CN211398473U

CN211398473U - Speed-regulating coupler of sliding bearing bush

Info

Publication number: CN211398473U
Application number: CN201920961166.8U
Authority: CN
Inventors: 王明亮
Original assignee: Yantai Yucheng Machinery Ltd By Share Ltd
Current assignee: Yantai Yucheng Machinery Ltd By Share Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-09-01
Anticipated expiration: 2029-06-25

Abstract

The utility model discloses a slip bush speed governing type coupler relates to shaft coupling technical field, including the coupler main part, one side of coupler main part is provided with the oil cooler, and one side of oil cooler is connected with into oil pipe, and the oil-out is installed to the upper end of advancing oil pipe, and the front end of pivot is provided with the output shaft, and the middle part of output shaft is provided with the support, and the one end ann of support changes there is the pump impeller, and the lower extreme of coupler main part is connected with the auxiliary oil pump, and one side of auxiliary oil pump is connected with the alarm, and the inside of coupler main part is provided with temperature. The utility model discloses when the long-time work temperature rose to the critical point, temperature sensor can pass the signal to the alarm, and the staff can utilize the oil that the auxiliary oil pump pours into the normal atmospheric temperature into through external controller, cools down to the oil of inside to avoid fusible plug to melt and lead to the coincidence stop work, also avoid high temperature damage internals, prolonged the life of coincidence.

Description

Speed-regulating coupler of sliding bearing bush

Technical Field

The utility model relates to a shaft coupling technical field specifically is a sliding bearing axle speed governing type coupler.

Background

The hydraulic coupler regulates the rotation speed according to the amount of working oil in the impeller cavities of the pump impeller and the turbine impeller. Since the pump impeller rotates at a fixed rotational speed, the more the amount of working oil is, the greater the torque of the turbine wheel is. On the contrary, if the torque of the drive wheel is constant, the more the amount of the working oil is, the greater the rotation speed of the turbine is. Therefore, the rotating speed of the turbine can be adjusted by changing the amount of the working oil in the cavity so as to adapt to the requirement of the load. The quantity of oil can be controlled by the spoon pipe, the spoon pipe is lifted, the oil return quantity is increased, the oil quantity in the cavity is reduced, and the rotating speed of the turbine is reduced; whereas the turbine speed increases. The fluid coupling changes the rotational speed of its output shaft without changing the rotational speed of the electric motor. The hydraulic coupler has high transmission efficiency (0.95-0.98), runs stably and can effectively control the overload of a prime motor; the vibration can be absorbed, the influence of impact load is eliminated, the regulation and the automation are easy to realize, and the stepless speed regulation can be realized. It can greatly reduce the starting torque of the motor, thus greatly reducing the spare capacity of the motor.

However, the existing coupler in the market is not provided with an oil control device well, the oil quantity is easy to be too much or too little, so that the coupler works in a low-efficiency area for a long time, the heat productivity is greatly increased, the temperature control setting is not needed, when the temperature is too high, the coupler can only be stopped by melting the fusible plug, no other guarantee is provided, parts can be damaged when the fusible plug cannot work normally, a standby oil cooling device is not provided, and the coupler cannot work once the oil cooler cannot cool down in time. Accordingly, one skilled in the art has provided a slip bearing timing type coupling that solves the problems set forth in the background above.

Disclosure of Invention

An object of the utility model is to provide a sliding bearing axle speed governing type coupler to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a speed-regulating coupler with sliding bearing bush is composed of a main body with oil cooler at one side, one side of the oil cooler is connected with an oil inlet pipe, the upper end of the oil inlet pipe is provided with an oil outlet, one end of the oil outlet is provided with a coupler shell, a rotating shaft is arranged at the middle end in the coupler shell, an output shaft is arranged at the front end of the rotating shaft, a bracket is arranged at the middle part of the output shaft, a pump wheel is arranged at one end of the bracket in a rotating manner, and the upper end of the bracket is provided with a spoon pipe, the interior of the pump wheel is provided with a working oil cavity, the rear end of the rotating shaft is provided with an input shaft, the outer side of the input shaft is provided with a rolling bearing, the lower end of the rolling bearing is provided with the input shaft, the lower extreme of coupler main part is connected with the auxiliary oil pump, one side of auxiliary oil pump is connected with the alarm, the inside of coupler main part is provided with temperature sensor.

