CN111030373A - Motor protection equipment - Google Patents
Motor protection equipment Download PDFInfo
- Publication number
- CN111030373A CN111030373A CN202010023506.XA CN202010023506A CN111030373A CN 111030373 A CN111030373 A CN 111030373A CN 202010023506 A CN202010023506 A CN 202010023506A CN 111030373 A CN111030373 A CN 111030373A
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- China
- Prior art keywords
- motor
- cavity
- fixedly connected
- face
- heat dissipation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N11/00—Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricated; Grease cups
- F16N11/10—Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricated; Grease cups by pressure of another fluid
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a motor protection device, which comprises a shell, wherein a motor cavity is arranged in the shell, a transmission cavity is arranged on the left side of the motor cavity, a temperature sensing device is fixedly arranged in the lower side wall of the motor cavity, a motor to be protected is fixedly arranged on the lower side wall of the motor cavity, a fixed block is fixedly arranged on the upper end face of the motor, and an oil storage tank is fixedly arranged on the upper end face of the fixed block.
Description
Technical Field
The invention relates to the technical field of motor protection, in particular to a motor protection device.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. Denoted in the circuit by the letter M. Its main function is to generate driving torque as power source of electric appliance or various machines. The protection of the motor becomes an important thing, and the detection of the working temperature of the motor is more important. At present, a complete detection device is not needed for monitoring operation parameters of the motor in all aspects in real time when the motor works, and a lubricating system of a current motor protection device is single and cannot meet the lubricating requirements of all parts of the motor.
Disclosure of Invention
The object of the present invention is to provide a motor protection device that overcomes the above-mentioned drawbacks of the prior art.
The motor protection device comprises a shell, a motor cavity is arranged in the shell, a transmission cavity is arranged on the left side of the motor cavity, a temperature sensing device is fixedly arranged in the lower side wall of the motor cavity, a motor to be protected is fixedly arranged on the lower side wall of the motor cavity, a fixed block is fixedly arranged on the upper end face of the motor, an oil storage tank is fixedly arranged on the upper end face of the fixed block, a first pipe is fixedly connected to the left end face of the oil storage tank, a first pump for sucking lubricating oil from the oil storage tank and injecting the lubricating oil into the motor is fixedly connected to the left end face of the first pump, a second pipe is fixedly connected to the left end face of the first pump, the other end of the second pipe is fixedly connected to the upper end face of the motor, a third pipe is fixedly connected to the right end face of the oil storage tank, a second pump is fixedly connected to the right end face of the third pipe, a fourth pipe is, the other end of the fourth pipe is fixedly connected with the upper end face of the motor, the left end of the motor is connected with a power shaft which extends leftwards, the left end of the power shaft extends into the transmission cavity and is rotatably connected with the left side wall of the transmission cavity, a first gear which is fixedly connected with the periphery of the power shaft is arranged in the transmission cavity, a transmission mechanism which transmits the output power of the motor is arranged above the first gear, a lubricating mechanism which lubricates the transmission mechanism is arranged below the first gear, a supporting frame is fixedly arranged on the side wall of the motor cavity, a heat dissipation cavity is arranged in the supporting frame, a chute is arranged on the side wall of the heat dissipation cavity, a heat dissipation motor which can slide leftwards and rightwards is arranged in the chute, the lower end of the heat dissipation motor is connected with a heat dissipation shaft, the lower end of the heat dissipation shaft is fixedly connected with heat dissipation fan blades, the pneumatic cylinder left end is connected with the hydraulic stem, the hydraulic stem left end with heat dissipation motor left side terminal surface fixed connection, the lateral wall has set firmly temperature relay on the motor chamber, temperature relay with heat dissipation motor with the pneumatic cylinder and temperature-sensing device electric connection, the lateral wall has set firmly speed relay on the motor chamber, terminal surface fixedly connected with speed sensor under the speed relay, terminal surface is rotated and is connected with the back shaft under the speed sensor, install the support in the back shaft, support periphery fixedly connected with tachometer wheel.
