CN208951657U - A kind of CST hydrodynamic lubrication oil cooler - Google Patents

Abstract

The utility model discloses a kind of CST hydrodynamic lubrication oil coolers, including the temperature sensor being arranged in CST driving box, the output end of temperature sensor is connect with PLC, the output end of PLC and the input terminal of switch connect, the output end of switch is connect with motor-driven valve, and the water inlet of cooler is arranged in motor-driven valve, and oil pipe and cooling water pipe is arranged in cooler, oil pipe entrance is connect with the oil outlet of CST driving box, and oil pipe outlet is connect with the oil inlet of CST driving box.Temperature is transmitted to PLC by temperature sensor, and PLC according to circumstances passes through switch control motor-driven valve and opens.Guarantee the relatively reliable stabilization of equipment operation, while extending the service life of equipment, greatly reduces the waste of water resource.

Description

A kind of CST hydrodynamic lubrication oil cooler

Technical field

The utility model belongs to cooling technology field, and in particular to a kind of CST hydrodynamic lubrication oil cooler.

Background technique

The main belt conveyer head of underground coal mine, which is generally adopted, is water-cooled CST hydraulic lubricant oil, and CST hydraulic lubricant oil generally uses wind Cold form is cooled down, but cooling fan cooling fin is easy to be blocked by coal slime, causes cooling effect poor, cooling effect is by environment shadow Sound is larger.And adopt when being water-cooled, although the shortcomings that overcoming air cooling, the size of cooling water flow is inconvenient to control, Water resource waste is extremely serious；Meanwhile the state less stable of CST, sometimes because temperature is excessively high or it is too low due to cause to shut down. In production process, CST oil temperature can change with the size of coal amount, it is therefore desirable to which operator adjusts according to temperature variations Whole valve size controls cooling water start-stop, guarantees that the oil temperature of CST keeps certain range.It is inconvenient in this way, and exist Certain hysteresis quality.

Summary of the invention

The utility model provides a kind of CST hydrodynamic lubrication oil cooler, in production process, by the oil of CST driver Temperature is maintained in setting range.

In order to achieve the above objectives, a kind of CST hydrodynamic lubrication oil cooler described in the utility model includes cooler, cooling The water inlet of device is provided with motor-driven valve, and oil pipe is arranged in cooler and cooling water pipe, oil pipe entrance are fuel-displaced with CST driving box Mouth connection, oil pipe outlet are connect with the oil inlet of CST driving box.

It further, further include the temperature sensor being arranged in CST driving box, the output end and PLC of temperature sensor Connection, the output end of PLC and the input terminal of switch connect, and the output end of switch is connect with motor-driven valve.

Further, it switchs as packet type switch, the relay including several parallel connections, the control of relay coil and PLC Point output module is connected with power supply, and the starter node of different relays is connected from different motor-driven valves respectively, the return of relay Node is connect with the control point input module of PLC, and the coil of four relays is connect with power module.

Further, fuse is provided in switch, fuse is connect with power module.

Further, the water inlet of cooler is provided with bypass cooling water pipe, bypasses and is provided with bypass valve on cooling water pipe, Bypass valve is in close state in original state.

Further, the water inlet of cooler and oil pipe outlet setting be in cooler upper surface, the water outlet of cooler and The lower end surface of cooler is arranged in oil pipe entrance.

Further, the oil outlet of CST driving box is connected by the oil pipe of cooling oil pump and cooler.

Further, the water inlet of cooler is connect with supply line, and water outlet is connect with sebific duct.

Further, cooler is panel cooler.

Compared with prior art, the utility model at least has a technical effect beneficial below, and temperature sensor is by temperature It is transmitted to PLC, PLC according to circumstances passes through switch control motor-driven valve and opens.Guaranteeing the relatively reliable stabilization of equipment operation, extension is set While standby service life, the waste of water resource is greatly reduced.

Further, pipeline and bypass valve be set, and when motor-driven valve failure does not influence equipment normal operation.

Further, the water inlet of cooler and oil pipe outlet setting be in cooler upper surface, the water outlet of cooler and The lower end surface of cooler is arranged in oil pipe entrance, improves cooling efficiency.

Further, the water inlet of cooler is connect with supply line, water outlet connection rubber tube, can be spraying as head Water source is immediately directed against ditch outlet.

