CN218124491U

CN218124491U - Explosion-proof brake motor capable of actively cooling

Info

Publication number: CN218124491U
Application number: CN202222675468.3U
Authority: CN
Inventors: 王明军
Original assignee: Shandong General Motor Co ltd
Current assignee: Shandong General Motor Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2022-12-23
Anticipated expiration: 2032-10-11

Abstract

The utility model relates to the technical field of motors, in particular to an active cooling explosion-proof brake motor which can actively spray water for cooling, avoid brake untimely or rotation failure caused by overhigh brake temperature and has high brake reliability; the motor comprises a motor main body, a plurality of radiating fins, a rear cover and an impeller, wherein the plurality of radiating fins are uniformly arranged on the motor main body; still include the kettle, the water pump, the water pipe, shower nozzle and arrestment mechanism, the kettle is installed and is covered after, the water pump is installed on the outer wall of kettle, the inlet tube of water pump stretches into in the kettle, the delivery port and the water piping connection of water pump, the inside of lid after the water pipe stretches into, install the shower nozzle on the output of water pipe, the stopper is provided with the brake pump subassembly, brake caliper subassembly and brake disc subassembly, the brake disc unit mount is on motor body's main shaft, the delivery port of shower nozzle is towards brake disc subassembly and brake caliper subassembly, the switch and the water pump electricity of arrestment mechanism are connected.

Description

Explosion-proof brake motor capable of actively cooling

Technical Field

The utility model relates to a technical field of motor especially relates to an explosion-proof brake motor of initiative cooling.

Background

The motor which adopts an explosion-proof shell to separate an electric part which possibly generates sparks, electric arcs and dangerous temperature from surrounding explosive gas mixture is called an explosion-proof motor, the explosion-proof motor with a brake is called an explosion-proof braking motor with active cooling, at present, the braking mode of the explosion-proof braking motor is mostly mechanical braking, and the rotating kinetic energy of a main shaft is converted into friction heat energy by a friction method during mechanical braking, so that the braking purpose is realized, and the friction material of the existing brake has the problem of thermal attenuation, namely, when the brake is continuously braked for a long time, the friction material of the brake can be heated or even melted, the friction coefficient is greatly reduced or even disappears, so that the brake is untimely or the rotation is invalid, and the braking reliability is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can take the initiative the water spray cooling, avoid the too high braking that leads to of stopper temperature untimely or rotate the inefficacy, the explosion-proof brake motor of initiative cooling that the reliability of braking is high.

The utility model discloses an explosion-proof brake motor of initiative cooling, including motor main part, fin, back lid and impeller, evenly be provided with a plurality of fins on the explosion-proof casing of motor main part, the back lid is installed on the back end cover of motor main part, the impeller is provided with a plurality of blades, the impeller is installed at the rear end of the main shaft of motor main part with one heart, the impeller is located inside the back lid; the water pump is arranged on the rear cover, a water storage cavity is arranged inside the water kettle, a water filling port is formed in the upper portion of the water kettle and is communicated with the water storage cavity, a cover is arranged on the water filling port, the water pump is arranged on the outer wall of the water kettle, a water inlet pipe of the water pump extends into the water storage cavity of the water kettle, a water outlet of the water pump is connected with an input end of the water pipe, an output end of the water pipe extends into the rear cover, the spray head is arranged on an output end of the water pipe, the brake is provided with a brake pump assembly, a brake caliper assembly and a brake disc assembly, the brake pump assembly and the brake caliper assembly are arranged on the rear end cover of the motor main body, the brake disc assembly is arranged on a main shaft of the motor main body, a water outlet of the spray head faces the brake disc assembly and the brake caliper assembly, and a switch of the brake mechanism is electrically connected with the water pump; when the motor main part brakies, the switch of operation arrestment mechanism, make the operation of brake pump subassembly, the action of brake pump subassembly drive braking pincers subassembly, braking pincers subassembly is with pivoted brake disc subassembly centre gripping and friction braking, make motor main part's main shaft slow down or stop, and simultaneously, the water pump operation, the water pump takes out the water in the water storage cavity of kettle and pressurizes the back through the water pipe and carries to the shower nozzle, and spout through the shower nozzle, shower nozzle spun water smoke sprays on brake disc subassembly and brake pincers subassembly, water smoke cools down brake disc subassembly and brake pincers subassembly, avoid brake disc subassembly and the too high braking that leads to of brake pincers subassembly untimely or rotation failure, improve the reliability of braking.