On the basis of the technical scheme, transmission mechanism including rotate connect in control shaft between the lateral wall about the transmission chamber, be provided with in the transmission chamber with control shaft periphery sliding connection's spline gear, spline gear can with gear engagement, sliding connection has the shift fork on the spline gear, the shift fork rear end is provided with control the gliding control mechanism of spline gear, transmission chamber left side wall rotates and is connected with the output shaft that extends the setting about, the output shaft left end extends to left outside the shell, be provided with in the transmission chamber with output shaft periphery fixed connection's No. two gears, No. two gears can with spline gear engagement, the output shaft right-hand member extends to right motor intracavity and fixedly connected with runner, the runner with the tachometer wheel contact.
On the basis of the technical scheme, the lubricating mechanism comprises a lubricating oil tank arranged in the transmission cavity, a lubricating oil cavity is formed in the lubricating oil tank, a third pump is fixedly arranged on the upper end face of the lubricating oil cavity, a material suction pipe extending downwards is fixedly arranged on the lower end face of the third pump and extends into the lubricating oil cavity, a feeding pipe is fixedly connected to the upper end face of the third pump, and a spray head is fixedly connected to the other end of the feeding pipe.
On the basis of the technical scheme, the control mechanism comprises a control block fixedly arranged on the rear side wall of the transmission cavity, a control cavity is arranged in the control block, an electromagnetic assembly is fixedly arranged in the control cavity, the electromagnetic assembly is electrically connected with the speed relay, a spring cavity is arranged on the left side of the control cavity, a sliding block is connected in the spring cavity in a sliding mode, a spring is arranged between the left end face of the sliding block and the left side wall of the spring cavity, and the front end face of the sliding block is fixedly connected with the rear end of the shifting fork.
On the basis of the technical scheme, the right side wall of the motor cavity is provided with a vent, and a dust screen is installed in the vent.
The invention has the beneficial effects that: this application utilizes speed relay and temperature relay to protect the motor, and the reaction is rapid, can be quick when the trouble appears protect the motor, reduction motor loss rate that can be very big, the life of extension motor. This application is provided with two independent lubricating system, and one lubricates another drive gear to the motor, and both adopt different emollient, can lubricate the mechanism more effectively, reduce wearing and tearing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a motor protection apparatus of the present invention;
FIG. 2 is a schematic view of the structure at A-A in FIG. 1;
FIG. 3 is a schematic view of the structure at B-B in FIG. 2;
fig. 4 is a schematic diagram of the structure at C in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1 to 4, a motor protection device according to an embodiment of the present invention includes a housing 10, a motor cavity 23 is disposed in the housing 10, a transmission cavity 11 is disposed on the left side of the motor cavity 23, a temperature sensing device 22 is fixedly disposed in the lower side wall of the motor cavity 23, a motor 52 to be protected is fixedly disposed on the lower side wall of the motor cavity 23, a fixing block 56 is fixedly disposed on the upper end surface of the motor 52, an oil storage tank 53 is fixedly disposed on the upper end surface of the fixing block 56, a first pipe 58 is fixedly connected to the left end surface of the oil storage tank 53, a first pump 50 for sucking lubricating oil from the oil storage tank 53 and injecting the lubricating oil into the motor 52 is fixedly connected to the left end surface of the first pump 50, a second pipe 59 is fixedly connected to the left end surface of the first pump 50, the other end of the second pipe 59 is fixedly connected to the upper end surface of the motor 52, a third pipe 60 is fixedly connected, the right end of the third pipe 60 is fixedly connected with a second pump 54, the right end face of the second pump 54 is fixedly connected with a fourth pipe 55, the other end of the fourth pipe 55 is fixedly connected with the upper end face