Electric control box for hydraulic circuit reversing

Abstract

The utility model discloses a hydraulic circuit reversing electric control box which comprises a box body connected with a hydraulic circuit, and an electromagnetic valve, an infinite loop time relay capable of controlling a valve core of the electromagnetic valve and a circuit breaker are arranged in the box body. The electromagnetic valve is connected with the circuit breaker; a power supply selection switch is arranged on the outer wall of the box body; the power supply selection switch is connected with the infinite loop time relay; the infinite loop time relay body is provided with a device for setting the loop time and the number of times. Automatic reversing of a hydraulic circuit is achieved through different positions of the valve element, manual reversing is replaced with an electric control mode, so that the assembling risk is reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the engine cold test equipment assembly field, concretely relates to a hydraulic circuit electric control box. BACKGROUND

[0002] Engine as the core component of the automobile, its assembly quality directly influences the whole car performance, at the end of engine production line, usually has the cold test equipment to carry out the detection to engine assembly quality, engine cold test equipment is more and more applied to engine assembly line terminal detection, therefore, the stability of cold test equipment directly influences the production efficiency of assembly line.

[0003] Hydraulic circuit as a part of engine cold test equipment, its function is to clamp and position engine, complete the preparation work before testing. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem, provide a kind of reversing electric control box for the hydraulic circuit reversing.

[0005] The utility model discloses a kind of hydraulic circuit reversing electric control boxes, including the box body connected with hydraulic circuit, electromagnetic valve is equipped in the box body, the infinite cycle time relay and circuit breaker of the electromagnetic valve spool can be controlled;

[0006] The electromagnetic valve is connected with circuit breaker;Power supply selection switch is equipped on the outer wall of the box body, and the power supply selection switch is connected with the infinite cycle time relay;The device for setting cycle time and number of times is equipped on the body of the infinite cycle time relay.

[0007] According to the utility model of a kind of hydraulic circuit reversing electric control box, wherein, the infinite cycle time relay and circuit breaker are fixed on the inner wall of the box body.

[0008] According to the utility model of a kind of hydraulic circuit reversing electric control box, wherein, the power supply selection switch is knob type.

[0009] According to the utility model of a kind of hydraulic circuit reversing electric control box, wherein, the power supply selection switch and the infinite cycle time relay are arranged on the same side of the box body wall.

[0010] According to the utility model of a kind of hydraulic circuit reversing electric control box, wherein, the hydraulic circuit and electric control box box body are connected by two air pipes.

[0011] The utility model has the advantages of:

[0012] 1、The electric control box of the utility model is the auxiliary tool of assembly hydraulic circuit, replaces manual reversing with electric control mode, to reduce assembly risk, improve work efficiency;

[0013] 2、Hydraulic circuit reversing time can be self-adjusting, according to the assembly process set infinite cycle time relay cycle time, and then control the spool position of the solenoid valve, so as to realize the automatic reversing of the hydraulic circuit, which can adapt to different assembly conditions. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Cold test equipment drive mechanism hydraulic circuit.

[0015] Figure 2 Is the hydraulic circuit reversing electric control box.

[0016] In the figure, A. Gas-liquid booster, B. Rotary oil cylinder, 1. Box, 2. Solenoid valve, 3. Infinite cycle time relay, 4. Circuit breaker. DETAILED DESCRIPTION

[0017] The specific embodiments of the utility model will be described in further detail below in combination with the drawings.

[0018] Figure 1 Is the cold test equipment drive mechanism hydraulic circuit schematic diagram, which shows the gas-liquid booster A and rotary oil cylinder B. The electric control box body is connected with the hydraulic circuit through two gas pipes. The electric control box body is connected to Figure 1 The position of the gas-liquid booster A in the hydraulic circuit. The pipeline between the gas-liquid booster A and the rotary oil cylinder B is a complete hydraulic circuit.

[0019] As Figure 2 shown, it is a kind of hydraulic circuit reversing electric control box of the utility model, including box and each component in the box. The box is also provided with box cover.

[0020] Component 2 solenoid valve, component 3 infinite cycle time relay and component 4 circuit breaker are fixed on the inner wall of component 1 box. Infinite cycle time relay 3 can control the spool of the solenoid valve 2;Solenoid valve 2 is connected with circuit breaker 4.

[0021] Power supply selection switch is arranged on the outer wall of box 1, and the power supply selection switch is connected with the infinite cycle time relay 3 and fixed on the same side wall of the box.

[0022] Infinite cycle time relay 3 body is provided with the button of setting cycle time and number, which can be used to set cycle time and number, control solenoid valve 2.

[0023] Engine cold test equipment hydraulic circuit assembly process flow is:

[0024] According to the assembly process, the cycle time and number of times of the infinite cycle time relay 3 are set through the buttons for setting time and number of times on the body of the infinite cycle time relay 3, and then the spool position of the solenoid valve of the control component 2 (the solenoid valve is a reversing valve), the frequency and number of times of the action of the reversing valve are controlled, and then the fluid flow direction in the hydraulic circuit is controlled. For example, the flow direction is changed every 5 seconds, and the total number of changes is 6.

Claims

1. An electric control box for hydraulic circuit commutation, comprising a box (1) connected to a hydraulic circuit, characterized in that: The box (1) is internally provided with an electromagnetic valve (2), an unlimited cycle time relay (3) and a circuit breaker (4) for controlling the valve core of the electromagnetic valve (2); The electromagnetic valve (2) is connected with the circuit breaker (4); the box (1) is externally provided with a power supply selection switch, which is connected with the unlimited cycle time relay (3); the unlimited cycle time relay (3) is externally provided with a device for setting cycle time and number.

2. An electric control box for hydraulic circuit commutation according to claim 1, characterized in that: The unlimited cycle time relay (3) and the circuit breaker (4) are fixed on the inner wall of the box (1).

3. An electric control box for hydraulic circuit commutation according to claim 1, characterized in that: The power supply selection switch is of a knob type.

4. An electric control box for hydraulic circuit commutation according to claim 1, characterized in that: The power supply selection switch and the unlimited cycle time relay (3) are arranged on the same side of the box wall.

5. An electric control box for hydraulic circuit commutation according to claim 1, characterized in that: The hydraulic circuit is connected with the box (1) through two air pipes.

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