Preferably, the motor further comprises a ratchet wheel, the middle part of the impeller is provided with the ratchet wheel, and the ratchet wheel is concentrically sleeved on the main shaft of the motor main body; through the installation ratchet for the main shaft of motor main part can drive the impeller and rotate, and the blade fanning of impeller cools down motor main part and a plurality of fin, and when motor main part braked, the main shaft of motor main part reduces the rotational speed fast or stops, and the impeller can continue to rotate a period of time under the effect of inertia and ratchet, provides the cooling air, improves motor main part's radiating effect.

Preferably, the brake disc assembly of the brake mechanism comprises a flange seat, a brake disc and bolts, the flange seat is concentrically installed on the main shaft of the motor main body, and the brake disc is concentrically installed on the flange seat through a plurality of bolts; the flange seat and the brake disc which are widely applied to the automobile are adopted, the technology is mature, the contact area with water mist is large, the heat dissipation effect is good, the braking effect is little affected by the water mist, and the practicability is high.

Preferably, the brake disc further comprises a plurality of vent holes, and the brake disc is uniformly provided with the vent holes; through setting up a plurality of ventilation holes, increase ventilation cooling area, the area of contact of increase and water smoke simultaneously improves the radiating effect of brake disc.

Preferably, the brake caliper assembly of the brake mechanism comprises two calipers, four brake cylinders and four friction plates, the two calipers are installed on a rear end cover of the motor main body, the two calipers are symmetrically arranged on the left side and the right side of a main shaft of the motor main body respectively, the two brake cylinders and a communicated hydraulic oil pipeline are arranged inside the two calipers, the four brake cylinders are provided with reset tension springs respectively, the friction plates are installed on pistons of the four brake cylinders respectively, and small gaps are formed between the four friction plates and front and rear end faces of the left side and the right side of a brake disc respectively; during braking, four brake cylinders on the two calipers extend simultaneously, so that the four friction plates are respectively pressed on the front end face and the rear end face of the left side and the right side of the brake disc, the four friction plates are in friction with the brake disc, the brake disc is rapidly decelerated or stopped, the technology is mature, the pressing force is large, the braking effect is good, and the practicability is high.

Preferably, a brake pump assembly of the brake mechanism comprises a brake pump, a brake motor, an oil can, a switch and a deflector rod, wherein the brake pump is arranged on a rear end cover of a motor main body, an output port of the brake pump is connected with oil inlet pipes of two calipers through two high-voltage pipes, the brake motor is arranged on the brake pump, an output shaft of the brake motor is in transmission connection with an input shaft of the brake pump, the oil can is arranged on the brake pump, an oil outlet of the oil can is communicated with an input port of the brake pump, the switch is arranged on the brake pump, the switch is electrically connected with the brake motor and the water pump, the deflector rod is arranged on the switch, and the upper end of the deflector rod extends out of the rear cover; when braking the motor main part, pull the driving lever for the switch is to brake motor and water pump circular telegram, and two callipers are carried to brake motor drive brake pump operation after with the brake fluid pressurization in the oilcan, brake, and brake motor outage stops after the braking is accomplished, and four brake cylinder shrink under the extension spring effect that resets and reset, and during the brake fluid got back to the oilcan, the technology was mature, and easy operation can provide great brake pressure, and the braking reaction is fast, and the practicality is good.

