CN214837528U

CN214837528U - Large-scale hydraulic press overhauls equipment

Info

Publication number: CN214837528U
Application number: CN202121458916.3U
Authority: CN
Inventors: 冯延军; 吴忠; 石旻磊; 彭林林
Original assignee: Sichuan Dihua Automobile Technology Co ltd
Current assignee: Sichuan Dihua Automobile Technology Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-11-23
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a large-scale hydraulic press maintenance device, which comprises an electromagnetic valve end, a remote control terminal and a state monitoring terminal; the electromagnetic valve end comprises a plurality of electromagnetic valves for high pressure, auxiliary high pressure, fast descending, slow descending, return stroke and slide block support control of the hydraulic machine; the state monitoring terminal is provided with a controller and a plurality of wireless intermediate relay units; the controller is connected with the plurality of wireless intermediate relay units; the remote control terminal is in wireless communication connection with the wireless intermediate relay unit; the output end of the wireless intermediate relay unit is connected with the electromagnetic valve end. The utility model discloses can be effective, accurate detection out equipment trouble point, can single completion detect, use under the not enough condition of maintenance personal is particularly suitable for.

Description

Large-scale hydraulic press overhauls equipment

Technical Field

The utility model relates to an overhaul equipment technical field especially relates to large-scale hydraulic press overhaul equipment.

Background

Large-scale hydraulic press equipment is generally installed hydraulic tank and hydraulic pressure station at the top of hydraulic press, and the electrical control cabinet is installed on the ground of being close to equipment again, because the noise of equipment itself is very big, traditional mode is by shouting exactly, and when the maintenance personal on the platform conveyed the instruction to the ground personnel, can't carry out effectual communication with ground personnel, leads to overhauing the difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a large-scale hydraulic machine maintenance device, which comprises an electromagnetic valve end, a remote control terminal and a state monitoring terminal; the electromagnetic valve end comprises a plurality of electromagnetic valves for high pressure, auxiliary high pressure, fast descending, slow descending, return stroke and slide block support control of the hydraulic machine; the state monitoring terminal is provided with a controller and a plurality of wireless intermediate relay units; the controller is connected with the plurality of wireless intermediate relay units; the remote control terminal is in wireless communication connection with the wireless intermediate relay unit; the output end of the wireless intermediate relay unit is connected with the electromagnetic valve end.

Preferably, the electromagnetic valve end comprises a hydraulic machine return electromagnetic valve, a system high-pressure electromagnetic valve, an auxiliary high-pressure electromagnetic valve, a hydraulic machine fast-descending electromagnetic valve, a hydraulic machine slow-descending electromagnetic valve and a hydraulic machine slide block supporting electromagnetic valve.

Preferably, the wireless intermediate relay unit comprises a wireless transceiver module and an intermediate relay; the wireless transceiver module is connected with the normally closed contact of the intermediate relay; the controller is connected with a normally open contact of the intermediate relay; the output end of the intermediate relay is connected with the electromagnetic valve end.

Preferably, the remote control terminal comprises a wireless transceiving module which is 433M wireless communication module; and the 433M wireless communication module is connected with the normally closed contact of the intermediate relay.

Preferably, the state monitoring terminal further comprises a display connected with the controller.

The beneficial effects of the utility model reside in that: the utility model discloses can be effective, accurate detection out equipment trouble point, can single completion detect, use under the not enough condition of maintenance personal is particularly suitable for.

Drawings

FIG. 1 is a schematic diagram of the present invention;

fig. 2 is a wiring diagram of the controller and the wireless intermediate relay unit.

In the figure: KA-intermediate relay; j-wireless intermediate relay unit; z-solenoid valve.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in attached figure 1, the utility model discloses large-scale hydraulic press overhauls equipment, including solenoid valve end, remote control terminal and state monitor terminal; the electromagnetic valve end comprises a plurality of electromagnetic valves for high pressure, auxiliary high pressure, fast descending, slow descending, return stroke and slide block support control of the hydraulic machine; the state monitoring terminal is provided with a controller and a plurality of wireless intermediate relay units; the controller is connected with the plurality of wireless intermediate relay units; the remote control terminal is in wireless communication connection with the wireless intermediate relay unit; the output end of the wireless intermediate relay unit is connected with the electromagnetic valve end.

The utility model discloses a remote control terminal through remote control button remote control, whether the action that every work step of inspection hydraulic press corresponds is normal, whether the operating voltage of inspection solenoid valve is normal, prevents to have the output and the solenoid valve coil does not switch on the inoperative condition.

As shown in the attached figure 2, the specific working process of the utility model is as follows:

s1, the maintainer finds the intermediate relay controlling each electromagnetic valve in the control cabinet of the equipment;

s2, establishing a corresponding table between the keys of the remote control terminal and each electromagnetic valve of the hydraulic machine, wherein the keys 1-6 correspond to each other:

1# -system high pressure solenoid valve YV-1;

2# -auxiliary system high pressure solenoid valve YV-2;

3# -hydraulic press return electromagnetic valve YV-3;

4# -hydraulic press fast-descending electromagnetic valve YV-4;

5# -hydraulic press slow down electromagnetic valve YV-5;