As a further aspect of the present invention: the outer side of the coupler shell is provided with a connecting flange, the upper end of one side of the rotating shaft is provided with an upper bearing bush, the lower end of the upper bearing bush is provided with a lower bearing bush, the upper bearing bush and the lower bearing bush form an annular component, the inner diameter of the component formed by the upper bearing bush and the lower bearing bush is slightly larger than the outer diameter of the rotating shaft, the upper end of the upper bearing bush is provided with an oil filling port, a radial bearing is arranged between the input shaft and the output shaft, and an fusible plug is arranged between the pump wheel and the support.

As a further aspect of the present invention: the oil-filled type rolling bearing is characterized in that a flow meter is mounted at the lower end of the rolling bearing, an oil-filled pump is arranged on the outer side of the flow meter, an oil tank is arranged at the lower end of the flow meter, the flow meter is connected with a working oil cavity through a large-diameter pipeline, and a pneumatic valve is mounted on the outer side of the working oil cavity.

As a further aspect of the present invention: the temperature sensor is electrically connected with the alarm, the oil filling pump is electrically connected with the flow meter, and the alarm is externally connected with the control device.

As a further aspect of the present invention: and a rotating bearing is arranged on the outer side of the output shaft, the outer diameter of the output shaft is slightly smaller than the inner diameter of the rotating bearing, and lubricating oil is filled between the output shaft and the rotating bearing.

As a further aspect of the present invention: the bearing frame of threaded hole is installed to journal bearing's upper end, the external lubricating oil tank of oiling mouth, the support is stainless steel component, the fusible plug is low melting point alloy material component, and the melting point of fusible plug is 115 ℃.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the working oil cavity of the coupler and the oil temperature inside the oil tank can be monitored through the temperature sensor and the alarm, when the oil temperature rises to a critical point during long-time working, the temperature sensor can transmit signals to the alarm, a worker can close the motor through the external controller, the coupler is stopped, and high-temperature damage to internal parts is avoided.

2. The condition that the oil charge pump filled the oil mass can be monitored through the flowmeter, the oil mass is too much, turbine torque is too big, lead to the rotational speed too fast, make the oil temperature too high, or the oil mass is too little, make the coupler can't work according to rated efficiency, increased the friction between the part simultaneously, make the coupler life-span reduce, the flowmeter can show the audio-visual demonstration of inside oil mass, make things convenient for the staff to operate the oil pump and increase or reduce the inside oil mass of coupler.

3. The oil cooler can fill normal-temperature oil in the coupler when the oil cooler cannot timely cool the oil in the working cavity and the oil tank through the auxiliary oil tank, so that the oil temperature is reduced, and the fusible plug is prevented from being melted too early and parts are prevented from being damaged.

4. The oiling mouth that sets up can avoid the axle bush to tile, damage the pivot to upper and lower axle bush intervalve packing lubricating oil, and the inside high-pressure gas of discharge when atmospheric pressure increases in can leading to the intracavity high temperature of pneumatic valve, avoids the too big part that damages of pressure.

Drawings

FIG. 1 is a schematic structural diagram of a sliding bearing shell speed-regulating coupler;

FIG. 2 is a schematic plan view of a coupler in a slip bearing shell timing type coupler;

fig. 3 is a schematic structural diagram of a bearing shell in a sliding bearing shell speed-regulating coupler.