Further, it switchs as packet type switch, the relay including several parallel connections, the control of relay coil and PLC Point output module is connected with power supply, and the starter node of different relays is connected from different motor-driven valves respectively, the return of relay Node is connect with the control point input module of PLC, and the coil of four relays connects power module, each motor-driven valve independent control The switch of the cooler water inlet of CST driving box, each other without influence.

Detailed description of the invention

Fig. 1 is utility model diagram；

Fig. 2 is cooling device working principle diagram；

Fig. 3 is the utility model pipeline connecting figure；

Fig. 4 is the internal circuit diagram of switch.

In attached drawing: 1, CST driving box, 2, temperature sensor, 3, cooler, the 31, first cooler, the 3, second cooler, 3, third cooler, the 34, the 4th cooler, 4, motor-driven valve, the 41, first motor-driven valve, the 42, second motor-driven valve, 43, third it is electronic Valve, the 44, the 4th motor-driven valve, 5, bypass valve, the 51, first bypass valve, the 52, second bypass valve, 53, third bypass valve, 54, the 4th bypass valve, 6, cooling oil pump, 7, PLC, 8, switch, 9, bypass cooling water pipe, the 91, first bypass cooling water pipe, 92, the second bypass cooling water pipe, 93, third bypass cooling water pipe, the 94, the 4th bypass cooling water pipe, 10, supply line, 11, master Motor.

Specific embodiment

The utility model is described in detail with reference to the accompanying drawings and detailed description.

The orientation or position of the instructions such as term " on ", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outside" Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, and It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore It should not be understood as limiting the present invention.

Referring to Figures 1 and 2, a kind of CST hydrodynamic lubrication oil cooler includes the temperature sensing being arranged in CST driving box Device 2, CST driving box are connect with main motor 10, PLC7, stacked switch 8 and cooler, wherein the output end of temperature sensor 2 with The output end of PLC connection, PLC is connect with the input terminal of switch 8, and the output end of switch 8 is connect with motor-driven valve 4, and motor-driven valve 4 is arranged In the water inlet of cooler 3, the water inlet of cooler 3 is connect by bypassing cooling water pipe 9 with supply line, bypasses cooling water Bypass valve 5 is provided on pipe, bypass valve 5 is in close state in original state.The oil of circulation CST oil is provided in cooler 3 The cooling water pipe of pipe and circulation cooling water, oil stream direction and water (flow) direction are opposite.The oil outlet and cooling oil pump 6 of CST driving box Connection, the oil exit pipe of cooling oil pump 6 are connect with the oil inlet of cooler 3, and the oil return opening of cooler 3 is connect with CST oil return pipe, cold But the oil inlet of device 3 is connect with oil return opening by oil pipe, and the water inlet of cooler 3 is connect with supply line 10, water outlet connection Sebific duct can be sprayed water source or be immediately directed against ditch outlet as head, and inlet and outlet are connected by cooling water pipe.

Wherein, cooler 3 is panel cooler.Wherein, it sets in PLC when the temperature in CST driving box reaches 55 DEG C Output-starting point and be lower than 45 DEG C of output-cut-off points.

The working principle of the present apparatus is as follows:

Referring to Fig. 2, the oil in CST driving box is extracted into the oil pipe pipe in cooler by cooling oil pump, and temperature sensor 2 is real When monitoring and to PLC transmitting CST driving box in oil temperature, when oil temperature reaches 55 DEG C, PLC output starting point, close switch 8 It closes, opens motor-driven valve 4, cooling water circulation, cooler is started to work, cooled down to the oil to circulate in cooler oil pipe, cooling Oil afterwards returns in CST driving box, reduces the oil temperature of CST driving box；When oil temperature is less than 55 DEG C, PLC output starting point makes Switch 8 is opened, and motor-driven valve 4 is closed, and cooler stops working, and saves water resource.I.e. temperature up to 45 DEG C when open cooling water, be lower than 45 DEG C are cut off the water, so that CST driving box oil temperature be made to be maintained between 45 DEG C~55 DEG C.When the automatic start-stop device of cooling water works as motor-driven valve When failure, bypass valve is opened, makes cooling water constant flow, achievees the purpose that cooling.