of the motor 52, the left end of the motor 52 is connected with a power shaft 17 which extends leftwards, the left end of the power shaft 17 extends into the transmission cavity 11 and is rotatably connected with the left side wall of the transmission cavity 11, a first gear 21 which is fixedly connected with the periphery of the power shaft 17 is arranged in the transmission cavity 11, a transmission mechanism 101 which transmits the output power of the motor 52 is arranged above the first gear 21, a lubricating mechanism 102 which lubricates the transmission mechanism 101 is arranged below the first gear 21, a support frame 29 is fixedly arranged on the upper side wall of the motor cavity 23, a heat dissipation cavity 57 is arranged in the support frame 29, a sliding groove 30 is arranged on the upper side wall of the heat dissipation cavity 57, and a heat dissipation motor 33 which can slide leftwards and rightwards, the utility model discloses a motor speed measurement device, including heat dissipation motor 33, heat dissipation motor 33 lower extreme is connected with heat dissipation shaft 35, heat dissipation shaft 35 lower extreme fixedly connected with heat dissipation flabellum 34, heat dissipation chamber 57 right side wall fixed mounting has pneumatic cylinder 27, pneumatic cylinder 27 left end is connected with hydraulic stem 28, hydraulic stem 28 left end with heat dissipation motor 33 left side terminal surface fixed connection, the side wall has set firmly temperature relay 26 on the motor chamber 23, temperature relay 26 with heat dissipation motor 33 with pneumatic cylinder 27 and temperature-sensing device 22 electric connection, the side wall has set firmly speed relay 31 on the motor chamber 23, terminal surface fixedly connected with speed sensor 46 under the speed relay 31, terminal surface rotates under the speed sensor 46 and is connected with back shaft 47, install support 45 in the back shaft 47, support 45 periphery fixedly connected with speed-measuring wheel 48.
In addition, in one embodiment, the transmission mechanism 101 includes a control shaft 14 rotatably connected between the left and right side walls of the transmission cavity 11, a spline gear 15 slidably connected to the periphery of the control shaft 14 is disposed in the transmission cavity 11, the spline gear 15 can be engaged with the first gear 21, a shift fork 38 is slidably connected to the spline gear 15, a control mechanism 103 for controlling the sliding of the spline gear 15 is disposed at the rear end of the shift fork 38, the left side wall of the transmission cavity 11 is rotatably connected with an output shaft 12 extending leftwards and rightwards, the left end of the output shaft 12 extends leftwards to the outside of the housing 10, a second gear 32 fixedly connected to the periphery of the output shaft 12 is disposed in the transmission cavity 11, the second gear 32 can be engaged with the spline gear 15, the right end of the output shaft 12 extends rightwards to the inside of the motor cavity 23 and is fixedly connected with a rotating wheel 49, the runner 49 is in contact with the tachometer wheel 48; when the motor 52 is started, the power shaft 17 is driven to rotate, the power shaft 17 drives the first gear 21 to rotate, the power shaft 17 drives the spline gear 15 to rotate, the spline gear 15 drives the second gear 32 to rotate, and the second gear 32 drives the output shaft 12 to rotate, so that the power output by the motor 52 is transmitted to the output shaft 12.
In addition, in one embodiment, the lubricating mechanism 102 includes a lubricating oil tank 61 arranged in the transmission cavity 11, a lubricating oil cavity 19 is arranged in the lubricating oil tank 61, a third pump 18 is fixedly arranged on the upper end surface of the lubricating oil cavity 19, a material suction pipe 20 extending downwards is fixedly arranged on the lower end surface of the third pump 18, the material suction pipe 20 extends into the lubricating oil cavity 19, a material feeding pipe 36 is fixedly connected to the upper end surface of the third pump 18, and a nozzle 16 is fixedly connected to the other end of the material feeding pipe 36; when lubrication is needed, the third pump 18 is started, the lubricating grease stored in the lubricating oil chamber 19 is sucked into the material suction pipe 20, and then is sprayed onto the first gear 21 through the spray head 16, so that lubrication of the first gear 21, the spline gear 15 and the second gear 32 in the transmission system is completed.