In the figure: 1. a coupler main body; 2. an oil cooler; 3. a rotating shaft; 4. a coupler housing; 5. an oil inlet pipe; 6. an oil outlet; 7. a lower bearing bush; 8. an upper bearing bush; 9. an oil filling port; 401. an output shaft; 402. a rotating bearing; 403. a support; 404. a spoon tube; 405. a fusible plug; 406. a pump impeller; 407. a radial bearing; 408. a rolling bearing; 409. an input shaft; 4010. an oil charge pump; 4011. a flow meter; 4012. a working oil chamber; 4013. an oil tank; 4014. a pneumatic valve; 10. a connecting flange; 11. an auxiliary oil pump; 12. a temperature sensor; 13. an alarm.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, a sliding bearing bush speed-adjusting type coupler includes a coupler body 1, an oil cooler 2 is disposed on one side of the coupler body 1, an oil inlet pipe 5 is connected to one side of the oil cooler 2, an oil outlet 6 is mounted on an upper end of the oil inlet pipe 5, a coupler housing 4 is disposed at one end of the oil outlet 6, a rotating shaft 3 is disposed at a middle end inside the coupler housing 4, an output shaft 401 is disposed at a front end of the rotating shaft 3, a bracket 403 is disposed at a middle portion of the output shaft 401, a pump wheel 406 is mounted at one end of the bracket 403, a scoop tube 404 is disposed at an upper end of the bracket 403, a working oil chamber 4012 is disposed inside the pump wheel 406, an input shaft 409 is disposed at a rear end of the rotating shaft 3, a rolling bearing 408 is disposed outside the input shaft 409, an input shaft 409 is disposed at a lower end of the rolling bearing, a temperature sensor 12 (model number PT100) is provided inside the coupling main body 1.

A connecting flange 10 is arranged on the outer side of the coupler shell 4, an upper bearing bush 8 is arranged at the upper end of one side of the rotating shaft 3, a lower bearing bush 7 is arranged at the lower end of the upper bearing bush 8, the upper bearing bush 8 and the lower bearing bush 7 form an annular component, the inner diameter of the component formed by the upper bearing bush 8 and the lower bearing bush 7 is slightly larger than the outer diameter of the rotating shaft 3, an oil filling port 9 is arranged at the upper end of the upper bearing bush 8, a radial bearing 407 is arranged between an input shaft 409 and an output shaft 401, an fusible plug 405 is arranged between a pump wheel 406 and a support 403, a flow meter 4011 is arranged at the lower end of a rolling bearing 408, an oil charge pump 4010 is arranged on the outer side of the flow meter 4011, an oil tank 4013 is arranged at the lower end of the flow meter 4011, the flow meter 4011 is connected with a working oil chamber 4012 through a large-diameter pipeline, a, also avoid the too little too big damage of part friction of oil mass, avoid the pipeline undersize through big latus rectum pipe connection between flowmeter 4011 and the working oil chamber 4012, the oil dirt ization is piled up and is blockked up the pipeline, and big latus rectum pipeline also is favorable to some circulations, heat dissipation with higher speed.

The temperature sensor 12 is electrically connected with an alarm 13, the oil charge pump 4010 is electrically connected with a flow meter 4011, the alarm 13 is externally connected with a control device, a rotating bearing 402 is arranged on the outer side of an output shaft 401, the outer diameter of the output shaft 401 is slightly smaller than the inner diameter of the rotating bearing 402, lubricating oil is filled between the output shaft 401 and the rotating bearing 402, a bearing seat with a threaded hole is installed at the upper end of the radial bearing 407, the oil filling port 9 is externally connected with a lubricating oil tank, the bracket 403 is a stainless steel component, the fusible plug 405 is a low-melting-point alloy component, and the melting point of fusible plug 405 is 115 ℃, lubricating oil is filled between output shaft 401 and rolling bearing 402 to avoid long-term rotation friction damage to the shaft body, temperature sensor 12 can send out an alarm through alarm 13 when the oil temperature reaches a critical temperature, and a worker can utilize auxiliary oil pump 11 to cool the oil through an external controller to avoid premature melting of fusible plug 405.