Compared with the prior art, the beneficial effects of the utility model are that: when the motor main part brakies, the switch of operation arrestment mechanism, make the operation of brake pump subassembly, the action of brake pump subassembly drive braking pincers subassembly, braking pincers subassembly is with pivoted brake disc subassembly centre gripping and friction braking, make motor main part's main shaft slow down or stop, and simultaneously, the water pump operation, the water pump takes out the water in the water storage cavity of kettle and pressurizes the back through the water pipe and carries to the shower nozzle, and spout through the shower nozzle, shower nozzle spun water smoke sprays on brake disc subassembly and brake pincers subassembly, water smoke cools down brake disc subassembly and brake pincers subassembly, avoid brake disc subassembly and the too high braking that leads to of brake pincers subassembly untimely or rotation failure, improve the reliability of braking.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged structural schematic view of the brake pump assembly and brake caliper assembly, etc.;

FIG. 4 is an enlarged schematic structural view of structures such as a kettle, a water pump, a water pipe, a spray head, a brake disc assembly and the like;

FIG. 5 is an enlarged view of the structure of the impeller and the ratchet;

in the drawings, the reference numbers: 1. a motor main body; 2. a heat sink; 3. a rear cover; 4. an impeller; 5. a kettle; 6. a water pump; 7. a water pipe; 8. a spray head; 9. a ratchet wheel; 10. a flange seat; 11. a brake disc; 12. a bolt; 13. a vent hole; 14. a caliper; 15. a brake cylinder; 16. a friction plate; 17. a brake pump; 18. braking the motor; 19. an oil can; 20. a switch; 21. a deflector rod.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

An explosion-proof brake motor capable of actively cooling comprises a motor main body 1, cooling fins 2, a rear cover 3 and an impeller 4, wherein a plurality of cooling fins 2 are uniformly arranged on an explosion-proof shell of the motor main body 1, the rear cover 3 is arranged on a rear end cover of the motor main body 1, the impeller 4 is provided with a plurality of blades, the impeller 4 is concentrically arranged at the rear end of a main shaft of the motor main body 1, and the impeller 4 is positioned inside the rear cover 3; the brake device comprises a motor main body 1, and is characterized by further comprising a water kettle 5, a water pump 6, a water pipe 7, a spray head 8 and a brake mechanism, wherein the water kettle 5 is installed on the rear cover 3, a water storage cavity is formed in the water kettle 5, a water filling port is formed in the upper portion of the water kettle 5 and is communicated with the water storage cavity, a cover is arranged on the water filling port, the water pump 6 is installed on the outer wall of the water kettle 5, a water inlet pipe of the water pump 6 extends into the water storage cavity of the water kettle 5, a water outlet of the water pump 6 is connected with an input end of the water pipe 7, an output end of the water pipe 7 extends into the rear cover 3, the spray head 8 is installed on the output end of the water pipe 7, the brake is provided with a brake pump assembly, a brake caliper assembly and a brake disc assembly, the brake pump assembly and the brake caliper assembly are installed on a rear end cover of the motor main body 1, the brake disc assembly is installed on a main shaft of the motor main body 1, a water outlet of the spray head 8 faces the brake assembly and the brake caliper assembly, and a switch of the brake mechanism is electrically connected with the water pump 6; the brake disc assembly of the brake mechanism comprises a flange seat 10, a brake disc 11 and bolts 12, wherein the flange seat 10 is concentrically arranged on a main shaft of the motor main body 1, and the brake disc 11 is concentrically arranged on the flange seat 10 through a plurality of bolts 12; the brake caliper assembly of the brake mechanism comprises two calipers 14, four brake cylinders 15 and four friction plates 16, wherein the two calipers 14 are installed on a rear end cover of the motor main body 1, the two calipers 14 are respectively and symmetrically arranged on the left side and the right side of a main shaft of the motor main body 1, two brake cylinders 15 and a communicated hydraulic oil pipeline are respectively arranged inside the two calipers 14, reset tension springs are respectively arranged on the four brake cylinders 15, the friction plates 16 are respectively installed on pistons of the four brake cylinders 15, and small gaps are respectively arranged between the four friction plates 16 and front and rear end faces of the left side and the right side of the brake disc 11; the brake pump assembly of the brake mechanism comprises a brake pump 17, a brake motor 18, an oil pot 19, a switch 20 and a deflector rod 21, wherein the brake pump 17 is installed on a rear end cover of a motor main body 1, an output port of the brake pump 17 is connected with oil inlet pipes of two calipers 14 through two high-pressure pipes, the brake motor 18 is installed on the brake pump 17, an output shaft of the brake motor 18 is in transmission connection with an input shaft of the brake pump 17, the oil pot 19 is installed on the brake pump 17, an oil outlet of the oil pot 19 is communicated with an input port of the brake pump 17, the switch 20 is installed on the brake pump 17, the switch 20 is electrically connected with the brake motor 18 and a water pump 6, the deflector rod 21 is arranged on the switch 20, and the upper end of the deflector rod 21 extends out of the rear cover 3; when the motor main body 1 brakes, the shift lever 21 is pulled, so that the switch 20 energizes the brake motor 18 and the water pump 6, the brake motor 18 drives the brake pump 17 to operate to pressurize brake oil in the oil can 19 and then convey the brake oil to the two calipers 14, the four brake cylinders 15 on the two calipers 14 extend simultaneously, so that the four friction plates 16 are respectively pressed on the front end face and the rear end face of the left side and the right side of the brake disc 11, the four friction plates 16 rub against the brake disc 11, so that the brake disc 11 drives the spindle of the motor main body 1 to rapidly decelerate or stop through the flange seat 10, meanwhile, the water pump 6 operates, the water in the water storage cavity of the water can 5 is pumped out and pressurized by the water pump 6 and then conveyed to the spray head 8 through the water pipe 7, and is sprayed out through the spray head 8, the water mist sprayed out of the spray head 8 is sprayed on the brake disc 11 and the two calipers 14, the water mist cools the brake disc 11 and the two calipers 14, the brake motor 18 is powered off after braking is completed, the four brake cylinders 15 contract and reset under the action of the reset tension spring, and the brake oil returns to the oil can 19.