The manufacturing process of the present apparatus is as follows:

The start-stop device first modifies the working procedure of PLC, and PLC program in CST controller is revised as temperature and reaches 55 DEG C When output-starting point and be lower than 45 DEG C of output-cut-off points.Motor-driven valve is installed additional in the panel cooler water inlet of sealing-tape machine head, Motor-driven valve is connected with miniature four stacked switch that CST control cabinet controls, controls miniature four groups using starting point and cut-off point Combination switch switches on and off, and realizes the opening and closing of motor-driven valve, so that oil temperature is maintained between 45 DEG C~55 DEG C.

Embodiment 1

Referring to Fig. 3, in the present embodiment, share 4 CST driving box, each CST driving box be equipped with a temperature sensor, One cooling oil pump and a cooler 3, the water inlet of each cooler are respectively provided with a motor-driven valve 4 and bypass cooling water pipe 9, it bypasses and is provided with the shared PLC of 5,4 CST driving box of bypass valve on cooling water pipe 9, each relay controls a cooling The cooling water of device circulates, specific as follows:

A kind of CST driving box oil temperature cooling device, including be separately positioned on the first of first to fourth CST driving box kind to The output end of 4th temperature sensor 2, first to fourth temperature sensor 2 is connect with the input terminal of PLC, the control point of PLC Output module is connect with the coil of first to fourth relay J1~J4 in switch 8 respectively, and first to fourth relay J1 is extremely Starter node J1-1~J4-1 of J4 is connect with first to fourth motor-driven valve 41~44 respectively, first to fourth relay J1 to J4 Return node J1-2~J4-2 connect with the control point input module of PLC, the coil of first to fourth relay J1~J4 Connect 24V power module.

First to fourth motor-driven valve 41~44 is separately positioned on the water inlet of first to fourth cooler 31~34, and first First to fourth bypass cooling water pipe 91~94 is respectively arranged with to the water inlet of the 4th cooler 31~34, first to fourth First to fourth bypass valve 51~54 is respectively arranged on bypass cooling water pipe 91~94.

Switch 8 is formed referring to Fig. 4, first to fourth relay J1 to J4 and 24V power module, switch 8 is four groups and runs jointly It closes, 24V power module is connected with insurance F.

Claims (9)

1. a kind of CST hydrodynamic lubrication oil cooler, which is characterized in that including cooler (3), the water inlet of cooler (3) It is provided with motor-driven valve (4), setting oil pipe and cooling water pipe in cooler (3), the oil outlet of oil pipe entrance and CST driving box connects It connects, oil pipe outlet is connect with the oil inlet of CST driving box.

2. a kind of CST hydrodynamic lubrication oil cooler according to claim 1, which is characterized in that further include being arranged in CST The output end of temperature sensor (2) in driving box, temperature sensor (2) is connect with PLC (7), the output end of PLC (7) with open The input terminal connection of (8) is closed, the output end of switch (8) is connect with motor-driven valve (4).

3. a kind of CST hydrodynamic lubrication oil cooler according to claim 2, which is characterized in that switch (8) is combined type The control point output module and power supply of switch, the relay including several parallel connections, relay coil and PLC connect, different relays The starter node of device is connected from different motor-driven valve (4) respectively, the return node of relay with the control point input module of PLC Connection, the coil of four relays are connect with power module.

4. a kind of CST hydrodynamic lubrication oil cooler according to claim 3, which is characterized in that be provided in switch (8) Fuse, fuse are connect with power module.

5. a kind of CST hydrodynamic lubrication oil cooler according to claim 1, which is characterized in that cooler (3) enters water Mouth is provided with bypass cooling water pipe (9), bypasses and is provided with bypass valve (5) on cooling water pipe, bypass valve (5) is in original state Closed state.

6. a kind of CST hydrodynamic lubrication oil cooler according to claim 1, which is characterized in that cooler (3) enters water In cooler (3) upper surface, the water outlet and oil pipe entrance of cooler (3) are arranged in cooler (3) for mouth and oil pipe outlet setting Lower end surface.

7. a kind of CST hydrodynamic lubrication oil cooler according to claim 1, which is characterized in that CST driving box it is fuel-displaced Mouth is connect by cooling oil pump (6) with the oil pipe of cooler (3).

8. a kind of CST hydrodynamic lubrication oil cooler according to claim 1, which is characterized in that the water inlet of cooler (3) Mouth is connect with supply line (10), and water outlet is connect with sebific duct.

9. a kind of CST hydrodynamic lubrication oil cooler according to claim 1, which is characterized in that cooler (3) is board-like Cooler.