressurized when the mixer is in the running state, thus air pressure in the air cylinder of a chassis can meet the braking pressure strength, so that the requirement for protecting the braking pressure of the air cylinder and the requirement for pressurizing and depressurizing of the water tank are met.

Description

technical field [0001] The invention relates to the technical field of mixer truck control, in particular to a mixer truck and a pressure protection device for a water tank and a gas storage cylinder of the mixer truck. Background technique [0002] The mixer truck in the related art realizes the pressurization of the water tank, all of which directly take the gas from the gas storage bottle of the chassis, or take the gas through a multi-way valve, and the gas enters the water tank through the one-way valve and the safety valve to achieve The purpose of pressurizing the tank. Such as figure 1 As shown, other in the gas cylinder 5 ' enters the water tank 9 ' through the one-way valve 6 ' and the safety valve 7 ', and the pressure gauge 8 ' can detect the pressure of the water tank 9 '. [0003] However, the above-mentioned device can only complete the step of pressurizing the water tank 9', and cannot ensure that the mixer truck does not pressurize the water tank 9' when i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T13/26B60T17/00B60T17/22
CPCB60T13/26B60T13/268B60T17/00B60T17/22
Inventor 张伟军冯立新张平田娟
Owner 河北雷萨重型工程机械有限责任公司
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