The utility model discloses a theory of operation: the input shaft 409 is connected with a motor, the output shaft 401 is connected with an output end, the motor starts to operate, working oil is filled in a cavity of a working oil cavity 4012 to form an annular flow passage, a pump wheel 406 is directly driven by a driving shaft and has the function of converting mechanical energy of a driving wheel into kinetic energy of working liquid, the pump wheel 406 is driven to rotate along the circulation flow passage under the action of centrifugal force after the energy of the liquid is improved in the working oil cavity 4012, the kinetic energy in the liquid is converted into the mechanical energy to drive the output shaft 401, a flowmeter 4011 can detect the oil quantity filled in the coupler shell 4 by an oil filling pump 4010 to avoid too much or too little oil quantity, a temperature sensor 12 can transmit a signal to an alarm 13 when the oil temperature in the coupler shell 4 is too high, the alarm 13 gives an alarm, a worker can control an auxiliary oil pump 11 to fill normal-temperature oil into an oil tank 4013 through a controller externally connected with the alarm 13, the cooling of the oil temperature is accelerated, so that the coupler main body 1 can normally work, and the air pressure valve 4014 can discharge high pressure generated by high temperature, thereby avoiding damaging internal parts.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A sliding bearing bush speed-regulating coupler comprises a coupler main body (1) and is characterized in that an oil cooler (2) is arranged on one side of the coupler main body (1), an oil inlet pipe (5) is connected to one side of the oil cooler (2), an oil outlet (6) is mounted at the upper end of the oil inlet pipe (5), a coupler shell (4) is arranged at one end of the oil outlet (6), a rotating shaft (3) is arranged at the middle end inside the coupler shell (4), an output shaft (401) is arranged at the front end of the rotating shaft (3), a support (403) is arranged at the middle of the output shaft (401), a pump wheel (406) is mounted and rotated at one end of the support (403), a scoop tube (404) is arranged at the upper end of the support (403), a working oil cavity (4012) is arranged inside the pump wheel (406), and an input shaft (409) is arranged at the rear end of the rotating shaft (, the outer side of the input shaft (409) is provided with a rolling bearing (408), the lower end of the rolling bearing (408) is provided with the input shaft (409), the lower end of the coupler main body (1) is connected with an auxiliary oil pump (11), one side of the auxiliary oil pump (11) is connected with an alarm (13), and a temperature sensor (12) is arranged inside the coupler main body (1).

2. The sliding bearing shell speed-regulating type coupler of claim 1, wherein a connecting flange (10) is arranged on the outer side of the coupler housing (4), an upper bearing shell (8) is arranged at the upper end of one side of the rotating shaft (3), a lower bearing shell (7) is arranged at the lower end of the upper bearing shell (8), the upper bearing shell (8) and the lower bearing shell (7) form an annular component, the inner diameter of the component formed by the upper bearing shell (8) and the lower bearing shell (7) is slightly larger than the outer diameter of the rotating shaft (3), an oil filling port (9) is arranged at the upper end of the upper bearing shell (8), a radial bearing (407) is arranged between the input shaft (409) and the output shaft (401), and an fusible plug (405) is arranged between the pump wheel (406) and the bracket (403).

3. The speed-regulating coupler with sliding bearing bushes according to claim 1, characterized in that a flow meter (4011) is mounted at the lower end of the rolling bearing (408), an oil charge pump (4010) is arranged on the outer side of the flow meter (4011), an oil tank (4013) is arranged at the lower end of the flow meter (4011), the flow meter (4011) is connected with a working oil chamber (4012) through a large-diameter pipeline, and a pneumatic valve (4014) is mounted on the outer side of the working oil chamber (4012).

4. A speed-regulating coupling of a sliding bearing bush according to claim 3, characterized in that the temperature sensor (12) is electrically connected with an alarm (13), the oil-filled pump (4010) is electrically connected with a flowmeter (4011), and the alarm (13) is externally connected with a control device.

5. A sliding bearing shell speed-regulating type coupling according to claim 1, wherein the outer side of the output shaft (401) is provided with a rotating bearing (402), the outer diameter of the output shaft (401) is slightly smaller than the inner diameter of the rotating bearing (402), and lubricating oil is filled between the output shaft (401) and the rotating bearing (402).

6. A slip bearing shell speed-regulating coupling according to claim 2, wherein the upper end of the radial bearing (407) is provided with a bearing seat with a threaded hole, the oil filling port (9) is externally connected with a lubricating oil tank, the bracket (403) is a stainless steel member, the fusible plug (405) is a low-melting-point alloy member, and the melting point of the fusible plug (405) is 115 ℃.