In addition, in one embodiment, the control mechanism 103 includes a control block 13 fixedly arranged on the rear side wall of the transmission cavity 11, a control cavity 44 is arranged in the control block 13, an electromagnetic assembly 43 is fixedly arranged in the control cavity 44, the electromagnetic assembly 43 is electrically connected with the speed relay 31, a spring cavity 40 is arranged on the left side of the control cavity 44, a sliding block 41 is slidably connected in the spring cavity 40, a spring 39 is arranged between the left end surface of the sliding block 41 and the left side wall of the spring cavity 40, and the front end surface of the sliding block 41 is fixedly connected with the rear end of the shifting fork 38; when speed relay 31 detects output shaft 12 rotational speed appears unusually, control chamber 44 circular telegram, control chamber 44 drives slider 41 slides right, slider 41 drives shift fork 38 moves right, shift fork 38 drives spline gear 15 slides right, spline gear 15 with a gear 21 breaks away from, spline gear 15 with No. two gears 32 break away from, thereby realize right motor 52's protection.
In addition, in one embodiment, a ventilation opening 25 is formed in the right side wall of the motor cavity 23, and a dust screen 24 is installed in the ventilation opening 25; thereby realizing the functions of ventilation and dust prevention.
In the initial state, the spring 39 is in the normal state and the solenoid assembly 43 is de-energized.
When the motor 52 needs to output power, the motor 52 is started to drive the power shaft 17 to rotate, the power shaft 17 drives the first gear 21 to rotate, the first gear 21 drives the transmission mechanism 101 to move, and the output shaft 12 outputs power.
When the motor 52 is overloaded, the speed relay 31 starts the electromagnetic assembly 43 to be energized, and the sliding block 41 slides rightwards to drive the spline gear 15 to be disengaged from the second gear 32 and the first gear 21, so that the motor 52 is protected. When the motor 52 is overheated, the temperature relay 26 is started, the heat dissipation motor 33 is electrified with the hydraulic cylinder 27, the hydraulic rod 28 drives the heat dissipation motor 33 to slide left and right, and the heat dissipation fan blades 34 rotate to cool the motor 52.
The invention has the beneficial effects that: this application utilizes speed relay and temperature relay to protect the motor, and the reaction is rapid, can be quick when the trouble appears protect the motor, reduction motor loss rate that can be very big, the life of extension motor. This application is provided with two independent lubricating system, and one lubricates another drive gear to the motor, and both adopt different emollient, can lubricate the mechanism more effectively, reduce wearing and tearing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A motor protection device comprising a housing, characterized in that: a motor cavity is arranged in the shell, a transmission cavity is arranged on the left side of the motor cavity, a temperature sensing device is fixedly arranged in the lower side wall of the motor cavity, a motor to be protected is fixedly arranged on the lower side wall of the motor cavity, a fixed block is fixedly arranged on the upper end face of the motor, an oil storage tank is fixedly arranged on the upper end face of the fixed block, a first pipe is fixedly connected to the left end face of the oil storage tank, lubricating oil is sucked from the oil storage tank and injected into a first pump in the motor, a second pipe is fixedly connected to the left end face of the first pump, the other end of the second pipe is fixedly connected to the upper end face of the motor, a third pipe is fixedly connected to the right end face of the oil storage tank, a second pump is fixedly connected to the right end face of the third pipe, a fourth pipe is fixedly connected to the right end face of the second pump, and the other end of the fourth pipe is fixedly connected, the left end of the motor is connected with a power shaft which extends leftwards, the left end of the power shaft extends into the transmission cavity and is rotatably connected with the left side wall of the transmission cavity, a first gear fixedly connected with the periphery of the power shaft is arranged in the transmission cavity, a transmission mechanism for transmitting the output power of the motor is arranged above the first gear, a lubricating mechanism for lubricating the transmission mechanism is arranged below the first gear, the side wall of the motor cavity is fixedly provided with a support frame, a heat dissipation cavity is arranged in the support frame, the side wall of the heat dissipation cavity is provided with a chute, a heat dissipation motor capable of sliding leftwards and rightwards is arranged in the chute, the lower end of the heat dissipation motor is connected with a heat dissipation shaft, the lower end of the heat dissipation shaft is fixedly connected with heat dissipation blades, the right side wall of the heat dissipation cavity is fixedly provided with a hydraulic cylinder, the utility model discloses a hydraulic ram, including hydraulic stem, motor chamber, lateral wall, temperature relay, pneumatic cylinder, speed relay, support shaft, support periphery fixedly connected with tachometer wheel, hydraulic stem left end with heat dissipation motor left side terminal surface fixed connection, the lateral wall has set firmly temperature relay on the motor chamber, temperature relay with heat dissipation motor with the pneumatic cylinder and temperature-sensing device electric connection, the lateral wall has set firmly speed relay on the motor chamber, terminal surface fixedly connected with speed sensor under the speed relay, terminal surface is rotated and is connected with the back shaft under the speed sensor, install the support in the back shaft, support.