6# -hydraulic press slide block supporting electromagnetic valve YV-6;

through the setting, the high pressure, the auxiliary high pressure, the return stroke, the fast descending, the slow descending and the supporting of the slide block of the manual remote control hydraulic machine are realized;

s3, code matching between the remote control terminal and the state monitoring terminal:

each output channel of the state monitoring terminal is connected with a normally open contact of an intermediate relay and is used for controlling the state of the electromagnetic valve end;

the state monitoring terminal is also synchronously controlled by a handle of the remote controller, when the state monitoring terminal receives a signal (315MHZ) of a channel No. 1 conducted by the remote control terminal, the state monitoring terminal controls the conduction of the channel No. 1, and the channels No. 2-6 are in the same way;

ensuring that the working states of the electromagnetic valve end and the control channels of the state monitoring terminals 1 to 6 are closed; powering off the electromagnetic valve end and the state monitoring terminal at the same time and then powering on to complete initialization; pressing 1 to 6 keys of the remote control terminal for testing to ensure that 1 to 6 channels of the electromagnetic valve end and the state monitoring terminal can be opened or closed simultaneously;

s4, finding out the intermediate relay to be replaced, pulling out the intermediate relay, inserting the code-matched wireless intermediate relay unit, and carrying out power-on test on the ground to ensure that the hydraulic equipment has no abnormal condition after the high voltage of the equipment system is established; a group of normally open contacts of an intermediate relay of the wireless intermediate relay unit are connected to the PLC, and a group of normally closed contacts of the intermediate relay are connected to the 433M wireless communication module;

s5, a maintenance person carries the remote controller terminal handle and the state monitoring terminal to the platform high point of the equipment to overhaul the integrated liquid station;

the fault point of the equipment to be repaired is judged by opening or closing the corresponding electromagnetic valve through remote control, such as the process of establishing the high pressure of a hydraulic press system: pressing the key 1 to establish high pressure of a hydraulic press system, and closing an intermediate relay connected with a high-pressure electromagnetic valve of the system; after the high pressure of the hydraulic press system is established, the working state is synchronously displayed on a state monitoring terminal, and a high-pressure electromagnetic valve of the system is electrified and closed; the system high pressure is 0MPA before the electromagnetic valve is electrified, and the system high pressure is 25MPA after the electromagnetic valve is electrified.

The utility model selects the installation of the intermediate relay connected with the electromagnetic valve of the hydraulic machine to be overhauled; replacing an intermediate relay of the electromagnetic valve to be overhauled with a wireless intermediate relay unit with a wireless transceiving function; the multi-path control terminal is remotely controlled through a handle of the industrial remote controller, so that the electromagnetic valve to be overhauled is controlled; the maintainer can whether the corresponding solenoid valve moves of remote monitoring to whether accurate judgement breaks down.

The detection device mainly performs fault judgment through three aspects:

(1) pressing a button of the remote controller, and if a coil indicator lamp on the hydraulic electromagnetic valve is on, indicating that the power supply of the hydraulic electromagnetic valve is normal; otherwise, the hydraulic electromagnetic valve works abnormally;

(2) pressing a button of a remote controller, and if the system pressure of the hydraulic machine reaches a certain value, such as 20MPA, judging that the hydraulic electromagnetic valve works normally; otherwise, the hydraulic electromagnetic valve works abnormally;

(3) when the buttons 1, 2 and 3 of the remote controller are pressed, if the three electromagnetic valves can be electrified normally, the hydraulic press slide block is quickly lowered, the operation is normal, and if the hydraulic press slide block is not quickly lowered, the operation of one or more electromagnetic valves is not normal.

The utility model discloses can be effective, accurate detection out equipment trouble point, can single completion detect, use under the not enough condition of maintenance personal is particularly suitable for.

The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.

Claims

1. The large-scale hydraulic press overhauling equipment is characterized by comprising an electromagnetic valve end, a remote control terminal and a state monitoring terminal; the electromagnetic valve end comprises a plurality of electromagnetic valves for high pressure, auxiliary high pressure, fast descending, slow descending, return stroke and slide block support control of the hydraulic machine; the state monitoring terminal is provided with a controller and a plurality of wireless intermediate relay units; the controller is connected with the plurality of wireless intermediate relay units; the remote control terminal is in wireless communication connection with the wireless intermediate relay unit; the output end of the wireless intermediate relay unit is connected with the electromagnetic valve end.

2. The large-scale hydraulic press overhauling equipment according to claim 1, wherein the electromagnetic valve end comprises a hydraulic press return electromagnetic valve, a system high-pressure electromagnetic valve, an auxiliary high-pressure electromagnetic valve, a hydraulic press fast descending electromagnetic valve, a hydraulic press slow descending electromagnetic valve and a hydraulic press slide block supporting electromagnetic valve.

3. The large hydraulic machine overhaul equipment as claimed in claim 1 wherein the wireless intermediate relay unit comprises a wireless transceiver module and an intermediate relay; the wireless transceiver module is connected with the normally closed contact of the intermediate relay; the controller is connected with a normally open contact of the intermediate relay; the output end of the intermediate relay is connected with the electromagnetic valve end.

4. The large hydraulic machine overhauling equipment according to claim 3, wherein the remote control terminal comprises a wireless transceiver module which is a 433M wireless communication module; and the 433M wireless communication module is connected with the normally closed contact of the intermediate relay.

5. The large hydraulic machine servicing apparatus of claim 1, wherein the condition monitoring terminal further comprises a display connected to the controller.