As shown in fig. 1 to 5, the utility model discloses an explosion-proof brake motor of initiative cooling, it is at the during operation, at first motor main part 1 when braking, pull driving lever 21, make switch 20 switch on brake motor 18 and water pump 6, later brake motor 18 drive brake pump 17 operation carry two callipers 14 after with the brake fluid pressurization in oilcan 19, four brake cylinders 15 on two callipers 14 extend simultaneously, make four friction disc 16 compress tightly respectively on the front and back terminal surface of the left and right sides of brake disc 11, four friction disc 16 and brake disc 11 friction, make the main shaft fast speed reduction of brake disc 11 and motor main part 1 or stop, and simultaneously, water pump 6 moves, then water pump 6 takes out the water in the water storage cavity of kettle 5 and carries to shower nozzle 8 through water pipe 7 after the pressurization, and spout through shower nozzle 8, shower nozzle 8 spun water mist sprays on brake disc 11 and two callipers 14, cool down brake water smoke 11 and two callipers 14, the braking is accomplished at last, reset driving lever 21, brake motor 18 outage stops, four brake cylinders 15 shrink under the extension spring effect of resetting, can get back to the oil return to the oilcan be reset promptly in the oilcan 19.

The utility model discloses the main function who realizes does: the water can be sprayed actively to cool, and untimely braking or rotation failure caused by overhigh temperature of the brake can be avoided.