2. A motor protection apparatus as claimed in claim 1, wherein: drive mechanism including rotate connect in control shaft between the lateral wall about the transmission chamber, be provided with in the transmission chamber with control shaft periphery sliding connection's spline gear, spline gear can with gear engagement, sliding connection has the shift fork on the spline gear, the shift fork rear end is provided with control the gliding control mechanism of spline gear, transmission chamber left side wall rotates and is connected with the output shaft of extending the setting about, the output shaft left end extends to left outside the shell, be provided with in the transmission chamber with output shaft periphery fixed connection's No. two gears, No. two gears can with spline gear engagement, the output shaft right-hand member extends to right motor intracavity and fixedly connected with runner, the runner with the tachometer wheel contact.
3. A motor protection apparatus as claimed in claim 1, wherein: the lubricating mechanism comprises a lubricating oil tank arranged in the transmission cavity, a lubricating oil cavity is formed in the lubricating oil tank, a third pump is fixedly arranged on the upper end face of the lubricating oil cavity, a material sucking pipe extending downwards is fixedly arranged on the lower end face of the third pump and extends into the lubricating oil cavity, a feeding pipe is fixedly connected to the upper end face of the third pump, and a spray head is fixedly connected to the other end of the feeding pipe.
4. A motor protection apparatus as claimed in claim 2, wherein: control mechanism including set firmly in the control block of transmission chamber rear side wall, be provided with the control chamber in the control block, the control intracavity has set firmly the electromagnetic component, the electromagnetic component with speed relay electric connection, the control chamber left side is provided with the spring chamber, sliding connection has the slider in the spring chamber, the slider left end face with install the spring between the spring chamber left side wall, slider front end terminal surface with shift fork rear end fixed connection.
5. A motor protection apparatus as claimed in claim 1, wherein: the motor cavity right side wall has seted up the vent, install the dust screen in the vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010023506.XA CN111030373A (en) | 2020-01-09 | 2020-01-09 | Motor protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010023506.XA CN111030373A (en) | 2020-01-09 | 2020-01-09 | Motor protection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111030373A true CN111030373A (en) | 2020-04-17 |
Family
ID=70198802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010023506.XA Withdrawn CN111030373A (en) | 2020-01-09 | 2020-01-09 | Motor protection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111030373A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756177A (en) * | 2020-07-31 | 2020-10-09 | 诸暨亚目发动机有限公司 | Motor device capable of avoiding fault caused by temperature surge |
| CN116475816A (en) * | 2023-06-20 | 2023-07-25 | 江苏古田自动化股份有限公司 | Automatic tool changing mechanism |
-
2020
- 2020-01-09 CN CN202010023506.XA patent/CN111030373A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756177A (en) * | 2020-07-31 | 2020-10-09 | 诸暨亚目发动机有限公司 | Motor device capable of avoiding fault caused by temperature surge |
| CN116475816A (en) * | 2023-06-20 | 2023-07-25 | 江苏古田自动化股份有限公司 | Automatic tool changing mechanism |
| CN116475816B (en) * | 2023-06-20 | 2023-09-08 | 江苏古田自动化股份有限公司 | Automatic tool changing mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200417 |