The installation mode, the connection mode or the setting mode of the active cooling explosion-proof brake motor of the utility model are common mechanical modes, and the active cooling explosion-proof brake motor can be implemented as long as the beneficial effects can be achieved; the utility model discloses an explosion-proof brake motor's of initiative cooling motor main part 1, fin 2, back lid 3, impeller 4, kettle 5, water pump 6, shower nozzle 8, ratchet 9, flange seat 10, brake disc 11, bolt 12, calliper 14, brake cylinder 15, friction disc 16, brake pump 17, brake motor 18, switch 20 are purchase on the market, this industry technical staff only need according to its subsidiary operating specification install and operate can, and need not the technical staff in the field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. An explosion-proof brake motor capable of actively cooling comprises a motor main body (1), a plurality of cooling fins (2), a rear cover (3) and an impeller (4), wherein the plurality of cooling fins (2) are uniformly arranged on an explosion-proof shell of the motor main body (1), the rear cover (3) is arranged on the rear end cover of the motor main body (1), the impeller (4) is provided with a plurality of blades, the impeller (4) is concentrically arranged at the rear end of a main shaft of the motor main body (1), and the impeller (4) is positioned inside the rear cover (3); the water pump is characterized by further comprising a water kettle (5), a water pump (6), a water pipe (7), a spray head (8) and a brake mechanism, wherein the water kettle (5) is installed on the rear cover (3), a water storage cavity is formed in the inside of the water kettle (5), a water filling port is formed in the upper portion of the water kettle (5), the water filling port is communicated with the water storage cavity, a cover is arranged on the water filling port, the water pump (6) is installed on the outer wall of the water kettle (5), a water inlet pipe of the water pump (6) extends into the water storage cavity of the water kettle (5), a water outlet of the water pump (6) is connected with an input end of the water pipe (7), an output end of the water pipe (7) extends into the inside of the rear cover (3), the spray head (8) is installed on an output end of the water pipe (7), the brake is provided with a brake pump assembly, a brake caliper assembly and a brake disc assembly, the brake caliper assembly and the brake disc assembly are installed on the rear end cover of the motor body (1), the spray head (8), the water outlet of the spray head faces the brake assembly, and the brake disc assembly, and the switch of the brake mechanism is electrically connected with the water pump (6).

2. The active cooling explosion-proof brake motor as claimed in claim 1, further comprising a ratchet wheel (9), wherein the ratchet wheel (9) is installed in the middle of the impeller (4), and the ratchet wheel (9) is concentrically sleeved on the main shaft of the motor main body (1).

3. An explosion-proof brake motor with active cooling function as claimed in claim 1, characterized in that the brake disc assembly of the brake mechanism comprises a flange seat (10), a brake disc (11) and bolts (12), the flange seat (10) is concentrically installed on the main shaft of the motor body (1), and the brake disc (11) is concentrically installed on the flange seat (10) through a plurality of bolts (12).

4. An active cooling explosion-proof brake motor according to claim 3, characterized in that it further comprises a plurality of ventilation holes (13), and the brake disc (11) is uniformly provided with a plurality of ventilation holes (13).

5. The active cooling explosion-proof brake motor according to claim 1, wherein a brake caliper assembly of the brake mechanism comprises two calipers (14), four brake cylinders (15) and four friction plates (16), the two calipers (14) are installed on a rear end cover of the motor main body (1), the two calipers (14) are respectively and symmetrically arranged on the left side and the right side of a main shaft of the motor main body (1), the two brake cylinders (15) and a communicated hydraulic oil pipeline are respectively arranged inside the two calipers (14), the four brake cylinders (15) are respectively provided with a return tension spring, the friction plates (16) are respectively installed on pistons of the four brake cylinders (15), and small gaps are respectively arranged between the four friction plates (16) and front and rear end faces of the left side and the right side of the brake disc (11).

6. The active cooling explosion-proof brake motor as claimed in claim 5, wherein a brake pump assembly of the brake mechanism comprises a brake pump (17), a brake motor (18), an oil pot (19), a switch (20) and a deflector rod (21), the brake pump (17) is installed on a rear end cover of the motor main body (1), an output port of the brake pump (17) is connected with oil inlet pipes of the two calipers (14) through two high-pressure pipes, the brake motor (18) is installed on the brake pump (17), an output shaft of the brake motor (18) is in transmission connection with an input shaft of the brake pump (17), the oil pot (19) is installed on the brake pump (17), an oil outlet of the oil pot (19) is communicated with an input port of the brake pump (17), the switch (20) is installed on the brake pump (17), the switch (20) is electrically connected with the brake motor (18) and the water pump (6), the deflector rod (21) is arranged on the switch (20), and an upper end of the deflector rod (21) extends out of the rear end of the deflector rod (3).